diff options
Diffstat (limited to 'chromium/third_party/WebKit/Source/core/css/CSSToLengthConversionData.cpp')
-rw-r--r-- | chromium/third_party/WebKit/Source/core/css/CSSToLengthConversionData.cpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/core/css/CSSToLengthConversionData.cpp b/chromium/third_party/WebKit/Source/core/css/CSSToLengthConversionData.cpp index 6085a69892b..66583963904 100644 --- a/chromium/third_party/WebKit/Source/core/css/CSSToLengthConversionData.cpp +++ b/chromium/third_party/WebKit/Source/core/css/CSSToLengthConversionData.cpp @@ -31,10 +31,45 @@ #include "config.h" #include "core/css/CSSToLengthConversionData.h" +#include "core/rendering/RenderView.h" #include "core/rendering/style/RenderStyle.h" namespace WebCore { +CSSToLengthConversionData::CSSToLengthConversionData(const RenderStyle* style, const RenderStyle* rootStyle, const RenderView* renderView, float zoom, bool computingFontSize) + : m_style(style) + , m_rootStyle(rootStyle) + , m_viewportWidth(renderView ? renderView->layoutViewportWidth() : 0) + , m_viewportHeight(renderView ? renderView->layoutViewportHeight() : 0) + , m_zoom(zoom) + , m_useEffectiveZoom(false) + , m_computingFontSize(computingFontSize) +{ + ASSERT(zoom > 0); +} + +CSSToLengthConversionData::CSSToLengthConversionData(const RenderStyle* style, const RenderStyle* rootStyle, const RenderView* renderView, bool computingFontSize) + : m_style(style) + , m_rootStyle(rootStyle) + , m_viewportWidth(renderView ? renderView->layoutViewportWidth() : 0) + , m_viewportHeight(renderView ? renderView->layoutViewportHeight() : 0) + , m_useEffectiveZoom(true) + , m_computingFontSize(computingFontSize) +{ +} + +CSSToLengthConversionData::CSSToLengthConversionData(const RenderStyle* style, const RenderStyle* rootStyle, float viewportWidth, float viewportHeight, float zoom, bool computingFontSize) + : m_style(style) + , m_rootStyle(rootStyle) + , m_viewportWidth(viewportWidth) + , m_viewportHeight(viewportHeight) + , m_zoom(zoom) + , m_useEffectiveZoom(false) + , m_computingFontSize(computingFontSize) +{ + ASSERT(zoom > 0); +} + float CSSToLengthConversionData::zoom() const { if (m_useEffectiveZoom) @@ -42,4 +77,25 @@ float CSSToLengthConversionData::zoom() const return m_zoom; } +double CSSToLengthConversionData::viewportWidthPercent() const +{ + m_style->setHasViewportUnits(); + return m_viewportWidth / 100; +} +double CSSToLengthConversionData::viewportHeightPercent() const +{ + m_style->setHasViewportUnits(); + return m_viewportHeight / 100; +} +double CSSToLengthConversionData::viewportMinPercent() const +{ + m_style->setHasViewportUnits(); + return std::min(m_viewportWidth, m_viewportHeight) / 100; +} +double CSSToLengthConversionData::viewportMaxPercent() const +{ + m_style->setHasViewportUnits(); + return std::max(m_viewportWidth, m_viewportHeight) / 100; +} + } // namespace WebCore |