Source/WebCore/css/CSSToLengthConversionData.cpp

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#include "config.h"
#include "CSSToLengthConversionData.h"

#include "FloatSize.h"
#include "RenderStyle.h"
#include "RenderView.h"

namespace WebCore {

float CSSToLengthConversionData::zoom() const
{
    if (!m_zoom)
        return m_style ? m_style->effectiveZoom() : 1;
    return *m_zoom;
}

FloatSize CSSToLengthConversionData::defaultViewportFactor() const
{
    if (m_viewportDependencyDetectionStyle)
        m_viewportDependencyDetectionStyle->setHasViewportUnits();

    if (!m_renderView)
        return { };

    return m_renderView->sizeForCSSDefaultViewportUnits() / 100.0;
}

FloatSize CSSToLengthConversionData::smallViewportFactor() const
{
    if (m_viewportDependencyDetectionStyle)
        m_viewportDependencyDetectionStyle->setHasViewportUnits();

    if (!m_renderView)
        return { };

    return m_renderView->sizeForCSSSmallViewportUnits() / 100.0;
}

FloatSize CSSToLengthConversionData::largeViewportFactor() const
{
    if (m_viewportDependencyDetectionStyle)
        m_viewportDependencyDetectionStyle->setHasViewportUnits();

    if (!m_renderView)
        return { };

    return m_renderView->sizeForCSSLargeViewportUnits() / 100.0;
}

FloatSize CSSToLengthConversionData::dynamicViewportFactor() const
{
    if (m_viewportDependencyDetectionStyle)
        m_viewportDependencyDetectionStyle->setHasViewportUnits();

    if (!m_renderView)
        return { };

    return m_renderView->sizeForCSSDynamicViewportUnits() / 100.0;
}

} // namespace WebCore