src/fileitemcapabilities.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by Peter Penz <peter.penz@gmx.at>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "fileitemcapabilities.h"
  21
  22 #include <kfileitem.h>
  23 #include <kprotocolmanager.h>
  24
  25 #include <QFileInfo>
  26
  27 FileItemCapabilities::FileItemCapabilities(const KFileItemList& items) :
  28     m_supportsReading(true),
  29     m_supportsDeleting(true),
  30     m_supportsWriting(true),
  31     m_supportsMoving(true),
  32     m_isLocal(true)
  33 {
  34     QFileInfo parentDirInfo;
  35     foreach (KFileItem item, items) {
  36         const KUrl url = item.url();
  37         m_isLocal = m_isLocal && url.isLocalFile();
  38         m_supportsReading  = m_supportsReading  && KProtocolManager::supportsReading(url);
  39         m_supportsDeleting = m_supportsDeleting && KProtocolManager::supportsReading(url);
  40         m_supportsWriting  = m_supportsWriting  && KProtocolManager::supportsWriting(url);
  41         m_supportsMoving   = m_supportsMoving   && KProtocolManager::supportsMoving(url);
  42
  43         // The following code has been taken from kdebase/apps/lib/konq/konq_popupmenu.cpp:
  44         // For local files we can do better: check if we have write permission in parent directory
  45         if (m_isLocal && (m_supportsDeleting || m_supportsMoving)) {
  46             const QString directory = url.directory();
  47             if (parentDirInfo.filePath() != directory) {
  48                 parentDirInfo.setFile(directory);
  49             }
  50             if (!parentDirInfo.isWritable()) {
  51                 m_supportsDeleting = false;
  52                 m_supportsMoving = false;
  53             }
  54         }
  55     }
  56 }
  57
  58 FileItemCapabilities::~FileItemCapabilities()
  59 {
  60 }