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/*************************************************************************
*
* $RCSfile: confeventhelpers.hxx,v $
*
* $Revision: 1.8 $
*
* last change: $Author: hr $ $Date: 2003-03-19 16:18:23 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef CONFIGMGR_API_EVENTHELPERS_HXX_
#define CONFIGMGR_API_EVENTHELPERS_HXX_
#ifndef CONFIGMGR_API_EVENTS_HXX_
#include "confevents.hxx"
#endif
#ifndef CONFIGMGR_CONFIGPATH_HXX_
#include "configpath.hxx"
#endif
#ifndef _COM_SUN_STAR_UNO_RUNTIMEEXCEPTION_HPP_
#include <com/sun/star/uno/RuntimeException.hpp>
#endif
#ifndef _OSL_DIAGNOSE_H_
#include <osl/diagnose.h>
#endif
#ifndef _OSL_MUTEX_HXX_
#include <osl/mutex.hxx>
#endif
#ifndef INCLUDED_MAP
#include <map>
#define INCLUDED_MAP
#endif
#ifndef INCLUDED_FUNCTIONAL
#include <functional>
#define INCLUDED_FUNCTIONAL
#endif
#ifndef INCLUDED_HASH_SET
#include <hash_set>
#define INCLUDED_HASH_SET
#endif
#ifndef INCLUDED_SET
#include <set>
#define INCLUDED_SET
#endif
namespace configmgr
{
namespace internal
{
using namespace configuration;
////////////////////////////////////////////////////////////////////////
template <class ListenerRef>
class BroadcastImplHelper
{
public:
osl::Mutex mutex;
public:
BroadcastImplHelper()
{}
~BroadcastImplHelper()
{
OSL_ENSURE(m_aInterfaces.empty(), "Configuration Broadcaster was not disposed properly");
}
public:
typedef std::set<ListenerRef> Interfaces;
typedef typename Interfaces::iterator FullIterator;
typedef typename Interfaces::const_iterator Iterator;
public:
FullIterator addListener(ListenerRef aListener)
{
return m_aInterfaces.insert(aListener).first;
}
void removeListener(ListenerRef aListener)
{
m_aInterfaces.erase(aListener);
}
void disposing(IConfigBroadcaster* pSource);
public:
Iterator begin() const { return m_aInterfaces.begin(); }
Iterator end() const { return m_aInterfaces.end(); }
Iterator find(ListenerRef aListener) const { return m_aInterfaces.find(aListener); }
FullIterator findFull(ListenerRef aListener) { return m_aInterfaces.find(aListener); }
private:
Interfaces m_aInterfaces;
// no implementation - not copyable
BroadcastImplHelper(BroadcastImplHelper&);
void operator=(BroadcastImplHelper&);
};
////////////////////////////////////////////////////////////////////////
template <class Listener>
void BroadcastImplHelper<Listener>::disposing(IConfigBroadcaster* pSource)
{
osl::ClearableMutexGuard aGuard(this->mutex); // ensure that no notifications are running
Interfaces aTargets;
aTargets.swap(m_aInterfaces);
aGuard.clear();
for(FullIterator it = aTargets.begin(); it != aTargets.end(); )
{
FullIterator cur = it++;
if (*cur)
(*cur)->disposing(pSource);
}
}
/////////////////////////////////////////////////////////////////////////
class NodeListenerInfo
{
public:
typedef std::hash_set<AbsolutePath, Path::Hash, Path::Equiv> Pathes;
public:
NodeListenerInfo(INodeListenerRef const& pListener)
: m_pListener(pListener)
{
}
// path handling
Pathes const& pathList() const { return m_aPathes; }
void addPath(AbsolutePath const& sPath) const { m_aPathes.insert(sPath); }
void removePath(AbsolutePath const& sPath) const { m_aPathes.erase(sPath); }
//void removeChildPathes(OUString const& sPath);
// behave as pointer for use as a 'reference' class
INodeListenerRef get() const { return m_pListener; }
INodeListenerRef operator->() const { return get(); }
INodeListener& operator*() const { return *m_pListener; }
// needed to allow if (info) ...
struct HasListener;
operator HasListener const*() const { return reinterpret_cast<HasListener*>(m_pListener.get()); }
bool operator < (NodeListenerInfo const& aInfo) const
{ return std::less<INodeListener*>()(m_pListener.get(), aInfo.m_pListener.get()); }
bool operator == (NodeListenerInfo const& aInfo) const
{ return !!( m_pListener == aInfo.m_pListener); }
bool operator > (NodeListenerInfo const& aInfo) const
{ return aInfo.operator < (*this); }
bool operator >= (NodeListenerInfo const& aInfo) const
{ return !operator<(aInfo); }
bool operator <= (NodeListenerInfo const& aInfo) const
{ return !operator>(aInfo); }
bool operator != (NodeListenerInfo const& aInfo) const
{ return !operator==(aInfo); }
private:
INodeListenerRef m_pListener;
mutable Pathes m_aPathes; // hack to be mutable even as set element
};
class ConfigChangesBroadcasterImpl
{
public:
ConfigChangesBroadcasterImpl();
~ConfigChangesBroadcasterImpl();
void add(AbsolutePath const& aPath, INodeListenerRef const& pListener);
void remove(INodeListenerRef const& pListener);
// void removed(OUString const& aPath, bool bRemovedFromModel, IConfigBroadcaster* pSource);
void dispatch(memory::Accessor const& _aChangedDataAccessor, Change const& rBaseChange, AbsolutePath const& sChangeLocation, sal_Bool _bError, IConfigBroadcaster* pSource);
void dispatch(memory::Accessor const& _aChangedDataAccessor, TreeChangeList const& rList_, sal_Bool _bError, IConfigBroadcaster* pSource);
void disposing(IConfigBroadcaster* pSource);
private:
typedef BroadcastImplHelper<NodeListenerInfo> Listeners;
typedef Listeners::FullIterator InfoRef;
typedef std::multimap<AbsolutePath, InfoRef, Path::Before> PathMap;
Listeners m_aListeners;
PathMap m_aPathMap;
private:
void dispatchInner(INodeListenerRef const& pTarget, AbsolutePath const& sTargetPath, memory::Accessor const& _aChangedDataAccessor, Change const& rBaseChange, AbsolutePath const& sChangeLocation, sal_Bool _bError, IConfigBroadcaster* pSource);
void dispatchOuter(INodeListenerRef const& pTarget, AbsolutePath const& sTargetPath, memory::Accessor const& _aChangedDataAccessor, Change const& rBaseChange, AbsolutePath const& sChangeLocation, sal_Bool _bError, IConfigBroadcaster* pSource);
};
/////////////////////////////////////////////////////////////////////////
} // namespace
} // namespace
#endif // CONFIGMGR_API_EVENTHELPERS_HXX_
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