Propagate audible state from player to the containing tab

content/browser/media/android/browser_media_player_manager.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/media/android/browser_media_player_manager.h"
 
 #include "base/android/scoped_java_ref.h"
 #include "base/command_line.h"
 #include "content/browser/android/content_view_core_impl.h"
+#include "content/browser/android/media_players_observer.h"
 #include "content/browser/media/android/browser_demuxer_android.h"
 #include "content/browser/media/android/media_resource_getter_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/web_contents/web_contents_view_android.h"
 #include "content/common/media/media_player_messages_android.h"
 #include "content/public/browser/android/content_view_core.h"
 #include "content/public/browser/android/external_video_surface_container.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/render_frame_host.h"
@@ skipping 30 matching lines @@
 }
 
 // static
 void BrowserMediaPlayerManager::RegisterMediaUrlInterceptor(
     media::MediaUrlInterceptor* media_url_interceptor) {
   media_url_interceptor_ = media_url_interceptor;
 }
 
 // static
 BrowserMediaPlayerManager* BrowserMediaPlayerManager::Create(
-    RenderFrameHost* rfh) {
+    RenderFrameHost* rfh,
+    MediaPlayersObserver* audio_monitor) {
   if (g_factory)
-    return g_factory(rfh);
-  return new BrowserMediaPlayerManager(rfh);
+    return g_factory(rfh, audio_monitor);
+  return new BrowserMediaPlayerManager(rfh, audio_monitor);
 }
 
 ContentViewCoreImpl* BrowserMediaPlayerManager::GetContentViewCore() const {
   return ContentViewCoreImpl::FromWebContents(web_contents());
 }
 
 MediaPlayerAndroid* BrowserMediaPlayerManager::CreateMediaPlayer(
     const MediaPlayerHostMsg_Initialize_Params& media_player_params,
     bool hide_url_log,
     MediaPlayerManager* manager,
@@ skipping 40 matching lines @@
           demuxer->CreateDemuxer(media_player_params.demuxer_client_id),
           media_player_params.frame_url);
     }
   }
 
   NOTREACHED();
   return NULL;
 }
 
 BrowserMediaPlayerManager::BrowserMediaPlayerManager(
-    RenderFrameHost* render_frame_host)
+    RenderFrameHost* render_frame_host,
+    MediaPlayersObserver* audio_monitor)
     : render_frame_host_(render_frame_host),
+      audio_monitor_(audio_monitor),
       fullscreen_player_id_(kInvalidMediaPlayerId),
       fullscreen_player_is_released_(false),
       web_contents_(WebContents::FromRenderFrameHost(render_frame_host)),
       weak_ptr_factory_(this) {
 }
 
 BrowserMediaPlayerManager::~BrowserMediaPlayerManager() {
   // During the tear down process, OnDestroyPlayer() may or may not be called
   // (e.g. the WebContents may be destroyed before the render process). So
   // we cannot DCHECK(players_.empty()) here. Instead, all media players in
@@ skipping 111 matching lines @@
 }
 
 void BrowserMediaPlayerManager::OnVideoSizeChanged(
     int player_id, int width, int height) {
   Send(new MediaPlayerMsg_MediaVideoSizeChanged(RoutingID(), player_id,
       width, height));
   if (fullscreen_player_id_ == player_id)
     video_view_->OnVideoSizeChanged(width, height);
 }
 
+void BrowserMediaPlayerManager::OnAudibleStateChanged(
+    int player_id, bool is_audible) {
+  audio_monitor_->OnAudibleStateChanged(
+      render_frame_host_, player_id, is_audible);
+}
+
 media::MediaResourceGetter*
 BrowserMediaPlayerManager::GetMediaResourceGetter() {
   if (!media_resource_getter_.get()) {
     RenderProcessHost* host = web_contents()->GetRenderProcessHost();
     BrowserContext* context = host->GetBrowserContext();
     StoragePartition* partition = host->GetStoragePartition();
     storage::FileSystemContext* file_system_context =
         partition ? partition->GetFileSystemContext() : NULL;
     // Eventually this needs to be fixed to pass the correct frame rather
     // than just using the main frame.
@@ skipping 244 matching lines @@
   DCHECK(!GetPlayer(player->player_id()));
   players_.push_back(player);
 }
 
 void BrowserMediaPlayerManager::RemovePlayer(int player_id) {
   for (ScopedVector<MediaPlayerAndroid>::iterator it = players_.begin();
       it != players_.end(); ++it) {
     if ((*it)->player_id() == player_id) {
       ReleaseMediaResources(player_id);
       players_.erase(it);
+      audio_monitor_->RemovePlayer(render_frame_host_, player_id);
       break;
     }
   }
 }
 
 scoped_ptr<media::MediaPlayerAndroid> BrowserMediaPlayerManager::SwapPlayer(
       int player_id, media::MediaPlayerAndroid* player) {
   media::MediaPlayerAndroid* previous_player = NULL;
   for (ScopedVector<MediaPlayerAndroid>::iterator it = players_.begin();
       it != players_.end(); ++it) {
@@ skipping 55 matching lines @@
     external_video_surface_container_->ReleaseExternalVideoSurface(player_id);
 #endif  // defined(VIDEO_HOLE)
 }
 
 void BrowserMediaPlayerManager::ReleasePlayer(MediaPlayerAndroid* player) {
   player->Release();
   ReleaseMediaResources(player->player_id());
 }
 
 }  // namespace content