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chrome/browser/media/android/remote/remote_media_player_bridge.h

Index: chrome/browser/media/android/remote/remote_media_player_bridge.h
diff --git a/chrome/browser/media/android/remote/remote_media_player_bridge.h b/chrome/browser/media/android/remote/remote_media_player_bridge.h
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+// 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.
+
+#ifndef CHROME_BROWSER_MEDIA_ANDROID_REMOTE_REMOTE_MEDIA_PLAYER_BRIDGE_H_
+#define CHROME_BROWSER_MEDIA_ANDROID_REMOTE_REMOTE_MEDIA_PLAYER_BRIDGE_H_
+
+#include <jni.h>
+#include <vector>
+
+#include "base/time/time.h"
+#include "base/timer/timer.h"
+#include "media/base/android/media_player_bridge.h"
+
+class SkBitmap;
+
+// This is the version of MediaPlayerBridge that handles the remote media
+// playback.
+
+namespace remote_media {
+
+class RemoteMediaPlayerManager;
+
+class RemoteMediaPlayerBridge : public media::MediaPlayerAndroid {
+ public:
+  RemoteMediaPlayerBridge(
+      MediaPlayerAndroid* local_player,
+      const std::string& user_agent,
+      bool hide_url_log,
+      RemoteMediaPlayerManager* manager);
+  ~RemoteMediaPlayerBridge() override;
+
+  static bool RegisterRemoteMediaPlayerBridge(JNIEnv* env);
+
+  // Initialize this object.
+  virtual void Initialize();
+
+  // MediaPlayerAndroid implementation.
+  void SetVideoSurface(gfx::ScopedJavaSurface surface) override;
+  void Start() override;
+  void Pause(bool is_media_related_action) override;
+  void SeekTo(base::TimeDelta timestamp) override;
+  void Release() override;
+  void SetVolume(double volume) override;
+  int GetVideoWidth() override;
+  int GetVideoHeight() override;
+  base::TimeDelta GetCurrentTime() override;
+  base::TimeDelta GetDuration() override;
+  bool IsPlaying() override;
+  bool CanPause() override;
+  bool CanSeekForward() override;
+  bool CanSeekBackward() override;
+  bool IsPlayerReady() override;
+  GURL GetUrl() override;
+  GURL GetFirstPartyForCookies() override;
+
+  // JNI functions
+  base::android::ScopedJavaLocalRef<jstring> GetFrameUrl(
+      JNIEnv* env, jobject obj);
+  void OnPlaying(JNIEnv* env, jobject obj);
+  void OnPaused(JNIEnv* env, jobject obj);
+  void OnRouteSelected(JNIEnv* env, jobject obj, jstring castingMessage);
+  void OnRouteUnselected(JNIEnv* env, jobject obj);
+  void OnPlaybackFinished(JNIEnv* env, jobject obj);
+  void OnRouteAvailabilityChanged(JNIEnv* env, jobject obj, jboolean available);
+  base::android::ScopedJavaLocalRef<jstring> GetTitle(JNIEnv* env, jobject obj);
+
+  // Wrappers for calls to Java used by the remote media player manager
+  void RequestRemotePlayback();
+  void RequestRemotePlaybackControl();
+  void SetNativePlayer();
+  void OnPlayerCreated();
+  void OnPlayerDestroyed();
+  bool IsRemotePlaybackAvailable() const;
+  bool IsRemotePlaybackPreferredForFrame() const;
+
+  // Returns true if the we can play the media remotely
+  bool IsMediaPlayableRemotely() const;
+
+  // Gets the message to display on the embedded player while casting.
+  std::string GetCastingMessage();
+
+  // Tell the java side about the poster image for a given media.
+  void SetPosterBitmap(const std::vector<SkBitmap>& bitmaps);
+
+ protected:
+  // MediaPlayerAndroid implementation.
+  void OnVideoSizeChanged(int width, int height) override;
+  void OnPlaybackComplete() override;
+  void OnMediaInterrupted() override;
+  void OnMediaPrepared() override;
+
+ private:
+  // Functions that implements media player control.
+  void StartInternal();
+  void PauseInternal();
+  void SeekInternal(base::TimeDelta time);
+
+  // Called when |time_update_timer_| fires.
+  void OnTimeUpdateTimerFired();
+
+  // Callback function passed to |resource_getter_|. Called when the cookies
+  // are retrieved.
+  void OnCookiesRetrieved(const std::string& cookies);
+
+  void PendingSeekInternal(const base::TimeDelta& time);
+
+  // Prepare the player for playback, asynchronously. When succeeds,
+  // OnMediaPrepared() will be called. Otherwise, OnMediaError() will
+  // be called with an error type.
+  void Prepare();
+
+  long start_position_millis_;
+  MediaPlayerAndroid* local_player_;
+  bool in_use_;
+  bool prepared_;
+  bool pending_play_;
+  int width_;
+  int height_;
+  base::RepeatingTimer<RemoteMediaPlayerBridge> time_update_timer_;
+  base::TimeDelta duration_;
+  bool should_seek_on_prepare_;
+  base::TimeDelta pending_seek_;
+
+  // Hide url log from media player.
+  bool hide_url_log_;
+
+  // Volume of playback.
+  double volume_;
+
+  // Url for playback.
+  GURL url_;
+
+  // First party url for cookies.
+  GURL first_party_for_cookies_;
+
+  // Cookies for |url_|.
+  std::string cookies_;
+
+  // User agent string to be used for media player.
+  const std::string user_agent_;
+
+  base::android::ScopedJavaGlobalRef<jobject> java_bridge_;
+  scoped_ptr<std::string> casting_message_;
+
+  // NOTE: Weak pointers must be invalidated before all other member variables.
+  base::WeakPtrFactory<RemoteMediaPlayerBridge> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(RemoteMediaPlayerBridge);
+};
+
+} // namespace remote_media
+
+#endif  // CHROME_BROWSER_MEDIA_ANDROID_REMOTE_REMOTE_MEDIA_PLAYER_BRIDGE_H_