From 6027c05a2886353bf5454561d8b4f82527b125b9 Mon Sep 17 00:00:00 2001
From: xbezdick <255993@mail.muni.cz>
Date: Thu, 5 May 2011 18:41:09 +0200
Subject: [PATCH] cleanup

---
 shell/ev-presentation-timer.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/shell/ev-presentation-timer.c b/shell/ev-presentation-timer.c
index d1b3474d..0ab7018d 100644
--- a/shell/ev-presentation-timer.c
+++ b/shell/ev-presentation-timer.c
@@ -95,12 +95,16 @@ timeout_cb (gpointer data)
 void
 ev_presentation_timer_set_pages (EvPresentationTimer *ev_timer, guint pages)
 {
+	if(!EV_IS_PRESENTATION_TIMER (ev_timer))
+		return;
 	ev_timer->priv->pages = pages -1;
 }
 
 void
 ev_presentation_timer_set_page (EvPresentationTimer *ev_timer, guint page)
 {
+	if(!EV_IS_PRESENTATION_TIMER (ev_timer))
+		return;
 	if (page >= ev_timer->priv->pages)
 	{
 		page = ev_timer->priv->pages;
@@ -125,6 +129,8 @@ ev_presentation_timer_init (EvPresentationTimer *ev_timer)
 void
 ev_presentation_timer_start (EvPresentationTimer *ev_timer)
 {
+	if (!EV_IS_PRESENTATION_TIMER (ev_timer))
+		return;
 	if (ev_timer->priv->running == FALSE)
 	{
 		ev_timer->priv->remaining = (ev_timer->priv->time)*60;
@@ -136,6 +142,10 @@ ev_presentation_timer_start (EvPresentationTimer *ev_timer)
 void
 ev_presentation_timer_stop (EvPresentationTimer *ev_timer)
 {
+	if (!EV_IS_PRESENTATION_TIMER (ev_timer))
+		return;
+	if (priv->timeout > 0)
+		g_source_remove (priv->timeout);
 	ev_timer->priv->remaining = 0;
 }
 
@@ -143,9 +153,10 @@ void
 ev_presentation_timer_set_time (EvPresentationTimer *ev_timer,
 				gint time)
 {
+	if (!EV_IS_PRESENTATION_TIMER (ev_timer))
+		return;
 	if(ev_timer->priv->running)
 		ev_timer->priv->remaining = ((ev_timer->priv->remaining)/(ev_timer->priv->time)*time);
-
 	ev_timer->priv->time = (time < -1)? -1:time;
 }
 
-- 
2.39.3