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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at */
#ifndef mozilla_dom_HTMLMeterElement_h
#define mozilla_dom_HTMLMeterElement_h
#include "mozilla/Attributes.h"
#include "nsGenericHTMLElement.h"
#include "nsAttrValue.h"
#include "nsAttrValueInlines.h"
#include "nsAlgorithm.h"
#include <algorithm>
namespace mozilla {
namespace dom {
class HTMLMeterElement final : public nsGenericHTMLElement {
explicit HTMLMeterElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
virtual EventStates IntrinsicState() const override;
nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) override;
// WebIDL
/* @return the value */
double Value() const;
void SetValue(double aValue, ErrorResult& aRv) {
SetDoubleAttr(nsGkAtoms::value, aValue, aRv);
/* @return the minimum value */
double Min() const;
void SetMin(double aValue, ErrorResult& aRv) {
SetDoubleAttr(nsGkAtoms::min, aValue, aRv);
/* @return the maximum value */
double Max() const;
void SetMax(double aValue, ErrorResult& aRv) {
SetDoubleAttr(nsGkAtoms::max, aValue, aRv);
/* @return the low value */
double Low() const;
void SetLow(double aValue, ErrorResult& aRv) {
SetDoubleAttr(nsGkAtoms::low, aValue, aRv);
/* @return the high value */
double High() const;
void SetHigh(double aValue, ErrorResult& aRv) {
SetDoubleAttr(nsGkAtoms::high, aValue, aRv);
/* @return the optimum value */
double Optimum() const;
void SetOptimum(double aValue, ErrorResult& aRv) {
SetDoubleAttr(nsGkAtoms::optimum, aValue, aRv);
virtual ~HTMLMeterElement();
virtual JSObject* WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
static const double kDefaultValue;
static const double kDefaultMin;
static const double kDefaultMax;
* Returns the optimum state of the element.
* NS_EVENT_STATE_OPTIMUM if the actual value is in the optimum region.
* NS_EVENT_STATE_SUB_OPTIMUM if the actual value is in the sub-optimal
* region.
* NS_EVENT_STATE_SUB_SUB_OPTIMUM if the actual value is in the
* sub-sub-optimal region.
* @return the optimum state of the element.
EventStates GetOptimumState() const;
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_HTMLMeterElement_h