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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 http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_HTMLFieldSetElement_h
#define mozilla_dom_HTMLFieldSetElement_h
#include "mozilla/Attributes.h"
#include "nsGenericHTMLElement.h"
#include "nsIDOMHTMLFieldSetElement.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 nsIDOMHTMLFieldSetElement,
public nsIConstraintValidation
{
public:
using nsGenericHTMLFormElement::GetForm;
using nsIConstraintValidation::Validity;
using nsIConstraintValidation::CheckValidity;
using nsIConstraintValidation::ReportValidity;
using nsIConstraintValidation::GetValidationMessage;
explicit HTMLFieldSetElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLFieldSetElement, fieldset)
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
// nsIDOMHTMLFieldSetElement
NS_DECL_NSIDOMHTMLFIELDSETELEMENT
// nsIContent
virtual nsresult PreHandleEvent(EventChainPreVisitor& aVisitor) override;
virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
const nsAttrValue* aValue, bool aNotify) override;
virtual nsresult InsertChildAt(nsIContent* aChild, uint32_t aIndex,
bool aNotify) override;
virtual void RemoveChildAt(uint32_t aIndex, bool aNotify) override;
// nsIFormControl
NS_IMETHOD_(uint32_t) GetType() const override { return NS_FORM_FIELDSET; }
NS_IMETHOD Reset() override;
NS_IMETHOD SubmitNamesValues(HTMLFormSubmission* aFormSubmission) override;
virtual bool IsDisabledForEvents(WidgetEvent* aEvent) override;
virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
const nsIContent* GetFirstLegend() const { return mFirstLegend; }
void AddElement(nsGenericHTMLFormElement* aElement);
void RemoveElement(nsGenericHTMLFormElement* aElement);
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLFieldSetElement,
nsGenericHTMLFormElement)
// WebIDL
bool Disabled() const
{
return GetBoolAttr(nsGkAtoms::disabled);
}
void SetDisabled(bool aValue, ErrorResult& aRv)
{
SetHTMLBoolAttr(nsGkAtoms::disabled, aValue, aRv);
}
// XPCOM GetName is OK for us
void SetName(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
}
// XPCOM GetType is OK for us
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);
protected:
virtual ~HTMLFieldSetElement();
virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
private:
/**
* 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,
nsIAtom* 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 */
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