1 /* 2 * Copyright (C) 2009 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef RenderRubyRun_h 32 #define RenderRubyRun_h 33 34 #include "core/rendering/RenderBlock.h" 35 36 namespace WebCore { 37 38 class RenderRubyBase; 39 class RenderRubyText; 40 41 // RenderRubyRun are 'inline-block/table' like objects,and wrap a single pairing of a ruby base with its ruby text(s). 42 // See RenderRuby.h for further comments on the structure 43 44 class RenderRubyRun FINAL : public RenderBlock { 45 public: 46 virtual ~RenderRubyRun(); 47 48 bool hasRubyText() const; 49 bool hasRubyBase() const; 50 bool isEmpty() const; 51 RenderRubyText* rubyText() const; 52 RenderRubyBase* rubyBase() const; 53 RenderRubyBase* rubyBaseSafe(); // creates the base if it doesn't already exist 54 55 virtual RenderObject* layoutSpecialExcludedChild(bool relayoutChildren); 56 virtual void layout(); 57 58 virtual bool isChildAllowed(RenderObject*, RenderStyle*) const; 59 virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0); 60 virtual void removeChild(RenderObject* child); 61 62 virtual RenderBlock* firstLineBlock() const; 63 virtual void updateFirstLetter(); 64 65 void getOverhang(bool firstLine, RenderObject* startRenderer, RenderObject* endRenderer, int& startOverhang, int& endOverhang) const; 66 67 static RenderRubyRun* staticCreateRubyRun(const RenderObject* parentRuby); 68 69 protected: 70 RenderRubyBase* createRubyBase() const; 71 72 private: 73 RenderRubyRun(); 74 75 virtual bool isRubyRun() const { return true; } 76 virtual const char* renderName() const { return "RenderRubyRun (anonymous)"; } 77 virtual bool createsAnonymousWrapper() const { return true; } 78 virtual void removeLeftoverAnonymousBlock(RenderBlock*) { } 79 }; 80 81 inline RenderRubyRun* toRenderRubyRun(RenderObject* object) 82 { 83 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isRubyRun()); 84 return static_cast<RenderRubyRun*>(object); 85 } 86 87 inline const RenderRubyRun* toRenderRubyRun(const RenderObject* object) 88 { 89 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isBox()); 90 return static_cast<const RenderRubyRun*>(object); 91 } 92 93 void toRenderRubyRun(const RenderRubyRun*); 94 95 } // namespace WebCore 96 97 #endif // RenderRubyRun_h 98
