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/* Copyright 2016 Software Freedom Conservancy Inc.
*
* This software is licensed under the GNU Lesser General Public License
* (version 2.1 or later). See the COPYING file in this distribution.
*/
namespace Spit.Publishing {
public class ConcretePublishingHost : Plugins.StandardHostInterface,
Spit.Publishing.PluginHost {
private const string PREPARE_STATUS_DESCRIPTION = _("Preparing for upload");
private const string UPLOAD_STATUS_DESCRIPTION = _("Uploading %d of %d");
private const double STATUS_PREPARATION_FRACTION = 0.3;
private const double STATUS_UPLOAD_FRACTION = 0.7;
private weak PublishingUI.PublishingDialog dialog = null;
private Spit.Publishing.Publisher active_publisher = null;
private Publishable[] publishables = null;
private unowned LoginCallback current_login_callback = null;
private bool publishing_halted = false;
private Spit.Publishing.Publisher.MediaType media_type =
Spit.Publishing.Publisher.MediaType.NONE;
public ConcretePublishingHost(Service service, PublishingUI.PublishingDialog dialog,
Publishable[] publishables, Account account) {
base(service, "sharing");
this.dialog = dialog;
this.publishables = publishables;
foreach (Publishable curr_publishable in publishables)
this.media_type |= curr_publishable.get_media_type();
this.active_publisher = service.create_publisher_with_account(this, account);
}
public void register_auth_callback(string cookie, AuthenticatedCallback callback) {
Application.register_auth_callback(cookie, callback);
}
public void unregister_auth_callback(string cookie) {
Application.unregister_auth_callback(cookie);
}
public string get_current_profile_id() {
return Shotwell.ProfileManager.get_instance().id();
}
private void on_login_clicked() {
if (current_login_callback != null)
current_login_callback();
}
private void clean_up() {
foreach (Publishable publishable in publishables)
((global::Publishing.Glue.MediaSourcePublishableWrapper) publishable).clean_up();
}
private void report_plugin_upload_progress(int file_number, double fraction_complete) {
// if the currently installed pane isn't the progress pane, do nothing
if (!(dialog.get_active_pane() is PublishingUI.ProgressPane))
return;
PublishingUI.ProgressPane pane = (PublishingUI.ProgressPane) dialog.get_active_pane();
string status_string = UPLOAD_STATUS_DESCRIPTION.printf(file_number,
publishables.length);
double status_fraction = STATUS_PREPARATION_FRACTION + (STATUS_UPLOAD_FRACTION *
fraction_complete);
pane.set_status(status_string, status_fraction);
}
private void install_progress_pane() {
PublishingUI.ProgressPane progress_pane = new PublishingUI.ProgressPane();
dialog.install_pane(progress_pane);
set_button_mode(Spit.Publishing.PluginHost.ButtonMode.CANCEL);
}
public void install_dialog_pane(Spit.Publishing.DialogPane pane,
Spit.Publishing.PluginHost.ButtonMode button_mode) {
debug("Publishing.PluginHost: install_dialog_pane( ): invoked.");
if (active_publisher == null || (!active_publisher.is_running()))
return;
dialog.install_pane(pane);
set_button_mode(button_mode);
}
public void post_error(Error err) {
string msg = _("Publishing to %s can’t continue because an error occurred:").printf(
active_publisher.get_service().get_pluggable_name());
msg += GLib.Markup.printf_escaped("\n\n<i>%s</i>\n\n", err.message);
msg += _("To try publishing to another service, select one from the above menu.");
dialog.install_pane(new PublishingUI.StaticMessagePane(msg, true));
dialog.set_close_button_mode();
dialog.unlock_service();
active_publisher.stop();
// post_error( ) tells the active_publisher to stop publishing and displays a
// non-removable error pane that effectively ends the publishing interaction,
// so no problem calling clean_up( ) here.
clean_up();
}
public void stop_publishing() {
debug("ConcretePublishingHost.stop_publishing( ): invoked.");
if (active_publisher.is_running())
active_publisher.stop();
clean_up();
publishing_halted = true;
}
public void start_publishing() {
if (active_publisher.is_running())
return;
debug("ConcretePublishingHost.start_publishing( ): invoked.");
active_publisher.start();
}
public Publisher get_publisher() {
return active_publisher;
}
public void install_static_message_pane(string message,
Spit.Publishing.PluginHost.ButtonMode button_mode) {
set_button_mode(button_mode);
dialog.install_pane(new PublishingUI.StaticMessagePane(message));
}
public void install_pango_message_pane(string markup,
Spit.Publishing.PluginHost.ButtonMode button_mode) {
set_button_mode(button_mode);
dialog.install_pane(new PublishingUI.StaticMessagePane(markup, true));
}
public void install_success_pane() {
dialog.install_pane(new PublishingUI.SuccessPane(get_publishable_media_type(),
publishables.length));
dialog.set_close_button_mode();
// the success pane is a terminal pane; once it's installed, the publishing
// interaction is considered over, so clean up
clean_up();
}
public void install_account_fetch_wait_pane() {
dialog.install_pane(new PublishingUI.AccountFetchWaitPane());
set_button_mode(Spit.Publishing.PluginHost.ButtonMode.CANCEL);
}
public void install_login_wait_pane() {
dialog.install_pane(new PublishingUI.LoginWaitPane());
}
public void install_welcome_pane(string welcome_message, LoginCallback login_clicked_callback) {
PublishingUI.LoginWelcomePane login_pane =
new PublishingUI.LoginWelcomePane(welcome_message);
current_login_callback = login_clicked_callback;
login_pane.login_requested.connect(on_login_clicked);
set_button_mode(Spit.Publishing.PluginHost.ButtonMode.CLOSE);
dialog.install_pane(login_pane);
}
public void set_service_locked(bool locked) {
if (locked)
dialog.lock_service();
else
dialog.unlock_service();
}
public void set_button_mode(Spit.Publishing.PluginHost.ButtonMode mode) {
if (mode == Spit.Publishing.PluginHost.ButtonMode.CLOSE)
dialog.set_close_button_mode();
else if (mode == Spit.Publishing.PluginHost.ButtonMode.CANCEL)
dialog.set_cancel_button_mode();
else
error("unrecognized button mode enumeration value");
}
public void set_dialog_default_widget(Gtk.Widget widget) {
widget.can_default = true;
dialog.set_default(widget);
}
public Spit.Publishing.Publisher.MediaType get_publishable_media_type() {
return media_type;
}
public Publishable[] get_publishables() {
return publishables;
}
public Spit.Publishing.ProgressCallback? serialize_publishables(int content_major_axis,
bool strip_metadata = false) {
install_progress_pane();
PublishingUI.ProgressPane progress_pane =
(PublishingUI.ProgressPane) dialog.get_active_pane();
// spin the event loop right after installing the progress_pane so that the progress_pane
// will appear and let the user know that something is going on while file serialization
// takes place
spin_event_loop();
int i = 0;
foreach (Spit.Publishing.Publishable publishable in publishables) {
if (publishing_halted || !active_publisher.is_running())
return null;
try {
global::Publishing.Glue.MediaSourcePublishableWrapper wrapper =
(global::Publishing.Glue.MediaSourcePublishableWrapper) publishable;
wrapper.serialize_for_publishing(content_major_axis, strip_metadata);
} catch (Spit.Publishing.PublishingError err) {
post_error(err);
return null;
}
double phase_fraction_complete = ((double) (i + 1)) / ((double) publishables.length);
double fraction_complete = phase_fraction_complete * STATUS_PREPARATION_FRACTION;
debug("serialize_publishables( ): fraction_complete = %f.", fraction_complete);
progress_pane.set_status(PREPARE_STATUS_DESCRIPTION, fraction_complete);
spin_event_loop();
i++;
}
return report_plugin_upload_progress;
}
}
}
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