/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
Copyright (C) 2004-2006 Bastien Nocera <hadess@hadess.net>
+ Copyright © 2010 Christian Persch
+ Copyright © 2010 Carlos Garcia Campos
The Gnome Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
You should have received a copy of the GNU Library General Public
License along with the Gnome Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301 USA.
- Author: Bastien Nocera <hadess@hadess.net>
+ Authors: Bastien Nocera <hadess@hadess.net>
+ Christian Persch
+ Carlos Garcia Campos
*/
-
#include "config.h"
-#include <glib/gi18n.h>
-
#include <gdk/gdk.h>
#ifdef GDK_WINDOWING_X11
#endif /* HAVE_XTEST */
#endif /* GDK_WINDOWING_X11 */
-#ifdef ENABLE_DBUS
-#include <dbus/dbus.h>
-#include <dbus/dbus-glib.h>
+#include "totem-scrsaver.h"
#define GS_SERVICE "org.gnome.ScreenSaver"
#define GS_PATH "/org/gnome/ScreenSaver"
#define GS_INTERFACE "org.gnome.ScreenSaver"
-#endif /* ENABLE_DBUS */
-
-#include "totem-scrsaver.h"
#define XSCREENSAVER_MIN_TIMEOUT 60
-static GObjectClass *parent_class = NULL;
-static void totem_scrsaver_class_init (TotemScrsaverClass *class);
-static void totem_scrsaver_init (TotemScrsaver *parser);
-static void totem_scrsaver_finalize (GObject *object);
+enum {
+ PROP_0,
+ PROP_REASON
+};
+static void totem_scrsaver_finalize (GObject *object);
struct TotemScrsaverPrivate {
/* Whether the screensaver is disabled */
gboolean disabled;
+ /* The reason for the inhibition */
+ char *reason;
-#ifdef ENABLE_DBUS
- DBusGConnection *connection;
- DBusGProxy *gs_proxy;
+ GDBusProxy *gs_proxy;
+ gboolean have_screensaver_dbus;
guint32 cookie;
-#endif /* ENABLE_DBUS */
+ gboolean old_dbus_api;
/* To save the screensaver info */
int timeout;
static gboolean
screensaver_is_running_dbus (TotemScrsaver *scr)
{
-#ifdef ENABLE_DBUS
- if (! scr->priv->connection)
- return FALSE;
-
- if (! scr->priv->gs_proxy)
- return FALSE;
-
- return TRUE;
-#else
- return FALSE;
-#endif /* ENABLE_DBUS */
+ return scr->priv->have_screensaver_dbus;
}
static void
-screensaver_inhibit_dbus (TotemScrsaver *scr,
- gboolean inhibit)
+on_inhibit_cb (GObject *source_object,
+ GAsyncResult *res,
+ gpointer user_data)
{
-#ifdef ENABLE_DBUS
- GError *error;
- gboolean res;
-
- g_return_if_fail (scr != NULL);
- g_return_if_fail (scr->priv->connection != NULL);
- g_return_if_fail (scr->priv->gs_proxy != NULL);
-
- error = NULL;
- if (inhibit) {
- char *application;
- char *reason;
- guint32 cookie;
-
- application = g_strdup ("Evince");
- reason = g_strdup (_("Running in presentation mode"));
-
- res = dbus_g_proxy_call (scr->priv->gs_proxy,
- "Inhibit",
- &error,
- G_TYPE_STRING, application,
- G_TYPE_STRING, reason,
- G_TYPE_INVALID,
- G_TYPE_UINT, &cookie,
- G_TYPE_INVALID);
-
- if (res) {
- /* save the cookie */
- scr->priv->cookie = cookie;
- } else {
+ GDBusProxy *proxy = G_DBUS_PROXY (source_object);
+ TotemScrsaver *scr = TOTEM_SCRSAVER (user_data);
+ GVariant *value;
+ GError *error = NULL;
+
+ value = g_dbus_proxy_call_finish (proxy, res, &error);
+ if (!value) {
+ if (!scr->priv->old_dbus_api &&
+ g_error_matches (error, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD)) {
+ g_return_if_fail (scr->priv->reason != NULL);
/* try the old API */
- res = dbus_g_proxy_call (scr->priv->gs_proxy,
- "InhibitActivation",
- &error,
- G_TYPE_STRING, reason,
- G_TYPE_INVALID,
- G_TYPE_INVALID);
+ scr->priv->old_dbus_api = TRUE;
+ g_dbus_proxy_call (proxy,
+ "InhibitActivation",
+ g_variant_new ("(s)",
+ scr->priv->reason),
+ G_DBUS_CALL_FLAGS_NO_AUTO_START,
+ -1,
+ NULL,
+ on_inhibit_cb,
+ scr);
+ } else {
+ g_warning ("Problem inhibiting the screensaver: %s", error->message);
}
+ g_error_free (error);
+
+ return;
+ }
- g_free (reason);
- g_free (application);
+ /* save the cookie */
+ if (g_variant_is_of_type (value, G_VARIANT_TYPE ("(u)")))
+ g_variant_get (value, "(u)", &scr->priv->cookie);
+ else
+ scr->priv->cookie = 0;
+ g_variant_unref (value);
+}
- } else {
- res = dbus_g_proxy_call (scr->priv->gs_proxy,
- "UnInhibit",
- &error,
- G_TYPE_UINT, scr->priv->cookie,
- G_TYPE_INVALID,
- G_TYPE_INVALID);
- if (res) {
- /* clear the cookie */
- scr->priv->cookie = 0;
- } else {
+static void
+on_uninhibit_cb (GObject *source_object,
+ GAsyncResult *res,
+ gpointer user_data)
+{
+ GDBusProxy *proxy = G_DBUS_PROXY (source_object);
+ TotemScrsaver *scr = TOTEM_SCRSAVER (user_data);
+ GVariant *value;
+ GError *error = NULL;
+
+ value = g_dbus_proxy_call_finish (proxy, res, &error);
+ if (!value) {
+ if (!scr->priv->old_dbus_api &&
+ g_error_matches (error, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD)) {
/* try the old API */
- res = dbus_g_proxy_call (scr->priv->gs_proxy,
- "AllowActivation",
- &error,
- G_TYPE_INVALID,
- G_TYPE_INVALID);
+ scr->priv->old_dbus_api = TRUE;
+ g_dbus_proxy_call (proxy,
+ "AllowActivation",
+ g_variant_new ("()"),
+ G_DBUS_CALL_FLAGS_NO_AUTO_START,
+ -1,
+ NULL,
+ on_uninhibit_cb,
+ scr);
+ } else {
+ g_warning ("Problem uninhibiting the screensaver: %s", error->message);
}
+ g_error_free (error);
+
+ return;
}
- if (! res) {
- if (error) {
- g_warning ("Problem inhibiting the screensaver: %s", error->message);
- g_error_free (error);
- }
+ /* clear the cookie */
+ scr->priv->cookie = 0;
+ g_variant_unref (value);
+}
+
+static void
+screensaver_inhibit_dbus (TotemScrsaver *scr,
+ gboolean inhibit)
+{
+ TotemScrsaverPrivate *priv = scr->priv;
+
+ if (!priv->have_screensaver_dbus)
+ return;
+
+ scr->priv->old_dbus_api = FALSE;
+
+ if (inhibit) {
+ g_return_if_fail (scr->priv->reason != NULL);
+ g_dbus_proxy_call (priv->gs_proxy,
+ "Inhibit",
+ g_variant_new ("(ss)",
+ g_get_application_name (),
+ scr->priv->reason),
+ G_DBUS_CALL_FLAGS_NO_AUTO_START,
+ -1,
+ NULL,
+ on_inhibit_cb,
+ scr);
+ } else {
+ g_dbus_proxy_call (priv->gs_proxy,
+ "UnInhibit",
+ g_variant_new ("(u)", priv->cookie),
+ G_DBUS_CALL_FLAGS_NO_AUTO_START,
+ -1,
+ NULL,
+ on_uninhibit_cb,
+ scr);
}
-#endif /* ENABLE_DBUS */
}
static void
screensaver_inhibit_dbus (scr, TRUE);
}
-#ifdef ENABLE_DBUS
static void
-gs_proxy_destroy_cb (GObject *proxy,
- TotemScrsaver *scr)
+screensaver_update_dbus_presence (TotemScrsaver *scr)
{
- g_warning ("Detected that GNOME screensaver has left the bus");
+ TotemScrsaverPrivate *priv = scr->priv;
+ gchar *name_owner;
- /* just invalidate for now */
- scr->priv->gs_proxy = NULL;
+ name_owner = g_dbus_proxy_get_name_owner (priv->gs_proxy);
+ if (name_owner) {
+ priv->have_screensaver_dbus = TRUE;
+ g_free (name_owner);
+ } else {
+ priv->have_screensaver_dbus = FALSE;
+ }
}
-#endif
-#ifdef ENABLE_DBUS
static void
-screensaver_init_dbus (TotemScrsaver *scr, DBusGConnection *connection)
+screensaver_dbus_owner_changed_cb (GObject *object,
+ GParamSpec *pspec,
+ gpointer user_data)
{
- GError *error = NULL;
+ TotemScrsaver *scr = TOTEM_SCRSAVER (user_data);
- if (!connection)
- scr->priv->connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
- else
- scr->priv->connection = connection;
+ screensaver_update_dbus_presence (scr);
+}
- if (! scr->priv->connection) {
- if (error) {
- g_warning ("Failed to connect to the session bus: %s", error->message);
- g_error_free (error);
- }
+static void
+screensaver_dbus_proxy_new_cb (GObject *source,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ TotemScrsaver *scr = TOTEM_SCRSAVER (user_data);
+ TotemScrsaverPrivate *priv = scr->priv;
+
+ priv->gs_proxy = g_dbus_proxy_new_for_bus_finish (result, NULL);
+ if (!priv->gs_proxy)
return;
- }
- scr->priv->gs_proxy = dbus_g_proxy_new_for_name_owner (scr->priv->connection,
- GS_SERVICE,
- GS_PATH,
- GS_INTERFACE,
- NULL);
- if (scr->priv->gs_proxy != NULL) {
- g_signal_connect_object (scr->priv->gs_proxy,
- "destroy",
- G_CALLBACK (gs_proxy_destroy_cb),
- scr,
- 0);
+ screensaver_update_dbus_presence (scr);
- }
+ g_signal_connect (priv->gs_proxy, "notify::g-name-owner",
+ G_CALLBACK (screensaver_dbus_owner_changed_cb),
+ scr);
+}
+static void
+screensaver_init_dbus (TotemScrsaver *scr)
+{
+ g_dbus_proxy_new_for_bus (G_BUS_TYPE_SESSION,
+ G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES,
+ NULL,
+ GS_SERVICE,
+ GS_PATH,
+ GS_INTERFACE,
+ NULL,
+ screensaver_dbus_proxy_new_cb,
+ scr);
}
-#endif /* ENABLE_DBUS */
static void
screensaver_finalize_dbus (TotemScrsaver *scr)
{
-#ifdef ENABLE_DBUS
if (scr->priv->gs_proxy) {
g_object_unref (scr->priv->gs_proxy);
}
-#endif /* ENABLE_DBUS */
}
#ifdef GDK_WINDOWING_X11
&scr->priv->allow_exposures);
XUnlockDisplay (GDK_DISPLAY());
- if (scr->priv->timeout != 0)
- {
+ if (scr->priv->timeout != 0) {
g_timeout_add_seconds (scr->priv->timeout / 2,
(GSourceFunc) fake_event, scr);
} else {
g_timeout_add_seconds (XSCREENSAVER_MIN_TIMEOUT / 2,
- (GSourceFunc) fake_event, scr);
+ (GSourceFunc) fake_event, scr);
}
return;
}
#endif
+static void
+totem_scrsaver_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ TotemScrsaver *scr;
+
+ scr = TOTEM_SCRSAVER (object);
+
+ switch (property_id)
+ {
+ case PROP_REASON:
+ g_value_set_string (value, scr->priv->reason);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ }
+}
+
+static void
+totem_scrsaver_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ TotemScrsaver *scr;
+
+ scr = TOTEM_SCRSAVER (object);
+
+ switch (property_id)
+ {
+ case PROP_REASON:
+ g_free (scr->priv->reason);
+ scr->priv->reason = g_value_dup_string (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ }
+}
+
static void
totem_scrsaver_class_init (TotemScrsaverClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
- parent_class = g_type_class_peek_parent (klass);
+ g_type_class_add_private (klass, sizeof (TotemScrsaverPrivate));
+ object_class->set_property = totem_scrsaver_set_property;
+ object_class->get_property = totem_scrsaver_get_property;
object_class->finalize = totem_scrsaver_finalize;
+
+ g_object_class_install_property (object_class, PROP_REASON,
+ g_param_spec_string ("reason", NULL, NULL,
+ NULL, G_PARAM_READWRITE));
+
}
-#ifdef ENABLE_DBUS
+/**
+ * totem_scrsaver_new:
+ *
+ * Creates a #TotemScrsaver object.
+ * If the GNOME screen saver is running, it uses its DBUS interface to
+ * inhibit the screensaver; otherwise it falls back to using the X
+ * screensaver functionality for this.
+ *
+ * Returns: a newly created #TotemScrsaver
+ */
TotemScrsaver *
-totem_scrsaver_new (DBusGConnection *connection)
+totem_scrsaver_new (void)
{
- TotemScrsaver * scr;
- scr = TOTEM_SCRSAVER (g_object_new (TOTEM_TYPE_SCRSAVER, NULL));
-
- screensaver_init_dbus (scr, connection);
-#ifdef GDK_WINDOWING_X11
- screensaver_init_x11 (scr);
-#else
-#warning Unimplemented
-#endif
-
- return scr;
+ return TOTEM_SCRSAVER (g_object_new (TOTEM_TYPE_SCRSAVER, NULL));
}
-#else
-TotemScrsaver *
-totem_scrsaver_new()
+
+static void
+totem_scrsaver_init (TotemScrsaver *scr)
{
- TotemScrsaver * scr;
- scr = TOTEM_SCRSAVER (g_object_new (TOTEM_TYPE_SCRSAVER, NULL));
+ scr->priv = G_TYPE_INSTANCE_GET_PRIVATE (scr,
+ TOTEM_TYPE_SCRSAVER,
+ TotemScrsaverPrivate);
+ screensaver_init_dbus (scr);
#ifdef GDK_WINDOWING_X11
screensaver_init_x11 (scr);
#else
#warning Unimplemented
#endif
-
- return scr;
-}
-#endif
-
-static void
-totem_scrsaver_init (TotemScrsaver *scr)
-{
- scr->priv = g_new0 (TotemScrsaverPrivate, 1);
-
-
}
void
if (screensaver_is_running_dbus (scr) != FALSE)
screensaver_enable_dbus (scr);
- else
+ else
#ifdef GDK_WINDOWING_X11
screensaver_enable_x11 (scr);
#else
#endif
}
+void
+totem_scrsaver_set_state (TotemScrsaver *scr, gboolean enable)
+{
+ g_return_if_fail (TOTEM_SCRSAVER (scr));
+
+ if (scr->priv->disabled == !enable)
+ return;
+
+ if (enable == FALSE)
+ totem_scrsaver_disable (scr);
+ else
+ totem_scrsaver_enable (scr);
+}
+
static void
totem_scrsaver_finalize (GObject *object)
{
TotemScrsaver *scr = TOTEM_SCRSAVER (object);
+ g_free (scr->priv->reason);
+
screensaver_finalize_dbus (scr);
#ifdef GDK_WINDOWING_X11
screensaver_finalize_x11 (scr);
{}
#endif
- g_free (scr->priv);
-
- if (G_OBJECT_CLASS (parent_class)->finalize != NULL) {
- (* G_OBJECT_CLASS (parent_class)->finalize) (object);
- }
+ G_OBJECT_CLASS (totem_scrsaver_parent_class)->finalize (object);
}
-