| /* |
| * 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 blink { |
| |
| 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 blink |
| |
| #endif |