Post FinishedSignal to UIThead

When UI thread feature was enabled, there was a bug.
The signal was emitted on the main thread from the MMFW.
Then Dali caused an assertion because the timer was stopped on the main thread.
The signal has to be invoked on the same thread as the adaptor's

Change-Id: I3fefc78959f67f205373b2f6d5c6838891071fcc

diff --git a/dali-extension/video-player/ecore-wl2/tizen-video-player-ecore-wl2.cpp b/dali-extension/video-player/ecore-wl2/tizen-video-player-ecore-wl2.cpp
index db9ab94..a96ca8d 100755 (executable)
--- a/dali-extension/video-player/ecore-wl2/tizen-video-player-ecore-wl2.cpp
+++ b/dali-extension/video-player/ecore-wl2/tizen-video-player-ecore-wl2.cpp
@@ -61,6 +61,22 @@ static void MediaPacketVideoDecodedCb(media_packet_h packet, void* user_data)
   player->PushPacket(packet);
 }
 
+static GMainContext* GetTizenGlibContext()
+{
+  static GMainContext* context = nullptr;
+
+  if(!context)
+  {
+    const char* env = getenv("TIZEN_GLIB_CONTEXT");
+    if(env)
+    {
+      context = (GMainContext*)strtoul(env, nullptr, 10);
+    }
+  }
+
+  return context;
+}
+
 static void EmitPlaybackFinishedSignal(void* user_data)
 {
   TizenVideoPlayer* player = static_cast<TizenVideoPlayer*>(user_data);
@@ -73,11 +89,36 @@ static void EmitPlaybackFinishedSignal(void* user_data)
 
   if(!player->mFinishedSignal.Empty())
   {
-    DALI_LOG_ERROR("EmitPlaybackFinishedSignal.3\n");
-    player->mFinishedSignal.Emit();
+    DALI_LOG_ERROR("EmitPlaybackFinishedSignal.\n");
+
+    // This function is invoked on the main thread from MMFW.
+    // So the FinishedSignal has to be posted to UIThread when UIThread is enabled.
+    // If not, it causes an assertion in the timer.
+    // The timer has to run on the same thread as the adaptor's
+    GMainContext* context = GetTizenGlibContext();
+    if(context)
+    {
+      GSource* source = g_idle_source_new();
+      g_source_set_callback(
+        source,
+        [](gpointer userData) -> gboolean
+        {
+          auto* player = static_cast<TizenVideoPlayer*>(userData);
+          player->mFinishedSignal.Emit();
+          player->Stop();
+          return G_SOURCE_REMOVE;
+        },
+        player,
+        nullptr);
+      g_source_attach(source, context);
+      g_source_unref(source);
+    }
+    else
+    {
+      player->mFinishedSignal.Emit();
+      player->Stop();
+    }
   }
-
-  player->Stop();
 }
 
 // ToDo: VD player_set_play_position() doesn't work when callback pointer is NULL.
@@ -794,7 +835,7 @@ void TizenVideoPlayer::InitializeEnableSyncMode(Ecore_Wl2_Window* ecoreWlWindow)
   if(mEcoreWlWindow != ecoreWlWindow)
   {
     mEcoreWlWindow = ecoreWlWindow;
-    //check previous video subsurface and destroy
+    // check previous video subsurface and destroy
     if(mEcoreSubVideoWindow)
     {
       ecore_wl2_subsurface_del(mEcoreSubVideoWindow);