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     if (d->login1Interface->isValid())
  55     {
  56         QDBusReply<QString> reply = d->login1Interface->call("CanSuspend");
  57         if (reply.isValid())
  58         {
  59             return reply.value() == "yes";
  60         }
  61     }
  62
  63     qWarning() << d->login1Interface->lastError();
  64
  65     QDBusReply<bool> reply = d->powerManagementInterface->call("SuspendAllowed");
  66     if (reply.isValid()) {
  67         return reply.value();
  68     }
  69     else {
  70         return false;
  71     }
  72 }
  73
  74 bool PowerInterface::suspend()
  75 {
  76     QDBusReply<void> reply;
  77     if (d->login1Interface->isValid())
  78         reply = d->login1Interface->call("Suspend", false);
  79     else
  80         reply = d->powerManagementInterface->call("Suspend");
  81
  82     return reply.isValid ();
  83 }
  84
  85 bool PowerInterface::canHibernate()
  86 {
  87     if (d->login1Interface->isValid())
  88     {
  89         QDBusReply<QString> reply = d->login1Interface->call("CanHibernate");
  90         if (reply.isValid())
  91         {
  92             return reply.value() == "yes";
  93         }
  94     }
  95
  96     qWarning() << d->login1Interface->lastError();
  97
  98     QDBusReply<bool> reply = d->powerManagementInterface->call("HibernateAllowed");
  99     if (reply.isValid()) {
 100         return reply.value();
 101     }
 102     else {
 103         return false;
 104     }
 105 }
 106
 107 bool PowerInterface::hibernate()
 108 {
 109     QDBusReply<void> reply;
 110     if (d->login1Interface->isValid())
 111         reply = d->login1Interface->call("Hibernate", false);
 112     else
 113         reply = d->powerManagementInterface->call("Hibernate");
 114
 115     return reply.isValid ();
 116 }
 117
 118 bool PowerInterface::canShutdown()
 119 {
 120     if (d->login1Interface->isValid()) {
 121         QDBusReply<QString> reply1 = d->login1Interface->call("CanPowerOff");
 122         if (reply1.isValid()) {
 123             return reply1.value() == "yes";
 124         }
 125     }
 126     qWarning() << d->login1Interface->lastError();
 127
 128     QDBusReply<bool> reply = d->consoleKitInterface->call("CanStop");
 129     if (reply.isValid()) {
 130         return reply.value();
 131     }
 132
 133     return false;
 134 }
 135
 136 bool PowerInterface::shutdown()
 137 {
 138     QDBusReply<void> reply;
 139     if (d->login1Interface->isValid())
 140         reply = d->login1Interface->call("PowerOff", false);
 141     else
 142         reply = d->consoleKitInterface->call("Stop");
 143     return reply.isValid();
 144 }
 145
 146 bool PowerInterface::canRestart()
 147 {
 148     if (d->login1Interface->isValid()) {
 149         QDBusReply<QString> reply1 = d->login1Interface->call("CanReboot");
 150         if (reply1.isValid()) {
 151             return reply1.value() == "yes";
 152         }
 153     }
 154     qWarning() << d->login1Interface->lastError();
 155
 156     QDBusReply<bool> reply = d->consoleKitInterface->call("CanRestart");
 157     if (reply.isValid()) {
 158         return reply.value();
 159     }
 160
 161     return false;
 162 }
 163
 164 bool PowerInterface::restart()
 165 {
 166     QDBusReply<void> reply;
 167     if (d->login1Interface->isValid())
 168         reply = d->login1Interface->call("Reboot", false);
 169     else
 170         reply = d->consoleKitInterface->call("Restart");
 171     return reply.isValid();
 172 }
 173
 174 #if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
 175 #include "power_moc5.cpp"
 176 #else
 177 #include "power_moc4.cpp"
 178 #endif