/*
* 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 FINAL;
virtual void removeObserver(Observer*) OVERRIDE FINAL;
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