/* * Copyright (C) 2013 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * 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. */ #ifndef CSSToLengthConversionData_h #define CSSToLengthConversionData_h #include "wtf/Assertions.h" #include "wtf/Noncopyable.h" namespace WebCore { class RenderStyle; class RenderView; class CSSToLengthConversionData { public: CSSToLengthConversionData(const RenderStyle* currStyle, const RenderStyle* rootStyle, const RenderView*, float zoom, bool computingFontSize = false); CSSToLengthConversionData(const RenderStyle* currStyle, const RenderStyle* rootStyle, const RenderView*, bool computingFontSize = false); CSSToLengthConversionData(const RenderStyle* currStyle, const RenderStyle* rootStyle, float viewportWidth, float viewportHeight, float zoom, bool computingFontSize = false); const RenderStyle& style() const { return *m_style; } const RenderStyle* rootStyle() const { return m_rootStyle; } float zoom() const; bool computingFontSize() const { return m_computingFontSize; } // Accessing these marks the style as having viewport units double viewportWidthPercent() const; double viewportHeightPercent() const; double viewportMinPercent() const; double viewportMaxPercent() const; void setStyle(const RenderStyle* style) { m_style = style; } void setRootStyle(const RenderStyle* rootStyle) { m_rootStyle = rootStyle; } CSSToLengthConversionData copyWithAdjustedZoom(float newZoom) const { return CSSToLengthConversionData(m_style, m_rootStyle, m_viewportWidth, m_viewportHeight, newZoom, m_computingFontSize); } private: const RenderStyle* m_style; const RenderStyle* m_rootStyle; float m_viewportWidth; float m_viewportHeight; float m_zoom; bool m_useEffectiveZoom; bool m_computingFontSize; }; } // namespace WebCore #endif