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# netaccess.cpp

    00001 /*  $Id: netaccess.cpp,v 1.39.2.2 2003/01/13 17:58:46 pfeiffer Exp $
    00002
    00003     This file is part of the KDE libraries
    00004     Copyright (C) 1997 Torben Weis (weis@kde.org)
    00005     Copyright (C) 1998 Matthias Ettrich (ettrich@kde.org)
    00006     Copyright (C) 1999 David Faure (faure@kde.org)
    00007
    00008     This library is free software; you can redistribute it and/or
    00009     modify it under the terms of the GNU Library General Public
    00010     License as published by the Free Software Foundation; either
    00011     version 2 of the License, or (at your option) any later version.
    00012
    00013     This library is distributed in the hope that it will be useful,
    00014     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00015     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00016     Library General Public License for more details.
    00017
    00018     You should have received a copy of the GNU Library General Public License
    00019     along with this library; see the file COPYING.LIB.  If not, write to
    00020     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00021     Boston, MA 02111-1307, USA.
    00022 */
    00023
    00024 #include <stdlib.h>
    00025 #include <stdio.h>
    00026 #include <signal.h>
    00027 #include <unistd.h>
    00028
    00029 #include <qstring.h>
    00030 #include <qapplication.h>
    00031 #include <qfile.h>
    00032
    00033 #include <kapplication.h>
    00034 #include <klocale.h>
    00035 #include <ktempfile.h>
    00036 #include <kdebug.h>
    00037 #include <kurl.h>
    00038 #include <kio/job.h>
    00039 #include <kio/scheduler.h>
    00040
    00041 #include "kio/netaccess.h"
    00042
    00043 using namespace KIO;
    00044
    00045 QString * NetAccess::lastErrorMsg = 0L;
    00046
    00047 bool NetAccess::download(const KURL& u, QString & target)
    00048 {
    00049   if (u.isLocalFile()) {
    00050     // file protocol. We do not need the network
    00051     target = u.path();
    00052     bool accessible = checkAccess(target, R_OK);
    00053     if(!accessible)
    00054     {
    00055         if(!lastErrorMsg)
    00056             lastErrorMsg = new QString;
    00057         *lastErrorMsg = i18n("File '%1' is not readable").arg(target);
    00058     }
    00059     return accessible;
    00060   }
    00061
    00062   if (target.isEmpty())
    00063   {
    00064       KTempFile tmpFile;
    00065       target = tmpFile.name();
    00066       if (!tmpfiles)
    00067           tmpfiles = new QStringList;
    00068       tmpfiles->append(target);
    00069   }
    00070
    00071   NetAccess kioNet;
    00072   KURL dest;
    00073   dest.setPath( target );
    00074   return kioNet.copyInternal( u, dest, true /*overwrite*/);
    00075 }
    00076
    00077 bool NetAccess::upload(const QString& src, const KURL& target)
    00078 {
    00079   if (target.isEmpty())
    00080     return false;
    00081
    00082   // If target is local... well, just copy. This can be useful
    00083   // when the client code uses a temp file no matter what.
    00084   // Let's make sure it's not the exact same file though
    00085   if (target.isLocalFile() && target.path() == src)
    00086     return true;
    00087
    00088   NetAccess kioNet;
    00089   KURL s;
    00090   s.setPath(src);
    00091   return kioNet.copyInternal( s, target, true /*overwrite*/ );
    00092 }
    00093
    00094 bool NetAccess::copy( const KURL & src, const KURL & target )
    00095 {
    00096   NetAccess kioNet;
    00097   return kioNet.copyInternal( src, target, false /*not overwrite*/ );
    00098 }
    00099
    00100 bool NetAccess::dircopy( const KURL & src, const KURL & target )
    00101 {
    00102   NetAccess kioNet;
    00103   return kioNet.dircopyInternal( src, target );
    00104 }
    00105
    00106 bool NetAccess::exists( const KURL & url )
    00107 {
    00108   if ( url.isLocalFile() )
    00109     return QFile::exists( url.path() );
    00110   NetAccess kioNet;
    00111   return kioNet.statInternal( url, 0 /*no details*/, true /*source assumed*/ );
    00112 }
    00113
    00114 bool NetAccess::exists( const KURL & url, bool source )
    00115 {
    00116   if ( url.isLocalFile() )
    00117     return QFile::exists( url.path() );
    00118   NetAccess kioNet;
    00119   return kioNet.statInternal( url, 0 /*no details*/, source );
    00120 }
    00121
    00122 bool NetAccess::stat( const KURL & url, KIO::UDSEntry & entry )
    00123 {
    00124   NetAccess kioNet;
    00125   bool ret = kioNet.statInternal( url, 2 /*all details*/, true /*source*/ );
    00126   if (ret)
    00127     entry = kioNet.m_entry;
    00128   return ret;
    00129 }
    00130
    00131 bool NetAccess::del( const KURL & url )
    00132 {
    00133   NetAccess kioNet;
    00134   return kioNet.delInternal( url );
    00135 }
    00136
    00137 bool NetAccess::mkdir( const KURL & url, int permissions )
    00138 {
    00139   NetAccess kioNet;
    00140   return kioNet.mkdirInternal( url, permissions );
    00141 }
    00142
    00143 QString NetAccess::mimetype( const KURL& url )
    00144 {
    00145   NetAccess kioNet;
    00146   return kioNet.mimetypeInternal( url );
    00147 }
    00148
    00149 QStringList* NetAccess::tmpfiles = 0L;
    00150
    00151 void NetAccess::removeTempFile(const QString& name)
    00152 {
    00153   if (!tmpfiles)
    00154     return;
    00155   if (tmpfiles->contains(name))
    00156   {
    00157     unlink(QFile::encodeName(name));
    00158     tmpfiles->remove(name);
    00159   }
    00160 }
    00161
    00162 bool NetAccess::copyInternal(const KURL& src, const KURL& target, bool overwrite)
    00163 {
    00164   bJobOK = true; // success unless further error occurs
    00165
    00166   KIO::Scheduler::checkSlaveOnHold(true);
    00167   KIO::Job * job = KIO::file_copy( src, target, -1, overwrite );
    00168   connect( job, SIGNAL( result (KIO::Job *) ),
    00169            this, SLOT( slotResult (KIO::Job *) ) );
    00170
    00171   enter_loop();
    00172   return bJobOK;
    00173 }
    00174
    00175 bool NetAccess::dircopyInternal(const KURL& src, const KURL& target)
    00176 {
    00177   bJobOK = true; // success unless further error occurs
    00178
    00179   KIO::Job * job = KIO::copy( src, target );
    00180   connect( job, SIGNAL( result (KIO::Job *) ),
    00181            this, SLOT( slotResult (KIO::Job *) ) );
    00182
    00183   enter_loop();
    00184   return bJobOK;
    00185 }
    00186
    00187 bool NetAccess::statInternal( const KURL & url, int details, bool source )
    00188 {
    00189   bJobOK = true; // success unless further error occurs
    00190   KIO::StatJob * job = KIO::stat( url, !url.isLocalFile() );
    00191   job->setDetails( details );
    00192   job->setSide( source );
    00193   connect( job, SIGNAL( result (KIO::Job *) ),
    00194            this, SLOT( slotResult (KIO::Job *) ) );
    00195   enter_loop();
    00196   return bJobOK;
    00197 }
    00198
    00199 bool NetAccess::delInternal( const KURL & url )
    00200 {
    00201   bJobOK = true; // success unless further error occurs
    00202   KIO::Job * job = KIO::del( url );
    00203   connect( job, SIGNAL( result (KIO::Job *) ),
    00204            this, SLOT( slotResult (KIO::Job *) ) );
    00205   enter_loop();
    00206   return bJobOK;
    00207 }
    00208
    00209 bool NetAccess::mkdirInternal( const KURL & url, int permissions )
    00210 {
    00211   bJobOK = true; // success unless further error occurs
    00212   KIO::Job * job = KIO::mkdir( url, permissions );
    00213   connect( job, SIGNAL( result (KIO::Job *) ),
    00214            this, SLOT( slotResult (KIO::Job *) ) );
    00215   enter_loop();
    00216   return bJobOK;
    00217 }
    00218
    00219 QString NetAccess::mimetypeInternal( const KURL & url )
    00220 {
    00221   bJobOK = true; // success unless further error occurs
    00222   m_mimetype = QString::fromLatin1("unknown");
    00223   KIO::Job * job = KIO::mimetype( url );
    00224   connect( job, SIGNAL( result (KIO::Job *) ),
    00225            this, SLOT( slotResult (KIO::Job *) ) );
    00226   connect( job, SIGNAL( mimetype (KIO::Job *, const QString &) ),
    00227            this, SLOT( slotMimetype (KIO::Job *, const QString &) ) );
    00228   enter_loop();
    00229   return m_mimetype;
    00230 }
    00231
    00232 void NetAccess::slotMimetype( KIO::Job *, const QString & type  )
    00233 {
    00234   m_mimetype = type;
    00235 }
    00236
    00237 // If a troll sees this, he kills me
    00238 void qt_enter_modal( QWidget *widget );
    00239 void qt_leave_modal( QWidget *widget );
    00240
    00241 void NetAccess::enter_loop()
    00242 {
    00243   QWidget dummy(0,0,WType_Dialog | WShowModal);
    00244   dummy.setFocusPolicy( QWidget::NoFocus );
    00245   qt_enter_modal(&dummy);
    00246   qApp->enter_loop();
    00247   qt_leave_modal(&dummy);
    00248 }
    00249
    00250 void NetAccess::slotResult( KIO::Job * job )
    00251 {
    00252   bJobOK = !job->error();
    00253   if ( !bJobOK )
    00254   {
    00255     if ( !lastErrorMsg )
    00256       lastErrorMsg = new QString;
    00257     *lastErrorMsg = job->errorString();
    00258   }
    00259   if ( job->isA("KIO::StatJob") )
    00260     m_entry = static_cast<KIO::StatJob *>(job)->statResult();
    00261   qApp->exit_loop();
    00262 }
    00263
    00264 #include "netaccess.moc"

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