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> login1Interface;
  30 };
  31
  32 PowerInterface::PowerInterfacePrivate::PowerInterfacePrivate() :
  33     powerManagementInterface(new QDBusInterface("org.freedesktop.UPower","/org/freedesktop/UPower", "org.freedesktop.UPower", QDBusConnection::systemBus())),
  34     login1Interface(new QDBusInterface("org.freedesktop.login1", "/org/freedesktop/login1", "org.freedesktop.login1.Manager", QDBusConnection::systemBus()))
  35 {
  36 }
  37
  38
  39 PowerInterface::PowerInterface(QObject *parent)
  40     : QObject(parent),
  41       d(new PowerInterfacePrivate)
  42 {
  43 }
  44
  45 PowerInterface::~PowerInterface()
  46 {
  47     delete d;
  48 }
  49
  50 bool PowerInterface::canSuspend()
  51 {
  52     if (d->login1Interface->isValid())
  53     {
  54         QDBusReply<QString> reply = d->login1Interface->call("CanSuspend");
  55         if (reply.isValid())
  56         {
  57             return reply.value() == "yes";
  58         }
  59     }
  60
  61     qWarning() << d->login1Interface->lastError();
  62
  63     QDBusReply<bool> reply = d->powerManagementInterface->call("SuspendAllowed");
  64     if (reply.isValid()) {
  65         return reply.value();
  66     }
  67     else {
  68         return false;
  69     }
  70 }
  71
  72 bool PowerInterface::suspend()
  73 {
  74     QDBusReply<void> reply;
  75     if (d->login1Interface->isValid())
  76         reply = d->login1Interface->call("Suspend", false);
  77     else
  78         reply = d->powerManagementInterface->call("Suspend");
  79
  80     return reply.isValid ();
  81 }
  82
  83 bool PowerInterface::canHibernate()
  84 {
  85     if (d->login1Interface->isValid())
  86     {
  87         QDBusReply<QString> reply = d->login1Interface->call("CanHibernate");
  88         if (reply.isValid())
  89         {
  90             return reply.value() == "yes";
  91         }
  92     }
  93
  94     qWarning() << d->login1Interface->lastError();
  95
  96     QDBusReply<bool> reply = d->powerManagementInterface->call("HibernateAllowed");
  97     if (reply.isValid()) {
  98         return reply.value();
  99     }
 100     else {
 101         return false;
 102     }
 103 }
 104
 105 bool PowerInterface::hibernate()
 106 {
 107     QDBusReply<void> reply;
 108     if (d->login1Interface->isValid())
 109         reply = d->login1Interface->call("Hibernate", false);
 110     else
 111         reply = d->powerManagementInterface->call("Hibernate");
 112
 113     return reply.isValid ();
 114 }
 115
 116 bool PowerInterface::canShutdown()
 117 {
 118     QDBusReply<QString> reply1 = d->login1Interface->call("CanPowerOff");
 119     if (reply1.isValid()) {
 120         return reply1.value() == "yes";
 121     }
 122
 123     return false;
 124 }
 125
 126 bool PowerInterface::shutdown()
 127 {
 128     QDBusReply<void> reply;
 129     reply = d->login1Interface->call("PowerOff", false);
 130     return reply.isValid();
 131 }
 132
 133 bool PowerInterface::canRestart()
 134 {
 135     QDBusReply<QString> reply1 = d->login1Interface->call("CanReboot");
 136     if (reply1.isValid()) {
 137         return reply1.value() == "yes";
 138     }
 139
 140     return false;
 141 }
 142
 143 bool PowerInterface::restart()
 144 {
 145     QDBusReply<void> reply;
 146     reply = d->login1Interface->call("Reboot", false);
 147     return reply.isValid();
 148 }
 149
 150 #if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
 151 #include "power_moc5.cpp"
 152 #else
 153 #include "power_moc4.cpp"
 154 #endif