1 /* 2 * Copyright (C) 2013 Google Inc. 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef CustomElementUpgradeCandidateMap_h 32 #define CustomElementUpgradeCandidateMap_h 33 34 #include "core/dom/custom/CustomElementDescriptor.h" 35 #include "core/dom/custom/CustomElementDescriptorHash.h" 36 #include "core/dom/custom/CustomElementObserver.h" 37 #include "wtf/HashMap.h" 38 #include "wtf/LinkedHashSet.h" 39 #include "wtf/Noncopyable.h" 40 41 namespace WebCore { 42 43 class Element; 44 45 class CustomElementUpgradeCandidateMap FINAL : public CustomElementObserver { 46 WTF_MAKE_NONCOPYABLE(CustomElementUpgradeCandidateMap); 47 public: 48 static PassOwnPtrWillBeRawPtr<CustomElementUpgradeCandidateMap> create(); 49 virtual ~CustomElementUpgradeCandidateMap(); 50 51 // API for CustomElementRegistrationContext to save and take candidates 52 53 typedef WillBeHeapLinkedHashSet<RawPtrWillBeWeakMember<Element> > ElementSet; 54 55 void add(const CustomElementDescriptor&, Element*); 56 PassOwnPtrWillBeRawPtr<ElementSet> takeUpgradeCandidatesFor(const CustomElementDescriptor&); 57 58 virtual void trace(Visitor*) OVERRIDE; 59 60 private: CustomElementUpgradeCandidateMap()61 CustomElementUpgradeCandidateMap() { } 62 63 virtual void elementWasDestroyed(Element*) OVERRIDE; 64 65 virtual void elementDidFinishParsingChildren(Element*) OVERRIDE; 66 void moveToEnd(Element*); 67 68 typedef WillBeHeapHashMap<RawPtrWillBeWeakMember<Element>, CustomElementDescriptor> UpgradeCandidateMap; 69 UpgradeCandidateMap m_upgradeCandidates; 70 71 typedef WillBeHeapHashMap<CustomElementDescriptor, OwnPtrWillBeMember<ElementSet> > UnresolvedDefinitionMap; 72 UnresolvedDefinitionMap m_unresolvedDefinitions; 73 }; 74 75 } 76 77 #endif // CustomElementUpgradeCandidateMap_h 78