/* * Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #if ENABLE(MATHML) #include "RenderMathMLUnderOver.h" #include "MathMLNames.h" namespace WebCore { using namespace MathMLNames; RenderMathMLUnderOver::RenderMathMLUnderOver(Element* element) : RenderMathMLBlock(element) { // Determine what kind of under/over expression we have by element name if (element->hasLocalName(MathMLNames::munderTag)) m_kind = Under; else if (element->hasLocalName(MathMLNames::moverTag)) m_kind = Over; else { ASSERT(element->hasLocalName(MathMLNames::munderoverTag)); m_kind = UnderOver; } } RenderMathMLOperator* RenderMathMLUnderOver::unembellishedOperator() { RenderObject* base = firstChild(); if (!base || !base->isRenderMathMLBlock()) return 0; return toRenderMathMLBlock(base)->unembellishedOperator(); } int RenderMathMLUnderOver::firstLineBoxBaseline() const { RenderBox* base = firstChildBox(); if (!base) return -1; LayoutUnit baseline = base->firstLineBoxBaseline(); if (baseline != -1) baseline += base->logicalTop(); return baseline; } } #endif // ENABLE(MATHML)