1 /* 2 * Copyright (C) 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 RenderIFrame_h 27 #define RenderIFrame_h 28 29 #include "RenderFrameBase.h" 30 31 namespace WebCore { 32 33 class RenderIFrame : public RenderFrameBase { 34 public: 35 explicit RenderIFrame(Element*); 36 37 private: 38 virtual void computeLogicalHeight(); 39 virtual void computeLogicalWidth(); 40 41 virtual void layout(); 42 43 virtual bool isRenderIFrame() const { return true; } 44 45 virtual const char* renderName() const { return "RenderPartObject"; } // Lying for now to avoid breaking tests 46 47 bool flattenFrame(); 48 49 }; 50 51 inline RenderIFrame* toRenderIFrame(RenderObject* object) 52 { 53 ASSERT(!object || object->isRenderIFrame()); 54 return static_cast<RenderIFrame*>(object); 55 } 56 57 inline const RenderIFrame* toRenderIFrame(const RenderObject* object) 58 { 59 ASSERT(!object || object->isRenderIFrame()); 60 return static_cast<const RenderIFrame*>(object); 61 } 62 63 // This will catch anyone doing an unnecessary cast. 64 void toRenderIFrame(const RenderIFrame*); 65 66 67 } // namespace WebCore 68 69 #endif // RenderIFrame_h 70