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      1 /*
      2  * Copyright (C) 2007, 2008, 2009, 2010 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 HTMLVideoElement_h
     27 #define HTMLVideoElement_h
     28 
     29 #if ENABLE(VIDEO)
     30 
     31 #include "HTMLMediaElement.h"
     32 #include <wtf/OwnPtr.h>
     33 
     34 namespace WebCore {
     35 
     36 class HTMLImageLoader;
     37 
     38 class HTMLVideoElement : public HTMLMediaElement {
     39 public:
     40     HTMLVideoElement(const QualifiedName&, Document*);
     41 
     42     virtual int tagPriority() const { return 5; }
     43     virtual bool rendererIsNeeded(RenderStyle*);
     44 #if !ENABLE(PLUGIN_PROXY_FOR_VIDEO)
     45     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
     46 #endif
     47     virtual void attach();
     48     virtual void detach();
     49     virtual void parseMappedAttribute(MappedAttribute* attr);
     50     virtual bool isVideo() const { return true; }
     51     virtual bool hasVideo() const { return player() && player()->hasVideo(); }
     52     virtual bool supportsFullscreen() const;
     53     virtual bool isURLAttribute(Attribute*) const;
     54     virtual const QualifiedName& imageSourceAttributeName() const;
     55 
     56     unsigned width() const;
     57     void setWidth(unsigned);
     58     unsigned height() const;
     59     void setHeight(unsigned);
     60 
     61     unsigned videoWidth() const;
     62     unsigned videoHeight() const;
     63 
     64     const KURL& poster() const { return m_posterURL; }
     65     void setPoster(const String&);
     66 
     67 // fullscreen
     68     void webkitEnterFullScreen(bool isUserGesture, ExceptionCode&);
     69     void webkitExitFullScreen();
     70     bool webkitSupportsFullscreen();
     71     bool webkitDisplayingFullscreen();
     72 
     73     void updatePosterImage();
     74     bool shouldDisplayPosterImage() const { return m_shouldDisplayPosterImage; }
     75 
     76     void paint(GraphicsContext*, const IntRect&);
     77     // Used by canvas to gain raw pixel access
     78     void paintCurrentFrameInContext(GraphicsContext*, const IntRect&);
     79 
     80 private:
     81     virtual bool hasAvailableVideoFrame() const;
     82 
     83     OwnPtr<HTMLImageLoader> m_imageLoader;
     84     KURL m_posterURL;
     85     bool m_shouldDisplayPosterImage;
     86 };
     87 
     88 } //namespace
     89 
     90 #endif
     91 #endif
     92