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path: root/chart2/source/controller/main/CommandDispatch.cxx
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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 "CommandDispatch.hxx"
#include "CommonFunctors.hxx"
#include "macros.hxx"
#include <com/sun/star/util/URLTransformer.hpp>

#include <algorithm>
#include <functional>

using namespace ::com::sun::star;

using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
using ::rtl::OUString;

namespace
{
template< class Map >
    struct lcl_DisposeAndClearAndDeleteMapElement :
        public ::std::unary_function< typename Map::value_type, void >
    {
        lcl_DisposeAndClearAndDeleteMapElement( const Reference< uno::XInterface > & xEventSource ) :
                m_aEvent( xEventSource )
        {}
        void operator() ( typename Map::value_type & rElement )
        {
            if( rElement.second )
            {
                rElement.second->disposeAndClear( m_aEvent );
                delete rElement.second;
            }
        }
    private:
        lang::EventObject m_aEvent;
    };

template< class Map >
    void lcl_DisposeAndClearAndDeleteAllMapElements(
        Map & rMap,
        const Reference< uno::XInterface > & xEventSource )
{
    ::std::for_each( rMap.begin(), rMap.end(),
                     lcl_DisposeAndClearAndDeleteMapElement< Map >( xEventSource ));
}

} // anonymous namespace

namespace chart
{

CommandDispatch::CommandDispatch(
    const Reference< uno::XComponentContext > & xContext ) :
        impl::CommandDispatch_Base( m_aMutex ),
        m_xContext( xContext )
{
}

CommandDispatch::~CommandDispatch()
{}

void CommandDispatch::initialize()
{}

// ____ WeakComponentImplHelperBase ____
/// is called when this is disposed
void SAL_CALL CommandDispatch::disposing()
{
    lcl_DisposeAndClearAndDeleteAllMapElements( m_aListeners, static_cast< cppu::OWeakObject* >( this ));
    m_aListeners.clear();
}

// ____ XDispatch ____
void SAL_CALL CommandDispatch::dispatch( const util::URL& /* URL */, const Sequence< beans::PropertyValue >& /* Arguments */ )
    throw (uno::RuntimeException)
{}

void SAL_CALL CommandDispatch::addStatusListener( const Reference< frame::XStatusListener >& Control, const util::URL& URL )
    throw (uno::RuntimeException)
{
    tListenerMap::iterator aIt( m_aListeners.find( URL.Complete ));
    if( aIt == m_aListeners.end())
    {
        aIt = m_aListeners.insert(
            m_aListeners.begin(),
            tListenerMap::value_type( URL.Complete, new ::cppu::OInterfaceContainerHelper( m_aMutex )));
    }
    OSL_ASSERT( aIt != m_aListeners.end());

    aIt->second->addInterface( Control );
    fireStatusEvent( URL.Complete, Control );
}

void SAL_CALL CommandDispatch::removeStatusListener( const Reference< frame::XStatusListener >& Control, const util::URL& URL )
    throw (uno::RuntimeException)
{
    tListenerMap::iterator aIt( m_aListeners.find( URL.Complete ));
    if( aIt != m_aListeners.end())
        (*aIt).second->removeInterface( Control );
}

// ____ XModifyListener ____
void SAL_CALL CommandDispatch::modified( const lang::EventObject& /* aEvent */ )
    throw (uno::RuntimeException)
{
    fireAllStatusEvents( 0 );
}

// ____ XEventListener (base of XModifyListener) ____
void SAL_CALL CommandDispatch::disposing( const lang::EventObject& /* Source */ )
    throw (uno::RuntimeException)
{}

void CommandDispatch::fireAllStatusEvents(
    const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XStatusListener > & xSingleListener )
{
    fireStatusEvent( OUString(), xSingleListener );
}

void CommandDispatch::fireStatusEventForURL(
    const OUString & rURL,
    const uno::Any & rState,
    bool bEnabled,
    const Reference< frame::XStatusListener > & xSingleListener, /* = 0 */
    const OUString & rFeatureDescriptor /* = OUString() */ )
{
    // prepare event to send
    util::URL aURL;
    aURL.Complete = rURL;
    if( !m_xURLTransformer.is())
    {
        m_xURLTransformer.set( util::URLTransformer::create(m_xContext) );
    }
    m_xURLTransformer->parseStrict( aURL );

    frame::FeatureStateEvent aEventToSend(
        static_cast< cppu::OWeakObject* >( this ), // Source
        aURL,                                      // FeatureURL
        rFeatureDescriptor,                        // FeatureDescriptor
        bEnabled,                                  // IsEnabled
        false,                                     // Requery
        rState                                     // State
        );

    // send event either to single listener or all registered ones
    if( xSingleListener.is())
        xSingleListener->statusChanged( aEventToSend );
    else
    {
        tListenerMap::iterator aIt( m_aListeners.find( aURL.Complete ));
        if( aIt != m_aListeners.end())
        {
            if( aIt->second )
            {
                ::cppu::OInterfaceIteratorHelper aIntfIt( *((*aIt).second) );

                while( aIntfIt.hasMoreElements())
                {
                    Reference< frame::XStatusListener > xListener( aIntfIt.next(), uno::UNO_QUERY );
                    try
                    {
                        if( xListener.is())
                            xListener->statusChanged( aEventToSend );
                    }
                    catch( const uno::Exception & ex )
                    {
                        ASSERT_EXCEPTION( ex );
                    }
                }
            }
        }
    }
}



} //  namespace chart

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