1 /* 2 * Copyright (C) 2010 Alex Milowski (alex (at) milowski.com). 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS 14 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 15 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 16 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 17 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 18 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 19 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY 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 RenderMathMLBlock_h 27 #define RenderMathMLBlock_h 28 29 #if ENABLE(MATHML) 30 31 #include "RenderBlock.h" 32 33 #define ENABLE_DEBUG_MATH_LAYOUT 0 34 35 namespace WebCore { 36 37 class RenderMathMLBlock : public RenderBlock { 38 public: 39 RenderMathMLBlock(Node* container); 40 virtual bool isChildAllowed(RenderObject*, RenderStyle*) const; 41 42 virtual bool isRenderMathMLBlock() const { return true; } 43 virtual bool isRenderMathMLOperator() const { return false; } 44 virtual bool isRenderMathMLRow() const { return false; } 45 virtual bool isRenderMathMLMath() const { return false; } 46 virtual bool hasBase() const { return false; } 47 virtual int nonOperatorHeight() const; 48 virtual void stretchToHeight(int height); 49 50 #if ENABLE(DEBUG_MATH_LAYOUT) 51 virtual void paint(PaintInfo&, int tx, int ty); 52 #endif 53 54 protected: 55 virtual PassRefPtr<RenderStyle> makeBlockStyle(); 56 57 }; 58 59 inline RenderMathMLBlock* toRenderMathMLBlock(RenderObject* object) 60 { 61 ASSERT(!object || object->isRenderMathMLBlock()); 62 return static_cast<RenderMathMLBlock*>(object); 63 } 64 65 inline const RenderMathMLBlock* toRenderMathMLBlock(const RenderObject* object) 66 { 67 ASSERT(!object || object->isRenderMathMLBlock()); 68 return static_cast<const RenderMathMLBlock*>(object); 69 } 70 71 } 72 73 74 #endif // ENABLE(MATHML) 75 #endif // RenderMathMLBlock_h 76
