WebCore/RenderMedia.h

   1 /*
   2  * Copyright (C) 2007, 2008 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 RenderMedia_h
  27 #define RenderMedia_h
  28
  29 #if ENABLE(VIDEO)
  30
  31 #include "RenderReplaced.h"
  32 #include "Timer.h"
  33
  34 namespace WebCore {
  35
  36 class HTMLInputElement;
  37 class HTMLMediaElement;
  38 class MediaControlMuteButtonElement;
  39 class MediaControlPlayButtonElement;
  40 class MediaControlSeekButtonElement;
  41 class MediaControlTimelineElement;
  42 class MediaControlFullscreenButtonElement;
  43 class MediaTimeDisplayElement;
  44 class MediaPlayer;
  45
  46 class RenderMedia : public RenderReplaced {
  47 public:
  48     RenderMedia(HTMLMediaElement*);
  49     RenderMedia(HTMLMediaElement*, const IntSize& intrinsicSize);
  50     virtual ~RenderMedia();
  51
  52     virtual RenderObject* firstChild() const;
  53     virtual RenderObject* lastChild() const;
  54     virtual void removeChild(RenderObject*);
  55     virtual void destroy();
  56
  57     virtual void layout();
  58
  59     virtual const char* renderName() const { return "RenderMedia"; }
  60     virtual bool isMedia() const { return true; }
  61
  62     HTMLMediaElement* mediaElement() const;
  63     MediaPlayer* player() const;
  64
  65     static String formatTime(float time);
  66
  67     void updateFromElement();
  68     void updatePlayer();
  69     void updateControls();
  70     void updateTimeDisplay();
  71
  72     void forwardEvent(Event*);
  73
  74     virtual int lowestPosition(bool includeOverflowInterior = true, bool includeSelf = true) const;
  75     virtual int rightmostPosition(bool includeOverflowInterior = true, bool includeSelf = true) const;
  76     virtual int leftmostPosition(bool includeOverflowInterior = true, bool includeSelf = true) const;
  77
  78 private:
  79     void createControlsShadowRoot();
  80     void destroyControlsShadowRoot();
  81     void createPanel();
  82     void createMuteButton();
  83     void createPlayButton();
  84     void createSeekBackButton();
  85     void createSeekForwardButton();
  86     void createTimelineContainer();
  87     void createTimeline();
  88     void createCurrentTimeDisplay();
  89     void createTimeRemainingDisplay();
  90     void createFullscreenButton();
  91
  92     void timeUpdateTimerFired(Timer<RenderMedia>*);
  93
  94     void updateControlVisibility();
  95     void changeOpacity(HTMLElement*, float opacity);
  96     void opacityAnimationTimerFired(Timer<RenderMedia>*);
  97
  98     RefPtr<HTMLElement> m_controlsShadowRoot;
  99     RefPtr<HTMLElement> m_panel;
 100     RefPtr<MediaControlMuteButtonElement> m_muteButton;
 101     RefPtr<MediaControlPlayButtonElement> m_playButton;
 102     RefPtr<MediaControlSeekButtonElement> m_seekBackButton;
 103     RefPtr<MediaControlSeekButtonElement> m_seekForwardButton;
 104     RefPtr<MediaControlTimelineElement> m_timeline;
 105     RefPtr<MediaControlFullscreenButtonElement> m_fullscreenButton;
 106     RefPtr<HTMLElement> m_timelineContainer;
 107     RefPtr<MediaTimeDisplayElement> m_currentTimeDisplay;
 108     RefPtr<MediaTimeDisplayElement> m_timeRemainingDisplay;
 109     EventTargetNode* m_lastUnderNode;
 110     EventTargetNode* m_nodeUnderMouse;
 111
 112     Timer<RenderMedia> m_timeUpdateTimer;
 113     Timer<RenderMedia> m_opacityAnimationTimer;
 114     bool m_mouseOver;
 115     double m_opacityAnimationStartTime;
 116     float m_opacityAnimationFrom;
 117     float m_opacityAnimationTo;
 118     EVisibility m_previousVisible;
 119 };
 120
 121 } // namespace WebCore
 122
 123 #endif
 124 #endif // RenderMedia_h