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/* This file is part of the KDE project
Copyright (C) 2003 Matthias Kretz <kretz@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "ksettings/dispatcher.h"
#include <tqsignal.h>
#include <kstaticdeleter.h>
#include <kdebug.h>
#include <kconfig.h>
#include <assert.h>
namespace KSettings
{
//class Dispatcher::DispatcherPrivate
//{
//};
static KStaticDeleter<Dispatcher> ksd_kpd;
Dispatcher * Dispatcher::m_self = 0;
Dispatcher * Dispatcher::self()
{
kdDebug( 701 ) << k_funcinfo << endl;
if( m_self == 0 )
ksd_kpd.setObject( m_self, new Dispatcher() );
return m_self;
}
Dispatcher::Dispatcher( TQObject * parent, const char * name )
: TQObject( parent, name )
//, d( 0 )
{
kdDebug( 701 ) << k_funcinfo << endl;
}
Dispatcher::~Dispatcher()
{
kdDebug( 701 ) << k_funcinfo << endl;
//delete d;
}
void Dispatcher::registerInstance( KInstance * instance, TQObject * recv, const char * slot )
{
assert( instance != 0 );
// keep the KInstance around and call
// instance->config()->reparseConfiguration when the app should reparse
TQCString instanceName = instance->instanceName();
kdDebug( 701 ) << k_funcinfo << instanceName << endl;
m_instanceName[ recv ] = instanceName;
TQSignal * sig;
if( m_instanceInfo.tqcontains( instanceName ) )
{
sig = m_instanceInfo[ instanceName ].signal;
}
else
{
sig = new TQSignal( this, "signal dispatcher" );
m_instanceInfo[ instanceName ].signal = sig;
m_instanceInfo[ instanceName ].instance = instance;
}
sig->connect( recv, slot );
++m_instanceInfo[ instanceName ].count;
connect( recv, TQT_SIGNAL( destroyed( TQObject * ) ), this, TQT_SLOT( unregisterInstance( TQObject * ) ) );
}
KConfig * Dispatcher::configForInstanceName( const TQCString & instanceName )
{
kdDebug( 701 ) << k_funcinfo << endl;
if( m_instanceInfo.tqcontains( instanceName ) )
{
KInstance * inst = m_instanceInfo[ instanceName ].instance;
if( inst )
return inst->config();
}
//if( fallback )
//return new KSimpleConfig( instanceName );
return 0;
}
TQStrList Dispatcher::instanceNames() const
{
kdDebug( 701 ) << k_funcinfo << endl;
TQStrList names;
for( TQMap<TQCString, InstanceInfo>::ConstIterator it = m_instanceInfo.begin(); it != m_instanceInfo.end(); ++it )
if( ( *it ).count > 0 )
names.append( it.key() );
return names;
}
void Dispatcher::reparseConfiguration( const TQCString & instanceName )
{
kdDebug( 701 ) << k_funcinfo << instanceName << endl;
// check if the instanceName is valid:
if( ! m_instanceInfo.tqcontains( instanceName ) )
return;
// first we reparse the config of the instance so that the KConfig object
// will be up to date
m_instanceInfo[ instanceName ].instance->config()->reparseConfiguration();
TQSignal * sig = m_instanceInfo[ instanceName ].signal;
if( sig )
{
kdDebug( 701 ) << "emit signal to instance" << endl;
sig->activate();
}
}
void Dispatcher::syncConfiguration()
{
for( TQMap<TQCString, InstanceInfo>::ConstIterator it = m_instanceInfo.begin(); it != m_instanceInfo.end(); ++it )
{
( *it ).instance->config()->sync();
}
}
void Dispatcher::unregisterInstance( TQObject * obj )
{
kdDebug( 701 ) << k_funcinfo << endl;
TQCString name = m_instanceName[ obj ];
m_instanceName.remove( obj ); //obj will be destroyed when we return, so we better remove this entry
--m_instanceInfo[ name ].count;
if( m_instanceInfo[ name ].count == 0 )
{
delete m_instanceInfo[ name ].signal;
m_instanceInfo.remove( name );
}
}
//X KInstance * Dispatcher::instanceForName( const TQCString & instanceName )
//X {
//X return m_instanceInfo[ instanceName ].instance;
//X }
} //namespace
#include "dispatcher.moc"
// vim: sw=4 sts=4 et
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