| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef DOMTokenList_h |
| #define DOMTokenList_h |
| |
| #include "core/CoreExport.h" |
| #include "core/dom/SpaceSplitString.h" |
| #include "platform/bindings/ScriptWrappable.h" |
| #include "platform/heap/Handle.h" |
| #include "platform/wtf/Vector.h" |
| #include "platform/wtf/text/AtomicString.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| |
| class CORE_EXPORT DOMTokenListObserver : public GarbageCollectedMixin { |
| public: |
| // Called when the value property is set, even if the tokens in |
| // the set have not changed. |
| virtual void ValueWasSet() = 0; |
| |
| DEFINE_INLINE_VIRTUAL_TRACE() {} |
| }; |
| |
| class CORE_EXPORT DOMTokenList : public GarbageCollectedFinalized<DOMTokenList>, |
| public ScriptWrappable { |
| DEFINE_WRAPPERTYPEINFO(); |
| WTF_MAKE_NONCOPYABLE(DOMTokenList); |
| |
| public: |
| static DOMTokenList* Create(DOMTokenListObserver* observer = nullptr) { |
| return new DOMTokenList(observer); |
| } |
| |
| virtual ~DOMTokenList() {} |
| |
| virtual unsigned length() const { return tokens_.size(); } |
| virtual const AtomicString item(unsigned index) const; |
| |
| bool contains(const AtomicString&) const; |
| virtual void add(const Vector<String>&, ExceptionState&); |
| void add(const AtomicString&, ExceptionState&); |
| virtual void remove(const Vector<String>&, ExceptionState&); |
| void remove(const AtomicString&, ExceptionState&); |
| bool toggle(const AtomicString&, ExceptionState&); |
| bool toggle(const AtomicString&, bool force, ExceptionState&); |
| bool supports(const AtomicString&, ExceptionState&); |
| |
| virtual const AtomicString& value() const { return value_; } |
| virtual void setValue(const AtomicString&); |
| |
| const SpaceSplitString& Tokens() const { return tokens_; } |
| void SetObserver(DOMTokenListObserver* observer) { observer_ = observer; } |
| |
| const AtomicString& toString() const { return value(); } |
| |
| DEFINE_INLINE_VIRTUAL_TRACE() { visitor->Trace(observer_); } |
| |
| protected: |
| DOMTokenList(DOMTokenListObserver* observer) : observer_(observer) {} |
| |
| virtual void AddInternal(const AtomicString&); |
| virtual bool ContainsInternal(const AtomicString&) const; |
| virtual void RemoveInternal(const AtomicString&); |
| |
| bool ValidateToken(const String&, ExceptionState&) const; |
| bool ValidateTokens(const Vector<String>&, ExceptionState&) const; |
| virtual bool ValidateTokenValue(const AtomicString&, ExceptionState&) const; |
| AtomicString AddToken(const AtomicString&); |
| AtomicString AddTokens(const Vector<String>&); |
| AtomicString RemoveToken(const AtomicString&); |
| AtomicString RemoveTokens(const Vector<String>&); |
| virtual SpaceSplitString& MutableSet() { return tokens_; } |
| static AtomicString SerializeSet(const SpaceSplitString&); |
| |
| private: |
| SpaceSplitString tokens_; |
| AtomicString value_; |
| WeakMember<DOMTokenListObserver> observer_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // DOMTokenList_h |