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 "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 : public RenderBlock { 45 public: 46 RenderRubyRun(Node*); 47 virtual ~RenderRubyRun(); 48 49 bool hasRubyText() const; 50 bool hasRubyBase() const; 51 bool isEmpty() const; 52 RenderRubyText* rubyText() const; 53 RenderRubyBase* rubyBase() const; 54 RenderRubyBase* rubyBaseSafe(); // creates the base if it doesn't already exist 55 56 virtual RenderObject* layoutSpecialExcludedChild(bool relayoutChildren); 57 virtual void layout(); 58 59 virtual bool isChildAllowed(RenderObject*, RenderStyle*) const; 60 virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0); 61 virtual void removeChild(RenderObject* child); 62 63 virtual RenderBlock* firstLineBlock() const; 64 virtual void updateFirstLetter(); 65 66 void getOverhang(bool firstLine, RenderObject* startRenderer, RenderObject* endRenderer, int& startOverhang, int& endOverhang) const; 67 68 static RenderRubyRun* staticCreateRubyRun(const RenderObject* parentRuby); 69 70 protected: 71 RenderRubyBase* createRubyBase() const; 72 73 private: 74 virtual bool isRubyRun() const { return true; } 75 virtual const char* renderName() const { return "RenderRubyRun (anonymous)"; } 76 virtual bool createsAnonymousWrapper() const { return true; } 77 virtual void removeLeftoverAnonymousBlock(RenderBlock*) { } 78 }; 79 80 inline RenderRubyRun* toRenderRubyRun(RenderObject* object) 81 { 82 ASSERT(!object || object->isRubyRun()); 83 return static_cast<RenderRubyRun*>(object); 84 } 85 86 inline const RenderRubyRun* toRenderRubyRun(const RenderObject* object) 87 { 88 ASSERT(!object || object->isBox()); 89 return static_cast<const RenderRubyRun*>(object); 90 } 91 92 void toRenderRubyRun(const RenderRubyRun*); 93 94 } // namespace WebCore 95 96 #endif // RenderRubyRun_h 97
