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/*************************************************************************
*
* 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.
*
************************************************************************/
#ifndef CONFIGMGR_BACKEND_BACKENDNOTIFIER_HXX
#define CONFIGMGR_BACKEND_BACKENDNOTIFIER_HXX
#include "mergeddataprovider.hxx"
#include <com/sun/star/configuration/backend/XBackend.hpp>
#include <com/sun/star/configuration/backend/XBackendChangesNotifier.hpp>
#include <osl/mutex.hxx>
#include <cppuhelper/implbase1.hxx>
#ifndef INCLUDED_MAP
#include <map>
#define INCLUDED_MAP
#endif
#ifndef INCLUDED_LIST
#include <list>
#define INCLUDED_LIST
#endif
namespace configmgr
{
// ---------------------------------------------------------------------------
namespace backend
{
namespace uno = ::com::sun::star::uno;
namespace lang = ::com::sun::star::lang;
namespace backenduno = ::com::sun::star::configuration::backend;
// ---------------------------------------------------------------------------
struct ComponentListener
{
explicit
ComponentListener(INodeDataListener * _xListener, RequestOptions _aOptions):
m_aListener( _xListener),
m_aOptions(_aOptions)
{}
bool operator==(const ComponentListener& _aListener)const
{
return ( (&m_aListener == &_aListener.m_aListener)&&
(compareRequestOptions(m_aOptions, _aListener.m_aOptions)== 0) );
}
INodeDataListener * m_aListener;
RequestOptions m_aOptions;
};
/** Class used to store ComponentListener(listener and options)
*/
class ComponentNotifier
{
public:
ComponentNotifier();
void addListenerToList(const ComponentListener& _aListener);
void removeListenerFromList(const ComponentListener& _aListener);
bool isListEmpty(){ return m_aListenerList.empty();}
void notifyListeners(const rtl::OUString& _aComponent);
private:
std::list<ComponentListener> m_aListenerList;
};
// ---------------------------------------------------------------------------
/** Interface providing a multicasting service for changes in the backend
*/
class BackendChangeNotifier :public cppu::WeakImplHelper1<backenduno::XBackendChangesListener>
{
public:
BackendChangeNotifier(const uno::Reference<backenduno::XBackend>& _xBackend);
~BackendChangeNotifier();
virtual void SAL_CALL componentDataChanged(const backenduno::ComponentChangeEvent& aEvent)
throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL disposing( lang::EventObject const & rSource )
throw (uno::RuntimeException);
// notification support.
/// register a listener for observing changes to the cached data
void addListener(INodeDataListener * _xListener, const ComponentRequest& _aRequest) SAL_THROW(());
/// unregister a listener previously registered
void removeListener(INodeDataListener * _xListener, const ComponentRequest& _aRequest) SAL_THROW(());
private:
osl::Mutex m_aMutex;
std::map<rtl::OUString, ComponentNotifier> m_aListeners;
/** Backend being accessed */
uno::Reference<backenduno::XBackendChangesNotifier> m_aBackend ;
};
// ---------------------------------------------------------------------------
} // namespace backend
// ---------------------------------------------------------------------------
} // namespace configmgr
#endif
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