/* * Copyright (C) 2010 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 "RenderMathMLRow.h" #include "MathMLNames.h" #include "RenderMathMLOperator.h" namespace WebCore { using namespace MathMLNames; RenderMathMLRow::RenderMathMLRow(Element* element) : RenderMathMLBlock(element) { } // FIXME: Change all these createAnonymous... routines to return a PassOwnPtr<>. RenderMathMLRow* RenderMathMLRow::createAnonymousWithParentRenderer(const RenderObject* parent) { RefPtr<RenderStyle> newStyle = RenderStyle::createAnonymousStyleWithDisplay(parent->style(), FLEX); RenderMathMLRow* newMRow = new (parent->renderArena()) RenderMathMLRow(0); newMRow->setDocumentForAnonymous(parent->document()); newMRow->setStyle(newStyle.release()); return newMRow; } void RenderMathMLRow::layout() { int stretchLogicalHeight = 0; for (RenderObject* child = firstChild(); child; child = child->nextSibling()) { child->layoutIfNeeded(); // FIXME: Only skip renderMo if it is stretchy. if (child->isRenderMathMLBlock() && toRenderMathMLBlock(child)->unembellishedOperator()) continue; if (child->isBox()) stretchLogicalHeight = std::max<int>(stretchLogicalHeight, roundToInt(toRenderBox(child)->logicalHeight())); } if (!stretchLogicalHeight) stretchLogicalHeight = style()->fontSize(); // Set the sizes of (possibly embellished) stretchy operator children. for (RenderObject* child = firstChild(); child; child = child->nextSibling()) { if (child->isRenderMathMLBlock()) { if (RenderMathMLOperator* renderMo = toRenderMathMLBlock(child)->unembellishedOperator()) { if (renderMo->stretchHeight() != stretchLogicalHeight) renderMo->stretchToHeight(stretchLogicalHeight); } } } RenderMathMLBlock::layout(); } } #endif // ENABLE(MATHML)