arabica/DOM/Events/EventTarget.h
2002-06-21 11:16:28 +00:00

93 lines
No EOL
2.9 KiB
C++

#ifndef JEZUK_EVENTS_EVENTTARGET_H
#define JEZUK_EVENTS_EVENTTARGET_H
////////////////////////////
// C++ DOM definition
//
// $Id$
////////////////////////////
#include <DOM/ImplProxy.h>
namespace DOM
{
namespace Events
{
template<class stringT> class Event;
template<class stringT> class EventListener;
template<class stringT> class EventTarget_impl;
template<class stringT>
class EventTarget : protected DOM::Proxy
{
public:
EventTarget() : Proxy(0) { }
EventTarget(EventTarget_impl<stringT>* const impl) : Proxy(impl) { }
EventTarget(const EventTarget& rhs) : Proxy(rhs) { }
explicit EventTarget(const DOM::Node<stringT>& rhs) : Proxy(rhs.nImpl())
{
if(dynamic_cast<EventTarget_impl<stringT>*>(rhs.nImpl()) == 0)
throw DOM::DOMException(DOM::DOMException::NOT_SUPPORTED_ERR);
} // DocumentTraversal
virtual ~EventTarget() { }
bool operator==(const EventTarget& rhs) const { return Proxy::operator==(rhs); }
bool operator!=(const EventTarget& rhs) const { return Proxy::operator!=(rhs); }
bool operator==(int dummy) const { return Proxy::operator==(dummy); }
bool operator!=(int dummy) const { return Proxy::operator!=(dummy); }
EventTarget& operator=(const EventTarget& rhs)
{
Proxy::operator=(rhs);
return *this;
} // operator=
///////////////////////////////////////////////////////////////
// EventTarget methods
void addEventListener(const stringT type,
EventListener<stringT>& listener,
bool useCapture)
{
Impl()->addEventListener(type, listener, useCapture)
} // addEventListener
void removeEventListener(const stringT type,
EventListener<stringT>& listener,
bool useCapture)
{
Impl()->removeEventListener(type, listener, useCapture);
} // removeEventListener
bool dispatchEvent(Event<stringT>& event)
{
Impl()->dispatchEvent(event);
} // dispatchEvent
private:
EventTarget_impl<stringT>* Impl() const { return dynamic_cast<EventTarget_impl<stringT>*>(impl()); }
}; // class EventTarget
//////////////////////////////////////////////////////////////////////
// Event_impl
template<class stringT>
class EventTarget_impl : virtual public Impl
{
///////////////////////////////////////////////////////////////
// EventTarget methods
virtual void addEventListener(const stringT type,
EventListener<stringT>& listener,
bool useCapture) = 0;
virtual void removeEventListener(const stringT type,
EventListener<stringT>& listener,
bool useCapture) = 0;
virtual bool dispatchEvent(Event<stringT>& event) = 0;
}; // class EventTarget_impl
} // namespace Events
} // namespace DOM
#endif