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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: forms_EventThread.cxx,v $
 * $Revision: 1.4 $
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 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
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#ifndef _FRM_EVENT_THREAD_HXX_
#include "EventThread.hxx"
#endif

#ifndef _TOOLS_DEBUG_HXX //autogen
#include <tools/debug.hxx>
#endif
namespace binfilter {

//.........................................................................
namespace frm
{
//.........................................................................
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::awt;
using namespace ::com::sun::star::lang;

DBG_NAME( OComponentEventThread )
OComponentEventThread::OComponentEventThread( ::cppu::OComponentHelper* pCompImpl ) :
	m_pCompImpl( pCompImpl )
{
	DBG_CTOR( OComponentEventThread, NULL );

	increment(m_refCount);

	// Eine Referenz des Controls halten
	{
		InterfaceRef xIFace(static_cast<XWeak*>(pCompImpl));
		query_interface(xIFace, m_xComp);
	}

	// und uns an dem Control anmelden
	{
		Reference<XEventListener> xEvtLstnr = static_cast<XEventListener*>(this);
		m_xComp->addEventListener( xEvtLstnr );
	}

	decrement(m_refCount);
}

OComponentEventThread::~OComponentEventThread()
{
	DBG_DTOR( OComponentEventThread, NULL );

	DBG_ASSERT( m_aEvents.size() == 0,
		"OComponentEventThread::~OComponentEventThread: Kein dispose gerufen?" );
	while (m_aEvents.size())
		delete *m_aEvents.erase(m_aEvents.begin());
}

Any SAL_CALL OComponentEventThread::queryInterface(const Type& _rType) throw (RuntimeException)
{
	Any aReturn;

	aReturn = OWeakObject::queryInterface(_rType);

	if (!aReturn.hasValue())
		aReturn = ::cppu::queryInterface(_rType,
			static_cast<XEventListener*>(this)
		);

	return aReturn;
}

void OComponentEventThread::disposing( const EventObject& evt ) throw ( ::com::sun::star::uno::RuntimeException)
{
	if( evt.Source == m_xComp )
	{
		::osl::MutexGuard aGuard( m_aMutex );

		// Event-Listener abmelden
		Reference<XEventListener>  xEvtLstnr = static_cast<XEventListener*>(this);
		m_xComp->removeEventListener( xEvtLstnr );

		// Event-Queue loeschen
		while (m_aEvents.size())
			delete *m_aEvents.erase(m_aEvents.begin());
		m_aControls.erase(m_aControls.begin(), m_aControls.end());
		m_aFlags.erase(m_aFlags.begin(), m_aFlags.end());

		// Das Control loslassen und pCompImpl auf 0 setzen, damit der
		// Thread weiss, dass er sich beenden soll.
		m_xComp = 0;
		m_pCompImpl = 0;

		// Den Thread aufwecken und beenden.
		m_aCond.set();
		terminate();
	}
}

void OComponentEventThread::addEvent( const EventObject* _pEvt, sal_Bool bFlag )
{
	Reference<XControl>  xTmp;
	addEvent( _pEvt, xTmp, bFlag );
}

void OComponentEventThread::addEvent( const EventObject* _pEvt,
								   const Reference<XControl>& rControl,
								   sal_Bool bFlag )
{
	::osl::MutexGuard aGuard( m_aMutex );

	// Daten in die Queue stellen
	m_aEvents.push_back( cloneEvent( _pEvt ) );

	Reference<XWeak>		xWeakControl(rControl, UNO_QUERY);
	Reference<XAdapter>	xControlAdapter = xWeakControl.is() ? xWeakControl->queryAdapter() : Reference<XAdapter>();
	m_aControls.push_back( xControlAdapter );

	m_aFlags.push_back( bFlag );

	// Thread aufwecken
	m_aCond.set();
}

//---------------------------------------------------------------------
//--- 22.08.01 15:48:15 -----------------------------------------------

void OComponentEventThread::implStarted( )
{
	acquire( );
}

//---------------------------------------------------------------------
//--- 22.08.01 15:48:16 -----------------------------------------------

void OComponentEventThread::implTerminated( )
{
	release( );
}

//---------------------------------------------------------------------
//--- 22.08.01 15:47:31 -----------------------------------------------

void SAL_CALL OComponentEventThread::kill()
{
	OComponentEventThread_TBASE::kill();

	implTerminated( );
}

//---------------------------------------------------------------------
//--- 22.08.01 15:47:33 -----------------------------------------------

void SAL_CALL OComponentEventThread::onTerminated()
{
	OComponentEventThread_TBASE::onTerminated();

	implTerminated( );
}

void OComponentEventThread::run()
{
	implStarted( );

	// uns selbst festhalten, damit wir nicht geloescht werden,
	// wenn zwischendrinne mal ein dispose gerufen wird.
	InterfaceRef xThis(static_cast<XWeak*>(this));

	do
	{
		::osl::MutexGuard aGuard(m_aMutex);

		while( m_aEvents.size() > 0 )
		{
			// Das Control holen und festhalten, damit es waehrend des
			// actionPerformed nicht geloescht werden kann.
			Reference<XComponent>  xComp = m_xComp;
			::cppu::OComponentHelper *pCompImpl = m_pCompImpl;

			EventObject* pEvt = *m_aEvents.erase( m_aEvents.begin() );
			Reference<XAdapter> xControlAdapter = *m_aControls.erase( m_aControls.begin() );
			sal_Bool bFlag = *m_aFlags.erase( m_aFlags.begin() );

			{
				MutexRelease aReleaseOnce(m_aMutex);
				// Weil ein queryHardRef eine Exception schmeissen kann sollte
				// es nicht bei gelocktem Mutex aufgerufen werden.
				Reference<XControl>  xControl;
				if ( xControlAdapter.is() )
					query_interface(xControlAdapter->queryAdapted(), xControl);

				if( xComp.is() )
					processEvent( pCompImpl, pEvt, xControl, bFlag );
			}

			delete pEvt;
		};

		// Nach einem dispose kennen wir das Control nicht mehr. Dann darf
		// auch nicht gewartet werden.
		if( !m_xComp.is() )
			return;

		// Warte-Bedingung zuruecksetzen
		m_aCond.reset();
		{
			MutexRelease aReleaseOnce(m_aMutex);
			// und warten ... falls nicht zwischenzeitlich doch noch ein
			// Event eingetroffen ist.
			m_aCond.wait();
		}
	}
	while( sal_True );
}

//.........................................................................
}	// namespace frm
//.........................................................................

}
