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 "core/rendering/RenderPart.h" 30 31 namespace WebCore { 32 33 class RenderView; 34 35 class RenderIFrame FINAL : public RenderPart { 36 public: 37 explicit RenderIFrame(Element*); 38 39 bool isSeamless() const; 40 41 private: 42 virtual LayoutUnit minPreferredLogicalWidth() const OVERRIDE; 43 virtual LayoutUnit maxPreferredLogicalWidth() const OVERRIDE; 44 45 virtual bool shouldComputeSizeAsReplaced() const OVERRIDE; 46 virtual bool isInlineBlockOrInlineTable() const OVERRIDE; 47 48 virtual void layout() OVERRIDE; 49 50 virtual bool isRenderIFrame() const OVERRIDE { return true; } 51 52 virtual const char* renderName() const OVERRIDE { return "RenderPartObject"; } // Lying for now to avoid breaking tests 53 54 virtual bool requiresLayer() const OVERRIDE; 55 56 void layoutSeamlessly(); 57 58 RenderView* contentRootRenderer() const; 59 }; 60 61 inline RenderIFrame* toRenderIFrame(RenderObject* object) 62 { 63 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isRenderIFrame()); 64 return static_cast<RenderIFrame*>(object); 65 } 66 67 inline const RenderIFrame* toRenderIFrame(const RenderObject* object) 68 { 69 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isRenderIFrame()); 70 return static_cast<const RenderIFrame*>(object); 71 } 72 73 // This will catch anyone doing an unnecessary cast. 74 void toRenderIFrame(const RenderIFrame*); 75 76 77 } // namespace WebCore 78 79 #endif // RenderIFrame_h 80