| /* |
| * 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 "bindings/core/v8/Iterable.h" |
| #include "bindings/core/v8/ScriptWrappable.h" |
| #include "core/dom/SpaceSplitString.h" |
| #include "platform/heap/Handle.h" |
| #include "wtf/Vector.h" |
| #include "wtf/text/AtomicString.h" |
| |
| namespace blink { |
| |
| class Element; |
| 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, |
| public ValueIterable<String> { |
| DEFINE_WRAPPERTYPEINFO(); |
| WTF_MAKE_NONCOPYABLE(DOMTokenList); |
| |
| public: |
| static DOMTokenList* create(DOMTokenListObserver* observer = nullptr) { |
| return new DOMTokenList(observer); |
| } |
| |
| virtual ~DOMTokenList() {} |
| |
| virtual unsigned length() const { return m_tokens.size(); } |
| virtual const AtomicString item(unsigned index) const; |
| |
| bool contains(const AtomicString&, ExceptionState&) 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 m_value; } |
| virtual void setValue(const AtomicString&); |
| |
| const SpaceSplitString& tokens() const { return m_tokens; } |
| void setObserver(DOMTokenListObserver* observer) { m_observer = observer; } |
| |
| const AtomicString& toString() const { return value(); } |
| |
| virtual Element* element() { return 0; } |
| |
| DEFINE_INLINE_VIRTUAL_TRACE() { visitor->trace(m_observer); } |
| |
| protected: |
| DOMTokenList(DOMTokenListObserver* observer) : m_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; |
| static AtomicString addToken(const AtomicString&, const AtomicString&); |
| static AtomicString addTokens(const AtomicString&, const Vector<String>&); |
| static AtomicString removeToken(const AtomicString&, const AtomicString&); |
| static AtomicString removeTokens(const AtomicString&, const Vector<String>&); |
| |
| private: |
| IterationSource* startIteration(ScriptState*, ExceptionState&) override; |
| SpaceSplitString m_tokens; |
| AtomicString m_value; |
| WeakMember<DOMTokenListObserver> m_observer; |
| }; |
| |
| } // namespace blink |
| |
| #endif // DOMTokenList_h |