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/*
* Copyright (C) 2011 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.
*/
#include "core/html/shadow/MeterShadowElement.h"
#include "core/CSSPropertyNames.h"
#include "core/HTMLNames.h"
#include "core/html/HTMLMeterElement.h"
#include "core/layout/LayoutMeter.h"
#include "core/layout/LayoutTheme.h"
namespace blink {
using namespace HTMLNames;
inline MeterShadowElement::MeterShadowElement(Document& document)
: HTMLDivElement(document)
{
}
HTMLMeterElement* MeterShadowElement::meterElement() const
{
return toHTMLMeterElement(shadowHost());
}
bool MeterShadowElement::layoutObjectIsNeeded(const ComputedStyle& style)
{
LayoutObject* layoutObject = meterElement()->layoutObject();
return layoutObject && !LayoutTheme::theme().supportsMeter(layoutObject->style()->appearance()) && HTMLDivElement::layoutObjectIsNeeded(style);
}
inline MeterInnerElement::MeterInnerElement(Document& document)
: MeterShadowElement(document)
{
}
PassRefPtrWillBeRawPtr<MeterInnerElement> MeterInnerElement::create(Document& document)
{
RefPtrWillBeRawPtr<MeterInnerElement> element = adoptRefWillBeNoop(new MeterInnerElement(document));
element->setShadowPseudoId(AtomicString("-webkit-meter-inner-element", AtomicString::ConstructFromLiteral));
return element.release();
}
bool MeterInnerElement::layoutObjectIsNeeded(const ComputedStyle& style)
{
if (meterElement()->openShadowRoot())
return HTMLDivElement::layoutObjectIsNeeded(style);
LayoutObject* layoutObject = meterElement()->layoutObject();
return layoutObject && !LayoutTheme::theme().supportsMeter(layoutObject->style()->appearance()) && HTMLDivElement::layoutObjectIsNeeded(style);
}
LayoutObject* MeterInnerElement::createLayoutObject(const ComputedStyle&)
{
return new LayoutMeter(this);
}
inline MeterBarElement::MeterBarElement(Document& document)
: MeterShadowElement(document)
{
}
PassRefPtrWillBeRawPtr<MeterBarElement> MeterBarElement::create(Document& document)
{
RefPtrWillBeRawPtr<MeterBarElement> element = adoptRefWillBeNoop(new MeterBarElement(document));
element->setShadowPseudoId(AtomicString("-webkit-meter-bar", AtomicString::ConstructFromLiteral));
return element.release();
}
inline MeterValueElement::MeterValueElement(Document& document)
: MeterShadowElement(document)
{
}
PassRefPtrWillBeRawPtr<MeterValueElement> MeterValueElement::create(Document& document)
{
RefPtrWillBeRawPtr<MeterValueElement> element = adoptRefWillBeNoop(new MeterValueElement(document));
element->updatePseudo();
return element.release();
}
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::UnitType::Percentage);
}
} // namespace blink