Imported Upstream version 0.2+gitdfdad95upstream/0.2+gitdfdad95

1 files changed, 129 insertions, 0 deletions

diff --git a/src/actionGroups/devicesGroup.vala b/src/actionGroups/devicesGroup.vala
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+++ b/src/actionGroups/devicesGroup.vala
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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;
+        }    
+    }
+}
+
+}