blob: 98c4c44ff9acc90dd929bc3b8847f58a0d2e1e5d [file] [log] [blame]
/*
* 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
#include "core/CoreExport.h"
#include "core/html/LabelableElement.h"
namespace blink {
class MeterValueElement;
class LayoutMeter;
class CORE_EXPORT HTMLMeterElement final : public LabelableElement {
DEFINE_WRAPPERTYPEINFO();
public:
static PassRefPtrWillBeRawPtr<HTMLMeterElement> create(Document&);
enum GaugeRegion {
GaugeRegionOptimum,
GaugeRegionSuboptimal,
GaugeRegionEvenLessGood
};
double value() const;
void setValue(double);
double min() const;
void setMin(double);
double max() const;
void setMax(double);
double low() const;
void setLow(double);
double high() const;
void setHigh(double);
double optimum() const;
void setOptimum(double);
double valueRatio() const;
GaugeRegion gaugeRegion() const;
bool canContainRangeEndPoint() const override { return false; }
DECLARE_VIRTUAL_TRACE();
private:
explicit HTMLMeterElement(Document&);
~HTMLMeterElement() override;
bool areAuthorShadowsAllowed() const override { return false; }
void willAddFirstAuthorShadowRoot() override;
LayoutMeter* layoutMeter() const;
bool supportLabels() const override { return true; }
LayoutObject* createLayoutObject(const ComputedStyle&) override;
void parseAttribute(const QualifiedName&, const AtomicString&, const AtomicString&) override;
void didElementStateChange();
void didAddUserAgentShadowRoot(ShadowRoot&) override;
RefPtrWillBeMember<MeterValueElement> m_value;
};
} // namespace blink
#endif // HTMLMeterElement_h