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authorPerberos <[email protected]>2011-11-04 22:16:15 -0300
committerPerberos <[email protected]>2011-11-04 22:16:15 -0300
commitfff4ecc82f2bcfa7427596e7ad9c3769fcab040b (patch)
treeac4f1812a7991609c9c32c776daede2d8492f7b5 /src/gs-manager.c
downloadmate-screensaver-fff4ecc82f2bcfa7427596e7ad9c3769fcab040b.tar.bz2
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2004-2008 William Jon McCann <[email protected]>
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Authors: William Jon McCann <[email protected]>
+ *
+ */
+
+#include "config.h"
+
+#include <time.h>
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+
+#include <mateconf/mateconf-engine.h>
+#include <mateconf/mateconf-client.h>
+
+#define MATE_DESKTOP_USE_UNSTABLE_API
+#include <libmateui/mate-bg.h>
+
+#include "gs-prefs.h" /* for GSSaverMode */
+
+#include "gs-manager.h"
+#include "gs-window.h"
+#include "gs-theme-manager.h"
+#include "gs-job.h"
+#include "gs-grab.h"
+#include "gs-fade.h"
+#include "gs-debug.h"
+
+static void gs_manager_class_init (GSManagerClass *klass);
+static void gs_manager_init (GSManager *manager);
+static void gs_manager_finalize (GObject *object);
+
+#define GS_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GS_TYPE_MANAGER, GSManagerPrivate))
+
+struct GSManagerPrivate
+{
+ GSList *windows;
+ GHashTable *jobs;
+
+ GSThemeManager *theme_manager;
+ MateConfClient *client;
+ MateBG *bg;
+ guint bg_notify_id;
+
+ /* Policy */
+ glong lock_timeout;
+ glong cycle_timeout;
+ glong logout_timeout;
+
+ guint lock_enabled : 1;
+ guint logout_enabled : 1;
+ guint keyboard_enabled : 1;
+ guint user_switch_enabled : 1;
+ guint throttled : 1;
+
+ char *logout_command;
+ char *keyboard_command;
+
+ char *status_message;
+
+ /* State */
+ guint active : 1;
+ guint lock_active : 1;
+
+ guint fading : 1;
+ guint dialog_up : 1;
+
+ time_t activate_time;
+
+ guint lock_timeout_id;
+ guint cycle_timeout_id;
+
+ GSList *themes;
+ GSSaverMode saver_mode;
+ GSGrab *grab;
+ GSFade *fade;
+ guint unfade_idle_id;
+};
+
+enum
+{
+ ACTIVATED,
+ DEACTIVATED,
+ AUTH_REQUEST_BEGIN,
+ AUTH_REQUEST_END,
+ LAST_SIGNAL
+};
+
+enum
+{
+ PROP_0,
+ PROP_LOCK_ENABLED,
+ PROP_LOGOUT_ENABLED,
+ PROP_USER_SWITCH_ENABLED,
+ PROP_KEYBOARD_ENABLED,
+ PROP_LOCK_TIMEOUT,
+ PROP_CYCLE_TIMEOUT,
+ PROP_LOGOUT_TIMEOUT,
+ PROP_LOGOUT_COMMAND,
+ PROP_KEYBOARD_COMMAND,
+ PROP_STATUS_MESSAGE,
+ PROP_ACTIVE,
+ PROP_THROTTLED,
+};
+
+#define FADE_TIMEOUT 1000
+
+static guint signals [LAST_SIGNAL] = { 0, };
+
+G_DEFINE_TYPE (GSManager, gs_manager, G_TYPE_OBJECT)
+
+static void
+manager_add_job_for_window (GSManager *manager,
+ GSWindow *window,
+ GSJob *job)
+{
+ if (manager->priv->jobs == NULL)
+ {
+ return;
+ }
+
+ g_hash_table_insert (manager->priv->jobs, window, job);
+}
+
+static const char *
+select_theme (GSManager *manager)
+{
+ const char *theme = NULL;
+
+ g_return_val_if_fail (manager != NULL, NULL);
+ g_return_val_if_fail (GS_IS_MANAGER (manager), NULL);
+
+ if (manager->priv->saver_mode == GS_MODE_BLANK_ONLY)
+ {
+ return NULL;
+ }
+
+ if (manager->priv->themes)
+ {
+ int number = 0;
+
+ if (manager->priv->saver_mode == GS_MODE_RANDOM)
+ {
+ g_random_set_seed (time (NULL));
+ number = g_random_int_range (0, g_slist_length (manager->priv->themes));
+ }
+ theme = g_slist_nth_data (manager->priv->themes, number);
+ }
+
+ return theme;
+}
+
+static GSJob *
+lookup_job_for_window (GSManager *manager,
+ GSWindow *window)
+{
+ GSJob *job;
+
+ if (manager->priv->jobs == NULL)
+ {
+ return NULL;
+ }
+
+ job = g_hash_table_lookup (manager->priv->jobs, window);
+
+ return job;
+}
+
+static void
+manager_maybe_stop_job_for_window (GSManager *manager,
+ GSWindow *window)
+{
+ GSJob *job;
+
+ job = lookup_job_for_window (manager, window);
+
+ if (job == NULL)
+ {
+ gs_debug ("Job not found for window");
+ return;
+ }
+
+ gs_job_stop (job);
+}
+
+static void
+manager_maybe_start_job_for_window (GSManager *manager,
+ GSWindow *window)
+{
+ GSJob *job;
+
+ job = lookup_job_for_window (manager, window);
+
+ if (job == NULL)
+ {
+ gs_debug ("Job not found for window");
+ return;
+ }
+
+ if (! manager->priv->dialog_up)
+ {
+ if (! manager->priv->throttled)
+ {
+ if (! gs_job_is_running (job))
+ {
+ if (! gs_window_is_obscured (window))
+ {
+ gs_debug ("Starting job for window");
+ gs_job_start (job);
+ }
+ else
+ {
+ gs_debug ("Window is obscured deferring start of job");
+ }
+ }
+ else
+ {
+ gs_debug ("Not starting job because job is running");
+ }
+ }
+ else
+ {
+ gs_debug ("Not starting job because throttled");
+ }
+ }
+ else
+ {
+ gs_debug ("Not starting job because dialog is up");
+ }
+}
+
+static void
+manager_select_theme_for_job (GSManager *manager,
+ GSJob *job)
+{
+ const char *theme;
+
+ theme = select_theme (manager);
+
+ if (theme != NULL)
+ {
+ GSThemeInfo *info;
+ const char *command;
+
+ command = NULL;
+
+ info = gs_theme_manager_lookup_theme_info (manager->priv->theme_manager, theme);
+ if (info != NULL)
+ {
+ command = gs_theme_info_get_exec (info);
+ }
+ else
+ {
+ gs_debug ("Could not find information for theme: %s",
+ theme);
+ }
+
+ gs_job_set_command (job, command);
+
+
+ if (info != NULL)
+ {
+ gs_theme_info_unref (info);
+ }
+ }
+ else
+ {
+ gs_job_set_command (job, NULL);
+ }
+}
+
+static void
+cycle_job (GSWindow *window,
+ GSJob *job,
+ GSManager *manager)
+{
+ gs_job_stop (job);
+ manager_select_theme_for_job (manager, job);
+ manager_maybe_start_job_for_window (manager, window);
+}
+
+static void
+manager_cycle_jobs (GSManager *manager)
+{
+ if (manager->priv->jobs != NULL)
+ {
+ g_hash_table_foreach (manager->priv->jobs, (GHFunc) cycle_job, manager);
+ }
+}
+
+static void
+throttle_job (GSWindow *window,
+ GSJob *job,
+ GSManager *manager)
+{
+ if (manager->priv->throttled)
+ {
+ gs_job_stop (job);
+ }
+ else
+ {
+ manager_maybe_start_job_for_window (manager, window);
+ }
+}
+
+static void
+manager_throttle_jobs (GSManager *manager)
+{
+ if (manager->priv->jobs != NULL)
+ {
+ g_hash_table_foreach (manager->priv->jobs, (GHFunc) throttle_job, manager);
+ }
+}
+
+static void
+resume_job (GSWindow *window,
+ GSJob *job,
+ GSManager *manager)
+{
+ if (gs_job_is_running (job))
+ {
+ gs_job_suspend (job, FALSE);
+ }
+ else
+ {
+ manager_maybe_start_job_for_window (manager, window);
+ }
+}
+
+static void
+manager_resume_jobs (GSManager *manager)
+{
+ if (manager->priv->jobs != NULL)
+ {
+ g_hash_table_foreach (manager->priv->jobs, (GHFunc) resume_job, manager);
+ }
+}
+
+static void
+suspend_job (GSWindow *window,
+ GSJob *job,
+ GSManager *manager)
+{
+ gs_job_suspend (job, TRUE);
+}
+
+static void
+manager_suspend_jobs (GSManager *manager)
+{
+ if (manager->priv->jobs != NULL)
+ {
+ g_hash_table_foreach (manager->priv->jobs, (GHFunc) suspend_job, manager);
+ }
+}
+
+static void
+manager_stop_jobs (GSManager *manager)
+{
+ if (manager->priv->jobs != NULL)
+ {
+ g_hash_table_destroy (manager->priv->jobs);
+
+ }
+ manager->priv->jobs = NULL;
+}
+
+void
+gs_manager_set_mode (GSManager *manager,
+ GSSaverMode mode)
+{
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ manager->priv->saver_mode = mode;
+}
+
+static void
+free_themes (GSManager *manager)
+{
+ if (manager->priv->themes)
+ {
+ g_slist_foreach (manager->priv->themes, (GFunc)g_free, NULL);
+ g_slist_free (manager->priv->themes);
+ }
+}
+
+void
+gs_manager_set_themes (GSManager *manager,
+ GSList *themes)
+{
+ GSList *l;
+
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ free_themes (manager);
+ manager->priv->themes = NULL;
+
+ for (l = themes; l; l = l->next)
+ {
+ manager->priv->themes = g_slist_append (manager->priv->themes, g_strdup (l->data));
+ }
+}
+
+void
+gs_manager_set_throttled (GSManager *manager,
+ gboolean throttled)
+{
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ if (manager->priv->throttled != throttled)
+ {
+ GSList *l;
+
+ manager->priv->throttled = throttled;
+
+ if (! manager->priv->dialog_up)
+ {
+
+ manager_throttle_jobs (manager);
+
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ gs_window_clear (l->data);
+ }
+ }
+ }
+}
+
+void
+gs_manager_get_lock_active (GSManager *manager,
+ gboolean *lock_active)
+{
+ if (lock_active != NULL)
+ {
+ *lock_active = FALSE;
+ }
+
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ *lock_active = manager->priv->lock_active;
+}
+
+void
+gs_manager_set_lock_active (GSManager *manager,
+ gboolean lock_active)
+{
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ gs_debug ("Setting lock active: %d", lock_active);
+
+ if (manager->priv->lock_active != lock_active)
+ {
+ GSList *l;
+
+ manager->priv->lock_active = lock_active;
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ gs_window_set_lock_enabled (l->data, lock_active);
+ }
+ }
+}
+
+void
+gs_manager_get_lock_enabled (GSManager *manager,
+ gboolean *lock_enabled)
+{
+ if (lock_enabled != NULL)
+ {
+ *lock_enabled = FALSE;
+ }
+
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ *lock_enabled = manager->priv->lock_enabled;
+}
+
+void
+gs_manager_set_lock_enabled (GSManager *manager,
+ gboolean lock_enabled)
+{
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ if (manager->priv->lock_enabled != lock_enabled)
+ {
+ manager->priv->lock_enabled = lock_enabled;
+ }
+}
+
+void
+gs_manager_set_logout_enabled (GSManager *manager,
+ gboolean logout_enabled)
+{
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ if (manager->priv->logout_enabled != logout_enabled)
+ {
+ GSList *l;
+
+ manager->priv->logout_enabled = logout_enabled;
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ gs_window_set_logout_enabled (l->data, logout_enabled);
+ }
+ }
+}
+
+void
+gs_manager_set_keyboard_enabled (GSManager *manager,
+ gboolean enabled)
+{
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ if (manager->priv->keyboard_enabled != enabled)
+ {
+ GSList *l;
+
+ manager->priv->keyboard_enabled = enabled;
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ gs_window_set_keyboard_enabled (l->data, enabled);
+ }
+ }
+}
+
+void
+gs_manager_set_user_switch_enabled (GSManager *manager,
+ gboolean user_switch_enabled)
+{
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ if (manager->priv->user_switch_enabled != user_switch_enabled)
+ {
+ GSList *l;
+
+ manager->priv->user_switch_enabled = user_switch_enabled;
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ gs_window_set_user_switch_enabled (l->data, user_switch_enabled);
+ }
+ }
+}
+
+static gboolean
+activate_lock_timeout (GSManager *manager)
+{
+ if (manager->priv->lock_enabled)
+ {
+ gs_manager_set_lock_active (manager, TRUE);
+ }
+
+ manager->priv->lock_timeout_id = 0;
+
+ return FALSE;
+}
+
+static void
+remove_lock_timer (GSManager *manager)
+{
+ if (manager->priv->lock_timeout_id != 0)
+ {
+ g_source_remove (manager->priv->lock_timeout_id);
+ manager->priv->lock_timeout_id = 0;
+ }
+}
+
+static void
+add_lock_timer (GSManager *manager,
+ glong timeout)
+{
+ manager->priv->lock_timeout_id = g_timeout_add (timeout,
+ (GSourceFunc)activate_lock_timeout,
+ manager);
+}
+
+void
+gs_manager_set_lock_timeout (GSManager *manager,
+ glong lock_timeout)
+{
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ if (manager->priv->lock_timeout != lock_timeout)
+ {
+
+ manager->priv->lock_timeout = lock_timeout;
+
+ if (manager->priv->active
+ && ! manager->priv->lock_active
+ && (lock_timeout >= 0))
+ {
+
+ glong elapsed = (time (NULL) - manager->priv->activate_time) * 1000;
+
+ remove_lock_timer (manager);
+
+ if (elapsed >= lock_timeout)
+ {
+ activate_lock_timeout (manager);
+ }
+ else
+ {
+ add_lock_timer (manager, lock_timeout - elapsed);
+ }
+ }
+ }
+}
+
+void
+gs_manager_set_logout_timeout (GSManager *manager,
+ glong logout_timeout)
+{
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ if (manager->priv->logout_timeout != logout_timeout)
+ {
+ GSList *l;
+
+ manager->priv->logout_timeout = logout_timeout;
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ gs_window_set_logout_timeout (l->data, logout_timeout);
+ }
+ }
+}
+
+void
+gs_manager_set_logout_command (GSManager *manager,
+ const char *command)
+{
+ GSList *l;
+
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ g_free (manager->priv->logout_command);
+
+ if (command)
+ {
+ manager->priv->logout_command = g_strdup (command);
+ }
+ else
+ {
+ manager->priv->logout_command = NULL;
+ }
+
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ gs_window_set_logout_command (l->data, manager->priv->logout_command);
+ }
+}
+
+void
+gs_manager_set_keyboard_command (GSManager *manager,
+ const char *command)
+{
+ GSList *l;
+
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ g_free (manager->priv->keyboard_command);
+
+ if (command)
+ {
+ manager->priv->keyboard_command = g_strdup (command);
+ }
+ else
+ {
+ manager->priv->keyboard_command = NULL;
+ }
+
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ gs_window_set_keyboard_command (l->data, manager->priv->keyboard_command);
+ }
+}
+
+void
+gs_manager_set_status_message (GSManager *manager,
+ const char *status_message)
+{
+ GSList *l;
+
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ g_free (manager->priv->status_message);
+
+ manager->priv->status_message = g_strdup (status_message);
+
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ gs_window_set_status_message (l->data, manager->priv->status_message);
+ }
+}
+
+gboolean
+gs_manager_cycle (GSManager *manager)
+{
+ g_return_val_if_fail (manager != NULL, FALSE);
+ g_return_val_if_fail (GS_IS_MANAGER (manager), FALSE);
+
+ gs_debug ("cycling jobs");
+
+ if (! manager->priv->active)
+ {
+ return FALSE;
+ }
+
+ if (manager->priv->dialog_up)
+ {
+ return FALSE;
+ }
+
+ if (manager->priv->throttled)
+ {
+ return FALSE;
+ }
+
+ manager_cycle_jobs (manager);
+
+ return TRUE;
+}
+
+static gboolean
+cycle_timeout (GSManager *manager)
+{
+ g_return_val_if_fail (manager != NULL, FALSE);
+ g_return_val_if_fail (GS_IS_MANAGER (manager), FALSE);
+
+ if (! manager->priv->dialog_up)
+ {
+ gs_manager_cycle (manager);
+ }
+
+ return TRUE;
+}
+
+static void
+remove_cycle_timer (GSManager *manager)
+{
+ if (manager->priv->cycle_timeout_id != 0)
+ {
+ g_source_remove (manager->priv->cycle_timeout_id);
+ manager->priv->cycle_timeout_id = 0;
+ }
+}
+
+static void
+add_cycle_timer (GSManager *manager,
+ glong timeout)
+{
+ manager->priv->cycle_timeout_id = g_timeout_add (timeout,
+ (GSourceFunc)cycle_timeout,
+ manager);
+}
+
+void
+gs_manager_set_cycle_timeout (GSManager *manager,
+ glong cycle_timeout)
+{
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ if (manager->priv->cycle_timeout != cycle_timeout)
+ {
+
+ manager->priv->cycle_timeout = cycle_timeout;
+
+ if (manager->priv->active && (cycle_timeout >= 0))
+ {
+ glong timeout;
+ glong elapsed = (time (NULL) - manager->priv->activate_time) * 1000;
+
+ remove_cycle_timer (manager);
+
+ if (elapsed >= cycle_timeout)
+ {
+ timeout = 0;
+ }
+ else
+ {
+ timeout = cycle_timeout - elapsed;
+ }
+
+ add_cycle_timer (manager, timeout);
+
+ }
+ }
+}
+
+static void
+gs_manager_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GSManager *self;
+
+ self = GS_MANAGER (object);
+
+ switch (prop_id)
+ {
+ case PROP_THROTTLED:
+ gs_manager_set_throttled (self, g_value_get_boolean (value));
+ break;
+ case PROP_LOCK_ENABLED:
+ gs_manager_set_lock_enabled (self, g_value_get_boolean (value));
+ break;
+ case PROP_LOCK_TIMEOUT:
+ gs_manager_set_lock_timeout (self, g_value_get_long (value));
+ break;
+ case PROP_LOGOUT_ENABLED:
+ gs_manager_set_logout_enabled (self, g_value_get_boolean (value));
+ break;
+ case PROP_KEYBOARD_ENABLED:
+ gs_manager_set_keyboard_enabled (self, g_value_get_boolean (value));
+ break;
+ case PROP_USER_SWITCH_ENABLED:
+ gs_manager_set_user_switch_enabled (self, g_value_get_boolean (value));
+ break;
+ case PROP_LOGOUT_TIMEOUT:
+ gs_manager_set_logout_timeout (self, g_value_get_long (value));
+ break;
+ case PROP_LOGOUT_COMMAND:
+ gs_manager_set_logout_command (self, g_value_get_string (value));
+ break;
+ case PROP_KEYBOARD_COMMAND:
+ gs_manager_set_keyboard_command (self, g_value_get_string (value));
+ break;
+ case PROP_STATUS_MESSAGE:
+ gs_manager_set_status_message (self, g_value_get_string (value));
+ break;
+ case PROP_CYCLE_TIMEOUT:
+ gs_manager_set_cycle_timeout (self, g_value_get_long (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gs_manager_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GSManager *self;
+
+ self = GS_MANAGER (object);
+
+ switch (prop_id)
+ {
+ case PROP_THROTTLED:
+ g_value_set_boolean (value, self->priv->throttled);
+ break;
+ case PROP_LOCK_ENABLED:
+ g_value_set_boolean (value, self->priv->lock_enabled);
+ break;
+ case PROP_LOCK_TIMEOUT:
+ g_value_set_long (value, self->priv->lock_timeout);
+ break;
+ case PROP_LOGOUT_ENABLED:
+ g_value_set_boolean (value, self->priv->logout_enabled);
+ break;
+ case PROP_KEYBOARD_ENABLED:
+ g_value_set_boolean (value, self->priv->keyboard_enabled);
+ break;
+ case PROP_USER_SWITCH_ENABLED:
+ g_value_set_boolean (value, self->priv->user_switch_enabled);
+ break;
+ case PROP_LOGOUT_TIMEOUT:
+ g_value_set_long (value, self->priv->logout_timeout);
+ break;
+ case PROP_LOGOUT_COMMAND:
+ g_value_set_string (value, self->priv->logout_command);
+ break;
+ case PROP_KEYBOARD_COMMAND:
+ g_value_set_string (value, self->priv->keyboard_command);
+ break;
+ case PROP_STATUS_MESSAGE:
+ g_value_set_string (value, self->priv->status_message);
+ break;
+ case PROP_CYCLE_TIMEOUT:
+ g_value_set_long (value, self->priv->cycle_timeout);
+ break;
+ case PROP_ACTIVE:
+ g_value_set_boolean (value, self->priv->active);
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gs_manager_class_init (GSManagerClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = gs_manager_finalize;
+ object_class->get_property = gs_manager_get_property;
+ object_class->set_property = gs_manager_set_property;
+
+ signals [ACTIVATED] =
+ g_signal_new ("activated",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GSManagerClass, activated),
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+ signals [DEACTIVATED] =
+ g_signal_new ("deactivated",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GSManagerClass, deactivated),
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+ signals [AUTH_REQUEST_BEGIN] =
+ g_signal_new ("auth-request-begin",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GSManagerClass, auth_request_begin),
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+ signals [AUTH_REQUEST_END] =
+ g_signal_new ("auth-request-end",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GSManagerClass, auth_request_end),
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
+ g_object_class_install_property (object_class,
+ PROP_ACTIVE,
+ g_param_spec_boolean ("active",
+ NULL,
+ NULL,
+ FALSE,
+ G_PARAM_READABLE));
+ g_object_class_install_property (object_class,
+ PROP_LOCK_ENABLED,
+ g_param_spec_boolean ("lock-enabled",
+ NULL,
+ NULL,
+ FALSE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_LOCK_TIMEOUT,
+ g_param_spec_long ("lock-timeout",
+ NULL,
+ NULL,
+ -1,
+ G_MAXLONG,
+ 0,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_LOGOUT_ENABLED,
+ g_param_spec_boolean ("logout-enabled",
+ NULL,
+ NULL,
+ FALSE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_USER_SWITCH_ENABLED,
+ g_param_spec_boolean ("user-switch-enabled",
+ NULL,
+ NULL,
+ FALSE,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_LOGOUT_TIMEOUT,
+ g_param_spec_long ("logout-timeout",
+ NULL,
+ NULL,
+ -1,
+ G_MAXLONG,
+ 0,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_LOGOUT_COMMAND,
+ g_param_spec_string ("logout-command",
+ NULL,
+ NULL,
+ NULL,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_CYCLE_TIMEOUT,
+ g_param_spec_long ("cycle-timeout",
+ NULL,
+ NULL,
+ 10000,
+ G_MAXLONG,
+ 300000,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_THROTTLED,
+ g_param_spec_boolean ("throttled",
+ NULL,
+ NULL,
+ TRUE,
+ G_PARAM_READWRITE));
+
+ g_type_class_add_private (klass, sizeof (GSManagerPrivate));
+}
+
+static void
+on_bg_changed (MateBG *bg,
+ GSManager *manager)
+{
+ gs_debug ("background changed");
+}
+
+static void
+mateconf_changed_callback (MateConfClient *client,
+ guint cnxn_id,
+ MateConfEntry *entry,
+ GSManager *manager)
+{
+ mate_bg_load_from_preferences (manager->priv->bg,
+ manager->priv->client);
+}
+
+static void
+watch_bg_preferences (GSManager *manager)
+{
+ g_assert (manager->priv->bg_notify_id == 0);
+
+ mateconf_client_add_dir (manager->priv->client,
+ MATE_BG_KEY_DIR,
+ MATECONF_CLIENT_PRELOAD_NONE,
+ NULL);
+ manager->priv->bg_notify_id = mateconf_client_notify_add (manager->priv->client,
+ MATE_BG_KEY_DIR,
+ (MateConfClientNotifyFunc)mateconf_changed_callback,
+ manager,
+ NULL,
+ NULL);
+}
+
+static MateConfClient *
+get_mateconf_client (void)
+{
+ MateConfClient *client;
+ GSList *addresses;
+ GError *error;
+ MateConfEngine *engine;
+
+ client = NULL;
+ addresses = NULL;
+
+ addresses = g_slist_prepend (addresses, "xml:merged:" SYSCONFDIR "/mateconf/mateconf.xml.mandatory");
+ addresses = g_slist_prepend (addresses, "xml:merged:" SYSCONFDIR "/mateconf/mateconf.xml.system");
+ addresses = g_slist_prepend (addresses, "xml:merged:" SYSCONFDIR "/mateconf/mateconf.xml.defaults");
+ addresses = g_slist_reverse (addresses);
+
+ error = NULL;
+ engine = mateconf_engine_get_for_addresses (addresses, &error);
+ if (engine == NULL)
+ {
+ gs_debug ("Unable to get mateconf engine for addresses: %s", error->message);
+ g_error_free (error);
+ }
+ else
+ {
+ client = mateconf_client_get_for_engine (engine);
+ }
+
+ g_slist_free (addresses);
+
+ return client;
+}
+
+static void
+gs_manager_init (GSManager *manager)
+{
+ manager->priv = GS_MANAGER_GET_PRIVATE (manager);
+
+ manager->priv->fade = gs_fade_new ();
+ manager->priv->grab = gs_grab_new ();
+ manager->priv->theme_manager = gs_theme_manager_new ();
+
+ manager->priv->client = get_mateconf_client ();
+ if (manager->priv->client != NULL)
+ {
+ manager->priv->bg = mate_bg_new ();
+
+ g_signal_connect (manager->priv->bg,
+ "changed",
+ G_CALLBACK (on_bg_changed),
+ manager);
+ watch_bg_preferences (manager);
+
+ mate_bg_load_from_preferences (manager->priv->bg, manager->priv->client);
+ }
+}
+
+static void
+remove_timers (GSManager *manager)
+{
+ remove_lock_timer (manager);
+ remove_cycle_timer (manager);
+}
+
+static void
+remove_unfade_idle (GSManager *manager)
+{
+ if (manager->priv->unfade_idle_id > 0)
+ {
+ g_source_remove (manager->priv->unfade_idle_id);
+ manager->priv->unfade_idle_id = 0;
+ }
+}
+
+
+static gboolean
+window_deactivated_idle (GSManager *manager)
+{
+ g_return_val_if_fail (manager != NULL, FALSE);
+ g_return_val_if_fail (GS_IS_MANAGER (manager), FALSE);
+
+ /* don't deactivate directly but only emit a signal
+ so that we let the parent deactivate */
+ g_signal_emit (manager, signals [DEACTIVATED], 0);
+
+ return FALSE;
+}
+
+static void
+window_deactivated_cb (GSWindow *window,
+ GSManager *manager)
+{
+ g_return_if_fail (manager != NULL);
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ g_idle_add ((GSourceFunc)window_deactivated_idle, manager);
+}
+
+static GSWindow *
+find_window_at_pointer (GSManager *manager)
+{
+ GdkDisplay *display;
+ GdkScreen *screen;
+ int monitor;
+ int x, y;
+ GSWindow *window;
+ int screen_num;
+ GSList *l;
+
+ display = gdk_display_get_default ();
+ gdk_display_get_pointer (display, &screen, &x, &y, NULL);
+ monitor = gdk_screen_get_monitor_at_point (screen, x, y);
+ screen_num = gdk_screen_get_number (screen);
+
+ /* Find the gs-window that is on that screen */
+ window = NULL;
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ GSWindow *win = GS_WINDOW (l->data);
+ if (gs_window_get_screen (win) == screen
+ && gs_window_get_monitor (win) == monitor)
+ {
+ window = win;
+ }
+ }
+
+ if (window == NULL)
+ {
+ gs_debug ("WARNING: Could not find the GSWindow for screen %d", screen_num);
+ /* take the first one */
+ window = manager->priv->windows->data;
+ }
+ else
+ {
+ gs_debug ("Requesting unlock for screen %d", screen_num);
+ }
+
+ return window;
+}
+
+void
+gs_manager_show_message (GSManager *manager,
+ const char *summary,
+ const char *body,
+ const char *icon)
+{
+ GSWindow *window;
+
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ /* Find the GSWindow that contains the pointer */
+ window = find_window_at_pointer (manager);
+ gs_window_show_message (window, summary, body, icon);
+
+ gs_manager_request_unlock (manager);
+}
+
+static gboolean
+manager_maybe_grab_window (GSManager *manager,
+ GSWindow *window)
+{
+ GdkDisplay *display;
+ GdkScreen *screen;
+ int monitor;
+ int x, y;
+ gboolean grabbed;
+
+ display = gdk_display_get_default ();
+ gdk_display_get_pointer (display, &screen, &x, &y, NULL);
+ monitor = gdk_screen_get_monitor_at_point (screen, x, y);
+
+ gdk_flush ();
+ grabbed = FALSE;
+ if (gs_window_get_screen (window) == screen
+ && gs_window_get_monitor (window) == monitor)
+ {
+ gs_debug ("Moving grab to %p", window);
+ gs_grab_move_to_window (manager->priv->grab,
+ gs_window_get_gdk_window (window),
+ gs_window_get_screen (window),
+ FALSE);
+ grabbed = TRUE;
+ }
+
+ return grabbed;
+}
+
+static void
+window_grab_broken_cb (GSWindow *window,
+ GdkEventGrabBroken *event,
+ GSManager *manager)
+{
+ gs_debug ("GRAB BROKEN!");
+ if (event->keyboard)
+ {
+ gs_grab_keyboard_reset (manager->priv->grab);
+ }
+ else
+ {
+ gs_grab_mouse_reset (manager->priv->grab);
+ }
+}
+
+static gboolean
+unfade_idle (GSManager *manager)
+{
+ gs_debug ("resetting fade");
+ gs_fade_reset (manager->priv->fade);
+ manager->priv->unfade_idle_id = 0;
+ return FALSE;
+}
+
+
+static void
+add_unfade_idle (GSManager *manager)
+{
+ remove_unfade_idle (manager);
+ manager->priv->unfade_idle_id = g_timeout_add (500, (GSourceFunc)unfade_idle, manager);
+}
+
+static gboolean
+window_map_event_cb (GSWindow *window,
+ GdkEvent *event,
+ GSManager *manager)
+{
+ gs_debug ("Handling window map_event event");
+
+ manager_maybe_grab_window (manager, window);
+
+ manager_maybe_start_job_for_window (manager, window);
+
+ return FALSE;
+}
+
+static void
+window_map_cb (GSWindow *window,
+ GSManager *manager)
+{
+ gs_debug ("Handling window map event");
+}
+
+static void
+window_unmap_cb (GSWindow *window,
+ GSManager *manager)
+{
+ gs_debug ("window unmapped!");
+}
+
+static void
+apply_background_to_window (GSManager *manager,
+ GSWindow *window)
+{
+ GdkPixmap *pixmap;
+ GdkScreen *screen;
+ int width;
+ int height;
+
+ if (manager->priv->bg == NULL)
+ {
+ gs_debug ("No background available");
+ gs_window_set_background_pixmap (window, NULL);
+ }
+
+ screen = gs_window_get_screen (window);
+ width = gdk_screen_get_width (screen);
+ height = gdk_screen_get_height (screen);
+ gs_debug ("Creating pixmap background w:%d h:%d", width, height);
+ pixmap = mate_bg_create_pixmap (manager->priv->bg,
+ gs_window_get_gdk_window (window),
+ width,
+ height,
+ FALSE);
+ gs_window_set_background_pixmap (window, pixmap);
+ g_object_unref (pixmap);
+}
+
+static void
+manager_show_window (GSManager *manager,
+ GSWindow *window)
+{
+ GSJob *job;
+
+ apply_background_to_window (manager, window);
+
+ job = gs_job_new_for_widget (gs_window_get_drawing_area (window));
+
+ manager_select_theme_for_job (manager, job);
+ manager_add_job_for_window (manager, window, job);
+
+ manager->priv->activate_time = time (NULL);
+
+ if (manager->priv->lock_timeout >= 0)
+ {
+ remove_lock_timer (manager);
+ add_lock_timer (manager, manager->priv->lock_timeout);
+ }
+
+ if (manager->priv->cycle_timeout >= 10000)
+ {
+ remove_cycle_timer (manager);
+ add_cycle_timer (manager, manager->priv->cycle_timeout);
+ }
+
+ add_unfade_idle (manager);
+
+ /* FIXME: only emit signal once */
+ g_signal_emit (manager, signals [ACTIVATED], 0);
+}
+
+static void
+window_show_cb (GSWindow *window,
+ GSManager *manager)
+{
+
+ g_return_if_fail (manager != NULL);
+ g_return_if_fail (GS_IS_MANAGER (manager));
+ g_return_if_fail (window != NULL);
+ g_return_if_fail (GS_IS_WINDOW (window));
+
+ gs_debug ("Handling window show");
+ manager_show_window (manager, window);
+}
+
+static void
+maybe_set_window_throttle (GSManager *manager,
+ GSWindow *window,
+ gboolean throttled)
+{
+ if (throttled)
+ {
+ manager_maybe_stop_job_for_window (manager, window);
+ }
+ else
+ {
+ manager_maybe_start_job_for_window (manager, window);
+ }
+}
+
+static void
+window_obscured_cb (GSWindow *window,
+ GParamSpec *pspec,
+ GSManager *manager)
+{
+ gboolean obscured;
+
+ obscured = gs_window_is_obscured (window);
+ gs_debug ("Handling window obscured: %s", obscured ? "obscured" : "unobscured");
+
+ maybe_set_window_throttle (manager, window, obscured);
+
+ if (! obscured)
+ {
+ gs_manager_request_unlock (manager);
+ }
+}
+
+static void
+handle_window_dialog_up (GSManager *manager,
+ GSWindow *window)
+{
+ GSList *l;
+
+ g_return_if_fail (manager != NULL);
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ gs_debug ("Handling dialog up");
+
+ g_signal_emit (manager, signals [AUTH_REQUEST_BEGIN], 0);
+
+ manager->priv->dialog_up = TRUE;
+ /* Make all other windows insensitive so we don't get events */
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ if (l->data != window)
+ {
+ gtk_widget_set_sensitive (GTK_WIDGET (l->data), FALSE);
+ }
+ }
+
+ /* Move keyboard and mouse grabs so dialog can be used */
+ gs_grab_move_to_window (manager->priv->grab,
+ gs_window_get_gdk_window (window),
+ gs_window_get_screen (window),
+ FALSE);
+
+ /* Release the pointer grab while dialog is up so that
+ the dialog can be used. We'll regrab it when the dialog goes down. */
+ gs_grab_release_mouse (manager->priv->grab);
+
+ if (! manager->priv->throttled)
+ {
+ gs_debug ("Suspending jobs");
+
+ manager_suspend_jobs (manager);
+ }
+}
+
+static void
+handle_window_dialog_down (GSManager *manager,
+ GSWindow *window)
+{
+ GSList *l;
+
+ g_return_if_fail (manager != NULL);
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ gs_debug ("Handling dialog down");
+
+ /* Regrab the mouse */
+ gs_grab_move_to_window (manager->priv->grab,
+ gs_window_get_gdk_window (window),
+ gs_window_get_screen (window),
+ FALSE);
+
+ /* Make all windows sensitive so we get events */
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ gtk_widget_set_sensitive (GTK_WIDGET (l->data), TRUE);
+ }
+
+ manager->priv->dialog_up = FALSE;
+
+ if (! manager->priv->throttled)
+ {
+ manager_resume_jobs (manager);
+ }
+
+ g_signal_emit (manager, signals [AUTH_REQUEST_END], 0);
+}
+
+static void
+window_dialog_up_changed_cb (GSWindow *window,
+ GParamSpec *pspec,
+ GSManager *manager)
+{
+ gboolean up;
+
+ up = gs_window_is_dialog_up (window);
+ gs_debug ("Handling window dialog up changed: %s", up ? "up" : "down");
+ if (up)
+ {
+ handle_window_dialog_up (manager, window);
+ }
+ else
+ {
+ handle_window_dialog_down (manager, window);
+ }
+}
+
+static gboolean
+window_activity_cb (GSWindow *window,
+ GSManager *manager)
+{
+ gboolean handled;
+
+ handled = gs_manager_request_unlock (manager);
+
+ return handled;
+}
+
+static void
+disconnect_window_signals (GSManager *manager,
+ GSWindow *window)
+{
+ g_signal_handlers_disconnect_by_func (window, window_deactivated_cb, manager);
+ g_signal_handlers_disconnect_by_func (window, window_activity_cb, manager);
+ g_signal_handlers_disconnect_by_func (window, window_show_cb, manager);
+ g_signal_handlers_disconnect_by_func (window, window_map_cb, manager);
+ g_signal_handlers_disconnect_by_func (window, window_map_event_cb, manager);
+ g_signal_handlers_disconnect_by_func (window, window_obscured_cb, manager);
+ g_signal_handlers_disconnect_by_func (window, window_dialog_up_changed_cb, manager);
+ g_signal_handlers_disconnect_by_func (window, window_unmap_cb, manager);
+ g_signal_handlers_disconnect_by_func (window, window_grab_broken_cb, manager);
+}
+
+static void
+window_destroyed_cb (GtkWindow *window,
+ GSManager *manager)
+{
+ disconnect_window_signals (manager, GS_WINDOW (window));
+}
+
+static void
+connect_window_signals (GSManager *manager,
+ GSWindow *window)
+{
+ g_signal_connect_object (window, "destroy",
+ G_CALLBACK (window_destroyed_cb), manager, 0);
+ g_signal_connect_object (window, "activity",
+ G_CALLBACK (window_activity_cb), manager, 0);
+ g_signal_connect_object (window, "deactivated",
+ G_CALLBACK (window_deactivated_cb), manager, 0);
+ g_signal_connect_object (window, "show",
+ G_CALLBACK (window_show_cb), manager, G_CONNECT_AFTER);
+ g_signal_connect_object (window, "map",
+ G_CALLBACK (window_map_cb), manager, G_CONNECT_AFTER);
+ g_signal_connect_object (window, "map_event",
+ G_CALLBACK (window_map_event_cb), manager, G_CONNECT_AFTER);
+ g_signal_connect_object (window, "notify::obscured",
+ G_CALLBACK (window_obscured_cb), manager, G_CONNECT_AFTER);
+ g_signal_connect_object (window, "notify::dialog-up",
+ G_CALLBACK (window_dialog_up_changed_cb), manager, 0);
+ g_signal_connect_object (window, "unmap",
+ G_CALLBACK (window_unmap_cb), manager, G_CONNECT_AFTER);
+ g_signal_connect_object (window, "grab_broken_event",
+ G_CALLBACK (window_grab_broken_cb), manager, G_CONNECT_AFTER);
+}
+
+static void
+gs_manager_create_window_for_monitor (GSManager *manager,
+ GdkScreen *screen,
+ int monitor)
+{
+ GSWindow *window;
+ GdkRectangle rect;
+
+ gdk_screen_get_monitor_geometry (screen, monitor, &rect);
+
+ gs_debug ("Creating window for monitor %d [%d,%d] (%dx%d)",
+ monitor, rect.x, rect.y, rect.width, rect.height);
+
+ window = gs_window_new (screen, monitor, manager->priv->lock_active);
+
+ gs_window_set_user_switch_enabled (window, manager->priv->user_switch_enabled);
+ gs_window_set_logout_enabled (window, manager->priv->logout_enabled);
+ gs_window_set_logout_timeout (window, manager->priv->logout_timeout);
+ gs_window_set_logout_command (window, manager->priv->logout_command);
+ gs_window_set_keyboard_enabled (window, manager->priv->keyboard_enabled);
+ gs_window_set_keyboard_command (window, manager->priv->keyboard_command);
+ gs_window_set_status_message (window, manager->priv->status_message);
+
+ connect_window_signals (manager, window);
+
+ manager->priv->windows = g_slist_append (manager->priv->windows, window);
+
+ if (manager->priv->active && !manager->priv->fading)
+ {
+ gtk_widget_show (GTK_WIDGET (window));
+ }
+}
+
+static void
+on_screen_monitors_changed (GdkScreen *screen,
+ GSManager *manager)
+{
+ GSList *l;
+ int n_monitors;
+ int n_windows;
+ int i;
+
+ n_monitors = gdk_screen_get_n_monitors (screen);
+ n_windows = g_slist_length (manager->priv->windows);
+
+ gs_debug ("Monitors changed for screen %d: num=%d",
+ gdk_screen_get_number (screen),
+ n_monitors);
+
+ if (n_monitors > n_windows)
+ {
+
+ /* Tear down unlock dialog in case we want to move it
+ * to a new monitor
+ */
+ l = manager->priv->windows;
+ while (l != NULL)
+ {
+ gs_window_cancel_unlock_request (GS_WINDOW (l->data));
+ l = l->next;
+ }
+
+ /* add more windows */
+ for (i = n_windows; i < n_monitors; i++)
+ {
+ gs_manager_create_window_for_monitor (manager, screen, i);
+ }
+
+ /* And put unlock dialog up where ever it's supposed to be
+ */
+ gs_manager_request_unlock (manager);
+ }
+ else
+ {
+
+ gdk_x11_grab_server ();
+
+ /* remove the extra windows */
+ l = manager->priv->windows;
+ while (l != NULL)
+ {
+ GdkScreen *this_screen;
+ int this_monitor;
+ GSList *next = l->next;
+
+ this_screen = gs_window_get_screen (GS_WINDOW (l->data));
+ this_monitor = gs_window_get_monitor (GS_WINDOW (l->data));
+ if (this_screen == screen && this_monitor >= n_monitors)
+ {
+ manager_maybe_stop_job_for_window (manager, GS_WINDOW (l->data));
+ g_hash_table_remove (manager->priv->jobs, l->data);
+ gs_window_destroy (GS_WINDOW (l->data));
+ manager->priv->windows = g_slist_delete_link (manager->priv->windows, l);
+ }
+ l = next;
+ }
+
+ /* make sure there is a lock dialog on a connected monitor,
+ * and that the keyboard is still properly grabbed after all
+ * the windows above got destroyed*/
+ if (n_windows > n_monitors)
+ {
+ gs_manager_request_unlock (manager);
+ }
+
+ gdk_flush ();
+ gdk_x11_ungrab_server ();
+ }
+}
+
+static void
+gs_manager_destroy_windows (GSManager *manager)
+{
+ GdkDisplay *display;
+ GSList *l;
+ int n_screens;
+ int i;
+
+ g_return_if_fail (manager != NULL);
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ if (manager->priv->windows == NULL)
+ {
+ return;
+ }
+
+ display = gdk_display_get_default ();
+
+ n_screens = gdk_display_get_n_screens (display);
+
+ for (i = 0; i < n_screens; i++)
+ {
+ g_signal_handlers_disconnect_by_func (gdk_display_get_screen (display, i),
+ on_screen_monitors_changed,
+ manager);
+ }
+
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ gs_window_destroy (l->data);
+ }
+ g_slist_free (manager->priv->windows);
+ manager->priv->windows = NULL;
+}
+
+static void
+gs_manager_finalize (GObject *object)
+{
+ GSManager *manager;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GS_IS_MANAGER (object));
+
+ manager = GS_MANAGER (object);
+
+ g_return_if_fail (manager->priv != NULL);
+
+ if (manager->priv->bg_notify_id != 0)
+ {
+ mateconf_client_remove_dir (manager->priv->client,
+ MATE_BG_KEY_DIR,
+ NULL);
+ mateconf_client_notify_remove (manager->priv->client,
+ manager->priv->bg_notify_id);
+ manager->priv->bg_notify_id = 0;
+ }
+ if (manager->priv->bg != NULL)
+ {
+ g_object_unref (manager->priv->bg);
+ }
+ if (manager->priv->client != NULL)
+ {
+ g_object_unref (manager->priv->client);
+ }
+
+ free_themes (manager);
+ g_free (manager->priv->logout_command);
+ g_free (manager->priv->keyboard_command);
+ g_free (manager->priv->status_message);
+
+ remove_unfade_idle (manager);
+ remove_timers (manager);
+
+ gs_grab_release (manager->priv->grab);
+
+ manager_stop_jobs (manager);
+
+ gs_manager_destroy_windows (manager);
+
+ manager->priv->active = FALSE;
+ manager->priv->activate_time = 0;
+ manager->priv->lock_enabled = FALSE;
+
+ g_object_unref (manager->priv->fade);
+ g_object_unref (manager->priv->grab);
+ g_object_unref (manager->priv->theme_manager);
+
+ G_OBJECT_CLASS (gs_manager_parent_class)->finalize (object);
+}
+
+static void
+gs_manager_create_windows_for_screen (GSManager *manager,
+ GdkScreen *screen)
+{
+ int n_monitors;
+ int i;
+
+ g_return_if_fail (manager != NULL);
+ g_return_if_fail (GS_IS_MANAGER (manager));
+ g_return_if_fail (GDK_IS_SCREEN (screen));
+
+ g_object_ref (manager);
+ g_object_ref (screen);
+
+ n_monitors = gdk_screen_get_n_monitors (screen);
+
+ gs_debug ("Creating %d windows for screen %d", n_monitors, gdk_screen_get_number (screen));
+
+ for (i = 0; i < n_monitors; i++)
+ {
+ gs_manager_create_window_for_monitor (manager, screen, i);
+ }
+
+ g_object_unref (screen);
+ g_object_unref (manager);
+}
+
+static void
+gs_manager_create_windows (GSManager *manager)
+{
+ GdkDisplay *display;
+ int n_screens;
+ int i;
+
+ g_return_if_fail (manager != NULL);
+ g_return_if_fail (GS_IS_MANAGER (manager));
+
+ g_assert (manager->priv->windows == NULL);
+
+ display = gdk_display_get_default ();
+ n_screens = gdk_display_get_n_screens (display);
+
+ for (i = 0; i < n_screens; i++)
+ {
+ g_signal_connect (gdk_display_get_screen (display, i),
+ "monitors-changed",
+ G_CALLBACK (on_screen_monitors_changed),
+ manager);
+
+ gs_manager_create_windows_for_screen (manager, gdk_display_get_screen (display, i));
+ }
+}
+
+GSManager *
+gs_manager_new (void)
+{
+ GObject *manager;
+
+ manager = g_object_new (GS_TYPE_MANAGER, NULL);
+
+ return GS_MANAGER (manager);
+}
+
+static void
+show_windows (GSList *windows)
+{
+ GSList *l;
+
+ for (l = windows; l; l = l->next)
+ {
+ gtk_widget_show (GTK_WIDGET (l->data));
+ }
+}
+
+static void
+remove_job (GSJob *job)
+{
+ if (job == NULL)
+ {
+ return;
+ }
+
+ gs_job_stop (job);
+ g_object_unref (job);
+}
+
+static void
+fade_done_cb (GSFade *fade,
+ GSManager *manager)
+{
+ gs_debug ("fade completed, showing windows");
+ show_windows (manager->priv->windows);
+ manager->priv->fading = FALSE;
+}
+
+static gboolean
+gs_manager_activate (GSManager *manager)
+{
+ gboolean do_fade;
+ gboolean res;
+
+ g_return_val_if_fail (manager != NULL, FALSE);
+ g_return_val_if_fail (GS_IS_MANAGER (manager), FALSE);
+
+ if (manager->priv->active)
+ {
+ gs_debug ("Trying to activate manager when already active");
+ return FALSE;
+ }
+
+ res = gs_grab_grab_root (manager->priv->grab, FALSE);
+ if (! res)
+ {
+ return FALSE;
+ }
+
+ if (manager->priv->windows == NULL)
+ {
+ gs_manager_create_windows (GS_MANAGER (manager));
+ }
+
+ manager->priv->jobs = g_hash_table_new_full (g_direct_hash,
+ g_direct_equal,
+ NULL,
+ (GDestroyNotify)remove_job);
+
+ manager->priv->active = TRUE;
+
+ /* fade to black and show windows */
+ do_fade = TRUE;
+ if (do_fade)
+ {
+ manager->priv->fading = TRUE;
+ gs_debug ("fading out");
+ gs_fade_async (manager->priv->fade,
+ FADE_TIMEOUT,
+ (GSFadeDoneFunc)fade_done_cb,
+ manager);
+
+ while (manager->priv->fading)
+ {
+ gtk_main_iteration ();
+ }
+ }
+ else
+ {
+ show_windows (manager->priv->windows);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gs_manager_deactivate (GSManager *manager)
+{
+ g_return_val_if_fail (manager != NULL, FALSE);
+ g_return_val_if_fail (GS_IS_MANAGER (manager), FALSE);
+
+ if (! manager->priv->active)
+ {
+ gs_debug ("Trying to deactivate a screensaver that is not active");
+ return FALSE;
+ }
+
+ remove_unfade_idle (manager);
+ gs_fade_reset (manager->priv->fade);
+ remove_timers (manager);
+
+ gs_grab_release (manager->priv->grab);
+
+ manager_stop_jobs (manager);
+
+ gs_manager_destroy_windows (manager);
+
+ /* reset state */
+ manager->priv->active = FALSE;
+ manager->priv->activate_time = 0;
+ manager->priv->lock_active = FALSE;
+ manager->priv->dialog_up = FALSE;
+ manager->priv->fading = FALSE;
+
+ return TRUE;
+}
+
+gboolean
+gs_manager_set_active (GSManager *manager,
+ gboolean active)
+{
+ gboolean res;
+
+ if (active)
+ {
+ res = gs_manager_activate (manager);
+ }
+ else
+ {
+ res = gs_manager_deactivate (manager);
+ }
+
+ return res;
+}
+
+gboolean
+gs_manager_get_active (GSManager *manager)
+{
+ g_return_val_if_fail (manager != NULL, FALSE);
+ g_return_val_if_fail (GS_IS_MANAGER (manager), FALSE);
+
+ return manager->priv->active;
+}
+
+gboolean
+gs_manager_request_unlock (GSManager *manager)
+{
+ GSWindow *window;
+
+ g_return_val_if_fail (manager != NULL, FALSE);
+ g_return_val_if_fail (GS_IS_MANAGER (manager), FALSE);
+
+ if (! manager->priv->active)
+ {
+ gs_debug ("Request unlock but manager is not active");
+ return FALSE;
+ }
+
+ if (manager->priv->dialog_up)
+ {
+ gs_debug ("Request unlock but dialog is already up");
+ return FALSE;
+ }
+
+ if (manager->priv->fading)
+ {
+ gs_debug ("Request unlock so finishing fade");
+ gs_fade_finish (manager->priv->fade);
+ }
+
+ if (manager->priv->windows == NULL)
+ {
+ gs_debug ("We don't have any windows!");
+ return FALSE;
+ }
+
+ /* Find the GSWindow that contains the pointer */
+ window = find_window_at_pointer (manager);
+ gs_window_request_unlock (window);
+
+ return TRUE;
+}
+
+void
+gs_manager_cancel_unlock_request (GSManager *manager)
+{
+ GSList *l;
+ for (l = manager->priv->windows; l; l = l->next)
+ {
+ gs_window_cancel_unlock_request (l->data);
+ }
+}