forked from mirrors/gecko-dev
2e368fc8fb
This shares and simplifies the code significantly, and also fixes the artifacts when value is too small. Differential Revision: https://phabricator.services.mozilla.com/D103257
101 lines
3 KiB
C++
101 lines
3 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 {
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namespace 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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virtual EventStates IntrinsicState() const override;
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nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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virtual 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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// WebIDL
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/* @return the value */
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double Value() 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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virtual JSObject* WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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private:
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static const double kDefaultValue;
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static const double kDefaultMin;
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static const double kDefaultMax;
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/**
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* Returns the optimum state of the element.
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* NS_EVENT_STATE_OPTIMUM if the actual value is in the optimum region.
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* NS_EVENT_STATE_SUB_OPTIMUM if the actual value is in the sub-optimal
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* region.
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* NS_EVENT_STATE_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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EventStates GetOptimumState() const;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_HTMLMeterElement_h
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