runtime/phonon/kcm/deviceuids_update.cpp

   1 /*  This file is part of the KDE project
   2     Copyright (C) 2008 Matthias Kretz <kretz@kde.org>
   3
   4     This program is free software; you can redistribute it and/or
   5     modify it under the terms of the GNU Library General Public
   6     License as published by the Free Software Foundation; either
   7     version 2 of the License, or (at your option) version 3.
   8
   9     This library 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 GNU
  12     Library General Public License for more details.
  13
  14     You should have received a copy of the GNU Library General Public License
  15     along with this library; see the file COPYING.LIB.  If not, write to
  16     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17     Boston, MA 02110-1301, USA.
  18
  19 */
  20
  21 #include <QtCore/QCoreApplication>
  22 #include <kcomponentdata.h>
  23 #include <kdebug.h>
  24 #include <kconfig.h>
  25 #include <kconfiggroup.h>
  26
  27 int main(int argc, char **argv)
  28 {
  29     QCoreApplication app(argc, argv);
  30     KComponentData cData("phonon device uids update");
  31
  32     // Things to update:
  33     // 1. change group names from
  34     //    Audio{Capture,Output}Device_<bus>:<numbers>:{capture,playback}:{alsa,oss}:<devicenum>
  35     //    to
  36     //    AudioDevice_<bus>:<numbers>:<devicenum>:{capture,playback}
  37     // 2. make indexes negative
  38     // 3. remove playbackDevice/captureDevice keys
  39     // 4. remove udi key
  40     // 5. remove driver key
  41     // 6. add deviceNumber key
  42     KConfig kconfig("phonondevicesrc", KConfig::SimpleConfig);
  43     KConfigGroup globalGroup(&kconfig, "Globals");
  44     int nextIndex = globalGroup.readEntry("nextIndex", 1);
  45
  46     const QStringList &oldGroupList = kconfig.groupList();
  47     foreach (const QString &group, oldGroupList) {
  48         if (group == "Globals") {
  49             continue;
  50         }
  51         if (group.startsWith(QLatin1String("front:")) || group.startsWith(QLatin1String("iec958:"))) {
  52             kconfig.deleteGroup(group);
  53             continue;
  54         }
  55
  56         KConfigGroup configGroup(&kconfig, group);
  57
  58         const QString &cardName = configGroup.readEntry("cardName", QString());
  59         const QString &icon = configGroup.readEntry("icon", QString());
  60         const int initialPreference = configGroup.readEntry("initialPreference", 0);
  61         const bool isAdvanced = configGroup.readEntry("isAdvanced", true);
  62
  63         int index = configGroup.readEntry("index", 0);
  64         if (index <= 0) {
  65             kError() << "invalid old index found";
  66         } else {
  67             index *= -1;
  68         }
  69         QString newGroup;
  70         int deviceNumber = -1;
  71
  72         if (group.startsWith(QLatin1String("AudioOutputDevice_"))) {
  73             const QString &deviceNumberString = group.right(group.length() - group.lastIndexOf(QLatin1Char(':')) - 1);
  74             bool ok = false;
  75             deviceNumber = deviceNumberString.toInt(&ok);
  76             if (!ok) {
  77                 // It's probably a fallback UniqueID. Let's get rid of it.
  78                 kconfig.deleteGroup(group);
  79                 continue;
  80             }
  81             newGroup = QLatin1String("AudioDevice_") +
  82                 group.mid(18, group.indexOf(QLatin1String(":playback")) - 17) +
  83                 deviceNumberString + QLatin1String(":playback");
  84         } else if (group.startsWith(QLatin1String("AudioCaptureDevice_"))) {
  85             const QString &deviceNumberString = group.right(group.length() - group.lastIndexOf(QLatin1Char(':')) - 1);
  86             bool ok = false;
  87             deviceNumber = deviceNumberString.toInt(&ok);
  88             if (!ok) {
  89                 // It's probably a fallback UniqueID. Let's get rid of it.
  90                 kconfig.deleteGroup(group);
  91                 continue;
  92             }
  93             newGroup = QLatin1String("AudioDevice_") +
  94                 group.mid(19, group.indexOf(QLatin1String(":capture")) - 18) +
  95                 deviceNumberString + QLatin1String(":capture");
  96         } else if (group.startsWith(QLatin1String("AudioIODevice_"))) {
  97             /*
  98              * OSS Device entry, on Linux already covered by ALSA, so we skip it if an ALSA device
  99              * for this existed.
 100              */
 101             if (oldGroupList.indexOf(QRegExp(QLatin1String("^Audio(Capture|Output)Device_") +
 102                             group.mid(14, group.indexOf(QLatin1String(":both")) - 14) +
 103                             QLatin1String(":(capture|playback):alsa:\\d+$"))) > -1) {
 104                 kconfig.deleteGroup(group);
 105                 continue;
 106             }
 107             const QString &deviceNumberString = group.right(group.length() - group.lastIndexOf(QLatin1Char(':')) - 1);
 108             bool ok = false;
 109             deviceNumber = deviceNumberString.toInt(&ok);
 110             if (!ok) {
 111                 // It's probably a fallback UniqueID. Let's get rid of it.
 112                 kconfig.deleteGroup(group);
 113                 continue;
 114             }
 115             newGroup = QLatin1String("AudioDevice_") +
 116                 group.mid(19, group.indexOf(QLatin1String(":both")) - 18) + deviceNumberString;
 117
 118             {
 119                 KConfigGroup newConfigGroup(&kconfig, newGroup + QLatin1String(":playback"));
 120                 newConfigGroup.writeEntry("cardName", cardName);
 121                 newConfigGroup.writeEntry("iconName", icon);
 122                 newConfigGroup.writeEntry("initialPreference", initialPreference);
 123                 newConfigGroup.writeEntry("isAdvanced", isAdvanced);
 124                 newConfigGroup.writeEntry("index", index);
 125                 newConfigGroup.writeEntry("deviceNumber", deviceNumber);
 126             } {
 127                 KConfigGroup newConfigGroup(&kconfig, newGroup + QLatin1String(":capture"));
 128                 newConfigGroup.writeEntry("cardName", cardName);
 129                 newConfigGroup.writeEntry("iconName", icon);
 130                 newConfigGroup.writeEntry("initialPreference", initialPreference);
 131                 newConfigGroup.writeEntry("isAdvanced", isAdvanced);
 132                 newConfigGroup.writeEntry("index", -(nextIndex++));
 133                 newConfigGroup.writeEntry("deviceNumber", deviceNumber);
 134             }
 135             kconfig.deleteGroup(group);
 136             continue;
 137         } else {
 138             kWarning() << "found unknown/unhandled group:" << group << ". Removing.";
 139             kconfig.deleteGroup(group);
 140             continue;
 141         }
 142         KConfigGroup newConfigGroup(&kconfig, newGroup);
 143         newConfigGroup.writeEntry("cardName", cardName);
 144         newConfigGroup.writeEntry("iconName", icon);
 145         newConfigGroup.writeEntry("initialPreference", initialPreference);
 146         newConfigGroup.writeEntry("isAdvanced", isAdvanced);
 147         newConfigGroup.writeEntry("index", index);
 148         newConfigGroup.writeEntry("deviceNumber", deviceNumber);
 149         kconfig.deleteGroup(group);
 150     }
 151
 152     globalGroup.writeEntry("nextIndex", nextIndex);
 153
 154     return 0;
 155 }