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 "base/timer/timer.h" 17#include "ui/gfx/native_widget_types.h" 18 19namespace content { 20 21class BrowserMediaPlayerManager; 22class PowerSaveBlocker; 23 24// Native mirror of ContentVideoView.java. This class is responsible for 25// creating the Java video view and pass all the player status change to 26// it. It accepts media control from Java class, and forwards it to 27// MediaPlayerManagerImpl. 28class ContentVideoView { 29 public: 30 // Construct a ContentVideoView object. The |manager| will handle all the 31 // playback controls from the Java class. 32 explicit ContentVideoView(BrowserMediaPlayerManager* manager); 33 34 ~ContentVideoView(); 35 36 // To open another video on existing ContentVideoView. 37 void OpenVideo(); 38 39 static bool RegisterContentVideoView(JNIEnv* env); 40 static void KeepScreenOn(bool screen_on); 41 42 // Return the singleton object or NULL. 43 static ContentVideoView* GetInstance(); 44 45 // Getter method called by the Java class to get the media information. 46 int GetVideoWidth(JNIEnv*, jobject obj) const; 47 int GetVideoHeight(JNIEnv*, jobject obj) const; 48 int GetDurationInMilliSeconds(JNIEnv*, jobject obj) const; 49 int GetCurrentPosition(JNIEnv*, jobject obj) const; 50 bool IsPlaying(JNIEnv*, jobject obj); 51 void RequestMediaMetadata(JNIEnv*, jobject obj); 52 53 // Called when the Java fullscreen view is destroyed. If 54 // |release_media_player| is true, |manager_| needs to release the player 55 // as we are quitting the app. 56 void ExitFullscreen(JNIEnv*, jobject, jboolean release_media_player); 57 58 // Media control method called by the Java class. 59 void SeekTo(JNIEnv*, jobject obj, jint msec); 60 void Play(JNIEnv*, jobject obj); 61 void Pause(JNIEnv*, jobject obj); 62 63 // Called by the Java class to pass the surface object to the player. 64 void SetSurface(JNIEnv*, jobject obj, jobject surface); 65 66 // Method called by |manager_| to inform the Java class about player status 67 // change. 68 void UpdateMediaMetadata(); 69 void OnMediaPlayerError(int errorType); 70 void OnVideoSizeChanged(int width, int height); 71 void OnBufferingUpdate(int percent); 72 void OnPlaybackComplete(); 73 void OnExitFullscreen(); 74 75 // Functions called to record fullscreen playback UMA metrics. 76 void RecordFullscreenPlayback( 77 JNIEnv*, jobject, bool is_portrait_video, bool is_orientation_portrait); 78 void RecordExitFullscreenPlayback( 79 JNIEnv*, jobject, bool is_portrait_video, 80 long playback_duration_in_milliseconds_before_orientation_change, 81 long playback_duration_in_milliseconds_after_orientation_change); 82 83 // Return the corresponing ContentVideoView Java object if any. 84 base::android::ScopedJavaLocalRef<jobject> GetJavaObject(JNIEnv* env); 85 86 private: 87 // Creates the corresponding ContentVideoView Java object. 88 JavaObjectWeakGlobalRef CreateJavaObject(); 89 90 // Returns the associated NativeView 91 gfx::NativeView GetNativeView(); 92 93 void CreatePowerSaveBlocker(); 94 95 // Object that manages the fullscreen media player. It is responsible for 96 // handling all the playback controls. 97 BrowserMediaPlayerManager* manager_; 98 99 // PowerSaveBlock to keep screen on for fullscreen video. 100 // There is already blocker when inline video started, and it requires the 101 // ContentView's container displayed to take effect; but in WebView, apps 102 // could use another container to hold ContentVideoView, and the blocker in 103 // ContentView's container can not keep screen on; so we need another blocker 104 // here, it is no harm, just an additonal blocker. 105 scoped_ptr<PowerSaveBlocker> power_save_blocker_; 106 107 // Weak reference of corresponding Java object. 108 JavaObjectWeakGlobalRef j_content_video_view_; 109 110 // Weak pointer for posting tasks. 111 base::WeakPtrFactory<ContentVideoView> weak_factory_; 112 113 DISALLOW_COPY_AND_ASSIGN(ContentVideoView); 114}; 115 116} // namespace content 117 118#endif // CONTENT_BROWSER_ANDROID_CONTENT_VIDEO_VIEW_H_ 119