| /* |
| * Copyright (C) 2013 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. ``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 |
| * 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 DocumentLifecycleNotifier_h |
| #define DocumentLifecycleNotifier_h |
| |
| #include "core/dom/DocumentLifecycleObserver.h" |
| #include "wtf/PassOwnPtr.h" |
| #include "wtf/TemporaryChange.h" |
| |
| namespace WebCore { |
| |
| class Document; |
| |
| class DocumentLifecycleNotifier : public LifecycleNotifier<Document> { |
| public: |
| static PassOwnPtr<DocumentLifecycleNotifier> create(Document*); |
| |
| void notifyDocumentWasDetached(); |
| void notifyDocumentWasDisposed(); |
| |
| virtual void addObserver(Observer*) OVERRIDE; |
| virtual void removeObserver(Observer*) OVERRIDE; |
| |
| private: |
| explicit DocumentLifecycleNotifier(Document*); |
| |
| typedef HashSet<DocumentLifecycleObserver*> DocumentObserverSet; |
| DocumentObserverSet m_documentObservers; |
| }; |
| |
| inline PassOwnPtr<DocumentLifecycleNotifier> DocumentLifecycleNotifier::create(Document* document) |
| { |
| return adoptPtr(new DocumentLifecycleNotifier(document)); |
| } |
| |
| inline void DocumentLifecycleNotifier::notifyDocumentWasDetached() |
| { |
| TemporaryChange<IterationType> scope(this->m_iterating, IteratingOverDocumentObservers); |
| for (DocumentObserverSet::iterator i = m_documentObservers.begin(); i != m_documentObservers.end(); ++i) |
| (*i)->documentWasDetached(); |
| } |
| |
| inline void DocumentLifecycleNotifier::notifyDocumentWasDisposed() |
| { |
| TemporaryChange<IterationType> scope(this->m_iterating, IteratingOverDocumentObservers); |
| for (DocumentObserverSet::iterator i = m_documentObservers.begin(); i != m_documentObservers.end(); ++i) |
| (*i)->documentWasDisposed(); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // DocumentLifecycleNotifier_h |