/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2012 Apple Inc. All rights reserved.
* Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
* (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2011 Andreas Kling (kling@webkit.org)
*
* 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 COMPUTER, 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 COMPUTER, 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 EventListenerMap_h
#define EventListenerMap_h
#include "core/events/RegisteredEventListener.h"
#include "wtf/Forward.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/text/AtomicStringHash.h"
namespace WebCore {
class EventTarget;
typedef Vector<RegisteredEventListener, 1> EventListenerVector;
class EventListenerMap {
public:
EventListenerMap();
bool isEmpty() const { return m_entries.isEmpty(); }
bool contains(const AtomicString& eventType) const;
bool containsCapturing(const AtomicString& eventType) const;
void clear();
bool add(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture);
bool remove(const AtomicString& eventType, EventListener*, bool useCapture, size_t& indexOfRemovedListener);
EventListenerVector* find(const AtomicString& eventType);
Vector<AtomicString> eventTypes() const;
void removeFirstEventListenerCreatedFromMarkup(const AtomicString& eventType);
void copyEventListenersNotCreatedFromMarkupToTarget(EventTarget*);
private:
friend class EventListenerIterator;
void assertNoActiveIterators();
Vector<std::pair<AtomicString, OwnPtr<EventListenerVector> >, 2> m_entries;
#ifndef NDEBUG
int m_activeIteratorCount;
#endif
};
class EventListenerIterator {
WTF_MAKE_NONCOPYABLE(EventListenerIterator);
public:
EventListenerIterator();
EventListenerIterator(EventTarget*);
#ifndef NDEBUG
~EventListenerIterator();
#endif
EventListener* nextListener();
private:
EventListenerMap* m_map;
unsigned m_entryIndex;
unsigned m_index;
};
#ifdef NDEBUG
inline void EventListenerMap::assertNoActiveIterators() { }
#endif
} // namespace WebCore
#endif // EventListenerMap_h