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unity8/plugins/Powerd/Powerd.h
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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 */
20#ifndef UNITY_POWERD_H
21#define UNITY_POWERD_H
23#include <gio/gio.h>
24#include <QtCore/QObject>
25#include <QtDBus/QDBusInterface>
27class Powerd: public QObject
29 Q_OBJECT
30 Q_ENUMS(Status)
31 Q_ENUMS(DisplayStateChangeReason)
32 Q_PROPERTY(Status status READ status NOTIFY statusChanged)
34public:
35 enum DisplayStateChangeReason {
36 Unknown = 0,
37 Inactivity = 1, // Display changed state due to inactivity
38 PowerKey = 2, // Display changed state due to user pressing power key
39 Proximity = 3, // Display changed state due to proximity events
40 Notification = 4, // Display changed state due to user notification
41 };
43 enum Status {
44 Off,
45 On,
46 };
48 explicit Powerd(QObject *parent = 0);
49 ~Powerd();
51 Status status() const;
53 // Not exposed via Q_PROPERTY because we need the 'reason' argument too
54 Q_INVOKABLE void setStatus(Status status, DisplayStateChangeReason reason);
56Q_SIGNALS:
57 void statusChanged(DisplayStateChangeReason reason);
59private Q_SLOTS:
60 void handleDisplayPowerStateChange(int status, int reason);
62private:
63 QDBusInterface *unityScreen;
64 GSettings *systemSettings;
65 Status cachedStatus;
66};
68#endif