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/*
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef HTMLMeterElement_h
#define HTMLMeterElement_h
#if ENABLE(METER_ELEMENT)
#include "LabelableElement.h"
namespace WebCore {
class MeterValueElement;
class RenderMeter;
class HTMLMeterElement FINAL : public LabelableElement {
public:
static PassRefPtr<HTMLMeterElement> create(const QualifiedName&, Document*);
enum GaugeRegion {
GaugeRegionOptimum,
GaugeRegionSuboptimal,
GaugeRegionEvenLessGood
};
double min() const;
void setMin(double, ExceptionCode&);
double max() const;
void setMax(double, ExceptionCode&);
double value() const;
void setValue(double, ExceptionCode&);
double low() const;
void setLow(double, ExceptionCode&);
double high() const;
void setHigh(double, ExceptionCode&);
double optimum() const;
void setOptimum(double, ExceptionCode&);
double valueRatio() const;
GaugeRegion gaugeRegion() const;
bool canContainRangeEndPoint() const { return false; }
private:
HTMLMeterElement(const QualifiedName&, Document*);
virtual ~HTMLMeterElement();
virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; }
RenderMeter* renderMeter() const;
virtual bool supportLabels() const OVERRIDE { return true; }
virtual bool recalcWillValidate() const { return false; }
virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
virtual bool childShouldCreateRenderer(const NodeRenderingContext&) const OVERRIDE;
virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
void didElementStateChange();
virtual void didAddUserAgentShadowRoot(ShadowRoot*) OVERRIDE;
RefPtr<MeterValueElement> m_value;
};
inline bool isHTMLMeterElement(Node* node)
{
return node->hasTagName(HTMLNames::meterTag);
}
inline HTMLMeterElement* toHTMLMeterElement(Node* node)
{
ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLMeterElement(node));
return static_cast<HTMLMeterElement*>(node);
}
} // namespace
#endif
#endif
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