gecko-dev/dom/base/Attr.h

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3.1 KiB
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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/. */
/*
* Implementation of DOM Core's Attr node.
*/
#ifndef mozilla_dom_Attr_h
#define mozilla_dom_Attr_h
#include "mozilla/Attributes.h"
#include "nsINode.h"
#include "nsString.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsStubMutationObserver.h"
class nsIDocument;
namespace mozilla {
class EventChainPreVisitor;
namespace dom {
// Attribute helper class used to wrap up an attribute with a dom
// object that implements the DOM Attr interface.
class Attr final : public nsINode
{
virtual ~Attr() {}
public:
Attr(nsDOMAttributeMap* aAttrMap,
already_AddRefed<dom::NodeInfo>&& aNodeInfo,
const nsAString& aValue);
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_IMPL_FROMNODE_HELPER(Attr, IsAttr())
// nsINode interface
virtual void GetTextContentInternal(nsAString& aTextContent,
OOMReporter& aError) override;
virtual void SetTextContentInternal(const nsAString& aTextContent,
nsIPrincipal* aSubjectPrincipal,
ErrorResult& aError) override;
virtual void GetNodeValueInternal(nsAString& aNodeValue) override;
virtual void SetNodeValueInternal(const nsAString& aNodeValue,
ErrorResult& aError) override;
void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
void ConstructUbiNode(void* storage) override;
nsDOMAttributeMap* GetMap()
{
return mAttrMap;
}
void SetMap(nsDOMAttributeMap *aMap);
Element* GetElement() const;
/**
* Called when our ownerElement is moved into a new document.
* Updates the nodeinfo of this node.
*/
nsresult SetOwnerDocument(nsIDocument* aDocument);
// nsINode interface
virtual bool IsNodeOfType(uint32_t aFlags) const override;
virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
virtual already_AddRefed<nsIURI> GetBaseURI(bool aTryUseXHRDocBaseURI = false) const override;
static void Initialize();
static void Shutdown();
NS_DECL_CYCLE_COLLECTION_SKIPPABLE_SCRIPT_HOLDER_CLASS(Attr)
// WebIDL
virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
void GetName(nsAString& aName);
void GetValue(nsAString& aValue);
void SetValue(const nsAString& aValue, nsIPrincipal* aTriggeringPrincipal, ErrorResult& aRv);
void SetValue(const nsAString& aValue, ErrorResult& aRv);
bool Specified() const;
// XPCOM GetNamespaceURI() is OK
// XPCOM GetPrefix() is OK
// XPCOM GetLocalName() is OK
Element* GetOwnerElement(ErrorResult& aRv);
protected:
virtual Element* GetNameSpaceElement() override
{
return GetElement();
}
static bool sInitialized;
private:
RefPtr<nsDOMAttributeMap> mAttrMap;
nsString mValue;
};
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_Attr_h */