Rename MediaPlayerBridgeManager to MediaPlayerManager

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 "content/browser/android/media_resource_getter_impl.h"
-#include "content/browser/web_contents/web_contents_view_android.h"
-#include "content/common/media/media_player_messages.h"
-#include "content/public/browser/browser_context.h"
-#include "content/public/browser/render_process_host.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/storage_partition.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),
-      web_contents_(WebContents::FromRenderViewHost(render_view_host)) {
-}
-
-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)
-#if defined(GOOGLE_TV)
-    IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_RequestExternalSurface,
-                        OnRequestExternalSurface)
-    IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_NotifyGeometryChange,
-                        OnNotifyGeometryChange)
-#endif
-    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_));
-  }
-}
-
-void MediaPlayerManagerAndroid::FullscreenPlayerPause() {
-  MediaPlayerBridge* player = GetFullscreenPlayer();
-  if (player) {
-    player->Pause();
-    Send(new MediaPlayerMsg_DidMediaPlayerPause(
-        routing_id(), fullscreen_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_));
-  MediaPlayerBridge* player = GetFullscreenPlayer();
-  fullscreen_player_id_ = -1;
-  if (!player)
-    return;
-  if (release_media_player)
-    player->Release();
-  else
-    player->SetVideoSurface(NULL);
-}
-
-void MediaPlayerManagerAndroid::SetVideoSurface(jobject surface) {
-  MediaPlayerBridge* player = GetFullscreenPlayer();
-  if (player) {
-    player->SetVideoSurface(surface);
-    Send(new MediaPlayerMsg_DidEnterFullscreen(
-        routing_id(), player->player_id()));
-  }
-}
-
-void MediaPlayerManagerAndroid::OnInitialize(
-    int player_id, const GURL& url, const GURL& first_party_for_cookies) {
-  for (ScopedVector<MediaPlayerBridge>::iterator it = players_.begin();
-      it != players_.end(); ++it) {
-    if ((*it)->player_id() == player_id) {
-      players_.erase(it);
-      break;
-    }
-  }
-
-  RenderProcessHost* host = render_view_host()->GetProcess();
-  BrowserContext* context = host->GetBrowserContext();
-  StoragePartition* partition = host->GetStoragePartition();
-  fileapi::FileSystemContext* file_system_context =
-      partition ? partition->GetFileSystemContext() : NULL;
-  players_.push_back(new MediaPlayerBridge(
-      player_id, url, first_party_for_cookies,
-      new MediaResourceGetterImpl(context, file_system_context, host->GetID(),
-                                  routing_id()),
-      context->IsOffTheRecord(), this,
-      base::Bind(&MediaPlayerManagerAndroid::OnError, base::Unretained(this)),
-      base::Bind(&MediaPlayerManagerAndroid::OnVideoSizeChanged,
-                 base::Unretained(this)),
-      base::Bind(&MediaPlayerManagerAndroid::OnBufferingUpdate,
-                 base::Unretained(this)),
-      base::Bind(&MediaPlayerManagerAndroid::OnMediaMetadataChanged,
-                 base::Unretained(this)),
-      base::Bind(&MediaPlayerManagerAndroid::OnPlaybackComplete,
-                 base::Unretained(this)),
-      base::Bind(&MediaPlayerManagerAndroid::OnSeekComplete,
-                 base::Unretained(this)),
-      base::Bind(&MediaPlayerManagerAndroid::OnTimeUpdate,
-                 base::Unretained(this)),
-      base::Bind(&MediaPlayerManagerAndroid::OnMediaInterrupted,
-                 base::Unretained(this))));
-}
-
-void MediaPlayerManagerAndroid::OnStart(int player_id) {
-  MediaPlayerBridge* player = GetPlayer(player_id);
-  if (player)
-    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);
-
-  fullscreen_player_id_ = player_id;
-  video_view_.CreateContentVideoView();
-}
-
-void MediaPlayerManagerAndroid::OnExitFullscreen(int player_id) {
-  if (fullscreen_player_id_ == player_id) {
-    MediaPlayerBridge* player = GetPlayer(player_id);
-    if (player)
-      player->SetVideoSurface(NULL);
-    video_view_.DestroyContentVideoView();
-    fullscreen_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_)
-    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;
-}
-
-void MediaPlayerManagerAndroid::DestroyAllMediaPlayers() {
-  players_.clear();
-  if (fullscreen_player_id_ != -1) {
-    video_view_.DestroyContentVideoView();
-    fullscreen_player_id_ = -1;
-  }
-}
-
-#if defined(GOOGLE_TV)
-void MediaPlayerManagerAndroid::AttachExternalVideoSurface(int player_id,
-                                                           jobject surface) {
-  MediaPlayerBridge* player = GetPlayer(player_id);
-  if (player)
-    player->SetVideoSurface(surface);
-}
-
-void MediaPlayerManagerAndroid::DetachExternalVideoSurface(int player_id) {
-  MediaPlayerBridge* player = GetPlayer(player_id);
-  if (player)
-    player->SetVideoSurface(NULL);
-}
-
-void MediaPlayerManagerAndroid::OnRequestExternalSurface(int player_id) {
-  if (!web_contents_)
-    return;
-
-  WebContentsViewAndroid* view =
-      static_cast<WebContentsViewAndroid*>(web_contents_->GetView());
-  if (view)
-    view->RequestExternalVideoSurface(player_id);
-}
-
-void MediaPlayerManagerAndroid::OnNotifyGeometryChange(int player_id,
-                                                       const gfx::RectF& rect) {
-  if (!web_contents_)
-    return;
-
-  WebContentsViewAndroid* view =
-      static_cast<WebContentsViewAndroid*>(web_contents_->GetView());
-  if (view)
-    view->NotifyGeometryChange(player_id, rect);
-}
-#endif
-
-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() {
-  return GetPlayer(fullscreen_player_id_);
-}
-
-void MediaPlayerManagerAndroid::OnMediaMetadataChanged(
-    int player_id, base::TimeDelta duration, int width, int height,
-    bool success) {
-  Send(new MediaPlayerMsg_MediaMetadataChanged(
-      routing_id(), player_id, duration, width, height, success));
-  if (fullscreen_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)
-    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)
-    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)
-    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)
-    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(
-    MediaPlayerBridge* player) {
-  if (player == NULL)
-    return;
-
-  int num_active_player = 0;
-  ScopedVector<MediaPlayerBridge>::iterator it;
-  for (it = players_.begin(); it != players_.end(); ++it) {
-    if (!(*it)->prepared())
-      continue;
-
-    // The player is already active, ignore it.
-    if ((*it) == player)
-      return;
-    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()) {
-      (*it)->Release();
-      Send(new MediaPlayerMsg_MediaPlayerReleased(
-          routing_id(), (*it)->player_id()));
-    }
-  }
-}
-
-void MediaPlayerManagerAndroid::ReleaseMediaResources(
-    MediaPlayerBridge* player) {
-  // Nothing needs to be done.
-}
-
-}  // namespace content