kservicetype.cpp Source File (kio Library)

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# kservicetype.cpp

    00001 /*  This file is part of the KDE libraries
    00002  *  Copyright (C) 1999 Waldo Bastian <bastian@kde.org>
    00003  *                     David Faure   <faure@kde.org>
    00004  *
    00005  *  This library is free software; you can redistribute it and/or
    00006  *  modify it under the terms of the GNU Library General Public
    00007  *  License version 2 as published by the Free Software Foundation;
    00008  *
    00009  *  This library is distributed in the hope that it will be useful,
    00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00012  *  Library General Public License for more details.
    00013  *
    00014  *  You should have received a copy of the GNU Library General Public License
    00015  *  along with this library; see the file COPYING.LIB.  If not, write to
    00016  *  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00017  *  Boston, MA 02111-1307, USA.
    00018  **/
    00019
    00020 #include "kservice.h"
    00021 #include "ksycoca.h"
    00022 #include "kservicetype.h"
    00023 #include "kservicetypefactory.h"
    00024 #include "kservicefactory.h"
    00025 #include "kuserprofile.h"
    00026 #include <assert.h>
    00027 #include <kdebug.h>
    00028 #include <kdesktopfile.h>
    00029
    00030 template QDataStream& operator>> <QString, QVariant>(QDataStream&, QMap<QString, QVariant>&);
    00031 template QDataStream& operator<< <QString, QVariant>(QDataStream&, const QMap<QString, QVariant>&);
    00032
    00033 KServiceType::KServiceType( const QString & _fullpath)
    00034  : KSycocaEntry(_fullpath)
    00035 {
    00036   KDesktopFile config( _fullpath );
    00037
    00038   init(&config);
    00039 }
    00040
    00041 KServiceType::KServiceType( KDesktopFile *config )
    00042  : KSycocaEntry(config->filename())
    00043 {
    00044   init(config);
    00045 }
    00046
    00047 void
    00048 KServiceType::init( KDesktopFile *config)
    00049 {
    00050   // Is it a mimetype ?
    00051   m_strName = config->readEntry( "MimeType" );
    00052
    00053   // Or is it a servicetype ?
    00054   if ( m_strName.isEmpty() )
    00055   {
    00056     m_strName = config->readEntry( "X-KDE-ServiceType" );
    00057   }
    00058
    00059   m_strComment = config->readComment();
    00060   m_bDeleted = config->readBoolEntry( "Hidden", false );
    00061   m_strIcon = config->readIcon();
    00062
    00063   // We store this as property to preserve BC, we can't change that
    00064   // because KSycoca needs to remain BC between KDE 2.x and KDE 3.x
    00065   QString sDerived = config->readEntry( "X-KDE-Derived" );
    00066   m_bDerived = !sDerived.isEmpty();
    00067   if ( m_bDerived )
    00068     m_mapProps.insert( "X-KDE-Derived", sDerived );
    00069
    00070   QStringList tmpList = config->groupList();
    00071   QStringList::Iterator gIt = tmpList.begin();
    00072
    00073   for( ; gIt != tmpList.end(); ++gIt )
    00074   {
    00075     if ( (*gIt).find( "Property::" ) == 0 )
    00076     {
    00077       config->setGroup( *gIt );
    00078       QVariant v = config->readPropertyEntry( "Value",
    00079                    QVariant::nameToType( config->readEntry( "Type" ).ascii() ) );
    00080       if ( v.isValid() )
    00081           m_mapProps.insert( (*gIt).mid( 10 ), v );
    00082     }
    00083   }
    00084
    00085   gIt = tmpList.begin();
    00086   for( ; gIt != tmpList.end(); ++gIt )
    00087   {
    00088     if( (*gIt).find( "PropertyDef::" ) == 0 )
    00089     {
    00090       config->setGroup( *gIt );
    00091       m_mapPropDefs.insert( (*gIt).mid( 13 ),
    00092                             QVariant::nameToType( config->readEntry( "Type" ).ascii() ) );
    00093     }
    00094   }
    00095
    00096   m_bValid = !m_strName.isEmpty();
    00097 }
    00098
    00099 KServiceType::KServiceType( const QString & _fullpath, const QString& _type,
    00100                             const QString& _icon, const QString& _comment )
    00101  : KSycocaEntry(_fullpath)
    00102 {
    00103   m_strName = _type;
    00104   m_strIcon = _icon;
    00105   m_strComment = _comment;
    00106   m_bValid = !m_strName.isEmpty();
    00107 }
    00108
    00109 KServiceType::KServiceType( QDataStream& _str, int offset )
    00110  : KSycocaEntry( _str, offset )
    00111 {
    00112   load( _str);
    00113 }
    00114
    00115 void
    00116 KServiceType::load( QDataStream& _str )
    00117 {
    00118   Q_INT8 b;
    00119   _str >> m_strName >> m_strIcon >> m_strComment >> m_mapProps >> m_mapPropDefs
    00120        >> b;
    00121   m_bValid = b;
    00122   m_bDerived = m_mapProps.contains("X-KDE-Derived");
    00123 }
    00124
    00125 void
    00126 KServiceType::save( QDataStream& _str )
    00127 {
    00128   KSycocaEntry::save( _str );
    00129   // !! This data structure should remain binary compatible at all times !!
    00130   // You may add new fields at the end. Make sure to update the version
    00131   // number in ksycoca.h
    00132   _str << m_strName << m_strIcon << m_strComment << m_mapProps << m_mapPropDefs
    00133        << (Q_INT8)m_bValid;
    00134 }
    00135
    00136 KServiceType::~KServiceType()
    00137 {
    00138 }
    00139
    00140 QString KServiceType::parentServiceType() const
    00141 {
    00142   QVariant v = property("X-KDE-Derived");
    00143   return v.toString();
    00144 }
    00145
    00146 bool KServiceType::inherits( const QString& servTypeName ) const
    00147 {
    00148   if ( name() == servTypeName )
    00149       return true;
    00150   QString st = parentServiceType();
    00151   while ( !st.isEmpty() )
    00152   {
    00153       KServiceType::Ptr ptr = KServiceType::serviceType( st );
    00154       if (!ptr) return false; //error
    00155       if ( ptr->name() == servTypeName )
    00156           return true;
    00157       st = ptr->parentServiceType();
    00158   }
    00159   return false;
    00160 }
    00161
    00162 QVariant
    00163 KServiceType::property( const QString& _name ) const
    00164 {
    00165   QVariant v;
    00166
    00167   if ( _name == "Name" )
    00168     v = QVariant( m_strName );
    00169   else if ( _name == "Icon" )
    00170     v = QVariant( m_strIcon );
    00171   else if ( _name == "Comment" )
    00172     v = QVariant( m_strComment );
    00173   else {
    00174     QMap<QString,QVariant>::ConstIterator it = m_mapProps.find( _name );
    00175     if ( it != m_mapProps.end() )
    00176       v = it.data();
    00177   }
    00178
    00179   return v;
    00180 }
    00181
    00182 QStringList
    00183 KServiceType::propertyNames() const
    00184 {
    00185   QStringList res;
    00186
    00187   QMap<QString,QVariant>::ConstIterator it = m_mapProps.begin();
    00188   for( ; it != m_mapProps.end(); ++it )
    00189     res.append( it.key() );
    00190
    00191   res.append( "Name" );
    00192   res.append( "Comment" );
    00193   res.append( "Icon" );
    00194
    00195   return res;
    00196 }
    00197
    00198 QVariant::Type
    00199 KServiceType::propertyDef( const QString& _name ) const
    00200 {
    00201   QMap<QString,QVariant::Type>::ConstIterator it = m_mapPropDefs.find( _name );
    00202   if ( it == m_mapPropDefs.end() )
    00203     return QVariant::Invalid;
    00204   return it.data();
    00205 }
    00206
    00207 QStringList
    00208 KServiceType::propertyDefNames() const
    00209 {
    00210   QStringList l;
    00211
    00212   QMap<QString,QVariant::Type>::ConstIterator it = m_mapPropDefs.begin();
    00213   for( ; it != m_mapPropDefs.end(); ++it )
    00214     l.append( it.key() );
    00215
    00216   return l;
    00217 }
    00218
    00219 KServiceType::Ptr KServiceType::serviceType( const QString& _name )
    00220 {
    00221   KServiceType * p = KServiceTypeFactory::self()->findServiceTypeByName( _name );
    00222   return KServiceType::Ptr( p );
    00223 }
    00224
    00225 KService::List KServiceType::offers( const QString& _servicetype )
    00226 {
    00227   KService::List lst;
    00228
    00229   // Services associated directly with this servicetype (the normal case)
    00230   KServiceType * serv = KServiceTypeFactory::self()->findServiceTypeByName( _servicetype );
    00231   if ( serv )
    00232     lst += KServiceFactory::self()->offers( serv->offset() );
    00233   else
    00234     kdWarning(7009) << "KServiceType::offers : servicetype " << _servicetype << " not found" << endl;
    00235   bool isAMimeType = serv ? serv->isType( KST_KMimeType ) : false;
    00236   delete serv;
    00237
    00238   //QValueListIterator<KService::Ptr> it = lst.begin();
    00239   //for( ; it != lst.end(); ++it )
    00240   //    kdDebug() << (*it).data() << " " << (*it)->name() << endl;
    00241
    00242   // Support for all/* is deactivated by KServiceTypeProfile::configurationMode()
    00243   // (and makes no sense when querying for an "all" servicetype itself
    00244   // nor for non-mimetypes service types)
    00245   if ( !KServiceTypeProfile::configurationMode()
    00246        && isAMimeType
    00247        && _servicetype.left(4) != "all/" )
    00248   {
    00249     // Support for services associated with "all"
    00250     KServiceType * servAll = KServiceTypeFactory::self()->findServiceTypeByName( "all/all" );
    00251     if ( servAll )
    00252     {
    00253         KService::List newOffers = KServiceFactory::self()->offers( servAll->offset() );
    00254         // Look if we already have those services from the initial query, to avoid duplicates
    00255         QValueListIterator<KService::Ptr> it = newOffers.begin();
    00256         for( ; it != newOffers.end(); ++it )
    00257         {
    00258             bool found = false;
    00259             QValueListIterator<KService::Ptr> it2 = lst.begin();
    00260             for( ; it2 != lst.end() && !found; ++it2 )
    00261                 found = (*it)->desktopEntryPath() == (*it2)->desktopEntryPath();
    00262             if ( !found )
    00263             {
    00264                 (*it)->setInitialPreference( 0 ); // all/* associations are less prioritary
    00265                 lst += *it;
    00266             }
    00267         }
    00268         //kdDebug(7009) << "all/all found, got " << newOffers.count() << " more offers" << endl;
    00269     }
    00270     else
    00271       kdWarning(7009) << "KServiceType::offers : servicetype all/all not found" << endl;
    00272     delete servAll;
    00273
    00274     // Support for services associated with "allfiles"
    00275     if ( _servicetype != "inode/directory" && _servicetype != "inode/directory-locked" )
    00276     {
    00277       KServiceType * servAllFiles = KServiceTypeFactory::self()->findServiceTypeByName( "all/allfiles" );
    00278       if ( servAllFiles )
    00279       {
    00280         KService::List newOffers = KServiceFactory::self()->offers( servAllFiles->offset() );
    00281         // Look if we already have those services from the initial query, to avoid duplicates
    00282         QValueListIterator<KService::Ptr> it = newOffers.begin();
    00283         for( ; it != newOffers.end(); ++it )
    00284         {
    00285             bool found = false;
    00286             QValueListIterator<KService::Ptr> it2 = lst.begin();
    00287             for( ; it2 != lst.end() && !found; ++it2 )
    00288                 found = (*it)->desktopEntryPath() == (*it2)->desktopEntryPath();
    00289             if ( !found )
    00290             {
    00291                 (*it)->setInitialPreference( 0 ); // all/* associations are less prioritary
    00292                 lst += *it;
    00293             }
    00294         }
    00295         //kdDebug(7009) << "all/allfiles found, got " << newOffers.count() << " more offers" << endl;
    00296       }
    00297       else
    00298         kdWarning(7009) << "KServiceType::offers : servicetype all/allfiles not found" << endl;
    00299       delete servAllFiles;
    00300     }
    00301   }
    00302
    00303   return lst;
    00304 }
    00305
    00306 KServiceType::List KServiceType::allServiceTypes()
    00307 {
    00308   return KServiceTypeFactory::self()->allServiceTypes();
    00309 }
    00310
    00311 void KServiceType::virtual_hook( int id, void* data )
    00312 { KSycocaEntry::virtual_hook( id, data ); }

This file is part of the documentation for kdelibs Version 3.1.5.
Documentation copyright © 1996-2002 the KDE developers.
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