AOO410/main/forms/source/richtext/featuredispatcher.cxx

/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_forms.hxx"
#include "featuredispatcher.hxx"

/** === begin UNO includes === **/
/** === end UNO includes === **/

//........................................................................
namespace frm
{
//........................................................................

    using namespace ::com::sun::star::uno;
    using namespace ::com::sun::star::frame;
    using namespace ::com::sun::star::lang;
    using namespace ::com::sun::star::util;

    //====================================================================
	//= ORichTextFeatureDispatcher
	//====================================================================
	//--------------------------------------------------------------------
    ORichTextFeatureDispatcher::ORichTextFeatureDispatcher( EditView& _rView, const URL&  _rURL )
        :m_aFeatureURL( _rURL )
        ,m_aStatusListeners( m_aMutex )
        ,m_pEditView( &_rView )
        ,m_bDisposed( false )
    {
    }

	//--------------------------------------------------------------------
    ORichTextFeatureDispatcher::~ORichTextFeatureDispatcher( )
    {
        if ( !m_bDisposed )
        {
            acquire();
            dispose();
        }
    }

    //--------------------------------------------------------------------
    void ORichTextFeatureDispatcher::dispose()
    {
        EventObject aEvent( *this );
        m_aStatusListeners.disposeAndClear( aEvent );

        ::osl::ClearableMutexGuard aGuard( m_aMutex );
        m_bDisposed = true;
        disposing( aGuard );
    }

    //--------------------------------------------------------------------
    void ORichTextFeatureDispatcher::disposing( ::osl::ClearableMutexGuard& /*_rClearBeforeNotify*/ )
    {
        m_pEditView = NULL;
    }

    //--------------------------------------------------------------------
    void SAL_CALL ORichTextFeatureDispatcher::addStatusListener( const Reference< XStatusListener >& _rxControl, const URL& _rURL ) throw (RuntimeException)
    {
        OSL_ENSURE( !m_bDisposed, "ORichTextFeatureDispatcher::addStatusListener: already disposed!" );
        if ( m_bDisposed )
            throw DisposedException();

        OSL_ENSURE( _rURL.Complete == getFeatureURL().Complete, "ORichTextFeatureDispatcher::addStatusListener: invalid URL!" );
        if ( _rURL.Complete == getFeatureURL().Complete )
            if ( _rxControl.is() )
            {
                m_aStatusListeners.addInterface( _rxControl );
                newStatusListener( _rxControl );
            }
    }
    
    //--------------------------------------------------------------------
    void SAL_CALL ORichTextFeatureDispatcher::removeStatusListener( const Reference< XStatusListener >& _rxControl, const URL& /*_rURL*/ ) throw (RuntimeException)
    {
        m_aStatusListeners.removeInterface( _rxControl );
    }

    //--------------------------------------------------------------------
    void ORichTextFeatureDispatcher::invalidate()
    {
        invalidateFeatureState_Broadcast();
    }

	//--------------------------------------------------------------------
    FeatureStateEvent ORichTextFeatureDispatcher::buildStatusEvent() const
    {
        FeatureStateEvent aEvent;
        aEvent.IsEnabled = sal_False;
        aEvent.Source = *const_cast< ORichTextFeatureDispatcher* >( this );
        aEvent.FeatureURL = getFeatureURL();
        aEvent.Requery = sal_False;
        return aEvent;
    }

	//--------------------------------------------------------------------
    void ORichTextFeatureDispatcher::invalidateFeatureState_Broadcast()
    {
        FeatureStateEvent aEvent( buildStatusEvent() );
        ::cppu::OInterfaceIteratorHelper aIter( getStatusListeners() );
    	while ( aIter.hasMoreElements() )
            doNotify( static_cast< XStatusListener* >( aIter.next() ), aEvent );
    }

    //--------------------------------------------------------------------
    void ORichTextFeatureDispatcher::newStatusListener( const Reference< XStatusListener >& _rxListener )
    {
        doNotify( _rxListener, buildStatusEvent() );
    }

	//--------------------------------------------------------------------
    void ORichTextFeatureDispatcher::doNotify( const Reference< XStatusListener >& _rxListener, const FeatureStateEvent& _rEvent ) const SAL_THROW(())
    {
        OSL_PRECOND( _rxListener.is(), "ORichTextFeatureDispatcher::doNotify: invalid listener!" );
        if ( _rxListener.is() )
        {
            try
            {
                _rxListener->statusChanged( _rEvent );
            }
            catch( const Exception& )
            {
            	OSL_ENSURE( sal_False, "ORichTextFeatureDispatcher::doNotify: caught an exception!" );
            }
        }
    }

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