1/* 2 * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef MediaPlayer_h 27#define MediaPlayer_h 28 29#include "public/platform/WebMediaPlayer.h" 30#include "wtf/Forward.h" 31#include "wtf/Noncopyable.h" 32 33namespace blink { 34 35class AudioSourceProvider; 36class KURL; 37class MediaPlayer; 38class WebInbandTextTrack; 39class WebLayer; 40class WebMediaSource; 41 42class MediaPlayerClient { 43public: 44 virtual ~MediaPlayerClient() { } 45 46 // the network state has changed 47 virtual void mediaPlayerNetworkStateChanged() = 0; 48 49 // the ready state has changed 50 virtual void mediaPlayerReadyStateChanged() = 0; 51 52 // time has jumped, eg. not as a result of normal playback 53 virtual void mediaPlayerTimeChanged() = 0; 54 55 // the media file duration has changed, or is now known 56 virtual void mediaPlayerDurationChanged() = 0; 57 58 // the play/pause status changed 59 virtual void mediaPlayerPlaybackStateChanged() = 0; 60 61 virtual void mediaPlayerRequestFullscreen() = 0; 62 63 virtual void mediaPlayerRequestSeek(double) = 0; 64 65 // The URL for video poster image. 66 // FIXME: Remove this when WebMediaPlayerClientImpl::loadInternal does not depend on it. 67 virtual KURL mediaPlayerPosterURL() = 0; 68 69// Presentation-related methods 70 // a new frame of video is available 71 virtual void mediaPlayerRepaint() = 0; 72 73 // the movie size has changed 74 virtual void mediaPlayerSizeChanged() = 0; 75 76 virtual void mediaPlayerSetWebLayer(WebLayer*) = 0; 77 78 virtual void mediaPlayerDidAddTextTrack(WebInbandTextTrack*) = 0; 79 virtual void mediaPlayerDidRemoveTextTrack(WebInbandTextTrack*) = 0; 80 81 virtual void mediaPlayerMediaSourceOpened(WebMediaSource*) = 0; 82}; 83 84typedef PassOwnPtr<MediaPlayer> (*CreateMediaEnginePlayer)(MediaPlayerClient*); 85 86class PLATFORM_EXPORT MediaPlayer { 87 WTF_MAKE_NONCOPYABLE(MediaPlayer); 88public: 89 static PassOwnPtr<MediaPlayer> create(MediaPlayerClient*); 90 static void setMediaEngineCreateFunction(CreateMediaEnginePlayer); 91 92 static double invalidTime() { return -1.0; } 93 94 MediaPlayer() { } 95 virtual ~MediaPlayer() { } 96 97 virtual void load(WebMediaPlayer::LoadType, const String& url, WebMediaPlayer::CORSMode) = 0; 98 99 enum Preload { None, MetaData, Auto }; 100 virtual void setPreload(Preload) = 0; 101 102#if ENABLE(WEB_AUDIO) 103 virtual AudioSourceProvider* audioSourceProvider() = 0; 104#endif 105 virtual WebMediaPlayer* webMediaPlayer() const = 0; 106}; 107 108} // namespace blink 109 110#endif // MediaPlayer_h 111