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, 969 insertions, 0 deletions

diff --git a/kded/kded.cpp b/kded/kded.cpp
new file mode 100644
index 000000000..ed4c5e75e
--- /dev/null
+++ b/kded/kded.cpp
@@ -0,0 +1,969 @@
+/*  This file is part of the KDE libraries
+ *  Copyright (C) 1999 David Faure <[email protected]>
+ *  Copyright (C) 2000 Waldo Bastian <[email protected]>
+ *
+ *  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 <qdir.h>
+
+#include "kded.h"
+#include "kdedmodule.h"
+
+#include <kresourcelist.h>
+#include <kcrash.h>
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <time.h>
+
+#include <qfile.h>
+#include <qtimer.h>
+
+#include <dcopclient.h>
+
+#include <kuniqueapplication.h>
+#include <kcmdlineargs.h>
+#include <kaboutdata.h>
+#include <klocale.h>
+#include <kglobal.h>
+#include <kprocess.h>
+#include <kdebug.h>
+#include <kdirwatch.h>
+#include <kstandarddirs.h>
+#include <kdatastream.h>
+#include <kio/global.h>
+#include <kservicetype.h>
+
+#ifdef Q_WS_X11
+#include <X11/Xlib.h>
+#include <fixx11h.h>
+#endif
+
+Kded *Kded::_self = 0;
+
+static bool checkStamps = true;
+static bool delayedCheck = false;
+
+static void runBuildSycoca(QObject *callBackObj=0, const char *callBackSlot=0)
+{
+   QStringList args;
+   args.append("--incremental");
+   if(checkStamps)
+      args.append("--checkstamps");
+   if(delayedCheck)
+      args.append("--nocheckfiles");
+   else
+      checkStamps = false; // useful only during kded startup
+   if (callBackObj)
+   {
+      QByteArray data;
+      QDataStream dataStream( data, IO_WriteOnly );
+      dataStream << QString("kbuildsycoca") << args;
+      QCString _launcher = KApplication::launcher();
+
+      kapp->dcopClient()->callAsync(_launcher, _launcher, "kdeinit_exec_wait(QString,QStringList)", data, callBackObj, callBackSlot);
+   }
+   else
+   {
+      KApplication::kdeinitExecWait( "kbuildsycoca", args );
+   }
+}
+
+static void runKonfUpdate()
+{
+   KApplication::kdeinitExecWait( "kconf_update", QStringList(), 0, 0, "0" /*no startup notification*/ );
+}
+
+static void runDontChangeHostname(const QCString &oldName, const QCString &newName)
+{
+   QStringList args;
+   args.append(QFile::decodeName(oldName));
+   args.append(QFile::decodeName(newName));
+   KApplication::kdeinitExecWait( "kdontchangethehostname", args );
+}
+
+Kded::Kded(bool checkUpdates, bool new_startup)
+  : DCOPObject("kbuildsycoca"), DCOPObjectProxy(),
+    b_checkUpdates(checkUpdates),
+    m_needDelayedCheck(false),
+    m_newStartup( new_startup )
+{
+  _self = this;
+  QCString cPath;
+  QCString ksycoca_env = getenv("KDESYCOCA");
+  if (ksycoca_env.isEmpty())
+     cPath = QFile::encodeName(KGlobal::dirs()->saveLocation("tmp")+"ksycoca");
+  else
+     cPath = ksycoca_env;
+  m_pTimer = new QTimer(this);
+  connect(m_pTimer, SIGNAL(timeout()), this, SLOT(recreate()));
+
+  QTimer::singleShot(100, this, SLOT(installCrashHandler()));
+
+  m_pDirWatch = 0;
+
+  m_windowIdList.setAutoDelete(true);
+
+  m_recreateCount = 0;
+  m_recreateBusy = false;
+}
+
+Kded::~Kded()
+{
+  _self = 0;
+  m_pTimer->stop();
+  delete m_pTimer;
+  delete m_pDirWatch;
+  // We have to delete the modules while we're still able to process incoming
+  // DCOP messages, since modules might make DCOP calls in their destructors.
+  QAsciiDictIterator<KDEDModule> it(m_modules);
+  while (!it.isEmpty()) 
+	delete it.toFirst();
+}
+
+bool Kded::process(const QCString &obj, const QCString &fun,
+                   const QByteArray &data,
+                   QCString &replyType, QByteArray &replyData)
+{
+  if (obj == "ksycoca") return false; // Ignore this one.
+
+  if (m_dontLoad[obj])
+     return false;
+
+  KDEDModule *module = loadModule(obj, true);
+  if (!module)
+     return false;
+
+  module->setCallingDcopClient(kapp->dcopClient());
+  return module->process(fun, data, replyType, replyData);
+}
+
+void Kded::initModules()
+{
+     m_dontLoad.clear();
+     KConfig *config = kapp->config();
+     bool kde_running = !( getenv( "KDE_FULL_SESSION" ) == NULL || getenv( "KDE_FULL_SESSION" )[ 0 ] == '\0' );
+    // not the same user like the one running the session (most likely we're run via sudo or something)
+    if( getenv( "KDE_SESSION_UID" ) != NULL && uid_t( atoi( getenv( "KDE_SESSION_UID" ))) != getuid())
+        kde_running = false;
+     // Preload kded modules.
+     KService::List kdedModules = KServiceType::offers("KDEDModule");
+     for(KService::List::ConstIterator it = kdedModules.begin(); it != kdedModules.end(); ++it)
+     {
+         KService::Ptr service = *it;
+         bool autoload = service->property("X-KDE-Kded-autoload", QVariant::Bool).toBool();
+         config->setGroup(QString("Module-%1").arg(service->desktopEntryName()));
+         autoload = config->readBoolEntry("autoload", autoload);
+         if( m_newStartup )
+         {
+            // see ksmserver's README for description of the phases
+            QVariant phasev = service->property("X-KDE-Kded-phase", QVariant::Int );
+            int phase = phasev.isValid() ? phasev.toInt() : 2;
+            bool prevent_autoload = false;
+            switch( phase )
+            {
+                case 0: // always autoload
+                    break;
+                case 1: // autoload only in KDE
+                    if( !kde_running )
+                        prevent_autoload = true;
+                    break;
+                case 2: // autoload delayed, only in KDE
+                default:
+                    prevent_autoload = true;
+                    break;   
+            }
+            if (autoload && !prevent_autoload)
+               loadModule(service, false);
+         }
+         else
+         {
+            if (autoload && kde_running)
+               loadModule(service, false);
+         }
+         bool dontLoad = false;
+         QVariant p = service->property("X-KDE-Kded-load-on-demand", QVariant::Bool);
+         if (p.isValid() && (p.toBool() == false))
+            dontLoad = true;
+         if (dontLoad)
+            noDemandLoad(service->desktopEntryName());
+
+         if (dontLoad && !autoload)
+            unloadModule(service->desktopEntryName().latin1());
+     }
+}
+
+void Kded::loadSecondPhase()
+{
+     kdDebug(7020) << "Loading second phase autoload" << endl;
+     KConfig *config = kapp->config();
+     KService::List kdedModules = KServiceType::offers("KDEDModule");
+     for(KService::List::ConstIterator it = kdedModules.begin(); it != kdedModules.end(); ++it)
+     {
+         KService::Ptr service = *it;
+         bool autoload = service->property("X-KDE-Kded-autoload", QVariant::Bool).toBool();
+         config->setGroup(QString("Module-%1").arg(service->desktopEntryName()));
+         autoload = config->readBoolEntry("autoload", autoload);
+         QVariant phasev = service->property("X-KDE-Kded-phase", QVariant::Int );
+         int phase = phasev.isValid() ? phasev.toInt() : 2;
+         if( phase == 2 && autoload )
+            loadModule(service, false);
+     }
+}
+
+void Kded::noDemandLoad(const QString &obj)
+{
+  m_dontLoad.insert(obj.latin1(), this);
+}
+
+KDEDModule *Kded::loadModule(const QCString &obj, bool onDemand)
+{
+  KDEDModule *module = m_modules.find(obj);
+  if (module)
+     return module;
+  KService::Ptr s = KService::serviceByDesktopPath("kded/"+obj+".desktop");
+  return loadModule(s, onDemand);
+}
+
+KDEDModule *Kded::loadModule(const KService *s, bool onDemand)
+{
+  KDEDModule *module = 0;
+  if (s && !s->library().isEmpty())
+  {
+    QCString obj = s->desktopEntryName().latin1();
+    KDEDModule *oldModule = m_modules.find(obj);
+    if (oldModule)
+       return oldModule;
+
+    if (onDemand)
+    {
+      QVariant p = s->property("X-KDE-Kded-load-on-demand", QVariant::Bool);
+      if (p.isValid() && (p.toBool() == false))
+      {
+         noDemandLoad(s->desktopEntryName());
+         return 0;
+      }
+    }
+    // get the library loader instance
+
+    KLibLoader *loader = KLibLoader::self();
+
+    QVariant v = s->property("X-KDE-FactoryName", QVariant::String);
+    QString factory = v.isValid() ? v.toString() : QString::null;
+    if (factory.isEmpty())
+    {
+       // Stay bugward compatible
+       v = s->property("X-KDE-Factory", QVariant::String);
+       factory = v.isValid() ? v.toString() : QString::null;
+    }
+    if (factory.isEmpty())
+      factory = s->library();
+
+    factory = "create_" + factory;
+    QString libname = "kded_"+s->library();
+
+    KLibrary *lib = loader->library(QFile::encodeName(libname));
+    if (!lib)
+    {
+      kdWarning() << k_funcinfo << "Could not load library. [ "
+		  << loader->lastErrorMessage() << " ]" << endl;
+      libname.prepend("lib");
+      lib = loader->library(QFile::encodeName(libname));
+    }
+    if (lib)
+    {
+      // get the create_ function
+      void *create = lib->symbol(QFile::encodeName(factory));
+
+      if (create)
+      {
+        // create the module
+        KDEDModule* (*func)(const QCString &);
+        func = (KDEDModule* (*)(const QCString &)) create;
+        module = func(obj);
+        if (module)
+        {
+          m_modules.insert(obj, module);
+          m_libs.insert(obj, lib);
+          connect(module, SIGNAL(moduleDeleted(KDEDModule *)), SLOT(slotKDEDModuleRemoved(KDEDModule *)));
+          kdDebug(7020) << "Successfully loaded module '" << obj << "'\n";
+          return module;
+        }
+      }
+      loader->unloadLibrary(QFile::encodeName(libname));
+    }
+    else
+    {
+	kdWarning() << k_funcinfo << "Could not load library. [ "
+		    << loader->lastErrorMessage() << " ]" << endl;
+    }
+    kdDebug(7020) << "Could not load module '" << obj << "'\n";
+  }
+  return 0;
+}
+
+bool Kded::unloadModule(const QCString &obj)
+{
+  KDEDModule *module = m_modules.take(obj);
+  if (!module)
+     return false;
+  kdDebug(7020) << "Unloading module '" << obj << "'\n";
+  delete module;
+  return true;
+}
+
+// DCOP
+QCStringList Kded::loadedModules()
+{
+	QCStringList modules;
+	QAsciiDictIterator<KDEDModule> it( m_modules );
+	for ( ; it.current(); ++it)
+		modules.append( it.currentKey() );
+
+	return modules;
+}
+
+QCStringList Kded::functions()
+{
+    QCStringList res = DCOPObject::functions();
+    res += "ASYNC recreate()";
+    return res;
+}
+
+void Kded::slotKDEDModuleRemoved(KDEDModule *module)
+{
+  m_modules.remove(module->objId());
+  KLibrary *lib = m_libs.take(module->objId());
+  if (lib)
+     lib->unload();
+}
+
+void Kded::slotApplicationRemoved(const QCString &appId)
+{
+  for(QAsciiDictIterator<KDEDModule> it(m_modules); it.current(); ++it)
+  {
+     it.current()->removeAll(appId);
+  }
+
+  QValueList<long> *windowIds = m_windowIdList.find(appId);
+  if (windowIds)
+  {
+     for( QValueList<long>::ConstIterator it = windowIds->begin();
+          it != windowIds->end(); ++it)
+     {
+        long windowId = *it;
+        m_globalWindowIdList.remove(windowId);
+        for(QAsciiDictIterator<KDEDModule> it(m_modules); it.current(); ++it)
+        {
+            emit it.current()->windowUnregistered(windowId);
+        }
+     }
+     m_windowIdList.remove(appId);
+  }
+}
+
+void Kded::updateDirWatch()
+{
+  if (!b_checkUpdates) return;
+
+  delete m_pDirWatch;
+  m_pDirWatch = new KDirWatch;
+
+  QObject::connect( m_pDirWatch, SIGNAL(dirty(const QString&)),
+           this, SLOT(update(const QString&)));
+  QObject::connect( m_pDirWatch, SIGNAL(created(const QString&)),
+           this, SLOT(update(const QString&)));
+  QObject::connect( m_pDirWatch, SIGNAL(deleted(const QString&)),
+           this, SLOT(dirDeleted(const QString&)));
+
+  // For each resource
+  for( QStringList::ConstIterator it = m_allResourceDirs.begin();
+       it != m_allResourceDirs.end();
+       ++it )
+  {
+     readDirectory( *it );
+  }
+}
+
+void Kded::updateResourceList()
+{
+  delete KSycoca::self();
+
+  if (!b_checkUpdates) return;
+
+  if (delayedCheck) return;
+
+  QStringList dirs = KSycoca::self()->allResourceDirs();
+  // For each resource
+  for( QStringList::ConstIterator it = dirs.begin();
+       it != dirs.end();
+       ++it )
+  {
+     if (m_allResourceDirs.find(*it) == m_allResourceDirs.end())
+     {
+        m_allResourceDirs.append(*it);
+        readDirectory(*it);
+     }
+  }
+}
+
+void Kded::crashHandler(int)
+{
+   DCOPClient::emergencyClose();
+   if (_self) // Don't restart if we were closing down
+      system("kded");
+qWarning("Last DCOP call before KDED crash was from application '%s'\n"
+         "to object '%s', function '%s'.",
+         DCOPClient::postMortemSender(),
+         DCOPClient::postMortemObject(),
+         DCOPClient::postMortemFunction());
+}
+
+void Kded::installCrashHandler()
+{
+   KCrash::setEmergencySaveFunction(crashHandler);
+}
+
+void Kded::recreate()
+{
+   recreate(false);
+}
+
+void Kded::runDelayedCheck()
+{
+   if( m_needDelayedCheck )
+      recreate(false);
+   m_needDelayedCheck = false;
+}
+
+void Kded::recreate(bool initial)
+{
+   m_recreateBusy = true;
+   // Using KLauncher here is difficult since we might not have a
+   // database
+
+   if (!initial)
+   {
+      updateDirWatch(); // Update tree first, to be sure to miss nothing.
+      runBuildSycoca(this, SLOT(recreateDone()));
+   }
+   else
+   {
+      if(!delayedCheck)
+         updateDirWatch(); // this would search all the directories
+      runBuildSycoca();
+      recreateDone();
+      if(delayedCheck)
+      {
+         // do a proper ksycoca check after a delay
+         QTimer::singleShot( 60000, this, SLOT( runDelayedCheck()));
+         m_needDelayedCheck = true;
+         delayedCheck = false;
+      }
+      else
+         m_needDelayedCheck = false;
+   }
+}
+
+void Kded::recreateDone()
+{
+   updateResourceList();
+
+   for(; m_recreateCount; m_recreateCount--)
+   {
+      QCString replyType = "void";
+      QByteArray replyData;
+      DCOPClientTransaction *transaction = m_recreateRequests.first();
+      if (transaction)
+         kapp->dcopClient()->endTransaction(transaction, replyType, replyData);
+      m_recreateRequests.remove(m_recreateRequests.begin());
+   }
+   m_recreateBusy = false;
+
+   // Did a new request come in while building?
+   if (!m_recreateRequests.isEmpty())
+   {
+      m_pTimer->start(2000, true /* single shot */ );
+      m_recreateCount = m_recreateRequests.count();
+   }
+}
+
+void Kded::dirDeleted(const QString& path)
+{
+  update(path);
+}
+
+void Kded::update(const QString& )
+{
+  if (!m_recreateBusy)
+  {
+    m_pTimer->start( 2000, true /* single shot */ );
+  }
+  else
+  {
+    m_recreateRequests.append(0);
+  }
+}
+
+bool Kded::process(const QCString &fun, const QByteArray &data,
+                           QCString &replyType, QByteArray &replyData)
+{
+  if (fun == "recreate()") {
+    if (!m_recreateBusy)
+    {
+       if (m_recreateRequests.isEmpty())
+       {
+          m_pTimer->start(0, true /* single shot */ );
+          m_recreateCount = 0;
+       }
+       m_recreateCount++;
+    }
+    m_recreateRequests.append(kapp->dcopClient()->beginTransaction());
+    replyType = "void";
+    return true;
+  } else {
+    return DCOPObject::process(fun, data, replyType, replyData);
+  }
+}
+
+
+void Kded::readDirectory( const QString& _path )
+{
+  QString path( _path );
+  if ( path.right(1) != "/" )
+    path += "/";
+
+  if ( m_pDirWatch->contains( path ) ) // Already seen this one?
+     return;
+
+  QDir d( _path, QString::null, QDir::Unsorted, QDir::Readable | QDir::Executable | QDir::Dirs | QDir::Hidden );
+  // set QDir ...
+
+
+  //************************************************************************
+  //                           Setting dirs
+  //************************************************************************
+
+  m_pDirWatch->addDir(path);          // add watch on this dir
+
+  if ( !d.exists() )                            // exists&isdir?
+  {
+    kdDebug(7020) << QString("Does not exist! (%1)").arg(_path) << endl;
+    return;                             // return false
+  }
+
+  // Note: If some directory is gone, dirwatch will delete it from the list.
+
+  //************************************************************************
+  //                               Reading
+  //************************************************************************
+  QString file;
+  unsigned int i;                           // counter and string length.
+  unsigned int count = d.count();
+  for( i = 0; i < count; i++ )                        // check all entries
+  {
+     if (d[i] == "." || d[i] == ".." || d[i] == "magic")
+       continue;                          // discard those ".", "..", "magic"...
+
+     file = path;                           // set full path
+     file += d[i];                          // and add the file name.
+
+     readDirectory( file );      // yes, dive into it.
+  }
+}
+
+bool Kded::isWindowRegistered(long windowId)
+{
+  return m_globalWindowIdList.find(windowId) != 0;
+
+}
+
+// DCOP
+void Kded::registerWindowId(long windowId)
+{
+  m_globalWindowIdList.replace(windowId, &windowId);
+  QCString sender = callingDcopClient()->senderId();
+  if( sender.isEmpty()) // local call
+      sender = callingDcopClient()->appId();
+  QValueList<long> *windowIds = m_windowIdList.find(sender);
+  if (!windowIds)
+  {
+    windowIds = new QValueList<long>;
+    m_windowIdList.insert(sender, windowIds);
+  }
+  windowIds->append(windowId);
+
+
+  for(QAsciiDictIterator<KDEDModule> it(m_modules); it.current(); ++it)
+  {
+     emit it.current()->windowRegistered(windowId);
+  }
+}
+
+// DCOP
+void Kded::unregisterWindowId(long windowId)
+{
+  m_globalWindowIdList.remove(windowId);
+  QCString sender = callingDcopClient()->senderId();
+  if( sender.isEmpty()) // local call
+      sender = callingDcopClient()->appId();
+  QValueList<long> *windowIds = m_windowIdList.find(sender);
+  if (windowIds)
+  {
+     windowIds->remove(windowId);
+     if (windowIds->isEmpty())
+        m_windowIdList.remove(sender);
+  }
+
+  for(QAsciiDictIterator<KDEDModule> it(m_modules); it.current(); ++it)
+  {
+    emit it.current()->windowUnregistered(windowId);
+  }
+}
+
+
+static void sighandler(int /*sig*/)
+{
+    if (kapp)
+       kapp->quit();
+}
+
+KUpdateD::KUpdateD()
+{
+    m_pDirWatch = new KDirWatch;
+    m_pTimer = new QTimer;
+    connect(m_pTimer, SIGNAL(timeout()), this, SLOT(runKonfUpdate()));
+    QObject::connect( m_pDirWatch, SIGNAL(dirty(const QString&)),
+           this, SLOT(slotNewUpdateFile()));
+
+    QStringList dirs = KGlobal::dirs()->findDirs("data", "kconf_update");
+    for( QStringList::ConstIterator it = dirs.begin();
+         it != dirs.end();
+         ++it )
+    {
+       QString path = *it;
+       if (path[path.length()-1] != '/')
+          path += "/";
+
+       if (!m_pDirWatch->contains(path))
+          m_pDirWatch->addDir(path);
+    }
+}
+
+KUpdateD::~KUpdateD()
+{
+    delete m_pDirWatch;
+    delete m_pTimer;
+}
+
+void KUpdateD::runKonfUpdate()
+{
+    ::runKonfUpdate();
+}
+
+void KUpdateD::slotNewUpdateFile()
+{
+    m_pTimer->start( 500, true /* single shot */ );
+}
+
+KHostnameD::KHostnameD(int pollInterval)
+{
+    m_Timer.start(pollInterval, false /* repetitive */ );
+    connect(&m_Timer, SIGNAL(timeout()), this, SLOT(checkHostname()));
+    checkHostname();
+}
+
+KHostnameD::~KHostnameD()
+{
+    // Empty
+}
+
+void KHostnameD::checkHostname()
+{
+    char buf[1024+1];
+    if (gethostname(buf, 1024) != 0)
+       return;
+    buf[sizeof(buf)-1] = '\0';
+
+    if (m_hostname.isEmpty())
+    {
+       m_hostname = buf;
+       return;
+    }
+
+    if (m_hostname == buf)
+       return;
+
+    QCString newHostname = buf;
+
+    runDontChangeHostname(m_hostname, newHostname);
+    m_hostname = newHostname;
+}
+
+
+static KCmdLineOptions options[] =
+{
+  { "check", I18N_NOOP("Check Sycoca database only once"), 0 },
+  { "new-startup", "Internal", 0 },
+  KCmdLineLastOption
+};
+
+class KDEDQtDCOPObject : public DCOPObject
+{
+public:
+  KDEDQtDCOPObject() : DCOPObject("qt/kded") { }
+
+  virtual bool process(const QCString &fun, const QByteArray &data,
+                       QCString& replyType, QByteArray &replyData)
+    {
+      if ( kapp && (fun == "quit()") )
+      {
+        kapp->quit();
+        replyType = "void";
+        return true;
+      }
+      return DCOPObject::process(fun, data, replyType, replyData);
+    }
+
+  QCStringList functions()
+    {
+       QCStringList res = DCOPObject::functions();
+       res += "void quit()";
+       return res;
+    }
+};
+
+class KDEDApplication : public KUniqueApplication
+{
+public:
+  KDEDApplication() : KUniqueApplication( )
+    {
+       startup = true;
+       dcopClient()->connectDCOPSignal( "DCOPServer", "", "terminateKDE()",
+                                        objId(), "quit()", false );
+    }
+
+  int newInstance()
+    {
+       if (startup) {
+          startup = false;
+          if( Kded::self()->newStartup())
+             Kded::self()->initModules();
+          else
+	     QTimer::singleShot(500, Kded::self(), SLOT(initModules()));
+       } else 
+          runBuildSycoca();
+
+       return 0;
+    }
+
+  QCStringList functions()
+    {
+       QCStringList res = KUniqueApplication::functions();
+       res += "bool loadModule(QCString)";
+       res += "bool unloadModule(QCString)";
+       res += "void registerWindowId(long int)";
+       res += "void unregisterWindowId(long int)";
+       res += "QCStringList loadedModules()";
+       res += "void reconfigure()";
+       res += "void loadSecondPhase()";
+       res += "void quit()";
+       return res;
+    }
+
+  bool process(const QCString &fun, const QByteArray &data,
+               QCString &replyType, QByteArray &replyData)
+  {
+    if (fun == "loadModule(QCString)") {
+      QCString module;
+      QDataStream arg( data, IO_ReadOnly );
+      arg >> module;
+      bool result = (Kded::self()->loadModule(module, false) != 0);
+      replyType = "bool";
+      QDataStream _replyStream( replyData, IO_WriteOnly );
+      _replyStream << result;
+      return true;
+    }
+    else if (fun == "unloadModule(QCString)") {
+      QCString module;
+      QDataStream arg( data, IO_ReadOnly );
+      arg >> module;
+      bool result = Kded::self()->unloadModule(module);
+      replyType = "bool";
+      QDataStream _replyStream( replyData, IO_WriteOnly );
+      _replyStream << result;
+      return true;
+    }
+    else if (fun == "registerWindowId(long int)") {
+      long windowId;
+      QDataStream arg( data, IO_ReadOnly );
+      arg >> windowId;
+      Kded::self()->setCallingDcopClient(callingDcopClient());
+      Kded::self()->registerWindowId(windowId);
+      replyType = "void";
+      return true;
+    }
+     else if (fun == "unregisterWindowId(long int)") {
+      long windowId;
+      QDataStream arg( data, IO_ReadOnly );
+      arg >> windowId;
+      Kded::self()->setCallingDcopClient(callingDcopClient());
+      Kded::self()->unregisterWindowId(windowId);
+      replyType = "void";
+      return true;
+    }
+    else if (fun == "loadedModules()") {
+      replyType = "QCStringList";
+      QDataStream _replyStream(replyData, IO_WriteOnly);
+      _replyStream << Kded::self()->loadedModules();
+      return true;
+    }
+    else if (fun == "reconfigure()") {
+      config()->reparseConfiguration();
+      Kded::self()->initModules();
+      replyType = "void";
+      return true;
+    }
+    else if (fun == "loadSecondPhase()") {
+      Kded::self()->loadSecondPhase();
+      replyType = "void";
+      return true;
+    }
+    else if (fun == "quit()") {
+      quit();
+      replyType = "void";
+      return true;
+    }
+    return KUniqueApplication::process(fun, data, replyType, replyData);
+  }
+
+  bool startup;
+  KDEDQtDCOPObject kdedQtDcopObject;
+};
+
+extern "C" KDE_EXPORT int kdemain(int argc, char *argv[])
+{
+     KAboutData aboutData( "kded", I18N_NOOP("KDE Daemon"),
+        "$Id$",
+        I18N_NOOP("KDE Daemon - triggers Sycoca database updates when needed"));
+
+     KApplication::installSigpipeHandler();
+
+     KCmdLineArgs::init(argc, argv, &aboutData);
+
+     KUniqueApplication::addCmdLineOptions();
+
+     KCmdLineArgs::addCmdLineOptions( options );
+
+     // this program is in kdelibs so it uses kdelibs as catalog
+     KLocale::setMainCatalogue("kdelibs");
+
+     // WABA: Make sure not to enable session management.
+     putenv(strdup("SESSION_MANAGER="));
+
+     // Parse command line before checking DCOP
+     KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
+
+     // Check DCOP communication.
+     {
+        DCOPClient testDCOP;
+        QCString dcopName = testDCOP.registerAs("kded", false);
+        if (dcopName.isEmpty())
+        {
+           kdFatal() << "DCOP communication problem!" << endl;
+           return 1;
+        }
+     }
+
+     KInstance *instance = new KInstance(&aboutData);
+     KConfig *config = instance->config(); // Enable translations.
+
+     if (args->isSet("check"))
+     {
+        config->setGroup("General");
+        checkStamps = config->readBoolEntry("CheckFileStamps", true);
+        runBuildSycoca();
+        runKonfUpdate();
+        exit(0);
+     }
+
+     if (!KUniqueApplication::start())
+     {
+        fprintf(stderr, "KDE Daemon (kded) already running.\n");
+        exit(0);
+     }
+
+     KUniqueApplication::dcopClient()->setQtBridgeEnabled(false);
+
+     config->setGroup("General");
+     int HostnamePollInterval = config->readNumEntry("HostnamePollInterval", 5000);
+     bool bCheckSycoca = config->readBoolEntry("CheckSycoca", true);
+     bool bCheckUpdates = config->readBoolEntry("CheckUpdates", true);
+     bool bCheckHostname = config->readBoolEntry("CheckHostname", true);
+     checkStamps = config->readBoolEntry("CheckFileStamps", true);
+     delayedCheck = config->readBoolEntry("DelayedCheck", false);
+
+     Kded *kded = new Kded(bCheckSycoca, args->isSet("new-startup")); // Build data base
+
+     signal(SIGTERM, sighandler);
+     signal(SIGHUP, sighandler);
+     KDEDApplication k;
+
+     kded->recreate(true); // initial
+
+     if (bCheckUpdates)
+        (void) new KUpdateD; // Watch for updates
+
+     runKonfUpdate(); // Run it once.
+
+     if (bCheckHostname)
+        (void) new KHostnameD(HostnamePollInterval); // Watch for hostname changes
+
+     DCOPClient *client = kapp->dcopClient();
+     QObject::connect(client, SIGNAL(applicationRemoved(const QCString&)),
+             kded, SLOT(slotApplicationRemoved(const QCString&)));
+     client->setNotifications(true);
+     client->setDaemonMode( true );
+
+     // During startup kdesktop waits for KDED to finish.
+     // Send a notifyDatabaseChanged signal even if the database hasn't
+     // changed.
+     // If the database changed, kbuildsycoca's signal didn't go anywhere
+     // anyway, because it was too early, so let's send this signal
+     // unconditionnally (David)
+     QByteArray data;
+     client->send( "*", "ksycoca", "notifyDatabaseChanged()", data );
+     client->send( "ksplash", "", "upAndRunning(QString)",  QString("kded"));
+#ifdef Q_WS_X11
+     XEvent e;
+     e.xclient.type = ClientMessage;
+     e.xclient.message_type = XInternAtom( qt_xdisplay(), "_KDE_SPLASH_PROGRESS", False );
+     e.xclient.display = qt_xdisplay();
+     e.xclient.window = qt_xrootwin();
+     e.xclient.format = 8;
+     strcpy( e.xclient.data.b, "kded" );
+     XSendEvent( qt_xdisplay(), qt_xrootwin(), False, SubstructureNotifyMask, &e );
+#endif
+     int result = k.exec(); // keep running
+
+     delete kded;
+     delete instance; // Deletes config as well
+
+     return result;
+}
+
+#include "kded.moc"