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(ProgressloggerInterface* dp)
  30 {
  31     m_dp = dp;
  32     QString rbdir(m_mountpoint + ".rockbox/");
  33     m_dp->addItem(tr("Starting Uninstallation"),LOGINFO);
  34     m_dp->setProgressMax(0);
  35     recRmdir(rbdir);
  36     m_dp->setProgressMax(1);
  37     m_dp->setProgressValue(1);
  38     m_dp->addItem(tr("Finished Uninstallation"),LOGOK);
  39     m_dp->setFinished();
  40 }
  41
  42 void Uninstaller::uninstall(ProgressloggerInterface* dp)
  43 {
  44     m_dp = dp;
  45     m_dp->setProgressMax(0);
  46     m_dp->addItem(tr("Starting Uninstallation"),LOGINFO);
  47
  48     QSettings installlog(m_mountpoint + "/.rockbox/rbutil.log", QSettings::IniFormat, this);
  49
  50     for(int i=0; i< uninstallSections.size() ; i++)
  51     {
  52         m_dp->addItem(tr("Uninstalling %1...").arg(uninstallSections.at(i)), LOGINFO);
  53         QCoreApplication::processEvents();
  54         // create list of all other install sections
  55         QStringList sections = installlog.childGroups();
  56         sections.removeAt(sections.indexOf(uninstallSections.at(i)));
  57         installlog.beginGroup(uninstallSections.at(i));
  58         QStringList toDeleteList = installlog.allKeys();
  59         QStringList dirList;
  60         installlog.endGroup();
  61
  62         // iterate over all entries
  63         for(int j =0; j < toDeleteList.size(); j++ )
  64         {
  65             // check if current file is in use by another section
  66             bool deleteFile = true;
  67             for(int s = 0; s < sections.size(); s++)
  68             {
  69                 installlog.beginGroup(sections.at(s));
  70                 if(installlog.contains(toDeleteList.at(j)))
  71                 {
  72                     deleteFile = false;
  73                     qDebug() << "file still in use:" << toDeleteList.at(j);
  74                 }
  75                 installlog.endGroup();
  76             }
  77
  78             installlog.beginGroup(uninstallSections.at(i));
  79             QFileInfo toDelete(m_mountpoint + "/" + toDeleteList.at(j));
  80             if(toDelete.isFile())  // if it is a file remove it
  81             {
  82                 if(deleteFile && !QFile::remove(toDelete.filePath()))
  83                     m_dp->addItem(tr("Could not delete %1")
  84                           .arg(toDelete.filePath()),LOGWARNING);
  85                 installlog.remove(toDeleteList.at(j));
  86                 qDebug() << "deleted: " << toDelete.filePath() ;
  87             }
  88             else  // if it is a dir, remember it for later deletion
  89             {
  90                 // no need to keep track on folders still in use -- only empty
  91                 // folders will be rm'ed.
  92                 dirList << toDeleteList.at(j);
  93             }
  94             installlog.endGroup();
  95             QCoreApplication::processEvents();
  96         }
  97         // delete the dirs
  98         installlog.beginGroup(uninstallSections.at(i));
  99         for(int j=0; j < dirList.size(); j++ )
 100         {
 101             installlog.remove(dirList.at(j));
 102             QDir dir(m_mountpoint);
 103             dir.rmdir(dirList.at(j)); // rm works only on empty folders
 104         }
 105
 106         installlog.endGroup();
 107         //installlog.removeGroup(uninstallSections.at(i))
 108     }
 109     uninstallSections.clear();
 110     installlog.sync();
 111     m_dp->setProgressMax(1);
 112     m_dp->setProgressValue(1);
 113     m_dp->addItem(tr("Uninstallation finished"),LOGOK);
 114     m_dp->setFinished();
 115 }
 116
 117 QStringList Uninstaller::getAllSections()
 118 {
 119     QSettings installlog(m_mountpoint + "/.rockbox/rbutil.log", QSettings::IniFormat, 0);
 120     QStringList allSections = installlog.childGroups();
 121     allSections.removeAt(allSections.lastIndexOf("Bootloader"));
 122     return allSections;
 123 }
 124
 125
 126 bool Uninstaller::uninstallPossible()
 127 {
 128     return QFileInfo(m_mountpoint +"/.rockbox/rbutil.log").exists();
 129 }
 130