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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: cachemulticaster.cxx,v $
* $Revision: 1.4 $
*
* 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_configmgr.hxx"
#include "cachemulticaster.hxx"
#include "treemanager.hxx"
#ifndef INCLUDED_ALGORITHM
#include <algorithm>
#define INCLUDED_ALGORITHM
#endif
#ifndef INCLUDED_FUNCTIONAL
#include <functional>
#define INCLUDED_FUNCTIONAL
#endif
namespace configmgr
{
// ---------------------------------------------------------------------------
namespace backend
{
// ---------------------------------------------------------------------------
namespace
{
// manually implemented helpers, as rtl::References don't work well with std binders
// ---------------------------------------------------------------------------
// replacing std::bind2nd( std::mem_fun(&aFunc), aArg )
struct NotifyDisposing : std::unary_function<rtl::Reference<TreeManager>,void>
{
CacheController & m_arg;
NotifyDisposing(CacheController * _pProvider) SAL_THROW(())
: m_arg(*_pProvider)
{}
void operator()(rtl::Reference<TreeManager> const & _xListener) const SAL_THROW(())
{ _xListener->disposing(m_arg); }
};
// ---------------------------------------------------------------------------
// replacing std::bind2nd( std::mem_fun(&TreeManager::componentCreated), _aComponentName )
struct NotifyCreated : std::unary_function<rtl::Reference<TreeManager>,void>
{
ComponentRequest const & m_arg;
NotifyCreated(ComponentRequest const * _pComponent) SAL_THROW(())
: m_arg(*_pComponent)
{}
void operator()(rtl::Reference<TreeManager> const & _xListener) const SAL_THROW(())
{ _xListener->componentCreated(m_arg); }
};
// ---------------------------------------------------------------------------
// replacing std::bind2nd( std::mem_fun(&TreeManager::componentChanged), _aComponentName )
struct NotifyChanged : std::unary_function<rtl::Reference<TreeManager>,void>
{
UpdateRequest const & m_arg;
NotifyChanged(UpdateRequest const * _pUpdate) SAL_THROW(())
: m_arg(*_pUpdate)
{}
void operator()(rtl::Reference<TreeManager> const & _xListener) const SAL_THROW(())
{ _xListener->componentChanged(m_arg); }
};
// ---------------------------------------------------------------------------
} // anonymous namespace
//----------------------------------------------------------------------------
CacheChangeMulticaster::CacheChangeMulticaster()
: m_aMutex()
, m_aListeners()
{
}
// ---------------------------------------------------------------------------
CacheChangeMulticaster::~CacheChangeMulticaster()
{
OSL_ENSURE( m_aListeners.empty(), "Forgot to dispose multicaster" );
}
// ---------------------------------------------------------------------------
inline std::list< rtl::Reference<TreeManager> > CacheChangeMulticaster::copyListenerList()
{
osl::MutexGuard aListGuard(m_aMutex);
return m_aListeners;
}
// ---------------------------------------------------------------------------
void CacheChangeMulticaster::notifyCreated(ComponentRequest const & _aComponent) SAL_THROW(())
{
std::list< rtl::Reference<TreeManager> > aNotifyListeners( this->copyListenerList() );
std::for_each( aNotifyListeners.begin(), aNotifyListeners.end(), NotifyCreated(&_aComponent) );
}
// ---------------------------------------------------------------------------
void CacheChangeMulticaster::notifyChanged(UpdateRequest const & _anUpdate) SAL_THROW(())
{
std::list< rtl::Reference<TreeManager> > aNotifyListeners( this->copyListenerList() );
std::for_each( aNotifyListeners.begin(), aNotifyListeners.end(), NotifyChanged(&_anUpdate) );
}
// ---------------------------------------------------------------------------
void CacheChangeMulticaster::addListener(rtl::Reference<TreeManager> _xListener) SAL_THROW(())
{
osl::MutexGuard aListGuard(m_aMutex);
OSL_PRECOND(std::find(m_aListeners.begin(),m_aListeners.end(),_xListener) == m_aListeners.end(),
"WARNING: Cache Change Listener was already registered - will be notified multiply.");
OSL_PRECOND(_xListener.is(), "ERROR: trying to register a NULL listener");
if (_xListener.is())
m_aListeners.push_front(_xListener);
}
// ---------------------------------------------------------------------------
void CacheChangeMulticaster::removeListener(rtl::Reference<TreeManager> _xListener) SAL_THROW(())
{
osl::MutexGuard aListGuard(m_aMutex);
m_aListeners.remove(_xListener);
}
// ---------------------------------------------------------------------------
} // namespace backend
// ---------------------------------------------------------------------------
} // namespace configmgr
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