зеркало из https://github.com/mozilla/gecko-dev.git
91 строка
2.5 KiB
C++
91 строка
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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/**
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* Declaration of HTML <label> elements.
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*/
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#ifndef HTMLLabelElement_h
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#define HTMLLabelElement_h
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#include "mozilla/Attributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsIDOMHTMLLabelElement.h"
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namespace mozilla {
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class EventChainPostVisitor;
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namespace dom {
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class HTMLLabelElement final : public nsGenericHTMLFormElement,
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public nsIDOMHTMLLabelElement
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{
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public:
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explicit HTMLLabelElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
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: nsGenericHTMLFormElement(aNodeInfo),
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mHandlingEvent(false)
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{
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}
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NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLLabelElement, label)
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// Element
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virtual bool IsInteractiveHTMLContent(bool aIgnoreTabindex) const override
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{
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return true;
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}
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// nsIDOMHTMLLabelElement
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NS_DECL_NSIDOMHTMLLABELELEMENT
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using nsGenericHTMLFormElement::GetForm;
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void GetHtmlFor(nsString& aHtmlFor)
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{
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GetHTMLAttr(nsGkAtoms::_for, aHtmlFor);
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}
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void SetHtmlFor(const nsAString& aHtmlFor, ErrorResult& aError)
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{
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SetHTMLAttr(nsGkAtoms::_for, aHtmlFor, aError);
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}
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nsGenericHTMLElement* GetControl() const
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{
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return GetLabeledElement();
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}
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using nsGenericHTMLElement::Focus;
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virtual void Focus(mozilla::ErrorResult& aError) override;
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// nsIFormControl
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NS_IMETHOD_(uint32_t) GetType() const override { return NS_FORM_LABEL; }
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NS_IMETHOD Reset() override;
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NS_IMETHOD SubmitNamesValues(nsFormSubmission* aFormSubmission) override;
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virtual bool IsDisabled() const override { return false; }
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// nsIContent
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virtual nsresult PostHandleEvent(
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EventChainPostVisitor& aVisitor) override;
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virtual void PerformAccesskey(bool aKeyCausesActivation,
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bool aIsTrustedEvent) override;
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
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nsGenericHTMLElement* GetLabeledElement() const;
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protected:
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virtual ~HTMLLabelElement();
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virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
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nsGenericHTMLElement* GetFirstLabelableDescendant() const;
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// XXX It would be nice if we could use an event flag instead.
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bool mHandlingEvent;
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};
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} // namespace dom
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} // namespace mozilla
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#endif /* HTMLLabelElement_h */
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