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/*
* Copyright (C) 2010, 2011 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef GObjectEventListener_h
#define GObjectEventListener_h
#include "EventListener.h"
#include "EventTarget.h"
#include <wtf/RefPtr.h>
#include <wtf/text/CString.h>
typedef struct _GObject GObject;
typedef void (*GCallback) (void);
namespace WebCore {
class GObjectEventListener : public EventListener {
public:
static bool addEventListener(GObject* object, EventTarget* target, const char* domEventName, GCallback handler, bool useCapture, void* userData)
{
RefPtr<GObjectEventListener> listener(adoptRef(new GObjectEventListener(object, target, domEventName, handler, useCapture, userData)));
return target->addEventListener(domEventName, listener.release(), useCapture);
}
static bool removeEventListener(GObject* object, EventTarget* target, const char* domEventName, GCallback handler, bool useCapture)
{
GObjectEventListener key(object, target, domEventName, handler, useCapture, 0);
return target->removeEventListener(domEventName, &key, useCapture);
}
static void gobjectDestroyedCallback(GObjectEventListener* listener, GObject*)
{
listener->gobjectDestroyed();
}
static const GObjectEventListener* cast(const EventListener* listener)
{
return listener->type() == GObjectEventListenerType
? static_cast<const GObjectEventListener*>(listener)
: 0;
}
virtual bool operator==(const EventListener& other);
private:
GObjectEventListener(GObject*, EventTarget*, const char* domEventName, GCallback handler, bool capture, void* userData);
~GObjectEventListener();
void gobjectDestroyed();
virtual void handleEvent(ScriptExecutionContext*, Event*);
GObject* m_object;
// We do not need to keep a reference to the m_coreTarget, because
// we only use it when the GObject and thus the m_coreTarget object is alive.
EventTarget* m_coreTarget;
CString m_domEventName;
GCallback m_handler;
bool m_capture;
void* m_userData;
};
} // namespace WebCore
#endif
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