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51758cfc9b
Same rg + sed shenanigans as the first patch. There were two that could fail, both due to OOM: * HTMLInputElement::AfterSetAttr: If we fail (only in the type=range case) we end up with an old value without it being clamped by min/max/step. * HTMLBodyElement::AfterSetAttr: If we fail we won't peek up the DocShell's frame margins and styling could be incorrect. That seems better than having to deal with broken states after we've already set the attribute. Depends on D176069 Differential Revision: https://phabricator.services.mozilla.com/D176070
142 lines
4.6 KiB
C++
142 lines
4.6 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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// nsIContent
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void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
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virtual void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
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const nsAttrValue* aValue,
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const nsAttrValue* aOldValue,
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nsIPrincipal* aSubjectPrincipal,
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bool aNotify) override;
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virtual void InsertChildBefore(nsIContent* aChild, nsIContent* aBeforeThis,
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bool aNotify, ErrorResult& aRv) override;
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virtual void RemoveChildNode(nsIContent* aKid, bool aNotify) override;
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// nsGenericHTMLElement
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virtual 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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virtual nsresult Clone(dom::NodeInfo*, 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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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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virtual ElementState 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
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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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virtual 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() 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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