Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 157 insertions, 0 deletions

diff --git a/kutils/ksettings/dispatcher.cpp b/kutils/ksettings/dispatcher.cpp
new file mode 100644
index 000000000..4e54538d8
--- /dev/null
+++ b/kutils/ksettings/dispatcher.cpp
@@ -0,0 +1,157 @@
+/*  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 <qsignal.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( QObject * parent, const char * name )
+    : QObject( parent, name )
+    //, d( 0 )
+{
+    kdDebug( 701 ) << k_funcinfo << endl;
+}
+
+Dispatcher::~Dispatcher()
+{
+    kdDebug( 701 ) << k_funcinfo << endl;
+    //delete d;
+}
+
+void Dispatcher::registerInstance( KInstance * instance, QObject * recv, const char * slot )
+{
+    assert( instance != 0 );
+    // keep the KInstance around and call
+    // instance->config()->reparseConfiguration when the app should reparse
+    QCString instanceName = instance->instanceName();
+    kdDebug( 701 ) << k_funcinfo << instanceName << endl;
+    m_instanceName[ recv ] = instanceName;
+    QSignal * sig;
+    if( m_instanceInfo.contains( instanceName ) )
+    {
+        sig = m_instanceInfo[ instanceName ].signal;
+    }
+    else
+    {
+        sig = new QSignal( this, "signal dispatcher" );
+        m_instanceInfo[ instanceName ].signal = sig;
+        m_instanceInfo[ instanceName ].instance = instance;
+    }
+    sig->connect( recv, slot );
+
+    ++m_instanceInfo[ instanceName ].count;
+    connect( recv, SIGNAL( destroyed( QObject * ) ), this, SLOT( unregisterInstance( QObject * ) ) );
+}
+
+KConfig * Dispatcher::configForInstanceName( const QCString & instanceName )
+{
+    kdDebug( 701 ) << k_funcinfo << endl;
+    if( m_instanceInfo.contains( instanceName ) )
+    {
+        KInstance * inst = m_instanceInfo[ instanceName ].instance;
+        if( inst )
+            return inst->config();
+    }
+    //if( fallback )
+        //return new KSimpleConfig( instanceName );
+    return 0;
+}
+
+QStrList Dispatcher::instanceNames() const
+{
+    kdDebug( 701 ) << k_funcinfo << endl;
+    QStrList names;
+    for( QMap<QCString, 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 QCString & instanceName )
+{
+    kdDebug( 701 ) << k_funcinfo << instanceName << endl;
+    // check if the instanceName is valid:
+    if( ! m_instanceInfo.contains( 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();
+    QSignal * sig = m_instanceInfo[ instanceName ].signal;
+    if( sig )
+    {
+        kdDebug( 701 ) << "emit signal to instance" << endl;
+        sig->activate();
+    }
+}
+
+void Dispatcher::syncConfiguration()
+{
+    for( QMap<QCString, InstanceInfo>::ConstIterator it = m_instanceInfo.begin(); it != m_instanceInfo.end(); ++it )
+    {
+        ( *it ).instance->config()->sync();
+    }
+}
+
+void Dispatcher::unregisterInstance( QObject * obj )
+{
+    kdDebug( 701 ) << k_funcinfo << endl;
+    QCString 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 QCString & instanceName )
+//X {
+//X     return m_instanceInfo[ instanceName ].instance;
+//X }
+
+} //namespace
+
+#include "dispatcher.moc"
+
+// vim: sw=4 sts=4 et