Plumb audio focus support for spitzer clients.

content/renderer/media/renderer_webmediaplayer_delegate.cc

 // Copyright 2015 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/renderer/media/renderer_webmediaplayer_delegate.h"
 
 #include <stdint.h>
 
 #include "content/common/frame_messages.h"
 #include "content/public/renderer/render_frame.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayer.h"
 
 namespace media {
 
 RendererWebMediaPlayerDelegate::RendererWebMediaPlayerDelegate(
     content::RenderFrame* render_frame)
     : RenderFrameObserver(render_frame) {}
 
 RendererWebMediaPlayerDelegate::~RendererWebMediaPlayerDelegate() {}
 
-void RendererWebMediaPlayerDelegate::DidPlay(blink::WebMediaPlayer* player) {
-  has_played_media_ = true;
-  players_.insert(player);
-  Send(new FrameHostMsg_MediaPlayingNotification(
-      routing_id(), reinterpret_cast<int64_t>(player), player->hasVideo(),
-      player->hasAudio(), player->isRemote(),
-      base::TimeDelta::FromSecondsD(player->duration())));
-}
-
-void RendererWebMediaPlayerDelegate::DidPause(blink::WebMediaPlayer* player) {
-  DCHECK_EQ(players_.count(player), 1u);
-  Send(new FrameHostMsg_MediaPausedNotification(
-      routing_id(), reinterpret_cast<int64_t>(player),
-      player->currentTime() >= player->duration()));
-}
-
-void RendererWebMediaPlayerDelegate::PlayerGone(blink::WebMediaPlayer* player) {
-  // No player may exist, so this might be a no-op.
-  players_.erase(player);
-  Send(new FrameHostMsg_MediaDestroyedNotification(
-      routing_id(), reinterpret_cast<int64_t>(player)));
-}
-
 void RendererWebMediaPlayerDelegate::AddObserver(Observer* observer) {
   observer_list_.AddObserver(observer);
 }
 
-void RendererWebMediaPlayerDelegate::RemoveObserver(Observer* observer) {
+void RendererWebMediaPlayerDelegate::DidPlay(Observer* observer) {
+  has_played_media_ = true;
+  blink::WebMediaPlayer* player = observer->GetPlayer();
+  Send(new FrameHostMsg_MediaPlayingNotification(
+      routing_id(), reinterpret_cast<int64_t>(observer), player->hasVideo(),
+      player->hasAudio(), player->isRemote(),
+      base::TimeDelta::FromSecondsD(player->duration())));
+}
+
+void RendererWebMediaPlayerDelegate::DidPause(Observer* observer) {
+  blink::WebMediaPlayer* player = observer->GetPlayer();
+  Send(new FrameHostMsg_MediaPausedNotification(
+      routing_id(), reinterpret_cast<int64_t>(observer),
+      player->currentTime() >= player->duration()));
+}
+
+void RendererWebMediaPlayerDelegate::PlayerGone(Observer* observer) {
   observer_list_.RemoveObserver(observer);
+  Send(new FrameHostMsg_MediaDestroyedNotification(
+      routing_id(), reinterpret_cast<int64_t>(observer)));
 }
 
 void RendererWebMediaPlayerDelegate::WasHidden() {
   FOR_EACH_OBSERVER(Observer, observer_list_, OnHidden());
 }
 
 void RendererWebMediaPlayerDelegate::WasShown() {
   FOR_EACH_OBSERVER(Observer, observer_list_, OnShown());
 }
 
 bool RendererWebMediaPlayerDelegate::IsHidden() {
   return render_frame()->IsHidden();
 }
 
 bool RendererWebMediaPlayerDelegate::OnMessageReceived(
     const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RendererWebMediaPlayerDelegate, msg)
     IPC_MESSAGE_HANDLER(FrameMsg_MediaDelegatePause, OnMediaDelegatePause)
     IPC_MESSAGE_HANDLER(FrameMsg_MediaDelegatePlay, OnMediaDelegatePlay)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void RendererWebMediaPlayerDelegate::OnMediaDelegatePause(
     int64_t player_cookie) {
-  // Translate the player cookie back to a WebMediaPlayer instance and make sure
-  // it's still a valid instance.
-  blink::WebMediaPlayer* player =
-      reinterpret_cast<blink::WebMediaPlayer*>(player_cookie);
-  if (players_.find(player) == players_.end())
+  LOG(ERROR) << "PAUSEDDDD";
+
+  // Translate the player cookie back to a Observer instance and make sure it's
+  // still a valid instance.
+  Observer* observer = reinterpret_cast<Observer*>(player_cookie);
+  if (!observer_list_.HasObserver(observer))
     return;
-  player->pause();
+
+  observer->OnPause();
 }
 
 void RendererWebMediaPlayerDelegate::OnMediaDelegatePlay(
     int64_t player_cookie) {
-  // Translate the player cookie back to a WebMediaPlayer instance and make sure
-  // it's still a valid instance.
-  blink::WebMediaPlayer* player =
-      reinterpret_cast<blink::WebMediaPlayer*>(player_cookie);
-  if (players_.find(player) == players_.end())
+  LOG(ERROR) << "PLAYEEED";
+
+  // Translate the player cookie back to a Observer instance and make sure it's
+  // still a valid instance.
+  Observer* observer = reinterpret_cast<Observer*>(player_cookie);
+  if (!observer_list_.HasObserver(observer))
     return;
-  player->play();
+
+  observer->OnPlay();
 }
 
 }  // namespace media