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/*
* 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
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