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