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 #if ENABLE(VIDEO) 30 31 #include "RenderMedia.h" 32 33 namespace WebCore { 34 35 class HTMLMediaElement; 36 class HTMLVideoElement; 37 #if USE(ACCELERATED_COMPOSITING) 38 class GraphicsLayer; 39 #endif 40 41 class RenderVideo : public RenderMedia { 42 public: 43 RenderVideo(HTMLVideoElement*); 44 virtual ~RenderVideo(); 45 46 void videoSizeChanged(); 47 IntRect videoBox() const; 48 49 #if USE(ACCELERATED_COMPOSITING) 50 bool supportsAcceleratedRendering() const; 51 void acceleratedRenderingStateChanged(); 52 GraphicsLayer* videoGraphicsLayer() const; 53 #endif 54 55 private: 56 virtual void updateFromElement(); 57 inline HTMLVideoElement* videoElement() const; 58 59 virtual void intrinsicSizeChanged(); 60 virtual void imageChanged(WrappedImagePtr, const IntRect*); 61 62 virtual const char* renderName() const { return "RenderVideo"; } 63 64 virtual bool requiresLayer() const { return true; } 65 virtual bool isVideo() const { return true; } 66 67 virtual void paintReplaced(PaintInfo&, int tx, int ty); 68 69 virtual void layout(); 70 71 virtual int calcReplacedWidth(bool includeMaxWidth = true) const; 72 virtual int calcReplacedHeight() const; 73 virtual int minimumReplacedHeight() const; 74 75 int calcAspectRatioWidth() const; 76 int calcAspectRatioHeight() const; 77 78 void updatePlayer(); 79 80 IntSize m_cachedImageSize; 81 }; 82 83 inline RenderVideo* toRenderVideo(RenderObject* object) 84 { 85 ASSERT(!object || object->isVideo()); 86 return static_cast<RenderVideo*>(object); 87 } 88 89 // This will catch anyone doing an unnecessary cast. 90 void toRenderVideo(const RenderVideo*); 91 92 } // namespace WebCore 93 94 #endif 95 #endif // RenderVideo_h 96