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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 DOMTokenList specified by HTML5.
*/
#ifndef nsDOMTokenList_h___
#define nsDOMTokenList_h___
#include "nsCOMPtr.h"
#include "nsContentUtils.h"
#include "nsDOMString.h"
#include "nsWhitespaceTokenizer.h"
#include "nsWrapperCache.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/DOMTokenListSupportedTokens.h"
namespace mozilla {
class ErrorResult;
namespace dom {
class DocGroup;
class Element;
} // namespace dom
} // namespace mozilla
class nsAttrValue;
class nsAtom;
// nsISupports must be on the primary inheritance chain
class nsDOMTokenList : public nsISupports, public nsWrapperCache {
protected:
using Element = mozilla::dom::Element;
using DocGroup = mozilla::dom::DocGroup;
using WhitespaceTokenizer =
nsWhitespaceTokenizerTemplate<nsContentUtils::IsHTMLWhitespace>;
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(nsDOMTokenList)
nsDOMTokenList(Element* aElement, nsAtom* aAttrAtom,
const mozilla::dom::DOMTokenListSupportedTokenArray = nullptr);
virtual JSObject* WrapObject(JSContext* cx,
JS::Handle<JSObject*> aGivenProto) override;
Element* GetParentObject() { return mElement; }
DocGroup* GetDocGroup() const;
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);
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 Replace(const nsAString& aToken, const nsAString& aNewToken,
mozilla::ErrorResult& aError);
bool Toggle(const nsAString& aToken,
const mozilla::dom::Optional<bool>& force,
mozilla::ErrorResult& aError);
bool Supports(const nsAString& aToken, mozilla::ErrorResult& aError);
void GetValue(nsAString& aResult);
void SetValue(const nsAString& aValue, mozilla::ErrorResult& rv);
protected:
virtual ~nsDOMTokenList();
void CheckToken(const nsAString& aToken, mozilla::ErrorResult& aRv);
void CheckTokens(const nsTArray<nsString>& aTokens,
mozilla::ErrorResult& aRv);
void AddInternal(const nsAttrValue* aAttr, const nsTArray<nsString>& aTokens);
void RemoveInternal(const nsAttrValue* aAttr,
const nsTArray<nsString>& aTokens);
bool ReplaceInternal(const nsAttrValue* aAttr, const nsAString& aToken,
const nsAString& aNewToken);
inline const nsAttrValue* GetParsedAttr();
nsCOMPtr<Element> mElement;
RefPtr<nsAtom> mAttrAtom;
const mozilla::dom::DOMTokenListSupportedTokenArray mSupportedTokens;
};
#endif // nsDOMTokenList_h___
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