зеркало из https://github.com/mozilla/gecko-dev.git
100 строки
3.1 KiB
C++
100 строки
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_HTMLMeterElement_h
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#define mozilla_dom_HTMLMeterElement_h
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#include "mozilla/Attributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsAttrValue.h"
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#include "nsAttrValueInlines.h"
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#include "nsAlgorithm.h"
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#include <algorithm>
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namespace mozilla::dom {
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class HTMLMeterElement final : public nsGenericHTMLElement {
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public:
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explicit HTMLMeterElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
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const nsAString& aValue,
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nsIPrincipal* aMaybeScriptedPrincipal,
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nsAttrValue& aResult) override;
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void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
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const nsAttrValue* aValue, const nsAttrValue* aOldValue,
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nsIPrincipal* aSubjectPrincipal, bool aNotify) override;
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// WebIDL
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/* @return the value */
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double Value() const;
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/* Returns the percentage that this element should be filed based on the
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* min/max/value */
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double Position() const;
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void SetValue(double aValue, ErrorResult& aRv) {
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SetDoubleAttr(nsGkAtoms::value, aValue, aRv);
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}
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/* @return the minimum value */
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double Min() const;
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void SetMin(double aValue, ErrorResult& aRv) {
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SetDoubleAttr(nsGkAtoms::min, aValue, aRv);
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}
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/* @return the maximum value */
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double Max() const;
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void SetMax(double aValue, ErrorResult& aRv) {
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SetDoubleAttr(nsGkAtoms::max, aValue, aRv);
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}
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/* @return the low value */
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double Low() const;
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void SetLow(double aValue, ErrorResult& aRv) {
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SetDoubleAttr(nsGkAtoms::low, aValue, aRv);
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}
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/* @return the high value */
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double High() const;
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void SetHigh(double aValue, ErrorResult& aRv) {
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SetDoubleAttr(nsGkAtoms::high, aValue, aRv);
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}
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/* @return the optimum value */
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double Optimum() const;
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void SetOptimum(double aValue, ErrorResult& aRv) {
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SetDoubleAttr(nsGkAtoms::optimum, aValue, aRv);
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}
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NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLMeterElement, meter);
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protected:
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virtual ~HTMLMeterElement();
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JSObject* WrapNode(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
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private:
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/**
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* Returns the optimum state of the element.
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* ElementState::OPTIMUM if the actual value is in the optimum region.
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* ElementState::SUB_OPTIMUM if the actual value is in the sub-optimal
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* region.
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* ElementState::SUB_SUB_OPTIMUM if the actual value is in the
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* sub-sub-optimal region.
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*
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* @return the optimum state of the element.
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*/
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ElementState GetOptimumState() const;
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void UpdateOptimumState(bool aNotify);
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_HTMLMeterElement_h
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