1/* 2 * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following 13 * disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#ifndef NamedFlowCollection_h 31#define NamedFlowCollection_h 32 33#include "ContextDestructionObserver.h" 34#include "WebKitNamedFlow.h" 35#include <wtf/Forward.h> 36#include <wtf/ListHashSet.h> 37#include <wtf/PassRefPtr.h> 38#include <wtf/RefCounted.h> 39#include <wtf/Vector.h> 40 41namespace WebCore { 42 43class Document; 44class DOMNamedFlowCollection; 45 46class NamedFlowCollection : public RefCounted<NamedFlowCollection>, public ContextDestructionObserver { 47public: 48 static PassRefPtr<NamedFlowCollection> create(Document* doc) { return adoptRef(new NamedFlowCollection(doc)); } 49 50 Vector<RefPtr<WebKitNamedFlow> > namedFlows(); 51 WebKitNamedFlow* flowByName(const String&); 52 PassRefPtr<WebKitNamedFlow> ensureFlowWithName(const String&); 53 54 void discardNamedFlow(WebKitNamedFlow*); 55 56 Document* document() const; 57 58 virtual ~NamedFlowCollection() { } 59 60 PassRefPtr<DOMNamedFlowCollection> createCSSOMSnapshot(); 61 62private: 63 struct NamedFlowHashFunctions; 64 struct NamedFlowHashTranslator; 65 66 typedef ListHashSet<WebKitNamedFlow*, 1, NamedFlowHashFunctions> NamedFlowSet; 67 68 explicit NamedFlowCollection(Document*); 69 70 NamedFlowSet m_namedFlows; 71}; 72 73} // namespace WebCore 74 75#endif // NamedFlowCollection_h 76