gecko-dev/dom/base/Attr.h
2015-03-27 18:52:19 +00:00

118 lines
3.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 nsIDOMAttr node.
*/
#ifndef mozilla_dom_Attr_h
#define mozilla_dom_Attr_h
#include "mozilla/Attributes.h"
#include "nsIAttribute.h"
#include "nsIDOMAttr.h"
#include "nsIDOMText.h"
#include "nsIDOMNodeList.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 nsIDOMAttr and nsIDOMNode
class Attr final : public nsIAttribute,
public nsIDOMAttr
{
virtual ~Attr() {}
public:
Attr(nsDOMAttributeMap* aAttrMap,
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
const nsAString& aValue,
bool aNsAware);
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
// nsIDOMNode interface
NS_FORWARD_NSIDOMNODE_TO_NSINODE
virtual void GetTextContentInternal(nsAString& aTextContent,
ErrorResult& aError) override;
virtual void SetTextContentInternal(const nsAString& aTextContent,
ErrorResult& aError) override;
virtual void GetNodeValueInternal(nsAString& aNodeValue) override;
virtual void SetNodeValueInternal(const nsAString& aNodeValue,
ErrorResult& aError) override;
// nsIDOMAttr interface
NS_DECL_NSIDOMATTR
virtual nsresult PreHandleEvent(EventChainPreVisitor& aVisitor) override;
// nsIAttribute interface
void SetMap(nsDOMAttributeMap *aMap) override;
Element* GetElement() const;
nsresult SetOwnerDocument(nsIDocument* aDocument) override;
// nsINode interface
virtual bool IsNodeOfType(uint32_t aFlags) const override;
virtual uint32_t GetChildCount() const override;
virtual nsIContent *GetChildAt(uint32_t aIndex) const override;
virtual nsIContent * const * GetChildArray(uint32_t* aChildCount) const override;
virtual int32_t IndexOf(const nsINode* aPossibleChild) const override;
virtual nsresult InsertChildAt(nsIContent* aKid, uint32_t aIndex,
bool aNotify) override;
virtual void RemoveChildAt(uint32_t aIndex, bool aNotify) override;
virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, 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_AMBIGUOUS(Attr,
nsIAttribute)
virtual nsIDOMNode* AsDOMNode() override { return this; }
// WebIDL
virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
// XPCOM GetName() is OK
// XPCOM GetValue() is OK
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:
already_AddRefed<nsIAtom> GetNameAtom(nsIContent* aContent);
nsString mValue;
};
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_Attr_h */