[gthumb] Fixed crash when disattivatin the media viewer very quickly

[Paolo Bacchilega <paobac src gnome org>]

commit f29688f8880352e21a1604512d03e864aee2afe3
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Fri Nov 4 17:24:53 2011 +0100

    Fixed crash when disattivatin the media viewer very quickly

 extensions/gstreamer_tools/gth-media-viewer-page.c |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)
---
diff --git a/extensions/gstreamer_tools/gth-media-viewer-page.c b/extensions/gstreamer_tools/gth-media-viewer-page.c
index a9bb290..aed998c 100644
--- a/extensions/gstreamer_tools/gth-media-viewer-page.c
+++ b/extensions/gstreamer_tools/gth-media-viewer-page.c
@@ -63,6 +63,7 @@ struct _GthMediaViewerPagePrivate {
 	gboolean        has_video;
 	gboolean        has_audio;
 	gulong          update_progress_id;
+	guint           set_to_pause_id;
 	gdouble         rate;
 	GtkWidget      *mediabar;
 	GtkWidget      *fullscreen_toolbar;
@@ -1078,8 +1079,10 @@ set_to_paused (gpointer user_data)
 {
 	GthMediaViewerPage *self = user_data;
 
+	self->priv->set_to_pause_id = 0;
 	if (self->priv->playbin != NULL)
 		gst_element_set_state (self->priv->playbin, GST_STATE_PAUSED);
+
 	return FALSE;
 }
 
@@ -1135,7 +1138,9 @@ gth_media_viewer_page_real_view (GthViewerPage *base,
 	uri = g_file_get_uri (self->priv->file_data->file);
 	g_object_set (G_OBJECT (self->priv->playbin), "uri", uri, NULL);
 
-	gdk_threads_add_idle (set_to_paused, self);
+	if (self->priv->set_to_pause_id != 0)
+		g_source_remove (self->priv->set_to_pause_id);
+	self->priv->set_to_pause_id = gdk_threads_add_idle (set_to_paused, self);
 
 	g_free (uri);
 }
@@ -1304,6 +1309,11 @@ gth_media_viewer_page_finalize (GObject *obj)
 
 	self = GTH_MEDIA_VIEWER_PAGE (obj);
 
+	if (self->priv->set_to_pause_id != 0) {
+		g_source_remove (self->priv->set_to_pause_id);
+		self->priv->set_to_pause_id = 0;
+	}
+
         if (self->priv->update_progress_id != 0) {
                 g_source_remove (self->priv->update_progress_id);
                 self->priv->update_progress_id = 0;
@@ -1361,6 +1371,7 @@ gth_media_viewer_page_init (GthMediaViewerPage *self)
 {
 	self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GTH_TYPE_MEDIA_VIEWER_PAGE, GthMediaViewerPagePrivate);
 	self->priv->update_progress_id = 0;
+	self->priv->set_to_pause_id = 0;
 	self->priv->xwin_assigned = FALSE;
 	self->priv->has_video = FALSE;
 	self->priv->has_audio = FALSE;