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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: fmdispatch.cxx,v $
* $Revision: 1.7 $
*
* 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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include "fmdispatch.hxx"
#include "formcontrolling.hxx"
//........................................................................
namespace svx
{
//........................................................................
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::frame;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::util;
using namespace ::com::sun::star::form::runtime;
//====================================================================
//= OSingleFeatureDispatcher
//====================================================================
//--------------------------------------------------------------------
OSingleFeatureDispatcher::OSingleFeatureDispatcher( const URL& _rFeatureURL, sal_Int32 _nFeatureId,
const FormControllerHelper& _rController, ::osl::Mutex& _rMutex )
:m_rMutex( _rMutex )
,m_aStatusListeners( _rMutex )
,m_rController( _rController )
,m_aFeatureURL( _rFeatureURL )
,m_nFeatureId( _nFeatureId )
,m_bLastKnownEnabled( sal_False )
,m_bDisposed( sal_False )
{
}
//--------------------------------------------------------------------
void OSingleFeatureDispatcher::dispose()
{
{
::osl::MutexGuard aGuard( m_rMutex );
if ( m_bDisposed )
return;
}
EventObject aDisposeEvent( *this );
m_aStatusListeners.disposeAndClear( aDisposeEvent );
{
::osl::MutexGuard aGuard( m_rMutex );
m_bDisposed = sal_True;
}
}
//--------------------------------------------------------------------
void OSingleFeatureDispatcher::getUnoState( FeatureStateEvent& /* [out] */ _rState ) const
{
FeatureState aState;
_rState.Source = *const_cast< OSingleFeatureDispatcher* >( this );
m_rController.getState( m_nFeatureId, aState );
_rState.FeatureURL = m_aFeatureURL;
_rState.IsEnabled = aState.Enabled;
_rState.Requery = sal_False;
_rState.State = aState.State;
}
//--------------------------------------------------------------------
void OSingleFeatureDispatcher::updateAllListeners()
{
::osl::ClearableMutexGuard aGuard( m_rMutex );
FeatureStateEvent aUnoState;
getUnoState( aUnoState );
if ( ( m_aLastKnownState == aUnoState.State ) && ( m_bLastKnownEnabled == aUnoState.IsEnabled ) )
return;
m_aLastKnownState = aUnoState.State;
m_bLastKnownEnabled = aUnoState.IsEnabled;
notifyStatus( NULL, aGuard );
}
//--------------------------------------------------------------------
void OSingleFeatureDispatcher::notifyStatus( const Reference< XStatusListener >& _rxListener, ::osl::ClearableMutexGuard& _rFreeForNotification )
{
FeatureStateEvent aUnoState;
getUnoState( aUnoState );
if ( _rxListener.is() )
{
try
{
_rFreeForNotification.clear();
_rxListener->statusChanged( aUnoState );
}
catch( const Exception& )
{
OSL_ENSURE( sal_False, "OSingleFeatureDispatcher::notifyStatus: caught an exception!" );
}
}
else
{
::cppu::OInterfaceIteratorHelper aIter( m_aStatusListeners );
_rFreeForNotification.clear();
while ( aIter.hasMoreElements() )
{
try
{
static_cast< XStatusListener* >( aIter.next() )->statusChanged( aUnoState );
}
catch( const DisposedException& )
{
OSL_ENSURE( sal_False, "OSingleFeatureDispatcher::notifyStatus: caught a DisposedException - removing the listener!" );
aIter.remove( );
}
catch( const Exception& )
{
OSL_ENSURE( sal_False, "OSingleFeatureDispatcher::notifyStatus: caught a generic exception while notifying a single listener!" );
}
}
}
}
//--------------------------------------------------------------------
void SAL_CALL OSingleFeatureDispatcher::dispatch( const URL& _rURL, const Sequence< PropertyValue >& _rArguments ) throw (RuntimeException)
{
::osl::ClearableMutexGuard aGuard( m_rMutex );
checkAlive();
OSL_ENSURE( _rURL.Complete == m_aFeatureURL.Complete, "OSingleFeatureDispatcher::dispatch: not responsible for this URL!" );
(void)_rURL;
if ( m_rController.isEnabled( m_nFeatureId ) )
{
// release our mutex before executing the slot?
sal_Int32 nFeatureId( m_nFeatureId );
aGuard.clear();
if ( !_rArguments.getLength() )
{
m_rController.execute( nFeatureId );
}
else
{ // at the moment we only support one parameter
m_rController.execute( nFeatureId, _rArguments[0].Name, _rArguments[0].Value );
}
}
}
//--------------------------------------------------------------------
void SAL_CALL OSingleFeatureDispatcher::addStatusListener( const Reference< XStatusListener >& _rxControl, const URL& _rURL ) throw (RuntimeException)
{
(void)_rURL;
OSL_ENSURE( _rURL.Complete == m_aFeatureURL.Complete, "OSingleFeatureDispatcher::addStatusListener: unexpected URL!" );
OSL_ENSURE( _rxControl.is(), "OSingleFeatureDispatcher::addStatusListener: senseless call!" );
if ( !_rxControl.is() )
return;
::osl::ClearableMutexGuard aGuard( m_rMutex );
if ( m_bDisposed )
{
EventObject aDisposeEvent( *this );
aGuard.clear();
_rxControl->disposing( aDisposeEvent );
return;
}
m_aStatusListeners.addInterface( _rxControl );
// initially update the status
notifyStatus( _rxControl, aGuard );
}
//--------------------------------------------------------------------
void SAL_CALL OSingleFeatureDispatcher::removeStatusListener( const Reference< XStatusListener >& _rxControl, const URL& _rURL ) throw (RuntimeException)
{
(void)_rURL;
OSL_ENSURE( _rURL.Complete == m_aFeatureURL.Complete, "OSingleFeatureDispatcher::removeStatusListener: unexpected URL!" );
OSL_ENSURE( _rxControl.is(), "OSingleFeatureDispatcher::removeStatusListener: senseless call!" );
if ( !_rxControl.is() )
return;
::osl::MutexGuard aGuard( m_rMutex );
checkAlive();
m_aStatusListeners.removeInterface( _rxControl );
}
//--------------------------------------------------------------------
void OSingleFeatureDispatcher::checkAlive() const SAL_THROW((DisposedException))
{
if ( m_bDisposed )
throw DisposedException( ::rtl::OUString(), *const_cast< OSingleFeatureDispatcher* >( this ) );
}
//........................................................................
} // namespace svx
//........................................................................
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