[mutter/wayland] Move ping to be a vfunc

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

commit 14f424cd02fa174c5654cee33c29f738b55fc319
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Mar 20 15:12:44 2014 -0400

    Move ping to be a vfunc

 src/core/display.c           |    7 +------
 src/core/window-private.h    |    2 ++
 src/wayland/window-wayland.c |    8 ++++++++
 src/x11/window-x11.c         |   12 ++++++++++++
 4 files changed, 23 insertions(+), 6 deletions(-)
---
diff --git a/src/core/display.c b/src/core/display.c
index 67efd2c..287f1f5 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -4701,12 +4701,7 @@ meta_display_ping_window (MetaWindow        *window,
               "Sending ping with timestamp %u to window %s\n",
               timestamp, window->desc);
 
-  if (window->client_type == META_WINDOW_CLIENT_TYPE_X11)
-    meta_window_send_icccm_message (window,
-                                    display->atom__NET_WM_PING,
-                                    timestamp);
-  else
-    meta_wayland_surface_ping (window->surface, timestamp);
+  META_WINDOW_GET_CLASS (window)->ping (window, timestamp);
 }
 
 static void
diff --git a/src/core/window-private.h b/src/core/window-private.h
index 82bfbde..c6e4adc 100644
--- a/src/core/window-private.h
+++ b/src/core/window-private.h
@@ -471,6 +471,8 @@ struct _MetaWindowClass
 
   void (*manage)                 (MetaWindow *window);
   void (*unmanage)               (MetaWindow *window);
+  void (*ping)                   (MetaWindow *window,
+                                  guint32     serial);
   void (*delete)                 (MetaWindow *window,
                                   guint32     timestamp);
   void (*kill)                   (MetaWindow *window);
diff --git a/src/wayland/window-wayland.c b/src/wayland/window-wayland.c
index eea45f3..32c511e 100644
--- a/src/wayland/window-wayland.c
+++ b/src/wayland/window-wayland.c
@@ -76,6 +76,13 @@ meta_window_wayland_unmanage (MetaWindow *window)
 }
 
 static void
+meta_window_wayland_ping (MetaWindow *window,
+                          guint32     serial)
+{
+  meta_wayland_surface_ping (window->surface, serial);
+}
+
+static void
 meta_window_wayland_delete (MetaWindow *window,
                             guint32     timestamp)
 {
@@ -189,6 +196,7 @@ meta_window_wayland_class_init (MetaWindowWaylandClass *klass)
 
   window_class->manage = meta_window_wayland_manage;
   window_class->unmanage = meta_window_wayland_unmanage;
+  window_class->ping = meta_window_wayland_ping;
   window_class->delete = meta_window_wayland_delete;
   window_class->kill = meta_window_wayland_kill;
   window_class->move_resize_internal = meta_window_wayland_move_resize_internal;
diff --git a/src/x11/window-x11.c b/src/x11/window-x11.c
index e95fdec..a7e4381 100644
--- a/src/x11/window-x11.c
+++ b/src/x11/window-x11.c
@@ -323,6 +323,17 @@ meta_window_x11_unmanage (MetaWindow *window)
 }
 
 static void
+meta_window_x11_ping (MetaWindow *window,
+                      guint32     serial)
+{
+  MetaDisplay *display = window->display;
+
+  meta_window_send_icccm_message (window,
+                                  display->atom__NET_WM_PING,
+                                  serial);
+}
+
+static void
 meta_window_x11_delete (MetaWindow *window,
                         guint32     timestamp)
 {
@@ -797,6 +808,7 @@ meta_window_x11_class_init (MetaWindowX11Class *klass)
 
   window_class->manage = meta_window_x11_manage;
   window_class->unmanage = meta_window_x11_unmanage;
+  window_class->ping = meta_window_x11_ping;
   window_class->delete = meta_window_x11_delete;
   window_class->kill = meta_window_x11_kill;
   window_class->move_resize_internal = meta_window_x11_move_resize_internal;