Media Remoting: Add RemotingController.

media/blink/webmediaplayer_impl.cc

Index: media/blink/webmediaplayer_impl.cc
diff --git a/media/blink/webmediaplayer_impl.cc b/media/blink/webmediaplayer_impl.cc
index 7c67743e982b430e3c7794a1e1d2a3310806ee3c..eda938bd8ba9744c66ff5008e80e363c6eac3ffc 100644
--- a/media/blink/webmediaplayer_impl.cc
+++ b/media/blink/webmediaplayer_impl.cc
@@ -227,7 +227,8 @@ WebMediaPlayerImpl::WebMediaPlayerImpl(
       suppress_destruction_errors_(false),
       can_suspend_state_(CanSuspendState::UNKNOWN),
       is_encrypted_(false),
-      underflow_count_(0) {
+      underflow_count_(0),
+      observer_(params.media_observer()) {
   DCHECK(!adjust_allocated_memory_cb_.is_null());
   DCHECK(renderer_factory_);
   DCHECK(client_);
@@ -337,11 +338,15 @@ void WebMediaPlayerImpl::DisableOverlay() {
 void WebMediaPlayerImpl::enteredFullscreen() {
   if (!force_video_overlays_ && !disable_fullscreen_video_overlays_)
     EnableOverlay();
+  if (observer_)
+    observer_->OnEnteredFullscreen();
 }
 
 void WebMediaPlayerImpl::exitedFullscreen() {
   if (!force_video_overlays_ && !disable_fullscreen_video_overlays_)
     DisableOverlay();
+  if (observer_)
+    observer_->OnExitedFullscreen();
 }
 
 void WebMediaPlayerImpl::DoLoad(LoadType load_type,
@@ -953,6 +958,9 @@ void WebMediaPlayerImpl::SetCdm(const CdmAttachedCB& cdm_attached_cb,
     return;
   }
 
+  if (observer_)
+    observer_->OnSetCdm(cdm_context);
+
   // If CDM initialization succeeded, tell the pipeline about it.
   pipeline_.SetCdm(cdm_context, cdm_attached_cb);
 }
@@ -1091,6 +1099,9 @@ void WebMediaPlayerImpl::OnMetadata(PipelineMetadata metadata) {
     client_->setWebLayer(video_weblayer_.get());
   }
 
+  if (observer_ && (hasVideo() || hasAudio()))
+    observer_->OnMetadata(metadata);

[xhwang, 2016/10/04 06:30:29]

The MediaObserver interface doesn't say that OnMetadata() should only be called
when we have audio or video. I feel we should always call OnMetadata() and let
the MediaObserver implementation decide what to do with the metadata.

[xjz, 2016/10/04 19:21:29]

Done.

+
   CreateWatchTimeReporter();
   UpdatePlayState();
 }
@@ -1821,4 +1832,14 @@ void WebMediaPlayerImpl::CreateWatchTimeReporter() {
     watch_time_reporter_->OnShown();
 }
 
+void WebMediaPlayerImpl::ancestorEnteredFullscreen() {
+  if (observer_)
+    observer_->OnEnteredFullscreen();
+}
+
+void WebMediaPlayerImpl::ancestorExitedFullscreen() {
+  if (observer_)
+    observer_->OnExitedFullscreen();
+}
+
 }  // namespace media