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Powerd.h
1 /*
2  * Copyright (C) 2012,2013 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  * Authors: Gerry Boland <gerry.boland@canonical.com>
17  * Michael Terry <michael.terry@canonical.com>
18  */
19 
20 #ifndef UNITY_POWERD_H
21 #define UNITY_POWERD_H
22 
23 #include <gio/gio.h>
24 #include <QtCore/QObject>
25 #include <QtDBus/QDBusInterface>
26 
27 class Powerd: public QObject
28 {
29  Q_OBJECT
30  Q_ENUMS(Status)
31  Q_ENUMS(DisplayStateChangeReason)
32 
33 public:
34  enum DisplayStateChangeReason {
35  Unknown = 0,
36  Inactivity = 1, // Display changed state due to inactivity
37  PowerKey = 2, // Display changed state due to user pressing power key
38  Proximity = 3, // Display changed state due to proximity events
39  };
40 
41  enum Status {
42  Off,
43  On,
44  };
45 
46  explicit Powerd(QObject *parent = 0);
47  ~Powerd();
48 
49 Q_SIGNALS:
50  void displayPowerStateChange(int status, int reason);
51 
52 private:
53  QDBusInterface *unityScreen;
54  GSettings *systemSettings;
55 };
56 
57 #endif