Lomiri
Powerd.cpp
1 /*
2  * Copyright (C) 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  * Author: Michael Terry <michael.terry@canonical.com>
17  */
18 
19 #include "Powerd.h"
20 #include <QDBusPendingCall>
21 
22 void autoBrightnessChanged(GSettings *settings, const gchar *key, QDBusInterface *lomiriScreen)
23 {
24  bool value = g_settings_get_boolean(settings, key);
25  lomiriScreen->asyncCall(QStringLiteral("userAutobrightnessEnable"), QVariant(value));
26 }
27 
28 void activityTimeoutChanged(GSettings *settings, const gchar *key, QDBusInterface *lomiriScreen)
29 {
30  int value = g_settings_get_uint(settings, key);
31  lomiriScreen->asyncCall(QStringLiteral("setInactivityTimeouts"), QVariant(value), QVariant(-1));
32 }
33 
34 void dimTimeoutChanged(GSettings *settings, const gchar *key, QDBusInterface *lomiriScreen)
35 {
36  int value = g_settings_get_uint(settings, key);
37  lomiriScreen->asyncCall(QStringLiteral("setInactivityTimeouts"), QVariant(-1), QVariant(value));
38 }
39 
40 void doubleTapToWakeChanged(GSettings *settings, const gchar *key, QDBusInterface *lomiriScreen)
41 {
42  bool value = g_settings_get_boolean(settings, key);
43  lomiriScreen->asyncCall(QStringLiteral("setDoubleTapToWakeEnabled"), QVariant(value));
44 }
45 
46 Powerd::Powerd(QObject* parent)
47  : QObject(parent),
48  lomiriScreen(nullptr),
49  cachedStatus(Status::On)
50 {
51  lomiriScreen = new QDBusInterface(QStringLiteral("com.canonical.Unity.Screen"),
52  QStringLiteral("/com/canonical/Unity/Screen"),
53  QStringLiteral("com.canonical.Unity.Screen"),
54  QDBusConnection::SM_BUSNAME(), this);
55 
56  lomiriScreen->connection().connect(QStringLiteral("com.canonical.Unity.Screen"),
57  QStringLiteral("/com/canonical/Unity/Screen"),
58  QStringLiteral("com.canonical.Unity.Screen"),
59  QStringLiteral("DisplayPowerStateChange"),
60  this,
61  SLOT(handleDisplayPowerStateChange(int, int)));
62 
63  systemSettings = g_settings_new("com.lomiri.touch.system");
64  g_signal_connect(systemSettings, "changed::auto-brightness", G_CALLBACK(autoBrightnessChanged), lomiriScreen);
65  g_signal_connect(systemSettings, "changed::activity-timeout", G_CALLBACK(activityTimeoutChanged), lomiriScreen);
66  g_signal_connect(systemSettings, "changed::dim-timeout", G_CALLBACK(dimTimeoutChanged), lomiriScreen);
67  g_signal_connect(systemSettings, "changed::double-tap-to-wake", G_CALLBACK(doubleTapToWakeChanged), lomiriScreen);
68  autoBrightnessChanged(systemSettings, "auto-brightness", lomiriScreen);
69  activityTimeoutChanged(systemSettings, "activity-timeout", lomiriScreen);
70  dimTimeoutChanged(systemSettings, "dim-timeout", lomiriScreen);
71  doubleTapToWakeChanged(systemSettings, "double-tap-to-wake", lomiriScreen);
72 }
73 
74 Powerd::~Powerd()
75 {
76  g_signal_handlers_disconnect_by_data(systemSettings, lomiriScreen);
77  g_object_unref(systemSettings);
78 }
79 
80 Powerd::Status Powerd::status() const
81 {
82  return cachedStatus;
83 }
84 
85 void Powerd::setStatus(Powerd::Status status, DisplayStateChangeReason reason)
86 {
87  lomiriScreen->asyncCall(QStringLiteral("setScreenPowerMode"),
88  status == Powerd::On ? "on" : "off",
89  static_cast<qint32>(reason));
90 }
91 
92 void Powerd::handleDisplayPowerStateChange(int status, int reason)
93 {
94  if (cachedStatus != (Status)status) {
95  cachedStatus = (Status)status;
96  Q_EMIT statusChanged((DisplayStateChangeReason)reason);
97  }
98 }