liblightdm-qt/power.cpp

   1 /*
   2  * Copyright (C) 2010-2011 David Edmundson
   3  * Copyright (C) 2010-2011 Robert Ancell
   4  * Author: David Edmundson <kde@davidedmundson.co.uk>
   5  *
   6  * This library is free software; you can redistribute it and/or modify it under
   7  * the terms of the GNU Lesser General Public License as published by the Free
   8  * Software Foundation; either version 2 or version 3 of the License.
   9  * See http://www.gnu.org/copyleft/lgpl.html the full text of the license.
  10  */
  11
  12
  13 #include "QLightDM/power.h"
  14
  15 #include <QtCore/QVariant>
  16 #include <QtDBus/QDBusInterface>
  17 #include <QtDBus/QDBusReply>
  18 #include <QDebug>
  19
  20 #include "config.h"
  21
  22 using namespace QLightDM;
  23
  24 class PowerInterface::PowerInterfacePrivate
  25 {
  26 public:
  27     PowerInterfacePrivate();
  28     QScopedPointer<QDBusInterface> powerManagementInterface;
  29     QScopedPointer<QDBusInterface> consoleKitInterface;
  30     QScopedPointer<QDBusInterface> login1Interface;
  31 };
  32
  33 PowerInterface::PowerInterfacePrivate::PowerInterfacePrivate() :
  34     powerManagementInterface(new QDBusInterface("org.freedesktop.UPower","/org/freedesktop/UPower", "org.freedesktop.UPower", QDBusConnection::systemBus())),
  35     consoleKitInterface(new QDBusInterface("org.freedesktop.ConsoleKit", "/org/freedesktop/ConsoleKit/Manager", "org.freedesktop.ConsoleKit.Manager", QDBusConnection::systemBus())),
  36     login1Interface(new QDBusInterface("org.freedesktop.login1", "/org/freedesktop/login1", "org.freedesktop.login1.Manager", QDBusConnection::systemBus()))
  37 {
  38 }
  39
  40
  41 PowerInterface::PowerInterface(QObject *parent)
  42     : QObject(parent),
  43       d(new PowerInterfacePrivate)
  44 {
  45 }
  46
  47 PowerInterface::~PowerInterface()
  48 {
  49     delete d;
  50 }
  51
  52 bool PowerInterface::canSuspend()
  53 {
  54     QDBusReply<bool> reply = d->powerManagementInterface->call("SuspendAllowed");
  55     if (reply.isValid()) {
  56         return reply.value();
  57     }
  58     else {
  59         return false;
  60     }
  61 }
  62
  63 bool PowerInterface::suspend()
  64 {
  65     QDBusReply<void> reply = d->powerManagementInterface->call("Suspend");
  66     return reply.isValid ();
  67 }
  68
  69 bool PowerInterface::canHibernate()
  70 {
  71     QDBusReply<bool> reply = d->powerManagementInterface->call("HibernateAllowed");
  72     if (reply.isValid()) {
  73         return reply.value();
  74     }
  75     else {
  76         return false;
  77     }
  78 }
  79
  80 bool PowerInterface::hibernate()
  81 {
  82     QDBusReply<void> reply = d->powerManagementInterface->call("Hibernate");
  83     return reply.isValid ();
  84 }
  85
  86 bool PowerInterface::canShutdown()
  87 {
  88     if (d->login1Interface->isValid()) {
  89         QDBusReply<QString> reply1 = d->login1Interface->call("CanPowerOff");
  90         if (reply1.isValid()) {
  91             return reply1.value() == "yes";
  92         }
  93     }
  94     qWarning() << d->login1Interface->lastError();
  95
  96     QDBusReply<bool> reply = d->consoleKitInterface->call("CanStop");
  97     if (reply.isValid()) {
  98         return reply.value();
  99     }
 100
 101     return false;
 102 }
 103
 104 bool PowerInterface::shutdown()
 105 {
 106     QDBusReply<void> reply;
 107     if (d->login1Interface->isValid())
 108         reply = d->login1Interface->call("PowerOff", false);
 109     else
 110         reply = d->consoleKitInterface->call("Stop");
 111     return reply.isValid();
 112 }
 113
 114 bool PowerInterface::canRestart()
 115 {
 116     if (d->login1Interface->isValid()) {
 117         QDBusReply<QString> reply1 = d->login1Interface->call("CanReboot");
 118         if (reply1.isValid()) {
 119             return reply1.value() == "yes";
 120         }
 121     }
 122     qWarning() << d->login1Interface->lastError();
 123
 124     QDBusReply<bool> reply = d->consoleKitInterface->call("CanRestart");
 125     if (reply.isValid()) {
 126         return reply.value();
 127     }
 128
 129     return false;
 130 }
 131
 132 bool PowerInterface::restart()
 133 {
 134     QDBusReply<void> reply;
 135     if (d->login1Interface->isValid())
 136         reply = d->login1Interface->call("Reboot", false);
 137     else
 138         reply = d->consoleKitInterface->call("Restart");
 139     return reply.isValid();
 140 }
 141
 142 #if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
 143 #include "power_moc5.cpp"
 144 #else
 145 #include "power_moc4.cpp"
 146 #endif