1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
3 Copyright (C) 2004-2006 Bastien Nocera <hadess@hadess.net>
5 The Gnome Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The Gnome Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the Gnome Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301 USA.
20 Author: Bastien Nocera <hadess@hadess.net>
26 #include <glib/gi18n.h>
30 #ifdef GDK_WINDOWING_X11
32 #include <X11/keysym.h>
35 #include <X11/extensions/XTest.h>
36 #endif /* HAVE_XTEST */
37 #endif /* GDK_WINDOWING_X11 */
40 #include <dbus/dbus.h>
41 #include <dbus/dbus-glib.h>
43 #define GS_SERVICE "org.gnome.ScreenSaver"
44 #define GS_PATH "/org/gnome/ScreenSaver"
45 #define GS_INTERFACE "org.gnome.ScreenSaver"
46 #endif /* ENABLE_DBUS */
48 #include "totem-scrsaver.h"
50 #define XSCREENSAVER_MIN_TIMEOUT 60
52 static GObjectClass *parent_class = NULL;
53 static void totem_scrsaver_finalize (GObject *object);
56 struct TotemScrsaverPrivate {
57 /* Whether the screensaver is disabled */
61 DBusGConnection *connection;
64 #endif /* ENABLE_DBUS */
66 /* To save the screensaver info */
72 /* For use with XTest */
73 int keycode1, keycode2;
78 G_DEFINE_TYPE(TotemScrsaver, totem_scrsaver, G_TYPE_OBJECT)
81 screensaver_is_running_dbus (TotemScrsaver *scr)
84 if (! scr->priv->connection)
87 if (! scr->priv->gs_proxy)
93 #endif /* ENABLE_DBUS */
97 screensaver_inhibit_dbus (TotemScrsaver *scr,
104 g_return_if_fail (scr != NULL);
105 g_return_if_fail (scr->priv->connection != NULL);
106 g_return_if_fail (scr->priv->gs_proxy != NULL);
114 application = g_strdup ("Evince");
115 reason = g_strdup (_("Running in presentation mode"));
117 res = dbus_g_proxy_call (scr->priv->gs_proxy,
120 G_TYPE_STRING, application,
121 G_TYPE_STRING, reason,
123 G_TYPE_UINT, &cookie,
127 /* save the cookie */
128 scr->priv->cookie = cookie;
130 /* try the old API */
131 res = dbus_g_proxy_call (scr->priv->gs_proxy,
134 G_TYPE_STRING, reason,
138 g_error_free (error);
142 g_free (application);
145 res = dbus_g_proxy_call (scr->priv->gs_proxy,
148 G_TYPE_UINT, scr->priv->cookie,
152 /* clear the cookie */
153 scr->priv->cookie = 0;
155 /* try the old API */
156 res = dbus_g_proxy_call (scr->priv->gs_proxy,
162 g_error_free (error);
168 g_warning ("Problem inhibiting the screensaver: %s", error->message);
169 g_error_free (error);
172 #endif /* ENABLE_DBUS */
176 screensaver_enable_dbus (TotemScrsaver *scr)
178 screensaver_inhibit_dbus (scr, FALSE);
182 screensaver_disable_dbus (TotemScrsaver *scr)
184 screensaver_inhibit_dbus (scr, TRUE);
189 gs_proxy_destroy_cb (GObject *proxy,
192 g_warning ("Detected that GNOME screensaver has left the bus");
194 /* just invalidate for now */
195 scr->priv->gs_proxy = NULL;
200 screensaver_init_dbus (TotemScrsaver *scr)
203 GError *error = NULL;
205 scr->priv->connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
207 if (! scr->priv->connection) {
209 g_warning ("Failed to connect to the session bus: %s", error->message);
210 g_error_free (error);
215 scr->priv->gs_proxy = dbus_g_proxy_new_for_name_owner (scr->priv->connection,
220 if (scr->priv->gs_proxy != NULL) {
221 g_signal_connect_object (scr->priv->gs_proxy,
223 G_CALLBACK (gs_proxy_destroy_cb),
228 #endif /* ENABLE_DBUS */
232 screensaver_finalize_dbus (TotemScrsaver *scr)
235 if (scr->priv->gs_proxy) {
236 g_object_unref (scr->priv->gs_proxy);
238 #endif /* ENABLE_DBUS */
241 #ifdef GDK_WINDOWING_X11
243 screensaver_enable_x11 (TotemScrsaver *scr)
247 if (scr->priv->have_xtest != FALSE)
249 g_source_remove_by_user_data (scr);
252 #endif /* HAVE_XTEST */
254 XLockDisplay (GDK_DISPLAY());
255 XSetScreenSaver (GDK_DISPLAY(),
258 scr->priv->prefer_blanking,
259 scr->priv->allow_exposures);
260 XUnlockDisplay (GDK_DISPLAY());
265 fake_event (TotemScrsaver *scr)
267 if (scr->priv->disabled)
269 XLockDisplay (GDK_DISPLAY());
270 XTestFakeKeyEvent (GDK_DISPLAY(), *scr->priv->keycode,
272 XTestFakeKeyEvent (GDK_DISPLAY(), *scr->priv->keycode,
274 XUnlockDisplay (GDK_DISPLAY());
275 /* Swap the keycode */
276 if (scr->priv->keycode == &scr->priv->keycode1)
277 scr->priv->keycode = &scr->priv->keycode2;
279 scr->priv->keycode = &scr->priv->keycode1;
284 #endif /* HAVE_XTEST */
287 screensaver_disable_x11 (TotemScrsaver *scr)
291 if (scr->priv->have_xtest != FALSE)
293 XLockDisplay (GDK_DISPLAY());
294 XGetScreenSaver(GDK_DISPLAY(), &scr->priv->timeout,
295 &scr->priv->interval,
296 &scr->priv->prefer_blanking,
297 &scr->priv->allow_exposures);
298 XUnlockDisplay (GDK_DISPLAY());
300 if (scr->priv->timeout != 0) {
301 g_timeout_add_seconds (scr->priv->timeout / 2,
302 (GSourceFunc) fake_event, scr);
304 g_timeout_add_seconds (XSCREENSAVER_MIN_TIMEOUT / 2,
305 (GSourceFunc) fake_event, scr);
310 #endif /* HAVE_XTEST */
312 XLockDisplay (GDK_DISPLAY());
313 XGetScreenSaver(GDK_DISPLAY(), &scr->priv->timeout,
314 &scr->priv->interval,
315 &scr->priv->prefer_blanking,
316 &scr->priv->allow_exposures);
317 XSetScreenSaver(GDK_DISPLAY(), 0, 0,
318 DontPreferBlanking, DontAllowExposures);
319 XUnlockDisplay (GDK_DISPLAY());
323 screensaver_init_x11 (TotemScrsaver *scr)
328 XLockDisplay (GDK_DISPLAY());
329 scr->priv->have_xtest = (XTestQueryExtension (GDK_DISPLAY(), &a, &b, &c, &d) == True);
330 if (scr->priv->have_xtest != FALSE)
332 scr->priv->keycode1 = XKeysymToKeycode (GDK_DISPLAY(), XK_Alt_L);
333 if (scr->priv->keycode1 == 0) {
334 g_warning ("scr->priv->keycode1 not existant");
336 scr->priv->keycode2 = XKeysymToKeycode (GDK_DISPLAY(), XK_Alt_R);
337 if (scr->priv->keycode2 == 0) {
338 scr->priv->keycode2 = XKeysymToKeycode (GDK_DISPLAY(), XK_Alt_L);
339 if (scr->priv->keycode2 == 0) {
340 g_warning ("scr->priv->keycode2 not existant");
343 scr->priv->keycode = &scr->priv->keycode1;
345 XUnlockDisplay (GDK_DISPLAY());
346 #endif /* HAVE_XTEST */
350 screensaver_finalize_x11 (TotemScrsaver *scr)
352 g_source_remove_by_user_data (scr);
357 totem_scrsaver_class_init (TotemScrsaverClass *klass)
359 GObjectClass *object_class = G_OBJECT_CLASS (klass);
361 parent_class = g_type_class_peek_parent (klass);
363 object_class->finalize = totem_scrsaver_finalize;
367 totem_scrsaver_new (void)
369 return TOTEM_SCRSAVER (g_object_new (TOTEM_TYPE_SCRSAVER, NULL));
373 totem_scrsaver_init (TotemScrsaver *scr)
375 scr->priv = g_new0 (TotemScrsaverPrivate, 1);
377 screensaver_init_dbus (scr);
378 #ifdef GDK_WINDOWING_X11
379 screensaver_init_x11 (scr);
381 #warning Unimplemented
386 totem_scrsaver_disable (TotemScrsaver *scr)
388 g_return_if_fail (TOTEM_SCRSAVER (scr));
390 if (scr->priv->disabled != FALSE)
393 scr->priv->disabled = TRUE;
395 if (screensaver_is_running_dbus (scr) != FALSE)
396 screensaver_disable_dbus (scr);
398 #ifdef GDK_WINDOWING_X11
399 screensaver_disable_x11 (scr);
401 #warning Unimplemented
407 totem_scrsaver_enable (TotemScrsaver *scr)
409 g_return_if_fail (TOTEM_SCRSAVER (scr));
411 if (scr->priv->disabled == FALSE)
414 scr->priv->disabled = FALSE;
416 if (screensaver_is_running_dbus (scr) != FALSE)
417 screensaver_enable_dbus (scr);
419 #ifdef GDK_WINDOWING_X11
420 screensaver_enable_x11 (scr);
422 #warning Unimplemented
428 totem_scrsaver_set_state (TotemScrsaver *scr, gboolean enable)
430 g_return_if_fail (TOTEM_SCRSAVER (scr));
432 if (scr->priv->disabled == !enable)
436 totem_scrsaver_disable (scr);
438 totem_scrsaver_enable (scr);
442 totem_scrsaver_finalize (GObject *object)
444 TotemScrsaver *scr = TOTEM_SCRSAVER (object);
446 screensaver_finalize_dbus (scr);
447 #ifdef GDK_WINDOWING_X11
448 screensaver_finalize_x11 (scr);
450 #warning Unimplemented
456 if (G_OBJECT_CLASS (parent_class)->finalize != NULL) {
457 (* G_OBJECT_CLASS (parent_class)->finalize) (object);