Move android mediaplayer from render process to browser process.

webkit/media/android/webmediaplayer_in_process_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 "webkit/media/android/webmediaplayer_in_process_android.h"
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "base/utf_string_conversions.h"
+#include "media/base/android/media_player_bridge.h"
+#include "media/base/android/media_player_bridge_manager.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebMediaPlayerClient.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebCookieJar.h"
+#include "webkit/media/android/stream_texture_factory_android.h"
+#include "webkit/media/android/webmediaplayer_manager_android.h"
+
+using WebKit::WebMediaPlayerClient;
+using WebKit::WebMediaPlayer;
+using WebKit::WebURL;
+using media::MediaPlayerBridge;
+
+namespace webkit_media {
+
+InProcessCookieGetter::InProcessCookieGetter(WebKit::WebCookieJar* cookie_jar)
+    : cookie_jar_(cookie_jar) {
+}
+
+InProcessCookieGetter::~InProcessCookieGetter() {}
+
+void InProcessCookieGetter::GetCookies(
+    const std::string& url,
+    const std::string& first_party_for_cookies,
+    const GetCookieCB& callback) {
+  std::string cookies;
+  if (cookie_jar_ != NULL) {
+    cookies = UTF16ToUTF8(
+        cookie_jar_->cookies(GURL(url), GURL(first_party_for_cookies)));
+  }
+  callback.Run(cookies);
+}
+
+WebMediaPlayerInProcessAndroid::WebMediaPlayerInProcessAndroid(
+    WebKit::WebFrame* frame,
+    WebMediaPlayerClient* client,
+    WebKit::WebCookieJar* cookie_jar,
+    WebMediaPlayerManagerAndroid* manager,
+    media::MediaPlayerBridgeManager* resource_manager,
+    StreamTextureFactory* factory,
+    bool disable_media_history_logging)
+    : WebMediaPlayerAndroid(client, manager, factory),
+      frame_(frame),
+      playback_completed_(false),
+      cookie_jar_(cookie_jar),
+      resource_manager_(resource_manager),
+      disable_history_logging_(disable_media_history_logging) {
+}
+
+WebMediaPlayerInProcessAndroid::~WebMediaPlayerInProcessAndroid() {}
+
+void WebMediaPlayerInProcessAndroid::PlayInternal() {
+  if (paused())
+    media_player_->Start();
+}
+
+void WebMediaPlayerInProcessAndroid::PauseInternal() {
+  if (!paused())
+    media_player_->Pause();
+}
+
+void WebMediaPlayerInProcessAndroid::SeekInternal(base::TimeDelta time) {
+  playback_completed_ = false;
+  media_player_->SeekTo(time);
+}
+
+bool WebMediaPlayerInProcessAndroid::paused() const {
+  return !media_player_->IsPlaying();
+}
+
+float WebMediaPlayerInProcessAndroid::GetCurrentTimeInternal() const {
+  // When playback is about to finish, android media player often stops
+  // at a time which is smaller than the duration. This makes webkit never
+  // know that the playback has finished. To solve this, we set the
+  // current time to media duration when OnPlaybackComplete() get called.
+  if (playback_completed_)
+    return duration();
+  return static_cast<float>(media_player_->GetCurrentTime().InSecondsF());
+}
+
+void WebMediaPlayerInProcessAndroid::ReleaseResourcesInternal() {
+  media_player_->Release();
+}
+
+void WebMediaPlayerInProcessAndroid::MediaPreparedCallback(
+    int player_id, base::TimeDelta duration) {
+  OnMediaPrepared(duration);
+}
+
+void WebMediaPlayerInProcessAndroid::PlaybackCompleteCallback(int player_id) {
+  // Set the current time equal to duration to let webkit know that play back
+  // is completed.
+  playback_completed_ = true;
+  client()->timeChanged();
+}
+
+void WebMediaPlayerInProcessAndroid::SeekCompleteCallback(
+    int player_id, base::TimeDelta current_time) {
+  OnSeekComplete(current_time);
+}
+
+void WebMediaPlayerInProcessAndroid::MediaErrorCallback(int player_id,
+                                                        int error_type) {
+  OnMediaError(error_type);
+}
+
+void WebMediaPlayerInProcessAndroid::VideoSizeChangedCallback(
+    int player_id, int width, int height) {
+  OnVideoSizeChanged(width, height);
+}
+
+void WebMediaPlayerInProcessAndroid::BufferingUpdateCallback(
+    int player_id, int percent) {
+  OnBufferingUpdate(percent);
+}
+
+void WebMediaPlayerInProcessAndroid::SetVideoSurface(jobject j_surface) {
+  media_player_->SetVideoSurface(j_surface);
+}
+
+void WebMediaPlayerInProcessAndroid::InitializeMediaPlayer(GURL url) {
+  GURL first_party_url = frame_->document().firstPartyForCookies();
+  media_player_.reset(new MediaPlayerBridge(
+      player_id(), url.spec(), first_party_url.spec(),
+      new InProcessCookieGetter(cookie_jar_),
+      disable_history_logging_,
+      resource_manager_,
+      base::Bind(&WebMediaPlayerInProcessAndroid::MediaErrorCallback,
+                 base::Unretained(this)),
+      base::Bind(&WebMediaPlayerInProcessAndroid::VideoSizeChangedCallback,
+                 base::Unretained(this)),
+      base::Bind(&WebMediaPlayerInProcessAndroid::BufferingUpdateCallback,
+                 base::Unretained(this)),
+      base::Bind(&WebMediaPlayerInProcessAndroid::MediaPreparedCallback,
+                 base::Unretained(this)),
+      base::Bind(&WebMediaPlayerInProcessAndroid::PlaybackCompleteCallback,
+                 base::Unretained(this)),
+      base::Bind(&WebMediaPlayerInProcessAndroid::SeekCompleteCallback,
+                 base::Unretained(this)),
+      base::Bind(&WebMediaPlayerInProcessAndroid::TimeUpdateCallback,
+                 base::Unretained(this))));
+
+  UpdateNetworkState(WebMediaPlayer::NetworkStateLoading);
+  UpdateReadyState(WebMediaPlayer::ReadyStateHaveNothing);
+
+  // Calling Prepare() will cause android mediaplayer to start
+  // buffering and decoding the data. On mobile devices, this costs a lot of
+  // data usage and could even introduce performance issues. So we don't
+  // initialize the player unless it is a local file. We will start loading
+  // the media only when play/seek/fullsceen button is clicked.
+  if (url.SchemeIs("file")) {
+    media_player_->Prepare();
+    return;
+  }
+
+  // Pretend everything has been loaded so that webkit can
+  // still call play() and seek().
+  UpdateReadyState(WebMediaPlayer::ReadyStateHaveMetadata);
+  UpdateReadyState(WebMediaPlayer::ReadyStateHaveEnoughData);
+}
+
+void WebMediaPlayerInProcessAndroid::OnTimeUpdate(
+    base::TimeDelta current_time) {}
+
+void WebMediaPlayerInProcessAndroid::Destroy() {}
+
+}  // namespace webkit_media