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   bool IsPlaying(JNIEnv*, jobject obj);
  45   void RequestMediaMetadata(JNIEnv*, jobject obj);
  46
  47   // Called when the Java fullscreen view is destroyed. If
  48   // |release_media_player| is true, |manager_| needs to release the player
  49   // as we are quitting the app.
  50   void ExitFullscreen(JNIEnv*, jobject, jboolean release_media_player);
  51
  52   // Called by the Java class to pass the surface object to the player.
  53   void SetSurface(JNIEnv*, jobject obj, jobject surface);
  54
  55   // Method called by |manager_| to inform the Java class about player status
  56   // change.
  57   void UpdateMediaMetadata();
  58   void OnMediaPlayerError(int errorType);
  59   void OnVideoSizeChanged(int width, int height);
  60   void OnBufferingUpdate(int percent);
  61   void OnPlaybackComplete();
  62   void OnExitFullscreen();
  63
  64   // Functions called to record fullscreen playback UMA metrics.
  65   void RecordFullscreenPlayback(
  66       JNIEnv*, jobject, bool is_portrait_video, bool is_orientation_portrait);
  67   void RecordExitFullscreenPlayback(
  68       JNIEnv*, jobject, bool is_portrait_video,
  69       long playback_duration_in_milliseconds_before_orientation_change,
  70       long playback_duration_in_milliseconds_after_orientation_change);
  71
  72   // Return the corresponing ContentVideoView Java object if any.
  73   base::android::ScopedJavaLocalRef<jobject> GetJavaObject(JNIEnv* env);
  74
  75  private:
  76   // Creates the corresponding ContentVideoView Java object.
  77   JavaObjectWeakGlobalRef CreateJavaObject();
  78
  79   // Object that manages the fullscreen media player. It is responsible for
  80   // handling all the playback controls.
  81   BrowserMediaPlayerManager* manager_;
  82
  83   // Weak reference of corresponding Java object.
  84   JavaObjectWeakGlobalRef j_content_video_view_;
  85
  86   // Weak pointer for posting tasks.
  87   base::WeakPtrFactory<ContentVideoView> weak_factory_;
  88
  89   DISALLOW_COPY_AND_ASSIGN(ContentVideoView);
  90 };
  91
  92 } // namespace content
  93
  94 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIDEO_VIEW_H_