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_helper.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/timer/timer.h" 16 #include "ui/gfx/native_widget_types.h" 17 18 namespace content { 19 20 class BrowserMediaPlayerManager; 21 class PowerSaveBlocker; 22 23 // Native mirror of ContentVideoView.java. This class is responsible for 24 // creating the Java video view and pass all the player status change to 25 // it. It accepts media control from Java class, and forwards it to 26 // MediaPlayerManagerImpl. 27 class ContentVideoView { 28 public: 29 // Construct a ContentVideoView object. The |manager| will handle all the 30 // playback controls from the Java class. 31 ContentVideoView( 32 const base::android::ScopedJavaLocalRef<jobject>& context, 33 const base::android::ScopedJavaLocalRef<jobject>& client, 34 BrowserMediaPlayerManager* manager); 35 36 ~ContentVideoView(); 37 38 // To open another video on existing ContentVideoView. 39 void OpenVideo(); 40 41 static bool RegisterContentVideoView(JNIEnv* env); 42 static void KeepScreenOn(bool screen_on); 43 44 // Return true if there is existing ContentVideoView object. 45 static bool HasContentVideoView(); 46 47 // Getter method called by the Java class to get the media information. 48 int GetVideoWidth(JNIEnv*, jobject obj) const; 49 int GetVideoHeight(JNIEnv*, jobject obj) const; 50 int GetDurationInMilliSeconds(JNIEnv*, jobject obj) const; 51 int GetCurrentPosition(JNIEnv*, jobject obj) const; 52 bool IsPlaying(JNIEnv*, jobject obj); 53 void UpdateMediaMetadata(JNIEnv*, jobject obj); 54 55 // Called when the Java fullscreen view is destroyed. If 56 // |release_media_player| is true, |manager_| needs to release the player 57 // as we are quitting the app. 58 void ExitFullscreen(JNIEnv*, jobject, jboolean release_media_player); 59 60 // Media control method called by the Java class. 61 void SeekTo(JNIEnv*, jobject obj, jint msec); 62 void Play(JNIEnv*, jobject obj); 63 void Pause(JNIEnv*, jobject obj); 64 65 // Called by the Java class to pass the surface object to the player. 66 void SetSurface(JNIEnv*, jobject obj, jobject surface); 67 68 // Method called by |manager_| to inform the Java class about player status 69 // change. 70 void UpdateMediaMetadata(); 71 void OnMediaPlayerError(int errorType); 72 void OnVideoSizeChanged(int width, int height); 73 void OnBufferingUpdate(int percent); 74 void OnPlaybackComplete(); 75 void OnExitFullscreen(); 76 77 // Return the corresponing ContentVideoView Java object if any. 78 base::android::ScopedJavaLocalRef<jobject> GetJavaObject(JNIEnv* env); 79 80 private: 81 // Destroy the |j_content_video_view_|. If |native_view_destroyed| is true, 82 // no further calls to the native object is allowed. 83 void DestroyContentVideoView(bool native_view_destroyed); 84 85 // Returns the associated NativeView 86 gfx::NativeView GetNativeView(); 87 88 void CreatePowerSaveBlocker(); 89 90 // Object that manages the fullscreen media player. It is responsible for 91 // handling all the playback controls. 92 BrowserMediaPlayerManager* manager_; 93 94 // PowerSaveBlock to keep screen on for fullscreen video. 95 // There is already blocker when inline video started, and it requires the 96 // ContentView's container displayed to take effect; but in WebView, apps 97 // could use another container to hold ContentVideoView, and the blocker in 98 // ContentView's container can not keep screen on; so we need another blocker 99 // here, it is no harm, just an additonal blocker. 100 scoped_ptr<PowerSaveBlocker> power_save_blocker_; 101 102 // Weak reference of corresponding Java object. 103 JavaObjectWeakGlobalRef j_content_video_view_; 104 105 DISALLOW_COPY_AND_ASSIGN(ContentVideoView); 106 }; 107 108 } // namespace content 109 110 #endif // CONTENT_BROWSER_ANDROID_CONTENT_VIDEO_VIEW_H_ 111