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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 "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
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