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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 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>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "EventThread.hxx"
#include <comphelper/guarding.hxx>
#include <tools/debug.hxx>
//.........................................................................
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);
// Hold a reference of the Control
{
InterfaceRef xIFace(static_cast<XWeak*>(pCompImpl));
query_interface(xIFace, m_xComp);
}
// and add us at the Control
{
Reference<XEventListener> xEvtLstnr = static_cast<XEventListener*>(this);
m_xComp->addEventListener( xEvtLstnr );
}
decrement(m_refCount);
}
OComponentEventThread::~OComponentEventThread()
{
DBG_DTOR( OComponentEventThread, NULL );
DBG_ASSERT( m_aEvents.empty(),
"OComponentEventThread::~OComponentEventThread: Didn't call dispose?" );
impl_clearEventQueue();
}
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::impl_clearEventQueue()
{
while ( m_aEvents.size() )
{
delete *m_aEvents.begin();
m_aEvents.erase( m_aEvents.begin() );
}
m_aControls.erase( m_aControls.begin(), m_aControls.end() );
m_aFlags.erase( m_aFlags.begin(), m_aFlags.end() );
}
void OComponentEventThread::disposing( const EventObject& evt ) throw ( ::com::sun::star::uno::RuntimeException)
{
if( evt.Source == m_xComp )
{
::osl::MutexGuard aGuard( m_aMutex );
// Remove EventListener
Reference<XEventListener> xEvtLstnr = static_cast<XEventListener*>(this);
m_xComp->removeEventListener( xEvtLstnr );
// Clear EventQueue
impl_clearEventQueue();
// Free the Control and set pCompImpl to 0,
// so that the thread knows, that it should terminate.
m_xComp = 0;
m_pCompImpl = 0;
// Wake up the thread and terminate
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 );
// Put data into the queue
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 );
// Wake up thread
m_aCond.set();
}
void OComponentEventThread::implStarted( )
{
acquire( );
}
void OComponentEventThread::implTerminated( )
{
release( );
}
void SAL_CALL OComponentEventThread::kill()
{
OComponentEventThread_TBASE::terminate();
OComponentEventThread_TBASE::join();
implTerminated( );
}
void SAL_CALL OComponentEventThread::onTerminated()
{
OComponentEventThread_TBASE::onTerminated();
implTerminated( );
}
void OComponentEventThread::run()
{
implStarted( );
// Hold on to ourselves, so that we're not deleted if a dispose is called at some point in time
InterfaceRef xThis(static_cast<XWeak*>(this));
do
{
::osl::MutexGuard aGuard(m_aMutex);
while( m_aEvents.size() > 0 )
{
// Get the Control and hold on to it so that it cannot be deleted during actionPerformed
Reference<XComponent> xComp = m_xComp;
::cppu::OComponentHelper *pCompImpl = m_pCompImpl;
ThreadEvents::iterator firstEvent( m_aEvents.begin() );
EventObject* pEvt = *firstEvent;
m_aEvents.erase( firstEvent );
ThreadObjects::iterator firstControl( m_aControls.begin() );
Reference<XAdapter> xControlAdapter = *firstControl;
m_aControls.erase( firstControl );
ThreadBools::iterator firstFlag( m_aFlags.begin() );
sal_Bool bFlag = *firstFlag;
m_aFlags.erase( firstFlag );
{
MutexRelease aReleaseOnce(m_aMutex);
// Because a queryHardRef can throw an Exception, it shoudln't be called when
// the mutex is locked.
Reference<XControl> xControl;
if ( xControlAdapter.is() )
query_interface(xControlAdapter->queryAdapted(), xControl);
if( xComp.is() )
processEvent( pCompImpl, pEvt, xControl, bFlag );
}
delete pEvt;
};
// After a Dispose, we do not know the Control anymore.
// Thus, we must not wait either.
if( !m_xComp.is() )
return;
// Reset waiting condition
m_aCond.reset();
{
MutexRelease aReleaseOnce(m_aMutex);
// And wait ... if, in the meantime, an Event came in after all
m_aCond.wait();
}
}
while( sal_True );
}
//.........................................................................
} // namespace frm
//.........................................................................
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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