Merge commit 'upstream/3.1.5'

1 files changed, 6069 insertions, 1694 deletions

diff --git a/src/scanner.c b/src/scanner.c
index ff8a994..e7e83cc 100644
--- a/src/scanner.c
+++ b/src/scanner.c
@@ -1,1714 +1,6089 @@
+/* scanner.c generated by valac 0.13.1, the Vala compiler
+ * generated from scanner.vala, do not modify */
+
 /*
- * Copyright (C) 2009 Canonical Ltd.
+ * Copyright (C) 2009-2011 Canonical Ltd.
  * Author: Robert Ancell <robert.ancell@canonical.com>
- * 
+ *
  * This program is free software: you can redistribute it and/or modify it under
  * the terms of the GNU General Public License as published by the Free Software
  * Foundation, either version 3 of the License, or (at your option) any later
  * version. See http://www.gnu.org/copyleft/gpl.html the full text of the
  * license.
  */
+/* TODO: Could indicate the start of the next page immediately after the last page is received (i.e. before the sane_cancel()) */
 
+#include <glib.h>
+#include <glib-object.h>
 #include <stdlib.h>
 #include <string.h>
+#include <float.h>
 #include <math.h>
 #include <sane/sane.h>
+#include <glib/gi18n-lib.h>
 #include <sane/saneopts.h>
-#include <glib/gi18n.h>
+#include <gobject/gvaluecollector.h>
+
+
+#define TYPE_SCAN_DEVICE (scan_device_get_type ())
+#define SCAN_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_SCAN_DEVICE, ScanDevice))
+#define SCAN_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_SCAN_DEVICE, ScanDeviceClass))
+#define IS_SCAN_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_SCAN_DEVICE))
+#define IS_SCAN_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_SCAN_DEVICE))
+#define SCAN_DEVICE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_SCAN_DEVICE, ScanDeviceClass))
+
+typedef struct _ScanDevice ScanDevice;
+typedef struct _ScanDeviceClass ScanDeviceClass;
+typedef struct _ScanDevicePrivate ScanDevicePrivate;
+#define _g_free0(var) (var = (g_free (var), NULL))
+typedef struct _ParamSpecScanDevice ParamSpecScanDevice;
+
+#define TYPE_SCAN_PAGE_INFO (scan_page_info_get_type ())
+#define SCAN_PAGE_INFO(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_SCAN_PAGE_INFO, ScanPageInfo))
+#define SCAN_PAGE_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_SCAN_PAGE_INFO, ScanPageInfoClass))
+#define IS_SCAN_PAGE_INFO(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_SCAN_PAGE_INFO))
+#define IS_SCAN_PAGE_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_SCAN_PAGE_INFO))
+#define SCAN_PAGE_INFO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_SCAN_PAGE_INFO, ScanPageInfoClass))
+
+typedef struct _ScanPageInfo ScanPageInfo;
+typedef struct _ScanPageInfoClass ScanPageInfoClass;
+typedef struct _ScanPageInfoPrivate ScanPageInfoPrivate;
+typedef struct _ParamSpecScanPageInfo ParamSpecScanPageInfo;
+
+#define TYPE_SCAN_LINE (scan_line_get_type ())
+#define SCAN_LINE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_SCAN_LINE, ScanLine))
+#define SCAN_LINE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_SCAN_LINE, ScanLineClass))
+#define IS_SCAN_LINE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_SCAN_LINE))
+#define IS_SCAN_LINE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_SCAN_LINE))
+#define SCAN_LINE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_SCAN_LINE, ScanLineClass))
+
+typedef struct _ScanLine ScanLine;
+typedef struct _ScanLineClass ScanLineClass;
+typedef struct _ScanLinePrivate ScanLinePrivate;
+typedef struct _ParamSpecScanLine ParamSpecScanLine;
+
+#define TYPE_SCAN_MODE (scan_mode_get_type ())
+
+#define TYPE_SCAN_TYPE (scan_type_get_type ())
+
+#define TYPE_SCAN_OPTIONS (scan_options_get_type ())
+#define SCAN_OPTIONS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_SCAN_OPTIONS, ScanOptions))
+#define SCAN_OPTIONS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_SCAN_OPTIONS, ScanOptionsClass))
+#define IS_SCAN_OPTIONS(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_SCAN_OPTIONS))
+#define IS_SCAN_OPTIONS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_SCAN_OPTIONS))
+#define SCAN_OPTIONS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_SCAN_OPTIONS, ScanOptionsClass))
+
+typedef struct _ScanOptions ScanOptions;
+typedef struct _ScanOptionsClass ScanOptionsClass;
+typedef struct _ScanOptionsPrivate ScanOptionsPrivate;
+typedef struct _ParamSpecScanOptions ParamSpecScanOptions;
+
+#define TYPE_SCAN_JOB (scan_job_get_type ())
+#define SCAN_JOB(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_SCAN_JOB, ScanJob))
+#define SCAN_JOB_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_SCAN_JOB, ScanJobClass))
+#define IS_SCAN_JOB(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_SCAN_JOB))
+#define IS_SCAN_JOB_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_SCAN_JOB))
+#define SCAN_JOB_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_SCAN_JOB, ScanJobClass))
+
+typedef struct _ScanJob ScanJob;
+typedef struct _ScanJobClass ScanJobClass;
+typedef struct _ScanJobPrivate ScanJobPrivate;
+typedef struct _ParamSpecScanJob ParamSpecScanJob;
+
+#define TYPE_REQUEST (request_get_type ())
+#define REQUEST(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_REQUEST, Request))
+#define REQUEST_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_REQUEST, RequestClass))
+#define IS_REQUEST(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_REQUEST))
+#define IS_REQUEST_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_REQUEST))
+#define REQUEST_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_REQUEST, RequestClass))
+
+typedef struct _Request Request;
+typedef struct _RequestClass RequestClass;
+typedef struct _RequestPrivate RequestPrivate;
+typedef struct _ParamSpecRequest ParamSpecRequest;
+
+#define TYPE_REQUEST_REDETECT (request_redetect_get_type ())
+#define REQUEST_REDETECT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_REQUEST_REDETECT, RequestRedetect))
+#define REQUEST_REDETECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_REQUEST_REDETECT, RequestRedetectClass))
+#define IS_REQUEST_REDETECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_REQUEST_REDETECT))
+#define IS_REQUEST_REDETECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_REQUEST_REDETECT))
+#define REQUEST_REDETECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_REQUEST_REDETECT, RequestRedetectClass))
+
+typedef struct _RequestRedetect RequestRedetect;
+typedef struct _RequestRedetectClass RequestRedetectClass;
+typedef struct _RequestRedetectPrivate RequestRedetectPrivate;
+
+#define TYPE_REQUEST_CANCEL (request_cancel_get_type ())
+#define REQUEST_CANCEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_REQUEST_CANCEL, RequestCancel))
+#define REQUEST_CANCEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_REQUEST_CANCEL, RequestCancelClass))
+#define IS_REQUEST_CANCEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_REQUEST_CANCEL))
+#define IS_REQUEST_CANCEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_REQUEST_CANCEL))
+#define REQUEST_CANCEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_REQUEST_CANCEL, RequestCancelClass))
+
+typedef struct _RequestCancel RequestCancel;
+typedef struct _RequestCancelClass RequestCancelClass;
+typedef struct _RequestCancelPrivate RequestCancelPrivate;
+
+#define TYPE_REQUEST_START_SCAN (request_start_scan_get_type ())
+#define REQUEST_START_SCAN(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_REQUEST_START_SCAN, RequestStartScan))
+#define REQUEST_START_SCAN_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_REQUEST_START_SCAN, RequestStartScanClass))
+#define IS_REQUEST_START_SCAN(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_REQUEST_START_SCAN))
+#define IS_REQUEST_START_SCAN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_REQUEST_START_SCAN))
+#define REQUEST_START_SCAN_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_REQUEST_START_SCAN, RequestStartScanClass))
+
+typedef struct _RequestStartScan RequestStartScan;
+typedef struct _RequestStartScanClass RequestStartScanClass;
+typedef struct _RequestStartScanPrivate RequestStartScanPrivate;
+#define _scan_job_unref0(var) ((var == NULL) ? NULL : (var = (scan_job_unref (var), NULL)))
+
+#define TYPE_REQUEST_QUIT (request_quit_get_type ())
+#define REQUEST_QUIT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_REQUEST_QUIT, RequestQuit))
+#define REQUEST_QUIT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_REQUEST_QUIT, RequestQuitClass))
+#define IS_REQUEST_QUIT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_REQUEST_QUIT))
+#define IS_REQUEST_QUIT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_REQUEST_QUIT))
+#define REQUEST_QUIT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_REQUEST_QUIT, RequestQuitClass))
+
+typedef struct _RequestQuit RequestQuit;
+typedef struct _RequestQuitClass RequestQuitClass;
+typedef struct _RequestQuitPrivate RequestQuitPrivate;
+
+#define TYPE_CREDENTIALS (credentials_get_type ())
+#define CREDENTIALS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_CREDENTIALS, Credentials))
+#define CREDENTIALS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_CREDENTIALS, CredentialsClass))
+#define IS_CREDENTIALS(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_CREDENTIALS))
+#define IS_CREDENTIALS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_CREDENTIALS))
+#define CREDENTIALS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_CREDENTIALS, CredentialsClass))
+
+typedef struct _Credentials Credentials;
+typedef struct _CredentialsClass CredentialsClass;
+typedef struct _CredentialsPrivate CredentialsPrivate;
+typedef struct _ParamSpecCredentials ParamSpecCredentials;
+
+#define TYPE_SCAN_STATE (scan_state_get_type ())
+
+#define TYPE_NOTIFY (notify_get_type ())
+#define NOTIFY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_NOTIFY, Notify))
+#define NOTIFY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_NOTIFY, NotifyClass))
+#define IS_NOTIFY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_NOTIFY))
+#define IS_NOTIFY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_NOTIFY))
+#define NOTIFY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_NOTIFY, NotifyClass))
+
+typedef struct _Notify Notify;
+typedef struct _NotifyClass NotifyClass;
+typedef struct _NotifyPrivate NotifyPrivate;
+
+#define TYPE_SCANNER (scanner_get_type ())
+#define SCANNER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_SCANNER, Scanner))
+#define SCANNER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_SCANNER, ScannerClass))
+#define IS_SCANNER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_SCANNER))
+#define IS_SCANNER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_SCANNER))
+#define SCANNER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_SCANNER, ScannerClass))
+
+typedef struct _Scanner Scanner;
+typedef struct _ScannerClass ScannerClass;
+typedef struct _ParamSpecNotify ParamSpecNotify;
+
+#define TYPE_NOTIFY_SCANNING_CHANGED (notify_scanning_changed_get_type ())
+#define NOTIFY_SCANNING_CHANGED(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_NOTIFY_SCANNING_CHANGED, NotifyScanningChanged))
+#define NOTIFY_SCANNING_CHANGED_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_NOTIFY_SCANNING_CHANGED, NotifyScanningChangedClass))
+#define IS_NOTIFY_SCANNING_CHANGED(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_NOTIFY_SCANNING_CHANGED))
+#define IS_NOTIFY_SCANNING_CHANGED_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_NOTIFY_SCANNING_CHANGED))
+#define NOTIFY_SCANNING_CHANGED_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_NOTIFY_SCANNING_CHANGED, NotifyScanningChangedClass))
+
+typedef struct _NotifyScanningChanged NotifyScanningChanged;
+typedef struct _NotifyScanningChangedClass NotifyScanningChangedClass;
+typedef struct _NotifyScanningChangedPrivate NotifyScanningChangedPrivate;
+
+#define TYPE_NOTIFY_UPDATE_DEVICES (notify_update_devices_get_type ())
+#define NOTIFY_UPDATE_DEVICES(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_NOTIFY_UPDATE_DEVICES, NotifyUpdateDevices))
+#define NOTIFY_UPDATE_DEVICES_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_NOTIFY_UPDATE_DEVICES, NotifyUpdateDevicesClass))
+#define IS_NOTIFY_UPDATE_DEVICES(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_NOTIFY_UPDATE_DEVICES))
+#define IS_NOTIFY_UPDATE_DEVICES_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_NOTIFY_UPDATE_DEVICES))
+#define NOTIFY_UPDATE_DEVICES_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_NOTIFY_UPDATE_DEVICES, NotifyUpdateDevicesClass))
+
+typedef struct _NotifyUpdateDevices NotifyUpdateDevices;
+typedef struct _NotifyUpdateDevicesClass NotifyUpdateDevicesClass;
+typedef struct _NotifyUpdateDevicesPrivate NotifyUpdateDevicesPrivate;
+#define __g_list_free__scan_device_unref0_0(var) ((var == NULL) ? NULL : (var = (_g_list_free__scan_device_unref0_ (var), NULL)))
+
+#define TYPE_NOTIFY_REQUEST_AUTHORIZATION (notify_request_authorization_get_type ())
+#define NOTIFY_REQUEST_AUTHORIZATION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_NOTIFY_REQUEST_AUTHORIZATION, NotifyRequestAuthorization))
+#define NOTIFY_REQUEST_AUTHORIZATION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_NOTIFY_REQUEST_AUTHORIZATION, NotifyRequestAuthorizationClass))
+#define IS_NOTIFY_REQUEST_AUTHORIZATION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_NOTIFY_REQUEST_AUTHORIZATION))
+#define IS_NOTIFY_REQUEST_AUTHORIZATION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_NOTIFY_REQUEST_AUTHORIZATION))
+#define NOTIFY_REQUEST_AUTHORIZATION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_NOTIFY_REQUEST_AUTHORIZATION, NotifyRequestAuthorizationClass))
+
+typedef struct _NotifyRequestAuthorization NotifyRequestAuthorization;
+typedef struct _NotifyRequestAuthorizationClass NotifyRequestAuthorizationClass;
+typedef struct _NotifyRequestAuthorizationPrivate NotifyRequestAuthorizationPrivate;
+
+#define TYPE_NOTIFY_SCAN_FAILED (notify_scan_failed_get_type ())
+#define NOTIFY_SCAN_FAILED(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_NOTIFY_SCAN_FAILED, NotifyScanFailed))
+#define NOTIFY_SCAN_FAILED_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_NOTIFY_SCAN_FAILED, NotifyScanFailedClass))
+#define IS_NOTIFY_SCAN_FAILED(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_NOTIFY_SCAN_FAILED))
+#define IS_NOTIFY_SCAN_FAILED_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_NOTIFY_SCAN_FAILED))
+#define NOTIFY_SCAN_FAILED_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_NOTIFY_SCAN_FAILED, NotifyScanFailedClass))
+
+typedef struct _NotifyScanFailed NotifyScanFailed;
+typedef struct _NotifyScanFailedClass NotifyScanFailedClass;
+typedef struct _NotifyScanFailedPrivate NotifyScanFailedPrivate;
+
+#define TYPE_NOTIFY_DOCUMENT_DONE (notify_document_done_get_type ())
+#define NOTIFY_DOCUMENT_DONE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_NOTIFY_DOCUMENT_DONE, NotifyDocumentDone))
+#define NOTIFY_DOCUMENT_DONE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_NOTIFY_DOCUMENT_DONE, NotifyDocumentDoneClass))
+#define IS_NOTIFY_DOCUMENT_DONE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_NOTIFY_DOCUMENT_DONE))
+#define IS_NOTIFY_DOCUMENT_DONE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_NOTIFY_DOCUMENT_DONE))
+#define NOTIFY_DOCUMENT_DONE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_NOTIFY_DOCUMENT_DONE, NotifyDocumentDoneClass))
+
+typedef struct _NotifyDocumentDone NotifyDocumentDone;
+typedef struct _NotifyDocumentDoneClass NotifyDocumentDoneClass;
+typedef struct _NotifyDocumentDonePrivate NotifyDocumentDonePrivate;
+
+#define TYPE_NOTIFY_EXPECT_PAGE (notify_expect_page_get_type ())
+#define NOTIFY_EXPECT_PAGE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_NOTIFY_EXPECT_PAGE, NotifyExpectPage))
+#define NOTIFY_EXPECT_PAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_NOTIFY_EXPECT_PAGE, NotifyExpectPageClass))
+#define IS_NOTIFY_EXPECT_PAGE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_NOTIFY_EXPECT_PAGE))
+#define IS_NOTIFY_EXPECT_PAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_NOTIFY_EXPECT_PAGE))
+#define NOTIFY_EXPECT_PAGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_NOTIFY_EXPECT_PAGE, NotifyExpectPageClass))
+
+typedef struct _NotifyExpectPage NotifyExpectPage;
+typedef struct _NotifyExpectPageClass NotifyExpectPageClass;
+typedef struct _NotifyExpectPagePrivate NotifyExpectPagePrivate;
+
+#define TYPE_NOTIFY_GOT_PAGE_INFO (notify_got_page_info_get_type ())
+#define NOTIFY_GOT_PAGE_INFO(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_NOTIFY_GOT_PAGE_INFO, NotifyGotPageInfo))
+#define NOTIFY_GOT_PAGE_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_NOTIFY_GOT_PAGE_INFO, NotifyGotPageInfoClass))
+#define IS_NOTIFY_GOT_PAGE_INFO(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_NOTIFY_GOT_PAGE_INFO))
+#define IS_NOTIFY_GOT_PAGE_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_NOTIFY_GOT_PAGE_INFO))
+#define NOTIFY_GOT_PAGE_INFO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_NOTIFY_GOT_PAGE_INFO, NotifyGotPageInfoClass))
+
+typedef struct _NotifyGotPageInfo NotifyGotPageInfo;
+typedef struct _NotifyGotPageInfoClass NotifyGotPageInfoClass;
+typedef struct _NotifyGotPageInfoPrivate NotifyGotPageInfoPrivate;
+#define _scan_page_info_unref0(var) ((var == NULL) ? NULL : (var = (scan_page_info_unref (var), NULL)))
+
+#define TYPE_NOTIFY_PAGE_DONE (notify_page_done_get_type ())
+#define NOTIFY_PAGE_DONE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_NOTIFY_PAGE_DONE, NotifyPageDone))
+#define NOTIFY_PAGE_DONE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_NOTIFY_PAGE_DONE, NotifyPageDoneClass))
+#define IS_NOTIFY_PAGE_DONE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_NOTIFY_PAGE_DONE))
+#define IS_NOTIFY_PAGE_DONE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_NOTIFY_PAGE_DONE))
+#define NOTIFY_PAGE_DONE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_NOTIFY_PAGE_DONE, NotifyPageDoneClass))
+
+typedef struct _NotifyPageDone NotifyPageDone;
+typedef struct _NotifyPageDoneClass NotifyPageDoneClass;
+typedef struct _NotifyPageDonePrivate NotifyPageDonePrivate;
+
+#define TYPE_NOTIFY_GOT_LINE (notify_got_line_get_type ())
+#define NOTIFY_GOT_LINE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_NOTIFY_GOT_LINE, NotifyGotLine))
+#define NOTIFY_GOT_LINE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_NOTIFY_GOT_LINE, NotifyGotLineClass))
+#define IS_NOTIFY_GOT_LINE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_NOTIFY_GOT_LINE))
+#define IS_NOTIFY_GOT_LINE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_NOTIFY_GOT_LINE))
+#define NOTIFY_GOT_LINE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_NOTIFY_GOT_LINE, NotifyGotLineClass))
+
+typedef struct _NotifyGotLine NotifyGotLine;
+typedef struct _NotifyGotLineClass NotifyGotLineClass;
+typedef struct _NotifyGotLinePrivate NotifyGotLinePrivate;
+#define _scan_line_unref0(var) ((var == NULL) ? NULL : (var = (scan_line_unref (var), NULL)))
+typedef struct _ScannerPrivate ScannerPrivate;
+#define _g_async_queue_unref0(var) ((var == NULL) ? NULL : (var = (g_async_queue_unref (var), NULL)))
+#define __g_list_free__scan_job_unref0_0(var) ((var == NULL) ? NULL : (var = (_g_list_free__scan_job_unref0_ (var), NULL)))
+#define _scanner_unref0(var) ((var == NULL) ? NULL : (var = (scanner_unref (var), NULL)))
+#define _notify_unref0(var) ((var == NULL) ? NULL : (var = (notify_unref (var), NULL)))
+#define _g_regex_unref0(var) ((var == NULL) ? NULL : (var = (g_regex_unref (var), NULL)))
+#define _g_error_free0(var) ((var == NULL) ? NULL : (var = (g_error_free (var), NULL)))
+#define _scan_device_unref0(var) ((var == NULL) ? NULL : (var = (scan_device_unref (var), NULL)))
+#define _credentials_unref0(var) ((var == NULL) ? NULL : (var = (credentials_unref (var), NULL)))
+#define _request_unref0(var) ((var == NULL) ? NULL : (var = (request_unref (var), NULL)))
+typedef struct _ParamSpecScanner ParamSpecScanner;
+
+struct _ScanDevice {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	ScanDevicePrivate * priv;
+	gchar* name;
+	gchar* label;
+};
 
-#include "scanner.h"
+struct _ScanDeviceClass {
+	GTypeClass parent_class;
+	void (*finalize) (ScanDevice *self);
+};
 
-/* TODO: Could indicate the start of the next page immediately after the last page is received (i.e. before the sane_cancel()) */
+struct _ParamSpecScanDevice {
+	GParamSpec parent_instance;
+};
+
+struct _ScanPageInfo {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	ScanPageInfoPrivate * priv;
+	gint width;
+	gint height;
+	gint depth;
+	gint n_channels;
+	gdouble dpi;
+	gchar* device;
+};
+
+struct _ScanPageInfoClass {
+	GTypeClass parent_class;
+	void (*finalize) (ScanPageInfo *self);
+};
+
+struct _ParamSpecScanPageInfo {
+	GParamSpec parent_instance;
+};
+
+struct _ScanLine {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	ScanLinePrivate * priv;
+	gint number;
+	gint n_lines;
+	gint width;
+	gint depth;
+	gint channel;
+	guchar* data;
+	gint data_length1;
+	gint data_length;
+};
+
+struct _ScanLineClass {
+	GTypeClass parent_class;
+	void (*finalize) (ScanLine *self);
+};
+
+struct _ParamSpecScanLine {
+	GParamSpec parent_instance;
+};
+
+typedef enum  {
+	SCAN_MODE_DEFAULT,
+	SCAN_MODE_COLOR,
+	SCAN_MODE_GRAY,
+	SCAN_MODE_LINEART
+} ScanMode;
+
+typedef enum  {
+	SCAN_TYPE_SINGLE,
+	SCAN_TYPE_ADF_FRONT,
+	SCAN_TYPE_ADF_BACK,
+	SCAN_TYPE_ADF_BOTH
+} ScanType;
+
+struct _ScanOptions {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	ScanOptionsPrivate * priv;
+	gint dpi;
+	ScanMode scan_mode;
+	gint depth;
+	ScanType type;
+	gint paper_width;
+	gint paper_height;
+};
+
+struct _ScanOptionsClass {
+	GTypeClass parent_class;
+	void (*finalize) (ScanOptions *self);
+};
+
+struct _ParamSpecScanOptions {
+	GParamSpec parent_instance;
+};
+
+struct _ScanJob {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	ScanJobPrivate * priv;
+	gchar* device;
+	gdouble dpi;
+	ScanMode scan_mode;
+	gint depth;
+	ScanType type;
+	gint page_width;
+	gint page_height;
+};
+
+struct _ScanJobClass {
+	GTypeClass parent_class;
+	void (*finalize) (ScanJob *self);
+};
+
+struct _ParamSpecScanJob {
+	GParamSpec parent_instance;
+};
+
+struct _Request {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	RequestPrivate * priv;
+};
+
+struct _RequestClass {
+	GTypeClass parent_class;
+	void (*finalize) (Request *self);
+};
 
-enum {
-    UPDATE_DEVICES,
-    AUTHORIZE,
-    EXPECT_PAGE,
-    GOT_PAGE_INFO,
-    GOT_LINE,
-    SCAN_FAILED,
-    PAGE_DONE,
-    DOCUMENT_DONE,
-    SCANNING_CHANGED,
-    LAST_SIGNAL
-};
-static guint signals[LAST_SIGNAL] = { 0, };
-
-typedef struct
-{
-    Scanner *instance;
-    guint sig;
-    gpointer data;
-} SignalInfo;
-
-typedef struct
-{
-    gchar *device;
-    gdouble dpi;
-    ScanMode scan_mode;
-    gint depth;
-    gboolean type;
-    gint page_width, page_height;
-} ScanJob;
-
-typedef struct
-{
-    enum
-    {
-       REQUEST_CANCEL,
-       REQUEST_REDETECT,
-       REQUEST_START_SCAN,
-       REQUEST_QUIT
-    } type;
-    ScanJob *job;
-} ScanRequest;
-
-typedef struct
-{
-    gchar *username, *password;
-} Credentials;
-
-typedef enum
-{
-    STATE_IDLE = 0,
-    STATE_REDETECT,
-    STATE_OPEN,
-    STATE_GET_OPTION,
-    STATE_START,
-    STATE_GET_PARAMETERS,
-    STATE_READ
+struct _ParamSpecRequest {
+	GParamSpec parent_instance;
+};
+
+struct _RequestRedetect {
+	Request parent_instance;
+	RequestRedetectPrivate * priv;
+};
+
+struct _RequestRedetectClass {
+	RequestClass parent_class;
+};
+
+struct _RequestCancel {
+	Request parent_instance;
+	RequestCancelPrivate * priv;
+};
+
+struct _RequestCancelClass {
+	RequestClass parent_class;
+};
+
+struct _RequestStartScan {
+	Request parent_instance;
+	RequestStartScanPrivate * priv;
+	ScanJob* job;
+};
+
+struct _RequestStartScanClass {
+	RequestClass parent_class;
+};
+
+struct _RequestQuit {
+	Request parent_instance;
+	RequestQuitPrivate * priv;
+};
+
+struct _RequestQuitClass {
+	RequestClass parent_class;
+};
+
+struct _Credentials {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	CredentialsPrivate * priv;
+	gchar* username;
+	gchar* password;
+};
+
+struct _CredentialsClass {
+	GTypeClass parent_class;
+	void (*finalize) (Credentials *self);
+};
+
+struct _ParamSpecCredentials {
+	GParamSpec parent_instance;
+};
+
+typedef enum  {
+	SCAN_STATE_IDLE = 0,
+	SCAN_STATE_REDETECT,
+	SCAN_STATE_OPEN,
+	SCAN_STATE_GET_OPTION,
+	SCAN_STATE_START,
+	SCAN_STATE_GET_PARAMETERS,
+	SCAN_STATE_READ
 } ScanState;
 
-struct ScannerPrivate
-{
-    GAsyncQueue *scan_queue, *authorize_queue;
-    GThread *thread;
-
-    gchar *default_device;
-
-    ScanState state;
-    gboolean redetect;
-  
-    GList *job_queue;
-
-    /* Handle to SANE device */
-    SANE_Handle handle;
-    gchar *current_device;
-  
-    SANE_Parameters parameters;
-
-    /* Last option read */
-    SANE_Int option_index;
-  
-    /* Option index for scan area */
-    SANE_Int br_x_option_index, br_y_option_index;
-
-    /* Buffer for received line */
-    SANE_Byte *buffer;
-    SANE_Int buffer_size, n_used;
-
-    SANE_Int bytes_remaining, line_count, pass_number, page_number, notified_page;
-
-    gboolean scanning;
-};
-
-G_DEFINE_TYPE (Scanner, scanner, G_TYPE_OBJECT);
-
-
-/* Table of scanner objects for each thread (required for authorization callback) */
-static GHashTable *scanners;
-
-
-static gboolean
-send_signal (SignalInfo *info)
-{
-    g_signal_emit (info->instance, signals[info->sig], 0, info->data);
-
-    switch (info->sig) {
-    case UPDATE_DEVICES:
-        {
-            GList *iter, *devices = info->data;
-            for (iter = devices; iter; iter = iter->next) {
-                ScanDevice *device = iter->data;
-                g_free (device->name);
-                g_free (device->label);
-                g_free (device);
-            }
-            g_list_free (devices);
-        }
-        break;
-    case AUTHORIZE:
-        {
-            gchar *resource = info->data;
-            g_free (resource);
-        }
-        break;
-    case GOT_PAGE_INFO:
-        {
-            ScanPageInfo *page_info = info->data;
-            g_free (page_info);
-        }
-        break;
-    case GOT_LINE:
-        {
-            ScanLine *line = info->data;
-            g_free(line->data);
-            g_free(line);
-        }
-        break;
-    case SCAN_FAILED:
-        {
-            GError *error = info->data;
-            g_error_free (error);
-        }
-        break;
-    default:
-    case EXPECT_PAGE:
-    case PAGE_DONE:
-    case DOCUMENT_DONE:
-    case LAST_SIGNAL:
-        g_assert (info->data == NULL);
-        break;
-    }
-    g_free (info);
-
-    return FALSE;
-}
-
-
-/* Emit signals in main loop */
-static void
-emit_signal (Scanner *scanner, guint sig, gpointer data)
-{
-    SignalInfo *info;
-    
-    info = g_malloc(sizeof(SignalInfo));
-    info->instance = scanner;
-    info->sig = sig;
-    info->data = data;
-    g_idle_add ((GSourceFunc) send_signal, info);
-}
-
-
-static void
-set_scanning (Scanner *scanner, gboolean is_scanning)
-{
-    if ((scanner->priv->scanning && !is_scanning) || (!scanner->priv->scanning && is_scanning)) {
-        scanner->priv->scanning = is_scanning;
-        emit_signal (scanner, SCANNING_CHANGED, NULL);
-    }
-}
-
-
-static gint
-get_device_weight (const gchar *device)
-{
-    /* NOTE: This is using trends in the naming of SANE devices, SANE should be able to provide this information better */
-  
-    /* Use webcams as a last resort */
-    if (g_str_has_prefix (device, "vfl:"))
-       return 2;
-
-    /* Use locally connected devices first */
-    if (strstr (device, "usb"))
-       return 0;
-
-    return 1;
-}
-
-
-static gint
-compare_devices (ScanDevice *device1, ScanDevice *device2)
-{
-    gint weight1, weight2;
-  
-    /* TODO: Should do some fuzzy matching on the last selected device and set that to the default */
-
-    weight1 = get_device_weight (device1->name);
-    weight2 = get_device_weight (device2->name);
-    if (weight1 != weight2)
-        return weight1 - weight2;
-   
-    return strcmp (device1->label, device2->label);
-}
-
-
-static const char *
-get_status_string (SANE_Status status)
-{
-    struct {
-        SANE_Status status;
-        const char *name;
-    } status_names[] = {
-        { SANE_STATUS_GOOD,          "SANE_STATUS_GOOD"},
-        { SANE_STATUS_UNSUPPORTED,   "SANE_STATUS_UNSUPPORTED"},
-        { SANE_STATUS_CANCELLED,     "SANE_STATUS_CANCELLED"},
-        { SANE_STATUS_DEVICE_BUSY,   "SANE_STATUS_DEVICE_BUSY"},
-        { SANE_STATUS_INVAL,         "SANE_STATUS_INVAL"},
-        { SANE_STATUS_EOF,           "SANE_STATUS_EOF"},
-        { SANE_STATUS_JAMMED,        "SANE_STATUS_JAMMED"},
-        { SANE_STATUS_NO_DOCS,       "SANE_STATUS_NO_DOCS"},
-        { SANE_STATUS_COVER_OPEN,    "SANE_STATUS_COVER_OPEN"},
-        { SANE_STATUS_IO_ERROR,      "SANE_STATUS_IO_ERROR"},
-        { SANE_STATUS_NO_MEM,        "SANE_STATUS_NO_MEM"},
-        { SANE_STATUS_ACCESS_DENIED, "SANE_STATUS_ACCESS_DENIED"},
-        { -1,                        NULL}
-    };
-    static char *unknown_string = NULL;
-    int i;
-
-    for (i = 0; status_names[i].name != NULL && status_names[i].status != status; i++);
-
-    if (status_names[i].name == NULL) {
-        g_free (unknown_string);
-        unknown_string = g_strdup_printf ("SANE_STATUS(%d)", status);
-        return unknown_string; /* Note result is undefined on second call to this function */
-    }
-  
-    return status_names[i].name;
-}
-
-
-static const char *
-get_action_string (SANE_Action action)
-{
-    struct {
-        SANE_Action action;
-        const char *name;
-    } action_names[] = {
-        { SANE_ACTION_GET_VALUE, "SANE_ACTION_GET_VALUE" },
-        { SANE_ACTION_SET_VALUE, "SANE_ACTION_SET_VALUE" },
-        { SANE_ACTION_SET_AUTO,  "SANE_ACTION_SET_AUTO" },
-        { -1,                    NULL}
-    };
-    static char *unknown_string = NULL;
-    int i;
-
-    for (i = 0; action_names[i].name != NULL && action_names[i].action != action; i++);
-
-    if (action_names[i].name == NULL) {
-        g_free (unknown_string);
-        unknown_string = g_strdup_printf ("SANE_ACTION(%d)", action);
-        return unknown_string; /* Note result is undefined on second call to this function */
-    }
-  
-    return action_names[i].name;
-}
-
-
-static const char *
-get_frame_string (SANE_Frame frame)
-{
-    struct {
-        SANE_Frame frame;
-        const char *name;
-    } frame_names[] = {
-        { SANE_FRAME_GRAY,  "SANE_FRAME_GRAY" },
-        { SANE_FRAME_RGB,   "SANE_FRAME_RGB" },      
-        { SANE_FRAME_RED,   "SANE_FRAME_RED" },
-        { SANE_FRAME_GREEN, "SANE_FRAME_GREEN" },
-        { SANE_FRAME_BLUE,  "SANE_FRAME_BLUE" },
-        { -1,               NULL}
-    };
-    static char *unknown_string = NULL;
-    int i;
-
-    for (i = 0; frame_names[i].name != NULL && frame_names[i].frame != frame; i++);
-
-    if (frame_names[i].name == NULL) {
-        g_free (unknown_string);
-        unknown_string = g_strdup_printf ("SANE_FRAME(%d)", frame);
-        return unknown_string; /* Note result is undefined on second call to this function */
-    }
-  
-    return frame_names[i].name;
-}
-
-
-static void
-do_redetect (Scanner *scanner)
-{
-    const SANE_Device **device_list, **device_iter;
-    SANE_Status status;
-    GList *devices = NULL;
-
-    status = sane_get_devices (&device_list, SANE_FALSE);
-    g_debug ("sane_get_devices () -> %s", get_status_string (status));
-    if (status != SANE_STATUS_GOOD) {
-        g_warning ("Unable to get SANE devices: %s", sane_strstatus(status));
-        scanner->priv->state = STATE_IDLE;        
-        return;
-    }
-
-    for (device_iter = device_list; *device_iter; device_iter++) {
-        const SANE_Device *device = *device_iter;
-        ScanDevice *scan_device;
-        gchar *c, *label;
-
-        g_debug ("Device: name=\"%s\" vendor=\"%s\" model=\"%s\" type=\"%s\"",
-                 device->name, device->vendor, device->model, device->type);
-        
-        scan_device = g_malloc0 (sizeof (ScanDevice));
-
-        scan_device->name = g_strdup (device->name);
-
-        /* Abbreviate HP as it is a long string and does not match what is on the physical scanner */
-        if (strcmp (device->vendor, "Hewlett-Packard") == 0)
-            label = g_strdup_printf ("HP %s", device->model);
-        else
-            label = g_strdup_printf ("%s %s", device->vendor, device->model);
-        
-        /* Replace underscored in name */
-        for (c = label; *c; c++)
-            if (*c == '_')
-                *c = ' ';
-
-        scan_device->label = label;
-
-        devices = g_list_append (devices, scan_device);
-    }
-
-    /* Sort devices by priority */
-    devices = g_list_sort (devices, (GCompareFunc) compare_devices);
-
-    scanner->priv->redetect = FALSE;
-    scanner->priv->state = STATE_IDLE;
-
-    g_free (scanner->priv->default_device);
-    if (devices) {
-        ScanDevice *device = g_list_nth_data (devices, 0);
-        scanner->priv->default_device = g_strdup (device->name);
-    }
-    else
-        scanner->priv->default_device = NULL;
-
-    emit_signal (scanner, UPDATE_DEVICES, devices);
-}
-
-
-static gboolean
-control_option (SANE_Handle handle, const SANE_Option_Descriptor *option, SANE_Int index, SANE_Action action, void *value)
-{
-    SANE_Status status;
-    gchar *old_value;
-
-    switch (option->type) {
-    case SANE_TYPE_BOOL:
-        old_value = g_strdup_printf (*((SANE_Bool *) value) ? "SANE_TRUE" : "SANE_FALSE");
-        break;
-    case SANE_TYPE_INT:
-        old_value = g_strdup_printf ("%d", *((SANE_Int *) value));
-        break;
-    case SANE_TYPE_FIXED:
-        old_value = g_strdup_printf ("%f", SANE_UNFIX (*((SANE_Fixed *) value)));
-        break;
-    case SANE_TYPE_STRING:
-        old_value = g_strdup_printf ("\"%s\"", (char *) value);
-        break;
-    default:
-        old_value = g_strdup ("?");
-        break;
-    }
-
-    status = sane_control_option (handle, index, action, value, NULL);
-    switch (option->type) {
-    case SANE_TYPE_BOOL:
-        g_debug ("sane_control_option (%d, %s, %s) -> (%s, %s)",
-                 index, get_action_string (action),
-                 *((SANE_Bool *) value) ? "SANE_TRUE" : "SANE_FALSE",
-                 get_status_string (status),
-                 old_value);
-        break;
-    case SANE_TYPE_INT:
-        g_debug ("sane_control_option (%d, %s, %d) -> (%s, %s)",
-                 index, get_action_string (action),
-                 *((SANE_Int *) value),
-                 get_status_string (status),
-                 old_value);
-        break;
-    case SANE_TYPE_FIXED:
-        g_debug ("sane_control_option (%d, %s, %f) -> (%s, %s)",
-                 index, get_action_string (action),
-                 SANE_UNFIX (*((SANE_Fixed *) value)),
-                 get_status_string (status),
-                 old_value);
-        break;
-    case SANE_TYPE_STRING:
-        g_debug ("sane_control_option (%d, %s, \"%s\") -> (%s, %s)",
-                 index, get_action_string (action),
-                 (char *) value,
-                 get_status_string (status),
-                 old_value);
-        break;
-    default:
-        break;
-    }
-    g_free (old_value);
-
-    if (status != SANE_STATUS_GOOD)
-        g_warning ("Error setting option %s: %s", option->name, sane_strstatus(status));
-
-    return status == SANE_STATUS_GOOD;
-}
-
-
-static gboolean
-set_default_option (SANE_Handle handle, const SANE_Option_Descriptor *option, SANE_Int option_index)
-{
-    SANE_Status status;
-
-    /* Check if supports automatic option */
-    if ((option->cap & SANE_CAP_AUTOMATIC) == 0)
-        return FALSE;
-
-    status = sane_control_option (handle, option_index, SANE_ACTION_SET_AUTO, NULL, NULL);
-    g_debug ("sane_control_option (%d, SANE_ACTION_SET_AUTO) -> %s",
-             option_index, get_status_string (status));
-    if (status != SANE_STATUS_GOOD)
-        g_warning ("Error setting default option %s: %s", option->name, sane_strstatus(status));
-
-    return status == SANE_STATUS_GOOD;
-}
-
-
-static void
-set_bool_option (SANE_Handle handle, const SANE_Option_Descriptor *option, SANE_Int option_index, SANE_Bool value, SANE_Bool *result)
-{
-    SANE_Bool v = value;
-    g_return_if_fail (option->type == SANE_TYPE_BOOL);
-    control_option (handle, option, option_index, SANE_ACTION_SET_VALUE, &v);
-    if (result)
-        *result = v;
-}
-
-
-static void
-set_int_option (SANE_Handle handle, const SANE_Option_Descriptor *option, SANE_Int option_index, SANE_Int value, SANE_Int *result)
-{
-    SANE_Int v = value;
-
-    g_return_if_fail (option->type == SANE_TYPE_INT);
-
-    if (option->constraint_type == SANE_CONSTRAINT_RANGE) {
-        if (option->constraint.range->quant)
-            v *= option->constraint.range->quant;
-        if (v < option->constraint.range->min)
-            v = option->constraint.range->min;
-        if (v > option->constraint.range->max)
-            v = option->constraint.range->max;
-    }
-    else if (option->constraint_type == SANE_CONSTRAINT_WORD_LIST) {
-        int i;
-        SANE_Int distance = INT_MAX, nearest = 0;
-
-        /* Find nearest value to requested */
-        for (i = 0; i < option->constraint.word_list[0]; i++) {
-            SANE_Int x = option->constraint.word_list[i+1];
-            if (abs (x - v) < distance) {
-                distance = abs (x - v);
-                nearest = x;
-            }
-        }
-        v = nearest;
-    }
-
-    control_option (handle, option, option_index, SANE_ACTION_SET_VALUE, &v);
-    if (result)
-        *result = v;
-}
-
-
-static void
-set_fixed_option (SANE_Handle handle, const SANE_Option_Descriptor *option, SANE_Int option_index, gdouble value, gdouble *result)
-{
-    gdouble v = value;
-    SANE_Fixed v_fixed;
-
-    g_return_if_fail (option->type == SANE_TYPE_FIXED);
-
-    if (option->constraint_type == SANE_CONSTRAINT_RANGE) {
-        double min = SANE_UNFIX (option->constraint.range->min);
-        double max = SANE_UNFIX (option->constraint.range->max);
-
-        if (v < min)
-            v = min;
-        if (v > max)
-            v = max;
-    }
-    else if (option->constraint_type == SANE_CONSTRAINT_WORD_LIST) {
-        int i;
-        double distance = DBL_MAX, nearest = 0.0;
-
-        /* Find nearest value to requested */
-        for (i = 0; i < option->constraint.word_list[0]; i++) {
-            double x = SANE_UNFIX (option->constraint.word_list[i+1]);
-            if (fabs (x - v) < distance) {
-                distance = fabs (x - v);
-                nearest = x;
-            }
-        }
-        v = nearest;
-    }
-
-    v_fixed = SANE_FIX (v);
-    control_option (handle, option, option_index, SANE_ACTION_SET_VALUE, &v_fixed);
-    if (result)
-        *result = SANE_UNFIX (v_fixed);
-}
-
-
-static gboolean
-set_string_option (SANE_Handle handle, const SANE_Option_Descriptor *option, SANE_Int option_index, const char *value, char **result)
-{
-    char *string;
-    gsize value_size, size;
-    gboolean error;
-
-    g_return_val_if_fail (option->type == SANE_TYPE_STRING, FALSE);
-    
-    value_size = strlen (value) + 1;
-    size = option->size > value_size ? option->size : value_size;
-    string = g_malloc(sizeof(char) * size);
-    strcpy (string, value);
-    error = control_option (handle, option, option_index, SANE_ACTION_SET_VALUE, string);
-    if (result)
-        *result = string;
-    else
-        g_free (string);
-   
-    return error;
-}
-
-
-static gboolean
-set_constrained_string_option (SANE_Handle handle, const SANE_Option_Descriptor *option, SANE_Int option_index, const char *values[], char **result)
-{
-    gint i, j;
-
-    g_return_val_if_fail (option->type == SANE_TYPE_STRING, FALSE);  
-    g_return_val_if_fail (option->constraint_type == SANE_CONSTRAINT_STRING_LIST, FALSE);
-  
-    for (i = 0; values[i] != NULL; i++) {
-        for (j = 0; option->constraint.string_list[j]; j++) {
-            if (strcmp (values[i], option->constraint.string_list[j]) == 0)
-               break;
-        }
-
-        if (option->constraint.string_list[j] != NULL)
-            return set_string_option (handle, option, option_index, values[i], result);
-    }
-  
-    return FALSE;
-}
-
-
-static void
-log_option (SANE_Int index, const SANE_Option_Descriptor *option)
-{
-    GString *string;
-    SANE_Word i;
-    SANE_Int cap;
-    
-    string = g_string_new ("");
-
-    g_string_append_printf (string, "Option %d:", index);
-    
-    if (option->name)    
-        g_string_append_printf (string, " name='%s'", option->name);
-    
-    if (option->title)
-        g_string_append_printf (string, " title='%s'", option->title);
-
-    switch (option->type) {
-    case SANE_TYPE_BOOL:
-        g_string_append (string, " type=bool");
-        break;
-    case SANE_TYPE_INT:
-        g_string_append (string, " type=int");
-        break;
-    case SANE_TYPE_FIXED:
-        g_string_append (string, " type=fixed");        
-        break;
-    case SANE_TYPE_STRING:
-        g_string_append (string, " type=string");        
-        break;
-    case SANE_TYPE_BUTTON:
-        g_string_append (string, " type=button");        
-        break;
-    case SANE_TYPE_GROUP:
-        g_string_append (string, " type=group");
-        break;
-    default:
-        g_string_append_printf (string, " type=%d", option->type);
-        break;
-    }
-    
-    g_string_append_printf (string, " size=%d", option->size);
-
-    switch (option->unit) {
-    case SANE_UNIT_NONE:
-        break;
-    case SANE_UNIT_PIXEL:
-        g_string_append (string, " unit=pixels");
-        break;
-    case SANE_UNIT_BIT:
-        g_string_append (string, " unit=bits");
-        break;
-    case SANE_UNIT_MM:
-        g_string_append (string, " unit=mm");
-        break;
-    case SANE_UNIT_DPI:
-        g_string_append (string, " unit=dpi");
-        break;
-    case SANE_UNIT_PERCENT:
-        g_string_append (string, " unit=percent");
-        break;
-    case SANE_UNIT_MICROSECOND:
-        g_string_append (string, " unit=microseconds");
-        break;
-    default:
-        g_string_append_printf (string, " unit=%d", option->unit);
-        break;
-    }
-
-    switch (option->constraint_type) {
-    case SANE_CONSTRAINT_RANGE:
-        if (option->type == SANE_TYPE_FIXED)
-            g_string_append_printf (string, " min=%f, max=%f, quant=%d",
-                                    SANE_UNFIX (option->constraint.range->min), SANE_UNFIX (option->constraint.range->max),
-                                    option->constraint.range->quant);
-        else
-            g_string_append_printf (string, " min=%d, max=%d, quant=%d",
-                                    option->constraint.range->min, option->constraint.range->max,
-                                    option->constraint.range->quant);
-        break;
-    case SANE_CONSTRAINT_WORD_LIST:
-        g_string_append (string, " values=[");
-        for (i = 0; i < option->constraint.word_list[0]; i++) {
-            if (i != 0)
-                g_string_append (string, ", ");
-            if (option->type == SANE_TYPE_INT)
-                g_string_append_printf (string, "%d", option->constraint.word_list[i+1]);
-            else
-                g_string_append_printf (string, "%f", SANE_UNFIX (option->constraint.word_list[i+1]));
-        }
-        g_string_append (string, "]");
-        break;
-    case SANE_CONSTRAINT_STRING_LIST:
-        g_string_append (string, " values=[");
-        for (i = 0; option->constraint.string_list[i]; i++) {
-            if (i != 0)
-                g_string_append (string, ", ");
-            g_string_append_printf (string, "\"%s\"", option->constraint.string_list[i]);
-        }
-        g_string_append (string, "]");
-        break;
-    default:
-        break;
-    }
-    
-    cap = option->cap;
-    if (cap) {
-        struct {
-            SANE_Int cap;
-            const char *name;
-        } caps[] = {
-            { SANE_CAP_SOFT_SELECT,     "soft-select"},
-            { SANE_CAP_HARD_SELECT,     "hard-select"},
-            { SANE_CAP_SOFT_DETECT,     "soft-detect"},
-            { SANE_CAP_EMULATED,        "emulated"},
-            { SANE_CAP_AUTOMATIC,       "automatic"},
-            { SANE_CAP_INACTIVE,        "inactive"},
-            { SANE_CAP_ADVANCED,        "advanced"},
-            { 0,                        NULL}
-        };
-        int i, n = 0;
-        
-        g_string_append (string, " cap=");
-        for (i = 0; caps[i].cap > 0; i++) {
-            if (cap & caps[i].cap) {
-                cap &= ~caps[i].cap;
-                if (n != 0)
-                    g_string_append (string, ",");
-                g_string_append (string, caps[i].name);
-                n++;
-            }
-        }
-        /* Unknown capabilities */
-        if (cap) {
-            if (n != 0)
-                g_string_append (string, ",");
-            g_string_append_printf (string, "%x", cap);
-        }
-    }
-
-    g_debug ("%s", string->str);
-    g_string_free (string, TRUE);
-
-    if (option->desc)
-        g_debug ("  Description: %s", option->desc);
-}
-
-
-static void
-authorization_cb (SANE_String_Const resource, SANE_Char username[SANE_MAX_USERNAME_LEN], SANE_Char password[SANE_MAX_PASSWORD_LEN])
-{
-    Scanner *scanner;
-    Credentials *credentials;
-   
-    scanner = g_hash_table_lookup (scanners, g_thread_self ());
-
-    emit_signal (scanner, AUTHORIZE, g_strdup (resource));
-
-    credentials = g_async_queue_pop (scanner->priv->authorize_queue);
-    strncpy (username, credentials->username, SANE_MAX_USERNAME_LEN);
-    strncpy (password, credentials->password, SANE_MAX_PASSWORD_LEN);
-    g_free (credentials);
-}
-
-
-void
-scanner_authorize (Scanner *scanner, const gchar *username, const gchar *password)
-{
-    Credentials *credentials;
-
-    credentials = g_malloc (sizeof (Credentials));
-    credentials->username = g_strdup (username);
-    credentials->password = g_strdup (password);
-    g_async_queue_push (scanner->priv->authorize_queue, credentials);
-}
-
-
-static void
-close_device (Scanner *scanner)
-{
-    GList *iter;
-
-    if (scanner->priv->handle) {
-        sane_cancel (scanner->priv->handle);
-        g_debug ("sane_cancel ()");
-
-        sane_close (scanner->priv->handle);
-        g_debug ("sane_close ()");
-        scanner->priv->handle = NULL;
-    }
-
-    g_free (scanner->priv->buffer);
-    scanner->priv->buffer = NULL;
-
-    for (iter = scanner->priv->job_queue; iter; iter = iter->next) {
-        ScanJob *job = (ScanJob *) iter->data;
-        g_free (job->device);
-        g_free (job);
-    }
-    g_list_free (scanner->priv->job_queue);
-    scanner->priv->job_queue = NULL;
-  
-    set_scanning (scanner, FALSE);
-}
-
-static void
-fail_scan (Scanner *scanner, gint error_code, const gchar *error_string)
-{
-    close_device (scanner);
-    scanner->priv->state = STATE_IDLE;
-    emit_signal (scanner, SCAN_FAILED, g_error_new (SCANNER_TYPE, error_code, "%s", error_string));
-}
-
-
-static gboolean
-handle_requests (Scanner *scanner)
-{
-    gint request_count = 0;
-  
-    /* Redetect when idle */
-    if (scanner->priv->state == STATE_IDLE && scanner->priv->redetect)
-        scanner->priv->state = STATE_REDETECT;
-  
-    /* Process all requests */
-    while (TRUE) {
-        ScanRequest *request = NULL;
-
-        if ((scanner->priv->state == STATE_IDLE && request_count == 0) ||
-            g_async_queue_length (scanner->priv->scan_queue) > 0)
-            request = g_async_queue_pop (scanner->priv->scan_queue);
-        else
-            return TRUE;
-
-         g_debug ("Processing request");
-         request_count++;
-
-         switch (request->type) {
-         case REQUEST_REDETECT:
-             break;
-
-         case REQUEST_START_SCAN:
-             scanner->priv->job_queue = g_list_append (scanner->priv->job_queue, request->job);
-             break;
-
-         case REQUEST_CANCEL:
-             fail_scan (scanner, SANE_STATUS_CANCELLED, "Scan cancelled - do not report this error");
-             break;
-
-         case REQUEST_QUIT:
-             close_device (scanner);
-             g_free (request);
-             return FALSE;
-         }
-
-         g_free (request);
-    }
-  
-    return TRUE;
-}
-
-
-static void
-do_open (Scanner *scanner)
-{
-    SANE_Status status;
-    ScanJob *job;
-
-    job = (ScanJob *) scanner->priv->job_queue->data;
-
-    scanner->priv->line_count = 0;
-    scanner->priv->pass_number = 0;
-    scanner->priv->page_number = 0;
-    scanner->priv->notified_page = -1;
-    scanner->priv->option_index = 0;
-    scanner->priv->br_x_option_index = 0;
-    scanner->priv->br_y_option_index = 0;
-
-    if (!job->device && scanner->priv->default_device)
-        job->device = g_strdup (scanner->priv->default_device);
-
-    if (!job->device) {
-        g_warning ("No scan device available");
-        fail_scan (scanner, 0,
-                   /* Error displayed when no scanners to scan with */
-                   _("No scanners available.  Please connect a scanner."));
-        return;
-    }
- 
-    /* See if we can use the already open device */
-    if (scanner->priv->handle) {
-        if (strcmp (scanner->priv->current_device, job->device) == 0) {
-            scanner->priv->state = STATE_GET_OPTION;
-            return;
-        }
-
-        sane_close (scanner->priv->handle);
-        g_debug ("sane_close ()");
-        scanner->priv->handle = NULL;
-    }
-  
-    g_free (scanner->priv->current_device);
-    scanner->priv->current_device = NULL;
-
-    status = sane_open (job->device, &scanner->priv->handle);
-    g_debug ("sane_open (\"%s\") -> %s", job->device, get_status_string (status));
-
-    if (status != SANE_STATUS_GOOD) {
-        g_warning ("Unable to get open device: %s", sane_strstatus (status));
-        scanner->priv->handle = NULL;
-        fail_scan (scanner, status,
-                   /* Error displayed when cannot connect to scanner */
-                   _("Unable to connect to scanner"));
-        return;
-    }
-
-    scanner->priv->current_device = g_strdup (job->device);
-    scanner->priv->state = STATE_GET_OPTION;
-}
-
-
-static void
-do_get_option (Scanner *scanner)
-{
-    const SANE_Option_Descriptor *option;
-    SANE_Int option_index;
-    ScanJob *job;
-
-    job = (ScanJob *) scanner->priv->job_queue->data;  
-
-    option = sane_get_option_descriptor (scanner->priv->handle, scanner->priv->option_index);
-    g_debug ("sane_get_option_descriptor (%d)", scanner->priv->option_index);
-    option_index = scanner->priv->option_index;
-    scanner->priv->option_index++;
-
-    if (!option) {
-        /* Always use maximum scan area - some scanners default to using partial areas.  This should be patched in sane-backends */
-        if (scanner->priv->br_x_option_index) {
-            option = sane_get_option_descriptor (scanner->priv->handle, scanner->priv->br_x_option_index);
-            g_debug ("sane_get_option_descriptor (%d)", scanner->priv->br_x_option_index);
-            if (option->constraint_type == SANE_CONSTRAINT_RANGE) {
-                if (option->type == SANE_TYPE_FIXED)
-                    set_fixed_option (scanner->priv->handle, option, scanner->priv->br_x_option_index, SANE_UNFIX (option->constraint.range->max), NULL);
-                else
-                    set_int_option (scanner->priv->handle, option, scanner->priv->br_x_option_index, option->constraint.range->max, NULL);
-            }
-        }
-        if (scanner->priv->br_y_option_index) {
-            option = sane_get_option_descriptor (scanner->priv->handle, scanner->priv->br_y_option_index);
-            g_debug ("sane_get_option_descriptor (%d)", scanner->priv->br_y_option_index);
-            if (option->constraint_type == SANE_CONSTRAINT_RANGE) {
-                if (option->type == SANE_TYPE_FIXED)
-                    set_fixed_option (scanner->priv->handle, option, scanner->priv->br_y_option_index, SANE_UNFIX (option->constraint.range->max), NULL);
-                else
-                    set_int_option (scanner->priv->handle, option, scanner->priv->br_y_option_index, option->constraint.range->max, NULL);
-            }
-        }
-
-        scanner->priv->state = STATE_START;
-        return;
-    }
-
-    log_option (option_index, option);
-  
-    /* Ignore groups */
-    if (option->type == SANE_TYPE_GROUP)
-        return;
-
-    /* Option disabled */
-    if (option->cap & SANE_CAP_INACTIVE)
-        return;
-  
-    /* Some options are unnammed (e.g. Option 0) */
-    if (option->name == NULL)
-        return;
-
-    if (strcmp (option->name, SANE_NAME_SCAN_RESOLUTION) == 0) {
-        if (option->type == SANE_TYPE_FIXED) {
-            set_fixed_option (scanner->priv->handle, option, option_index, job->dpi, &job->dpi);
-        }
-        else {
-            SANE_Int dpi;
-            set_int_option (scanner->priv->handle, option, option_index, job->dpi, &dpi);
-            job->dpi = dpi;
-        }
-    }
-    else if (strcmp (option->name, SANE_NAME_SCAN_SOURCE) == 0) {
-        const char *flatbed_sources[] =
-        {
-            "Auto",
-            SANE_I18N ("Auto"),
-            "Flatbed",
-            SANE_I18N ("Flatbed"),
-            "FlatBed",
-            "Normal",
-            SANE_I18N ("Normal"),
-            NULL
-        };
-
-        const char *adf_sources[] =
-        {
-            "Automatic Document Feeder",
-            SANE_I18N ("Automatic Document Feeder"),
-            "ADF",
-            "Automatic Document Feeder(left aligned)", /* Seen in the proprietary brother3 driver */
-            "Automatic Document Feeder(centrally aligned)", /* Seen in the proprietary brother3 driver */
-            NULL
-        };
-
-        const char *adf_front_sources[] =
-        {
-            "ADF Front",
-            SANE_I18N ("ADF Front"),
-            NULL
-        };
-
-        const char *adf_back_sources[] =
-        {
-            "ADF Back",
-            SANE_I18N ("ADF Back"),
-            NULL
-        };
-
-        const char *adf_duplex_sources[] =
-        {
-            "ADF Duplex",
-            SANE_I18N ("ADF Duplex"),
-            NULL
-        };
-
-        switch (job->type) {
-        case SCAN_SINGLE:
-            if (!set_default_option (scanner->priv->handle, option, option_index))
-                if (!set_constrained_string_option (scanner->priv->handle, option, option_index, flatbed_sources, NULL))
-                    g_warning ("Unable to set single page source, please file a bug");
-            break;
-        case SCAN_ADF_FRONT:
-            if (!set_constrained_string_option (scanner->priv->handle, option, option_index, adf_front_sources, NULL))
-                if (!!set_constrained_string_option (scanner->priv->handle, option, option_index, adf_sources, NULL))                
-                    g_warning ("Unable to set front ADF source, please file a bug");
-            break;
-        case SCAN_ADF_BACK:
-            if (!set_constrained_string_option (scanner->priv->handle, option, option_index, adf_back_sources, NULL))
-                if (!set_constrained_string_option (scanner->priv->handle, option, option_index, adf_sources, NULL))
-                    g_warning ("Unable to set back ADF source, please file a bug");
-            break;
-        case SCAN_ADF_BOTH:
-            if (!set_constrained_string_option (scanner->priv->handle, option, option_index, adf_duplex_sources, NULL))
-                if (!set_constrained_string_option (scanner->priv->handle, option, option_index, adf_sources, NULL))
-                    g_warning ("Unable to set duplex ADF source, please file a bug");
-            break;
-        }
-    }
-    else if (strcmp (option->name, "duplex") == 0) {
-        if (option->type == SANE_TYPE_BOOL)
-            set_bool_option (scanner->priv->handle, option, option_index, job->type == SCAN_ADF_BOTH, NULL);
-    }
-    else if (strcmp (option->name, "batch-scan") == 0) {
-        if (option->type == SANE_TYPE_BOOL)
-            set_bool_option (scanner->priv->handle, option, option_index, job->type != SCAN_SINGLE, NULL);
-    }
-    else if (strcmp (option->name, SANE_NAME_BIT_DEPTH) == 0) {
-        if (job->depth > 0)
-            set_int_option (scanner->priv->handle, option, option_index, job->depth, NULL);
-    }
-    else if (strcmp (option->name, SANE_NAME_SCAN_MODE) == 0) {
-        /* The names of scan modes often used in drivers, as taken from the sane-backends source */
-        const char *color_scan_modes[] =
-        {
-            SANE_VALUE_SCAN_MODE_COLOR,
-            "Color",
-            "24bit Color", /* Seen in the proprietary brother3 driver */
-            NULL
-        };
-        const char *gray_scan_modes[] =
-        {
-            SANE_VALUE_SCAN_MODE_GRAY,
-            "Gray",
-            "Grayscale",
-            SANE_I18N ("Grayscale"),
-            "True Gray", /* Seen in the proprietary brother3 driver */
-            NULL
-        };
-        const char *lineart_scan_modes[] =
-        {
-            SANE_VALUE_SCAN_MODE_LINEART,
-            "Lineart",
-            "LineArt",
-            SANE_I18N ("LineArt"),
-            "Black & White",
-            SANE_I18N ("Black & White"),
-            "Binary",
-            SANE_I18N ("Binary"),
-            "Thresholded",
-            SANE_VALUE_SCAN_MODE_GRAY,
-            "Gray",
-            "Grayscale",
-            SANE_I18N ("Grayscale"),
-            "True Gray", /* Seen in the proprietary brother3 driver */
-            NULL
-        };
-            
-        switch (job->scan_mode) {
-        case SCAN_MODE_COLOR:
-            if (!set_constrained_string_option (scanner->priv->handle, option, option_index, color_scan_modes, NULL))
-                g_warning ("Unable to set Color mode, please file a bug");
-            break;
-        case SCAN_MODE_GRAY:
-            if (!set_constrained_string_option (scanner->priv->handle, option, option_index, gray_scan_modes, NULL))
-                g_warning ("Unable to set Gray mode, please file a bug");
-            break;
-        case SCAN_MODE_LINEART:
-            if (!set_constrained_string_option (scanner->priv->handle, option, option_index, lineart_scan_modes, NULL))
-                g_warning ("Unable to set Lineart mode, please file a bug");
-            break;
-        default:
-            break;
-        }
-    }
-    /* Disable compression, we will compress after scanning */
-    else if (strcmp (option->name, "compression") == 0) {
-        const char *disable_compression_names[] =
-        {
-            SANE_I18N ("None"),
-            SANE_I18N ("none"),
-            "None",
-            "none",
-            NULL
-        };
-            
-        if (!set_constrained_string_option (scanner->priv->handle, option, option_index, disable_compression_names, NULL))
-            g_warning ("Unable to disable compression, please file a bug");
-    }
-    else if (strcmp (option->name, SANE_NAME_SCAN_BR_X) == 0)
-        scanner->priv->br_x_option_index = option_index;
-    else if (strcmp (option->name, SANE_NAME_SCAN_BR_Y) == 0)
-        scanner->priv->br_y_option_index = option_index;
-    else if (strcmp (option->name, SANE_NAME_PAGE_WIDTH) == 0) {
-        if (job->page_width > 0.0) {
-            if (option->type == SANE_TYPE_FIXED)
-                set_fixed_option (scanner->priv->handle, option, option_index, job->page_width / 10.0, NULL);
-            else
-                set_int_option (scanner->priv->handle, option, option_index, job->page_width / 10, NULL);
-        }
-    }
-    else if (strcmp (option->name, SANE_NAME_PAGE_HEIGHT) == 0) {
-        if (job->page_height > 0.0) {
-            if (option->type == SANE_TYPE_FIXED)
-                set_fixed_option (scanner->priv->handle, option, option_index, job->page_height / 10.0, NULL);
-            else 
-                set_int_option (scanner->priv->handle, option, option_index, job->page_height / 10, NULL);
-        }
-    }
-
-    /* Test scanner options (hoping will not effect other scanners...) */
-    if (strcmp (scanner->priv->current_device, "test") == 0) {
-        if (strcmp (option->name, "hand-scanner") == 0) {
-            set_bool_option (scanner->priv->handle, option, option_index, FALSE, NULL);
-        }
-        else if (strcmp (option->name, "three-pass") == 0) {
-            set_bool_option (scanner->priv->handle, option, option_index, FALSE, NULL);
-        }
-        else if (strcmp (option->name, "test-picture") == 0) {
-            set_string_option (scanner->priv->handle, option, option_index, "Color pattern", NULL);
-        }
-        else if (strcmp (option->name, "read-delay") == 0) {
-            set_bool_option (scanner->priv->handle, option, option_index, TRUE, NULL);
-        }
-        else if (strcmp (option->name, "read-delay-duration") == 0) {
-            set_int_option (scanner->priv->handle, option, option_index, 200000, NULL);
-        }
-    }
-}
-
-
-static void
-do_complete_document (Scanner *scanner)
-{
-    ScanJob *job;
-
-    job = (ScanJob *) scanner->priv->job_queue->data;
-    g_free (job->device);
-    g_free (job);
-    scanner->priv->job_queue = g_list_remove_link (scanner->priv->job_queue, scanner->priv->job_queue);
-
-    scanner->priv->state = STATE_IDLE;
-  
-    /* Continue onto the next job */
-    if (scanner->priv->job_queue) {
-        scanner->priv->state = STATE_OPEN;
-        return;
-    }
-
-    /* Trigger timeout to close */
-    // TODO
-
-    emit_signal (scanner, DOCUMENT_DONE, NULL);
-    set_scanning (scanner, FALSE);
-}
-
-
-static void
-do_start (Scanner *scanner)
-{
-    SANE_Status status;
-
-    emit_signal (scanner, EXPECT_PAGE, NULL);
-
-    status = sane_start (scanner->priv->handle);
-    g_debug ("sane_start (page=%d, pass=%d) -> %s", scanner->priv->page_number, scanner->priv->pass_number, get_status_string (status));
-    if (status == SANE_STATUS_GOOD) {
-        scanner->priv->state = STATE_GET_PARAMETERS;
-    }
-    else if (status == SANE_STATUS_NO_DOCS) {
-        do_complete_document (scanner);
-    }
-    else {
-        g_warning ("Unable to start device: %s", sane_strstatus (status));
-        fail_scan (scanner, status,
-                   /* Error display when unable to start scan */
-                   _("Unable to start scan"));
-    }
-}
-
-
-static void
-do_get_parameters (Scanner *scanner)
-{
-    SANE_Status status;
-    ScanPageInfo *info;
-    ScanJob *job;
-
-    status = sane_get_parameters (scanner->priv->handle, &scanner->priv->parameters);
-    g_debug ("sane_get_parameters () -> %s", get_status_string (status));
-    if (status != SANE_STATUS_GOOD) {
-        g_warning ("Unable to get device parameters: %s", sane_strstatus (status));
-        fail_scan (scanner, status,
-                   /* Error displayed when communication with scanner broken */
-                   _("Error communicating with scanner"));
-        return;
-    }
-  
-    job = (ScanJob *) scanner->priv->job_queue->data;
-
-    g_debug ("Parameters: format=%s last_frame=%s bytes_per_line=%d pixels_per_line=%d lines=%d depth=%d",
-             get_frame_string (scanner->priv->parameters.format),
-             scanner->priv->parameters.last_frame ? "SANE_TRUE" : "SANE_FALSE",
-             scanner->priv->parameters.bytes_per_line,
-             scanner->priv->parameters.pixels_per_line,
-             scanner->priv->parameters.lines,
-             scanner->priv->parameters.depth);
-
-    info = g_malloc(sizeof(ScanPageInfo));
-    info->width = scanner->priv->parameters.pixels_per_line;
-    info->height = scanner->priv->parameters.lines;
-    info->depth = scanner->priv->parameters.depth;
-    /* Reduce bit depth if requested lower than received */
-    // FIXME: This a hack and only works on 8 bit gray to 2 bit gray
-    if (scanner->priv->parameters.depth == 8 && scanner->priv->parameters.format == SANE_FRAME_GRAY && job->depth == 2 && job->scan_mode == SCAN_MODE_GRAY)
-        info->depth = job->depth;
-    info->n_channels = scanner->priv->parameters.format == SANE_FRAME_GRAY ? 1 : 3;
-    info->dpi = job->dpi; // FIXME: This is the requested DPI, not the actual DPI
-    info->device = g_strdup (scanner->priv->current_device);
-
-    if (scanner->priv->page_number != scanner->priv->notified_page) {
-        emit_signal (scanner, GOT_PAGE_INFO, info);
-        scanner->priv->notified_page = scanner->priv->page_number;
-    }
-
-    /* Prepare for read */
-    scanner->priv->buffer_size = scanner->priv->parameters.bytes_per_line + 1; /* Use +1 so buffer is not resized if driver returns one line per read */
-    scanner->priv->buffer = g_malloc (sizeof(SANE_Byte) * scanner->priv->buffer_size);
-    scanner->priv->n_used = 0;
-    scanner->priv->line_count = 0;
-    scanner->priv->pass_number = 0;
-    scanner->priv->state = STATE_READ;
-}
-
-
-static void
-do_complete_page (Scanner *scanner)
-{
-    ScanJob *job;
-
-    emit_signal (scanner, PAGE_DONE, NULL);
-  
-    job = (ScanJob *) scanner->priv->job_queue->data;
-
-    /* If multi-pass then scan another page */
-    if (!scanner->priv->parameters.last_frame) {
-        scanner->priv->pass_number++;
-        scanner->priv->state = STATE_START;
-        return;
-    }
-
-    /* Go back for another page */
-    if (job->type != SCAN_SINGLE) {
-        scanner->priv->page_number++;
-        scanner->priv->pass_number = 0;
-        emit_signal (scanner, PAGE_DONE, NULL);
-        scanner->priv->state = STATE_START;
-        return;
-    }
-
-    sane_cancel (scanner->priv->handle);
-    g_debug ("sane_cancel ()");
-
-    do_complete_document (scanner);
-}
-
-
-static void
-do_read (Scanner *scanner)
-{
-    ScanJob *job;
-    SANE_Status status;
-    SANE_Int n_to_read, n_read;
-    gboolean full_read = FALSE;
-
-    job = (ScanJob *) scanner->priv->job_queue->data;
-
-    /* Read as many bytes as we expect */
-    n_to_read = scanner->priv->buffer_size - scanner->priv->n_used;
-
-    status = sane_read (scanner->priv->handle,
-                        scanner->priv->buffer + scanner->priv->n_used,
-                        n_to_read, &n_read);
-    g_debug ("sane_read (%d) -> (%s, %d)", n_to_read, get_status_string (status), n_read);
-
-    /* Completed read */
-    if (status == SANE_STATUS_EOF) {
-        if (scanner->priv->parameters.lines > 0 && scanner->priv->line_count != scanner->priv->parameters.lines)
-            g_warning ("Scan completed with %d lines, expected %d lines", scanner->priv->parameters.lines, scanner->priv->parameters.lines);
-        if (scanner->priv->n_used > 0)
-            g_warning ("Scan complete with %d bytes of unused data", scanner->priv->n_used);
-        do_complete_page (scanner);
-        return;
-    }
-            
-    /* Communication error */
-    if (status != SANE_STATUS_GOOD) {
-        g_warning ("Unable to read frame from device: %s", sane_strstatus (status));
-        fail_scan (scanner, status,
-                   /* Error displayed when communication with scanner broken */
-                   _("Error communicating with scanner"));
-        return;
-    }
-
-    if (scanner->priv->n_used == 0 && n_read == scanner->priv->buffer_size)
-        full_read = TRUE;
-    scanner->priv->n_used += n_read;
-  
-    /* Feed out lines */
-    if (scanner->priv->n_used >= scanner->priv->parameters.bytes_per_line) {
-        ScanLine *line;
-        int i, n_remaining;
-
-        line = g_malloc(sizeof(ScanLine));
-        switch (scanner->priv->parameters.format) {
-        case SANE_FRAME_GRAY:
-            line->channel = 0;
-            break;
-        case SANE_FRAME_RGB:
-            line->channel = -1;
-            break;
-        case SANE_FRAME_RED:
-            line->channel = 0;
-            break;
-        case SANE_FRAME_GREEN:
-            line->channel = 1;
-            break;
-        case SANE_FRAME_BLUE:
-            line->channel = 2;
-            break;
-        }
-        line->width = scanner->priv->parameters.pixels_per_line;
-        line->depth = scanner->priv->parameters.depth;
-        line->data = scanner->priv->buffer;
-        line->data_length = scanner->priv->parameters.bytes_per_line;
-        line->number = scanner->priv->line_count;
-        line->n_lines = scanner->priv->n_used / line->data_length;
-
-        scanner->priv->buffer = NULL;
-        scanner->priv->line_count += line->n_lines;
-
-        /* Increase buffer size if did full read */
-        if (full_read)
-            scanner->priv->buffer_size += scanner->priv->parameters.bytes_per_line;
-
-        scanner->priv->buffer = g_malloc(sizeof(SANE_Byte) * scanner->priv->buffer_size);
-        n_remaining = scanner->priv->n_used - (line->n_lines * line->data_length);
-        scanner->priv->n_used = 0;
-        for (i = 0; i < n_remaining; i++) {
-            scanner->priv->buffer[i] = line->data[i + (line->n_lines * line->data_length)];
-            scanner->priv->n_used++;
-        }
-
-        /* Reduce bit depth if requested lower than received */
-        // FIXME: This a hack and only works on 8 bit gray to 2 bit gray
-        if (scanner->priv->parameters.depth == 8 && scanner->priv->parameters.format == SANE_FRAME_GRAY &&
-            job->depth == 2 && job->scan_mode == SCAN_MODE_GRAY) {
-            gint block_shift = 6;
-            guchar block = 0;
-            guchar *write_ptr = line->data;
-
-            for (i = 0; i < line->n_lines; i++) {
-                guchar *in_line = line->data + i * line->data_length;
-                gint x;
-
-                for (x = 0; x < line->width; x++) {
-                     guchar *p = in_line + x;
-                     guchar sample;
-
-                     if (p[0] >= 192)
-                         sample = 3;
-                     else if (p[0] >= 128)
-                         sample = 2;
-                     else if (p[0] >= 64)
-                         sample = 1;
-                     else
-                         sample = 0;
-
-                     block |= sample << block_shift;
-                     if (block_shift == 0) {
-                         *write_ptr = block;
-                         write_ptr++;
-                         block = 0;
-                         block_shift = 6;
-                     }
-                     else {
-                         block_shift -= 2;
-                     }
-                }
-
-                /* Finish each line on a byte boundary */
-                if (block_shift != 6)  {
-                    *write_ptr = block;
-                    write_ptr++;
-                    block = 0;
-                    block_shift = 6;
-                }
-            }
-
-            line->data_length = (line->width * 2 + 7) / 8;
-        }
-
-        emit_signal (scanner, GOT_LINE, line);
-    }
-}
-
-
-static gpointer
-scan_thread (Scanner *scanner)
-{
-    SANE_Status status;
-    SANE_Int version_code;
-  
-    g_hash_table_insert (scanners, g_thread_self (), scanner);
-  
-    scanner->priv->state = STATE_IDLE;
-
-    status = sane_init (&version_code, authorization_cb);
-    g_debug ("sane_init () -> %s", get_status_string (status));
-    if (status != SANE_STATUS_GOOD) {
-        g_warning ("Unable to initialize SANE backend: %s", sane_strstatus(status));
-        return FALSE;
-    }
-    g_debug ("SANE version %d.%d.%d",
-             SANE_VERSION_MAJOR(version_code),
-             SANE_VERSION_MINOR(version_code),
-             SANE_VERSION_BUILD(version_code));
-
-    /* Scan for devices on first start */
-    scanner_redetect (scanner);
-
-    while (handle_requests (scanner)) {
-        switch (scanner->priv->state) {
-        case STATE_IDLE:
-             if (scanner->priv->job_queue) {
-                 set_scanning (scanner, TRUE);
-                 scanner->priv->state = STATE_OPEN;
-             }
-             break;
-        case STATE_REDETECT:
-            do_redetect (scanner);
-            break;
-        case STATE_OPEN:
-            do_open (scanner);
-            break;
-        case STATE_GET_OPTION:
-            do_get_option (scanner);
-            break;            
-        case STATE_START:
-            do_start (scanner);
-            break;
-        case STATE_GET_PARAMETERS:
-            do_get_parameters (scanner);
-            break;
-        case STATE_READ:
-            do_read (scanner);
-            break;
-        }
-    }
-    
-    return NULL;
-}
-
-
-Scanner *
-scanner_new ()
-{
-    return g_object_new (SCANNER_TYPE, NULL);
-}
-
-
-void
-scanner_start (Scanner *scanner)
-{
-    GError *error = NULL;
-    scanner->priv->thread = g_thread_create ((GThreadFunc) scan_thread, scanner, TRUE, &error);
-    if (error) {
-        g_critical ("Unable to create thread: %s", error->message);
-        g_error_free (error);
-    }    
-}
-
-
-void
-scanner_redetect (Scanner *scanner)
-{
-    ScanRequest *request;
-
-    if (scanner->priv->redetect)
-        return;
-    scanner->priv->redetect = TRUE;
-
-    g_debug ("Requesting redetection of scan devices");
-
-    request = g_malloc0 (sizeof (ScanRequest));
-    request->type = REQUEST_REDETECT;
-    g_async_queue_push (scanner->priv->scan_queue, request);
-}
-
-
-gboolean
-scanner_is_scanning (Scanner *scanner)
-{
-    return scanner->priv->scanning;
-}
-
-
-void
-scanner_scan (Scanner *scanner, const char *device, ScanOptions *options)
-{
-    ScanRequest *request;
-    const gchar *type_string;
-  
-    switch (options->type) {
-    case SCAN_SINGLE:
-        type_string = "SCAN_SINGLE";
-        break;
-    case SCAN_ADF_FRONT:
-        type_string = "SCAN_ADF_FRONT";
-        break;
-    case SCAN_ADF_BACK:
-        type_string = "SCAN_ADF_BACK";
-        break;
-    case SCAN_ADF_BOTH:
-        type_string = "SCAN_ADF_BOTH";
-        break;
-    default:
-        g_assert (FALSE);
-        return;
-    }
-
-    g_debug ("scanner_scan (\"%s\", %d, %s)", device ? device : "(null)", options->dpi, type_string);
-    request = g_malloc0 (sizeof (ScanRequest));
-    request->type = REQUEST_START_SCAN;
-    request->job = g_malloc0 (sizeof (ScanJob));
-    request->job->device = g_strdup (device);
-    request->job->dpi = options->dpi;
-    request->job->scan_mode = options->scan_mode;
-    request->job->depth = options->depth;
-    request->job->type = options->type;
-    request->job->page_width = options->paper_width;
-    request->job->page_height = options->paper_height;
-    g_async_queue_push (scanner->priv->scan_queue, request);
-}
-
-
-void
-scanner_cancel (Scanner *scanner)
-{
-    ScanRequest *request;
-  
-    request = g_malloc0 (sizeof (ScanRequest));
-    request->type = REQUEST_CANCEL;
-    g_async_queue_push (scanner->priv->scan_queue, request);
-}
-
-
-void scanner_free (Scanner *scanner)
-{
-    ScanRequest *request;
-
-    g_debug ("Stopping scan thread");
-
-    request = g_malloc0 (sizeof (ScanRequest));
-    request->type = REQUEST_QUIT;
-    g_async_queue_push (scanner->priv->scan_queue, request);
-
-    if (scanner->priv->thread)
-        g_thread_join (scanner->priv->thread);
-
-    g_async_queue_unref (scanner->priv->scan_queue);
-    g_object_unref (scanner);
-
-    sane_exit ();
-    g_debug ("sane_exit ()");
-}
-
-
-static void
-scanner_class_init (ScannerClass *klass)
-{
-    signals[AUTHORIZE] =
-        g_signal_new ("authorize",
-                      G_TYPE_FROM_CLASS (klass),
-                      G_SIGNAL_RUN_LAST,
-                      G_STRUCT_OFFSET (ScannerClass, authorize),
-                      NULL, NULL,
-                      g_cclosure_marshal_VOID__STRING,
-                      G_TYPE_NONE, 1, G_TYPE_STRING);
-    signals[UPDATE_DEVICES] =
-        g_signal_new ("update-devices",
-                      G_TYPE_FROM_CLASS (klass),
-                      G_SIGNAL_RUN_LAST,
-                      G_STRUCT_OFFSET (ScannerClass, update_devices),
-                      NULL, NULL,
-                      g_cclosure_marshal_VOID__POINTER,
-                      G_TYPE_NONE, 1, G_TYPE_POINTER);
-    signals[EXPECT_PAGE] =
-        g_signal_new ("expect-page",
-                      G_TYPE_FROM_CLASS (klass),
-                      G_SIGNAL_RUN_LAST,
-                      G_STRUCT_OFFSET (ScannerClass, expect_page),
-                      NULL, NULL,
-                      g_cclosure_marshal_VOID__VOID,
-                      G_TYPE_NONE, 0);
-    signals[GOT_PAGE_INFO] =
-        g_signal_new ("got-page-info",
-                      G_TYPE_FROM_CLASS (klass),
-                      G_SIGNAL_RUN_LAST,
-                      G_STRUCT_OFFSET (ScannerClass, got_page_info),
-                      NULL, NULL,
-                      g_cclosure_marshal_VOID__POINTER,
-                      G_TYPE_NONE, 1, G_TYPE_POINTER);
-    signals[GOT_LINE] =
-        g_signal_new ("got-line",
-                      G_TYPE_FROM_CLASS (klass),
-                      G_SIGNAL_RUN_LAST,
-                      G_STRUCT_OFFSET (ScannerClass, got_line),
-                      NULL, NULL,
-                      g_cclosure_marshal_VOID__POINTER,
-                      G_TYPE_NONE, 1, G_TYPE_POINTER);
-    signals[SCAN_FAILED] =
-        g_signal_new ("scan-failed",
-                      G_TYPE_FROM_CLASS (klass),
-                      G_SIGNAL_RUN_LAST,
-                      G_STRUCT_OFFSET (ScannerClass, scan_failed),
-                      NULL, NULL,
-                      g_cclosure_marshal_VOID__POINTER,
-                      G_TYPE_NONE, 1, G_TYPE_POINTER);
-    signals[PAGE_DONE] =
-        g_signal_new ("page-done",
-                      G_TYPE_FROM_CLASS (klass),
-                      G_SIGNAL_RUN_LAST,
-                      G_STRUCT_OFFSET (ScannerClass, page_done),
-                      NULL, NULL,
-                      g_cclosure_marshal_VOID__VOID,
-                      G_TYPE_NONE, 0);
-    signals[DOCUMENT_DONE] =
-        g_signal_new ("document-done",
-                      G_TYPE_FROM_CLASS (klass),
-                      G_SIGNAL_RUN_LAST,
-                      G_STRUCT_OFFSET (ScannerClass, document_done),
-                      NULL, NULL,
-                      g_cclosure_marshal_VOID__VOID,
-                      G_TYPE_NONE, 0);
-    signals[SCANNING_CHANGED] =
-        g_signal_new ("scanning-changed",
-                      G_TYPE_FROM_CLASS (klass),
-                      G_SIGNAL_RUN_LAST,
-                      G_STRUCT_OFFSET (ScannerClass, scanning_changed),
-                      NULL, NULL,
-                      g_cclosure_marshal_VOID__VOID,
-                      G_TYPE_NONE, 0);
-
-    g_type_class_add_private (klass, sizeof (ScannerPrivate));
-
-    scanners = g_hash_table_new (g_direct_hash, g_direct_equal);
-}
-
-
-static void
-scanner_init (Scanner *scanner)
-{
-    scanner->priv = G_TYPE_INSTANCE_GET_PRIVATE (scanner, SCANNER_TYPE, ScannerPrivate);
-    scanner->priv->scan_queue = g_async_queue_new ();
-    scanner->priv->authorize_queue = g_async_queue_new ();
+struct _Notify {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	NotifyPrivate * priv;
+};
+
+struct _NotifyClass {
+	GTypeClass parent_class;
+	void (*finalize) (Notify *self);
+	void (*run) (Notify* self, Scanner* scanner);
+};
+
+struct _ParamSpecNotify {
+	GParamSpec parent_instance;
+};
+
+struct _NotifyScanningChanged {
+	Notify parent_instance;
+	NotifyScanningChangedPrivate * priv;
+};
+
+struct _NotifyScanningChangedClass {
+	NotifyClass parent_class;
+};
+
+struct _NotifyUpdateDevices {
+	Notify parent_instance;
+	NotifyUpdateDevicesPrivate * priv;
+};
+
+struct _NotifyUpdateDevicesClass {
+	NotifyClass parent_class;
+};
+
+struct _NotifyUpdateDevicesPrivate {
+	GList* devices;
+};
+
+struct _NotifyRequestAuthorization {
+	Notify parent_instance;
+	NotifyRequestAuthorizationPrivate * priv;
+};
+
+struct _NotifyRequestAuthorizationClass {
+	NotifyClass parent_class;
+};
+
+struct _NotifyRequestAuthorizationPrivate {
+	gchar* resource;
+};
+
+struct _NotifyScanFailed {
+	Notify parent_instance;
+	NotifyScanFailedPrivate * priv;
+};
+
+struct _NotifyScanFailedClass {
+	NotifyClass parent_class;
+};
+
+struct _NotifyScanFailedPrivate {
+	gint error_code;
+	gchar* error_string;
+};
+
+struct _NotifyDocumentDone {
+	Notify parent_instance;
+	NotifyDocumentDonePrivate * priv;
+};
+
+struct _NotifyDocumentDoneClass {
+	NotifyClass parent_class;
+};
+
+struct _NotifyExpectPage {
+	Notify parent_instance;
+	NotifyExpectPagePrivate * priv;
+};
+
+struct _NotifyExpectPageClass {
+	NotifyClass parent_class;
+};
+
+struct _NotifyGotPageInfo {
+	Notify parent_instance;
+	NotifyGotPageInfoPrivate * priv;
+};
+
+struct _NotifyGotPageInfoClass {
+	NotifyClass parent_class;
+};
+
+struct _NotifyGotPageInfoPrivate {
+	ScanPageInfo* info;
+};
+
+struct _NotifyPageDone {
+	Notify parent_instance;
+	NotifyPageDonePrivate * priv;
+};
+
+struct _NotifyPageDoneClass {
+	NotifyClass parent_class;
+};
+
+struct _NotifyGotLine {
+	Notify parent_instance;
+	NotifyGotLinePrivate * priv;
+};
+
+struct _NotifyGotLineClass {
+	NotifyClass parent_class;
+};
+
+struct _NotifyGotLinePrivate {
+	ScanLine* line;
+};
+
+struct _Scanner {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	ScannerPrivate * priv;
+};
+
+struct _ScannerClass {
+	GTypeClass parent_class;
+	void (*finalize) (Scanner *self);
+};
+
+struct _ScannerPrivate {
+	GThread* thread;
+	GAsyncQueue* request_queue;
+	GAsyncQueue* notify_queue;
+	GAsyncQueue* authorize_queue;
+	gchar* default_device;
+	ScanState state;
+	gboolean need_redetect;
+	GList* job_queue;
+	SANE_Handle handle;
+	gboolean have_handle;
+	gchar* current_device;
+	SANE_Parameters parameters;
+	SANE_Int option_index;
+	SANE_Int br_x_option_index;
+	SANE_Int br_y_option_index;
+	guchar* buffer;
+	gint buffer_length1;
+	gint _buffer_size_;
+	gint n_used;
+	gint line_count;
+	gint pass_number;
+	gint page_number;
+	gint notified_page;
+	gboolean scanning;
+};
+
+struct _ParamSpecScanner {
+	GParamSpec parent_instance;
+};
+
+
+static gpointer scan_device_parent_class = NULL;
+static gpointer scan_page_info_parent_class = NULL;
+static gpointer scan_line_parent_class = NULL;
+static gpointer scan_options_parent_class = NULL;
+static gpointer scan_job_parent_class = NULL;
+static gpointer request_parent_class = NULL;
+static gpointer request_redetect_parent_class = NULL;
+static gpointer request_cancel_parent_class = NULL;
+static gpointer request_start_scan_parent_class = NULL;
+static gpointer request_quit_parent_class = NULL;
+static gpointer credentials_parent_class = NULL;
+static gpointer notify_parent_class = NULL;
+static gpointer notify_scanning_changed_parent_class = NULL;
+static gpointer notify_update_devices_parent_class = NULL;
+static gpointer notify_request_authorization_parent_class = NULL;
+static gpointer notify_scan_failed_parent_class = NULL;
+static gpointer notify_document_done_parent_class = NULL;
+static gpointer notify_expect_page_parent_class = NULL;
+static gpointer notify_got_page_info_parent_class = NULL;
+static gpointer notify_page_done_parent_class = NULL;
+static gpointer notify_got_line_parent_class = NULL;
+static gpointer scanner_parent_class = NULL;
+static Scanner* scanner_scanner_object;
+static Scanner* scanner_scanner_object = NULL;
+
+gpointer scan_device_ref (gpointer instance);
+void scan_device_unref (gpointer instance);
+GParamSpec* param_spec_scan_device (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_scan_device (GValue* value, gpointer v_object);
+void value_take_scan_device (GValue* value, gpointer v_object);
+gpointer value_get_scan_device (const GValue* value);
+GType scan_device_get_type (void) G_GNUC_CONST;
+enum  {
+	SCAN_DEVICE_DUMMY_PROPERTY
+};
+ScanDevice* scan_device_new (void);
+ScanDevice* scan_device_construct (GType object_type);
+static void scan_device_finalize (ScanDevice* obj);
+gpointer scan_page_info_ref (gpointer instance);
+void scan_page_info_unref (gpointer instance);
+GParamSpec* param_spec_scan_page_info (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_scan_page_info (GValue* value, gpointer v_object);
+void value_take_scan_page_info (GValue* value, gpointer v_object);
+gpointer value_get_scan_page_info (const GValue* value);
+GType scan_page_info_get_type (void) G_GNUC_CONST;
+enum  {
+	SCAN_PAGE_INFO_DUMMY_PROPERTY
+};
+ScanPageInfo* scan_page_info_new (void);
+ScanPageInfo* scan_page_info_construct (GType object_type);
+static void scan_page_info_finalize (ScanPageInfo* obj);
+gpointer scan_line_ref (gpointer instance);
+void scan_line_unref (gpointer instance);
+GParamSpec* param_spec_scan_line (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_scan_line (GValue* value, gpointer v_object);
+void value_take_scan_line (GValue* value, gpointer v_object);
+gpointer value_get_scan_line (const GValue* value);
+GType scan_line_get_type (void) G_GNUC_CONST;
+enum  {
+	SCAN_LINE_DUMMY_PROPERTY
+};
+ScanLine* scan_line_new (void);
+ScanLine* scan_line_construct (GType object_type);
+static void scan_line_finalize (ScanLine* obj);
+GType scan_mode_get_type (void) G_GNUC_CONST;
+GType scan_type_get_type (void) G_GNUC_CONST;
+gpointer scan_options_ref (gpointer instance);
+void scan_options_unref (gpointer instance);
+GParamSpec* param_spec_scan_options (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_scan_options (GValue* value, gpointer v_object);
+void value_take_scan_options (GValue* value, gpointer v_object);
+gpointer value_get_scan_options (const GValue* value);
+GType scan_options_get_type (void) G_GNUC_CONST;
+enum  {
+	SCAN_OPTIONS_DUMMY_PROPERTY
+};
+ScanOptions* scan_options_new (void);
+ScanOptions* scan_options_construct (GType object_type);
+static void scan_options_finalize (ScanOptions* obj);
+gpointer scan_job_ref (gpointer instance);
+void scan_job_unref (gpointer instance);
+GParamSpec* param_spec_scan_job (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_scan_job (GValue* value, gpointer v_object);
+void value_take_scan_job (GValue* value, gpointer v_object);
+gpointer value_get_scan_job (const GValue* value);
+GType scan_job_get_type (void) G_GNUC_CONST;
+enum  {
+	SCAN_JOB_DUMMY_PROPERTY
+};
+ScanJob* scan_job_new (void);
+ScanJob* scan_job_construct (GType object_type);
+static void scan_job_finalize (ScanJob* obj);
+gpointer request_ref (gpointer instance);
+void request_unref (gpointer instance);
+GParamSpec* param_spec_request (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_request (GValue* value, gpointer v_object);
+void value_take_request (GValue* value, gpointer v_object);
+gpointer value_get_request (const GValue* value);
+GType request_get_type (void) G_GNUC_CONST;
+enum  {
+	REQUEST_DUMMY_PROPERTY
+};
+Request* request_new (void);
+Request* request_construct (GType object_type);
+static void request_finalize (Request* obj);
+GType request_redetect_get_type (void) G_GNUC_CONST;
+enum  {
+	REQUEST_REDETECT_DUMMY_PROPERTY
+};
+RequestRedetect* request_redetect_new (void);
+RequestRedetect* request_redetect_construct (GType object_type);
+GType request_cancel_get_type (void) G_GNUC_CONST;
+enum  {
+	REQUEST_CANCEL_DUMMY_PROPERTY
+};
+RequestCancel* request_cancel_new (void);
+RequestCancel* request_cancel_construct (GType object_type);
+GType request_start_scan_get_type (void) G_GNUC_CONST;
+enum  {
+	REQUEST_START_SCAN_DUMMY_PROPERTY
+};
+RequestStartScan* request_start_scan_new (void);
+RequestStartScan* request_start_scan_construct (GType object_type);
+static void request_start_scan_finalize (Request* obj);
+GType request_quit_get_type (void) G_GNUC_CONST;
+enum  {
+	REQUEST_QUIT_DUMMY_PROPERTY
+};
+RequestQuit* request_quit_new (void);
+RequestQuit* request_quit_construct (GType object_type);
+gpointer credentials_ref (gpointer instance);
+void credentials_unref (gpointer instance);
+GParamSpec* param_spec_credentials (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_credentials (GValue* value, gpointer v_object);
+void value_take_credentials (GValue* value, gpointer v_object);
+gpointer value_get_credentials (const GValue* value);
+GType credentials_get_type (void) G_GNUC_CONST;
+enum  {
+	CREDENTIALS_DUMMY_PROPERTY
+};
+Credentials* credentials_new (void);
+Credentials* credentials_construct (GType object_type);
+static void credentials_finalize (Credentials* obj);
+GType scan_state_get_type (void) G_GNUC_CONST;
+gpointer notify_ref (gpointer instance);
+void notify_unref (gpointer instance);
+GParamSpec* param_spec_notify (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_notify (GValue* value, gpointer v_object);
+void value_take_notify (GValue* value, gpointer v_object);
+gpointer value_get_notify (const GValue* value);
+GType notify_get_type (void) G_GNUC_CONST;
+gpointer scanner_ref (gpointer instance);
+void scanner_unref (gpointer instance);
+GParamSpec* param_spec_scanner (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_scanner (GValue* value, gpointer v_object);
+void value_take_scanner (GValue* value, gpointer v_object);
+gpointer value_get_scanner (const GValue* value);
+GType scanner_get_type (void) G_GNUC_CONST;
+enum  {
+	NOTIFY_DUMMY_PROPERTY
+};
+void notify_run (Notify* self, Scanner* scanner);
+static void notify_real_run (Notify* self, Scanner* scanner);
+Notify* notify_new (void);
+Notify* notify_construct (GType object_type);
+static void notify_finalize (Notify* obj);
+GType notify_scanning_changed_get_type (void) G_GNUC_CONST;
+enum  {
+	NOTIFY_SCANNING_CHANGED_DUMMY_PROPERTY
+};
+static void notify_scanning_changed_real_run (Notify* base, Scanner* scanner);
+NotifyScanningChanged* notify_scanning_changed_new (void);
+NotifyScanningChanged* notify_scanning_changed_construct (GType object_type);
+GType notify_update_devices_get_type (void) G_GNUC_CONST;
+#define NOTIFY_UPDATE_DEVICES_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_NOTIFY_UPDATE_DEVICES, NotifyUpdateDevicesPrivate))
+enum  {
+	NOTIFY_UPDATE_DEVICES_DUMMY_PROPERTY
+};
+static void _scan_device_unref0_ (gpointer var);
+static void _g_list_free__scan_device_unref0_ (GList* self);
+NotifyUpdateDevices* notify_update_devices_new (GList* devices);
+NotifyUpdateDevices* notify_update_devices_construct (GType object_type, GList* devices);
+static void notify_update_devices_real_run (Notify* base, Scanner* scanner);
+static void notify_update_devices_finalize (Notify* obj);
+GType notify_request_authorization_get_type (void) G_GNUC_CONST;
+#define NOTIFY_REQUEST_AUTHORIZATION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_NOTIFY_REQUEST_AUTHORIZATION, NotifyRequestAuthorizationPrivate))
+enum  {
+	NOTIFY_REQUEST_AUTHORIZATION_DUMMY_PROPERTY
+};
+NotifyRequestAuthorization* notify_request_authorization_new (const gchar* resource);
+NotifyRequestAuthorization* notify_request_authorization_construct (GType object_type, const gchar* resource);
+static void notify_request_authorization_real_run (Notify* base, Scanner* scanner);
+static void notify_request_authorization_finalize (Notify* obj);
+GType notify_scan_failed_get_type (void) G_GNUC_CONST;
+#define NOTIFY_SCAN_FAILED_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_NOTIFY_SCAN_FAILED, NotifyScanFailedPrivate))
+enum  {
+	NOTIFY_SCAN_FAILED_DUMMY_PROPERTY
+};
+NotifyScanFailed* notify_scan_failed_new (gint error_code, const gchar* error_string);
+NotifyScanFailed* notify_scan_failed_construct (GType object_type, gint error_code, const gchar* error_string);
+static void notify_scan_failed_real_run (Notify* base, Scanner* scanner);
+static void notify_scan_failed_finalize (Notify* obj);
+GType notify_document_done_get_type (void) G_GNUC_CONST;
+enum  {
+	NOTIFY_DOCUMENT_DONE_DUMMY_PROPERTY
+};
+static void notify_document_done_real_run (Notify* base, Scanner* scanner);
+NotifyDocumentDone* notify_document_done_new (void);
+NotifyDocumentDone* notify_document_done_construct (GType object_type);
+GType notify_expect_page_get_type (void) G_GNUC_CONST;
+enum  {
+	NOTIFY_EXPECT_PAGE_DUMMY_PROPERTY
+};
+static void notify_expect_page_real_run (Notify* base, Scanner* scanner);
+NotifyExpectPage* notify_expect_page_new (void);
+NotifyExpectPage* notify_expect_page_construct (GType object_type);
+GType notify_got_page_info_get_type (void) G_GNUC_CONST;
+#define NOTIFY_GOT_PAGE_INFO_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_NOTIFY_GOT_PAGE_INFO, NotifyGotPageInfoPrivate))
+enum  {
+	NOTIFY_GOT_PAGE_INFO_DUMMY_PROPERTY
+};
+NotifyGotPageInfo* notify_got_page_info_new (ScanPageInfo* info);
+NotifyGotPageInfo* notify_got_page_info_construct (GType object_type, ScanPageInfo* info);
+static void notify_got_page_info_real_run (Notify* base, Scanner* scanner);
+static void notify_got_page_info_finalize (Notify* obj);
+GType notify_page_done_get_type (void) G_GNUC_CONST;
+enum  {
+	NOTIFY_PAGE_DONE_DUMMY_PROPERTY
+};
+static void notify_page_done_real_run (Notify* base, Scanner* scanner);
+NotifyPageDone* notify_page_done_new (void);
+NotifyPageDone* notify_page_done_construct (GType object_type);
+GType notify_got_line_get_type (void) G_GNUC_CONST;
+#define NOTIFY_GOT_LINE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_NOTIFY_GOT_LINE, NotifyGotLinePrivate))
+enum  {
+	NOTIFY_GOT_LINE_DUMMY_PROPERTY
+};
+NotifyGotLine* notify_got_line_new (ScanLine* line);
+NotifyGotLine* notify_got_line_construct (GType object_type, ScanLine* line);
+static void notify_got_line_real_run (Notify* base, Scanner* scanner);
+static void notify_got_line_finalize (Notify* obj);
+#define SCANNER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_SCANNER, ScannerPrivate))
+enum  {
+	SCANNER_DUMMY_PROPERTY
+};
+static void _scan_job_unref0_ (gpointer var);
+static void _g_list_free__scan_job_unref0_ (GList* self);
+static Scanner* scanner_new (void);
+static Scanner* scanner_construct (GType object_type);
+Scanner* scanner_get_instance (void);
+static gboolean scanner_notify_idle_cb (Scanner* self);
+static void scanner_notify (Scanner* self, Notify* notification);
+static gboolean _scanner_notify_idle_cb_gsource_func (gpointer self);
+static void scanner_set_scanning (Scanner* self, gboolean is_scanning);
+static gint scanner_get_device_weight (const gchar* device);
+static gint scanner_compare_devices (ScanDevice* device1, ScanDevice* device2);
+static void scanner_do_redetect (Scanner* self);
+static gint _scanner_compare_devices_gcompare_func (gconstpointer a, gconstpointer b);
+static gboolean scanner_set_default_option (Scanner* self, SANE_Handle handle, const SANE_Option_Descriptor* option, SANE_Int option_index);
+static void scanner_set_bool_option (Scanner* self, SANE_Handle handle, const SANE_Option_Descriptor* option, SANE_Int option_index, gboolean value, gboolean* _result_);
+static void scanner_set_int_option (Scanner* self, SANE_Handle handle, const SANE_Option_Descriptor* option, SANE_Int option_index, gint value, gint* _result_);
+static void scanner_set_fixed_option (Scanner* self, SANE_Handle handle, const SANE_Option_Descriptor* option, SANE_Int option_index, gdouble value, gdouble* _result_);
+static gboolean scanner_set_string_option (Scanner* self, SANE_Handle handle, const SANE_Option_Descriptor* option, SANE_Int option_index, const gchar* value, gchar** _result_);
+static gboolean scanner_set_constrained_string_option (Scanner* self, SANE_Handle handle, const SANE_Option_Descriptor* option, SANE_Int option_index, gchar** values, int values_length1, gchar** _result_);
+static void scanner_log_option (Scanner* self, SANE_Int index, const SANE_Option_Descriptor* option);
+static void scanner_authorization_cb (const gchar* resource, gchar* username, int username_length1, gchar* password, int password_length1);
+void scanner_authorize (Scanner* self, const gchar* username, const gchar* password);
+static void scanner_close_device (Scanner* self);
+static void scanner_fail_scan (Scanner* self, gint error_code, const gchar* error_string);
+static gboolean scanner_handle_requests (Scanner* self);
+static void scanner_do_open (Scanner* self);
+static void scanner_do_get_option (Scanner* self);
+static void scanner_do_complete_document (Scanner* self);
+static void scanner_do_start (Scanner* self);
+static void scanner_do_get_parameters (Scanner* self);
+static void scanner_do_complete_page (Scanner* self);
+static void scanner_do_read (Scanner* self);
+static void* scanner_scan_thread (Scanner* self);
+static void _scanner_authorization_cb_sane_authcallback (const gchar* resource, gchar* username, gchar* password);
+void scanner_redetect (Scanner* self);
+void scanner_start (Scanner* self);
+static gpointer _scanner_scan_thread_gthread_func (gpointer self);
+gboolean scanner_is_scanning (Scanner* self);
+static gchar* scanner_get_scan_mode_string (Scanner* self, ScanMode mode);
+static gchar* scanner_get_scan_type_string (Scanner* self, ScanType type);
+void scanner_scan (Scanner* self, const gchar* device, ScanOptions* options);
+void scanner_cancel (Scanner* self);
+void scanner_free (Scanner* self);
+static void g_cclosure_user_marshal_VOID__SCAN_PAGE_INFO (GClosure * closure, GValue * return_value, guint n_param_values, const GValue * param_values, gpointer invocation_hint, gpointer marshal_data);
+static void g_cclosure_user_marshal_VOID__SCAN_LINE (GClosure * closure, GValue * return_value, guint n_param_values, const GValue * param_values, gpointer invocation_hint, gpointer marshal_data);
+static void g_cclosure_user_marshal_VOID__INT_STRING (GClosure * closure, GValue * return_value, guint n_param_values, const GValue * param_values, gpointer invocation_hint, gpointer marshal_data);
+static void scanner_finalize (Scanner* obj);
+static void _vala_array_destroy (gpointer array, gint array_length, GDestroyNotify destroy_func);
+static void _vala_array_free (gpointer array, gint array_length, GDestroyNotify destroy_func);
+
+
+ScanDevice* scan_device_construct (GType object_type) {
+	ScanDevice* self = NULL;
+	self = (ScanDevice*) g_type_create_instance (object_type);
+	return self;
+}
+
+
+ScanDevice* scan_device_new (void) {
+	return scan_device_construct (TYPE_SCAN_DEVICE);
+}
+
+
+static void value_scan_device_init (GValue* value) {
+	value->data[0].v_pointer = NULL;
+}
+
+
+static void value_scan_device_free_value (GValue* value) {
+	if (value->data[0].v_pointer) {
+		scan_device_unref (value->data[0].v_pointer);
+	}
+}
+
+
+static void value_scan_device_copy_value (const GValue* src_value, GValue* dest_value) {
+	if (src_value->data[0].v_pointer) {
+		dest_value->data[0].v_pointer = scan_device_ref (src_value->data[0].v_pointer);
+	} else {
+		dest_value->data[0].v_pointer = NULL;
+	}
+}
+
+
+static gpointer value_scan_device_peek_pointer (const GValue* value) {
+	return value->data[0].v_pointer;
+}
+
+
+static gchar* value_scan_device_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	if (collect_values[0].v_pointer) {
+		ScanDevice* object;
+		object = collect_values[0].v_pointer;
+		if (object->parent_instance.g_class == NULL) {
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		}
+		value->data[0].v_pointer = scan_device_ref (object);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	return NULL;
+}
+
+
+static gchar* value_scan_device_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	ScanDevice** object_p;
+	object_p = collect_values[0].v_pointer;
+	if (!object_p) {
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+	}
+	if (!value->data[0].v_pointer) {
+		*object_p = NULL;
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+		*object_p = value->data[0].v_pointer;
+	} else {
+		*object_p = scan_device_ref (value->data[0].v_pointer);
+	}
+	return NULL;
+}
+
+
+GParamSpec* param_spec_scan_device (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	ParamSpecScanDevice* spec;
+	g_return_val_if_fail (g_type_is_a (object_type, TYPE_SCAN_DEVICE), NULL);
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+	G_PARAM_SPEC (spec)->value_type = object_type;
+	return G_PARAM_SPEC (spec);
+}
+
+
+gpointer value_get_scan_device (const GValue* value) {
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_DEVICE), NULL);
+	return value->data[0].v_pointer;
+}
+
+
+void value_set_scan_device (GValue* value, gpointer v_object) {
+	ScanDevice* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_DEVICE));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_SCAN_DEVICE));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+		scan_device_ref (value->data[0].v_pointer);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		scan_device_unref (old);
+	}
+}
+
+
+void value_take_scan_device (GValue* value, gpointer v_object) {
+	ScanDevice* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_DEVICE));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_SCAN_DEVICE));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		scan_device_unref (old);
+	}
+}
+
+
+static void scan_device_class_init (ScanDeviceClass * klass) {
+	scan_device_parent_class = g_type_class_peek_parent (klass);
+	SCAN_DEVICE_CLASS (klass)->finalize = scan_device_finalize;
+}
+
+
+static void scan_device_instance_init (ScanDevice * self) {
+	self->ref_count = 1;
+}
+
+
+static void scan_device_finalize (ScanDevice* obj) {
+	ScanDevice * self;
+	self = SCAN_DEVICE (obj);
+	_g_free0 (self->name);
+	_g_free0 (self->label);
+}
+
+
+GType scan_device_get_type (void) {
+	static volatile gsize scan_device_type_id__volatile = 0;
+	if (g_once_init_enter (&scan_device_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { value_scan_device_init, value_scan_device_free_value, value_scan_device_copy_value, value_scan_device_peek_pointer, "p", value_scan_device_collect_value, "p", value_scan_device_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (ScanDeviceClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) scan_device_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (ScanDevice), 0, (GInstanceInitFunc) scan_device_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType scan_device_type_id;
+		scan_device_type_id = g_type_register_fundamental (g_type_fundamental_next (), "ScanDevice", &g_define_type_info, &g_define_type_fundamental_info, 0);
+		g_once_init_leave (&scan_device_type_id__volatile, scan_device_type_id);
+	}
+	return scan_device_type_id__volatile;
+}
+
+
+gpointer scan_device_ref (gpointer instance) {
+	ScanDevice* self;
+	self = instance;
+	g_atomic_int_inc (&self->ref_count);
+	return instance;
+}
+
+
+void scan_device_unref (gpointer instance) {
+	ScanDevice* self;
+	self = instance;
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+		SCAN_DEVICE_GET_CLASS (self)->finalize (self);
+		g_type_free_instance ((GTypeInstance *) self);
+	}
+}
+
+
+ScanPageInfo* scan_page_info_construct (GType object_type) {
+	ScanPageInfo* self = NULL;
+	self = (ScanPageInfo*) g_type_create_instance (object_type);
+	return self;
+}
+
+
+ScanPageInfo* scan_page_info_new (void) {
+	return scan_page_info_construct (TYPE_SCAN_PAGE_INFO);
+}
+
+
+static void value_scan_page_info_init (GValue* value) {
+	value->data[0].v_pointer = NULL;
+}
+
+
+static void value_scan_page_info_free_value (GValue* value) {
+	if (value->data[0].v_pointer) {
+		scan_page_info_unref (value->data[0].v_pointer);
+	}
+}
+
+
+static void value_scan_page_info_copy_value (const GValue* src_value, GValue* dest_value) {
+	if (src_value->data[0].v_pointer) {
+		dest_value->data[0].v_pointer = scan_page_info_ref (src_value->data[0].v_pointer);
+	} else {
+		dest_value->data[0].v_pointer = NULL;
+	}
+}
+
+
+static gpointer value_scan_page_info_peek_pointer (const GValue* value) {
+	return value->data[0].v_pointer;
+}
+
+
+static gchar* value_scan_page_info_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	if (collect_values[0].v_pointer) {
+		ScanPageInfo* object;
+		object = collect_values[0].v_pointer;
+		if (object->parent_instance.g_class == NULL) {
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		}
+		value->data[0].v_pointer = scan_page_info_ref (object);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	return NULL;
+}
+
+
+static gchar* value_scan_page_info_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	ScanPageInfo** object_p;
+	object_p = collect_values[0].v_pointer;
+	if (!object_p) {
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+	}
+	if (!value->data[0].v_pointer) {
+		*object_p = NULL;
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+		*object_p = value->data[0].v_pointer;
+	} else {
+		*object_p = scan_page_info_ref (value->data[0].v_pointer);
+	}
+	return NULL;
+}
+
+
+GParamSpec* param_spec_scan_page_info (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	ParamSpecScanPageInfo* spec;
+	g_return_val_if_fail (g_type_is_a (object_type, TYPE_SCAN_PAGE_INFO), NULL);
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+	G_PARAM_SPEC (spec)->value_type = object_type;
+	return G_PARAM_SPEC (spec);
+}
+
+
+gpointer value_get_scan_page_info (const GValue* value) {
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_PAGE_INFO), NULL);
+	return value->data[0].v_pointer;
+}
+
+
+void value_set_scan_page_info (GValue* value, gpointer v_object) {
+	ScanPageInfo* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_PAGE_INFO));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_SCAN_PAGE_INFO));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+		scan_page_info_ref (value->data[0].v_pointer);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		scan_page_info_unref (old);
+	}
+}
+
+
+void value_take_scan_page_info (GValue* value, gpointer v_object) {
+	ScanPageInfo* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_PAGE_INFO));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_SCAN_PAGE_INFO));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		scan_page_info_unref (old);
+	}
+}
+
+
+static void scan_page_info_class_init (ScanPageInfoClass * klass) {
+	scan_page_info_parent_class = g_type_class_peek_parent (klass);
+	SCAN_PAGE_INFO_CLASS (klass)->finalize = scan_page_info_finalize;
+}
+
+
+static void scan_page_info_instance_init (ScanPageInfo * self) {
+	self->ref_count = 1;
+}
+
+
+static void scan_page_info_finalize (ScanPageInfo* obj) {
+	ScanPageInfo * self;
+	self = SCAN_PAGE_INFO (obj);
+	_g_free0 (self->device);
+}
+
+
+GType scan_page_info_get_type (void) {
+	static volatile gsize scan_page_info_type_id__volatile = 0;
+	if (g_once_init_enter (&scan_page_info_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { value_scan_page_info_init, value_scan_page_info_free_value, value_scan_page_info_copy_value, value_scan_page_info_peek_pointer, "p", value_scan_page_info_collect_value, "p", value_scan_page_info_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (ScanPageInfoClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) scan_page_info_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (ScanPageInfo), 0, (GInstanceInitFunc) scan_page_info_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType scan_page_info_type_id;
+		scan_page_info_type_id = g_type_register_fundamental (g_type_fundamental_next (), "ScanPageInfo", &g_define_type_info, &g_define_type_fundamental_info, 0);
+		g_once_init_leave (&scan_page_info_type_id__volatile, scan_page_info_type_id);
+	}
+	return scan_page_info_type_id__volatile;
+}
+
+
+gpointer scan_page_info_ref (gpointer instance) {
+	ScanPageInfo* self;
+	self = instance;
+	g_atomic_int_inc (&self->ref_count);
+	return instance;
+}
+
+
+void scan_page_info_unref (gpointer instance) {
+	ScanPageInfo* self;
+	self = instance;
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+		SCAN_PAGE_INFO_GET_CLASS (self)->finalize (self);
+		g_type_free_instance ((GTypeInstance *) self);
+	}
+}
+
+
+ScanLine* scan_line_construct (GType object_type) {
+	ScanLine* self = NULL;
+	self = (ScanLine*) g_type_create_instance (object_type);
+	return self;
+}
+
+
+ScanLine* scan_line_new (void) {
+	return scan_line_construct (TYPE_SCAN_LINE);
+}
+
+
+static void value_scan_line_init (GValue* value) {
+	value->data[0].v_pointer = NULL;
+}
+
+
+static void value_scan_line_free_value (GValue* value) {
+	if (value->data[0].v_pointer) {
+		scan_line_unref (value->data[0].v_pointer);
+	}
+}
+
+
+static void value_scan_line_copy_value (const GValue* src_value, GValue* dest_value) {
+	if (src_value->data[0].v_pointer) {
+		dest_value->data[0].v_pointer = scan_line_ref (src_value->data[0].v_pointer);
+	} else {
+		dest_value->data[0].v_pointer = NULL;
+	}
+}
+
+
+static gpointer value_scan_line_peek_pointer (const GValue* value) {
+	return value->data[0].v_pointer;
+}
+
+
+static gchar* value_scan_line_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	if (collect_values[0].v_pointer) {
+		ScanLine* object;
+		object = collect_values[0].v_pointer;
+		if (object->parent_instance.g_class == NULL) {
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		}
+		value->data[0].v_pointer = scan_line_ref (object);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	return NULL;
 }
+
+
+static gchar* value_scan_line_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	ScanLine** object_p;
+	object_p = collect_values[0].v_pointer;
+	if (!object_p) {
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+	}
+	if (!value->data[0].v_pointer) {
+		*object_p = NULL;
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+		*object_p = value->data[0].v_pointer;
+	} else {
+		*object_p = scan_line_ref (value->data[0].v_pointer);
+	}
+	return NULL;
+}
+
+
+GParamSpec* param_spec_scan_line (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	ParamSpecScanLine* spec;
+	g_return_val_if_fail (g_type_is_a (object_type, TYPE_SCAN_LINE), NULL);
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+	G_PARAM_SPEC (spec)->value_type = object_type;
+	return G_PARAM_SPEC (spec);
+}
+
+
+gpointer value_get_scan_line (const GValue* value) {
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_LINE), NULL);
+	return value->data[0].v_pointer;
+}
+
+
+void value_set_scan_line (GValue* value, gpointer v_object) {
+	ScanLine* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_LINE));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_SCAN_LINE));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+		scan_line_ref (value->data[0].v_pointer);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		scan_line_unref (old);
+	}
+}
+
+
+void value_take_scan_line (GValue* value, gpointer v_object) {
+	ScanLine* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_LINE));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_SCAN_LINE));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		scan_line_unref (old);
+	}
+}
+
+
+static void scan_line_class_init (ScanLineClass * klass) {
+	scan_line_parent_class = g_type_class_peek_parent (klass);
+	SCAN_LINE_CLASS (klass)->finalize = scan_line_finalize;
+}
+
+
+static void scan_line_instance_init (ScanLine * self) {
+	self->ref_count = 1;
+}
+
+
+static void scan_line_finalize (ScanLine* obj) {
+	ScanLine * self;
+	self = SCAN_LINE (obj);
+	self->data = (g_free (self->data), NULL);
+}
+
+
+GType scan_line_get_type (void) {
+	static volatile gsize scan_line_type_id__volatile = 0;
+	if (g_once_init_enter (&scan_line_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { value_scan_line_init, value_scan_line_free_value, value_scan_line_copy_value, value_scan_line_peek_pointer, "p", value_scan_line_collect_value, "p", value_scan_line_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (ScanLineClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) scan_line_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (ScanLine), 0, (GInstanceInitFunc) scan_line_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType scan_line_type_id;
+		scan_line_type_id = g_type_register_fundamental (g_type_fundamental_next (), "ScanLine", &g_define_type_info, &g_define_type_fundamental_info, 0);
+		g_once_init_leave (&scan_line_type_id__volatile, scan_line_type_id);
+	}
+	return scan_line_type_id__volatile;
+}
+
+
+gpointer scan_line_ref (gpointer instance) {
+	ScanLine* self;
+	self = instance;
+	g_atomic_int_inc (&self->ref_count);
+	return instance;
+}
+
+
+void scan_line_unref (gpointer instance) {
+	ScanLine* self;
+	self = instance;
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+		SCAN_LINE_GET_CLASS (self)->finalize (self);
+		g_type_free_instance ((GTypeInstance *) self);
+	}
+}
+
+
+GType scan_mode_get_type (void) {
+	static volatile gsize scan_mode_type_id__volatile = 0;
+	if (g_once_init_enter (&scan_mode_type_id__volatile)) {
+		static const GEnumValue values[] = {{SCAN_MODE_DEFAULT, "SCAN_MODE_DEFAULT", "default"}, {SCAN_MODE_COLOR, "SCAN_MODE_COLOR", "color"}, {SCAN_MODE_GRAY, "SCAN_MODE_GRAY", "gray"}, {SCAN_MODE_LINEART, "SCAN_MODE_LINEART", "lineart"}, {0, NULL, NULL}};
+		GType scan_mode_type_id;
+		scan_mode_type_id = g_enum_register_static ("ScanMode", values);
+		g_once_init_leave (&scan_mode_type_id__volatile, scan_mode_type_id);
+	}
+	return scan_mode_type_id__volatile;
+}
+
+
+GType scan_type_get_type (void) {
+	static volatile gsize scan_type_type_id__volatile = 0;
+	if (g_once_init_enter (&scan_type_type_id__volatile)) {
+		static const GEnumValue values[] = {{SCAN_TYPE_SINGLE, "SCAN_TYPE_SINGLE", "single"}, {SCAN_TYPE_ADF_FRONT, "SCAN_TYPE_ADF_FRONT", "adf-front"}, {SCAN_TYPE_ADF_BACK, "SCAN_TYPE_ADF_BACK", "adf-back"}, {SCAN_TYPE_ADF_BOTH, "SCAN_TYPE_ADF_BOTH", "adf-both"}, {0, NULL, NULL}};
+		GType scan_type_type_id;
+		scan_type_type_id = g_enum_register_static ("ScanType", values);
+		g_once_init_leave (&scan_type_type_id__volatile, scan_type_type_id);
+	}
+	return scan_type_type_id__volatile;
+}
+
+
+ScanOptions* scan_options_construct (GType object_type) {
+	ScanOptions* self = NULL;
+	self = (ScanOptions*) g_type_create_instance (object_type);
+	return self;
+}
+
+
+ScanOptions* scan_options_new (void) {
+	return scan_options_construct (TYPE_SCAN_OPTIONS);
+}
+
+
+static void value_scan_options_init (GValue* value) {
+	value->data[0].v_pointer = NULL;
+}
+
+
+static void value_scan_options_free_value (GValue* value) {
+	if (value->data[0].v_pointer) {
+		scan_options_unref (value->data[0].v_pointer);
+	}
+}
+
+
+static void value_scan_options_copy_value (const GValue* src_value, GValue* dest_value) {
+	if (src_value->data[0].v_pointer) {
+		dest_value->data[0].v_pointer = scan_options_ref (src_value->data[0].v_pointer);
+	} else {
+		dest_value->data[0].v_pointer = NULL;
+	}
+}
+
+
+static gpointer value_scan_options_peek_pointer (const GValue* value) {
+	return value->data[0].v_pointer;
+}
+
+
+static gchar* value_scan_options_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	if (collect_values[0].v_pointer) {
+		ScanOptions* object;
+		object = collect_values[0].v_pointer;
+		if (object->parent_instance.g_class == NULL) {
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		}
+		value->data[0].v_pointer = scan_options_ref (object);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	return NULL;
+}
+
+
+static gchar* value_scan_options_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	ScanOptions** object_p;
+	object_p = collect_values[0].v_pointer;
+	if (!object_p) {
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+	}
+	if (!value->data[0].v_pointer) {
+		*object_p = NULL;
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+		*object_p = value->data[0].v_pointer;
+	} else {
+		*object_p = scan_options_ref (value->data[0].v_pointer);
+	}
+	return NULL;
+}
+
+
+GParamSpec* param_spec_scan_options (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	ParamSpecScanOptions* spec;
+	g_return_val_if_fail (g_type_is_a (object_type, TYPE_SCAN_OPTIONS), NULL);
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+	G_PARAM_SPEC (spec)->value_type = object_type;
+	return G_PARAM_SPEC (spec);
+}
+
+
+gpointer value_get_scan_options (const GValue* value) {
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_OPTIONS), NULL);
+	return value->data[0].v_pointer;
+}
+
+
+void value_set_scan_options (GValue* value, gpointer v_object) {
+	ScanOptions* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_OPTIONS));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_SCAN_OPTIONS));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+		scan_options_ref (value->data[0].v_pointer);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		scan_options_unref (old);
+	}
+}
+
+
+void value_take_scan_options (GValue* value, gpointer v_object) {
+	ScanOptions* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_OPTIONS));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_SCAN_OPTIONS));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		scan_options_unref (old);
+	}
+}
+
+
+static void scan_options_class_init (ScanOptionsClass * klass) {
+	scan_options_parent_class = g_type_class_peek_parent (klass);
+	SCAN_OPTIONS_CLASS (klass)->finalize = scan_options_finalize;
+}
+
+
+static void scan_options_instance_init (ScanOptions * self) {
+	self->ref_count = 1;
+}
+
+
+static void scan_options_finalize (ScanOptions* obj) {
+	ScanOptions * self;
+	self = SCAN_OPTIONS (obj);
+}
+
+
+GType scan_options_get_type (void) {
+	static volatile gsize scan_options_type_id__volatile = 0;
+	if (g_once_init_enter (&scan_options_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { value_scan_options_init, value_scan_options_free_value, value_scan_options_copy_value, value_scan_options_peek_pointer, "p", value_scan_options_collect_value, "p", value_scan_options_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (ScanOptionsClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) scan_options_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (ScanOptions), 0, (GInstanceInitFunc) scan_options_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType scan_options_type_id;
+		scan_options_type_id = g_type_register_fundamental (g_type_fundamental_next (), "ScanOptions", &g_define_type_info, &g_define_type_fundamental_info, 0);
+		g_once_init_leave (&scan_options_type_id__volatile, scan_options_type_id);
+	}
+	return scan_options_type_id__volatile;
+}
+
+
+gpointer scan_options_ref (gpointer instance) {
+	ScanOptions* self;
+	self = instance;
+	g_atomic_int_inc (&self->ref_count);
+	return instance;
+}
+
+
+void scan_options_unref (gpointer instance) {
+	ScanOptions* self;
+	self = instance;
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+		SCAN_OPTIONS_GET_CLASS (self)->finalize (self);
+		g_type_free_instance ((GTypeInstance *) self);
+	}
+}
+
+
+ScanJob* scan_job_construct (GType object_type) {
+	ScanJob* self = NULL;
+	self = (ScanJob*) g_type_create_instance (object_type);
+	return self;
+}
+
+
+ScanJob* scan_job_new (void) {
+	return scan_job_construct (TYPE_SCAN_JOB);
+}
+
+
+static void value_scan_job_init (GValue* value) {
+	value->data[0].v_pointer = NULL;
+}
+
+
+static void value_scan_job_free_value (GValue* value) {
+	if (value->data[0].v_pointer) {
+		scan_job_unref (value->data[0].v_pointer);
+	}
+}
+
+
+static void value_scan_job_copy_value (const GValue* src_value, GValue* dest_value) {
+	if (src_value->data[0].v_pointer) {
+		dest_value->data[0].v_pointer = scan_job_ref (src_value->data[0].v_pointer);
+	} else {
+		dest_value->data[0].v_pointer = NULL;
+	}
+}
+
+
+static gpointer value_scan_job_peek_pointer (const GValue* value) {
+	return value->data[0].v_pointer;
+}
+
+
+static gchar* value_scan_job_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	if (collect_values[0].v_pointer) {
+		ScanJob* object;
+		object = collect_values[0].v_pointer;
+		if (object->parent_instance.g_class == NULL) {
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		}
+		value->data[0].v_pointer = scan_job_ref (object);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	return NULL;
+}
+
+
+static gchar* value_scan_job_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	ScanJob** object_p;
+	object_p = collect_values[0].v_pointer;
+	if (!object_p) {
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+	}
+	if (!value->data[0].v_pointer) {
+		*object_p = NULL;
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+		*object_p = value->data[0].v_pointer;
+	} else {
+		*object_p = scan_job_ref (value->data[0].v_pointer);
+	}
+	return NULL;
+}
+
+
+GParamSpec* param_spec_scan_job (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	ParamSpecScanJob* spec;
+	g_return_val_if_fail (g_type_is_a (object_type, TYPE_SCAN_JOB), NULL);
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+	G_PARAM_SPEC (spec)->value_type = object_type;
+	return G_PARAM_SPEC (spec);
+}
+
+
+gpointer value_get_scan_job (const GValue* value) {
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_JOB), NULL);
+	return value->data[0].v_pointer;
+}
+
+
+void value_set_scan_job (GValue* value, gpointer v_object) {
+	ScanJob* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_JOB));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_SCAN_JOB));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+		scan_job_ref (value->data[0].v_pointer);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		scan_job_unref (old);
+	}
+}
+
+
+void value_take_scan_job (GValue* value, gpointer v_object) {
+	ScanJob* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCAN_JOB));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_SCAN_JOB));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		scan_job_unref (old);
+	}
+}
+
+
+static void scan_job_class_init (ScanJobClass * klass) {
+	scan_job_parent_class = g_type_class_peek_parent (klass);
+	SCAN_JOB_CLASS (klass)->finalize = scan_job_finalize;
+}
+
+
+static void scan_job_instance_init (ScanJob * self) {
+	self->ref_count = 1;
+}
+
+
+static void scan_job_finalize (ScanJob* obj) {
+	ScanJob * self;
+	self = SCAN_JOB (obj);
+	_g_free0 (self->device);
+}
+
+
+GType scan_job_get_type (void) {
+	static volatile gsize scan_job_type_id__volatile = 0;
+	if (g_once_init_enter (&scan_job_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { value_scan_job_init, value_scan_job_free_value, value_scan_job_copy_value, value_scan_job_peek_pointer, "p", value_scan_job_collect_value, "p", value_scan_job_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (ScanJobClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) scan_job_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (ScanJob), 0, (GInstanceInitFunc) scan_job_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType scan_job_type_id;
+		scan_job_type_id = g_type_register_fundamental (g_type_fundamental_next (), "ScanJob", &g_define_type_info, &g_define_type_fundamental_info, 0);
+		g_once_init_leave (&scan_job_type_id__volatile, scan_job_type_id);
+	}
+	return scan_job_type_id__volatile;
+}
+
+
+gpointer scan_job_ref (gpointer instance) {
+	ScanJob* self;
+	self = instance;
+	g_atomic_int_inc (&self->ref_count);
+	return instance;
+}
+
+
+void scan_job_unref (gpointer instance) {
+	ScanJob* self;
+	self = instance;
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+		SCAN_JOB_GET_CLASS (self)->finalize (self);
+		g_type_free_instance ((GTypeInstance *) self);
+	}
+}
+
+
+Request* request_construct (GType object_type) {
+	Request* self = NULL;
+	self = (Request*) g_type_create_instance (object_type);
+	return self;
+}
+
+
+Request* request_new (void) {
+	return request_construct (TYPE_REQUEST);
+}
+
+
+static void value_request_init (GValue* value) {
+	value->data[0].v_pointer = NULL;
+}
+
+
+static void value_request_free_value (GValue* value) {
+	if (value->data[0].v_pointer) {
+		request_unref (value->data[0].v_pointer);
+	}
+}
+
+
+static void value_request_copy_value (const GValue* src_value, GValue* dest_value) {
+	if (src_value->data[0].v_pointer) {
+		dest_value->data[0].v_pointer = request_ref (src_value->data[0].v_pointer);
+	} else {
+		dest_value->data[0].v_pointer = NULL;
+	}
+}
+
+
+static gpointer value_request_peek_pointer (const GValue* value) {
+	return value->data[0].v_pointer;
+}
+
+
+static gchar* value_request_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	if (collect_values[0].v_pointer) {
+		Request* object;
+		object = collect_values[0].v_pointer;
+		if (object->parent_instance.g_class == NULL) {
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		}
+		value->data[0].v_pointer = request_ref (object);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	return NULL;
+}
+
+
+static gchar* value_request_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	Request** object_p;
+	object_p = collect_values[0].v_pointer;
+	if (!object_p) {
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+	}
+	if (!value->data[0].v_pointer) {
+		*object_p = NULL;
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+		*object_p = value->data[0].v_pointer;
+	} else {
+		*object_p = request_ref (value->data[0].v_pointer);
+	}
+	return NULL;
+}
+
+
+GParamSpec* param_spec_request (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	ParamSpecRequest* spec;
+	g_return_val_if_fail (g_type_is_a (object_type, TYPE_REQUEST), NULL);
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+	G_PARAM_SPEC (spec)->value_type = object_type;
+	return G_PARAM_SPEC (spec);
+}
+
+
+gpointer value_get_request (const GValue* value) {
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_REQUEST), NULL);
+	return value->data[0].v_pointer;
+}
+
+
+void value_set_request (GValue* value, gpointer v_object) {
+	Request* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_REQUEST));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_REQUEST));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+		request_ref (value->data[0].v_pointer);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		request_unref (old);
+	}
+}
+
+
+void value_take_request (GValue* value, gpointer v_object) {
+	Request* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_REQUEST));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_REQUEST));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		request_unref (old);
+	}
+}
+
+
+static void request_class_init (RequestClass * klass) {
+	request_parent_class = g_type_class_peek_parent (klass);
+	REQUEST_CLASS (klass)->finalize = request_finalize;
+}
+
+
+static void request_instance_init (Request * self) {
+	self->ref_count = 1;
+}
+
+
+static void request_finalize (Request* obj) {
+	Request * self;
+	self = REQUEST (obj);
+}
+
+
+GType request_get_type (void) {
+	static volatile gsize request_type_id__volatile = 0;
+	if (g_once_init_enter (&request_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { value_request_init, value_request_free_value, value_request_copy_value, value_request_peek_pointer, "p", value_request_collect_value, "p", value_request_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (RequestClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) request_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (Request), 0, (GInstanceInitFunc) request_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType request_type_id;
+		request_type_id = g_type_register_fundamental (g_type_fundamental_next (), "Request", &g_define_type_info, &g_define_type_fundamental_info, 0);
+		g_once_init_leave (&request_type_id__volatile, request_type_id);
+	}
+	return request_type_id__volatile;
+}
+
+
+gpointer request_ref (gpointer instance) {
+	Request* self;
+	self = instance;
+	g_atomic_int_inc (&self->ref_count);
+	return instance;
+}
+
+
+void request_unref (gpointer instance) {
+	Request* self;
+	self = instance;
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+		REQUEST_GET_CLASS (self)->finalize (self);
+		g_type_free_instance ((GTypeInstance *) self);
+	}
+}
+
+
+RequestRedetect* request_redetect_construct (GType object_type) {
+	RequestRedetect* self = NULL;
+	self = (RequestRedetect*) request_construct (object_type);
+	return self;
+}
+
+
+RequestRedetect* request_redetect_new (void) {
+	return request_redetect_construct (TYPE_REQUEST_REDETECT);
+}
+
+
+static void request_redetect_class_init (RequestRedetectClass * klass) {
+	request_redetect_parent_class = g_type_class_peek_parent (klass);
+}
+
+
+static void request_redetect_instance_init (RequestRedetect * self) {
+}
+
+
+GType request_redetect_get_type (void) {
+	static volatile gsize request_redetect_type_id__volatile = 0;
+	if (g_once_init_enter (&request_redetect_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (RequestRedetectClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) request_redetect_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (RequestRedetect), 0, (GInstanceInitFunc) request_redetect_instance_init, NULL };
+		GType request_redetect_type_id;
+		request_redetect_type_id = g_type_register_static (TYPE_REQUEST, "RequestRedetect", &g_define_type_info, 0);
+		g_once_init_leave (&request_redetect_type_id__volatile, request_redetect_type_id);
+	}
+	return request_redetect_type_id__volatile;
+}
+
+
+RequestCancel* request_cancel_construct (GType object_type) {
+	RequestCancel* self = NULL;
+	self = (RequestCancel*) request_construct (object_type);
+	return self;
+}
+
+
+RequestCancel* request_cancel_new (void) {
+	return request_cancel_construct (TYPE_REQUEST_CANCEL);
+}
+
+
+static void request_cancel_class_init (RequestCancelClass * klass) {
+	request_cancel_parent_class = g_type_class_peek_parent (klass);
+}
+
+
+static void request_cancel_instance_init (RequestCancel * self) {
+}
+
+
+GType request_cancel_get_type (void) {
+	static volatile gsize request_cancel_type_id__volatile = 0;
+	if (g_once_init_enter (&request_cancel_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (RequestCancelClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) request_cancel_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (RequestCancel), 0, (GInstanceInitFunc) request_cancel_instance_init, NULL };
+		GType request_cancel_type_id;
+		request_cancel_type_id = g_type_register_static (TYPE_REQUEST, "RequestCancel", &g_define_type_info, 0);
+		g_once_init_leave (&request_cancel_type_id__volatile, request_cancel_type_id);
+	}
+	return request_cancel_type_id__volatile;
+}
+
+
+RequestStartScan* request_start_scan_construct (GType object_type) {
+	RequestStartScan* self = NULL;
+	self = (RequestStartScan*) request_construct (object_type);
+	return self;
+}
+
+
+RequestStartScan* request_start_scan_new (void) {
+	return request_start_scan_construct (TYPE_REQUEST_START_SCAN);
+}
+
+
+static void request_start_scan_class_init (RequestStartScanClass * klass) {
+	request_start_scan_parent_class = g_type_class_peek_parent (klass);
+	REQUEST_CLASS (klass)->finalize = request_start_scan_finalize;
+}
+
+
+static void request_start_scan_instance_init (RequestStartScan * self) {
+}
+
+
+static void request_start_scan_finalize (Request* obj) {
+	RequestStartScan * self;
+	self = REQUEST_START_SCAN (obj);
+	_scan_job_unref0 (self->job);
+	REQUEST_CLASS (request_start_scan_parent_class)->finalize (obj);
+}
+
+
+GType request_start_scan_get_type (void) {
+	static volatile gsize request_start_scan_type_id__volatile = 0;
+	if (g_once_init_enter (&request_start_scan_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (RequestStartScanClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) request_start_scan_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (RequestStartScan), 0, (GInstanceInitFunc) request_start_scan_instance_init, NULL };
+		GType request_start_scan_type_id;
+		request_start_scan_type_id = g_type_register_static (TYPE_REQUEST, "RequestStartScan", &g_define_type_info, 0);
+		g_once_init_leave (&request_start_scan_type_id__volatile, request_start_scan_type_id);
+	}
+	return request_start_scan_type_id__volatile;
+}
+
+
+RequestQuit* request_quit_construct (GType object_type) {
+	RequestQuit* self = NULL;
+	self = (RequestQuit*) request_construct (object_type);
+	return self;
+}
+
+
+RequestQuit* request_quit_new (void) {
+	return request_quit_construct (TYPE_REQUEST_QUIT);
+}
+
+
+static void request_quit_class_init (RequestQuitClass * klass) {
+	request_quit_parent_class = g_type_class_peek_parent (klass);
+}
+
+
+static void request_quit_instance_init (RequestQuit * self) {
+}
+
+
+GType request_quit_get_type (void) {
+	static volatile gsize request_quit_type_id__volatile = 0;
+	if (g_once_init_enter (&request_quit_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (RequestQuitClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) request_quit_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (RequestQuit), 0, (GInstanceInitFunc) request_quit_instance_init, NULL };
+		GType request_quit_type_id;
+		request_quit_type_id = g_type_register_static (TYPE_REQUEST, "RequestQuit", &g_define_type_info, 0);
+		g_once_init_leave (&request_quit_type_id__volatile, request_quit_type_id);
+	}
+	return request_quit_type_id__volatile;
+}
+
+
+Credentials* credentials_construct (GType object_type) {
+	Credentials* self = NULL;
+	self = (Credentials*) g_type_create_instance (object_type);
+	return self;
+}
+
+
+Credentials* credentials_new (void) {
+	return credentials_construct (TYPE_CREDENTIALS);
+}
+
+
+static void value_credentials_init (GValue* value) {
+	value->data[0].v_pointer = NULL;
+}
+
+
+static void value_credentials_free_value (GValue* value) {
+	if (value->data[0].v_pointer) {
+		credentials_unref (value->data[0].v_pointer);
+	}
+}
+
+
+static void value_credentials_copy_value (const GValue* src_value, GValue* dest_value) {
+	if (src_value->data[0].v_pointer) {
+		dest_value->data[0].v_pointer = credentials_ref (src_value->data[0].v_pointer);
+	} else {
+		dest_value->data[0].v_pointer = NULL;
+	}
+}
+
+
+static gpointer value_credentials_peek_pointer (const GValue* value) {
+	return value->data[0].v_pointer;
+}
+
+
+static gchar* value_credentials_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	if (collect_values[0].v_pointer) {
+		Credentials* object;
+		object = collect_values[0].v_pointer;
+		if (object->parent_instance.g_class == NULL) {
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		}
+		value->data[0].v_pointer = credentials_ref (object);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	return NULL;
+}
+
+
+static gchar* value_credentials_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	Credentials** object_p;
+	object_p = collect_values[0].v_pointer;
+	if (!object_p) {
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+	}
+	if (!value->data[0].v_pointer) {
+		*object_p = NULL;
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+		*object_p = value->data[0].v_pointer;
+	} else {
+		*object_p = credentials_ref (value->data[0].v_pointer);
+	}
+	return NULL;
+}
+
+
+GParamSpec* param_spec_credentials (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	ParamSpecCredentials* spec;
+	g_return_val_if_fail (g_type_is_a (object_type, TYPE_CREDENTIALS), NULL);
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+	G_PARAM_SPEC (spec)->value_type = object_type;
+	return G_PARAM_SPEC (spec);
+}
+
+
+gpointer value_get_credentials (const GValue* value) {
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_CREDENTIALS), NULL);
+	return value->data[0].v_pointer;
+}
+
+
+void value_set_credentials (GValue* value, gpointer v_object) {
+	Credentials* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_CREDENTIALS));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_CREDENTIALS));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+		credentials_ref (value->data[0].v_pointer);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		credentials_unref (old);
+	}
+}
+
+
+void value_take_credentials (GValue* value, gpointer v_object) {
+	Credentials* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_CREDENTIALS));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_CREDENTIALS));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		credentials_unref (old);
+	}
+}
+
+
+static void credentials_class_init (CredentialsClass * klass) {
+	credentials_parent_class = g_type_class_peek_parent (klass);
+	CREDENTIALS_CLASS (klass)->finalize = credentials_finalize;
+}
+
+
+static void credentials_instance_init (Credentials * self) {
+	self->ref_count = 1;
+}
+
+
+static void credentials_finalize (Credentials* obj) {
+	Credentials * self;
+	self = CREDENTIALS (obj);
+	_g_free0 (self->username);
+	_g_free0 (self->password);
+}
+
+
+GType credentials_get_type (void) {
+	static volatile gsize credentials_type_id__volatile = 0;
+	if (g_once_init_enter (&credentials_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { value_credentials_init, value_credentials_free_value, value_credentials_copy_value, value_credentials_peek_pointer, "p", value_credentials_collect_value, "p", value_credentials_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (CredentialsClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) credentials_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (Credentials), 0, (GInstanceInitFunc) credentials_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType credentials_type_id;
+		credentials_type_id = g_type_register_fundamental (g_type_fundamental_next (), "Credentials", &g_define_type_info, &g_define_type_fundamental_info, 0);
+		g_once_init_leave (&credentials_type_id__volatile, credentials_type_id);
+	}
+	return credentials_type_id__volatile;
+}
+
+
+gpointer credentials_ref (gpointer instance) {
+	Credentials* self;
+	self = instance;
+	g_atomic_int_inc (&self->ref_count);
+	return instance;
+}
+
+
+void credentials_unref (gpointer instance) {
+	Credentials* self;
+	self = instance;
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+		CREDENTIALS_GET_CLASS (self)->finalize (self);
+		g_type_free_instance ((GTypeInstance *) self);
+	}
+}
+
+
+GType scan_state_get_type (void) {
+	static volatile gsize scan_state_type_id__volatile = 0;
+	if (g_once_init_enter (&scan_state_type_id__volatile)) {
+		static const GEnumValue values[] = {{SCAN_STATE_IDLE, "SCAN_STATE_IDLE", "idle"}, {SCAN_STATE_REDETECT, "SCAN_STATE_REDETECT", "redetect"}, {SCAN_STATE_OPEN, "SCAN_STATE_OPEN", "open"}, {SCAN_STATE_GET_OPTION, "SCAN_STATE_GET_OPTION", "get-option"}, {SCAN_STATE_START, "SCAN_STATE_START", "start"}, {SCAN_STATE_GET_PARAMETERS, "SCAN_STATE_GET_PARAMETERS", "get-parameters"}, {SCAN_STATE_READ, "SCAN_STATE_READ", "read"}, {0, NULL, NULL}};
+		GType scan_state_type_id;
+		scan_state_type_id = g_enum_register_static ("ScanState", values);
+		g_once_init_leave (&scan_state_type_id__volatile, scan_state_type_id);
+	}
+	return scan_state_type_id__volatile;
+}
+
+
+static void notify_real_run (Notify* self, Scanner* scanner) {
+	g_return_if_fail (self != NULL);
+	g_return_if_fail (scanner != NULL);
+}
+
+
+void notify_run (Notify* self, Scanner* scanner) {
+	NOTIFY_GET_CLASS (self)->run (self, scanner);
+}
+
+
+Notify* notify_construct (GType object_type) {
+	Notify* self = NULL;
+	self = (Notify*) g_type_create_instance (object_type);
+	return self;
+}
+
+
+Notify* notify_new (void) {
+	return notify_construct (TYPE_NOTIFY);
+}
+
+
+static void value_notify_init (GValue* value) {
+	value->data[0].v_pointer = NULL;
+}
+
+
+static void value_notify_free_value (GValue* value) {
+	if (value->data[0].v_pointer) {
+		notify_unref (value->data[0].v_pointer);
+	}
+}
+
+
+static void value_notify_copy_value (const GValue* src_value, GValue* dest_value) {
+	if (src_value->data[0].v_pointer) {
+		dest_value->data[0].v_pointer = notify_ref (src_value->data[0].v_pointer);
+	} else {
+		dest_value->data[0].v_pointer = NULL;
+	}
+}
+
+
+static gpointer value_notify_peek_pointer (const GValue* value) {
+	return value->data[0].v_pointer;
+}
+
+
+static gchar* value_notify_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	if (collect_values[0].v_pointer) {
+		Notify* object;
+		object = collect_values[0].v_pointer;
+		if (object->parent_instance.g_class == NULL) {
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		}
+		value->data[0].v_pointer = notify_ref (object);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	return NULL;
+}
+
+
+static gchar* value_notify_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	Notify** object_p;
+	object_p = collect_values[0].v_pointer;
+	if (!object_p) {
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+	}
+	if (!value->data[0].v_pointer) {
+		*object_p = NULL;
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+		*object_p = value->data[0].v_pointer;
+	} else {
+		*object_p = notify_ref (value->data[0].v_pointer);
+	}
+	return NULL;
+}
+
+
+GParamSpec* param_spec_notify (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	ParamSpecNotify* spec;
+	g_return_val_if_fail (g_type_is_a (object_type, TYPE_NOTIFY), NULL);
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+	G_PARAM_SPEC (spec)->value_type = object_type;
+	return G_PARAM_SPEC (spec);
+}
+
+
+gpointer value_get_notify (const GValue* value) {
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_NOTIFY), NULL);
+	return value->data[0].v_pointer;
+}
+
+
+void value_set_notify (GValue* value, gpointer v_object) {
+	Notify* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_NOTIFY));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_NOTIFY));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+		notify_ref (value->data[0].v_pointer);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		notify_unref (old);
+	}
+}
+
+
+void value_take_notify (GValue* value, gpointer v_object) {
+	Notify* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_NOTIFY));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_NOTIFY));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		notify_unref (old);
+	}
+}
+
+
+static void notify_class_init (NotifyClass * klass) {
+	notify_parent_class = g_type_class_peek_parent (klass);
+	NOTIFY_CLASS (klass)->finalize = notify_finalize;
+	NOTIFY_CLASS (klass)->run = notify_real_run;
+}
+
+
+static void notify_instance_init (Notify * self) {
+	self->ref_count = 1;
+}
+
+
+static void notify_finalize (Notify* obj) {
+	Notify * self;
+	self = NOTIFY (obj);
+}
+
+
+GType notify_get_type (void) {
+	static volatile gsize notify_type_id__volatile = 0;
+	if (g_once_init_enter (&notify_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { value_notify_init, value_notify_free_value, value_notify_copy_value, value_notify_peek_pointer, "p", value_notify_collect_value, "p", value_notify_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (NotifyClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) notify_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (Notify), 0, (GInstanceInitFunc) notify_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType notify_type_id;
+		notify_type_id = g_type_register_fundamental (g_type_fundamental_next (), "Notify", &g_define_type_info, &g_define_type_fundamental_info, 0);
+		g_once_init_leave (&notify_type_id__volatile, notify_type_id);
+	}
+	return notify_type_id__volatile;
+}
+
+
+gpointer notify_ref (gpointer instance) {
+	Notify* self;
+	self = instance;
+	g_atomic_int_inc (&self->ref_count);
+	return instance;
+}
+
+
+void notify_unref (gpointer instance) {
+	Notify* self;
+	self = instance;
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+		NOTIFY_GET_CLASS (self)->finalize (self);
+		g_type_free_instance ((GTypeInstance *) self);
+	}
+}
+
+
+static void notify_scanning_changed_real_run (Notify* base, Scanner* scanner) {
+	NotifyScanningChanged * self;
+	self = (NotifyScanningChanged*) base;
+	g_return_if_fail (scanner != NULL);
+	g_signal_emit_by_name (scanner, "scanning-changed");
+}
+
+
+NotifyScanningChanged* notify_scanning_changed_construct (GType object_type) {
+	NotifyScanningChanged* self = NULL;
+	self = (NotifyScanningChanged*) notify_construct (object_type);
+	return self;
+}
+
+
+NotifyScanningChanged* notify_scanning_changed_new (void) {
+	return notify_scanning_changed_construct (TYPE_NOTIFY_SCANNING_CHANGED);
+}
+
+
+static void notify_scanning_changed_class_init (NotifyScanningChangedClass * klass) {
+	notify_scanning_changed_parent_class = g_type_class_peek_parent (klass);
+	NOTIFY_CLASS (klass)->run = notify_scanning_changed_real_run;
+}
+
+
+static void notify_scanning_changed_instance_init (NotifyScanningChanged * self) {
+}
+
+
+GType notify_scanning_changed_get_type (void) {
+	static volatile gsize notify_scanning_changed_type_id__volatile = 0;
+	if (g_once_init_enter (&notify_scanning_changed_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (NotifyScanningChangedClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) notify_scanning_changed_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (NotifyScanningChanged), 0, (GInstanceInitFunc) notify_scanning_changed_instance_init, NULL };
+		GType notify_scanning_changed_type_id;
+		notify_scanning_changed_type_id = g_type_register_static (TYPE_NOTIFY, "NotifyScanningChanged", &g_define_type_info, 0);
+		g_once_init_leave (&notify_scanning_changed_type_id__volatile, notify_scanning_changed_type_id);
+	}
+	return notify_scanning_changed_type_id__volatile;
+}
+
+
+static void _scan_device_unref0_ (gpointer var) {
+	(var == NULL) ? NULL : (var = (scan_device_unref (var), NULL));
+}
+
+
+static void _g_list_free__scan_device_unref0_ (GList* self) {
+	g_list_foreach (self, (GFunc) _scan_device_unref0_, NULL);
+	g_list_free (self);
+}
+
+
+NotifyUpdateDevices* notify_update_devices_construct (GType object_type, GList* devices) {
+	NotifyUpdateDevices* self = NULL;
+	GList* _tmp0_;
+	self = (NotifyUpdateDevices*) notify_construct (object_type);
+	_tmp0_ = devices;
+	devices = NULL;
+	__g_list_free__scan_device_unref0_0 (self->priv->devices);
+	self->priv->devices = _tmp0_;
+	__g_list_free__scan_device_unref0_0 (devices);
+	return self;
+}
+
+
+NotifyUpdateDevices* notify_update_devices_new (GList* devices) {
+	return notify_update_devices_construct (TYPE_NOTIFY_UPDATE_DEVICES, devices);
+}
+
+
+static void notify_update_devices_real_run (Notify* base, Scanner* scanner) {
+	NotifyUpdateDevices * self;
+	self = (NotifyUpdateDevices*) base;
+	g_return_if_fail (scanner != NULL);
+	g_signal_emit_by_name (scanner, "update-devices", self->priv->devices);
+}
+
+
+static void notify_update_devices_class_init (NotifyUpdateDevicesClass * klass) {
+	notify_update_devices_parent_class = g_type_class_peek_parent (klass);
+	NOTIFY_CLASS (klass)->finalize = notify_update_devices_finalize;
+	g_type_class_add_private (klass, sizeof (NotifyUpdateDevicesPrivate));
+	NOTIFY_CLASS (klass)->run = notify_update_devices_real_run;
+}
+
+
+static void notify_update_devices_instance_init (NotifyUpdateDevices * self) {
+	self->priv = NOTIFY_UPDATE_DEVICES_GET_PRIVATE (self);
+}
+
+
+static void notify_update_devices_finalize (Notify* obj) {
+	NotifyUpdateDevices * self;
+	self = NOTIFY_UPDATE_DEVICES (obj);
+	__g_list_free__scan_device_unref0_0 (self->priv->devices);
+	NOTIFY_CLASS (notify_update_devices_parent_class)->finalize (obj);
+}
+
+
+GType notify_update_devices_get_type (void) {
+	static volatile gsize notify_update_devices_type_id__volatile = 0;
+	if (g_once_init_enter (&notify_update_devices_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (NotifyUpdateDevicesClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) notify_update_devices_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (NotifyUpdateDevices), 0, (GInstanceInitFunc) notify_update_devices_instance_init, NULL };
+		GType notify_update_devices_type_id;
+		notify_update_devices_type_id = g_type_register_static (TYPE_NOTIFY, "NotifyUpdateDevices", &g_define_type_info, 0);
+		g_once_init_leave (&notify_update_devices_type_id__volatile, notify_update_devices_type_id);
+	}
+	return notify_update_devices_type_id__volatile;
+}
+
+
+NotifyRequestAuthorization* notify_request_authorization_construct (GType object_type, const gchar* resource) {
+	NotifyRequestAuthorization* self = NULL;
+	gchar* _tmp0_;
+	g_return_val_if_fail (resource != NULL, NULL);
+	self = (NotifyRequestAuthorization*) notify_construct (object_type);
+	_tmp0_ = g_strdup (resource);
+	_g_free0 (self->priv->resource);
+	self->priv->resource = _tmp0_;
+	return self;
+}
+
+
+NotifyRequestAuthorization* notify_request_authorization_new (const gchar* resource) {
+	return notify_request_authorization_construct (TYPE_NOTIFY_REQUEST_AUTHORIZATION, resource);
+}
+
+
+static void notify_request_authorization_real_run (Notify* base, Scanner* scanner) {
+	NotifyRequestAuthorization * self;
+	self = (NotifyRequestAuthorization*) base;
+	g_return_if_fail (scanner != NULL);
+	g_signal_emit_by_name (scanner, "request-authorization", self->priv->resource);
+}
+
+
+static void notify_request_authorization_class_init (NotifyRequestAuthorizationClass * klass) {
+	notify_request_authorization_parent_class = g_type_class_peek_parent (klass);
+	NOTIFY_CLASS (klass)->finalize = notify_request_authorization_finalize;
+	g_type_class_add_private (klass, sizeof (NotifyRequestAuthorizationPrivate));
+	NOTIFY_CLASS (klass)->run = notify_request_authorization_real_run;
+}
+
+
+static void notify_request_authorization_instance_init (NotifyRequestAuthorization * self) {
+	self->priv = NOTIFY_REQUEST_AUTHORIZATION_GET_PRIVATE (self);
+}
+
+
+static void notify_request_authorization_finalize (Notify* obj) {
+	NotifyRequestAuthorization * self;
+	self = NOTIFY_REQUEST_AUTHORIZATION (obj);
+	_g_free0 (self->priv->resource);
+	NOTIFY_CLASS (notify_request_authorization_parent_class)->finalize (obj);
+}
+
+
+GType notify_request_authorization_get_type (void) {
+	static volatile gsize notify_request_authorization_type_id__volatile = 0;
+	if (g_once_init_enter (&notify_request_authorization_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (NotifyRequestAuthorizationClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) notify_request_authorization_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (NotifyRequestAuthorization), 0, (GInstanceInitFunc) notify_request_authorization_instance_init, NULL };
+		GType notify_request_authorization_type_id;
+		notify_request_authorization_type_id = g_type_register_static (TYPE_NOTIFY, "NotifyRequestAuthorization", &g_define_type_info, 0);
+		g_once_init_leave (&notify_request_authorization_type_id__volatile, notify_request_authorization_type_id);
+	}
+	return notify_request_authorization_type_id__volatile;
+}
+
+
+NotifyScanFailed* notify_scan_failed_construct (GType object_type, gint error_code, const gchar* error_string) {
+	NotifyScanFailed* self = NULL;
+	gchar* _tmp0_;
+	g_return_val_if_fail (error_string != NULL, NULL);
+	self = (NotifyScanFailed*) notify_construct (object_type);
+	self->priv->error_code = error_code;
+	_tmp0_ = g_strdup (error_string);
+	_g_free0 (self->priv->error_string);
+	self->priv->error_string = _tmp0_;
+	return self;
+}
+
+
+NotifyScanFailed* notify_scan_failed_new (gint error_code, const gchar* error_string) {
+	return notify_scan_failed_construct (TYPE_NOTIFY_SCAN_FAILED, error_code, error_string);
+}
+
+
+static void notify_scan_failed_real_run (Notify* base, Scanner* scanner) {
+	NotifyScanFailed * self;
+	self = (NotifyScanFailed*) base;
+	g_return_if_fail (scanner != NULL);
+	g_signal_emit_by_name (scanner, "scan-failed", self->priv->error_code, self->priv->error_string);
+}
+
+
+static void notify_scan_failed_class_init (NotifyScanFailedClass * klass) {
+	notify_scan_failed_parent_class = g_type_class_peek_parent (klass);
+	NOTIFY_CLASS (klass)->finalize = notify_scan_failed_finalize;
+	g_type_class_add_private (klass, sizeof (NotifyScanFailedPrivate));
+	NOTIFY_CLASS (klass)->run = notify_scan_failed_real_run;
+}
+
+
+static void notify_scan_failed_instance_init (NotifyScanFailed * self) {
+	self->priv = NOTIFY_SCAN_FAILED_GET_PRIVATE (self);
+}
+
+
+static void notify_scan_failed_finalize (Notify* obj) {
+	NotifyScanFailed * self;
+	self = NOTIFY_SCAN_FAILED (obj);
+	_g_free0 (self->priv->error_string);
+	NOTIFY_CLASS (notify_scan_failed_parent_class)->finalize (obj);
+}
+
+
+GType notify_scan_failed_get_type (void) {
+	static volatile gsize notify_scan_failed_type_id__volatile = 0;
+	if (g_once_init_enter (&notify_scan_failed_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (NotifyScanFailedClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) notify_scan_failed_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (NotifyScanFailed), 0, (GInstanceInitFunc) notify_scan_failed_instance_init, NULL };
+		GType notify_scan_failed_type_id;
+		notify_scan_failed_type_id = g_type_register_static (TYPE_NOTIFY, "NotifyScanFailed", &g_define_type_info, 0);
+		g_once_init_leave (&notify_scan_failed_type_id__volatile, notify_scan_failed_type_id);
+	}
+	return notify_scan_failed_type_id__volatile;
+}
+
+
+static void notify_document_done_real_run (Notify* base, Scanner* scanner) {
+	NotifyDocumentDone * self;
+	self = (NotifyDocumentDone*) base;
+	g_return_if_fail (scanner != NULL);
+	g_signal_emit_by_name (scanner, "document-done");
+}
+
+
+NotifyDocumentDone* notify_document_done_construct (GType object_type) {
+	NotifyDocumentDone* self = NULL;
+	self = (NotifyDocumentDone*) notify_construct (object_type);
+	return self;
+}
+
+
+NotifyDocumentDone* notify_document_done_new (void) {
+	return notify_document_done_construct (TYPE_NOTIFY_DOCUMENT_DONE);
+}
+
+
+static void notify_document_done_class_init (NotifyDocumentDoneClass * klass) {
+	notify_document_done_parent_class = g_type_class_peek_parent (klass);
+	NOTIFY_CLASS (klass)->run = notify_document_done_real_run;
+}
+
+
+static void notify_document_done_instance_init (NotifyDocumentDone * self) {
+}
+
+
+GType notify_document_done_get_type (void) {
+	static volatile gsize notify_document_done_type_id__volatile = 0;
+	if (g_once_init_enter (&notify_document_done_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (NotifyDocumentDoneClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) notify_document_done_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (NotifyDocumentDone), 0, (GInstanceInitFunc) notify_document_done_instance_init, NULL };
+		GType notify_document_done_type_id;
+		notify_document_done_type_id = g_type_register_static (TYPE_NOTIFY, "NotifyDocumentDone", &g_define_type_info, 0);
+		g_once_init_leave (&notify_document_done_type_id__volatile, notify_document_done_type_id);
+	}
+	return notify_document_done_type_id__volatile;
+}
+
+
+static void notify_expect_page_real_run (Notify* base, Scanner* scanner) {
+	NotifyExpectPage * self;
+	self = (NotifyExpectPage*) base;
+	g_return_if_fail (scanner != NULL);
+	g_signal_emit_by_name (scanner, "expect-page");
+}
+
+
+NotifyExpectPage* notify_expect_page_construct (GType object_type) {
+	NotifyExpectPage* self = NULL;
+	self = (NotifyExpectPage*) notify_construct (object_type);
+	return self;
+}
+
+
+NotifyExpectPage* notify_expect_page_new (void) {
+	return notify_expect_page_construct (TYPE_NOTIFY_EXPECT_PAGE);
+}
+
+
+static void notify_expect_page_class_init (NotifyExpectPageClass * klass) {
+	notify_expect_page_parent_class = g_type_class_peek_parent (klass);
+	NOTIFY_CLASS (klass)->run = notify_expect_page_real_run;
+}
+
+
+static void notify_expect_page_instance_init (NotifyExpectPage * self) {
+}
+
+
+GType notify_expect_page_get_type (void) {
+	static volatile gsize notify_expect_page_type_id__volatile = 0;
+	if (g_once_init_enter (&notify_expect_page_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (NotifyExpectPageClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) notify_expect_page_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (NotifyExpectPage), 0, (GInstanceInitFunc) notify_expect_page_instance_init, NULL };
+		GType notify_expect_page_type_id;
+		notify_expect_page_type_id = g_type_register_static (TYPE_NOTIFY, "NotifyExpectPage", &g_define_type_info, 0);
+		g_once_init_leave (&notify_expect_page_type_id__volatile, notify_expect_page_type_id);
+	}
+	return notify_expect_page_type_id__volatile;
+}
+
+
+static gpointer _scan_page_info_ref0 (gpointer self) {
+	return self ? scan_page_info_ref (self) : NULL;
+}
+
+
+NotifyGotPageInfo* notify_got_page_info_construct (GType object_type, ScanPageInfo* info) {
+	NotifyGotPageInfo* self = NULL;
+	ScanPageInfo* _tmp0_;
+	g_return_val_if_fail (info != NULL, NULL);
+	self = (NotifyGotPageInfo*) notify_construct (object_type);
+	_tmp0_ = _scan_page_info_ref0 (info);
+	_scan_page_info_unref0 (self->priv->info);
+	self->priv->info = _tmp0_;
+	return self;
+}
+
+
+NotifyGotPageInfo* notify_got_page_info_new (ScanPageInfo* info) {
+	return notify_got_page_info_construct (TYPE_NOTIFY_GOT_PAGE_INFO, info);
+}
+
+
+static void notify_got_page_info_real_run (Notify* base, Scanner* scanner) {
+	NotifyGotPageInfo * self;
+	self = (NotifyGotPageInfo*) base;
+	g_return_if_fail (scanner != NULL);
+	g_signal_emit_by_name (scanner, "got-page-info", self->priv->info);
+}
+
+
+static void notify_got_page_info_class_init (NotifyGotPageInfoClass * klass) {
+	notify_got_page_info_parent_class = g_type_class_peek_parent (klass);
+	NOTIFY_CLASS (klass)->finalize = notify_got_page_info_finalize;
+	g_type_class_add_private (klass, sizeof (NotifyGotPageInfoPrivate));
+	NOTIFY_CLASS (klass)->run = notify_got_page_info_real_run;
+}
+
+
+static void notify_got_page_info_instance_init (NotifyGotPageInfo * self) {
+	self->priv = NOTIFY_GOT_PAGE_INFO_GET_PRIVATE (self);
+}
+
+
+static void notify_got_page_info_finalize (Notify* obj) {
+	NotifyGotPageInfo * self;
+	self = NOTIFY_GOT_PAGE_INFO (obj);
+	_scan_page_info_unref0 (self->priv->info);
+	NOTIFY_CLASS (notify_got_page_info_parent_class)->finalize (obj);
+}
+
+
+GType notify_got_page_info_get_type (void) {
+	static volatile gsize notify_got_page_info_type_id__volatile = 0;
+	if (g_once_init_enter (&notify_got_page_info_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (NotifyGotPageInfoClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) notify_got_page_info_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (NotifyGotPageInfo), 0, (GInstanceInitFunc) notify_got_page_info_instance_init, NULL };
+		GType notify_got_page_info_type_id;
+		notify_got_page_info_type_id = g_type_register_static (TYPE_NOTIFY, "NotifyGotPageInfo", &g_define_type_info, 0);
+		g_once_init_leave (&notify_got_page_info_type_id__volatile, notify_got_page_info_type_id);
+	}
+	return notify_got_page_info_type_id__volatile;
+}
+
+
+static void notify_page_done_real_run (Notify* base, Scanner* scanner) {
+	NotifyPageDone * self;
+	self = (NotifyPageDone*) base;
+	g_return_if_fail (scanner != NULL);
+	g_signal_emit_by_name (scanner, "page-done");
+}
+
+
+NotifyPageDone* notify_page_done_construct (GType object_type) {
+	NotifyPageDone* self = NULL;
+	self = (NotifyPageDone*) notify_construct (object_type);
+	return self;
+}
+
+
+NotifyPageDone* notify_page_done_new (void) {
+	return notify_page_done_construct (TYPE_NOTIFY_PAGE_DONE);
+}
+
+
+static void notify_page_done_class_init (NotifyPageDoneClass * klass) {
+	notify_page_done_parent_class = g_type_class_peek_parent (klass);
+	NOTIFY_CLASS (klass)->run = notify_page_done_real_run;
+}
+
+
+static void notify_page_done_instance_init (NotifyPageDone * self) {
+}
+
+
+GType notify_page_done_get_type (void) {
+	static volatile gsize notify_page_done_type_id__volatile = 0;
+	if (g_once_init_enter (&notify_page_done_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (NotifyPageDoneClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) notify_page_done_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (NotifyPageDone), 0, (GInstanceInitFunc) notify_page_done_instance_init, NULL };
+		GType notify_page_done_type_id;
+		notify_page_done_type_id = g_type_register_static (TYPE_NOTIFY, "NotifyPageDone", &g_define_type_info, 0);
+		g_once_init_leave (&notify_page_done_type_id__volatile, notify_page_done_type_id);
+	}
+	return notify_page_done_type_id__volatile;
+}
+
+
+static gpointer _scan_line_ref0 (gpointer self) {
+	return self ? scan_line_ref (self) : NULL;
+}
+
+
+NotifyGotLine* notify_got_line_construct (GType object_type, ScanLine* line) {
+	NotifyGotLine* self = NULL;
+	ScanLine* _tmp0_;
+	g_return_val_if_fail (line != NULL, NULL);
+	self = (NotifyGotLine*) notify_construct (object_type);
+	_tmp0_ = _scan_line_ref0 (line);
+	_scan_line_unref0 (self->priv->line);
+	self->priv->line = _tmp0_;
+	return self;
+}
+
+
+NotifyGotLine* notify_got_line_new (ScanLine* line) {
+	return notify_got_line_construct (TYPE_NOTIFY_GOT_LINE, line);
+}
+
+
+static void notify_got_line_real_run (Notify* base, Scanner* scanner) {
+	NotifyGotLine * self;
+	self = (NotifyGotLine*) base;
+	g_return_if_fail (scanner != NULL);
+	g_signal_emit_by_name (scanner, "got-line", self->priv->line);
+}
+
+
+static void notify_got_line_class_init (NotifyGotLineClass * klass) {
+	notify_got_line_parent_class = g_type_class_peek_parent (klass);
+	NOTIFY_CLASS (klass)->finalize = notify_got_line_finalize;
+	g_type_class_add_private (klass, sizeof (NotifyGotLinePrivate));
+	NOTIFY_CLASS (klass)->run = notify_got_line_real_run;
+}
+
+
+static void notify_got_line_instance_init (NotifyGotLine * self) {
+	self->priv = NOTIFY_GOT_LINE_GET_PRIVATE (self);
+}
+
+
+static void notify_got_line_finalize (Notify* obj) {
+	NotifyGotLine * self;
+	self = NOTIFY_GOT_LINE (obj);
+	_scan_line_unref0 (self->priv->line);
+	NOTIFY_CLASS (notify_got_line_parent_class)->finalize (obj);
+}
+
+
+GType notify_got_line_get_type (void) {
+	static volatile gsize notify_got_line_type_id__volatile = 0;
+	if (g_once_init_enter (&notify_got_line_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (NotifyGotLineClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) notify_got_line_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (NotifyGotLine), 0, (GInstanceInitFunc) notify_got_line_instance_init, NULL };
+		GType notify_got_line_type_id;
+		notify_got_line_type_id = g_type_register_static (TYPE_NOTIFY, "NotifyGotLine", &g_define_type_info, 0);
+		g_once_init_leave (&notify_got_line_type_id__volatile, notify_got_line_type_id);
+	}
+	return notify_got_line_type_id__volatile;
+}
+
+
+static void _scan_job_unref0_ (gpointer var) {
+	(var == NULL) ? NULL : (var = (scan_job_unref (var), NULL));
+}
+
+
+static void _g_list_free__scan_job_unref0_ (GList* self) {
+	g_list_foreach (self, (GFunc) _scan_job_unref0_, NULL);
+	g_list_free (self);
+}
+
+
+static Scanner* scanner_construct (GType object_type) {
+	Scanner* self = NULL;
+	GAsyncQueue* _tmp0_ = NULL;
+	GAsyncQueue* _tmp1_ = NULL;
+	GAsyncQueue* _tmp2_ = NULL;
+	self = (Scanner*) g_type_create_instance (object_type);
+	_tmp0_ = g_async_queue_new ();
+	_g_async_queue_unref0 (self->priv->request_queue);
+	self->priv->request_queue = _tmp0_;
+	_tmp1_ = g_async_queue_new ();
+	_g_async_queue_unref0 (self->priv->notify_queue);
+	self->priv->notify_queue = _tmp1_;
+	_tmp2_ = g_async_queue_new ();
+	_g_async_queue_unref0 (self->priv->authorize_queue);
+	self->priv->authorize_queue = _tmp2_;
+	return self;
+}
+
+
+static Scanner* scanner_new (void) {
+	return scanner_construct (TYPE_SCANNER);
+}
+
+
+static gpointer _scanner_ref0 (gpointer self) {
+	return self ? scanner_ref (self) : NULL;
+}
+
+
+Scanner* scanner_get_instance (void) {
+	Scanner* result = NULL;
+	Scanner* _tmp1_;
+	if (scanner_scanner_object == NULL) {
+		Scanner* _tmp0_ = NULL;
+		_tmp0_ = scanner_new ();
+		_scanner_unref0 (scanner_scanner_object);
+		scanner_scanner_object = _tmp0_;
+	}
+	_tmp1_ = _scanner_ref0 (scanner_scanner_object);
+	result = _tmp1_;
+	return result;
+}
+
+
+static gboolean scanner_notify_idle_cb (Scanner* self) {
+	gboolean result = FALSE;
+	gpointer _tmp0_ = NULL;
+	Notify* notification;
+	g_return_val_if_fail (self != NULL, FALSE);
+	_tmp0_ = g_async_queue_pop (self->priv->notify_queue);
+	notification = (Notify*) _tmp0_;
+	notify_run (notification, self);
+	result = FALSE;
+	_notify_unref0 (notification);
+	return result;
+}
+
+
+static gpointer _notify_ref0 (gpointer self) {
+	return self ? notify_ref (self) : NULL;
+}
+
+
+static gboolean _scanner_notify_idle_cb_gsource_func (gpointer self) {
+	gboolean result;
+	result = scanner_notify_idle_cb (self);
+	return result;
+}
+
+
+static void scanner_notify (Scanner* self, Notify* notification) {
+	Notify* _tmp0_;
+	g_return_if_fail (self != NULL);
+	g_return_if_fail (notification != NULL);
+	_tmp0_ = _notify_ref0 (notification);
+	g_async_queue_push (self->priv->notify_queue, _tmp0_);
+	g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, _scanner_notify_idle_cb_gsource_func, scanner_ref (self), scanner_unref);
+}
+
+
+static void scanner_set_scanning (Scanner* self, gboolean is_scanning) {
+	gboolean _tmp0_ = FALSE;
+	gboolean _tmp1_ = FALSE;
+	g_return_if_fail (self != NULL);
+	if (self->priv->scanning) {
+		_tmp1_ = !is_scanning;
+	} else {
+		_tmp1_ = FALSE;
+	}
+	if (_tmp1_) {
+		_tmp0_ = TRUE;
+	} else {
+		gboolean _tmp2_ = FALSE;
+		if (!self->priv->scanning) {
+			_tmp2_ = is_scanning;
+		} else {
+			_tmp2_ = FALSE;
+		}
+		_tmp0_ = _tmp2_;
+	}
+	if (_tmp0_) {
+		NotifyScanningChanged* _tmp3_ = NULL;
+		NotifyScanningChanged* _tmp4_;
+		self->priv->scanning = is_scanning;
+		g_signal_emit_by_name (self, "scanning-changed");
+		_tmp3_ = notify_scanning_changed_new ();
+		_tmp4_ = _tmp3_;
+		scanner_notify (self, (Notify*) _tmp4_);
+		_notify_unref0 (_tmp4_);
+	}
+}
+
+
+static gboolean string_contains (const gchar* self, const gchar* needle) {
+	gboolean result = FALSE;
+	gchar* _tmp0_ = NULL;
+	g_return_val_if_fail (self != NULL, FALSE);
+	g_return_val_if_fail (needle != NULL, FALSE);
+	_tmp0_ = strstr ((gchar*) self, (gchar*) needle);
+	result = _tmp0_ != NULL;
+	return result;
+}
+
+
+static gint scanner_get_device_weight (const gchar* device) {
+	gint result = 0;
+	gboolean _tmp0_;
+	gboolean _tmp1_;
+	g_return_val_if_fail (device != NULL, 0);
+	_tmp0_ = g_str_has_prefix (device, "vfl:");
+	if (_tmp0_) {
+		result = 2;
+		return result;
+	}
+	_tmp1_ = string_contains (device, "usb");
+	if (_tmp1_) {
+		result = 0;
+		return result;
+	}
+	result = 1;
+	return result;
+}
+
+
+static gint scanner_compare_devices (ScanDevice* device1, ScanDevice* device2) {
+	gint result = 0;
+	gint _tmp0_;
+	gint weight1;
+	gint _tmp1_;
+	gint weight2;
+	gint _tmp2_;
+	g_return_val_if_fail (device1 != NULL, 0);
+	g_return_val_if_fail (device2 != NULL, 0);
+	_tmp0_ = scanner_get_device_weight (device1->name);
+	weight1 = _tmp0_;
+	_tmp1_ = scanner_get_device_weight (device2->name);
+	weight2 = _tmp1_;
+	if (weight1 != weight2) {
+		result = weight1 - weight2;
+		return result;
+	}
+	_tmp2_ = g_strcmp0 (device1->label, device2->label);
+	result = _tmp2_;
+	return result;
+}
+
+
+static gchar* sane_status_to_string (SANE_Status status) {
+	gchar* result = NULL;
+	switch (status) {
+		case SANE_STATUS_GOOD:
+		{
+			gchar* _tmp0_;
+			_tmp0_ = g_strdup ("SANE_STATUS_GOOD");
+			result = _tmp0_;
+			return result;
+		}
+		case SANE_STATUS_UNSUPPORTED:
+		{
+			gchar* _tmp1_;
+			_tmp1_ = g_strdup ("SANE_STATUS_UNSUPPORTED");
+			result = _tmp1_;
+			return result;
+		}
+		case SANE_STATUS_CANCELLED:
+		{
+			gchar* _tmp2_;
+			_tmp2_ = g_strdup ("SANE_STATUS_CANCELLED");
+			result = _tmp2_;
+			return result;
+		}
+		case SANE_STATUS_DEVICE_BUSY:
+		{
+			gchar* _tmp3_;
+			_tmp3_ = g_strdup ("SANE_STATUS_DEVICE_BUSY");
+			result = _tmp3_;
+			return result;
+		}
+		case SANE_STATUS_INVAL:
+		{
+			gchar* _tmp4_;
+			_tmp4_ = g_strdup ("SANE_STATUS_INVAL");
+			result = _tmp4_;
+			return result;
+		}
+		case SANE_STATUS_EOF:
+		{
+			gchar* _tmp5_;
+			_tmp5_ = g_strdup ("SANE_STATUS_EOF");
+			result = _tmp5_;
+			return result;
+		}
+		case SANE_STATUS_JAMMED:
+		{
+			gchar* _tmp6_;
+			_tmp6_ = g_strdup ("SANE_STATUS_JAMMED");
+			result = _tmp6_;
+			return result;
+		}
+		case SANE_STATUS_NO_DOCS:
+		{
+			gchar* _tmp7_;
+			_tmp7_ = g_strdup ("SANE_STATUS_NO_DOCS");
+			result = _tmp7_;
+			return result;
+		}
+		case SANE_STATUS_COVER_OPEN:
+		{
+			gchar* _tmp8_;
+			_tmp8_ = g_strdup ("SANE_STATUS_COVER_OPEN");
+			result = _tmp8_;
+			return result;
+		}
+		case SANE_STATUS_IO_ERROR:
+		{
+			gchar* _tmp9_;
+			_tmp9_ = g_strdup ("SANE_STATUS_IO_ERROR");
+			result = _tmp9_;
+			return result;
+		}
+		case SANE_STATUS_NO_MEM:
+		{
+			gchar* _tmp10_;
+			_tmp10_ = g_strdup ("SANE_STATUS_NO_MEM");
+			result = _tmp10_;
+			return result;
+		}
+		case SANE_STATUS_ACCESS_DENIED:
+		{
+			gchar* _tmp11_;
+			_tmp11_ = g_strdup ("SANE_STATUS_ACCESS_DENIED");
+			result = _tmp11_;
+			return result;
+		}
+		default:
+		{
+			gchar* _tmp12_ = NULL;
+			_tmp12_ = g_strdup_printf ("SANE_STATUS(%d)", (gint) status);
+			result = _tmp12_;
+			return result;
+		}
+	}
+}
+
+
+static gchar* string_replace (const gchar* self, const gchar* old, const gchar* replacement) {
+	gchar* result = NULL;
+	GError * _inner_error_ = NULL;
+	g_return_val_if_fail (self != NULL, NULL);
+	g_return_val_if_fail (old != NULL, NULL);
+	g_return_val_if_fail (replacement != NULL, NULL);
+	{
+		gchar* _tmp0_ = NULL;
+		gchar* _tmp1_;
+		GRegex* _tmp2_ = NULL;
+		GRegex* _tmp3_;
+		GRegex* regex;
+		gchar* _tmp4_ = NULL;
+		gchar* _tmp5_;
+		_tmp0_ = g_regex_escape_string (old, -1);
+		_tmp1_ = _tmp0_;
+		_tmp2_ = g_regex_new (_tmp1_, 0, 0, &_inner_error_);
+		_tmp3_ = _tmp2_;
+		_g_free0 (_tmp1_);
+		regex = _tmp3_;
+		if (_inner_error_ != NULL) {
+			if (_inner_error_->domain == G_REGEX_ERROR) {
+				goto __catch8_g_regex_error;
+			}
+			g_critical ("file %s: line %d: unexpected error: %s (%s, %d)", __FILE__, __LINE__, _inner_error_->message, g_quark_to_string (_inner_error_->domain), _inner_error_->code);
+			g_clear_error (&_inner_error_);
+			return NULL;
+		}
+		_tmp4_ = g_regex_replace_literal (regex, self, (gssize) (-1), 0, replacement, 0, &_inner_error_);
+		_tmp5_ = _tmp4_;
+		if (_inner_error_ != NULL) {
+			_g_regex_unref0 (regex);
+			if (_inner_error_->domain == G_REGEX_ERROR) {
+				goto __catch8_g_regex_error;
+			}
+			_g_regex_unref0 (regex);
+			g_critical ("file %s: line %d: unexpected error: %s (%s, %d)", __FILE__, __LINE__, _inner_error_->message, g_quark_to_string (_inner_error_->domain), _inner_error_->code);
+			g_clear_error (&_inner_error_);
+			return NULL;
+		}
+		result = _tmp5_;
+		_g_regex_unref0 (regex);
+		return result;
+	}
+	goto __finally8;
+	__catch8_g_regex_error:
+	{
+		GError* e = NULL;
+		e = _inner_error_;
+		_inner_error_ = NULL;
+		g_assert_not_reached ();
+		_g_error_free0 (e);
+	}
+	__finally8:
+	if (_inner_error_ != NULL) {
+		g_critical ("file %s: line %d: uncaught error: %s (%s, %d)", __FILE__, __LINE__, _inner_error_->message, g_quark_to_string (_inner_error_->domain), _inner_error_->code);
+		g_clear_error (&_inner_error_);
+		return NULL;
+	}
+}
+
+
+static gpointer _scan_device_ref0 (gpointer self) {
+	return self ? scan_device_ref (self) : NULL;
+}
+
+
+static gint _scanner_compare_devices_gcompare_func (gconstpointer a, gconstpointer b) {
+	gint result;
+	result = scanner_compare_devices (a, b);
+	return result;
+}
+
+
+static void scanner_do_redetect (Scanner* self) {
+	SANE_Device** device_list;
+	gint device_list_length1;
+	gint _device_list_size_;
+	SANE_Device** _tmp0_ = NULL;
+	SANE_Status _tmp1_;
+	SANE_Status status;
+	gchar* _tmp2_ = NULL;
+	gchar* _tmp3_;
+	GList* devices;
+	GList* _tmp17_;
+	NotifyUpdateDevices* _tmp18_ = NULL;
+	NotifyUpdateDevices* _tmp19_;
+	g_return_if_fail (self != NULL);
+	device_list = NULL;
+	device_list_length1 = 0;
+	_device_list_size_ = device_list_length1;
+	_tmp1_ = sane_get_devices (&_tmp0_, FALSE);
+	device_list = _tmp0_;
+	device_list_length1 = -1;
+	_device_list_size_ = device_list_length1;
+	status = _tmp1_;
+	_tmp2_ = sane_status_to_string (status);
+	_tmp3_ = _tmp2_;
+	g_debug ("scanner.vala:318: sane_get_devices () -> %s", _tmp3_);
+	_g_free0 (_tmp3_);
+	if (status != SANE_STATUS_GOOD) {
+		const gchar* _tmp4_ = NULL;
+		_tmp4_ = sane_strstatus (status);
+		g_warning ("scanner.vala:321: Unable to get SANE devices: %s", _tmp4_);
+		self->priv->need_redetect = FALSE;
+		self->priv->state = SCAN_STATE_IDLE;
+		return;
+	}
+	devices = NULL;
+	{
+		gint i;
+		i = 0;
+		{
+			gboolean _tmp5_;
+			_tmp5_ = TRUE;
+			while (TRUE) {
+				ScanDevice* _tmp6_ = NULL;
+				ScanDevice* scan_device;
+				gchar* _tmp7_;
+				gchar* _tmp8_;
+				gchar* vendor;
+				gchar* _tmp10_ = NULL;
+				gchar* _tmp11_ = NULL;
+				gchar* _tmp12_;
+				ScanDevice* _tmp13_;
+				if (!_tmp5_) {
+					i++;
+				}
+				_tmp5_ = FALSE;
+				if (!(device_list[i] != NULL)) {
+					break;
+				}
+				g_debug ("scanner.vala:330: Device: name=\"%s\" vendor=\"%s\" model=\"%s\" type=" \
+"\"%s\"", device_list[i]->name, device_list[i]->vendor, device_list[i]->model, device_list[i]->type);
+				_tmp6_ = scan_device_new ();
+				scan_device = _tmp6_;
+				_tmp7_ = g_strdup (device_list[i]->name);
+				_g_free0 (scan_device->name);
+				scan_device->name = _tmp7_;
+				_tmp8_ = g_strdup (device_list[i]->vendor);
+				vendor = _tmp8_;
+				if (g_strcmp0 (vendor, "Hewlett-Packard") == 0) {
+					gchar* _tmp9_;
+					_tmp9_ = g_strdup ("HP");
+					_g_free0 (vendor);
+					vendor = _tmp9_;
+				}
+				_tmp10_ = g_strdup_printf ("%s %s", vendor, device_list[i]->model);
+				_g_free0 (scan_device->label);
+				scan_device->label = _tmp10_;
+				_tmp11_ = string_replace (scan_device->label, "_", " ");
+				_tmp12_ = _tmp11_;
+				_g_free0 (_tmp12_);
+				_tmp13_ = _scan_device_ref0 (scan_device);
+				devices = g_list_append (devices, _tmp13_);
+				_g_free0 (vendor);
+				_scan_device_unref0 (scan_device);
+			}
+		}
+	}
+	devices = g_list_sort (devices, _scanner_compare_devices_gcompare_func);
+	self->priv->need_redetect = FALSE;
+	self->priv->state = SCAN_STATE_IDLE;
+	if (devices != NULL) {
+		gconstpointer _tmp14_ = NULL;
+		ScanDevice* _tmp15_;
+		ScanDevice* device;
+		gchar* _tmp16_;
+		_tmp14_ = g_list_nth_data (devices, (guint) 0);
+		_tmp15_ = _scan_device_ref0 ((ScanDevice*) _tmp14_);
+		device = _tmp15_;
+		_tmp16_ = g_strdup (device->name);
+		_g_free0 (self->priv->default_device);
+		self->priv->default_device = _tmp16_;
+		_scan_device_unref0 (device);
+	} else {
+		_g_free0 (self->priv->default_device);
+		self->priv->default_device = NULL;
+	}
+	_tmp17_ = devices;
+	devices = NULL;
+	_tmp18_ = notify_update_devices_new (_tmp17_);
+	_tmp19_ = _tmp18_;
+	scanner_notify (self, (Notify*) _tmp19_);
+	_notify_unref0 (_tmp19_);
+	__g_list_free__scan_device_unref0_0 (devices);
+}
+
+
+static gboolean scanner_set_default_option (Scanner* self, SANE_Handle handle, const SANE_Option_Descriptor* option, SANE_Int option_index) {
+	gboolean result = FALSE;
+	SANE_Status _tmp0_;
+	SANE_Status status;
+	gchar* _tmp1_ = NULL;
+	gchar* _tmp2_;
+	g_return_val_if_fail (self != NULL, FALSE);
+	g_return_val_if_fail (option != NULL, FALSE);
+	if (((gint) (option->cap & SANE_CAP_AUTOMATIC)) == 0) {
+		result = FALSE;
+		return result;
+	}
+	_tmp0_ = sane_control_option (handle, option_index, SANE_ACTION_SET_AUTO, NULL, NULL);
+	status = _tmp0_;
+	_tmp1_ = sane_status_to_string (status);
+	_tmp2_ = _tmp1_;
+	g_debug ("scanner.vala:372: sane_control_option (%d, SANE_ACTION_SET_AUTO) -> %s", (gint) option_index, _tmp2_);
+	_g_free0 (_tmp2_);
+	if (status != SANE_STATUS_GOOD) {
+		const gchar* _tmp3_ = NULL;
+		_tmp3_ = sane_strstatus (status);
+		g_warning ("scanner.vala:374: Error setting default option %s: %s", option->name, _tmp3_);
+	}
+	result = status == SANE_STATUS_GOOD;
+	return result;
+}
+
+
+static void scanner_set_bool_option (Scanner* self, SANE_Handle handle, const SANE_Option_Descriptor* option, SANE_Int option_index, gboolean value, gboolean* _result_) {
+	gboolean _result = FALSE;
+	SANE_Bool v;
+	SANE_Status _tmp0_;
+	SANE_Status status;
+	const gchar* _tmp1_ = NULL;
+	const gchar* _tmp2_ = NULL;
+	gchar* _tmp3_ = NULL;
+	gchar* _tmp4_;
+	g_return_if_fail (self != NULL);
+	g_return_if_fail (option != NULL);
+	g_return_if_fail (option->type == SANE_TYPE_BOOL);
+	v = (SANE_Bool) value;
+	_tmp0_ = sane_control_option (handle, option_index, SANE_ACTION_SET_VALUE, &v, NULL);
+	status = _tmp0_;
+	_result = (gboolean) v;
+	if (value) {
+		_tmp1_ = "SANE_TRUE";
+	} else {
+		_tmp1_ = "SANE_FALSE";
+	}
+	if (_result) {
+		_tmp2_ = "SANE_TRUE";
+	} else {
+		_tmp2_ = "SANE_FALSE";
+	}
+	_tmp3_ = sane_status_to_string (status);
+	_tmp4_ = _tmp3_;
+	g_debug ("scanner.vala:386: sane_control_option (%d, SANE_ACTION_SET_VALUE, %s) " \
+"-> (%s, %s)", (gint) option_index, _tmp1_, _tmp4_, _tmp2_);
+	_g_free0 (_tmp4_);
+	if (_result_) {
+		*_result_ = _result;
+	}
+}
+
+
+static void scanner_set_int_option (Scanner* self, SANE_Handle handle, const SANE_Option_Descriptor* option, SANE_Int option_index, gint value, gint* _result_) {
+	gint _result = 0;
+	SANE_Int v;
+	SANE_Status _tmp2_;
+	SANE_Status status;
+	gchar* _tmp3_ = NULL;
+	gchar* _tmp4_;
+	g_return_if_fail (self != NULL);
+	g_return_if_fail (option != NULL);
+	g_return_if_fail (option->type == SANE_TYPE_INT);
+	v = (SANE_Int) value;
+	if (option->constraint_type == SANE_CONSTRAINT_RANGE) {
+		if (((gint) option->constraint.range->quant) != 0) {
+			v = v * option->constraint.range->quant;
+		}
+		if (v < ((SANE_Int) option->constraint.range->min)) {
+			v = (SANE_Int) option->constraint.range->min;
+		}
+		if (v > ((SANE_Int) option->constraint.range->max)) {
+			v = (SANE_Int) option->constraint.range->max;
+		}
+	} else {
+		if (option->constraint_type == SANE_CONSTRAINT_WORD_LIST) {
+			gint distance;
+			gint nearest;
+			distance = G_MAXINT;
+			nearest = 0;
+			{
+				gint i;
+				i = 0;
+				{
+					gboolean _tmp0_;
+					_tmp0_ = TRUE;
+					while (TRUE) {
+						gint x;
+						gint _tmp1_;
+						gint d;
+						if (!_tmp0_) {
+							i++;
+						}
+						_tmp0_ = FALSE;
+						if (!(i < ((gint) option->constraint.word_list[0]))) {
+							break;
+						}
+						x = (gint) option->constraint.word_list[i + 1];
+						_tmp1_ = abs (x - v);
+						d = _tmp1_;
+						if (d < distance) {
+							distance = d;
+							nearest = x;
+						}
+					}
+				}
+			}
+			v = (SANE_Int) nearest;
+		}
+	}
+	_tmp2_ = sane_control_option (handle, option_index, SANE_ACTION_SET_VALUE, &v, NULL);
+	status = _tmp2_;
+	_tmp3_ = sane_status_to_string (status);
+	_tmp4_ = _tmp3_;
+	g_debug ("scanner.vala:422: sane_control_option (%d, SANE_ACTION_SET_VALUE, %d) " \
+"-> (%s, %d)", (gint) option_index, value, _tmp4_, (gint) v);
+	_g_free0 (_tmp4_);
+	_result = (gint) v;
+	if (_result_) {
+		*_result_ = _result;
+	}
+}
+
+
+static void scanner_set_fixed_option (Scanner* self, SANE_Handle handle, const SANE_Option_Descriptor* option, SANE_Int option_index, gdouble value, gdouble* _result_) {
+	gdouble _result = 0.0;
+	gdouble v;
+	SANE_Fixed v_fixed;
+	SANE_Fixed _tmp6_;
+	SANE_Status _tmp7_;
+	SANE_Status status;
+	gchar* _tmp8_ = NULL;
+	gchar* _tmp9_;
+	gdouble _tmp10_;
+	gdouble _tmp11_;
+	g_return_if_fail (self != NULL);
+	g_return_if_fail (option != NULL);
+	v = value;
+	g_return_if_fail (option->type == SANE_TYPE_FIXED);
+	if (option->constraint_type == SANE_CONSTRAINT_RANGE) {
+		gdouble _tmp0_;
+		gdouble min;
+		gdouble _tmp1_;
+		gdouble max;
+		_tmp0_ = SANE_UNFIX ((SANE_Fixed) option->constraint.range->min);
+		min = _tmp0_;
+		_tmp1_ = SANE_UNFIX ((SANE_Fixed) option->constraint.range->max);
+		max = _tmp1_;
+		if (v < min) {
+			v = min;
+		}
+		if (v > max) {
+			v = max;
+		}
+	} else {
+		if (option->constraint_type == SANE_CONSTRAINT_WORD_LIST) {
+			gdouble distance;
+			gdouble nearest;
+			distance = DBL_MAX;
+			nearest = 0.0;
+			{
+				gint i;
+				i = 0;
+				{
+					gboolean _tmp2_;
+					_tmp2_ = TRUE;
+					while (TRUE) {
+						gdouble _tmp3_;
+						gdouble x;
+						gdouble _tmp4_;
+						if (!_tmp2_) {
+							i++;
+						}
+						_tmp2_ = FALSE;
+						if (!(i < ((gint) option->constraint.word_list[0]))) {
+							break;
+						}
+						_tmp3_ = SANE_UNFIX ((SANE_Fixed) option->constraint.word_list[i + 1]);
+						x = _tmp3_;
+						_tmp4_ = fabs (x - v);
+						if (_tmp4_ < distance) {
+							gdouble _tmp5_;
+							_tmp5_ = fabs (x - v);
+							distance = _tmp5_;
+							nearest = x;
+						}
+					}
+				}
+			}
+			v = nearest;
+		}
+	}
+	_tmp6_ = SANE_FIX (v);
+	v_fixed = _tmp6_;
+	_tmp7_ = sane_control_option (handle, option_index, SANE_ACTION_SET_VALUE, &v_fixed, NULL);
+	status = _tmp7_;
+	_tmp8_ = sane_status_to_string (status);
+	_tmp9_ = _tmp8_;
+	_tmp10_ = SANE_UNFIX (v_fixed);
+	g_debug ("scanner.vala:462: sane_control_option (%d, SANE_ACTION_SET_VALUE, %f) " \
+"-> (%s, %f)", (gint) option_index, value, _tmp9_, _tmp10_);
+	_g_free0 (_tmp9_);
+	_tmp11_ = SANE_UNFIX (v_fixed);
+	_result = _tmp11_;
+	if (_result_) {
+		*_result_ = _result;
+	}
+}
+
+
+static gchar string_get (const gchar* self, glong index) {
+	gchar result = '\0';
+	g_return_val_if_fail (self != NULL, '\0');
+	result = ((gchar*) self)[index];
+	return result;
+}
+
+
+static gboolean scanner_set_string_option (Scanner* self, SANE_Handle handle, const SANE_Option_Descriptor* option, SANE_Int option_index, const gchar* value, gchar** _result_) {
+	gchar* _result = NULL;
+	gboolean result = FALSE;
+	gchar* _tmp0_ = NULL;
+	gchar* s;
+	gint s_length1;
+	gint _s_size_;
+	gint i;
+	SANE_Status _tmp5_;
+	SANE_Status status;
+	gchar* _tmp6_;
+	gchar* _tmp7_ = NULL;
+	gchar* _tmp8_;
+	g_return_val_if_fail (self != NULL, FALSE);
+	g_return_val_if_fail (option != NULL, FALSE);
+	g_return_val_if_fail (value != NULL, FALSE);
+	g_return_val_if_fail (option->type == SANE_TYPE_STRING, FALSE);
+	_tmp0_ = g_new0 (gchar, option->size);
+	s = _tmp0_;
+	s_length1 = option->size;
+	_s_size_ = s_length1;
+	i = 0;
+	{
+		gboolean _tmp1_;
+		_tmp1_ = TRUE;
+		while (TRUE) {
+			gboolean _tmp2_ = FALSE;
+			gchar _tmp4_;
+			if (!_tmp1_) {
+				i++;
+			}
+			_tmp1_ = FALSE;
+			if (i < (option->size - 1)) {
+				gchar _tmp3_;
+				_tmp3_ = string_get (value, (glong) i);
+				_tmp2_ = _tmp3_ != '\0';
+			} else {
+				_tmp2_ = FALSE;
+			}
+			if (!_tmp2_) {
+				break;
+			}
+			_tmp4_ = string_get (value, (glong) i);
+			s[i] = _tmp4_;
+		}
+	}
+	s[i] = '\0';
+	_tmp5_ = sane_control_option (handle, option_index, SANE_ACTION_SET_VALUE, s, NULL);
+	status = _tmp5_;
+	_tmp6_ = g_strdup ((const gchar*) s);
+	_g_free0 (_result);
+	_result = _tmp6_;
+	_tmp7_ = sane_status_to_string (status);
+	_tmp8_ = _tmp7_;
+	g_debug ("scanner.vala:478: sane_control_option (%d, SANE_ACTION_SET_VALUE, \"%s" \
+"\") -> (%s, \"%s\")", (gint) option_index, value, _tmp8_, _result);
+	_g_free0 (_tmp8_);
+	result = status == SANE_STATUS_GOOD;
+	s = (g_free (s), NULL);
+	if (_result_) {
+		*_result_ = _result;
+	} else {
+		_g_free0 (_result);
+	}
+	return result;
+}
+
+
+static gboolean scanner_set_constrained_string_option (Scanner* self, SANE_Handle handle, const SANE_Option_Descriptor* option, SANE_Int option_index, gchar** values, int values_length1, gchar** _result_) {
+	gchar* _result = NULL;
+	gboolean result = FALSE;
+	g_return_val_if_fail (self != NULL, FALSE);
+	g_return_val_if_fail (option != NULL, FALSE);
+	g_return_val_if_fail (option->type == SANE_TYPE_STRING, FALSE);
+	g_return_val_if_fail (option->constraint_type == SANE_CONSTRAINT_STRING_LIST, FALSE);
+	{
+		gint i;
+		i = 0;
+		{
+			gboolean _tmp0_;
+			_tmp0_ = TRUE;
+			while (TRUE) {
+				gint j;
+				if (!_tmp0_) {
+					i++;
+				}
+				_tmp0_ = FALSE;
+				if (!(values[i] != NULL)) {
+					break;
+				}
+				j = 0;
+				{
+					gboolean _tmp1_;
+					_tmp1_ = TRUE;
+					while (TRUE) {
+						if (!_tmp1_) {
+							j++;
+						}
+						_tmp1_ = FALSE;
+						if (!(option->constraint.string_list[j] != NULL)) {
+							break;
+						}
+						if (g_strcmp0 (values[i], option->constraint.string_list[j]) == 0) {
+							break;
+						}
+					}
+				}
+				if (option->constraint.string_list[j] != NULL) {
+					gchar* _tmp2_ = NULL;
+					gboolean _tmp3_;
+					_tmp3_ = scanner_set_string_option (self, handle, option, option_index, values[i], &_tmp2_);
+					_g_free0 (_result);
+					_result = _tmp2_;
+					result = _tmp3_;
+					if (_result_) {
+						*_result_ = _result;
+					} else {
+						_g_free0 (_result);
+					}
+					return result;
+				}
+			}
+		}
+	}
+	result = FALSE;
+	if (_result_) {
+		*_result_ = _result;
+	} else {
+		_g_free0 (_result);
+	}
+	return result;
+}
+
+
+static void scanner_log_option (Scanner* self, SANE_Int index, const SANE_Option_Descriptor* option) {
+	gchar* _tmp0_ = NULL;
+	gchar* s;
+	gchar* _tmp16_ = NULL;
+	gchar* _tmp17_;
+	gchar* _tmp18_;
+	SANE_Int cap;
+	g_return_if_fail (self != NULL);
+	g_return_if_fail (option != NULL);
+	_tmp0_ = g_strdup_printf ("Option %d:", (gint) index);
+	s = _tmp0_;
+	if (g_strcmp0 (option->name, "") != 0) {
+		gchar* _tmp1_ = NULL;
+		gchar* _tmp2_;
+		gchar* _tmp3_;
+		_tmp1_ = g_strdup_printf (" name='%s'", option->name);
+		_tmp2_ = _tmp1_;
+		_tmp3_ = g_strconcat (s, _tmp2_, NULL);
+		_g_free0 (s);
+		s = _tmp3_;
+		_g_free0 (_tmp2_);
+	}
+	if (g_strcmp0 (option->title, "") != 0) {
+		gchar* _tmp4_ = NULL;
+		gchar* _tmp5_;
+		gchar* _tmp6_;
+		_tmp4_ = g_strdup_printf (" title='%s'", option->title);
+		_tmp5_ = _tmp4_;
+		_tmp6_ = g_strconcat (s, _tmp5_, NULL);
+		_g_free0 (s);
+		s = _tmp6_;
+		_g_free0 (_tmp5_);
+	}
+	switch (option->type) {
+		case SANE_TYPE_BOOL:
+		{
+			gchar* _tmp7_;
+			_tmp7_ = g_strconcat (s, " type=bool", NULL);
+			_g_free0 (s);
+			s = _tmp7_;
+			break;
+		}
+		case SANE_TYPE_INT:
+		{
+			gchar* _tmp8_;
+			_tmp8_ = g_strconcat (s, " type=int", NULL);
+			_g_free0 (s);
+			s = _tmp8_;
+			break;
+		}
+		case SANE_TYPE_FIXED:
+		{
+			gchar* _tmp9_;
+			_tmp9_ = g_strconcat (s, " type=fixed", NULL);
+			_g_free0 (s);
+			s = _tmp9_;
+			break;
+		}
+		case SANE_TYPE_STRING:
+		{
+			gchar* _tmp10_;
+			_tmp10_ = g_strconcat (s, " type=string", NULL);
+			_g_free0 (s);
+			s = _tmp10_;
+			break;
+		}
+		case SANE_TYPE_BUTTON:
+		{
+			gchar* _tmp11_;
+			_tmp11_ = g_strconcat (s, " type=button", NULL);
+			_g_free0 (s);
+			s = _tmp11_;
+			break;
+		}
+		case SANE_TYPE_GROUP:
+		{
+			gchar* _tmp12_;
+			_tmp12_ = g_strconcat (s, " type=group", NULL);
+			_g_free0 (s);
+			s = _tmp12_;
+			break;
+		}
+		default:
+		{
+			gchar* _tmp13_ = NULL;
+			gchar* _tmp14_;
+			gchar* _tmp15_;
+			_tmp13_ = g_strdup_printf (" type=%d", (gint) option->type);
+			_tmp14_ = _tmp13_;
+			_tmp15_ = g_strconcat (s, _tmp14_, NULL);
+			_g_free0 (s);
+			s = _tmp15_;
+			_g_free0 (_tmp14_);
+			break;
+		}
+	}
+	_tmp16_ = g_strdup_printf (" size=%d", (gint) option->size);
+	_tmp17_ = _tmp16_;
+	_tmp18_ = g_strconcat (s, _tmp17_, NULL);
+	_g_free0 (s);
+	s = _tmp18_;
+	_g_free0 (_tmp17_);
+	switch (option->unit) {
+		case SANE_UNIT_NONE:
+		{
+			break;
+		}
+		case SANE_UNIT_PIXEL:
+		{
+			gchar* _tmp19_;
+			_tmp19_ = g_strconcat (s, " unit=pixels", NULL);
+			_g_free0 (s);
+			s = _tmp19_;
+			break;
+		}
+		case SANE_UNIT_BIT:
+		{
+			gchar* _tmp20_;
+			_tmp20_ = g_strconcat (s, " unit=bits", NULL);
+			_g_free0 (s);
+			s = _tmp20_;
+			break;
+		}
+		case SANE_UNIT_MM:
+		{
+			gchar* _tmp21_;
+			_tmp21_ = g_strconcat (s, " unit=mm", NULL);
+			_g_free0 (s);
+			s = _tmp21_;
+			break;
+		}
+		case SANE_UNIT_DPI:
+		{
+			gchar* _tmp22_;
+			_tmp22_ = g_strconcat (s, " unit=dpi", NULL);
+			_g_free0 (s);
+			s = _tmp22_;
+			break;
+		}
+		case SANE_UNIT_PERCENT:
+		{
+			gchar* _tmp23_;
+			_tmp23_ = g_strconcat (s, " unit=percent", NULL);
+			_g_free0 (s);
+			s = _tmp23_;
+			break;
+		}
+		case SANE_UNIT_MICROSECOND:
+		{
+			gchar* _tmp24_;
+			_tmp24_ = g_strconcat (s, " unit=microseconds", NULL);
+			_g_free0 (s);
+			s = _tmp24_;
+			break;
+		}
+		default:
+		{
+			gchar* _tmp25_ = NULL;
+			gchar* _tmp26_;
+			gchar* _tmp27_;
+			_tmp25_ = g_strdup_printf (" unit=%d", (gint) option->unit);
+			_tmp26_ = _tmp25_;
+			_tmp27_ = g_strconcat (s, _tmp26_, NULL);
+			_g_free0 (s);
+			s = _tmp27_;
+			_g_free0 (_tmp26_);
+			break;
+		}
+	}
+	switch (option->constraint_type) {
+		case SANE_CONSTRAINT_RANGE:
+		{
+			if (option->type == SANE_TYPE_FIXED) {
+				gdouble _tmp28_;
+				gdouble _tmp29_;
+				gchar* _tmp30_ = NULL;
+				gchar* _tmp31_;
+				gchar* _tmp32_;
+				_tmp28_ = SANE_UNFIX ((SANE_Fixed) option->constraint.range->min);
+				_tmp29_ = SANE_UNFIX ((SANE_Fixed) option->constraint.range->max);
+				_tmp30_ = g_strdup_printf (" min=%f, max=%f, quant=%d", _tmp28_, _tmp29_, (gint) option->constraint.range->quant);
+				_tmp31_ = _tmp30_;
+				_tmp32_ = g_strconcat (s, _tmp31_, NULL);
+				_g_free0 (s);
+				s = _tmp32_;
+				_g_free0 (_tmp31_);
+			} else {
+				gchar* _tmp33_ = NULL;
+				gchar* _tmp34_;
+				gchar* _tmp35_;
+				_tmp33_ = g_strdup_printf (" min=%d, max=%d, quant=%d", (gint) option->constraint.range->min, (gint) option->constraint.range->max, (gint) option->constraint.range->quant);
+				_tmp34_ = _tmp33_;
+				_tmp35_ = g_strconcat (s, _tmp34_, NULL);
+				_g_free0 (s);
+				s = _tmp35_;
+				_g_free0 (_tmp34_);
+			}
+			break;
+		}
+		case SANE_CONSTRAINT_WORD_LIST:
+		{
+			gchar* _tmp36_;
+			gchar* _tmp46_;
+			_tmp36_ = g_strconcat (s, " values=[", NULL);
+			_g_free0 (s);
+			s = _tmp36_;
+			{
+				gint i;
+				i = 0;
+				{
+					gboolean _tmp37_;
+					_tmp37_ = TRUE;
+					while (TRUE) {
+						if (!_tmp37_) {
+							i++;
+						}
+						_tmp37_ = FALSE;
+						if (!(i < ((gint) option->constraint.word_list[0]))) {
+							break;
+						}
+						if (i != 0) {
+							gchar* _tmp38_;
+							_tmp38_ = g_strconcat (s, ", ", NULL);
+							_g_free0 (s);
+							s = _tmp38_;
+						}
+						if (option->type == SANE_TYPE_INT) {
+							gchar* _tmp39_ = NULL;
+							gchar* _tmp40_;
+							gchar* _tmp41_;
+							_tmp39_ = g_strdup_printf ("%d", (gint) option->constraint.word_list[i + 1]);
+							_tmp40_ = _tmp39_;
+							_tmp41_ = g_strconcat (s, _tmp40_, NULL);
+							_g_free0 (s);
+							s = _tmp41_;
+							_g_free0 (_tmp40_);
+						} else {
+							gdouble _tmp42_;
+							gchar* _tmp43_ = NULL;
+							gchar* _tmp44_;
+							gchar* _tmp45_;
+							_tmp42_ = SANE_UNFIX ((SANE_Fixed) option->constraint.word_list[i + 1]);
+							_tmp43_ = g_strdup_printf ("%f", _tmp42_);
+							_tmp44_ = _tmp43_;
+							_tmp45_ = g_strconcat (s, _tmp44_, NULL);
+							_g_free0 (s);
+							s = _tmp45_;
+							_g_free0 (_tmp44_);
+						}
+					}
+				}
+			}
+			_tmp46_ = g_strconcat (s, "]", NULL);
+			_g_free0 (s);
+			s = _tmp46_;
+			break;
+		}
+		case SANE_CONSTRAINT_STRING_LIST:
+		{
+			gchar* _tmp47_;
+			gchar* _tmp53_;
+			_tmp47_ = g_strconcat (s, " values=[", NULL);
+			_g_free0 (s);
+			s = _tmp47_;
+			{
+				gint i;
+				i = 0;
+				{
+					gboolean _tmp48_;
+					_tmp48_ = TRUE;
+					while (TRUE) {
+						gchar* _tmp50_ = NULL;
+						gchar* _tmp51_;
+						gchar* _tmp52_;
+						if (!_tmp48_) {
+							i++;
+						}
+						_tmp48_ = FALSE;
+						if (!(option->constraint.string_list[i] != NULL)) {
+							break;
+						}
+						if (i != 0) {
+							gchar* _tmp49_;
+							_tmp49_ = g_strconcat (s, ", ", NULL);
+							_g_free0 (s);
+							s = _tmp49_;
+						}
+						_tmp50_ = g_strdup_printf ("\"%s\"", option->constraint.string_list[i]);
+						_tmp51_ = _tmp50_;
+						_tmp52_ = g_strconcat (s, _tmp51_, NULL);
+						_g_free0 (s);
+						s = _tmp52_;
+						_g_free0 (_tmp51_);
+					}
+				}
+			}
+			_tmp53_ = g_strconcat (s, "]", NULL);
+			_g_free0 (s);
+			s = _tmp53_;
+			break;
+		}
+		default:
+		{
+			break;
+		}
+	}
+	cap = option->cap;
+	if (((gint) cap) != 0) {
+		gchar* _tmp54_;
+		_tmp54_ = g_strconcat (s, " cap=", NULL);
+		_g_free0 (s);
+		s = _tmp54_;
+		if (((gint) (cap & SANE_CAP_SOFT_SELECT)) != 0) {
+			gchar* _tmp56_;
+			if (g_strcmp0 (s, "") != 0) {
+				gchar* _tmp55_;
+				_tmp55_ = g_strconcat (s, ",", NULL);
+				_g_free0 (s);
+				s = _tmp55_;
+			}
+			_tmp56_ = g_strconcat (s, "soft-select", NULL);
+			_g_free0 (s);
+			s = _tmp56_;
+			cap = cap & (~SANE_CAP_SOFT_SELECT);
+		}
+		if (((gint) (cap & SANE_CAP_HARD_SELECT)) != 0) {
+			gchar* _tmp58_;
+			if (g_strcmp0 (s, "") != 0) {
+				gchar* _tmp57_;
+				_tmp57_ = g_strconcat (s, ",", NULL);
+				_g_free0 (s);
+				s = _tmp57_;
+			}
+			_tmp58_ = g_strconcat (s, "hard-select", NULL);
+			_g_free0 (s);
+			s = _tmp58_;
+			cap = cap & (~SANE_CAP_HARD_SELECT);
+		}
+		if (((gint) (cap & SANE_CAP_SOFT_DETECT)) != 0) {
+			gchar* _tmp60_;
+			if (g_strcmp0 (s, "") != 0) {
+				gchar* _tmp59_;
+				_tmp59_ = g_strconcat (s, ",", NULL);
+				_g_free0 (s);
+				s = _tmp59_;
+			}
+			_tmp60_ = g_strconcat (s, "soft-detect", NULL);
+			_g_free0 (s);
+			s = _tmp60_;
+			cap = cap & (~SANE_CAP_SOFT_DETECT);
+		}
+		if (((gint) (cap & SANE_CAP_EMULATED)) != 0) {
+			gchar* _tmp62_;
+			if (g_strcmp0 (s, "") != 0) {
+				gchar* _tmp61_;
+				_tmp61_ = g_strconcat (s, ",", NULL);
+				_g_free0 (s);
+				s = _tmp61_;
+			}
+			_tmp62_ = g_strconcat (s, "emulated", NULL);
+			_g_free0 (s);
+			s = _tmp62_;
+			cap = cap & (~SANE_CAP_EMULATED);
+		}
+		if (((gint) (cap & SANE_CAP_AUTOMATIC)) != 0) {
+			gchar* _tmp64_;
+			if (g_strcmp0 (s, "") != 0) {
+				gchar* _tmp63_;
+				_tmp63_ = g_strconcat (s, ",", NULL);
+				_g_free0 (s);
+				s = _tmp63_;
+			}
+			_tmp64_ = g_strconcat (s, "automatic", NULL);
+			_g_free0 (s);
+			s = _tmp64_;
+			cap = cap & (~SANE_CAP_AUTOMATIC);
+		}
+		if (((gint) (cap & SANE_CAP_INACTIVE)) != 0) {
+			gchar* _tmp66_;
+			if (g_strcmp0 (s, "") != 0) {
+				gchar* _tmp65_;
+				_tmp65_ = g_strconcat (s, ",", NULL);
+				_g_free0 (s);
+				s = _tmp65_;
+			}
+			_tmp66_ = g_strconcat (s, "inactive", NULL);
+			_g_free0 (s);
+			s = _tmp66_;
+			cap = cap & (~SANE_CAP_INACTIVE);
+		}
+		if (((gint) (cap & SANE_CAP_ADVANCED)) != 0) {
+			gchar* _tmp68_;
+			if (g_strcmp0 (s, "") != 0) {
+				gchar* _tmp67_;
+				_tmp67_ = g_strconcat (s, ",", NULL);
+				_g_free0 (s);
+				s = _tmp67_;
+			}
+			_tmp68_ = g_strconcat (s, "advanced", NULL);
+			_g_free0 (s);
+			s = _tmp68_;
+			cap = cap & (~SANE_CAP_ADVANCED);
+		}
+		if (((gint) cap) != 0) {
+			gchar* _tmp70_ = NULL;
+			gchar* _tmp71_;
+			gchar* _tmp72_;
+			if (g_strcmp0 (s, "") != 0) {
+				gchar* _tmp69_;
+				_tmp69_ = g_strconcat (s, ",", NULL);
+				_g_free0 (s);
+				s = _tmp69_;
+			}
+			_tmp70_ = g_strdup_printf ("%x", (guint) cap);
+			_tmp71_ = _tmp70_;
+			_tmp72_ = g_strconcat (s, _tmp71_, NULL);
+			_g_free0 (s);
+			s = _tmp72_;
+			_g_free0 (_tmp71_);
+		}
+	}
+	g_debug ("scanner.vala:665: %s", s);
+	if (option->desc != NULL) {
+		g_debug ("scanner.vala:668:   Description: %s", option->desc);
+	}
+	_g_free0 (s);
+}
+
+
+static void scanner_authorization_cb (const gchar* resource, gchar* username, int username_length1, gchar* password, int password_length1) {
+	NotifyRequestAuthorization* _tmp0_ = NULL;
+	NotifyRequestAuthorization* _tmp1_;
+	gpointer _tmp2_ = NULL;
+	Credentials* credentials;
+	g_return_if_fail (resource != NULL);
+	_tmp0_ = notify_request_authorization_new (resource);
+	_tmp1_ = _tmp0_;
+	scanner_notify (scanner_scanner_object, (Notify*) _tmp1_);
+	_notify_unref0 (_tmp1_);
+	_tmp2_ = g_async_queue_pop (scanner_scanner_object->priv->authorize_queue);
+	credentials = (Credentials*) _tmp2_;
+	{
+		gint i;
+		i = 0;
+		{
+			gboolean _tmp3_;
+			_tmp3_ = TRUE;
+			while (TRUE) {
+				gboolean _tmp4_ = FALSE;
+				gchar _tmp5_;
+				gchar _tmp6_;
+				if (!_tmp3_) {
+					i++;
+				}
+				_tmp3_ = FALSE;
+				_tmp5_ = string_get (credentials->username, (glong) i);
+				if (_tmp5_ != '\0') {
+					_tmp4_ = i < SANE_MAX_USERNAME_LEN;
+				} else {
+					_tmp4_ = FALSE;
+				}
+				if (!_tmp4_) {
+					break;
+				}
+				_tmp6_ = string_get (credentials->username, (glong) i);
+				username[i] = _tmp6_;
+			}
+		}
+	}
+	{
+		gint i;
+		i = 0;
+		{
+			gboolean _tmp7_;
+			_tmp7_ = TRUE;
+			while (TRUE) {
+				gboolean _tmp8_ = FALSE;
+				gchar _tmp9_;
+				gchar _tmp10_;
+				if (!_tmp7_) {
+					i++;
+				}
+				_tmp7_ = FALSE;
+				_tmp9_ = string_get (credentials->password, (glong) i);
+				if (_tmp9_ != '\0') {
+					_tmp8_ = i < SANE_MAX_USERNAME_LEN;
+				} else {
+					_tmp8_ = FALSE;
+				}
+				if (!_tmp8_) {
+					break;
+				}
+				_tmp10_ = string_get (credentials->password, (glong) i);
+				password[i] = _tmp10_;
+			}
+		}
+	}
+	_credentials_unref0 (credentials);
+}
+
+
+static gpointer _credentials_ref0 (gpointer self) {
+	return self ? credentials_ref (self) : NULL;
+}
+
+
+void scanner_authorize (Scanner* self, const gchar* username, const gchar* password) {
+	Credentials* _tmp0_ = NULL;
+	Credentials* credentials;
+	gchar* _tmp1_;
+	gchar* _tmp2_;
+	Credentials* _tmp3_;
+	g_return_if_fail (self != NULL);
+	g_return_if_fail (username != NULL);
+	g_return_if_fail (password != NULL);
+	_tmp0_ = credentials_new ();
+	credentials = _tmp0_;
+	_tmp1_ = g_strdup (username);
+	_g_free0 (credentials->username);
+	credentials->username = _tmp1_;
+	_tmp2_ = g_strdup (password);
+	_g_free0 (credentials->password);
+	credentials->password = _tmp2_;
+	_tmp3_ = _credentials_ref0 (credentials);
+	g_async_queue_push (self->priv->authorize_queue, _tmp3_);
+	_credentials_unref0 (credentials);
+}
+
+
+static void scanner_close_device (Scanner* self) {
+	g_return_if_fail (self != NULL);
+	if (self->priv->have_handle) {
+		sane_cancel (self->priv->handle);
+		g_debug ("scanner.vala:695: sane_cancel ()");
+		sane_close (self->priv->handle);
+		g_debug ("scanner.vala:698: sane_close ()");
+		self->priv->have_handle = FALSE;
+	}
+	self->priv->buffer = (g_free (self->priv->buffer), NULL);
+	self->priv->buffer = NULL;
+	self->priv->buffer_length1 = 0;
+	self->priv->_buffer_size_ = self->priv->buffer_length1;
+	__g_list_free__scan_job_unref0_0 (self->priv->job_queue);
+	self->priv->job_queue = NULL;
+	scanner_set_scanning (self, FALSE);
+}
+
+
+static void scanner_fail_scan (Scanner* self, gint error_code, const gchar* error_string) {
+	NotifyScanFailed* _tmp0_ = NULL;
+	NotifyScanFailed* _tmp1_;
+	g_return_if_fail (self != NULL);
+	g_return_if_fail (error_string != NULL);
+	scanner_close_device (self);
+	self->priv->state = SCAN_STATE_IDLE;
+	_tmp0_ = notify_scan_failed_new (error_code, error_string);
+	_tmp1_ = _tmp0_;
+	scanner_notify (self, (Notify*) _tmp1_);
+	_notify_unref0 (_tmp1_);
+}
+
+
+static gpointer _request_ref0 (gpointer self) {
+	return self ? request_ref (self) : NULL;
+}
+
+
+static gpointer _scan_job_ref0 (gpointer self) {
+	return self ? scan_job_ref (self) : NULL;
+}
+
+
+static gboolean scanner_handle_requests (Scanner* self) {
+	gboolean result = FALSE;
+	gboolean _tmp0_ = FALSE;
+	gint request_count;
+	g_return_val_if_fail (self != NULL, FALSE);
+	if (self->priv->state == SCAN_STATE_IDLE) {
+		_tmp0_ = self->priv->need_redetect;
+	} else {
+		_tmp0_ = FALSE;
+	}
+	if (_tmp0_) {
+		self->priv->state = SCAN_STATE_REDETECT;
+	}
+	request_count = 0;
+	while (TRUE) {
+		Request* request = NULL;
+		gboolean _tmp1_ = FALSE;
+		gboolean _tmp2_ = FALSE;
+		if (self->priv->state == SCAN_STATE_IDLE) {
+			_tmp2_ = request_count == 0;
+		} else {
+			_tmp2_ = FALSE;
+		}
+		if (_tmp2_) {
+			_tmp1_ = TRUE;
+		} else {
+			gint _tmp3_;
+			_tmp3_ = g_async_queue_length (self->priv->request_queue);
+			_tmp1_ = _tmp3_ > 0;
+		}
+		if (_tmp1_) {
+			gpointer _tmp4_ = NULL;
+			_tmp4_ = g_async_queue_pop (self->priv->request_queue);
+			_request_unref0 (request);
+			request = (Request*) _tmp4_;
+		} else {
+			result = TRUE;
+			_request_unref0 (request);
+			return result;
+		}
+		g_debug ("scanner.vala:732: Processing request");
+		request_count++;
+		if (IS_REQUEST_START_SCAN (request)) {
+			RequestStartScan* _tmp5_;
+			RequestStartScan* r;
+			ScanJob* _tmp6_;
+			_tmp5_ = _request_ref0 (REQUEST_START_SCAN (request));
+			r = _tmp5_;
+			_tmp6_ = _scan_job_ref0 (r->job);
+			self->priv->job_queue = g_list_append (self->priv->job_queue, _tmp6_);
+			_request_unref0 (r);
+		} else {
+			if (IS_REQUEST_CANCEL (request)) {
+				scanner_fail_scan (self, (gint) SANE_STATUS_CANCELLED, "Scan cancelled - do not report this error");
+			} else {
+				if (IS_REQUEST_QUIT (request)) {
+					scanner_close_device (self);
+					result = FALSE;
+					_request_unref0 (request);
+					return result;
+				}
+			}
+		}
+		_request_unref0 (request);
+	}
+}
+
+
+static void scanner_do_open (Scanner* self) {
+	ScanJob* _tmp0_;
+	ScanJob* job;
+	gboolean _tmp1_ = FALSE;
+	SANE_Handle _tmp4_;
+	SANE_Status _tmp5_;
+	SANE_Status status;
+	gchar* _tmp6_ = NULL;
+	gchar* _tmp7_;
+	gchar* _tmp10_;
+	g_return_if_fail (self != NULL);
+	_tmp0_ = _scan_job_ref0 (SCAN_JOB ((ScanJob*) self->priv->job_queue->data));
+	job = _tmp0_;
+	self->priv->line_count = 0;
+	self->priv->pass_number = 0;
+	self->priv->page_number = 0;
+	self->priv->notified_page = -1;
+	self->priv->option_index = (SANE_Int) 0;
+	self->priv->br_x_option_index = (SANE_Int) 0;
+	self->priv->br_y_option_index = (SANE_Int) 0;
+	if (job->device == NULL) {
+		_tmp1_ = self->priv->default_device != NULL;
+	} else {
+		_tmp1_ = FALSE;
+	}
+	if (_tmp1_) {
+		gchar* _tmp2_;
+		_tmp2_ = g_strdup (self->priv->default_device);
+		_g_free0 (job->device);
+		job->device = _tmp2_;
+	}
+	if (job->device == NULL) {
+		const gchar* _tmp3_ = NULL;
+		g_warning ("scanner.vala:769: No scan device available");
+		_tmp3_ = _ ("No scanners available.  Please connect a scanner.");
+		scanner_fail_scan (self, 0, _tmp3_);
+		_scan_job_unref0 (job);
+		return;
+	}
+	if (self->priv->have_handle) {
+		if (g_strcmp0 (self->priv->current_device, job->device) == 0) {
+			self->priv->state = SCAN_STATE_GET_OPTION;
+			_scan_job_unref0 (job);
+			return;
+		}
+		sane_close (self->priv->handle);
+		g_debug ("scanner.vala:786: sane_close ()");
+		self->priv->have_handle = FALSE;
+	}
+	_g_free0 (self->priv->current_device);
+	self->priv->current_device = NULL;
+	self->priv->have_handle = FALSE;
+	_tmp5_ = sane_open (job->device, &_tmp4_);
+	self->priv->handle = _tmp4_;
+	status = _tmp5_;
+	_tmp6_ = sane_status_to_string (status);
+	_tmp7_ = _tmp6_;
+	g_debug ("scanner.vala:794: sane_open (\"%s\") -> %s", job->device, _tmp7_);
+	_g_free0 (_tmp7_);
+	if (status != SANE_STATUS_GOOD) {
+		const gchar* _tmp8_ = NULL;
+		const gchar* _tmp9_ = NULL;
+		_tmp8_ = sane_strstatus (status);
+		g_warning ("scanner.vala:798: Unable to get open device: %s", _tmp8_);
+		_tmp9_ = _ ("Unable to connect to scanner");
+		scanner_fail_scan (self, (gint) status, _tmp9_);
+		_scan_job_unref0 (job);
+		return;
+	}
+	self->priv->have_handle = TRUE;
+	_tmp10_ = g_strdup (job->device);
+	_g_free0 (self->priv->current_device);
+	self->priv->current_device = _tmp10_;
+	self->priv->state = SCAN_STATE_GET_OPTION;
+	_scan_job_unref0 (job);
+}
+
+
+static void scanner_do_get_option (Scanner* self) {
+	ScanJob* _tmp0_;
+	ScanJob* job;
+	const SANE_Option_Descriptor* _tmp1_ = NULL;
+	const SANE_Option_Descriptor* option;
+	SANE_Int index;
+	g_return_if_fail (self != NULL);
+	_tmp0_ = _scan_job_ref0 (SCAN_JOB ((ScanJob*) self->priv->job_queue->data));
+	job = _tmp0_;
+	_tmp1_ = sane_get_option_descriptor (self->priv->handle, self->priv->option_index);
+	option = _tmp1_;
+	g_debug ("scanner.vala:815: sane_get_option_descriptor (%d)", (gint) self->priv->option_index);
+	index = self->priv->option_index;
+	self->priv->option_index++;
+	if (option == NULL) {
+		if (((gint) self->priv->br_x_option_index) != 0) {
+			const SANE_Option_Descriptor* _tmp2_ = NULL;
+			_tmp2_ = sane_get_option_descriptor (self->priv->handle, self->priv->br_x_option_index);
+			option = _tmp2_;
+			g_debug ("scanner.vala:825: sane_get_option_descriptor (%d)", (gint) self->priv->br_x_option_index);
+			if (option->constraint_type == SANE_CONSTRAINT_RANGE) {
+				if (option->type == SANE_TYPE_FIXED) {
+					gdouble _tmp3_;
+					_tmp3_ = SANE_UNFIX ((SANE_Fixed) option->constraint.range->max);
+					scanner_set_fixed_option (self, self->priv->handle, option, self->priv->br_x_option_index, _tmp3_, NULL);
+				} else {
+					scanner_set_int_option (self, self->priv->handle, option, self->priv->br_x_option_index, (gint) option->constraint.range->max, NULL);
+				}
+			}
+		}
+		if (((gint) self->priv->br_y_option_index) != 0) {
+			const SANE_Option_Descriptor* _tmp4_ = NULL;
+			_tmp4_ = sane_get_option_descriptor (self->priv->handle, self->priv->br_y_option_index);
+			option = _tmp4_;
+			g_debug ("scanner.vala:837: sane_get_option_descriptor (%d)", (gint) self->priv->br_y_option_index);
+			if (option->constraint_type == SANE_CONSTRAINT_RANGE) {
+				if (option->type == SANE_TYPE_FIXED) {
+					gdouble _tmp5_;
+					_tmp5_ = SANE_UNFIX ((SANE_Fixed) option->constraint.range->max);
+					scanner_set_fixed_option (self, self->priv->handle, option, self->priv->br_y_option_index, _tmp5_, NULL);
+				} else {
+					scanner_set_int_option (self, self->priv->handle, option, self->priv->br_y_option_index, (gint) option->constraint.range->max, NULL);
+				}
+			}
+		}
+		self->priv->state = SCAN_STATE_START;
+		_scan_job_unref0 (job);
+		return;
+	}
+	scanner_log_option (self, index, option);
+	if (option->type == SANE_TYPE_GROUP) {
+		_scan_job_unref0 (job);
+		return;
+	}
+	if (((gint) (option->cap & SANE_CAP_INACTIVE)) != 0) {
+		_scan_job_unref0 (job);
+		return;
+	}
+	if (option->name == NULL) {
+		_scan_job_unref0 (job);
+		return;
+	}
+	if (g_strcmp0 (option->name, SANE_NAME_SCAN_RESOLUTION) == 0) {
+		if (option->type == SANE_TYPE_FIXED) {
+			gdouble _tmp6_;
+			scanner_set_fixed_option (self, self->priv->handle, option, index, job->dpi, &_tmp6_);
+			job->dpi = _tmp6_;
+		} else {
+			gint dpi = 0;
+			gint _tmp7_;
+			scanner_set_int_option (self, self->priv->handle, option, index, (gint) job->dpi, &_tmp7_);
+			dpi = _tmp7_;
+			job->dpi = (gdouble) dpi;
+		}
+	} else {
+		if (g_strcmp0 (option->name, SANE_NAME_SCAN_SOURCE) == 0) {
+			gchar* _tmp8_;
+			const gchar* _tmp9_ = NULL;
+			gchar* _tmp10_;
+			gchar* _tmp11_;
+			const gchar* _tmp12_ = NULL;
+			gchar* _tmp13_;
+			gchar* _tmp14_;
+			gchar* _tmp15_;
+			const gchar* _tmp16_ = NULL;
+			gchar* _tmp17_;
+			gchar** _tmp18_ = NULL;
+			gchar** flatbed_sources;
+			gint flatbed_sources_length1;
+			gint _flatbed_sources_size_;
+			gchar* _tmp19_;
+			const gchar* _tmp20_ = NULL;
+			gchar* _tmp21_;
+			gchar* _tmp22_;
+			gchar* _tmp23_;
+			gchar* _tmp24_;
+			gchar** _tmp25_ = NULL;
+			gchar** adf_sources;
+			gint adf_sources_length1;
+			gint _adf_sources_size_;
+			gchar* _tmp26_;
+			const gchar* _tmp27_ = NULL;
+			gchar* _tmp28_;
+			gchar** _tmp29_ = NULL;
+			gchar** adf_front_sources;
+			gint adf_front_sources_length1;
+			gint _adf_front_sources_size_;
+			gchar* _tmp30_;
+			const gchar* _tmp31_ = NULL;
+			gchar* _tmp32_;
+			gchar** _tmp33_ = NULL;
+			gchar** adf_back_sources;
+			gint adf_back_sources_length1;
+			gint _adf_back_sources_size_;
+			gchar* _tmp34_;
+			const gchar* _tmp35_ = NULL;
+			gchar* _tmp36_;
+			gchar** _tmp37_ = NULL;
+			gchar** adf_duplex_sources;
+			gint adf_duplex_sources_length1;
+			gint _adf_duplex_sources_size_;
+			_tmp8_ = g_strdup ("Auto");
+			_tmp9_ = SANE_I18N ("Auto");
+			_tmp10_ = g_strdup (_tmp9_);
+			_tmp11_ = g_strdup ("Flatbed");
+			_tmp12_ = SANE_I18N ("Flatbed");
+			_tmp13_ = g_strdup (_tmp12_);
+			_tmp14_ = g_strdup ("FlatBed");
+			_tmp15_ = g_strdup ("Normal");
+			_tmp16_ = SANE_I18N ("Normal");
+			_tmp17_ = g_strdup (_tmp16_);
+			_tmp18_ = g_new0 (gchar*, 7 + 1);
+			_tmp18_[0] = _tmp8_;
+			_tmp18_[1] = _tmp10_;
+			_tmp18_[2] = _tmp11_;
+			_tmp18_[3] = _tmp13_;
+			_tmp18_[4] = _tmp14_;
+			_tmp18_[5] = _tmp15_;
+			_tmp18_[6] = _tmp17_;
+			flatbed_sources = _tmp18_;
+			flatbed_sources_length1 = 7;
+			_flatbed_sources_size_ = flatbed_sources_length1;
+			_tmp19_ = g_strdup ("Automatic Document Feeder");
+			_tmp20_ = SANE_I18N ("Automatic Document Feeder");
+			_tmp21_ = g_strdup (_tmp20_);
+			_tmp22_ = g_strdup ("ADF");
+			_tmp23_ = g_strdup ("Automatic Document Feeder(left aligned)");
+			_tmp24_ = g_strdup ("Automatic Document Feeder(centrally aligned)");
+			_tmp25_ = g_new0 (gchar*, 5 + 1);
+			_tmp25_[0] = _tmp19_;
+			_tmp25_[1] = _tmp21_;
+			_tmp25_[2] = _tmp22_;
+			_tmp25_[3] = _tmp23_;
+			_tmp25_[4] = _tmp24_;
+			adf_sources = _tmp25_;
+			adf_sources_length1 = 5;
+			_adf_sources_size_ = adf_sources_length1;
+			_tmp26_ = g_strdup ("ADF Front");
+			_tmp27_ = SANE_I18N ("ADF Front");
+			_tmp28_ = g_strdup (_tmp27_);
+			_tmp29_ = g_new0 (gchar*, 2 + 1);
+			_tmp29_[0] = _tmp26_;
+			_tmp29_[1] = _tmp28_;
+			adf_front_sources = _tmp29_;
+			adf_front_sources_length1 = 2;
+			_adf_front_sources_size_ = adf_front_sources_length1;
+			_tmp30_ = g_strdup ("ADF Back");
+			_tmp31_ = SANE_I18N ("ADF Back");
+			_tmp32_ = g_strdup (_tmp31_);
+			_tmp33_ = g_new0 (gchar*, 2 + 1);
+			_tmp33_[0] = _tmp30_;
+			_tmp33_[1] = _tmp32_;
+			adf_back_sources = _tmp33_;
+			adf_back_sources_length1 = 2;
+			_adf_back_sources_size_ = adf_back_sources_length1;
+			_tmp34_ = g_strdup ("ADF Duplex");
+			_tmp35_ = SANE_I18N ("ADF Duplex");
+			_tmp36_ = g_strdup (_tmp35_);
+			_tmp37_ = g_new0 (gchar*, 2 + 1);
+			_tmp37_[0] = _tmp34_;
+			_tmp37_[1] = _tmp36_;
+			adf_duplex_sources = _tmp37_;
+			adf_duplex_sources_length1 = 2;
+			_adf_duplex_sources_size_ = adf_duplex_sources_length1;
+			switch (job->type) {
+				case SCAN_TYPE_SINGLE:
+				{
+					gboolean _tmp38_;
+					_tmp38_ = scanner_set_default_option (self, self->priv->handle, option, index);
+					if (!_tmp38_) {
+						gboolean _tmp39_;
+						_tmp39_ = scanner_set_constrained_string_option (self, self->priv->handle, option, index, flatbed_sources, flatbed_sources_length1, NULL);
+						if (!_tmp39_) {
+							g_warning ("scanner.vala:921: Unable to set single page source, please file a bug");
+						}
+					}
+					break;
+				}
+				case SCAN_TYPE_ADF_FRONT:
+				{
+					gboolean _tmp40_;
+					_tmp40_ = scanner_set_constrained_string_option (self, self->priv->handle, option, index, adf_front_sources, adf_front_sources_length1, NULL);
+					if (!_tmp40_) {
+						gboolean _tmp41_;
+						_tmp41_ = scanner_set_constrained_string_option (self, self->priv->handle, option, index, adf_sources, adf_sources_length1, NULL);
+						if (!(!_tmp41_)) {
+							g_warning ("scanner.vala:926: Unable to set front ADF source, please file a bug");
+						}
+					}
+					break;
+				}
+				case SCAN_TYPE_ADF_BACK:
+				{
+					gboolean _tmp42_;
+					_tmp42_ = scanner_set_constrained_string_option (self, self->priv->handle, option, index, adf_back_sources, adf_back_sources_length1, NULL);
+					if (!_tmp42_) {
+						gboolean _tmp43_;
+						_tmp43_ = scanner_set_constrained_string_option (self, self->priv->handle, option, index, adf_sources, adf_sources_length1, NULL);
+						if (!_tmp43_) {
+							g_warning ("scanner.vala:931: Unable to set back ADF source, please file a bug");
+						}
+					}
+					break;
+				}
+				case SCAN_TYPE_ADF_BOTH:
+				{
+					gboolean _tmp44_;
+					_tmp44_ = scanner_set_constrained_string_option (self, self->priv->handle, option, index, adf_duplex_sources, adf_duplex_sources_length1, NULL);
+					if (!_tmp44_) {
+						gboolean _tmp45_;
+						_tmp45_ = scanner_set_constrained_string_option (self, self->priv->handle, option, index, adf_sources, adf_sources_length1, NULL);
+						if (!_tmp45_) {
+							g_warning ("scanner.vala:936: Unable to set duplex ADF source, please file a bug");
+						}
+					}
+					break;
+				}
+				default:
+				break;
+			}
+			adf_duplex_sources = (_vala_array_free (adf_duplex_sources, adf_duplex_sources_length1, (GDestroyNotify) g_free), NULL);
+			adf_back_sources = (_vala_array_free (adf_back_sources, adf_back_sources_length1, (GDestroyNotify) g_free), NULL);
+			adf_front_sources = (_vala_array_free (adf_front_sources, adf_front_sources_length1, (GDestroyNotify) g_free), NULL);
+			adf_sources = (_vala_array_free (adf_sources, adf_sources_length1, (GDestroyNotify) g_free), NULL);
+			flatbed_sources = (_vala_array_free (flatbed_sources, flatbed_sources_length1, (GDestroyNotify) g_free), NULL);
+		} else {
+			if (g_strcmp0 (option->name, "duplex") == 0) {
+				if (option->type == SANE_TYPE_BOOL) {
+					scanner_set_bool_option (self, self->priv->handle, option, index, job->type == SCAN_TYPE_ADF_BOTH, NULL);
+				}
+			} else {
+				if (g_strcmp0 (option->name, "batch-scan") == 0) {
+					if (option->type == SANE_TYPE_BOOL) {
+						scanner_set_bool_option (self, self->priv->handle, option, index, job->type != SCAN_TYPE_SINGLE, NULL);
+					}
+				} else {
+					if (g_strcmp0 (option->name, SANE_NAME_BIT_DEPTH) == 0) {
+						if (job->depth > 0) {
+							scanner_set_int_option (self, self->priv->handle, option, index, job->depth, NULL);
+						}
+					} else {
+						if (g_strcmp0 (option->name, SANE_NAME_SCAN_MODE) == 0) {
+							gchar* _tmp46_;
+							gchar* _tmp47_;
+							gchar* _tmp48_;
+							gchar** _tmp49_ = NULL;
+							gchar** color_scan_modes;
+							gint color_scan_modes_length1;
+							gint _color_scan_modes_size_;
+							gchar* _tmp50_;
+							gchar* _tmp51_;
+							gchar* _tmp52_;
+							const gchar* _tmp53_ = NULL;
+							gchar* _tmp54_;
+							gchar* _tmp55_;
+							gchar** _tmp56_ = NULL;
+							gchar** gray_scan_modes;
+							gint gray_scan_modes_length1;
+							gint _gray_scan_modes_size_;
+							gchar* _tmp57_;
+							gchar* _tmp58_;
+							gchar* _tmp59_;
+							const gchar* _tmp60_ = NULL;
+							gchar* _tmp61_;
+							gchar* _tmp62_;
+							const gchar* _tmp63_ = NULL;
+							gchar* _tmp64_;
+							gchar* _tmp65_;
+							const gchar* _tmp66_ = NULL;
+							gchar* _tmp67_;
+							gchar* _tmp68_;
+							gchar* _tmp69_;
+							gchar* _tmp70_;
+							gchar* _tmp71_;
+							const gchar* _tmp72_ = NULL;
+							gchar* _tmp73_;
+							gchar* _tmp74_;
+							gchar** _tmp75_ = NULL;
+							gchar** lineart_scan_modes;
+							gint lineart_scan_modes_length1;
+							gint _lineart_scan_modes_size_;
+							_tmp46_ = g_strdup (SANE_VALUE_SCAN_MODE_COLOR);
+							_tmp47_ = g_strdup ("Color");
+							_tmp48_ = g_strdup ("24bit Color");
+							_tmp49_ = g_new0 (gchar*, 3 + 1);
+							_tmp49_[0] = _tmp46_;
+							_tmp49_[1] = _tmp47_;
+							_tmp49_[2] = _tmp48_;
+							color_scan_modes = _tmp49_;
+							color_scan_modes_length1 = 3;
+							_color_scan_modes_size_ = color_scan_modes_length1;
+							_tmp50_ = g_strdup (SANE_VALUE_SCAN_MODE_GRAY);
+							_tmp51_ = g_strdup ("Gray");
+							_tmp52_ = g_strdup ("Grayscale");
+							_tmp53_ = SANE_I18N ("Grayscale");
+							_tmp54_ = g_strdup (_tmp53_);
+							_tmp55_ = g_strdup ("True Gray");
+							_tmp56_ = g_new0 (gchar*, 5 + 1);
+							_tmp56_[0] = _tmp50_;
+							_tmp56_[1] = _tmp51_;
+							_tmp56_[2] = _tmp52_;
+							_tmp56_[3] = _tmp54_;
+							_tmp56_[4] = _tmp55_;
+							gray_scan_modes = _tmp56_;
+							gray_scan_modes_length1 = 5;
+							_gray_scan_modes_size_ = gray_scan_modes_length1;
+							_tmp57_ = g_strdup (SANE_VALUE_SCAN_MODE_LINEART);
+							_tmp58_ = g_strdup ("Lineart");
+							_tmp59_ = g_strdup ("LineArt");
+							_tmp60_ = SANE_I18N ("LineArt");
+							_tmp61_ = g_strdup (_tmp60_);
+							_tmp62_ = g_strdup ("Black & White");
+							_tmp63_ = SANE_I18N ("Black & White");
+							_tmp64_ = g_strdup (_tmp63_);
+							_tmp65_ = g_strdup ("Binary");
+							_tmp66_ = SANE_I18N ("Binary");
+							_tmp67_ = g_strdup (_tmp66_);
+							_tmp68_ = g_strdup ("Thresholded");
+							_tmp69_ = g_strdup (SANE_VALUE_SCAN_MODE_GRAY);
+							_tmp70_ = g_strdup ("Gray");
+							_tmp71_ = g_strdup ("Grayscale");
+							_tmp72_ = SANE_I18N ("Grayscale");
+							_tmp73_ = g_strdup (_tmp72_);
+							_tmp74_ = g_strdup ("True Gray");
+							_tmp75_ = g_new0 (gchar*, 14 + 1);
+							_tmp75_[0] = _tmp57_;
+							_tmp75_[1] = _tmp58_;
+							_tmp75_[2] = _tmp59_;
+							_tmp75_[3] = _tmp61_;
+							_tmp75_[4] = _tmp62_;
+							_tmp75_[5] = _tmp64_;
+							_tmp75_[6] = _tmp65_;
+							_tmp75_[7] = _tmp67_;
+							_tmp75_[8] = _tmp68_;
+							_tmp75_[9] = _tmp69_;
+							_tmp75_[10] = _tmp70_;
+							_tmp75_[11] = _tmp71_;
+							_tmp75_[12] = _tmp73_;
+							_tmp75_[13] = _tmp74_;
+							lineart_scan_modes = _tmp75_;
+							lineart_scan_modes_length1 = 14;
+							_lineart_scan_modes_size_ = lineart_scan_modes_length1;
+							switch (job->scan_mode) {
+								case SCAN_MODE_COLOR:
+								{
+									gboolean _tmp76_;
+									_tmp76_ = scanner_set_constrained_string_option (self, self->priv->handle, option, index, color_scan_modes, color_scan_modes_length1, NULL);
+									if (!_tmp76_) {
+										g_warning ("scanner.vala:994: Unable to set Color mode, please file a bug");
+									}
+									break;
+								}
+								case SCAN_MODE_GRAY:
+								{
+									gboolean _tmp77_;
+									_tmp77_ = scanner_set_constrained_string_option (self, self->priv->handle, option, index, gray_scan_modes, gray_scan_modes_length1, NULL);
+									if (!_tmp77_) {
+										g_warning ("scanner.vala:998: Unable to set Gray mode, please file a bug");
+									}
+									break;
+								}
+								case SCAN_MODE_LINEART:
+								{
+									gboolean _tmp78_;
+									_tmp78_ = scanner_set_constrained_string_option (self, self->priv->handle, option, index, lineart_scan_modes, lineart_scan_modes_length1, NULL);
+									if (!_tmp78_) {
+										g_warning ("scanner.vala:1002: Unable to set Lineart mode, please file a bug");
+									}
+									break;
+								}
+								default:
+								{
+									break;
+								}
+							}
+							lineart_scan_modes = (_vala_array_free (lineart_scan_modes, lineart_scan_modes_length1, (GDestroyNotify) g_free), NULL);
+							gray_scan_modes = (_vala_array_free (gray_scan_modes, gray_scan_modes_length1, (GDestroyNotify) g_free), NULL);
+							color_scan_modes = (_vala_array_free (color_scan_modes, color_scan_modes_length1, (GDestroyNotify) g_free), NULL);
+						} else {
+							if (g_strcmp0 (option->name, "compression") == 0) {
+								const gchar* _tmp79_ = NULL;
+								gchar* _tmp80_;
+								const gchar* _tmp81_ = NULL;
+								gchar* _tmp82_;
+								gchar* _tmp83_;
+								gchar* _tmp84_;
+								gchar** _tmp85_ = NULL;
+								gchar** disable_compression_names;
+								gint disable_compression_names_length1;
+								gint _disable_compression_names_size_;
+								gboolean _tmp86_;
+								_tmp79_ = SANE_I18N ("None");
+								_tmp80_ = g_strdup (_tmp79_);
+								_tmp81_ = SANE_I18N ("none");
+								_tmp82_ = g_strdup (_tmp81_);
+								_tmp83_ = g_strdup ("None");
+								_tmp84_ = g_strdup ("none");
+								_tmp85_ = g_new0 (gchar*, 4 + 1);
+								_tmp85_[0] = _tmp80_;
+								_tmp85_[1] = _tmp82_;
+								_tmp85_[2] = _tmp83_;
+								_tmp85_[3] = _tmp84_;
+								disable_compression_names = _tmp85_;
+								disable_compression_names_length1 = 4;
+								_disable_compression_names_size_ = disable_compression_names_length1;
+								_tmp86_ = scanner_set_constrained_string_option (self, self->priv->handle, option, index, disable_compression_names, disable_compression_names_length1, NULL);
+								if (!_tmp86_) {
+									g_warning ("scanner.vala:1020: Unable to disable compression, please file a bug");
+								}
+								disable_compression_names = (_vala_array_free (disable_compression_names, disable_compression_names_length1, (GDestroyNotify) g_free), NULL);
+							} else {
+								if (g_strcmp0 (option->name, SANE_NAME_SCAN_BR_X) == 0) {
+									self->priv->br_x_option_index = index;
+								} else {
+									if (g_strcmp0 (option->name, SANE_NAME_SCAN_BR_Y) == 0) {
+										self->priv->br_y_option_index = index;
+									} else {
+										if (g_strcmp0 (option->name, SANE_NAME_PAGE_WIDTH) == 0) {
+											if (((gdouble) job->page_width) > 0.0) {
+												if (option->type == SANE_TYPE_FIXED) {
+													scanner_set_fixed_option (self, self->priv->handle, option, index, job->page_width / 10.0, NULL);
+												} else {
+													scanner_set_int_option (self, self->priv->handle, option, index, job->page_width / 10, NULL);
+												}
+											}
+										} else {
+											if (g_strcmp0 (option->name, SANE_NAME_PAGE_HEIGHT) == 0) {
+												if (((gdouble) job->page_height) > 0.0) {
+													if (option->type == SANE_TYPE_FIXED) {
+														scanner_set_fixed_option (self, self->priv->handle, option, index, job->page_height / 10.0, NULL);
+													} else {
+														scanner_set_int_option (self, self->priv->handle, option, index, job->page_height / 10, NULL);
+													}
+												}
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+	if (g_strcmp0 (self->priv->current_device, "test") == 0) {
+		if (g_strcmp0 (option->name, "hand-scanner") == 0) {
+			scanner_set_bool_option (self, self->priv->handle, option, index, FALSE, NULL);
+		} else {
+			if (g_strcmp0 (option->name, "three-pass") == 0) {
+				scanner_set_bool_option (self, self->priv->handle, option, index, FALSE, NULL);
+			} else {
+				if (g_strcmp0 (option->name, "test-picture") == 0) {
+					scanner_set_string_option (self, self->priv->handle, option, index, "Color pattern", NULL);
+				} else {
+					if (g_strcmp0 (option->name, "read-delay") == 0) {
+						scanner_set_bool_option (self, self->priv->handle, option, index, TRUE, NULL);
+					} else {
+						if (g_strcmp0 (option->name, "read-delay-duration") == 0) {
+							scanner_set_int_option (self, self->priv->handle, option, index, 200000, NULL);
+						}
+					}
+				}
+			}
+		}
+	}
+	_scan_job_unref0 (job);
+}
+
+
+static void scanner_do_complete_document (Scanner* self) {
+	NotifyDocumentDone* _tmp0_ = NULL;
+	NotifyDocumentDone* _tmp1_;
+	g_return_if_fail (self != NULL);
+	self->priv->job_queue = g_list_remove_link (self->priv->job_queue, self->priv->job_queue);
+	self->priv->state = SCAN_STATE_IDLE;
+	if (self->priv->job_queue != NULL) {
+		self->priv->state = SCAN_STATE_OPEN;
+		return;
+	}
+	_tmp0_ = notify_document_done_new ();
+	_tmp1_ = _tmp0_;
+	scanner_notify (self, (Notify*) _tmp1_);
+	_notify_unref0 (_tmp1_);
+	scanner_set_scanning (self, FALSE);
+}
+
+
+static void scanner_do_start (Scanner* self) {
+	SANE_Status status = 0;
+	NotifyExpectPage* _tmp0_ = NULL;
+	NotifyExpectPage* _tmp1_;
+	SANE_Status _tmp2_;
+	gchar* _tmp3_ = NULL;
+	gchar* _tmp4_;
+	g_return_if_fail (self != NULL);
+	_tmp0_ = notify_expect_page_new ();
+	_tmp1_ = _tmp0_;
+	scanner_notify (self, (Notify*) _tmp1_);
+	_notify_unref0 (_tmp1_);
+	_tmp2_ = sane_start (self->priv->handle);
+	status = _tmp2_;
+	_tmp3_ = sane_status_to_string (status);
+	_tmp4_ = _tmp3_;
+	g_debug ("scanner.vala:1090: sane_start (page=%d, pass=%d) -> %s", self->priv->page_number, self->priv->pass_number, _tmp4_);
+	_g_free0 (_tmp4_);
+	if (status == SANE_STATUS_GOOD) {
+		self->priv->state = SCAN_STATE_GET_PARAMETERS;
+	} else {
+		if (status == SANE_STATUS_NO_DOCS) {
+			scanner_do_complete_document (self);
+		} else {
+			const gchar* _tmp5_ = NULL;
+			const gchar* _tmp6_ = NULL;
+			_tmp5_ = sane_strstatus (status);
+			g_warning ("scanner.vala:1097: Unable to start device: %s", _tmp5_);
+			_tmp6_ = _ ("Unable to start scan");
+			scanner_fail_scan (self, (gint) status, _tmp6_);
+		}
+	}
+}
+
+
+static gchar* sane_frame_to_string (SANE_Frame frame) {
+	gchar* result = NULL;
+	switch (frame) {
+		case SANE_FRAME_GRAY:
+		{
+			gchar* _tmp0_;
+			_tmp0_ = g_strdup ("SANE_FRAME_GRAY");
+			result = _tmp0_;
+			return result;
+		}
+		case SANE_FRAME_RGB:
+		{
+			gchar* _tmp1_;
+			_tmp1_ = g_strdup ("SANE_FRAME_RGB");
+			result = _tmp1_;
+			return result;
+		}
+		case SANE_FRAME_RED:
+		{
+			gchar* _tmp2_;
+			_tmp2_ = g_strdup ("SANE_FRAME_RED");
+			result = _tmp2_;
+			return result;
+		}
+		case SANE_FRAME_GREEN:
+		{
+			gchar* _tmp3_;
+			_tmp3_ = g_strdup ("SANE_FRAME_GREEN");
+			result = _tmp3_;
+			return result;
+		}
+		case SANE_FRAME_BLUE:
+		{
+			gchar* _tmp4_;
+			_tmp4_ = g_strdup ("SANE_FRAME_BLUE");
+			result = _tmp4_;
+			return result;
+		}
+		default:
+		{
+			gchar* _tmp5_ = NULL;
+			_tmp5_ = g_strdup_printf ("SANE_FRAME(%d)", (gint) frame);
+			result = _tmp5_;
+			return result;
+		}
+	}
+}
+
+
+static void scanner_do_get_parameters (Scanner* self) {
+	SANE_Parameters _tmp0_ = {0};
+	SANE_Status _tmp1_;
+	SANE_Status status;
+	gchar* _tmp2_ = NULL;
+	gchar* _tmp3_;
+	ScanJob* _tmp6_;
+	ScanJob* job;
+	const gchar* _tmp7_ = NULL;
+	gchar* _tmp8_ = NULL;
+	gchar* _tmp9_;
+	ScanPageInfo* _tmp10_ = NULL;
+	ScanPageInfo* info;
+	gboolean _tmp11_ = FALSE;
+	gboolean _tmp12_ = FALSE;
+	gboolean _tmp13_ = FALSE;
+	gint _tmp14_ = 0;
+	gchar* _tmp15_;
+	gint buffer_size;
+	guchar* _tmp18_ = NULL;
+	g_return_if_fail (self != NULL);
+	_tmp1_ = sane_get_parameters (self->priv->handle, &_tmp0_);
+	self->priv->parameters = _tmp0_;
+	status = _tmp1_;
+	_tmp2_ = sane_status_to_string (status);
+	_tmp3_ = _tmp2_;
+	g_debug ("scanner.vala:1107: sane_get_parameters () -> %s", _tmp3_);
+	_g_free0 (_tmp3_);
+	if (status != SANE_STATUS_GOOD) {
+		const gchar* _tmp4_ = NULL;
+		const gchar* _tmp5_ = NULL;
+		_tmp4_ = sane_strstatus (status);
+		g_warning ("scanner.vala:1110: Unable to get device parameters: %s", _tmp4_);
+		_tmp5_ = _ ("Error communicating with scanner");
+		scanner_fail_scan (self, (gint) status, _tmp5_);
+		return;
+	}
+	_tmp6_ = _scan_job_ref0 (SCAN_JOB ((ScanJob*) self->priv->job_queue->data));
+	job = _tmp6_;
+	if (self->priv->parameters.last_frame) {
+		_tmp7_ = "SANE_TRUE";
+	} else {
+		_tmp7_ = "SANE_FALSE";
+	}
+	_tmp8_ = sane_frame_to_string (self->priv->parameters.format);
+	_tmp9_ = _tmp8_;
+	g_debug ("scanner.vala:1119: Parameters: format=%s last_frame=%s bytes_per_line=" \
+"%d pixels_per_line=%d lines=%d depth=%d", _tmp9_, _tmp7_, self->priv->parameters.bytes_per_line, self->priv->parameters.pixels_per_line, self->priv->parameters.lines, self->priv->parameters.depth);
+	_g_free0 (_tmp9_);
+	_tmp10_ = scan_page_info_new ();
+	info = _tmp10_;
+	info->width = self->priv->parameters.pixels_per_line;
+	info->height = self->priv->parameters.lines;
+	info->depth = self->priv->parameters.depth;
+	if (self->priv->parameters.depth == 8) {
+		_tmp13_ = self->priv->parameters.format == SANE_FRAME_GRAY;
+	} else {
+		_tmp13_ = FALSE;
+	}
+	if (_tmp13_) {
+		_tmp12_ = job->depth == 2;
+	} else {
+		_tmp12_ = FALSE;
+	}
+	if (_tmp12_) {
+		_tmp11_ = job->scan_mode == SCAN_MODE_GRAY;
+	} else {
+		_tmp11_ = FALSE;
+	}
+	if (_tmp11_) {
+		info->depth = job->depth;
+	}
+	if (self->priv->parameters.format == SANE_FRAME_GRAY) {
+		_tmp14_ = 1;
+	} else {
+		_tmp14_ = 3;
+	}
+	info->n_channels = _tmp14_;
+	info->dpi = job->dpi;
+	_tmp15_ = g_strdup (self->priv->current_device);
+	_g_free0 (info->device);
+	info->device = _tmp15_;
+	if (self->priv->page_number != self->priv->notified_page) {
+		NotifyGotPageInfo* _tmp16_ = NULL;
+		NotifyGotPageInfo* _tmp17_;
+		_tmp16_ = notify_got_page_info_new (info);
+		_tmp17_ = _tmp16_;
+		scanner_notify (self, (Notify*) _tmp17_);
+		_notify_unref0 (_tmp17_);
+		self->priv->notified_page = self->priv->page_number;
+	}
+	buffer_size = self->priv->parameters.bytes_per_line + 1;
+	_tmp18_ = g_new0 (guchar, buffer_size);
+	self->priv->buffer = (g_free (self->priv->buffer), NULL);
+	self->priv->buffer = _tmp18_;
+	self->priv->buffer_length1 = buffer_size;
+	self->priv->_buffer_size_ = self->priv->buffer_length1;
+	self->priv->n_used = 0;
+	self->priv->line_count = 0;
+	self->priv->pass_number = 0;
+	self->priv->state = SCAN_STATE_READ;
+	_scan_page_info_unref0 (info);
+	_scan_job_unref0 (job);
+}
+
+
+static void scanner_do_complete_page (Scanner* self) {
+	NotifyPageDone* _tmp0_ = NULL;
+	NotifyPageDone* _tmp1_;
+	ScanJob* _tmp2_;
+	ScanJob* job;
+	g_return_if_fail (self != NULL);
+	_tmp0_ = notify_page_done_new ();
+	_tmp1_ = _tmp0_;
+	scanner_notify (self, (Notify*) _tmp1_);
+	_notify_unref0 (_tmp1_);
+	_tmp2_ = _scan_job_ref0 (SCAN_JOB ((ScanJob*) self->priv->job_queue->data));
+	job = _tmp2_;
+	if (!self->priv->parameters.last_frame) {
+		self->priv->pass_number++;
+		self->priv->state = SCAN_STATE_START;
+		_scan_job_unref0 (job);
+		return;
+	}
+	if (job->type != SCAN_TYPE_SINGLE) {
+		NotifyPageDone* _tmp3_ = NULL;
+		NotifyPageDone* _tmp4_;
+		self->priv->page_number++;
+		self->priv->pass_number = 0;
+		_tmp3_ = notify_page_done_new ();
+		_tmp4_ = _tmp3_;
+		scanner_notify (self, (Notify*) _tmp4_);
+		_notify_unref0 (_tmp4_);
+		self->priv->state = SCAN_STATE_START;
+		_scan_job_unref0 (job);
+		return;
+	}
+	sane_cancel (self->priv->handle);
+	g_debug ("scanner.vala:1179: sane_cancel ()");
+	scanner_do_complete_document (self);
+	_scan_job_unref0 (job);
+}
+
+
+static void scanner_do_read (Scanner* self) {
+	ScanJob* _tmp0_;
+	ScanJob* job;
+	gint n_to_read;
+	SANE_Int n_read;
+	guchar* b;
+	SANE_Int _tmp1_;
+	SANE_Status _tmp2_;
+	SANE_Status status;
+	gchar* _tmp3_ = NULL;
+	gchar* _tmp4_;
+	gboolean full_read;
+	gboolean _tmp8_ = FALSE;
+	g_return_if_fail (self != NULL);
+	_tmp0_ = _scan_job_ref0 (SCAN_JOB ((ScanJob*) self->priv->job_queue->data));
+	job = _tmp0_;
+	n_to_read = self->priv->buffer_length1 - self->priv->n_used;
+	b = (guchar*) self->priv->buffer;
+	_tmp2_ = sane_read (self->priv->handle, (guint8*) (b + self->priv->n_used), (SANE_Int) n_to_read, &_tmp1_);
+	n_read = _tmp1_;
+	status = _tmp2_;
+	_tmp3_ = sane_status_to_string (status);
+	_tmp4_ = _tmp3_;
+	g_debug ("scanner.vala:1194: sane_read (%d) -> (%s, %d)", n_to_read, _tmp4_, (gint) n_read);
+	_g_free0 (_tmp4_);
+	if (status == SANE_STATUS_EOF) {
+		gboolean _tmp5_ = FALSE;
+		if (self->priv->parameters.lines > 0) {
+			_tmp5_ = self->priv->line_count != self->priv->parameters.lines;
+		} else {
+			_tmp5_ = FALSE;
+		}
+		if (_tmp5_) {
+			g_warning ("scanner.vala:1200: Scan completed with %d lines, expected %d lines", self->priv->parameters.lines, self->priv->parameters.lines);
+		}
+		if (self->priv->n_used > 0) {
+			g_warning ("scanner.vala:1202: Scan complete with %d bytes of unused data", self->priv->n_used);
+		}
+		scanner_do_complete_page (self);
+		_scan_job_unref0 (job);
+		return;
+	}
+	if (status != SANE_STATUS_GOOD) {
+		const gchar* _tmp6_ = NULL;
+		const gchar* _tmp7_ = NULL;
+		_tmp6_ = sane_strstatus (status);
+		g_warning ("scanner.vala:1210: Unable to read frame from device: %s", _tmp6_);
+		_tmp7_ = _ ("Error communicating with scanner");
+		scanner_fail_scan (self, (gint) status, _tmp7_);
+		_scan_job_unref0 (job);
+		return;
+	}
+	full_read = FALSE;
+	if (self->priv->n_used == 0) {
+		_tmp8_ = ((gint) n_read) == self->priv->buffer_length1;
+	} else {
+		_tmp8_ = FALSE;
+	}
+	if (_tmp8_) {
+		full_read = TRUE;
+	}
+	self->priv->n_used = self->priv->n_used + n_read;
+	if (self->priv->n_used >= self->priv->parameters.bytes_per_line) {
+		ScanLine* _tmp9_ = NULL;
+		ScanLine* line;
+		guchar* _tmp10_;
+		gint _tmp11_;
+		gint buffer_size;
+		guchar* _tmp12_ = NULL;
+		gint n_remaining;
+		gboolean _tmp14_ = FALSE;
+		gboolean _tmp15_ = FALSE;
+		gboolean _tmp16_ = FALSE;
+		NotifyGotLine* _tmp19_ = NULL;
+		NotifyGotLine* _tmp20_;
+		_tmp9_ = scan_line_new ();
+		line = _tmp9_;
+		switch (self->priv->parameters.format) {
+			case SANE_FRAME_GRAY:
+			{
+				line->channel = 0;
+				break;
+			}
+			case SANE_FRAME_RGB:
+			{
+				line->channel = -1;
+				break;
+			}
+			case SANE_FRAME_RED:
+			{
+				line->channel = 0;
+				break;
+			}
+			case SANE_FRAME_GREEN:
+			{
+				line->channel = 1;
+				break;
+			}
+			case SANE_FRAME_BLUE:
+			{
+				line->channel = 2;
+				break;
+			}
+			default:
+			break;
+		}
+		line->width = self->priv->parameters.pixels_per_line;
+		line->depth = self->priv->parameters.depth;
+		_tmp10_ = self->priv->buffer;
+		_tmp11_ = self->priv->buffer_length1;
+		self->priv->buffer = NULL;
+		line->data = (g_free (line->data), NULL);
+		line->data = _tmp10_;
+		line->data_length1 = _tmp11_;
+		line->data_length = self->priv->parameters.bytes_per_line;
+		line->number = self->priv->line_count;
+		line->n_lines = self->priv->n_used / line->data_length;
+		self->priv->line_count = self->priv->line_count + line->n_lines;
+		buffer_size = self->priv->buffer_length1;
+		if (full_read) {
+			buffer_size = buffer_size + self->priv->parameters.bytes_per_line;
+		}
+		_tmp12_ = g_new0 (guchar, buffer_size);
+		self->priv->buffer = (g_free (self->priv->buffer), NULL);
+		self->priv->buffer = _tmp12_;
+		self->priv->buffer_length1 = buffer_size;
+		self->priv->_buffer_size_ = self->priv->buffer_length1;
+		n_remaining = self->priv->n_used - (line->n_lines * line->data_length);
+		self->priv->n_used = 0;
+		{
+			gint i;
+			i = 0;
+			{
+				gboolean _tmp13_;
+				_tmp13_ = TRUE;
+				while (TRUE) {
+					if (!_tmp13_) {
+						i++;
+					}
+					_tmp13_ = FALSE;
+					if (!(i < n_remaining)) {
+						break;
+					}
+					self->priv->buffer[i] = line->data[i + (line->n_lines * line->data_length)];
+					self->priv->n_used++;
+				}
+			}
+		}
+		if (self->priv->parameters.depth == 8) {
+			_tmp16_ = self->priv->parameters.format == SANE_FRAME_GRAY;
+		} else {
+			_tmp16_ = FALSE;
+		}
+		if (_tmp16_) {
+			_tmp15_ = job->depth == 2;
+		} else {
+			_tmp15_ = FALSE;
+		}
+		if (_tmp15_) {
+			_tmp14_ = job->scan_mode == SCAN_MODE_GRAY;
+		} else {
+			_tmp14_ = FALSE;
+		}
+		if (_tmp14_) {
+			guchar block;
+			gint write_offset;
+			gint block_shift;
+			block = (guchar) 0;
+			write_offset = 0;
+			block_shift = 6;
+			{
+				gint i;
+				i = 0;
+				{
+					gboolean _tmp17_;
+					_tmp17_ = TRUE;
+					while (TRUE) {
+						gint offset;
+						if (!_tmp17_) {
+							i++;
+						}
+						_tmp17_ = FALSE;
+						if (!(i < line->n_lines)) {
+							break;
+						}
+						offset = i * line->data_length;
+						{
+							gint x;
+							x = 0;
+							{
+								gboolean _tmp18_;
+								_tmp18_ = TRUE;
+								while (TRUE) {
+									guchar p;
+									guchar sample = '\0';
+									if (!_tmp18_) {
+										x++;
+									}
+									_tmp18_ = FALSE;
+									if (!(x < line->width)) {
+										break;
+									}
+									p = line->data[offset + x];
+									if (((gint) p) >= 192) {
+										sample = (guchar) 3;
+									} else {
+										if (((gint) p) >= 128) {
+											sample = (guchar) 2;
+										} else {
+											if (((gint) p) >= 64) {
+												sample = (guchar) 1;
+											} else {
+												sample = (guchar) 0;
+											}
+										}
+									}
+									block = block | (sample << block_shift);
+									if (block_shift == 0) {
+										line->data[write_offset] = block;
+										write_offset++;
+										block = (guchar) 0;
+										block_shift = 6;
+									} else {
+										block_shift = block_shift - 2;
+									}
+								}
+							}
+						}
+						if (block_shift != 6) {
+							line->data[write_offset] = block;
+							write_offset++;
+							block = (guchar) 0;
+							block_shift = 6;
+						}
+					}
+				}
+			}
+			line->data_length = ((line->width * 2) + 7) / 8;
+		}
+		_tmp19_ = notify_got_line_new (line);
+		_tmp20_ = _tmp19_;
+		scanner_notify (self, (Notify*) _tmp20_);
+		_notify_unref0 (_tmp20_);
+		_scan_line_unref0 (line);
+	}
+	_scan_job_unref0 (job);
+}
+
+
+static void _scanner_authorization_cb_sane_authcallback (const gchar* resource, gchar* username, gchar* password) {
+	scanner_authorization_cb (resource, username, -1, password, -1);
+}
+
+
+static void* scanner_scan_thread (Scanner* self) {
+	void* result = NULL;
+	SANE_Int version_code;
+	SANE_Int _tmp0_;
+	SANE_Status _tmp1_;
+	SANE_Status status;
+	gchar* _tmp2_ = NULL;
+	gchar* _tmp3_;
+	gint _tmp5_;
+	gint _tmp6_;
+	gint _tmp7_;
+	g_return_val_if_fail (self != NULL, NULL);
+	self->priv->state = SCAN_STATE_IDLE;
+	_tmp1_ = sane_init (&_tmp0_, _scanner_authorization_cb_sane_authcallback);
+	version_code = _tmp0_;
+	status = _tmp1_;
+	_tmp2_ = sane_status_to_string (status);
+	_tmp3_ = _tmp2_;
+	g_debug ("scanner.vala:1327: sane_init () -> %s", _tmp3_);
+	_g_free0 (_tmp3_);
+	if (status != SANE_STATUS_GOOD) {
+		const gchar* _tmp4_ = NULL;
+		_tmp4_ = sane_strstatus (status);
+		g_warning ("scanner.vala:1330: Unable to initialize SANE backend: %s", _tmp4_);
+		result = NULL;
+		return result;
+	}
+	_tmp5_ = SANE_VERSION_MAJOR (version_code);
+	_tmp6_ = SANE_VERSION_MINOR (version_code);
+	_tmp7_ = SANE_VERSION_BUILD (version_code);
+	g_debug ("scanner.vala:1333: SANE version %d.%d.%d", _tmp5_, _tmp6_, _tmp7_);
+	scanner_redetect (self);
+	while (TRUE) {
+		gboolean _tmp8_;
+		_tmp8_ = scanner_handle_requests (self);
+		if (!_tmp8_) {
+			break;
+		}
+		switch (self->priv->state) {
+			case SCAN_STATE_IDLE:
+			{
+				if (self->priv->job_queue != NULL) {
+					scanner_set_scanning (self, TRUE);
+					self->priv->state = SCAN_STATE_OPEN;
+				}
+				break;
+			}
+			case SCAN_STATE_REDETECT:
+			{
+				scanner_do_redetect (self);
+				break;
+			}
+			case SCAN_STATE_OPEN:
+			{
+				scanner_do_open (self);
+				break;
+			}
+			case SCAN_STATE_GET_OPTION:
+			{
+				scanner_do_get_option (self);
+				break;
+			}
+			case SCAN_STATE_START:
+			{
+				scanner_do_start (self);
+				break;
+			}
+			case SCAN_STATE_GET_PARAMETERS:
+			{
+				scanner_do_get_parameters (self);
+				break;
+			}
+			case SCAN_STATE_READ:
+			{
+				scanner_do_read (self);
+				break;
+			}
+			default:
+			break;
+		}
+	}
+	result = NULL;
+	return result;
+}
+
+
+static gpointer _scanner_scan_thread_gthread_func (gpointer self) {
+	gpointer result;
+	result = scanner_scan_thread (self);
+	return result;
+}
+
+
+void scanner_start (Scanner* self) {
+	GError * _inner_error_ = NULL;
+	g_return_if_fail (self != NULL);
+	{
+		GThread* _tmp0_ = NULL;
+		GThread* _tmp1_;
+		_tmp0_ = g_thread_create (_scanner_scan_thread_gthread_func, self, TRUE, &_inner_error_);
+		_tmp1_ = _tmp0_;
+		if (_inner_error_ != NULL) {
+			goto __catch9_g_error;
+		}
+		self->priv->thread = _tmp1_;
+	}
+	goto __finally9;
+	__catch9_g_error:
+	{
+		GError* e = NULL;
+		e = _inner_error_;
+		_inner_error_ = NULL;
+		g_critical ("scanner.vala:1384: Unable to create thread: %s", e->message);
+		_g_error_free0 (e);
+	}
+	__finally9:
+	if (_inner_error_ != NULL) {
+		g_critical ("file %s: line %d: uncaught error: %s (%s, %d)", __FILE__, __LINE__, _inner_error_->message, g_quark_to_string (_inner_error_->domain), _inner_error_->code);
+		g_clear_error (&_inner_error_);
+		return;
+	}
+}
+
+
+void scanner_redetect (Scanner* self) {
+	RequestRedetect* _tmp0_ = NULL;
+	g_return_if_fail (self != NULL);
+	if (self->priv->need_redetect) {
+		return;
+	}
+	self->priv->need_redetect = TRUE;
+	g_debug ("scanner.vala:1394: Requesting redetection of scan devices");
+	_tmp0_ = request_redetect_new ();
+	g_async_queue_push (self->priv->request_queue, (Request*) _tmp0_);
+}
+
+
+gboolean scanner_is_scanning (Scanner* self) {
+	gboolean result = FALSE;
+	g_return_val_if_fail (self != NULL, FALSE);
+	result = self->priv->scanning;
+	return result;
+}
+
+
+static gchar* scanner_get_scan_mode_string (Scanner* self, ScanMode mode) {
+	gchar* result = NULL;
+	g_return_val_if_fail (self != NULL, NULL);
+	switch (mode) {
+		case SCAN_MODE_DEFAULT:
+		{
+			gchar* _tmp0_;
+			_tmp0_ = g_strdup ("ScanMode.DEFAULT");
+			result = _tmp0_;
+			return result;
+		}
+		case SCAN_MODE_COLOR:
+		{
+			gchar* _tmp1_;
+			_tmp1_ = g_strdup ("ScanMode.COLOR");
+			result = _tmp1_;
+			return result;
+		}
+		case SCAN_MODE_GRAY:
+		{
+			gchar* _tmp2_;
+			_tmp2_ = g_strdup ("ScanMode.GRAY");
+			result = _tmp2_;
+			return result;
+		}
+		case SCAN_MODE_LINEART:
+		{
+			gchar* _tmp3_;
+			_tmp3_ = g_strdup ("ScanMode.LINEART");
+			result = _tmp3_;
+			return result;
+		}
+		default:
+		{
+			gchar* _tmp4_ = NULL;
+			_tmp4_ = g_strdup_printf ("%d", (gint) mode);
+			result = _tmp4_;
+			return result;
+		}
+	}
+}
+
+
+static gchar* scanner_get_scan_type_string (Scanner* self, ScanType type) {
+	gchar* result = NULL;
+	g_return_val_if_fail (self != NULL, NULL);
+	switch (type) {
+		case SCAN_TYPE_SINGLE:
+		{
+			gchar* _tmp0_;
+			_tmp0_ = g_strdup ("ScanType.SINGLE");
+			result = _tmp0_;
+			return result;
+		}
+		case SCAN_TYPE_ADF_FRONT:
+		{
+			gchar* _tmp1_;
+			_tmp1_ = g_strdup ("ScanType.ADF_FRONT");
+			result = _tmp1_;
+			return result;
+		}
+		case SCAN_TYPE_ADF_BACK:
+		{
+			gchar* _tmp2_;
+			_tmp2_ = g_strdup ("ScanType.ADF_BACK");
+			result = _tmp2_;
+			return result;
+		}
+		case SCAN_TYPE_ADF_BOTH:
+		{
+			gchar* _tmp3_;
+			_tmp3_ = g_strdup ("ScanType.ADF_BOTH");
+			result = _tmp3_;
+			return result;
+		}
+		default:
+		{
+			gchar* _tmp4_ = NULL;
+			_tmp4_ = g_strdup_printf ("%d", (gint) type);
+			result = _tmp4_;
+			return result;
+		}
+	}
+}
+
+
+void scanner_scan (Scanner* self, const gchar* device, ScanOptions* options) {
+	const gchar* _tmp0_ = NULL;
+	gchar* _tmp1_ = NULL;
+	gchar* _tmp2_;
+	gchar* _tmp3_ = NULL;
+	gchar* _tmp4_;
+	RequestStartScan* _tmp5_ = NULL;
+	RequestStartScan* request;
+	ScanJob* _tmp6_ = NULL;
+	gchar* _tmp7_;
+	Request* _tmp8_;
+	g_return_if_fail (self != NULL);
+	g_return_if_fail (options != NULL);
+	if (device != NULL) {
+		_tmp0_ = device;
+	} else {
+		_tmp0_ = "(null)";
+	}
+	_tmp1_ = scanner_get_scan_mode_string (self, options->scan_mode);
+	_tmp2_ = _tmp1_;
+	_tmp3_ = scanner_get_scan_type_string (self, options->type);
+	_tmp4_ = _tmp3_;
+	g_debug ("scanner.vala:1440: Scanner.scan (\"%s\", dpi=%d, scan_mode=%s, depth=%" \
+"d, type=%s, paper_width=%d, paper_height=%d)", _tmp0_, options->dpi, _tmp2_, options->depth, _tmp4_, options->paper_width, options->paper_height);
+	_g_free0 (_tmp4_);
+	_g_free0 (_tmp2_);
+	_tmp5_ = request_start_scan_new ();
+	request = _tmp5_;
+	_tmp6_ = scan_job_new ();
+	_scan_job_unref0 (request->job);
+	request->job = _tmp6_;
+	_tmp7_ = g_strdup (device);
+	_g_free0 (request->job->device);
+	request->job->device = _tmp7_;
+	request->job->dpi = (gdouble) options->dpi;
+	request->job->scan_mode = options->scan_mode;
+	request->job->depth = options->depth;
+	request->job->type = options->type;
+	request->job->page_width = options->paper_width;
+	request->job->page_height = options->paper_height;
+	_tmp8_ = _request_ref0 ((Request*) request);
+	g_async_queue_push (self->priv->request_queue, _tmp8_);
+	_request_unref0 (request);
+}
+
+
+void scanner_cancel (Scanner* self) {
+	RequestCancel* _tmp0_ = NULL;
+	g_return_if_fail (self != NULL);
+	_tmp0_ = request_cancel_new ();
+	g_async_queue_push (self->priv->request_queue, (Request*) _tmp0_);
+}
+
+
+void scanner_free (Scanner* self) {
+	RequestQuit* _tmp0_ = NULL;
+	g_return_if_fail (self != NULL);
+	g_debug ("scanner.vala:1462: Stopping scan thread");
+	_tmp0_ = request_quit_new ();
+	g_async_queue_push (self->priv->request_queue, (Request*) _tmp0_);
+	if (self->priv->thread != NULL) {
+		g_thread_join (self->priv->thread);
+	}
+	sane_exit ();
+	g_debug ("scanner.vala:1470: sane_exit ()");
+}
+
+
+static void g_cclosure_user_marshal_VOID__SCAN_PAGE_INFO (GClosure * closure, GValue * return_value, guint n_param_values, const GValue * param_values, gpointer invocation_hint, gpointer marshal_data) {
+	typedef void (*GMarshalFunc_VOID__SCAN_PAGE_INFO) (gpointer data1, gpointer arg_1, gpointer data2);
+	register GMarshalFunc_VOID__SCAN_PAGE_INFO callback;
+	register GCClosure * cc;
+	register gpointer data1;
+	register gpointer data2;
+	cc = (GCClosure *) closure;
+	g_return_if_fail (n_param_values == 2);
+	if (G_CCLOSURE_SWAP_DATA (closure)) {
+		data1 = closure->data;
+		data2 = param_values->data[0].v_pointer;
+	} else {
+		data1 = param_values->data[0].v_pointer;
+		data2 = closure->data;
+	}
+	callback = (GMarshalFunc_VOID__SCAN_PAGE_INFO) (marshal_data ? marshal_data : cc->callback);
+	callback (data1, value_get_scan_page_info (param_values + 1), data2);
+}
+
+
+static void g_cclosure_user_marshal_VOID__SCAN_LINE (GClosure * closure, GValue * return_value, guint n_param_values, const GValue * param_values, gpointer invocation_hint, gpointer marshal_data) {
+	typedef void (*GMarshalFunc_VOID__SCAN_LINE) (gpointer data1, gpointer arg_1, gpointer data2);
+	register GMarshalFunc_VOID__SCAN_LINE callback;
+	register GCClosure * cc;
+	register gpointer data1;
+	register gpointer data2;
+	cc = (GCClosure *) closure;
+	g_return_if_fail (n_param_values == 2);
+	if (G_CCLOSURE_SWAP_DATA (closure)) {
+		data1 = closure->data;
+		data2 = param_values->data[0].v_pointer;
+	} else {
+		data1 = param_values->data[0].v_pointer;
+		data2 = closure->data;
+	}
+	callback = (GMarshalFunc_VOID__SCAN_LINE) (marshal_data ? marshal_data : cc->callback);
+	callback (data1, value_get_scan_line (param_values + 1), data2);
+}
+
+
+static void g_cclosure_user_marshal_VOID__INT_STRING (GClosure * closure, GValue * return_value, guint n_param_values, const GValue * param_values, gpointer invocation_hint, gpointer marshal_data) {
+	typedef void (*GMarshalFunc_VOID__INT_STRING) (gpointer data1, gint arg_1, const char* arg_2, gpointer data2);
+	register GMarshalFunc_VOID__INT_STRING callback;
+	register GCClosure * cc;
+	register gpointer data1;
+	register gpointer data2;
+	cc = (GCClosure *) closure;
+	g_return_if_fail (n_param_values == 3);
+	if (G_CCLOSURE_SWAP_DATA (closure)) {
+		data1 = closure->data;
+		data2 = param_values->data[0].v_pointer;
+	} else {
+		data1 = param_values->data[0].v_pointer;
+		data2 = closure->data;
+	}
+	callback = (GMarshalFunc_VOID__INT_STRING) (marshal_data ? marshal_data : cc->callback);
+	callback (data1, g_value_get_int (param_values + 1), g_value_get_string (param_values + 2), data2);
+}
+
+
+static void value_scanner_init (GValue* value) {
+	value->data[0].v_pointer = NULL;
+}
+
+
+static void value_scanner_free_value (GValue* value) {
+	if (value->data[0].v_pointer) {
+		scanner_unref (value->data[0].v_pointer);
+	}
+}
+
+
+static void value_scanner_copy_value (const GValue* src_value, GValue* dest_value) {
+	if (src_value->data[0].v_pointer) {
+		dest_value->data[0].v_pointer = scanner_ref (src_value->data[0].v_pointer);
+	} else {
+		dest_value->data[0].v_pointer = NULL;
+	}
+}
+
+
+static gpointer value_scanner_peek_pointer (const GValue* value) {
+	return value->data[0].v_pointer;
+}
+
+
+static gchar* value_scanner_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	if (collect_values[0].v_pointer) {
+		Scanner* object;
+		object = collect_values[0].v_pointer;
+		if (object->parent_instance.g_class == NULL) {
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+		}
+		value->data[0].v_pointer = scanner_ref (object);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	return NULL;
+}
+
+
+static gchar* value_scanner_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	Scanner** object_p;
+	object_p = collect_values[0].v_pointer;
+	if (!object_p) {
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+	}
+	if (!value->data[0].v_pointer) {
+		*object_p = NULL;
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+		*object_p = value->data[0].v_pointer;
+	} else {
+		*object_p = scanner_ref (value->data[0].v_pointer);
+	}
+	return NULL;
+}
+
+
+GParamSpec* param_spec_scanner (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	ParamSpecScanner* spec;
+	g_return_val_if_fail (g_type_is_a (object_type, TYPE_SCANNER), NULL);
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+	G_PARAM_SPEC (spec)->value_type = object_type;
+	return G_PARAM_SPEC (spec);
+}
+
+
+gpointer value_get_scanner (const GValue* value) {
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCANNER), NULL);
+	return value->data[0].v_pointer;
+}
+
+
+void value_set_scanner (GValue* value, gpointer v_object) {
+	Scanner* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCANNER));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_SCANNER));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+		scanner_ref (value->data[0].v_pointer);
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		scanner_unref (old);
+	}
+}
+
+
+void value_take_scanner (GValue* value, gpointer v_object) {
+	Scanner* old;
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_SCANNER));
+	old = value->data[0].v_pointer;
+	if (v_object) {
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_SCANNER));
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+		value->data[0].v_pointer = v_object;
+	} else {
+		value->data[0].v_pointer = NULL;
+	}
+	if (old) {
+		scanner_unref (old);
+	}
+}
+
+
+static void scanner_class_init (ScannerClass * klass) {
+	scanner_parent_class = g_type_class_peek_parent (klass);
+	SCANNER_CLASS (klass)->finalize = scanner_finalize;
+	g_type_class_add_private (klass, sizeof (ScannerPrivate));
+	g_signal_new ("update_devices", TYPE_SCANNER, G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, G_TYPE_POINTER);
+	g_signal_new ("request_authorization", TYPE_SCANNER, G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING);
+	g_signal_new ("expect_page", TYPE_SCANNER, G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
+	g_signal_new ("got_page_info", TYPE_SCANNER, G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_user_marshal_VOID__SCAN_PAGE_INFO, G_TYPE_NONE, 1, TYPE_SCAN_PAGE_INFO);
+	g_signal_new ("got_line", TYPE_SCANNER, G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_user_marshal_VOID__SCAN_LINE, G_TYPE_NONE, 1, TYPE_SCAN_LINE);
+	g_signal_new ("scan_failed", TYPE_SCANNER, G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_user_marshal_VOID__INT_STRING, G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_STRING);
+	g_signal_new ("page_done", TYPE_SCANNER, G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
+	g_signal_new ("document_done", TYPE_SCANNER, G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
+	g_signal_new ("scanning_changed", TYPE_SCANNER, G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
+}
+
+
+static void scanner_instance_init (Scanner * self) {
+	self->priv = SCANNER_GET_PRIVATE (self);
+	self->ref_count = 1;
+}
+
+
+static void scanner_finalize (Scanner* obj) {
+	Scanner * self;
+	self = SCANNER (obj);
+	_g_async_queue_unref0 (self->priv->request_queue);
+	_g_async_queue_unref0 (self->priv->notify_queue);
+	_g_async_queue_unref0 (self->priv->authorize_queue);
+	_g_free0 (self->priv->default_device);
+	__g_list_free__scan_job_unref0_0 (self->priv->job_queue);
+	_g_free0 (self->priv->current_device);
+	self->priv->buffer = (g_free (self->priv->buffer), NULL);
+}
+
+
+GType scanner_get_type (void) {
+	static volatile gsize scanner_type_id__volatile = 0;
+	if (g_once_init_enter (&scanner_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { value_scanner_init, value_scanner_free_value, value_scanner_copy_value, value_scanner_peek_pointer, "p", value_scanner_collect_value, "p", value_scanner_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (ScannerClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) scanner_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (Scanner), 0, (GInstanceInitFunc) scanner_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType scanner_type_id;
+		scanner_type_id = g_type_register_fundamental (g_type_fundamental_next (), "Scanner", &g_define_type_info, &g_define_type_fundamental_info, 0);
+		g_once_init_leave (&scanner_type_id__volatile, scanner_type_id);
+	}
+	return scanner_type_id__volatile;
+}
+
+
+gpointer scanner_ref (gpointer instance) {
+	Scanner* self;
+	self = instance;
+	g_atomic_int_inc (&self->ref_count);
+	return instance;
+}
+
+
+void scanner_unref (gpointer instance) {
+	Scanner* self;
+	self = instance;
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+		SCANNER_GET_CLASS (self)->finalize (self);
+		g_type_free_instance ((GTypeInstance *) self);
+	}
+}
+
+
+static void _vala_array_destroy (gpointer array, gint array_length, GDestroyNotify destroy_func) {
+	if ((array != NULL) && (destroy_func != NULL)) {
+		int i;
+		for (i = 0; i < array_length; i = i + 1) {
+			if (((gpointer*) array)[i] != NULL) {
+				destroy_func (((gpointer*) array)[i]);
+			}
+		}
+	}
+}
+
+
+static void _vala_array_free (gpointer array, gint array_length, GDestroyNotify destroy_func) {
+	_vala_array_destroy (array, array_length, destroy_func);
+	g_free (array);
+}
+
+
+