content/browser/android/content_video_view.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_ANDROID_CONTENT_VIDEO_VIEW_H_
   6 #define CONTENT_BROWSER_ANDROID_CONTENT_VIDEO_VIEW_H_
   7
   8 #include <jni.h>
   9
  10 #include "base/android/jni_weak_ref.h"
  11 #include "base/android/scoped_java_ref.h"
  12 #include "base/basictypes.h"
  13 #include "base/memory/ref_counted.h"
  14 #include "base/memory/scoped_ptr.h"
  15 #include "base/memory/weak_ptr.h"
  16 #include "ui/gfx/native_widget_types.h"
  17
  18 namespace content {
  19
  20 class BrowserMediaPlayerManager;
  21
  22 // Native mirror of ContentVideoView.java. This class is responsible for
  23 // creating the Java video view and pass all the player status change to
  24 // it. It accepts media control from Java class, and forwards it to
  25 // MediaPlayerManagerImpl.
  26 class ContentVideoView {
  27  public:
  28   // Construct a ContentVideoView object. The |manager| will handle all the
  29   // playback controls from the Java class.
  30   explicit ContentVideoView(BrowserMediaPlayerManager* manager);
  31
  32   ~ContentVideoView();
  33
  34   // To open another video on existing ContentVideoView.
  35   void OpenVideo();
  36
  37   static bool RegisterContentVideoView(JNIEnv* env);
  38   static void KeepScreenOn(bool screen_on);
  39
  40   // Return the singleton object or NULL.
  41   static ContentVideoView* GetInstance();
  42
  43   // Getter method called by the Java class to get the media information.
  44   int GetVideoWidth(JNIEnv*, jobject obj) const;
  45   int GetVideoHeight(JNIEnv*, jobject obj) const;
  46   int GetDurationInMilliSeconds(JNIEnv*, jobject obj) const;
  47   int GetCurrentPosition(JNIEnv*, jobject obj) const;
  48   bool IsPlaying(JNIEnv*, jobject obj);
  49   void RequestMediaMetadata(JNIEnv*, jobject obj);
  50
  51   // Called when the Java fullscreen view is destroyed. If
  52   // |release_media_player| is true, |manager_| needs to release the player
  53   // as we are quitting the app.
  54   void ExitFullscreen(JNIEnv*, jobject, jboolean release_media_player);
  55
  56   // Media control method called by the Java class.
  57   void SeekTo(JNIEnv*, jobject obj, jint msec);
  58   void Play(JNIEnv*, jobject obj);
  59   void Pause(JNIEnv*, jobject obj);
  60
  61   // Called by the Java class to pass the surface object to the player.
  62   void SetSurface(JNIEnv*, jobject obj, jobject surface);
  63
  64   // Method called by |manager_| to inform the Java class about player status
  65   // change.
  66   void UpdateMediaMetadata();
  67   void OnMediaPlayerError(int errorType);
  68   void OnVideoSizeChanged(int width, int height);
  69   void OnBufferingUpdate(int percent);
  70   void OnPlaybackComplete();
  71   void OnExitFullscreen();
  72
  73   // Functions called to record fullscreen playback UMA metrics.
  74   void RecordFullscreenPlayback(
  75       JNIEnv*, jobject, bool is_portrait_video, bool is_orientation_portrait);
  76   void RecordExitFullscreenPlayback(
  77       JNIEnv*, jobject, bool is_portrait_video,
  78       long playback_duration_in_milliseconds_before_orientation_change,
  79       long playback_duration_in_milliseconds_after_orientation_change);
  80
  81   // Return the corresponing ContentVideoView Java object if any.
  82   base::android::ScopedJavaLocalRef<jobject> GetJavaObject(JNIEnv* env);
  83
  84  private:
  85   // Creates the corresponding ContentVideoView Java object.
  86   JavaObjectWeakGlobalRef CreateJavaObject();
  87
  88   // Object that manages the fullscreen media player. It is responsible for
  89   // handling all the playback controls.
  90   BrowserMediaPlayerManager* manager_;
  91
  92   // Weak reference of corresponding Java object.
  93   JavaObjectWeakGlobalRef j_content_video_view_;
  94
  95   // Weak pointer for posting tasks.
  96   base::WeakPtrFactory<ContentVideoView> weak_factory_;
  97
  98   DISALLOW_COPY_AND_ASSIGN(ContentVideoView);
  99 };
 100
 101 } // namespace content
 102
 103 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIDEO_VIEW_H_