cleanup: Use g_clear_handle_id() for g_source_remove()

It makes sure we do not forget to zero the id and lets us avoid
zero checks before. We use it for all new code, lets clean up the
existing code base.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/947

clutter/clutter/cally/cally-actor.c

@@ -310,11 +310,7 @@ cally_actor_finalize (GObject *obj)
 
   _cally_actor_clean_action_list (cally_actor);
 
-  if (priv->action_idle_handler)
+  g_clear_handle_id (&priv->action_idle_handler, g_source_remove);
-    {
-      g_source_remove (priv->action_idle_handler);
-      priv->action_idle_handler = 0;
-    }
 
   if (priv->action_queue)
     {

clutter/clutter/cally/cally-text.c

@@ -247,11 +247,7 @@ cally_text_finalize   (GObject *obj)
 /*   g_object_unref (cally_text->priv->textutil); */
 /*   cally_text->priv->textutil = NULL; */
 
-  if (cally_text->priv->insert_idle_handler)
+  g_clear_handle_id (&cally_text->priv->insert_idle_handler, g_source_remove);
-    {
-      g_source_remove (cally_text->priv->insert_idle_handler);
-      cally_text->priv->insert_idle_handler = 0;
-    }
 
   G_OBJECT_CLASS (cally_text_parent_class)->finalize (obj);
 }

clutter/clutter/clutter-click-action.c

@@ -257,8 +257,7 @@ click_action_cancel_long_press (ClutterClickAction *action)
 
       actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (action));
 
-      g_source_remove (priv->long_press_id);
+      g_clear_handle_id (&priv->long_press_id, g_source_remove);
-      priv->long_press_id = 0;
 
       g_signal_emit (action, click_signals[LONG_PRESS], 0,
                      actor,
@@ -373,11 +372,7 @@ on_captured_event (ClutterActor       *stage,
       /* disconnect the capture */
       g_clear_signal_handler (&priv->capture_id, priv->stage);
 
-      if (priv->long_press_id != 0)
+      g_clear_handle_id (&priv->long_press_id, g_source_remove);
-        {
-          g_source_remove (priv->long_press_id);
-          priv->long_press_id = 0;
-        }
 
       if (!clutter_actor_contains (actor, clutter_event_get_source (event)))
         return CLUTTER_EVENT_PROPAGATE;
@@ -459,11 +454,7 @@ clutter_click_action_set_actor (ClutterActorMeta *meta,
       priv->stage = NULL;
     }
 
-  if (priv->long_press_id != 0)
+  g_clear_handle_id (&priv->long_press_id, g_source_remove);
-    {
-      g_source_remove (priv->long_press_id);
-      priv->long_press_id = 0;
-    }
 
   click_action_set_pressed (action, FALSE);
   click_action_set_held (action, FALSE);
@@ -542,11 +533,7 @@ clutter_click_action_dispose (GObject *gobject)
 
   g_clear_signal_handler (&priv->capture_id, priv->stage);
 
-  if (priv->long_press_id)
+  g_clear_handle_id (&priv->long_press_id, g_source_remove);
-    {
-      g_source_remove (priv->long_press_id);
-      priv->long_press_id = 0;
-    }
 
   G_OBJECT_CLASS (clutter_click_action_parent_class)->dispose (gobject);
 }

clutter/clutter/clutter-input-pointer-a11y.c

@@ -197,8 +197,8 @@ stop_secondary_click_timeout (ClutterInputDevice *device)
 {
   if (device->ptr_a11y_data->secondary_click_timer)
     {
-      g_source_remove (device->ptr_a11y_data->secondary_click_timer);
+      g_clear_handle_id (&device->ptr_a11y_data->secondary_click_timer,
-      device->ptr_a11y_data->secondary_click_timer = 0;
+                         g_source_remove);
 
       g_signal_emit_by_name (device->device_manager,
                              "ptr-a11y-timeout-stopped",
@@ -511,8 +511,7 @@ stop_dwell_timeout (ClutterInputDevice *device)
 {
   if (device->ptr_a11y_data->dwell_timer)
     {
-      g_source_remove (device->ptr_a11y_data->dwell_timer);
+      g_clear_handle_id (&device->ptr_a11y_data->dwell_timer, g_source_remove);
-      device->ptr_a11y_data->dwell_timer = 0;
       device->ptr_a11y_data->dwell_gesture_started = FALSE;
 
       g_signal_emit_by_name (device->device_manager,

clutter/clutter/clutter-text.c

@@ -1763,11 +1763,7 @@ clutter_text_dispose (GObject *gobject)
   g_clear_signal_handler (&priv->settings_changed_id,
                           clutter_get_default_backend ());
 
-  if (priv->password_hint_id)
+  g_clear_handle_id (&priv->password_hint_id, g_source_remove);
-    {
-      g_source_remove (priv->password_hint_id);
-      priv->password_hint_id = 0;
-    }
 
   clutter_text_set_buffer (self, NULL);
 
@@ -2450,8 +2446,7 @@ clutter_text_key_press (ClutterActor    *actor,
 
           if (priv->show_password_hint)
             {
-              if (priv->password_hint_id != 0)
+              g_clear_handle_id (&priv->password_hint_id, g_source_remove);
-                g_source_remove (priv->password_hint_id);
 
               priv->password_hint_visible = TRUE;
               priv->password_hint_id =

cogl/tests/conform/test-materials.c

@@ -245,7 +245,7 @@ test_materials (TestUtilsGTestFixture *fixture,
 
   clutter_main ();
 
-  g_source_remove (idle_source);
+  g_clear_handle_id (&idle_source, g_source_remove);
 
   if (cogl_test_verbose ())
     g_print ("OK\n");

cogl/tests/conform/test-multitexture.c

@@ -199,7 +199,7 @@ test_multitexture (TestUtilsGTestFixture *fixture,
 
   clutter_main ();
 
-  g_source_remove (idle_source);
+  g_clear_handle_id (&idle_source, g_source_remove);
 
   if (cogl_test_verbose ())
     g_print ("OK\n");

cogl/tests/conform/test-readpixels.c

@@ -165,7 +165,7 @@ test_readpixels (TestUtilsGTestFixture *fixture,
   clutter_actor_show (stage);
   clutter_main ();
 
-  g_source_remove (idle_source);
+  g_clear_handle_id (&idle_source, g_source_remove);
 
   /* Remove all of the actors from the stage */
   clutter_actor_remove_all_children (stage);

cogl/tests/conform/test-texture-mipmaps.c

@@ -129,7 +129,7 @@ test_texture_mipmaps (TestUtilsGTestFixture *fixture,
 
   clutter_main ();
 
-  g_source_remove (idle_source);
+  g_clear_handle_id (&idle_source, g_source_remove);
 
   if (cogl_test_verbose ())
     g_print ("OK\n");

cogl/tests/conform/test-texture-pixmap-x11.c

@@ -228,7 +228,7 @@ test_texture_pixmap_x11 (TestUtilsGTestFixture *fixture,
 
   g_clear_signal_handler (&paint_handler, state.stage);
 
-  g_source_remove (idle_handler);
+  g_clear_handle_id (&idle_handler, g_source_remove);
 
   XFreePixmap (state.display, state.pixmap);
 

cogl/tests/conform/test-vertex-buffer-contiguous.c

@@ -249,7 +249,7 @@ test_vertex_buffer_contiguous (TestUtilsGTestFixture *fixture,
   cogl_object_unref (state.material);
   cogl_object_unref (state.texture);
 
-  g_source_remove (idle_source);
+  g_clear_handle_id (&idle_source, g_source_remove);
 
   if (cogl_test_verbose ())
     g_print ("OK\n");

cogl/tests/conform/test-vertex-buffer-interleved.c

@@ -154,7 +154,7 @@ test_vertex_buffer_interleved (TestUtilsGTestFixture *fixture,
 
   cogl_object_unref (state.buffer);
 
-  g_source_remove (idle_source);
+  g_clear_handle_id (&idle_source, g_source_remove);
 
   if (cogl_test_verbose ())
     g_print ("OK\n");

cogl/tests/conform/test-viewport.c

@@ -403,7 +403,7 @@ test_viewport (TestUtilsGTestFixture *fixture,
   clutter_actor_show (stage);
   clutter_main ();
 
-  g_source_remove (idle_source);
+  g_clear_handle_id (&idle_source, g_source_remove);
 
   /* Remove all of the actors from the stage */
   clutter_actor_remove_all_children (stage);

src/backends/meta-backend.c

@@ -208,8 +208,7 @@ meta_backend_finalize (GObject *object)
   g_clear_object (&priv->system_bus);
   g_clear_object (&priv->upower_proxy);
 
-  if (priv->device_update_idle_id)
+  g_clear_handle_id (&priv->device_update_idle_id, g_source_remove);
-    g_source_remove (priv->device_update_idle_id);
 
   g_hash_table_destroy (priv->device_monitors);
 

src/backends/meta-idle-monitor.c

@@ -64,11 +64,7 @@ meta_idle_monitor_watch_fire (MetaIdleMonitorWatch *watch)
   monitor = watch->monitor;
   g_object_ref (monitor);
 
-  if (watch->idle_source_id)
+  g_clear_handle_id (&watch->idle_source_id, g_source_remove);
-    {
-      g_source_remove (watch->idle_source_id);
-      watch->idle_source_id = 0;
-    }
 
   id = watch->id;
   is_user_active_watch = (watch->timeout_msec == 0);
@@ -161,11 +157,7 @@ free_watch (gpointer data)
 
   g_object_ref (monitor);
 
-  if (watch->idle_source_id)
+  g_clear_handle_id (&watch->idle_source_id, g_source_remove);
-    {
-      g_source_remove (watch->idle_source_id);
-      watch->idle_source_id = 0;
-    }
 
   if (watch->notify != NULL)
     watch->notify (watch->user_data);

src/backends/meta-monitor-manager.c

@@ -1232,8 +1232,7 @@ save_config_timeout (gpointer user_data)
 static void
 cancel_persistent_confirmation (MetaMonitorManager *manager)
 {
-  g_source_remove (manager->persistent_timeout_id);
+  g_clear_handle_id (&manager->persistent_timeout_id, g_source_remove);
-  manager->persistent_timeout_id = 0;
 }
 
 static void

src/backends/native/meta-cursor-renderer-native.c

@@ -166,8 +166,7 @@ meta_cursor_renderer_native_finalize (GObject *object)
   MetaCursorRendererNativePrivate *priv =
     meta_cursor_renderer_native_get_instance_private (renderer);
 
-  if (priv->animation_timeout_id)
+  g_clear_handle_id (&priv->animation_timeout_id, g_source_remove);
-    g_source_remove (priv->animation_timeout_id);
 
   G_OBJECT_CLASS (meta_cursor_renderer_native_parent_class)->finalize (object);
 }
@@ -658,11 +657,7 @@ maybe_schedule_cursor_sprite_animation_frame (MetaCursorRendererNative *native,
   if (!cursor_change && priv->animation_timeout_id)
     return;
 
-  if (priv->animation_timeout_id)
+  g_clear_handle_id (&priv->animation_timeout_id, g_source_remove);
-    {
-      g_source_remove (priv->animation_timeout_id);
-      priv->animation_timeout_id = 0;
-    }
 
   if (cursor_sprite && meta_cursor_sprite_is_animated (cursor_sprite))
     {

src/backends/native/meta-input-device-native.c

@@ -235,8 +235,7 @@ meta_input_device_native_free_pending_slow_key (gpointer data)
   SlowKeysEventPending *slow_keys_event = data;
 
   clutter_event_free (slow_keys_event->event);
-  if (slow_keys_event->timer)
+  g_clear_handle_id (&slow_keys_event->timer, g_source_remove);
-    g_source_remove (slow_keys_event->timer);
   g_free (slow_keys_event);
 }
 
@@ -381,11 +380,7 @@ start_bounce_keys (ClutterEvent          *event,
 static void
 stop_bounce_keys (MetaInputDeviceNative *device)
 {
-  if (device->debounce_timer)
+  g_clear_handle_id (&device->debounce_timer, g_source_remove);
-    {
-      g_source_remove (device->debounce_timer);
-      device->debounce_timer = 0;
-    }
 }
 
 static void
@@ -656,11 +651,7 @@ start_toggle_slowkeys (MetaInputDeviceNative *device)
 static void
 stop_toggle_slowkeys (MetaInputDeviceNative *device)
 {
-  if (device->toggle_slowkeys_timer)
+  g_clear_handle_id (&device->toggle_slowkeys_timer, g_source_remove);
-    {
-      g_source_remove (device->toggle_slowkeys_timer);
-      device->toggle_slowkeys_timer = 0;
-    }
 }
 
 static void
@@ -988,11 +979,7 @@ stop_mousekeys_move (MetaInputDeviceNative *device)
   device->mousekeys_first_motion_time = 0;
   device->mousekeys_last_motion_time = 0;
 
-  if (device->move_mousekeys_timer)
+  g_clear_handle_id (&device->move_mousekeys_timer, g_source_remove);
-    {
-      g_source_remove (device->move_mousekeys_timer);
-      device->move_mousekeys_timer = 0;
-    }
 }
 
 static void

src/backends/native/meta-renderer-native.c

@@ -4143,7 +4143,8 @@ meta_renderer_native_finalize (GObject *object)
     {
       g_list_free_full (renderer_native->power_save_page_flip_onscreens,
                         (GDestroyNotify) cogl_object_unref);
-      g_source_remove (renderer_native->power_save_page_flip_source_id);
+      g_clear_handle_id (&renderer_native->power_save_page_flip_source_id,
+                         g_source_remove);
     }
 
   g_hash_table_destroy (renderer_native->gpu_datas);

src/backends/native/meta-seat-native.c

@@ -207,8 +207,7 @@ meta_seat_native_clear_repeat_timer (MetaSeatNative *seat)
 {
   if (seat->repeat_timer)
     {
-      g_source_remove (seat->repeat_timer);
+      g_clear_handle_id (&seat->repeat_timer, g_source_remove);
-      seat->repeat_timer = 0;
       g_clear_object (&seat->repeat_device);
     }
 }

src/backends/x11/meta-input-device-x11.c

@@ -107,8 +107,7 @@ meta_input_device_x11_finalize (GObject *object)
   if (device_xi2->group_modes)
     g_array_unref (device_xi2->group_modes);
 
-  if (device_xi2->inhibit_pointer_query_timer)
+  g_clear_handle_id (&device_xi2->inhibit_pointer_query_timer, g_source_remove);
-    g_source_remove (device_xi2->inhibit_pointer_query_timer);
 #endif
 
   G_OBJECT_CLASS (meta_input_device_x11_parent_class)->finalize (object);

src/backends/x11/meta-stage-x11.c

@@ -799,8 +799,8 @@ meta_stage_x11_translate_event (MetaStageX11 *stage_x11,
                * fallback to redrawing the full stage until the cooling
                * off period is over.
                */
-              if (stage_x11->clipped_redraws_cool_off)
+              g_clear_handle_id (&stage_x11->clipped_redraws_cool_off,
-                g_source_remove (stage_x11->clipped_redraws_cool_off);
+                                 g_source_remove);
 
               stage_x11->clipped_redraws_cool_off =
                 clutter_threads_add_timeout (1000,

src/compositor/meta-shaped-texture.c

@@ -228,11 +228,7 @@ meta_shaped_texture_dispose (GObject *object)
 {
   MetaShapedTexture *stex = (MetaShapedTexture *) object;
 
-  if (stex->remipmap_timeout_id)
+  g_clear_handle_id (&stex->remipmap_timeout_id, g_source_remove);
-    {
-      g_source_remove (stex->remipmap_timeout_id);
-      stex->remipmap_timeout_id = 0;
-    }
 
   if (stex->paint_tower)
     meta_texture_tower_free (stex->paint_tower);

src/compositor/meta-window-actor-x11.c

@@ -144,8 +144,7 @@ remove_frame_messages_timer (MetaWindowActorX11 *actor_x11)
 {
   g_assert (actor_x11->send_frame_messages_timer != 0);
 
-  g_source_remove (actor_x11->send_frame_messages_timer);
+  g_clear_handle_id (&actor_x11->send_frame_messages_timer, g_source_remove);
-  actor_x11->send_frame_messages_timer = 0;
 }
 
 static void

src/core/display.c

@@ -522,8 +522,7 @@ static void
 ping_data_free (MetaPingData *ping_data)
 {
   /* Remove the timeout */
-  if (ping_data->ping_timeout_id != 0)
+  g_clear_handle_id (&ping_data->ping_timeout_id, g_source_remove);
-    g_source_remove (ping_data->ping_timeout_id);
 
   g_free (ping_data);
 }
@@ -990,13 +989,8 @@ meta_display_close (MetaDisplay *display,
 
   g_clear_object (&display->gesture_tracker);
 
-  if (display->focus_timeout_id)
+  g_clear_handle_id (&display->focus_timeout_id, g_source_remove);
-    g_source_remove (display->focus_timeout_id);
+  g_clear_handle_id (&display->tile_preview_timeout_id, g_source_remove);
-  display->focus_timeout_id = 0;
-
-  if (display->tile_preview_timeout_id)
-    g_source_remove (display->tile_preview_timeout_id);
-  display->tile_preview_timeout_id = 0;
 
   if (display->work_area_later != 0)
     meta_later_remove (display->work_area_later);
@@ -1254,8 +1248,7 @@ meta_display_queue_autoraise_callback (MetaDisplay *display,
               window->desc,
               meta_prefs_get_auto_raise_delay ());
 
-  if (display->autoraise_timeout_id != 0)
+  g_clear_handle_id (&display->autoraise_timeout_id, g_source_remove);
-    g_source_remove (display->autoraise_timeout_id);
 
   display->autoraise_timeout_id =
     g_timeout_add_full (G_PRIORITY_DEFAULT,
@@ -1817,11 +1810,7 @@ meta_display_begin_grab_op (MetaDisplay *display,
 
   meta_display_update_cursor (display);
 
-  if (display->grab_resize_timeout_id)
+  g_clear_handle_id (&display->grab_resize_timeout_id, g_source_remove);
-    {
-      g_source_remove (display->grab_resize_timeout_id);
-      display->grab_resize_timeout_id = 0;
-    }
 
   meta_topic (META_DEBUG_WINDOW_OPS,
               "Grab op %u on window %s successful\n",
@@ -1905,11 +1894,7 @@ meta_display_end_grab_op (MetaDisplay *display,
 
   meta_display_update_cursor (display);
 
-  if (display->grab_resize_timeout_id)
+  g_clear_handle_id (&display->grab_resize_timeout_id, g_source_remove);
-    {
-      g_source_remove (display->grab_resize_timeout_id);
-      display->grab_resize_timeout_id = 0;
-    }
 
   if (meta_is_wayland_compositor ())
     meta_display_sync_wayland_input_focus (display);
@@ -2138,11 +2123,7 @@ meta_display_pong_for_serial (MetaDisplay    *display,
                                                    ping_data);
 
           /* Remove the timeout */
-          if (ping_data->ping_timeout_id != 0)
+          g_clear_handle_id (&ping_data->ping_timeout_id, g_source_remove);
-            {
-              g_source_remove (ping_data->ping_timeout_id);
-              ping_data->ping_timeout_id = 0;
-            }
 
           meta_window_set_alive (ping_data->window, TRUE);
           ping_data_free (ping_data);
@@ -2624,12 +2605,8 @@ meta_display_sanity_check_timestamps (MetaDisplay *display,
 void
 meta_display_remove_autoraise_callback (MetaDisplay *display)
 {
-  if (display->autoraise_timeout_id != 0)
+  g_clear_handle_id (&display->autoraise_timeout_id, g_source_remove);
-    {
+  display->autoraise_window = NULL;
-      g_source_remove (display->autoraise_timeout_id);
-      display->autoraise_timeout_id = 0;
-      display->autoraise_window = NULL;
-    }
 }
 
 void
@@ -3141,8 +3118,7 @@ meta_display_update_tile_preview (MetaDisplay *display,
     }
   else
     {
-      if (display->tile_preview_timeout_id > 0)
+      g_clear_handle_id (&display->tile_preview_timeout_id, g_source_remove);
-        g_source_remove (display->tile_preview_timeout_id);
 
       meta_display_update_tile_preview_timeout ((gpointer)display);
     }
@@ -3151,8 +3127,7 @@ meta_display_update_tile_preview (MetaDisplay *display,
 void
 meta_display_hide_tile_preview (MetaDisplay *display)
 {
-  if (display->tile_preview_timeout_id > 0)
+  g_clear_handle_id (&display->tile_preview_timeout_id, g_source_remove);
-    g_source_remove (display->tile_preview_timeout_id);
 
   display->preview_tile_mode = META_TILE_NONE;
   meta_compositor_hide_tile_preview (display->compositor);

src/core/edge-resistance.c

@@ -363,11 +363,7 @@ apply_edge_resistance (MetaWindow                *window,
         resistance_data->timeout_edge_pos < new_pos)))
     {
       resistance_data->timeout_setup = FALSE;
-      if (resistance_data->timeout_id != 0)
+      g_clear_handle_id (&resistance_data->timeout_id, g_source_remove);
-        {
-          g_source_remove (resistance_data->timeout_id);
-          resistance_data->timeout_id = 0;
-        }
     }
 
   /* Get the range of indices in the edge array that we move past/to. */
@@ -784,18 +780,14 @@ meta_display_cleanup_edges (MetaDisplay *display)
   edge_data->bottom_edges = NULL;
 
   /* Cleanup the timeouts */
-  if (edge_data->left_data.timeout_setup   &&
+  if (edge_data->left_data.timeout_setup)
-      edge_data->left_data.timeout_id   != 0)
+    g_clear_handle_id (&edge_data->left_data.timeout_id, g_source_remove);
-    g_source_remove (edge_data->left_data.timeout_id);
+  if (edge_data->right_data.timeout_setup)
-  if (edge_data->right_data.timeout_setup  &&
+    g_clear_handle_id (&edge_data->right_data.timeout_id, g_source_remove);
-      edge_data->right_data.timeout_id  != 0)
+  if (edge_data->top_data.timeout_setup)
-    g_source_remove (edge_data->right_data.timeout_id);
+    g_clear_handle_id (&edge_data->top_data.timeout_id, g_source_remove);
-  if (edge_data->top_data.timeout_setup    &&
+  if (edge_data->bottom_data.timeout_setup)
-      edge_data->top_data.timeout_id    != 0)
+    g_clear_handle_id (&edge_data->bottom_data.timeout_id, g_source_remove);
-    g_source_remove (edge_data->top_data.timeout_id);
-  if (edge_data->bottom_data.timeout_setup &&
-      edge_data->bottom_data.timeout_id != 0)
-    g_source_remove (edge_data->bottom_data.timeout_id);
 
   g_free (display->grab_edge_resistance_data);
   display->grab_edge_resistance_data = NULL;

src/core/meta-close-dialog-default.c

@@ -180,11 +180,7 @@ meta_close_dialog_default_hide (MetaCloseDialog *dialog)
 
   dialog_default = META_CLOSE_DIALOG_DEFAULT (dialog);
 
-  if (dialog_default->child_watch_id)
+  g_clear_handle_id (&dialog_default->child_watch_id, g_source_remove);
-    {
-      g_source_remove (dialog_default->child_watch_id);
-      dialog_default->child_watch_id = 0;
-    }
 
   if (dialog_default->dialog_pid > -1)
     {
@@ -207,8 +203,7 @@ meta_close_dialog_default_finalize (GObject *object)
 
   dialog = META_CLOSE_DIALOG_DEFAULT (object);
 
-  if (dialog->child_watch_id)
+  g_clear_handle_id (&dialog->child_watch_id, g_source_remove);
-    g_source_remove (dialog->child_watch_id);
 
   if (dialog->dialog_pid > -1)
     {

src/core/meta-gesture-tracker.c

@@ -215,8 +215,7 @@ meta_sequence_info_new (MetaGestureTracker *tracker,
 static void
 meta_sequence_info_free (MetaSequenceInfo *info)
 {
-  if (info->autodeny_timeout_id)
+  g_clear_handle_id (&info->autodeny_timeout_id, g_source_remove);
-    g_source_remove (info->autodeny_timeout_id);
 
   if (info->state == META_SEQUENCE_NONE)
     meta_gesture_tracker_set_sequence_state (info->tracker, info->sequence,
@@ -537,11 +536,7 @@ meta_gesture_tracker_set_sequence_state (MetaGestureTracker   *tracker,
     return FALSE;
 
   /* Unset autodeny timeout */
-  if (info->autodeny_timeout_id)
+  g_clear_handle_id (&info->autodeny_timeout_id, g_source_remove);
-    {
-      g_source_remove (info->autodeny_timeout_id);
-      info->autodeny_timeout_id = 0;
-    }
 
   info->state = state;
   g_signal_emit (tracker, signals[STATE_CHANGED], 0, sequence, info->state);

src/core/startup-notification.c

@@ -531,12 +531,8 @@ meta_startup_notification_remove_sequence (MetaStartupNotification *sn,
 
   g_signal_handlers_disconnect_by_func (seq, on_sequence_completed, sn);
 
-  if (sn->startup_sequences == NULL &&
+  if (sn->startup_sequences == NULL)
-      sn->startup_sequence_timeout != 0)
+    g_clear_handle_id (&sn->startup_sequence_timeout, g_source_remove);
-    {
-      g_source_remove (sn->startup_sequence_timeout);
-      sn->startup_sequence_timeout = 0;
-    }
 
   g_signal_emit (sn, sn_signals[CHANGED], 0, seq);
   g_object_unref (seq);
@@ -572,8 +568,7 @@ meta_startup_notification_finalize (GObject *object)
 {
   MetaStartupNotification *sn = META_STARTUP_NOTIFICATION (object);
 
-  if (sn->startup_sequence_timeout)
+  g_clear_handle_id (&sn->startup_sequence_timeout, g_source_remove);
-    g_source_remove (sn->startup_sequence_timeout);
 
   g_slist_free_full (sn->startup_sequences, g_object_unref);
   sn->startup_sequences = NULL;

src/core/util.c

@@ -762,11 +762,7 @@ unref_later (MetaLater *later)
 static void
 destroy_later (MetaLater *later)
 {
-  if (later->source)
+  g_clear_handle_id (&later->source, g_source_remove);
-    {
-      g_source_remove (later->source);
-      later->source = 0;
-    }
   later->func = NULL;
   unref_later (later);
 }

src/core/window.c

@@ -1430,8 +1430,7 @@ meta_window_unmanage (MetaWindow  *window,
   meta_verbose ("Unmanaging %s\n", window->desc);
   window->unmanaging = TRUE;
 
-  if (window->unmanage_idle_id)
+  g_clear_handle_id (&window->unmanage_idle_id, g_source_remove);
-    g_source_remove (window->unmanage_idle_id);
 
   meta_window_free_delete_dialog (window);
 
@@ -1540,11 +1539,7 @@ meta_window_unmanage (MetaWindow  *window,
       invalidate_work_areas (window);
     }
 
-  if (window->sync_request_timeout_id)
+  g_clear_handle_id (&window->sync_request_timeout_id, g_source_remove);
-    {
-      g_source_remove (window->sync_request_timeout_id);
-      window->sync_request_timeout_id = 0;
-    }
 
   if (window->display->grab_window == window)
     meta_display_end_grab_op (window->display, timestamp);
@@ -6341,11 +6336,7 @@ update_resize (MetaWindow *window,
     }
 
   /* Remove any scheduled compensation events */
-  if (window->display->grab_resize_timeout_id)
+  g_clear_handle_id (&window->display->grab_resize_timeout_id, g_source_remove);
-    {
-      g_source_remove (window->display->grab_resize_timeout_id);
-      window->display->grab_resize_timeout_id = 0;
-    }
 
   meta_window_get_frame_rect (window, &old);
 
@@ -8226,8 +8217,7 @@ queue_focus_callback (MetaDisplay *display,
   focus_data->pointer_x = pointer_x;
   focus_data->pointer_y = pointer_y;
 
-  if (display->focus_timeout_id != 0)
+  g_clear_handle_id (&display->focus_timeout_id, g_source_remove);
-    g_source_remove (display->focus_timeout_id);
 
   display->focus_timeout_id =
     g_timeout_add_full (G_PRIORITY_DEFAULT,

src/tests/clutter/conform/timeline.c

@@ -313,7 +313,7 @@ timeline_base (TestConformSimpleFixture *fixture,
   timeline_data_destroy (&data_2);
   timeline_data_destroy (&data_3);
 
-  g_source_remove (delay_tag);
+  g_clear_handle_id (&delay_tag, g_source_remove);
 
   clutter_actor_destroy (stage);
 }

src/tests/clutter/interactive/test-cogl-shader-glsl.c

@@ -229,11 +229,7 @@ button_release_cb (ClutterActor *actor,
 
   /* Stop the automatic cycling if the user want to manually control
    * which shader to display */
-  if (timeout_id)
+  g_clear_handle_id (&timeout_id, g_source_remove);
-    {
-      g_source_remove (timeout_id);
-      timeout_id = 0;
-    }
 
   if (event->button.button == 1)
     {

src/wayland/meta-xwayland.c

@@ -739,11 +739,7 @@ window_created_cb (MetaDisplay         *display,
   g_signal_connect (window, "unmanaged",
                     G_CALLBACK (window_unmanaged_cb), manager);
 
-  if (manager->xserver_grace_period_id)
+  g_clear_handle_id (&manager->xserver_grace_period_id, g_source_remove);
-    {
-      g_source_remove (manager->xserver_grace_period_id);
-      manager->xserver_grace_period_id = 0;
-    }
 }
 
 static void

src/x11/meta-x11-display.c

@@ -246,11 +246,7 @@ meta_x11_display_dispose (GObject *object)
       x11_display->gdk_display = NULL;
     }
 
-  if (x11_display->display_close_idle)
+  g_clear_handle_id (&x11_display->display_close_idle, g_source_remove);
-    {
-      g_source_remove (x11_display->display_close_idle);
-      x11_display->display_close_idle = 0;
-    }
 
   g_free (x11_display->name);
   x11_display->name = NULL;

src/x11/session.c

@@ -150,7 +150,7 @@ new_ice_connection (IceConn connection, IcePointer client_data, Bool opening,
     {
       input_id = GPOINTER_TO_UINT ((gpointer) *watch_data);
 
-      g_source_remove (input_id);
+      g_clear_handle_id (&input_id, g_source_remove);
     }
 }
 

src/x11/window-x11.c

@@ -3843,8 +3843,7 @@ meta_window_x11_update_sync_request_counter (MetaWindow *window,
                   window->display->grab_latest_motion_x,
                   window->display->grab_latest_motion_y);
 
-      g_source_remove (window->sync_request_timeout_id);
+      g_clear_handle_id (&window->sync_request_timeout_id, g_source_remove);
-      window->sync_request_timeout_id = 0;
 
       /* This means we are ready for another configure;
        * no pointer round trip here, to keep in sync */