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All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions are 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions in binary form must reproduce the above 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following disclaimer 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * in the documentation and/or other materials provided with the 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * distribution. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Neither the name of Google Inc. nor the names of its 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * contributors may be used to endorse or promote products derived from 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * this software without specific prior written permission. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef MutationObserverRegistration_h 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define MutationObserverRegistration_h 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3453e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/dom/MutationObserver.h" 3510f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch#include "platform/heap/Handle.h" 36e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "wtf/HashSet.h" 37e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "wtf/text/AtomicString.h" 38e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "wtf/text/AtomicStringHash.h" 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 40c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class QualifiedName; 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4410f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdochclass MutationObserverRegistration FINAL : public NoBaseWillBeGarbageCollectedFinalized<MutationObserverRegistration> { 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 46323480423219ecd77329f8326dc5e0e3b50926d4Torne (Richard Coles) static PassOwnPtrWillBeRawPtr<MutationObserverRegistration> create(MutationObserver&, Node*, MutationObserverOptions, const HashSet<AtomicString>& attributeFilter); 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ~MutationObserverRegistration(); 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void resetObservation(MutationObserverOptions, const HashSet<AtomicString>& attributeFilter); 50d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) void observedSubtreeNodeWillDetach(Node&); 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void clearTransientRegistrations(); 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool hasTransientRegistrations() const { return m_transientRegistrationNodes && !m_transientRegistrationNodes->isEmpty(); } 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void unregister(); 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 55d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) bool shouldReceiveMutationFrom(Node&, MutationObserver::MutationType, const QualifiedName* attributeName) const; 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool isSubtree() const { return m_options & MutationObserver::Subtree; } 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 58d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) MutationObserver& observer() const { return *m_observer; } 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) MutationRecordDeliveryOptions deliveryOptions() const { return m_options & (MutationObserver::AttributeOldValue | MutationObserver::CharacterDataOldValue); } 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) MutationObserverOptions mutationTypes() const { return m_options & MutationObserver::AllMutationTypes; } 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 62197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch void addRegistrationNodesToSet(WillBeHeapHashSet<RawPtrWillBeMember<Node> >&) const; 63926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 6410f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch void trace(Visitor*); 6510f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch 6610f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch void dispose(); 6710f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 69323480423219ecd77329f8326dc5e0e3b50926d4Torne (Richard Coles) MutationObserverRegistration(MutationObserver&, Node*, MutationObserverOptions, const HashSet<AtomicString>& attributeFilter); 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7110f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch RefPtrWillBeMember<MutationObserver> m_observer; 72323480423219ecd77329f8326dc5e0e3b50926d4Torne (Richard Coles) RawPtrWillBeWeakMember<Node> m_registrationNode; 73323480423219ecd77329f8326dc5e0e3b50926d4Torne (Richard Coles) RefPtrWillBeMember<Node> m_registrationNodeKeepAlive; 74f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) typedef WillBeHeapHashSet<RefPtrWillBeMember<Node> > NodeHashSet; 75f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) OwnPtrWillBeMember<NodeHashSet> m_transientRegistrationNodes; 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) MutationObserverOptions m_options; 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) HashSet<AtomicString> m_attributeFilter; 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 81c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // MutationObserverRegistration_h 84