workspace/plasma/dataengines/hotplug/hotplugengine.cpp

   1 /*
   2  *   Copyright (C) 2007 Menard Alexis <darktears31@gmail.com>
   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) 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 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 #include "hotplugengine.h"
  21
  22 #include <KConfigGroup>
  23 #include <KDebug>
  24 #include <KLocale>
  25 #include <KStandardDirs>
  26 #include <KDesktopFile>
  27 #include <Plasma/DataContainer>
  28
  29 //solid specific includes
  30 #include <solid/devicenotifier.h>
  31 #include <solid/device.h>
  32 #include <solid/deviceinterface.h>
  33 #include <solid/predicate.h>
  34
  35
  36
  37 HotplugEngine::HotplugEngine(QObject* parent, const QVariantList& args)
  38     : Plasma::DataEngine(parent, args)
  39 {
  40     Q_UNUSED(args)
  41     files = KGlobal::dirs()->findAllResources("data", "solid/actions/");
  42
  43     foreach (const Solid::Device &dev, Solid::Device::allDevices()) {
  44         onDeviceAdded(dev.udi());
  45     }
  46
  47     connect(Solid::DeviceNotifier::instance(), SIGNAL(deviceAdded(const QString &)),
  48             this, SLOT(onDeviceAdded(const QString &)));
  49     connect(Solid::DeviceNotifier::instance(), SIGNAL(deviceRemoved(const QString &)),
  50             this, SLOT(onDeviceRemoved(const QString &)));
  51 }
  52
  53 HotplugEngine::~HotplugEngine()
  54 {
  55
  56 }
  57
  58 void HotplugEngine::onDeviceAdded(const QString &udi)
  59 {
  60     bool new_device = false;
  61     Solid::Device device(udi);
  62
  63     QStringList interestingDesktopFiles;
  64     //search in all desktop configuration file if the device inserted is a correct device
  65     foreach (const QString &path, files) {
  66         KDesktopFile cfg(path);
  67         QString string_predicate = cfg.desktopGroup().readEntry("X-KDE-Solid-Predicate");
  68         //kDebug()<<string_predicate;
  69         Solid::Predicate predicate = Solid::Predicate::fromString(string_predicate);
  70         if (predicate.matches(device)) {
  71             new_device=true;
  72             interestingDesktopFiles<<KUrl(path).fileName();
  73         }
  74     }
  75
  76     if (new_device) {
  77         //kDebug()<<device.product();
  78         //kDebug()<<device.vendor();
  79         //kDebug()<< "number of interesting desktop file : " << interestingDesktopFiles.size();
  80         setData(udi, "added", true);
  81         setData(udi, "udi", device.udi());
  82
  83         if (device.vendor().length()==0) {
  84             setData(udi, "text", device.product());
  85         } else {
  86             setData(udi, "text", device.vendor() + ' ' + device.product());
  87         }
  88         setData(udi, "icon", device.icon());
  89         setData(udi, "predicateFiles", interestingDesktopFiles);
  90
  91         kDebug() << "add hardware solid : " << udi;
  92         scheduleSourcesUpdated();
  93     }
  94 }
  95
  96 void HotplugEngine::onDeviceRemoved(const QString &udi)
  97 {
  98     removeSource(udi);
  99
 100     kDebug() << "remove hardware solid : " << udi;
 101
 102     scheduleSourcesUpdated();
 103 }
 104
 105 #include "hotplugengine.moc"