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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at */
#ifndef mozilla_dom_HTMLFieldSetElement_h
#define mozilla_dom_HTMLFieldSetElement_h
#include "mozilla/Attributes.h"
#include "nsGenericHTMLElement.h"
#include "nsIConstraintValidation.h"
#include "mozilla/dom/HTMLFormElement.h"
#include "mozilla/dom/ValidityState.h"
namespace mozilla {
class EventChainPreVisitor;
namespace dom {
class HTMLFieldSetElement final : public nsGenericHTMLFormElement,
public nsIConstraintValidation {
using nsGenericHTMLFormElement::GetForm;
using nsIConstraintValidation::GetValidationMessage;
using nsIConstraintValidation::SetCustomValidity;
explicit HTMLFieldSetElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
// nsISupports
// nsIContent
void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
nsIPrincipal* aSubjectPrincipal,
bool aNotify) override;
virtual nsresult InsertChildBefore(nsIContent* aChild,
nsIContent* aBeforeThis,
bool aNotify) override;
virtual void RemoveChildNode(nsIContent* aKid, bool aNotify) override;
// nsIFormControl
NS_IMETHOD Reset() override;
NS_IMETHOD SubmitNamesValues(HTMLFormSubmission* aFormSubmission) override;
virtual bool IsDisabledForEvents(WidgetEvent* aEvent) override;
virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
const nsIContent* GetFirstLegend() const { return mFirstLegend; }
void AddElement(nsGenericHTMLFormElement* aElement);
void RemoveElement(nsGenericHTMLFormElement* aElement);
// WebIDL
bool Disabled() const { return GetBoolAttr(nsGkAtoms::disabled); }
void SetDisabled(bool aValue, ErrorResult& aRv) {
SetHTMLBoolAttr(nsGkAtoms::disabled, aValue, aRv);
void GetName(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::name, aValue); }
void SetName(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
void GetType(nsAString& aType) const;
nsIHTMLCollection* Elements();
// XPCOM WillValidate is OK for us
// XPCOM Validity is OK for us
// XPCOM GetValidationMessage is OK for us
// XPCOM CheckValidity is OK for us
// XPCOM SetCustomValidity is OK for us
virtual EventStates IntrinsicState() const override;
* This method will update the fieldset's validity. This method has to be
* called by fieldset elements whenever their validity state or status
* regarding constraint validation changes.
* @note If an element becomes barred from constraint validation, it has to
* be considered as valid.
* @param aElementValidityState the new validity state of the element
void UpdateValidity(bool aElementValidityState);
virtual ~HTMLFieldSetElement();
virtual JSObject* WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
* Notify all elements (in mElements) that the first legend of the fieldset
* has now changed.
void NotifyElementsForFirstLegendChange(bool aNotify);
// This function is used to generate the nsContentList (listed form elements).
static bool MatchListedElements(Element* aElement, int32_t aNamespaceID,
nsAtom* aAtom, void* aData);
// listed form controls elements.
RefPtr<nsContentList> mElements;
// List of elements which have this fieldset as first fieldset ancestor.
nsTArray<nsGenericHTMLFormElement*> mDependentElements;
nsIContent* mFirstLegend;
* Number of invalid and candidate for constraint validation
* elements in the fieldSet the last time UpdateValidity has been called.
* @note Should only be used by UpdateValidity() and IntrinsicState()!
int32_t mInvalidElementsCount;
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_HTMLFieldSetElement_h */