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c27a2129fd
Add a RAII helper to notify of multiple state changes together for these. The UpdateState CustomElementInternals calls that are getting removed are unnecessary (the state should be up-to-date by then, there's nothing changing there particularly). Same for the call in nsGenericHTMLFormElement::UnbindFromTree. ClearForm already does an state update. Differential Revision: https://phabricator.services.mozilla.com/D187033
142 lines
4.4 KiB
C++
142 lines
4.4 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_HTMLFieldSetElement_h
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#define mozilla_dom_HTMLFieldSetElement_h
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/ConstraintValidation.h"
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#include "mozilla/dom/ValidityState.h"
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#include "nsGenericHTMLElement.h"
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namespace mozilla {
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class ErrorResult;
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class EventChainPreVisitor;
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namespace dom {
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class FormData;
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class HTMLFieldSetElement final : public nsGenericHTMLFormControlElement,
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public ConstraintValidation {
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public:
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using ConstraintValidation::GetValidationMessage;
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using ConstraintValidation::SetCustomValidity;
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explicit HTMLFieldSetElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLFieldSetElement, fieldset)
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// nsINode
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nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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// nsIContent
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void GetEventTargetParent(EventChainPreVisitor& aVisitor) 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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void InsertChildBefore(nsIContent* aChild, nsIContent* aBeforeThis,
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bool aNotify, ErrorResult& aRv) override;
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void RemoveChildNode(nsIContent* aKid, bool aNotify) override;
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// nsGenericHTMLElement
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bool IsDisabledForEvents(WidgetEvent* aEvent) override;
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// nsIFormControl
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NS_IMETHOD Reset() override;
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NS_IMETHOD SubmitNamesValues(FormData* aFormData) override { return NS_OK; }
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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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// nsGenericHTMLFormElement
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void UpdateDisabledState(bool aNotify) override;
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLFieldSetElement,
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nsGenericHTMLFormControlElement)
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// WebIDL
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bool Disabled() const { return GetBoolAttr(nsGkAtoms::disabled); }
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void SetDisabled(bool aValue, ErrorResult& aRv) {
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SetHTMLBoolAttr(nsGkAtoms::disabled, aValue, aRv);
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}
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void GetName(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::name, aValue); }
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void SetName(const nsAString& aValue, ErrorResult& aRv) {
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SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
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}
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void GetType(nsAString& aType) const;
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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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/*
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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
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* regarding 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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JSObject* WrapNode(JSContext* aCx,
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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(Element* aElement, int32_t aNamespaceID,
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nsAtom* aAtom, void* aData);
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// listed form controls elements.
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RefPtr<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()
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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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