From dc81682f4b2adf526a185366ac5713856fa2cdee Mon Sep 17 00:00:00 2001
From: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
Date: Fri, 17 Aug 2012 11:10:39 +0300
Subject: [PATCH] wayland: respond to ping/pong protocol so we're not deemed
 unresponsive.

https://bugzilla.gnome.org/show_bug.cgi?id=681453
---
 ext/wayland/gstwaylandsink.c | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/ext/wayland/gstwaylandsink.c b/ext/wayland/gstwaylandsink.c
index e82a524ead..45b0efc443 100644
--- a/ext/wayland/gstwaylandsink.c
+++ b/ext/wayland/gstwaylandsink.c
@@ -380,7 +380,29 @@ config_failed:
   }
 }
 
-static const struct wl_callback_listener frame_callback_listener;
+static void
+handle_ping (void *data, struct wl_shell_surface *shell_surface,
+    uint32_t serial)
+{
+  wl_shell_surface_pong (shell_surface, serial);
+}
+
+static void
+handle_configure (void *data, struct wl_shell_surface *shell_surface,
+    uint32_t edges, int32_t width, int32_t height)
+{
+}
+
+static void
+handle_popup_done (void *data, struct wl_shell_surface *shell_surface)
+{
+}
+
+static const struct wl_shell_surface_listener shell_surface_listener = {
+  handle_ping,
+  handle_configure,
+  handle_popup_done
+};
 
 static void
 create_window (GstWaylandSink * sink, struct display *display, int width,
@@ -403,6 +425,12 @@ create_window (GstWaylandSink * sink, struct display *display, int width,
 
   window->shell_surface = wl_shell_get_shell_surface (display->shell,
       window->surface);
+
+  g_return_if_fail (window->shell_surface);
+
+  wl_shell_surface_add_listener (window->shell_surface,
+      &shell_surface_listener, window);
+
   wl_shell_surface_set_toplevel (window->shell_surface);
   wl_shell_surface_set_fullscreen (window->shell_surface,
       WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT, 0, NULL);