/* * Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved. * Copyright (C) 2016 Igalia S.L. * * 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. */ #pragma once #if ENABLE(MATHML) #include "RenderMathMLScripts.h" namespace WebCore { class RenderMathMLUnderOver final : public RenderMathMLScripts { public: RenderMathMLUnderOver(Element&, RenderStyle&&); private: bool isRenderMathMLScripts() const final { return false; } bool isRenderMathMLUnderOver() const final { return true; } const char* renderName() const final { return "RenderMathMLUnderOver"; } void computePreferredLogicalWidths() final; void layoutBlock(bool relayoutChildren, LayoutUnit pageLogicalHeight = 0) final; void computeOperatorsHorizontalStretch(); bool isValid() const; bool shouldMoveLimits(); RenderBox& base() const; RenderBox& under() const; RenderBox& over() const; LayoutUnit horizontalOffset(const RenderBox&) const; bool hasAccent(bool accentUnder = false) const; bool hasAccentUnder() const { return hasAccent(true); }; bool getVerticalParameters(LayoutUnit& underGapMin, LayoutUnit& overGapMin, LayoutUnit& underShiftMin, LayoutUnit& overShiftMin, LayoutUnit& underExtraDescender, LayoutUnit& overExtraAscender, LayoutUnit& accentBaseHeight) const; }; } SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderMathMLUnderOver, isRenderMathMLUnderOver()) #endif // ENABLE(MATHML)