MeterShadowElement.cpp [plain text]
#include "config.h"
#if ENABLE(METER_ELEMENT)
#include "MeterShadowElement.h"
#include "CSSPropertyNames.h"
#include "HTMLMeterElement.h"
#include "HTMLNames.h"
#include "RenderMeter.h"
#include "RenderTheme.h"
#include "ShadowRoot.h"
#include "StylePropertySet.h"
namespace WebCore {
using namespace HTMLNames;
MeterShadowElement::MeterShadowElement(Document* document)
: HTMLDivElement(HTMLNames::divTag, document)
{
}
HTMLMeterElement* MeterShadowElement::meterElement() const
{
return toHTMLMeterElement(shadowHost());
}
bool MeterShadowElement::rendererIsNeeded(const NodeRenderingContext& context)
{
RenderObject* render = meterElement()->renderer();
return render && !render->theme()->supportsMeter(render->style()->appearance()) && HTMLDivElement::rendererIsNeeded(context);
}
MeterInnerElement::MeterInnerElement(Document* document)
: MeterShadowElement(document)
{
DEFINE_STATIC_LOCAL(AtomicString, pseudoId, ("-webkit-meter-inner-element", AtomicString::ConstructFromLiteral));
setPseudo(pseudoId);
}
bool MeterInnerElement::rendererIsNeeded(const NodeRenderingContext& context)
{
if (meterElement()->hasAuthorShadowRoot())
return HTMLDivElement::rendererIsNeeded(context);
RenderObject* render = meterElement()->renderer();
return render && !render->theme()->supportsMeter(render->style()->appearance()) && HTMLDivElement::rendererIsNeeded(context);
}
RenderObject* MeterInnerElement::createRenderer(RenderArena* arena, RenderStyle*)
{
return new (arena) RenderMeter(this);
}
const AtomicString& MeterValueElement::valuePseudoId() const
{
DEFINE_STATIC_LOCAL(AtomicString, optimumPseudoId, ("-webkit-meter-optimum-value", AtomicString::ConstructFromLiteral));
DEFINE_STATIC_LOCAL(AtomicString, suboptimumPseudoId, ("-webkit-meter-suboptimum-value", AtomicString::ConstructFromLiteral));
DEFINE_STATIC_LOCAL(AtomicString, evenLessGoodPseudoId, ("-webkit-meter-even-less-good-value", AtomicString::ConstructFromLiteral));
HTMLMeterElement* meter = meterElement();
if (!meter)
return optimumPseudoId;
switch (meter->gaugeRegion()) {
case HTMLMeterElement::GaugeRegionOptimum:
return optimumPseudoId;
case HTMLMeterElement::GaugeRegionSuboptimal:
return suboptimumPseudoId;
case HTMLMeterElement::GaugeRegionEvenLessGood:
return evenLessGoodPseudoId;
default:
ASSERT_NOT_REACHED();
return optimumPseudoId;
}
}
void MeterValueElement::setWidthPercentage(double width)
{
setInlineStyleProperty(CSSPropertyWidth, width, CSSPrimitiveValue::CSS_PERCENTAGE);
}
}
#endif