1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/base/src/nsDOMTokenList.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,84 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +/*
1.9 + * Implementation of DOMTokenList specified by HTML5.
1.10 + */
1.11 +
1.12 +#ifndef nsDOMTokenList_h___
1.13 +#define nsDOMTokenList_h___
1.14 +
1.15 +#include "nsCOMPtr.h"
1.16 +#include "nsDOMString.h"
1.17 +#include "nsWrapperCache.h"
1.18 +#include "mozilla/dom/Element.h"
1.19 +#include "mozilla/dom/BindingDeclarations.h"
1.20 +
1.21 +namespace mozilla {
1.22 +class ErrorResult;
1.23 +
1.24 +} // namespace mozilla
1.25 +
1.26 +class nsAttrValue;
1.27 +class nsIAtom;
1.28 +
1.29 +// nsISupports must be on the primary inheritance chain
1.30 +// because nsDOMSettableTokenList is traversed by Element.
1.31 +class nsDOMTokenList : public nsISupports,
1.32 + public nsWrapperCache
1.33 +{
1.34 +protected:
1.35 + typedef mozilla::dom::Element Element;
1.36 +
1.37 +public:
1.38 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.39 + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsDOMTokenList)
1.40 +
1.41 + nsDOMTokenList(Element* aElement, nsIAtom* aAttrAtom);
1.42 +
1.43 + virtual JSObject* WrapObject(JSContext *cx) MOZ_OVERRIDE;
1.44 +
1.45 + Element* GetParentObject()
1.46 + {
1.47 + return mElement;
1.48 + }
1.49 +
1.50 + uint32_t Length();
1.51 + void Item(uint32_t aIndex, nsAString& aResult)
1.52 + {
1.53 + bool found;
1.54 + IndexedGetter(aIndex, found, aResult);
1.55 + if (!found) {
1.56 + SetDOMStringToNull(aResult);
1.57 + }
1.58 + }
1.59 + void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aResult);
1.60 + bool Contains(const nsAString& aToken, mozilla::ErrorResult& aError);
1.61 + void Add(const nsAString& aToken, mozilla::ErrorResult& aError);
1.62 + void Add(const nsTArray<nsString>& aTokens,
1.63 + mozilla::ErrorResult& aError);
1.64 + void Remove(const nsAString& aToken, mozilla::ErrorResult& aError);
1.65 + void Remove(const nsTArray<nsString>& aTokens,
1.66 + mozilla::ErrorResult& aError);
1.67 + bool Toggle(const nsAString& aToken,
1.68 + const mozilla::dom::Optional<bool>& force,
1.69 + mozilla::ErrorResult& aError);
1.70 + void Stringify(nsAString& aResult);
1.71 +
1.72 +protected:
1.73 + virtual ~nsDOMTokenList();
1.74 +
1.75 + nsresult CheckToken(const nsAString& aStr);
1.76 + nsresult CheckTokens(const nsTArray<nsString>& aStr);
1.77 + void AddInternal(const nsAttrValue* aAttr,
1.78 + const nsTArray<nsString>& aTokens);
1.79 + void RemoveInternal(const nsAttrValue* aAttr,
1.80 + const nsTArray<nsString>& aTokens);
1.81 + inline const nsAttrValue* GetParsedAttr();
1.82 +
1.83 + nsCOMPtr<Element> mElement;
1.84 + nsCOMPtr<nsIAtom> mAttrAtom;
1.85 +};
1.86 +
1.87 +#endif // nsDOMTokenList_h___
