WebCore/MediaPlayerPrivateQTKit.h

   1 /*
   2  * Copyright (C) 2007, 2008, 2009 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 MediaPlayerPrivateQTKit_h
  27 #define MediaPlayerPrivateQTKit_h
  28
  29 #if ENABLE(VIDEO)
  30
  31 #include "MediaPlayerPrivate.h"
  32 #include "Timer.h"
  33 #include <wtf/RetainPtr.h>
  34
  35 #ifdef __OBJC__
  36 #import <QTKit/QTTime.h>
  37 @class QTMovie;
  38 @class QTMovieView;
  39 @class QTVideoRendererWebKitOnly;
  40 @class WebCoreMovieObserver;
  41 #else
  42 class QTMovie;
  43 class QTMovieView;
  44 class QTTime;
  45 class QTVideoRendererWebKitOnly;
  46 class WebCoreMovieObserver;
  47 #endif
  48
  49 #ifndef DRAW_FRAME_RATE
  50 #define DRAW_FRAME_RATE 0
  51 #endif
  52
  53 namespace WebCore {
  54
  55 class MediaPlayerPrivate : public MediaPlayerPrivateInterface {
  56 public:
  57     static void registerMediaEngine(MediaEngineRegistrar);
  58
  59     ~MediaPlayerPrivate();
  60
  61     void repaint();
  62     void loadStateChanged();
  63     void rateChanged();
  64     void sizeChanged();
  65     void timeChanged();
  66     void didEnd();
  67
  68 private:
  69     MediaPlayerPrivate(MediaPlayer*);
  70
  71     // engine support
  72     static MediaPlayerPrivateInterface* MediaPlayerPrivate::create(MediaPlayer* player);
  73     static void getSupportedTypes(HashSet<String>& types);
  74     static MediaPlayer::SupportsType supportsType(const String& type, const String& codecs);
  75     static bool isAvailable();
  76
  77     IntSize naturalSize() const;
  78     bool hasVideo() const;
  79
  80     void load(const String& url);
  81     void cancelLoad();
  82
  83     void play();
  84     void pause();
  85
  86     bool paused() const;
  87     bool seeking() const;
  88
  89     float duration() const;
  90     float currentTime() const;
  91     void seek(float time);
  92
  93     void setRate(float);
  94     void setVolume(float);
  95
  96     void setEndTime(float time);
  97
  98     int dataRate() const;
  99
 100     MediaPlayer::NetworkState networkState() const { return m_networkState; }
 101     MediaPlayer::ReadyState readyState() const { return m_readyState; }
 102
 103     float maxTimeBuffered() const;
 104     float maxTimeSeekable() const;
 105     unsigned bytesLoaded() const;
 106     bool totalBytesKnown() const;
 107     unsigned totalBytes() const;
 108
 109     void setVisible(bool);
 110     void setSize(const IntSize&);
 111
 112     void paint(GraphicsContext*, const IntRect&);
 113
 114     void createQTMovie(const String& url);
 115     void setUpVideoRendering();
 116     void tearDownVideoRendering();
 117     void createQTMovieView();
 118     void detachQTMovieView();
 119     void createQTVideoRenderer();
 120     void destroyQTVideoRenderer();
 121     QTTime createQTTime(float time) const;
 122
 123     void updateStates();
 124     void doSeek();
 125     void cancelSeek();
 126     void seekTimerFired(Timer<MediaPlayerPrivate>*);
 127     float maxTimeLoaded() const;
 128     void disableUnsupportedTracks();
 129
 130     bool metaDataAvailable() const { return m_qtMovie && m_readyState >= MediaPlayer::HaveMetadata; }
 131
 132     MediaPlayer* m_player;
 133     RetainPtr<QTMovie> m_qtMovie;
 134     RetainPtr<QTMovieView> m_qtMovieView;
 135     RetainPtr<QTVideoRendererWebKitOnly> m_qtVideoRenderer;
 136     RetainPtr<WebCoreMovieObserver> m_objcObserver;
 137     float m_seekTo;
 138     Timer<MediaPlayerPrivate> m_seekTimer;
 139     MediaPlayer::NetworkState m_networkState;
 140     MediaPlayer::ReadyState m_readyState;
 141     bool m_startedPlaying;
 142     bool m_isStreaming;
 143     bool m_visible;
 144     IntRect m_rect;
 145     unsigned m_enabledTrackCount;
 146     float m_duration;
 147 #if DRAW_FRAME_RATE
 148     int  m_frameCountWhilePlaying;
 149     double m_timeStartedPlaying;
 150     double m_timeStoppedPlaying;
 151 #endif
 152 };
 153
 154 }
 155
 156 #endif
 157 #endif