1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
3 * Copyright (C) 2007 Jan Arne Petersen <jap@gnome.org>
4 * Copyright (C) 2008 Bastien Nocera <hadess@hadess.net>
5 * Copyright © 2010 Christian Persch
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 #include "ev-media-player-keys.h"
31 #define SD_NAME "org.gnome.SettingsDaemon"
32 #define SD_OBJECT_PATH "/org/gnome/SettingsDaemon/MediaKeys"
33 #define SD_INTERFACE "org.gnome.SettingsDaemon.MediaKeys"
40 struct _EvMediaPlayerKeys
48 struct _EvMediaPlayerKeysClass
50 GObjectClass parent_class;
53 void (* key_pressed) (EvMediaPlayerKeys *keys,
57 static guint signals[LAST_SIGNAL];
59 G_DEFINE_TYPE (EvMediaPlayerKeys, ev_media_player_keys, G_TYPE_OBJECT)
61 static void ev_media_player_keys_finalize (GObject *object);
64 ev_media_player_keys_class_init (EvMediaPlayerKeysClass *klass)
66 GObjectClass *object_class = G_OBJECT_CLASS (klass);
68 object_class->finalize = ev_media_player_keys_finalize;
70 signals[KEY_PRESSED] =
71 g_signal_new ("key_pressed",
72 EV_TYPE_MEDIA_PLAYER_KEYS,
74 G_STRUCT_OFFSET (EvMediaPlayerKeysClass, key_pressed),
76 g_cclosure_marshal_VOID__STRING,
82 ev_media_player_keys_grab_keys (EvMediaPlayerKeys *keys)
85 * The uint as second argument is time. We give a very low value so that
86 * if a media player is there it gets higher priority on the keys (0 is
87 * a special value having maximum priority).
89 g_dbus_proxy_call (keys->proxy,
90 "GrabMediaPlayerKeys",
91 g_variant_new ("(su)", "Evince", 1),
92 G_DBUS_CALL_FLAGS_NO_AUTO_START,
98 ev_media_player_keys_release_keys (EvMediaPlayerKeys *keys)
100 g_dbus_proxy_call (keys->proxy,
101 "ReleaseMediaPlayerKeys",
102 g_variant_new ("(s)", "Evince"),
103 G_DBUS_CALL_FLAGS_NO_AUTO_START,
109 media_player_key_pressed_cb (GDBusProxy *proxy,
112 GVariant *parameters,
115 const char *application, *key;
117 if (g_strcmp0 (sender_name, SD_NAME) != 0)
120 if (g_strcmp0 (signal_name, "MediaPlayerKeyPressed") != 0)
123 if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(ss)")))
126 g_variant_get (parameters, "(&s&s)", &application, &key);
128 if (strcmp ("Evince", application) == 0) {
129 g_signal_emit (user_data, signals[KEY_PRESSED], 0, key);
134 mediakeys_service_appeared_cb (GDBusConnection *connection,
136 const gchar *name_owner,
140 EvMediaPlayerKeys *keys = EV_MEDIA_PLAYER_KEYS (user_data);
142 keys->proxy = g_object_ref (proxy);
143 g_signal_connect (keys->proxy, "g-signal",
144 G_CALLBACK (media_player_key_pressed_cb),
147 ev_media_player_keys_grab_keys (keys);
151 mediakeys_service_disappeared_cb (GDBusConnection *connection,
155 EvMediaPlayerKeys *keys = EV_MEDIA_PLAYER_KEYS (user_data);
158 g_object_unref (keys->proxy);
164 ev_media_player_keys_init (EvMediaPlayerKeys *keys)
166 keys->watch_id = g_bus_watch_proxy (G_BUS_TYPE_SESSION,
168 G_BUS_NAME_WATCHER_FLAGS_NONE,
172 G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES,
173 mediakeys_service_appeared_cb,
174 mediakeys_service_disappeared_cb,
179 ev_media_player_keys_focused (EvMediaPlayerKeys *keys)
181 if (keys->proxy == NULL)
184 ev_media_player_keys_grab_keys (keys);
188 ev_media_player_keys_finalize (GObject *object)
190 EvMediaPlayerKeys *keys = EV_MEDIA_PLAYER_KEYS (object);
192 if (keys->watch_id > 0)
193 g_bus_unwatch_proxy (keys->watch_id);
195 if (keys->proxy != NULL) {
196 ev_media_player_keys_release_keys (keys);
197 g_object_unref (keys->proxy);
200 G_OBJECT_CLASS (ev_media_player_keys_parent_class)->finalize (object);
204 ev_media_player_keys_new (void)
206 return g_object_new (EV_TYPE_MEDIA_PLAYER_KEYS, NULL);