зеркало из https://github.com/mozilla/gecko-dev.git
149 строки
4.6 KiB
C++
149 строки
4.6 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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#ifndef mozilla_dom_HTMLFieldSetElement_h
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#define mozilla_dom_HTMLFieldSetElement_h
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#include "mozilla/Attributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsIDOMHTMLFieldSetElement.h"
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#include "nsIConstraintValidation.h"
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#include "mozilla/dom/HTMLFormElement.h"
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#include "mozilla/dom/ValidityState.h"
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namespace mozilla {
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class EventChainPreVisitor;
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namespace dom {
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class HTMLFieldSetElement final : public nsGenericHTMLFormElement,
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public nsIDOMHTMLFieldSetElement,
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public nsIConstraintValidation
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{
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public:
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using nsGenericHTMLFormElement::GetForm;
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using nsIConstraintValidation::Validity;
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using nsIConstraintValidation::CheckValidity;
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using nsIConstraintValidation::GetValidationMessage;
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explicit HTMLFieldSetElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
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NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLFieldSetElement, fieldset)
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// nsIDOMHTMLFieldSetElement
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NS_DECL_NSIDOMHTMLFIELDSETELEMENT
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// nsIContent
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virtual nsresult PreHandleEvent(EventChainPreVisitor& aVisitor) override;
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virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
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const nsAttrValue* aValue, bool aNotify) override;
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virtual nsresult InsertChildAt(nsIContent* aChild, uint32_t aIndex,
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bool aNotify) override;
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virtual void RemoveChildAt(uint32_t aIndex, bool aNotify) override;
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// nsIFormControl
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NS_IMETHOD_(uint32_t) GetType() const override { return NS_FORM_FIELDSET; }
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NS_IMETHOD Reset() override;
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NS_IMETHOD SubmitNamesValues(nsFormSubmission* aFormSubmission) override;
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virtual bool IsDisabledForEvents(uint32_t aMessage) override;
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
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const nsIContent* GetFirstLegend() const { return mFirstLegend; }
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void AddElement(nsGenericHTMLFormElement* aElement);
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void RemoveElement(nsGenericHTMLFormElement* aElement);
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLFieldSetElement,
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nsGenericHTMLFormElement)
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// WebIDL
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bool Disabled() const
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{
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return GetBoolAttr(nsGkAtoms::disabled);
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}
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void SetDisabled(bool aValue, ErrorResult& aRv)
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{
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SetHTMLBoolAttr(nsGkAtoms::disabled, aValue, aRv);
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}
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// XPCOM GetName is OK for us
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void SetName(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
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}
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// XPCOM GetType is OK for us
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nsIHTMLCollection* Elements();
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// XPCOM WillValidate is OK for us
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// XPCOM Validity is OK for us
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// XPCOM GetValidationMessage is OK for us
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// XPCOM CheckValidity is OK for us
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// XPCOM SetCustomValidity is OK for us
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virtual EventStates IntrinsicState() const override;
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/*
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* This method will update the fieldset's validity. This method has to be
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* called by fieldset elements whenever their validity state or status regarding
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* constraint validation changes.
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*
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* @note If an element becomes barred from constraint validation, it has to
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* be considered as valid.
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*
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* @param aElementValidityState the new validity state of the element
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*/
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void UpdateValidity(bool aElementValidityState);
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protected:
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virtual ~HTMLFieldSetElement();
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virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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private:
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/**
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* Notify all elements (in mElements) that the first legend of the fieldset
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* has now changed.
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*/
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void NotifyElementsForFirstLegendChange(bool aNotify);
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// This function is used to generate the nsContentList (listed form elements).
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static bool MatchListedElements(nsIContent* aContent, int32_t aNamespaceID,
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nsIAtom* aAtom, void* aData);
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// listed form controls elements.
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nsRefPtr<nsContentList> mElements;
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// List of elements which have this fieldset as first fieldset ancestor.
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nsTArray<nsGenericHTMLFormElement*> mDependentElements;
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nsIContent* mFirstLegend;
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/**
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* Number of invalid and candidate for constraint validation
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* elements in the fieldSet the last time UpdateValidity has been called.
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*
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* @note Should only be used by UpdateValidity() and IntrinsicState()!
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*/
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int32_t mInvalidElementsCount;
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};
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} // namespace dom
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} // namespace mozilla
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#endif /* mozilla_dom_HTMLFieldSetElement_h */
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