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authorAlessandro Ghedini <al3xbio@gmail.com>2011-10-19 10:56:04 +0200
committerAlessandro Ghedini <al3xbio@gmail.com>2011-10-19 10:56:04 +0200
commit6451a495637c6e3047a5a56573cffc6e3de9a515 (patch)
tree7c3eb29532e7c4b36a9da13c5890664fb816959b /src/actionGroups/devicesGroup.vala
Imported Upstream version 0.2+gitdfdad95upstream/0.2+gitdfdad95
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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 {
+
+/////////////////////////////////////////////////////////////////////
+/// An ActionGroup which contains all currently plugged-in devices,
+/// such as CD-ROM's or USB-sticks.
+/////////////////////////////////////////////////////////////////////
+
+public class DevicesGroup : 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 = _("Devices");
+ icon = "harddrive";
+ settings_name = "devices";
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Two members needed to avoid useless, frequent changes of the
+ /// stored Actions.
+ /////////////////////////////////////////////////////////////////////
+
+ private bool changing = false;
+ private bool changed_again = false;
+
+ /////////////////////////////////////////////////////////////////////
+ /// The VolumeMonitor used to check for added or removed devices.
+ /////////////////////////////////////////////////////////////////////
+
+ private GLib.VolumeMonitor monitor;
+
+ /////////////////////////////////////////////////////////////////////
+ /// C'tor, initializes all members.
+ /////////////////////////////////////////////////////////////////////
+
+ public DevicesGroup(string parent_id) {
+ GLib.Object(parent_id : parent_id);
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Construct block loads all currently plugged-in devices and
+ /// connects signal handlers to the VolumeMonitor.
+ /////////////////////////////////////////////////////////////////////
+
+ construct {
+ this.monitor = GLib.VolumeMonitor.get();
+
+ this.load();
+
+ // add monitor
+ this.monitor.mount_added.connect(this.reload);
+ this.monitor.mount_removed.connect(this.reload);
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Loads all currently plugged-in devices.
+ /////////////////////////////////////////////////////////////////////
+
+ private void load() {
+ // add root device
+ this.add_action(new UriAction(_("Root"), "harddrive", "file:///"));
+
+ // add all other devices
+ foreach(var mount in this.monitor.get_mounts()) {
+ // get icon
+ var icon_names = mount.get_icon().to_string().split(" ");
+
+ string icon = "";
+ foreach (var icon_name in icon_names) {
+ if (Gtk.IconTheme.get_default().has_icon(icon_name)) {
+ icon = icon_name;
+ break;
+ }
+ }
+
+ this.add_action(new UriAction(mount.get_name(), icon, mount.get_root().get_uri()));
+ }
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Reloads all devices. Is called when the VolumeMonitor 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("Devices changed...");
+ this.delete_all();
+ this.load();
+
+ this.changing = false;
+ return false;
+ });
+ } else {
+ this.changed_again = true;
+ }
+ }
+}
+
+}