From d337cbe9269e142f0b70e12a8c58296fe34b4892 Mon Sep 17 00:00:00 2001
From: Carlos Garcia Campos <carlosgc@gnome.org>
Date: Mon, 08 Jun 2009 14:24:32 +0000
Subject: [libview] Fix page transitions in presentation mode

Set the destination surface as soon as possible when starting a page
transition animation. Fixes bgo#583652 and bgo#581881.
---
(limited to 'libview/ev-transition-animation.c')

diff --git a/libview/ev-transition-animation.c b/libview/ev-transition-animation.c
index efcb509..7e33023 100644
--- a/libview/ev-transition-animation.c
+++ b/libview/ev-transition-animation.c
@@ -635,6 +635,9 @@ ev_transition_animation_set_origin_surface (EvTransitionAnimation *animation,
 
 	priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
 
+	if (priv->origin_surface == origin_surface)
+		return;
+
 	surface = cairo_surface_reference (origin_surface);
 
 	if (priv->origin_surface)
@@ -658,6 +661,9 @@ ev_transition_animation_set_dest_surface (EvTransitionAnimation *animation,
 
 	priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
 
+	if (priv->dest_surface == dest_surface)
+		return;
+
 	surface = cairo_surface_reference (dest_surface);
 
 	if (priv->dest_surface)
--
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