The Tor Browser: content/base/src/nsDOMTokenList.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 /*

     6  * Implementation of DOMTokenList specified by HTML5.

     7  */

     9 #ifndef nsDOMTokenList_h___

    10 #define nsDOMTokenList_h___

    12 #include "nsCOMPtr.h"

    13 #include "nsDOMString.h"

    14 #include "nsWrapperCache.h"

    15 #include "mozilla/dom/Element.h"

    16 #include "mozilla/dom/BindingDeclarations.h"

    18 namespace mozilla {

    19 class ErrorResult;

    21 } // namespace mozilla

    23 class nsAttrValue;

    24 class nsIAtom;

    26 // nsISupports must be on the primary inheritance chain

    27 // because nsDOMSettableTokenList is traversed by Element.

    28 class nsDOMTokenList : public nsISupports,

    29                        public nsWrapperCache

    30 {

    31 protected:

    32   typedef mozilla::dom::Element Element;

    34 public:

    35   NS_DECL_CYCLE_COLLECTING_ISUPPORTS

    36   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsDOMTokenList)

    38   nsDOMTokenList(Element* aElement, nsIAtom* aAttrAtom);

    40   virtual JSObject* WrapObject(JSContext *cx) MOZ_OVERRIDE;

    42   Element* GetParentObject()

    43   {

    44     return mElement;

    45   }

    47   uint32_t Length();

    48   void Item(uint32_t aIndex, nsAString& aResult)

    49   {

    50     bool found;

    51     IndexedGetter(aIndex, found, aResult);

    52     if (!found) {

    53       SetDOMStringToNull(aResult);

    54     }

    55   }

    56   void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aResult);

    57   bool Contains(const nsAString& aToken, mozilla::ErrorResult& aError);

    58   void Add(const nsAString& aToken, mozilla::ErrorResult& aError);

    59   void Add(const nsTArray<nsString>& aTokens,

    60            mozilla::ErrorResult& aError);

    61   void Remove(const nsAString& aToken, mozilla::ErrorResult& aError);

    62   void Remove(const nsTArray<nsString>& aTokens,

    63               mozilla::ErrorResult& aError);

    64   bool Toggle(const nsAString& aToken,

    65               const mozilla::dom::Optional<bool>& force,

    66               mozilla::ErrorResult& aError);

    67   void Stringify(nsAString& aResult);

    69 protected:

    70   virtual ~nsDOMTokenList();

    72   nsresult CheckToken(const nsAString& aStr);

    73   nsresult CheckTokens(const nsTArray<nsString>& aStr);

    74   void AddInternal(const nsAttrValue* aAttr,

    75                    const nsTArray<nsString>& aTokens);

    76   void RemoveInternal(const nsAttrValue* aAttr,

    77                       const nsTArray<nsString>& aTokens);

    78   inline const nsAttrValue* GetParsedAttr();

    80   nsCOMPtr<Element> mElement;

    81   nsCOMPtr<nsIAtom> mAttrAtom;

    82 };

    84 #endif // nsDOMTokenList_h___

The Tor Browser / file revision