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 "StyleProperties.h"
namespace WebCore {
using namespace HTMLNames;
MeterShadowElement::MeterShadowElement(Document& document)
: HTMLDivElement(HTMLNames::divTag, document)
{
}
HTMLMeterElement* MeterShadowElement::meterElement() const
{
return downcast<HTMLMeterElement>(shadowHost());
}
bool MeterShadowElement::rendererIsNeeded(const RenderStyle& style)
{
auto render = meterElement()->renderer();
return render && !render->theme().supportsMeter(render->style().appearance()) && HTMLDivElement::rendererIsNeeded(style);
}
MeterInnerElement::MeterInnerElement(Document& document)
: MeterShadowElement(document)
{
static NeverDestroyed<AtomicString> pseudoId("-webkit-meter-inner-element", AtomicString::ConstructFromLiteral);
setPseudo(pseudoId);
}
bool MeterInnerElement::rendererIsNeeded(const RenderStyle& style)
{
auto render = meterElement()->renderer();
return render && !render->theme().supportsMeter(render->style().appearance()) && HTMLDivElement::rendererIsNeeded(style);
}
RenderPtr<RenderElement> MeterInnerElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
return createRenderer<RenderMeter>(*this, WTFMove(style));
}
const AtomicString& MeterValueElement::valuePseudoId() const
{
static NeverDestroyed<AtomicString> optimumPseudoId("-webkit-meter-optimum-value", AtomicString::ConstructFromLiteral);
static NeverDestroyed<AtomicString> suboptimumPseudoId("-webkit-meter-suboptimum-value", AtomicString::ConstructFromLiteral);
static NeverDestroyed<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