Unity 8
platform.cpp
1 /*
2  * Copyright (C) 2015 Canonical, Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 3.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 #include "platform.h"
18 
19 #include <QDBusConnection>
20 #include <QSet>
21 #include <QString>
22 
23 Platform::Platform(QObject *parent)
24  : QObject(parent), m_isPC(true), m_isMultiSession(true)
25 {
26  QMetaObject::invokeMethod(this, "init");
27 }
28 
29 void Platform::init()
30 {
31  QDBusInterface iface("org.freedesktop.hostname1", "/org/freedesktop/hostname1", "org.freedesktop.hostname1",
32  QDBusConnection::systemBus(), this);
33  QDBusInterface seatIface("org.freedesktop.login1", "/org/freedesktop/login1/seat/self", "org.freedesktop.login1.Seat",
34  QDBusConnection::systemBus(), this);
35 
36  // From the source at https://cgit.freedesktop.org/systemd/systemd/tree/src/hostname/hostnamed.c#n130
37  // "vm\0"
38  // "container\0"
39  // "desktop\0"
40  // "laptop\0"
41  // "server\0"
42  // "tablet\0"
43  // "handset\0"
44  // "watch\0"
45  // "embedded\0",
46  m_chassis = iface.property("Chassis").toString();
47 
48  // A PC is not a handset, tablet or watch.
49  m_isPC = !QSet<QString>{"handset", "tablet", "watch"}.contains(m_chassis);
50  m_isMultiSession = seatIface.property("CanMultiSession").toBool() && seatIface.property("CanGraphical").toBool();
51 }
52 
53 QString Platform::chassis() const
54 {
55  return m_chassis;
56 }
57 
58 bool Platform::isPC() const
59 {
60  return m_isPC;
61 }
62 
63 bool Platform::isMultiSession() const
64 {
65  return m_isMultiSession;
66 }
QString chassis
Definition: platform.h:36
bool isPC
Definition: platform.h:40
bool isMultiSession
Definition: platform.h:44