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 RenderMedia_h 27 #define RenderMedia_h 28 29 #include "core/rendering/RenderImage.h" 30 31 namespace WebCore { 32 33 class HTMLMediaElement; 34 35 class RenderMedia : public RenderImage { 36 public: 37 explicit RenderMedia(HTMLMediaElement*); 38 RenderMedia(HTMLMediaElement*, const IntSize& intrinsicSize); 39 virtual ~RenderMedia(); 40 41 RenderObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); } 42 RenderObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); } 43 44 const RenderObjectChildList* children() const { return &m_children; } 45 RenderObjectChildList* children() { return &m_children; } 46 47 HTMLMediaElement* mediaElement() const; 48 49 protected: 50 virtual void layout(); 51 52 private: 53 virtual RenderObjectChildList* virtualChildren() OVERRIDE FINAL { return children(); } 54 virtual const RenderObjectChildList* virtualChildren() const OVERRIDE FINAL { return children(); } 55 56 // FIXME: RenderMedia::layout makes assumptions about what children are allowed 57 // so we can't support generated content. 58 virtual bool canHaveGeneratedChildren() const OVERRIDE FINAL { return false; } 59 virtual bool canHaveChildren() const OVERRIDE FINAL { return true; } 60 61 virtual const char* renderName() const { return "RenderMedia"; } 62 virtual bool isMedia() const OVERRIDE FINAL { return true; } 63 virtual bool isImage() const OVERRIDE FINAL { return false; } 64 virtual void paintReplaced(PaintInfo&, const LayoutPoint&); 65 66 virtual bool requiresForcedStyleRecalcPropagation() const OVERRIDE FINAL { return true; } 67 68 RenderObjectChildList m_children; 69 }; 70 71 inline RenderMedia* toRenderMedia(RenderObject* object) 72 { 73 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isMedia()); 74 return static_cast<RenderMedia*>(object); 75 } 76 77 // This will catch anyone doing an unnecessary cast. 78 void toRenderMedia(const RenderMedia*); 79 80 } // namespace WebCore 81 82 #endif // RenderMedia_h 83
