File indexing completed on 2024-05-05 16:10:15

 /*
  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2009 Michael Howell <mhowell123@gmail.com>.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef HTMLMediaElement_h
 #define HTMLMediaElement_h
 
 #include "html_elementimpl.h"
 #include "HTMLElement.h"
 #include "ExceptionCode.h"
 #include <wtf/PassRefPtr.h>
 #include <QPointer>
 
 namespace khtml
 {
 
 class MediaError;
 class TimeRanges;
 class RenderMedia;
 class MediaPlayer;
 
 class HTMLMediaElement : public HTMLElement
 {
 public:
     HTMLMediaElement(Document *);
     virtual ~HTMLMediaElement();
 
     void attach() override;
     void close() override;
 
 //    virtual void parseAttribute(AttributeImpl *token);
     using DOM::ElementImpl::attributeChanged;
     void attributeChanged(NodeImpl::Id attrId) override;
 
     virtual bool isVideo() const
     {
         return false;
     }
 
     void scheduleLoad();
 
 // DOM API
 // error state
     PassRefPtr<MediaError> error() const;
 
 // network state
     String src() const;
     void setSrc(const String &);
     String currentSrc() const;
 
     enum NetworkState { NETWORK_EMPTY, NETWORK_IDLE, NETWORK_LOADING, NETWORK_NO_SOURCE };
     NetworkState networkState() const;
     bool autobuffer() const;
     void setAutobuffer(bool b);
     PassRefPtr<TimeRanges> buffered() const;
     void load(ExceptionCode &);
     String canPlayType(String type);
 
 // ready state
     enum ReadyState { HAVE_NOTHING, HAVE_METADATA, HAVE_CURRENT_DATA, HAVE_FUTURE_DATA, HAVE_ENOUGH_DATA };
     ReadyState readyState() const;
     bool seeking() const;
 
 // playback state
     float currentTime() const;
     void setCurrentTime(float, ExceptionCode &);
     float startTime() const;
     float duration() const;
     bool paused() const;
     float defaultPlaybackRate() const;
     void setDefaultPlaybackRate(float, ExceptionCode &);
     float playbackRate() const;
     void setPlaybackRate(float, ExceptionCode &);
     PassRefPtr<TimeRanges> played() const;
     PassRefPtr<TimeRanges> seekable() const;
     bool ended() const;
     bool autoplay() const;
     void setAutoplay(bool b);
     bool loop() const;
     void setLoop(bool b);
     void play(ExceptionCode &);
     void pause(ExceptionCode &);
 
 // controls
     bool controls() const;
     void setControls(bool);
     float volume() const;
     void setVolume(float, ExceptionCode &);
     bool muted() const;
     void setMuted(bool);
 
     String pickMedia();
 
 protected:
     void checkIfSeekNeeded();
 
     void setReadyState(ReadyState);
 
 private:
     void loadResource(String &url);
     void updateLoadState();
 
     void updateVolume();
     void updatePlayState();
     bool endedPlayback() const;
 
 protected:
     float m_defaultPlaybackRate;
     NetworkState m_networkState;
     ReadyState m_readyState;
     String m_currentSrc;
 
     RefPtr<MediaError> m_error;
 
     bool m_begun;
     bool m_loadedFirstFrame;
     bool m_autoplaying;
     bool m_autobuffer;
 
     float m_volume;
     bool m_muted;
 
     bool m_paused;
     bool m_seeking;
 
     float m_currentTimeDuringSeek;
 
     unsigned m_previousProgress;
     double m_previousProgressTime;
     bool m_sentStalledEvent;
 
     QPointer<MediaPlayer> m_player;
 };
 
 } //namespace
 
 #endif