[mutter] window: Add some hooks for when grab ops begin / end on windows

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

commit 70713cc7db156bb90d85ca255eba2e359e17f1e5
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Apr 29 15:30:21 2014 -0400

    window: Add some hooks for when grab ops begin / end on windows

 src/core/display.c        |   18 ++++--------------
 src/core/window-private.h |    3 +++
 src/core/window.c         |   26 ++++++++++++++++++++++++++
 3 files changed, 33 insertions(+), 14 deletions(-)
---
diff --git a/src/core/display.c b/src/core/display.c
index 147cb82..adbec2c 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -1848,18 +1848,14 @@ meta_display_begin_grab_op (MetaDisplay *display,
                                       &display->grab_initial_window_pos);
   display->grab_anchor_window_pos = display->grab_initial_window_pos;
 
-  if (meta_grab_op_is_resizing (display->grab_op) &&
-      display->grab_window->sync_request_counter != None)
-    meta_window_create_sync_request_alarm (display->grab_window);
-
-  meta_window_refresh_resize_popup (display->grab_window);
-
   if (meta_is_wayland_compositor ())
     meta_display_sync_wayland_input_focus (display);
 
   g_signal_emit (display, display_signals[GRAB_OP_BEGIN], 0,
                  screen, display->grab_window, display->grab_op);
 
+  meta_window_grab_op_began (display->grab_window, display->grab_op);
+
   return TRUE;
 }
 
@@ -1878,13 +1874,13 @@ meta_display_end_grab_op (MetaDisplay *display,
   g_signal_emit (display, display_signals[GRAB_OP_END], 0,
                  display->screen, display->grab_window, display->grab_op);
 
+  meta_window_grab_op_ended (display->grab_window, display->grab_op);
+
   if (meta_grab_op_is_moving_or_resizing (display->grab_op))
     {
       /* Clear out the edge cache */
       meta_display_cleanup_edges (display);
 
-      display->grab_window->shaken_loose = FALSE;
-
       /* Only raise the window in orthogonal raise
        * ('do-not-raise-on-click') mode if the user didn't try to move
        * or resize the given window by at least a threshold amount.
@@ -1918,12 +1914,6 @@ meta_display_end_grab_op (MetaDisplay *display,
   display->grab_tile_monitor_number = -1;
   display->grab_op = META_GRAB_OP_NONE;
 
-  if (display->grab_resize_popup)
-    {
-      meta_ui_resize_popup_free (display->grab_resize_popup);
-      display->grab_resize_popup = NULL;
-    }
-
   if (display->grab_resize_timeout_id)
     {
       g_source_remove (display->grab_resize_timeout_id);
diff --git a/src/core/window-private.h b/src/core/window-private.h
index aaf62bc..a7e86a2 100644
--- a/src/core/window-private.h
+++ b/src/core/window-private.h
@@ -752,4 +752,7 @@ void meta_window_move_resize_internal (MetaWindow          *window,
                                        int                  h);
 void meta_window_save_user_window_placement (MetaWindow *window);
 
+void meta_window_grab_op_began (MetaWindow *window, MetaGrabOp op);
+void meta_window_grab_op_ended (MetaWindow *window, MetaGrabOp op);
+
 #endif
diff --git a/src/core/window.c b/src/core/window.c
index 048a35d..715f984 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -8942,3 +8942,29 @@ meta_window_set_urgent (MetaWindow *window,
   if (urgent)
     g_signal_emit_by_name (window->display, "window-marked-urgent", window);
 }
+
+void
+meta_window_grab_op_began (MetaWindow *window,
+                           MetaGrabOp  op)
+{
+  if (meta_grab_op_is_resizing (op) &&
+      window->sync_request_counter != None)
+    meta_window_create_sync_request_alarm (window);
+
+  meta_window_refresh_resize_popup (window);
+}
+
+void
+meta_window_grab_op_ended (MetaWindow *window,
+                           MetaGrabOp  op)
+{
+  MetaDisplay *display = window->display;
+
+  window->shaken_loose = FALSE;
+
+  if (display->grab_resize_popup)
+    {
+      meta_ui_resize_popup_free (display->grab_resize_popup);
+      display->grab_resize_popup = NULL;
+    }
+}