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      1 /*
      2  * Copyright (C) 2007, 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 RenderVideo_h
     27 #define RenderVideo_h
     28 
     29 #include "core/rendering/RenderMedia.h"
     30 
     31 namespace WebCore {
     32 
     33 class HTMLVideoElement;
     34 
     35 class RenderVideo FINAL : public RenderMedia {
     36 public:
     37     RenderVideo(HTMLVideoElement*);
     38     virtual ~RenderVideo();
     39 
     40     IntRect videoBox() const;
     41 
     42     static IntSize defaultSize();
     43 
     44     bool supportsAcceleratedRendering() const;
     45 
     46     bool shouldDisplayVideo() const;
     47 
     48 private:
     49     virtual void updateFromElement() OVERRIDE;
     50     inline HTMLVideoElement* videoElement() const;
     51 
     52     virtual void intrinsicSizeChanged() OVERRIDE;
     53     LayoutSize calculateIntrinsicSize();
     54     void updateIntrinsicSize();
     55 
     56     virtual void imageChanged(WrappedImagePtr, const IntRect*) OVERRIDE;
     57 
     58     virtual const char* renderName() const OVERRIDE { return "RenderVideo"; }
     59 
     60     virtual bool isVideo() const OVERRIDE { return true; }
     61 
     62     virtual void paintReplaced(PaintInfo&, const LayoutPoint&) OVERRIDE;
     63 
     64     virtual void layout() OVERRIDE;
     65 
     66     virtual LayoutUnit computeReplacedLogicalWidth(ShouldComputePreferred  = ComputeActual) const OVERRIDE;
     67     virtual LayoutUnit computeReplacedLogicalHeight() const OVERRIDE;
     68     virtual LayoutUnit minimumReplacedHeight() const OVERRIDE;
     69 
     70     virtual LayoutUnit offsetLeft() const OVERRIDE;
     71     virtual LayoutUnit offsetTop() const OVERRIDE;
     72     virtual LayoutUnit offsetWidth() const OVERRIDE;
     73     virtual LayoutUnit offsetHeight() const OVERRIDE;
     74 
     75     virtual CompositingReasons additionalCompositingReasons(CompositingTriggerFlags) const OVERRIDE;
     76 
     77     void updatePlayer();
     78 
     79     bool acceleratedRenderingInUse();
     80 
     81     LayoutSize m_cachedImageSize;
     82 };
     83 
     84 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderVideo, isVideo());
     85 
     86 } // namespace WebCore
     87 
     88 #endif // RenderVideo_h
     89