rbutil/rbutilqt/base/uninstall.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  *
   9  *   Copyright (C) 2007 by Dominik Wenger
  10  *   $Id$
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #include <QtCore>
  21 #include "uninstall.h"
  22 #include "utils.h"
  23
  24 Uninstaller::Uninstaller(QObject* parent,QString mountpoint): QObject(parent)
  25 {
  26     m_mountpoint = mountpoint;
  27 }
  28
  29 void Uninstaller::deleteAll(void)
  30 {
  31     QString rbdir(m_mountpoint + ".rockbox/");
  32     emit logItem(tr("Starting Uninstallation"), LOGINFO);
  33     emit logProgress(0, 0);
  34     Utils::recursiveRmdir(rbdir);
  35     emit logProgress(1, 1);
  36     emit logItem(tr("Finished Uninstallation"), LOGOK);
  37     emit logFinished();
  38 }
  39
  40 void Uninstaller::uninstall(void)
  41 {
  42     emit logProgress(0, 0);
  43     emit logItem(tr("Starting Uninstallation"), LOGINFO);
  44
  45     QSettings installlog(m_mountpoint + "/.rockbox/rbutil.log", QSettings::IniFormat, this);
  46
  47     for(int i=0; i< uninstallSections.size() ; i++)
  48     {
  49         emit logItem(tr("Uninstalling %1...").arg(uninstallSections.at(i)), LOGINFO);
  50         QCoreApplication::processEvents();
  51         // create list of all other install sections
  52         QStringList sections = installlog.childGroups();
  53         sections.removeAt(sections.indexOf(uninstallSections.at(i)));
  54         installlog.beginGroup(uninstallSections.at(i));
  55         QStringList toDeleteList = installlog.allKeys();
  56         QStringList dirList;
  57         installlog.endGroup();
  58
  59         // iterate over all entries
  60         for(int j =0; j < toDeleteList.size(); j++ )
  61         {
  62             // check if current file is in use by another section
  63             bool deleteFile = true;
  64             for(int s = 0; s < sections.size(); s++)
  65             {
  66                 installlog.beginGroup(sections.at(s));
  67                 if(installlog.contains(toDeleteList.at(j)))
  68                 {
  69                     deleteFile = false;
  70                     qDebug() << "file still in use:" << toDeleteList.at(j);
  71                 }
  72                 installlog.endGroup();
  73             }
  74
  75             installlog.beginGroup(uninstallSections.at(i));
  76             QFileInfo toDelete(m_mountpoint + "/" + toDeleteList.at(j));
  77             if(toDelete.isFile())  // if it is a file remove it
  78             {
  79                 if(deleteFile && !QFile::remove(toDelete.filePath()))
  80                     emit logItem(tr("Could not delete %1")
  81                           .arg(toDelete.filePath()), LOGWARNING);
  82                 installlog.remove(toDeleteList.at(j));
  83                 qDebug() << "deleted: " << toDelete.filePath() ;
  84             }
  85             else  // if it is a dir, remember it for later deletion
  86             {
  87                 // no need to keep track on folders still in use -- only empty
  88                 // folders will be rm'ed.
  89                 dirList << toDeleteList.at(j);
  90             }
  91             installlog.endGroup();
  92             QCoreApplication::processEvents();
  93         }
  94         // delete the dirs
  95         installlog.beginGroup(uninstallSections.at(i));
  96         for(int j=0; j < dirList.size(); j++ )
  97         {
  98             installlog.remove(dirList.at(j));
  99             QDir dir(m_mountpoint);
 100             dir.rmdir(dirList.at(j)); // rm works only on empty folders
 101         }
 102
 103         installlog.endGroup();
 104         //installlog.removeGroup(uninstallSections.at(i))
 105     }
 106     uninstallSections.clear();
 107     installlog.sync();
 108     emit logProgress(1, 1);
 109     emit logItem(tr("Uninstallation finished"), LOGOK);
 110     emit logFinished();
 111 }
 112
 113 QStringList Uninstaller::getAllSections()
 114 {
 115     QSettings installlog(m_mountpoint + "/.rockbox/rbutil.log", QSettings::IniFormat, 0);
 116     QStringList allSections = installlog.childGroups();
 117     allSections.removeAt(allSections.lastIndexOf("Bootloader"));
 118     return allSections;
 119 }
 120
 121
 122 bool Uninstaller::uninstallPossible()
 123 {
 124     return QFileInfo(m_mountpoint +"/.rockbox/rbutil.log").exists();
 125 }
 126