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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 "formfeaturedispatcher.hxx"
#include <comphelper/namedvaluecollection.hxx>
#include <tools/diagnose_ex.h>
//........................................................................
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, const sal_Int16 _nFormFeature,
const Reference< XFormOperations >& _rxFormOperations, ::osl::Mutex& _rMutex )
:m_rMutex( _rMutex )
,m_aStatusListeners( _rMutex )
,m_xFormOperations( _rxFormOperations )
,m_aFeatureURL( _rFeatureURL )
,m_nFormFeature( _nFormFeature )
,m_bLastKnownEnabled( sal_False )
,m_bDisposed( sal_False )
{
}
//--------------------------------------------------------------------
void OSingleFeatureDispatcher::getUnoState( FeatureStateEvent& /* [out] */ _rState ) const
{
_rState.Source = *const_cast< OSingleFeatureDispatcher* >( this );
FeatureState aState( m_xFormOperations->getState( m_nFormFeature ) );
_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_FAIL( "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_FAIL( "OSingleFeatureDispatcher::notifyStatus: caught a DisposedException - removing the listener!" );
aIter.remove( );
}
catch( const Exception& )
{
OSL_FAIL( "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_xFormOperations->isEnabled( m_nFormFeature ) )
return;
// release our mutex before executing the command
sal_Int16 nFormFeature( m_nFormFeature );
Reference< XFormOperations > xFormOperations( m_xFormOperations );
aGuard.clear();
try
{
if ( !_rArguments.getLength() )
{
xFormOperations->execute( nFormFeature );
}
else
{ // at the moment we only support one parameter
::comphelper::NamedValueCollection aArgs( _rArguments );
xFormOperations->executeWithArguments( nFormFeature, aArgs.getNamedValues() );
}
}
catch( const RuntimeException& )
{
throw;
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
//--------------------------------------------------------------------
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
//........................................................................
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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