# dcop Library API Documentation

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# dcopobject.cpp

    00001 /*****************************************************************
    00002
    00003 Copyright (c) 1999,2000 Preston Brown <pbrown@kde.org>
    00004 Copyright (c) 1999 Matthias Ettrich <ettrich@kde.org>
    00005
    00006 Permission is hereby granted, free of charge, to any person obtaining a copy
    00007 of this software and associated documentation files (the "Software"), to deal
    00008 in the Software without restriction, including without limitation the rights
    00009 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00010 copies of the Software, and to permit persons to whom the Software is
    00011 furnished to do so, subject to the following conditions:
    00012
    00013 The above copyright notice and this permission notice shall be included in
    00014 all copies or substantial portions of the Software.
    00015
    00016 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00017 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00018 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
    00019 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
    00020 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
    00021 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    00022
    00023 ******************************************************************/
    00024
    00025 #include <dcopobject.h>
    00026 #include <dcopclient.h>
    00027
    00028 QMap<QCString, DCOPObject *> *kde_dcopObjMap = 0;
    00029
    00030 static inline QMap<QCString, DCOPObject *> *objMap()
    00031 {
    00032   if (!kde_dcopObjMap)
    00033     kde_dcopObjMap = new QMap<QCString, DCOPObject *>;
    00034   return kde_dcopObjMap;
    00035 }
    00036
    00037 class DCOPObject::DCOPObjectPrivate
    00038 {
    00039 public:
    00040     DCOPObjectPrivate()
    00041         { m_signalConnections = 0; m_dcopClient = 0; }
    00042
    00043     unsigned int m_signalConnections;
    00044     DCOPClient *m_dcopClient;
    00045 };
    00046
    00047 DCOPObject::DCOPObject()
    00048 {
    00049     d = new DCOPObjectPrivate;
    00050     ident.sprintf("%p", (void *)this );
    00051     objMap()->insert(ident, this );
    00052 }
    00053
    00054 DCOPObject::DCOPObject(QObject *obj)
    00055 {
    00056     d = new DCOPObjectPrivate;
    00057     QObject *currentObj = obj;
    00058     while (currentObj != 0L) {
    00059         ident.prepend( currentObj->name() );
    00060         ident.prepend("/");
    00061         currentObj = currentObj->parent();
    00062     }
    00063     if ( ident[0] == '/' )
    00064         ident = ident.mid(1);
    00065
    00066     objMap()->insert(ident, this);
    00067 }
    00068
    00069 DCOPObject::DCOPObject(const QCString &_objId)
    00070   : ident(_objId)
    00071 {
    00072     d = new DCOPObjectPrivate;
    00073     if ( ident.isEmpty() )
    00074         ident.sprintf("%p", (void *)this );
    00075     objMap()->insert(ident, this);
    00076 }
    00077
    00078 DCOPObject::~DCOPObject()
    00079 {
    00080     DCOPClient *client = DCOPClient::mainClient();
    00081     if ( d->m_signalConnections > 0 && client )
    00082          client->disconnectDCOPSignal( 0, 0, 0, objId(), 0 );
    00083
    00084     objMap()->remove(ident);
    00085     delete d;
    00086 }
    00087
    00088 DCOPClient *DCOPObject::callingDcopClient()
    00089 {
    00090     return d->m_dcopClient;
    00091 }
    00092
    00093 void DCOPObject::setCallingDcopClient(DCOPClient *client)
    00094 {
    00095     d->m_dcopClient = client;
    00096 }
    00097
    00098 bool DCOPObject::setObjId(const QCString &objId)
    00099 {
    00100   if (objMap()->find(objId)!=objMap()->end()) return false;
    00101
    00102   DCOPClient *client = DCOPClient::mainClient();
    00103     if ( d->m_signalConnections > 0 && client )
    00104          client->disconnectDCOPSignal( 0, 0, 0, ident, 0 );
    00105
    00106     objMap()->remove(ident);
    00107     ident=objId;
    00108     objMap()->insert(ident,this);
    00109     return true;
    00110 }
    00111
    00112 QCString DCOPObject::objId() const
    00113 {
    00114   return ident;
    00115 }
    00116
    00117 bool DCOPObject::hasObject(const QCString &_objId)
    00118 {
    00119   if (objMap()->contains(_objId))
    00120     return true;
    00121   else
    00122     return false;
    00123 }
    00124
    00125 DCOPObject *DCOPObject::find(const QCString &_objId)
    00126 {
    00127   QMap<QCString, DCOPObject *>::ConstIterator it;
    00128   it = objMap()->find(_objId);
    00129   if (it != objMap()->end())
    00130     return *it;
    00131   else
    00132     return 0L;
    00133 }
    00134
    00135 QPtrList<DCOPObject> DCOPObject::match(const QCString &partialId)
    00136 {
    00137     QPtrList<DCOPObject> mlist;
    00138     QMap<QCString, DCOPObject *>::ConstIterator it(objMap()->begin());
    00139     for (; it != objMap()->end(); ++it)
    00140     if (it.key().left(partialId.length()) == partialId) // found it?
    00141         mlist.append(it.data());
    00142     return mlist;
    00143 }
    00144
    00145
    00146 QCString DCOPObject::objectName( QObject* obj )
    00147 {
    00148     if ( obj == 0 )
    00149     return QCString();
    00150
    00151     QCString identity;
    00152
    00153     QObject *currentObj = obj;
    00154     while (currentObj != 0 )
    00155     {
    00156     identity.prepend( currentObj->name() );
    00157     identity.prepend("/");
    00158     currentObj = currentObj->parent();
    00159     }
    00160     if ( identity[0] == '/' )
    00161     identity = identity.mid(1);
    00162
    00163     return identity;
    00164 }
    00165
    00166 bool DCOPObject::process(const QCString &fun, const QByteArray &data,
    00167              QCString& replyType, QByteArray &replyData)
    00168 {
    00169     if ( fun == "interfaces()" ) {
    00170     replyType = "QCStringList";
    00171     QDataStream reply( replyData, IO_WriteOnly );
    00172     reply << interfaces();
    00173     return true;
    00174     } else  if ( fun == "functions()" ) {
    00175     replyType = "QCStringList";
    00176     QDataStream reply( replyData, IO_WriteOnly );
    00177     reply << functions();
    00178     return true;
    00179     }
    00180     return processDynamic( fun, data, replyType, replyData );
    00181 }
    00182
    00183 bool DCOPObject::processDynamic( const QCString&, const QByteArray&, QCString&, QByteArray& )
    00184 {
    00185     return false;
    00186 }
    00187 QCStringList DCOPObject::interfacesDynamic()
    00188 {
    00189     QCStringList result;
    00190     return result;
    00191 }
    00192
    00193 QCStringList DCOPObject::functionsDynamic()
    00194 {
    00195     QCStringList result;
    00196     return result;
    00197 }
    00198 QCStringList DCOPObject::interfaces()
    00199 {
    00200     QCStringList result = interfacesDynamic();
    00201     result << "DCOPObject";
    00202     return result;
    00203 }
    00204
    00205 QCStringList DCOPObject::functions()
    00206 {
    00207     QCStringList result = functionsDynamic();
    00208     result.prepend("QCStringList functions()");
    00209     result.prepend("QCStringList interfaces()");
    00210     return result;
    00211 }
    00212
    00213 void DCOPObject::emitDCOPSignal( const QCString &signal, const QByteArray &data)
    00214 {
    00215     DCOPClient *client = DCOPClient::mainClient();
    00216     if ( client )
    00217         client->emitDCOPSignal( objId(), signal, data );
    00218 }
    00219
    00220 bool DCOPObject::connectDCOPSignal( const QCString &sender, const QCString &senderObj,
    00221                                     const QCString &signal,
    00222                                     const QCString &slot,
    00223                                     bool Volatile)
    00224 {
    00225     DCOPClient *client = DCOPClient::mainClient();
    00226
    00227     if ( !client )
    00228         return false;
    00229
    00230     d->m_signalConnections++;
    00231     return client->connectDCOPSignal( sender, senderObj, signal, objId(), slot, Volatile );
    00232 }
    00233
    00234 bool DCOPObject::disconnectDCOPSignal( const QCString &sender, const QCString &senderObj,
    00235                                        const QCString &signal,
    00236                                        const QCString &slot)
    00237 {
    00238     DCOPClient *client = DCOPClient::mainClient();
    00239
    00240     if ( !client )
    00241         return false;
    00242
    00243     d->m_signalConnections--;
    00244     return client->disconnectDCOPSignal( sender, senderObj, signal, objId(), slot );
    00245 }
    00246
    00247
    00248 QPtrList<DCOPObjectProxy>* DCOPObjectProxy::proxies = 0;
    00249
    00250 DCOPObjectProxy::DCOPObjectProxy()
    00251 {
    00252     if ( !proxies )
    00253     proxies = new QPtrList<DCOPObjectProxy>;
    00254     proxies->append( this );
    00255 }
    00256
    00257 DCOPObjectProxy::DCOPObjectProxy( DCOPClient*)
    00258 {
    00259     if ( !proxies )
    00260     proxies = new QPtrList<DCOPObjectProxy>;
    00261     proxies->append( this );
    00262 }
    00263
    00264 DCOPObjectProxy:: ~DCOPObjectProxy()
    00265 {
    00266     if ( proxies )
    00267     proxies->removeRef( this );
    00268 }
    00269
    00270 bool DCOPObjectProxy::process( const QCString& /*obj*/,
    00271                    const QCString& /*fun*/,
    00272                    const QByteArray& /*data*/,
    00273                    QCString& /*replyType*/,
    00274                    QByteArray &/*replyData*/ )
    00275 {
    00276     return false;
    00277 }
    00278
    00279 void DCOPObject::virtual_hook( int, void* )
    00280 { /*BASE::virtual_hook( id, data );*/ }
    00281
    00282 void DCOPObjectProxy::virtual_hook( int, void* )
    00283 { /*BASE::virtual_hook( id, data );*/ }

This file is part of the documentation for dcop Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Sat Jun 11 20:16:55 2005 by doxygen 1.4.1 written by Dimitri van Heesch, © 1997-2003