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/*
Copyright (c) 2011 by Simon Schneegans
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.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace GnomePie {
/////////////////////////////////////////////////////////////////////////
/// A group of Actions, which represent the users gtk-bookmarks, his home
/// directory, desktop and trash. It stay up-to-date, even if the
/// bookmarks change.
/////////////////////////////////////////////////////////////////////////
public class BookmarkGroup : ActionGroup {
/////////////////////////////////////////////////////////////////////
/// Used to register this type of ActionGroup. It sets the display
/// name for this ActionGroup, it's icon name and the string used in
/// the pies.conf file for this kind of ActionGroups.
/////////////////////////////////////////////////////////////////////
public static void register(out string name, out string icon, out string settings_name) {
name = _("Bookmarks");
icon = "user-bookmarks";
settings_name = "bookmarks";
}
/////////////////////////////////////////////////////////////////////
/// Two members needed to avoid useless, frequent changes of the
/// stored Actions.
/////////////////////////////////////////////////////////////////////
private bool changing = false;
private bool changed_again = false;
/////////////////////////////////////////////////////////////////////
/// C'tor, initializes all members.
/////////////////////////////////////////////////////////////////////
public BookmarkGroup(string parent_id) {
GLib.Object(parent_id : parent_id);
}
/////////////////////////////////////////////////////////////////////
/// Construct block loads the bookmarks of the user and adds a file
/// monitor in order to update the BookmarkGroup when the bookmarks
/// of the user change.
/////////////////////////////////////////////////////////////////////
construct {
this.load();
// add monitor
var bookmark_file = GLib.File.new_for_path(
GLib.Environment.get_home_dir()).get_child(".gtk-bookmarks");
if (bookmark_file.query_exists()) {
try {
var monitor = bookmark_file.monitor(GLib.FileMonitorFlags.NONE);
monitor.changed.connect(this.reload);
} catch (GLib.Error e) {
warning(e.message);
}
}
}
/////////////////////////////////////////////////////////////////////
/// Adds Actions for each gtk-bookmark of the user and for his home
/// folder, desktop and trash.
/////////////////////////////////////////////////////////////////////
private void load() {
// add home folder
this.add_action(ActionRegistry.new_for_uri("file://" + GLib.Environment.get_home_dir()));
// add .gtk-bookmarks
var bookmark_file = GLib.File.new_for_path(
GLib.Environment.get_home_dir()).get_child(".gtk-bookmarks");
if (!bookmark_file.query_exists()) {
warning("Failed to find file \".gtk-bookmarks\"!");
return;
}
try {
var dis = new DataInputStream(bookmark_file.read());
string line;
while ((line = dis.read_line(null)) != null) {
var parts = line.split(" ");
string uri = parts[0];
string name = parts[1];
this.add_action(ActionRegistry.new_for_uri(uri, name));
}
} catch (Error e) {
error ("%s", e.message);
}
// add trash
this.add_action(ActionRegistry.new_for_uri("trash://"));
// add desktop
this.add_action(ActionRegistry.new_for_uri("file://" + GLib.Environment.get_user_special_dir(GLib.UserDirectory.DESKTOP)));
}
/////////////////////////////////////////////////////////////////////
/// Reloads all Bookmarks. Is called when the user's gtk-bookmarks
/// file changes.
/////////////////////////////////////////////////////////////////////
private void reload() {
// avoid too frequent changes...
if (!this.changing) {
this.changing = true;
Timeout.add(200, () => {
if (this.changed_again) {
this.changed_again = false;
return true;
}
// reload
message("Bookmarks changed...");
this.delete_all();
this.load();
this.changing = false;
return false;
});
} else {
this.changed_again = true;
}
}
}
}
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