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/* 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 DOMTokenList specified by HTML5.
*/
#ifndef nsDOMTokenList_h___
#define nsDOMTokenList_h___
#include "nsCOMPtr.h"
#include "nsDOMString.h"
#include "nsWrapperCache.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/BindingDeclarations.h"
namespace mozilla {
class ErrorResult;
} // namespace mozilla
class nsAttrValue;
class nsIAtom;
// nsISupports must be on the primary inheritance chain
// because nsDOMSettableTokenList is traversed by Element.
class nsDOMTokenList : public nsISupports,
public nsWrapperCache
{
protected:
typedef mozilla::dom::Element Element;
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsDOMTokenList)
nsDOMTokenList(Element* aElement, nsIAtom* aAttrAtom);
virtual JSObject* WrapObject(JSContext *cx) override;
Element* GetParentObject()
{
return mElement;
}
uint32_t Length();
void Item(uint32_t aIndex, nsAString& aResult)
{
bool found;
IndexedGetter(aIndex, found, aResult);
if (!found) {
SetDOMStringToNull(aResult);
}
}
void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aResult);
bool Contains(const nsAString& aToken, mozilla::ErrorResult& aError);
void Add(const nsAString& aToken, mozilla::ErrorResult& aError);
void Add(const nsTArray<nsString>& aTokens,
mozilla::ErrorResult& aError);
void Remove(const nsAString& aToken, mozilla::ErrorResult& aError);
void Remove(const nsTArray<nsString>& aTokens,
mozilla::ErrorResult& aError);
bool Toggle(const nsAString& aToken,
const mozilla::dom::Optional<bool>& force,
mozilla::ErrorResult& aError);
void Stringify(nsAString& aResult);
protected:
virtual ~nsDOMTokenList();
nsresult CheckToken(const nsAString& aStr);
nsresult CheckTokens(const nsTArray<nsString>& aStr);
void AddInternal(const nsAttrValue* aAttr,
const nsTArray<nsString>& aTokens);
void RemoveInternal(const nsAttrValue* aAttr,
const nsTArray<nsString>& aTokens);
inline const nsAttrValue* GetParsedAttr();
nsCOMPtr<Element> mElement;
nsCOMPtr<nsIAtom> mAttrAtom;
};
#endif // nsDOMTokenList_h___
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