Add external surface rendering mode

content/browser/android/media_player_manager_android.cc

 // Copyright (c) 2012 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/android/media_player_manager_android.h"
 
 #include "base/bind.h"
+#include "base/command_line.h"
 #include "content/browser/android/cookie_getter_impl.h"
 #include "content/common/media/media_player_messages.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
+#include "content/public/common/content_switches.h"
 
 using media::MediaPlayerBridge;
 
 // Threshold on the number of media players per renderer before we start
 // attempting to release inactive media players.
 static const int kMediaPlayerThreshold = 1;
 
 namespace content {
 
 MediaPlayerManagerAndroid::MediaPlayerManagerAndroid(
     RenderViewHost* render_view_host)
     : RenderViewHostObserver(render_view_host),
       ALLOW_THIS_IN_INITIALIZER_LIST(video_view_(this)),
-      fullscreen_player_id_(-1) {
+      video_view_player_id_(-1) {
 }
 
 MediaPlayerManagerAndroid::~MediaPlayerManagerAndroid() {}
 
 bool MediaPlayerManagerAndroid::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(MediaPlayerManagerAndroid, msg)
     IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_EnterFullscreen, OnEnterFullscreen)
     IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_ExitFullscreen, OnExitFullscreen)
     IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_MediaPlayerInitialize, OnInitialize)
     IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_MediaPlayerStart, OnStart)
     IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_MediaPlayerSeek, OnSeek)
     IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_MediaPlayerPause, OnPause)
     IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_MediaPlayerRelease,
                         OnReleaseResources)
     IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_DestroyMediaPlayer, OnDestroyPlayer)
     IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_DestroyAllMediaPlayers,
                         DestroyAllMediaPlayers)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void MediaPlayerManagerAndroid::FullscreenPlayerPlay() {
   MediaPlayerBridge* player = GetFullscreenPlayer();
   if (player) {
     player->Start();
     Send(new MediaPlayerMsg_DidMediaPlayerPlay(
-        routing_id(), fullscreen_player_id_));
+        routing_id(), video_view_player_id_));
   }
 }
 
 void MediaPlayerManagerAndroid::FullscreenPlayerPause() {
   MediaPlayerBridge* player = GetFullscreenPlayer();
   if (player) {
     player->Pause();
     Send(new MediaPlayerMsg_DidMediaPlayerPause(
-        routing_id(), fullscreen_player_id_));
+        routing_id(), video_view_player_id_));
   }
 }
 
 void MediaPlayerManagerAndroid::FullscreenPlayerSeek(int msec) {
   MediaPlayerBridge* player = GetFullscreenPlayer();
   if (player)
     player->SeekTo(base::TimeDelta::FromMilliseconds(msec));
 }
 
 void MediaPlayerManagerAndroid::ExitFullscreen(bool release_media_player) {
   Send(new MediaPlayerMsg_DidExitFullscreen(
-      routing_id(), fullscreen_player_id_));
+      routing_id(), video_view_player_id_));
   MediaPlayerBridge* player = GetFullscreenPlayer();
-  fullscreen_player_id_ = -1;
+  video_view_player_id_ = -1;
   if (!player)
     return;
   if (release_media_player)
     player->Release();
   else
     player->SetVideoSurface(NULL);
 }
 
 void MediaPlayerManagerAndroid::SetVideoSurface(jobject surface) {
-  MediaPlayerBridge* player = GetFullscreenPlayer();
+  MediaPlayerBridge* player = GetPlayer(video_view_player_id_);
   if (player) {
     player->SetVideoSurface(surface);
-    Send(new MediaPlayerMsg_DidEnterFullscreen(
-        routing_id(), player->player_id()));
+    if (video_view_.getPersonality() ==
+        ContentVideoView::PERSONALITY_FULL_SCREEN) {
+      Send(new MediaPlayerMsg_DidEnterFullscreen(
+          routing_id(), player->player_id()));

[qinmin, 2012/12/17 19:34:06]

Just collapse these 2 into a single message, new
MediaPlayerMsg_DidEnterVideoView(personality)

[wonsik2, 2013/02/14 14:56:38]

Done.

+    } else {
+      // TODO(wonsik): Find better way to communicate this event.
+      Send(new MediaPlayerMsg_DidEnterVideoView(
+          routing_id(), player->player_id()));
+    }
   }
 }
 
 void MediaPlayerManagerAndroid::OnInitialize(
     int player_id, const std::string& url,
     const std::string& first_party_for_cookies) {
   for (ScopedVector<MediaPlayerBridge>::iterator it = players_.begin();
       it != players_.end(); ++it) {
     if ((*it)->player_id() == player_id) {
       players_.erase(it);
@@ skipping 23 matching lines @@
       base::Bind(&MediaPlayerManagerAndroid::OnMediaInterrupted,
                  base::Unretained(this))));
 
   // Send a MediaPrepared message to webkit so that Load() can finish.
   Send(new MediaPlayerMsg_MediaPrepared(
       routing_id(), player_id, GetPlayer(player_id)->GetDuration()));
 }
 
 void MediaPlayerManagerAndroid::OnStart(int player_id) {
   MediaPlayerBridge* player = GetPlayer(player_id);
-  if (player)
+  if (player) {
+    if (CommandLine::ForCurrentProcess()->HasSwitch(
+        switches::kRenderVideoOnExternalSurface)) {
+      // TODO(wonsik): Find a way to enable this feature only when it is
+      // absolutely necessary (e.g. protected content).
+      if (video_view_player_id_ != -1) {

[qinmin, 2012/12/17 19:34:06]

no { needed

[wonsik2, 2013/02/14 14:56:38]

Done.

+        ExitFromVideoView(video_view_player_id_);

[qinmin, 2012/12/17 19:34:06]

do we pause the player afterwards?

[wonsik2, 2013/02/14 14:56:38]

Done.

+      }
+      video_view_player_id_ = player_id;
+      video_view_.CreateContentVideoView(
+          ContentVideoView::PERSONALITY_EMBEDDED);
+    }
     player->Start();
+  }
 }
 
 void MediaPlayerManagerAndroid::OnSeek(int player_id, base::TimeDelta time) {
   MediaPlayerBridge* player = GetPlayer(player_id);
   if (player)
     player->SeekTo(time);
 }
 
 void MediaPlayerManagerAndroid::OnPause(int player_id) {
   MediaPlayerBridge* player = GetPlayer(player_id);
   if (player)
     player->Pause();
 }
 
 void MediaPlayerManagerAndroid::OnEnterFullscreen(int player_id) {
-  DCHECK_EQ(fullscreen_player_id_, -1);
+  if (video_view_player_id_ != -1) {

[qinmin, 2012/12/17 19:34:06]

no { needed

[wonsik2, 2013/02/14 14:56:38]

Done.

+    ExitFromVideoView(video_view_player_id_);
+  }
 
-  fullscreen_player_id_ = player_id;
-  video_view_.CreateContentVideoView();
+  video_view_player_id_ = player_id;
+  video_view_.CreateContentVideoView(ContentVideoView::PERSONALITY_FULL_SCREEN);
 }
 
 void MediaPlayerManagerAndroid::OnExitFullscreen(int player_id) {
-  if (fullscreen_player_id_ == player_id) {
+  ExitFromVideoView(player_id);
+}
+
+void MediaPlayerManagerAndroid::ExitFromVideoView(int player_id) {
+  if (video_view_player_id_ == player_id) {
+    if (video_view_.getPersonality() !=
+        ContentVideoView::PERSONALITY_FULL_SCREEN) {
+      Send(new MediaPlayerMsg_DidExitVideoView(

[qinmin, 2012/12/17 19:34:06]

combine this message with DidExitFullscreen

[wonsik2, 2013/02/14 14:56:38]

Done.

+          routing_id(), video_view_player_id_));
+    }
     MediaPlayerBridge* player = GetPlayer(player_id);
     if (player)
       player->SetVideoSurface(NULL);
     video_view_.DestroyContentVideoView();
-    fullscreen_player_id_ = -1;
+    video_view_player_id_ = -1;
   }
 }
 
 void MediaPlayerManagerAndroid::OnReleaseResources(int player_id) {
   MediaPlayerBridge* player = GetPlayer(player_id);
   // Don't release the fullscreen player when tab visibility changes,
   // it will be released when user hit the back/home button or when
   // OnDestroyPlayer is called.
-  if (player && player_id != fullscreen_player_id_)
+  if (player && player_id != video_view_player_id_)
     player->Release();
 }
 
 void MediaPlayerManagerAndroid::OnDestroyPlayer(int player_id) {
   for (ScopedVector<MediaPlayerBridge>::iterator it = players_.begin();
       it != players_.end(); ++it) {
     if ((*it)->player_id() == player_id) {
       players_.erase(it);
       break;
     }
   }
-  if (fullscreen_player_id_ == player_id)
-    fullscreen_player_id_ = -1;
+  if (video_view_player_id_ == player_id)
+    video_view_player_id_ = -1;
 }
 
 void MediaPlayerManagerAndroid::DestroyAllMediaPlayers() {
   players_.clear();
-  if (fullscreen_player_id_ != -1) {
+  if (video_view_player_id_ != -1) {
     video_view_.DestroyContentVideoView();
-    fullscreen_player_id_ = -1;
+    video_view_player_id_ = -1;
   }
 }
 
 MediaPlayerBridge* MediaPlayerManagerAndroid::GetPlayer(int player_id) {
   for (ScopedVector<MediaPlayerBridge>::iterator it = players_.begin();
       it != players_.end(); ++it) {
     if ((*it)->player_id() == player_id)
       return *it;
   }
   return NULL;
 }
 
 MediaPlayerBridge* MediaPlayerManagerAndroid::GetFullscreenPlayer() {

[qinmin, 2012/12/17 19:34:06]

This function name should be changed getVideoViewPlayer. 

[wonsik2, 2013/02/14 14:56:38]

This indeed returns fullscreen player since it only returns the instance when it
is in fullscreen mode.

-  return GetPlayer(fullscreen_player_id_);
+  if (video_view_.getPersonality() !=
+      ContentVideoView::PERSONALITY_FULL_SCREEN) {
+    return NULL;
+  }
+  return GetPlayer(video_view_player_id_);
 }
 
 void MediaPlayerManagerAndroid::OnPrepared(int player_id,
                                            base::TimeDelta duration) {
   Send(new MediaPlayerMsg_MediaPrepared(routing_id(), player_id, duration));
-  if (fullscreen_player_id_ != -1)
+  if (video_view_player_id_ != -1)
     video_view_.UpdateMediaMetadata();
 }
 
 void MediaPlayerManagerAndroid::OnPlaybackComplete(int player_id) {
   Send(new MediaPlayerMsg_MediaPlaybackCompleted(routing_id(), player_id));
-  if (fullscreen_player_id_ != -1)
+  if (video_view_player_id_ != -1)
     video_view_.OnPlaybackComplete();
 }
 
 void MediaPlayerManagerAndroid::OnMediaInterrupted(int player_id) {
   // Tell WebKit that the audio should be paused, then release all resources
   Send(new MediaPlayerMsg_DidMediaPlayerPause(routing_id(), player_id));
   OnReleaseResources(player_id);
 }
 
 void MediaPlayerManagerAndroid::OnBufferingUpdate(
     int player_id, int percentage) {
   Send(new MediaPlayerMsg_MediaBufferingUpdate(
       routing_id(), player_id, percentage));
-  if (fullscreen_player_id_ != -1)
+  if (video_view_player_id_ != -1)
     video_view_.OnBufferingUpdate(percentage);
 }
 
 void MediaPlayerManagerAndroid::OnSeekComplete(int player_id,
                                                base::TimeDelta current_time) {
   Send(new MediaPlayerMsg_MediaSeekCompleted(
       routing_id(), player_id, current_time));
 }
 
 void MediaPlayerManagerAndroid::OnError(int player_id, int error) {
   Send(new MediaPlayerMsg_MediaError(routing_id(), player_id, error));
-  if (fullscreen_player_id_ != -1)
+  if (video_view_player_id_ != -1)
     video_view_.OnMediaPlayerError(error);
 }
 
 void MediaPlayerManagerAndroid::OnVideoSizeChanged(
     int player_id, int width, int height) {
   Send(new MediaPlayerMsg_MediaVideoSizeChanged(routing_id(), player_id,
       width, height));
-  if (fullscreen_player_id_ != -1)
+  if (video_view_player_id_ != -1)
     video_view_.OnVideoSizeChanged(width, height);
 }
 
 void MediaPlayerManagerAndroid::OnTimeUpdate(int player_id,
                                              base::TimeDelta current_time) {
   Send(new MediaPlayerMsg_MediaTimeUpdate(
       routing_id(), player_id, current_time));
 }
 
 void MediaPlayerManagerAndroid::RequestMediaResources(
@@ skipping 13 matching lines @@
     else
       num_active_player++;
   }
 
   // Number of active players are less than the threshold, do nothing.
   if (num_active_player < kMediaPlayerThreshold)
     return;
 
   for (it = players_.begin(); it != players_.end(); ++it) {
     if ((*it)->prepared() && !(*it)->IsPlaying() &&
-        fullscreen_player_id_ != (*it)->player_id()) {
+        video_view_player_id_ != (*it)->player_id()) {
       (*it)->Release();
       Send(new MediaPlayerMsg_MediaPlayerReleased(
           routing_id(), (*it)->player_id()));
     }
   }
 }
 
 void MediaPlayerManagerAndroid::ReleaseMediaResources(
     MediaPlayerBridge* player) {
   // Nothing needs to be done.
 }
 
 }  // namespace content