Merge lp:~cjcurran/indicator-sound/fix-playlist-null-pointer into lp:indicator-sound/fifth

[Conor Curran]

Fixes bugs attached.

[Ted Gould (ted)]

Makes sense to me. Not sure I can recreate those bugs, but this should make things safer no matter.

review: Approve

=== modified file 'src/mpris2-controller.vala'
--- src/mpris2-controller.vala	2011-10-21 19:03:54 +0000
+++ src/mpris2-controller.vala	2012-03-01 16:02:32 +0000
@@ -248,8 +248,7 @@
   private bool fetch_active_playlist()
   {    
     if (this.playlists.ActivePlaylist.valid == false){
-      // TODO 
-      // What happens here ?
+      return false;
     }    
     PlaylistsMenuitem playlists_item = this.owner.custom_items[PlayerController.widget_order.PLAYLISTS] as PlaylistsMenuitem;
     playlists_item.active_playlist_update ( this.playlists.ActivePlaylist.details );
 
=== modified file 'src/mpris2-interfaces.vala'
--- src/mpris2-interfaces.vala	2011-03-08 21:43:50 +0000
+++ src/mpris2-interfaces.vala	2012-03-01 16:02:32 +0000
@@ -49,15 +49,15 @@
 
 // Playlist container
 public struct PlaylistDetails{
-  public ObjectPath path;
-  public string name;
-  public string icon_path;
+  public ObjectPath? path;
+  public string? name;
+  public string? icon_path;
 }
 
 // Active playlist property container
 public struct ActivePlaylistContainer{
   public bool valid;
-  public PlaylistDetails details;
+  public PlaylistDetails? details;
 }
 
 [DBus (name = "org.mpris.MediaPlayer2.Playlists")]
@@ -69,11 +69,11 @@
   
   //methods
   public abstract async void ActivatePlaylist(ObjectPath playlist_id) throws IOError;
-  public abstract async PlaylistDetails[] GetPlaylists (  uint32 index,
+  public abstract async PlaylistDetails[]? GetPlaylists ( int32 index,
                                                           uint32 max_count,
                                                           string order,
                                                           bool reverse_order ) throws IOError;
   //signals
   public signal void PlaylistChanged (PlaylistDetails details);
   
-}
 \ No newline at end of file
+}
 
=== modified file 'src/pulseaudio-mgr.c'
--- src/pulseaudio-mgr.c	2012-02-22 16:40:59 +0000
+++ src/pulseaudio-mgr.c	2012-03-01 16:02:32 +0000
@@ -121,7 +121,6 @@
 reconnect_to_pulse (gpointer user_data)
 {
   g_debug("Attempt a pulse connection");
-  // reset
   g_return_val_if_fail (IS_DEVICE (user_data), FALSE);
 
   connection_attempts += 1;
@@ -175,50 +174,107 @@
 pm_update_volume (gint sink_index, pa_cvolume new_volume)
 {
   if (sink_index < 0 || pulse_context == NULL){
-    return;
-  }
-  pa_operation_unref (pa_context_set_sink_volume_by_index (pulse_context,
-                                                           sink_index,
-                                                           &new_volume,
-                                                           NULL,
-                                                           NULL) );
+    g_warning ("pm_update_volume sink index is negative or the context is null");    
+    return;
+  }
+  
+  if (pa_context_get_state (pulse_context) != PA_CONTEXT_READY ){
+    g_warning ("pm_update_volume context is not in a ready state");    
+    return;    
+  }
+
+  pa_operation *operation = NULL;
+  
+  operation = pa_context_set_sink_volume_by_index (pulse_context,
+                                                   sink_index,
+                                                   &new_volume,
+                                                   NULL,
+                                                   NULL);
+  if (!operation){
+    g_warning ("pm_update_volume operation failed for some reason");
+    return;
+  }                                                    
+  pa_operation_unref (operation);
 }
 
 void
 pm_update_mute (gboolean update)
 {
-  pa_operation_unref (pa_context_get_sink_info_list (pulse_context,
-                                                     pm_toggle_mute_for_every_sink_callback,
-                                                     GINT_TO_POINTER (update)));
+  if (pulse_context == NULL){
+    g_warning ("pm_update_mute - the context is null");    
+    return;
+  }
+
+  if (pa_context_get_state (pulse_context) != PA_CONTEXT_READY ){
+    g_warning ("pm_update_mute context is not in a ready state");    
+    return;    
+  }
+
+  pa_operation *operation = NULL;
+  
+  operation =  pa_context_get_sink_info_list (pulse_context,
+                                              pm_toggle_mute_for_every_sink_callback,
+                                              GINT_TO_POINTER (update));
+  if (!operation){
+    g_warning ("pm_update_mute operation failed for some reason");
+    return;
+  }  
+  pa_operation_unref (operation);
 }
 
 void
 pm_update_mic_gain (gint source_index, pa_cvolume new_gain)
 {
-  // LP: #850662
   if (source_index < 0 || pulse_context == NULL){
-    return;
-  }
-  pa_operation_unref (pa_context_set_source_volume_by_index (pulse_context,
-                                                             source_index,
-                                                             &new_gain,
-                                                             NULL,
-                                                             NULL) );
+    g_warning ("pm_update_mic_gain source index is negative or the context is null");        
+    return;
+  }  
+
+  if (pa_context_get_state (pulse_context) != PA_CONTEXT_READY ){
+    g_warning ("pm_update_mic_gain context is not in a ready state");    
+    return;    
+  }
+  
+  pa_operation *operation = NULL;
+  
+  operation = pa_context_set_source_volume_by_index (pulse_context,
+                                                     source_index,
+                                                     &new_gain,
+                                                     NULL,
+                                                     NULL);
+  if (!operation){
+    g_warning ("pm_update_mic_gain operation failed for some reason");
+    return;
+  }
+  pa_operation_unref (operation);                                                     
 }
 
 void
 pm_update_mic_mute (gint source_index, gint mute_update)
 {
-    // LP: #850662
-    if (source_index < 0){
-      return;
-    }
-    pa_operation_unref (pa_context_set_source_mute_by_index (pulse_context,
-                                                             source_index,
-                                                             mute_update,
-                                                             NULL,
-                                                             NULL));
+  if (source_index < 0){
+    return;
+  }
+
+  if (pa_context_get_state (pulse_context) != PA_CONTEXT_READY ){
+    g_warning ("pm_update_mic_mute context is not in a ready state");    
+    return;    
+  }
+
+  pa_operation *operation = NULL;
+
+  operation = pa_context_set_source_mute_by_index (pulse_context,
+                                                   source_index,
+                                                   mute_update,
+                                                   NULL,
+                                                   NULL);
+  if (!operation){
+    g_warning ("pm_update_mic_mute operation failed for some reason");
+    return;
+  }
+  pa_operation_unref (operation);                                                   
 }
+
 /**********************************************************************************************************************/
 //    Pulse-Audio asychronous call-backs
 /**********************************************************************************************************************/
@@ -308,8 +364,6 @@
   }
 }
 
-
-
 static void
 pm_context_state_callback (pa_context *c, void *userdata)
 {
@@ -337,6 +391,12 @@
     break;
   case PA_CONTEXT_TERMINATED:
     g_debug ("Terminated");
+    device_sink_deactivated (DEVICE (userdata));
+
+    if (reconnect_idle_id != 0){
+      g_source_remove (reconnect_idle_id);
+      reconnect_idle_id = 0;
+    }
     break;
   case PA_CONTEXT_READY:
     connection_attempts = 0;