[mutter] Move sync_request_* handling mostly to window-x11

[Jasper St. Pierre <jstpierre src gnome org>]

commit 2101c8357ba117870bd33afebe5b810230e0845c
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Apr 29 16:59:54 2014 -0400

    Move sync_request_* handling mostly to window-x11

 src/core/events.c         |    2 +-
 src/core/window-private.h |    6 --
 src/core/window.c         |  136 --------------------------------------------
 src/x11/window-props.c    |    4 +-
 src/x11/window-x11.c      |  138 ++++++++++++++++++++++++++++++++++++++++++++-
 src/x11/window-x11.h      |    5 ++
 6 files changed, 145 insertions(+), 146 deletions(-)
---
diff --git a/src/core/events.c b/src/core/events.c
index 0a5b872..385dd92 100644
--- a/src/core/events.c
+++ b/src/core/events.c
@@ -1250,7 +1250,7 @@ handle_other_xevent (MetaDisplay *display,
           XSyncValue value = ((XSyncAlarmNotifyEvent*)event)->counter_value;
           gint64 new_counter_value;
           new_counter_value = XSyncValueLow32 (value) + ((gint64)XSyncValueHigh32 (value) << 32);
-          meta_window_update_sync_request_counter (alarm_window, new_counter_value);
+          meta_window_x11_update_sync_request_counter (alarm_window, new_counter_value);
           bypass_gtk = TRUE; /* GTK doesn't want to see this really */
         }
 
diff --git a/src/core/window-private.h b/src/core/window-private.h
index fc673f6..837ee5e 100644
--- a/src/core/window-private.h
+++ b/src/core/window-private.h
@@ -629,9 +629,6 @@ void meta_window_show_menu (MetaWindow *window,
                             int         button,
                             guint32     timestamp);
 
-void meta_window_update_sync_request_counter (MetaWindow *window,
-                                              gint64      new_counter_value);
-
 gboolean meta_window_handle_mouse_grab_op_event  (MetaWindow         *window,
                                                   const ClutterEvent *event);
 
@@ -656,9 +653,6 @@ gboolean meta_window_same_application (MetaWindow *window,
 
 void meta_window_free_delete_dialog (MetaWindow *window);
 
-void meta_window_create_sync_request_alarm  (MetaWindow *window);
-void meta_window_destroy_sync_request_alarm (MetaWindow *window);
-
 void meta_window_update_keyboard_resize (MetaWindow *window,
                                          gboolean    update_cursor);
 void meta_window_update_keyboard_move   (MetaWindow *window);
diff --git a/src/core/window.c b/src/core/window.c
index b6628c2..901e4d4 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -1607,8 +1607,6 @@ meta_window_unmanage (MetaWindow  *window,
   if (!window->override_redirect)
     meta_stack_remove (window->screen->stack, window);
 
-  meta_window_destroy_sync_request_alarm (window);
-
   /* If an undecorated window is being withdrawn, that will change the
    * stack as presented to the compositing manager, without actually
    * changing the stacking order of X windows.
@@ -3932,89 +3930,6 @@ adjust_for_gravity (MetaWindow        *window,
     }
 }
 
-void
-meta_window_create_sync_request_alarm (MetaWindow *window)
-{
-  XSyncAlarmAttributes values;
-  XSyncValue init;
-
-  if (window->sync_request_counter == None ||
-      window->sync_request_alarm != None)
-    return;
-
-  meta_error_trap_push (window->display);
-
-  /* In the new (extended style), the counter value is initialized by
-   * the client before mapping the window. In the old style, we're
-   * responsible for setting the initial value of the counter.
-   */
-  if (window->extended_sync_request_counter)
-    {
-      if (!XSyncQueryCounter(window->display->xdisplay,
-                             window->sync_request_counter,
-                             &init))
-        {
-          meta_error_trap_pop_with_return (window->display);
-          window->sync_request_counter = None;
-          return;
-        }
-
-      window->sync_request_serial =
-        XSyncValueLow32 (init) + ((gint64)XSyncValueHigh32 (init) << 32);
-    }
-  else
-    {
-      XSyncIntToValue (&init, 0);
-      XSyncSetCounter (window->display->xdisplay,
-                       window->sync_request_counter, init);
-      window->sync_request_serial = 0;
-    }
-
-  values.trigger.counter = window->sync_request_counter;
-  values.trigger.test_type = XSyncPositiveComparison;
-
-  /* Initialize to one greater than the current value */
-  values.trigger.value_type = XSyncRelative;
-  XSyncIntToValue (&values.trigger.wait_value, 1);
-
-  /* After triggering, increment test_value by this until
-   * until the test condition is false */
-  XSyncIntToValue (&values.delta, 1);
-
-  /* we want events (on by default anyway) */
-  values.events = True;
-
-  window->sync_request_alarm = XSyncCreateAlarm (window->display->xdisplay,
-                                                 XSyncCACounter |
-                                                 XSyncCAValueType |
-                                                 XSyncCAValue |
-                                                 XSyncCATestType |
-                                                 XSyncCADelta |
-                                                 XSyncCAEvents,
-                                                 &values);
-
-  if (meta_error_trap_pop_with_return (window->display) == Success)
-    meta_display_register_sync_alarm (window->display, &window->sync_request_alarm, window);
-  else
-    {
-      window->sync_request_alarm = None;
-      window->sync_request_counter = None;
-    }
-}
-
-void
-meta_window_destroy_sync_request_alarm (MetaWindow *window)
-{
-  if (window->sync_request_alarm != None)
-    {
-      /* Has to be unregistered _before_ clearing the structure field */
-      meta_display_unregister_sync_alarm (window->display, window->sync_request_alarm);
-      XSyncDestroyAlarm (window->display->xdisplay,
-                         window->sync_request_alarm);
-      window->sync_request_alarm = None;
-    }
-}
-
 /**
  * meta_window_updates_are_frozen:
  * @window: a #MetaWindow
@@ -7012,57 +6927,6 @@ meta_window_update_resize (MetaWindow *window,
   update_resize (window, snap, x, y, force);
 }
 
-void
-meta_window_update_sync_request_counter (MetaWindow *window,
-                                         gint64      new_counter_value)
-{
-  gboolean needs_frame_drawn = FALSE;
-  gboolean no_delay_frame = FALSE;
-
-  if (window->extended_sync_request_counter && new_counter_value % 2 == 0)
-    {
-      needs_frame_drawn = TRUE;
-      no_delay_frame = new_counter_value == window->sync_request_serial + 1;
-    }
-
-  window->sync_request_serial = new_counter_value;
-  meta_compositor_set_updates_frozen (window->display->compositor, window,
-                                      meta_window_updates_are_frozen (window));
-
-  if (window == window->display->grab_window &&
-      meta_grab_op_is_resizing (window->display->grab_op) &&
-      new_counter_value >= window->sync_request_wait_serial &&
-      (!window->extended_sync_request_counter || new_counter_value % 2 == 0) &&
-      window->sync_request_timeout_id)
-    {
-      meta_topic (META_DEBUG_RESIZING,
-                  "Alarm event received last motion x = %d y = %d\n",
-                  window->display->grab_latest_motion_x,
-                  window->display->grab_latest_motion_y);
-
-      g_source_remove (window->sync_request_timeout_id);
-      window->sync_request_timeout_id = 0;
-
-      /* This means we are ready for another configure;
-       * no pointer round trip here, to keep in sync */
-      update_resize (window,
-                     window->display->grab_last_user_action_was_snap,
-                     window->display->grab_latest_motion_x,
-                     window->display->grab_latest_motion_y,
-                     TRUE);
-    }
-
-  /* If sync was previously disabled, turn it back on and hope
-   * the application has come to its senses (maybe it was just
-   * busy with a pagefault or a long computation).
-   */
-  window->disable_sync = FALSE;
-
-  if (needs_frame_drawn)
-    meta_compositor_queue_frame_drawn (window->display->compositor, window,
-                                       no_delay_frame);
-}
-
 static void
 end_grab_op (MetaWindow *window,
              const ClutterEvent *event)
diff --git a/src/x11/window-props.c b/src/x11/window-props.c
index f37bb10..cb0a078 100644
--- a/src/x11/window-props.c
+++ b/src/x11/window-props.c
@@ -897,7 +897,7 @@ reload_update_counter (MetaWindow    *window,
 {
   if (value->type != META_PROP_VALUE_INVALID)
     {
-      meta_window_destroy_sync_request_alarm (window);
+      meta_window_x11_destroy_sync_request_alarm (window);
       window->sync_request_counter = None;
 
       if (value->v.xcounter_list.n_counters == 0)
@@ -921,7 +921,7 @@ reload_update_counter (MetaWindow    *window,
                     window->extended_sync_request_counter ? "true" : "false");
 
       if (window->extended_sync_request_counter)
-        meta_window_create_sync_request_alarm (window);
+        meta_window_x11_create_sync_request_alarm (window);
     }
 }
 
diff --git a/src/x11/window-x11.c b/src/x11/window-x11.c
index 21fb1e1..a492b68 100644
--- a/src/x11/window-x11.c
+++ b/src/x11/window-x11.c
@@ -275,6 +275,8 @@ meta_window_x11_unmanage (MetaWindow *window)
 {
   meta_error_trap_push (window->display);
 
+  meta_window_x11_destroy_sync_request_alarm (window);
+
   if (window->withdrawn)
     {
       /* We need to clean off the window's state so it
@@ -528,7 +530,7 @@ meta_window_x11_grab_op_began (MetaWindow *window,
   if (meta_grab_op_is_resizing (op))
     {
       if (window->sync_request_counter != None)
-        meta_window_create_sync_request_alarm (window);
+        meta_window_x11_create_sync_request_alarm (window);
 
       if (window->size_hints.width_inc > 1 || window->size_hints.height_inc > 1)
         {
@@ -2989,3 +2991,137 @@ meta_window_x11_set_allowed_actions_hint (MetaWindow *window)
   meta_error_trap_pop (window->display);
 #undef MAX_N_ACTIONS
 }
+
+void
+meta_window_x11_create_sync_request_alarm (MetaWindow *window)
+{
+  XSyncAlarmAttributes values;
+  XSyncValue init;
+
+  if (window->sync_request_counter == None ||
+      window->sync_request_alarm != None)
+    return;
+
+  meta_error_trap_push (window->display);
+
+  /* In the new (extended style), the counter value is initialized by
+   * the client before mapping the window. In the old style, we're
+   * responsible for setting the initial value of the counter.
+   */
+  if (window->extended_sync_request_counter)
+    {
+      if (!XSyncQueryCounter(window->display->xdisplay,
+                             window->sync_request_counter,
+                             &init))
+        {
+          meta_error_trap_pop_with_return (window->display);
+          window->sync_request_counter = None;
+          return;
+        }
+
+      window->sync_request_serial =
+        XSyncValueLow32 (init) + ((gint64)XSyncValueHigh32 (init) << 32);
+    }
+  else
+    {
+      XSyncIntToValue (&init, 0);
+      XSyncSetCounter (window->display->xdisplay,
+                       window->sync_request_counter, init);
+      window->sync_request_serial = 0;
+    }
+
+  values.trigger.counter = window->sync_request_counter;
+  values.trigger.test_type = XSyncPositiveComparison;
+
+  /* Initialize to one greater than the current value */
+  values.trigger.value_type = XSyncRelative;
+  XSyncIntToValue (&values.trigger.wait_value, 1);
+
+  /* After triggering, increment test_value by this until
+   * until the test condition is false */
+  XSyncIntToValue (&values.delta, 1);
+
+  /* we want events (on by default anyway) */
+  values.events = True;
+
+  window->sync_request_alarm = XSyncCreateAlarm (window->display->xdisplay,
+                                                 XSyncCACounter |
+                                                 XSyncCAValueType |
+                                                 XSyncCAValue |
+                                                 XSyncCATestType |
+                                                 XSyncCADelta |
+                                                 XSyncCAEvents,
+                                                 &values);
+
+  if (meta_error_trap_pop_with_return (window->display) == Success)
+    meta_display_register_sync_alarm (window->display, &window->sync_request_alarm, window);
+  else
+    {
+      window->sync_request_alarm = None;
+      window->sync_request_counter = None;
+    }
+}
+
+void
+meta_window_x11_destroy_sync_request_alarm (MetaWindow *window)
+{
+  if (window->sync_request_alarm != None)
+    {
+      /* Has to be unregistered _before_ clearing the structure field */
+      meta_display_unregister_sync_alarm (window->display, window->sync_request_alarm);
+      XSyncDestroyAlarm (window->display->xdisplay,
+                         window->sync_request_alarm);
+      window->sync_request_alarm = None;
+    }
+}
+
+void
+meta_window_x11_update_sync_request_counter (MetaWindow *window,
+                                             gint64      new_counter_value)
+{
+  gboolean needs_frame_drawn = FALSE;
+  gboolean no_delay_frame = FALSE;
+
+  if (window->extended_sync_request_counter && new_counter_value % 2 == 0)
+    {
+      needs_frame_drawn = TRUE;
+      no_delay_frame = new_counter_value == window->sync_request_serial + 1;
+    }
+
+  window->sync_request_serial = new_counter_value;
+  meta_compositor_set_updates_frozen (window->display->compositor, window,
+                                      meta_window_updates_are_frozen (window));
+
+  if (window == window->display->grab_window &&
+      meta_grab_op_is_resizing (window->display->grab_op) &&
+      new_counter_value >= window->sync_request_wait_serial &&
+      (!window->extended_sync_request_counter || new_counter_value % 2 == 0) &&
+      window->sync_request_timeout_id)
+    {
+      meta_topic (META_DEBUG_RESIZING,
+                  "Alarm event received last motion x = %d y = %d\n",
+                  window->display->grab_latest_motion_x,
+                  window->display->grab_latest_motion_y);
+
+      g_source_remove (window->sync_request_timeout_id);
+      window->sync_request_timeout_id = 0;
+
+      /* This means we are ready for another configure;
+       * no pointer round trip here, to keep in sync */
+      meta_window_update_resize (window,
+                                 window->display->grab_last_user_action_was_snap,
+                                 window->display->grab_latest_motion_x,
+                                 window->display->grab_latest_motion_y,
+                                 TRUE);
+    }
+
+  /* If sync was previously disabled, turn it back on and hope
+   * the application has come to its senses (maybe it was just
+   * busy with a pagefault or a long computation).
+   */
+  window->disable_sync = FALSE;
+
+  if (needs_frame_drawn)
+    meta_compositor_queue_frame_drawn (window->display->compositor, window,
+                                       no_delay_frame);
+}
diff --git a/src/x11/window-x11.h b/src/x11/window-x11.h
index 5c40024..8bda6c7 100644
--- a/src/x11/window-x11.h
+++ b/src/x11/window-x11.h
@@ -44,6 +44,11 @@ void meta_window_x11_set_net_wm_state            (MetaWindow *window);
 void meta_window_x11_set_wm_state                (MetaWindow *window);
 void meta_window_x11_set_allowed_actions_hint    (MetaWindow *window);
 
+void meta_window_x11_create_sync_request_alarm   (MetaWindow *window);
+void meta_window_x11_destroy_sync_request_alarm  (MetaWindow *window);
+void meta_window_x11_update_sync_request_counter (MetaWindow *window,
+                                                  gint64      new_counter_value);
+
 void meta_window_x11_update_role                 (MetaWindow *window);
 void meta_window_x11_update_net_wm_type          (MetaWindow *window);
 void meta_window_x11_update_opaque_region        (MetaWindow *window);