15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2012 Google Inc. 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 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef IdTargetObserver_h 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define IdTargetObserver_h 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 29f523d2789ac2f83c4eca0ee4d5161bfdb5f2d052Torne (Richard Coles)#include "platform/heap/Handle.h" 30e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "wtf/text/AtomicString.h" 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 32c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class IdTargetObserverRegistry; 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 36f523d2789ac2f83c4eca0ee4d5161bfdb5f2d052Torne (Richard Coles)class IdTargetObserver : public NoBaseWillBeGarbageCollectedFinalized<IdTargetObserver> { 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual ~IdTargetObserver(); 39f523d2789ac2f83c4eca0ee4d5161bfdb5f2d052Torne (Richard Coles) virtual void trace(Visitor*); 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual void idTargetChanged() = 0; 41323480423219ecd77329f8326dc5e0e3b50926d4Torne (Richard Coles) virtual void unregister(); 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)protected: 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) IdTargetObserver(IdTargetObserverRegistry&, const AtomicString& id); 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 47f523d2789ac2f83c4eca0ee4d5161bfdb5f2d052Torne (Richard Coles) IdTargetObserverRegistry& registry() { return *m_registry; } 48f523d2789ac2f83c4eca0ee4d5161bfdb5f2d052Torne (Richard Coles) 49f523d2789ac2f83c4eca0ee4d5161bfdb5f2d052Torne (Richard Coles) RawPtrWillBeMember<IdTargetObserverRegistry> m_registry; 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) AtomicString m_id; 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 53c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // IdTargetObserver_h 56