[snappy] ui: don't update progress if media has no duration

[Luis de Bethencourt <luisbg src gnome org>]

commit 887306321ea481ac472aaa0af6d9e208cc6d2ba7
Author: Luis de Bethencourt <luis debethencourt com>
Date:   Mon May 7 17:07:16 2012 +0100

    ui: don't update progress if media has no duration

 src/user_interface.c |   35 +++++++++++++++++++----------------
 1 files changed, 19 insertions(+), 16 deletions(-)
---
diff --git a/src/user_interface.c b/src/user_interface.c
index 4554b62..2037f7f 100644
--- a/src/user_interface.c
+++ b/src/user_interface.c
@@ -714,15 +714,18 @@ static gboolean
 progress_update_text (gpointer data)
 {
   UserInterface *ui = (UserInterface *) data;
+  GstEngine *engine = ui->engine;
 
-  if (ui->controls_showing && !ui->engine->queries_blocked) {
-    gchar *duration_str;
-    gint64 pos;
+  if (ui->controls_showing && !engine->queries_blocked) {
+    if (engine->media_duration == -1) {
+      gchar *duration_str;
+      gint64 pos;
 
-    pos = query_position (ui->engine);
-    duration_str = g_strdup_printf ("   %s/%s", position_ns_to_str (pos),
-        ui->duration_str);
-    clutter_text_set_text (CLUTTER_TEXT (ui->control_pos), duration_str);
+      pos = query_position (engine);
+      duration_str = g_strdup_printf ("   %s/%s", position_ns_to_str (pos),
+          ui->duration_str);
+      clutter_text_set_text (CLUTTER_TEXT (ui->control_pos), duration_str);
+    }
   }
 
   return TRUE;
@@ -734,19 +737,19 @@ progress_update_seekbar (gpointer data)
   UserInterface *ui = (UserInterface *) data;
   GstEngine *engine = ui->engine;
 
-  if (ui->controls_showing && !ui->engine->queries_blocked) {
-    gint64 pos;
-    gfloat progress = 0.0;
-
+  if (ui->controls_showing && !engine->queries_blocked) {
     if (engine->media_duration == -1) {
+      gint64 pos;
+      gfloat progress = 0.0;
+
       update_media_duration (engine);
-    }
 
-    pos = query_position (engine);
-    progress = (float) pos / engine->media_duration;
+      pos = query_position (engine);
+      progress = (float) pos / engine->media_duration;
 
-    clutter_actor_set_size (ui->control_seekbar, progress * ui->seek_width,
-        ui->seek_height);
+      clutter_actor_set_size (ui->control_seekbar, progress * ui->seek_width,
+          ui->seek_height);
+    }
   }
 
   return TRUE;