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Diffstat (limited to 'dom/base/nsDOMTokenList.h')
-rw-r--r-- | dom/base/nsDOMTokenList.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/dom/base/nsDOMTokenList.h b/dom/base/nsDOMTokenList.h new file mode 100644 index 000000000..e44e042d5 --- /dev/null +++ b/dom/base/nsDOMTokenList.h @@ -0,0 +1,104 @@ +/* -*- 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/Element.h" +#include "mozilla/dom/BindingDeclarations.h" +#include "mozilla/dom/DOMTokenListSupportedTokens.h" + +namespace mozilla { +class ErrorResult; + +} // namespace mozilla + +class nsAttrValue; +class nsIAtom; + +// nsISupports must be on the primary inheritance chain + +class nsDOMTokenList : public nsISupports, + public nsWrapperCache +{ +protected: + typedef mozilla::dom::Element Element; + typedef nsWhitespaceTokenizerTemplate<nsContentUtils::IsHTMLWhitespace> + WhitespaceTokenizer; + +public: + NS_DECL_CYCLE_COLLECTING_ISUPPORTS + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsDOMTokenList) + + nsDOMTokenList(Element* aElement, nsIAtom* aAttrAtom, + const mozilla::dom::DOMTokenListSupportedTokenArray = nullptr); + + virtual JSObject* WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto) 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); + 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); + void 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) { Stringify(aResult); } + void SetValue(const nsAString& aValue, mozilla::ErrorResult& rv); + 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); + void ReplaceInternal(const nsAttrValue* aAttr, + const nsAString& aToken, + const nsAString& aNewToken); + inline const nsAttrValue* GetParsedAttr(); + + nsCOMPtr<Element> mElement; + nsCOMPtr<nsIAtom> mAttrAtom; + const mozilla::dom::DOMTokenListSupportedTokenArray mSupportedTokens; +}; + +#endif // nsDOMTokenList_h___ |