plugins/Powerd/Powerd.cpp · unity8

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unity8/plugins/Powerd/Powerd.cpp

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1/*

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 */

19#include "Powerd.h"

20#include <QDBusPendingCall>

21#include <QDBusConnection>

23void autoBrightnessChanged(GSettings *settings, const gchar *key, Powerd * instance)

24{

25 const bool value = g_settings_get_boolean(settings, key);

26 instance->performAsyncCall("userAutobrightnessEnable", {value});

27}

29void activityTimeoutChanged(GSettings *settings, const gchar *key, Powerd * instance)

30{

31 const int value = g_settings_get_int(settings, key);

32 instance->performAsyncCall("setInactivityTimeouts", {value, -1});

33}

35void dimTimeoutChanged(GSettings *settings, const gchar *key, Powerd * instance)

36{

37 const int value = g_settings_get_int(settings, key);

38 instance->performAsyncCall("setInactivityTimeouts", {-1, value});

39}

41Powerd::Powerd(QObject* parent)

42 : QObject(parent),

43 cachedStatus(Status::On)

44{

45 QDBusConnection::SM_BUSNAME().connect("com.canonical.Unity.Screen",

46 "/com/canonical/Unity/Screen",

47 "com.canonical.Unity.Screen",

48 "DisplayPowerStateChange",

49 this,

50 SLOT(handleDisplayPowerStateChange(int, int)));

52 systemSettings = g_settings_new("com.ubuntu.touch.system");

53 g_signal_connect(systemSettings, "changed::auto-brightness", G_CALLBACK(autoBrightnessChanged), this);

54 g_signal_connect(systemSettings, "changed::activity-timeout", G_CALLBACK(activityTimeoutChanged), this);

55 g_signal_connect(systemSettings, "changed::dim-timeout", G_CALLBACK(dimTimeoutChanged), this);

56 autoBrightnessChanged(systemSettings, "auto-brightness", this);

57 activityTimeoutChanged(systemSettings, "activity-timeout", this);

58 dimTimeoutChanged(systemSettings, "dim-timeout", this);

59}

61Powerd::~Powerd()

62{

63 g_signal_handlers_disconnect_by_data(systemSettings, this);

64 g_object_unref(systemSettings);

65}

67Powerd::Status Powerd::status() const

68{

69 return cachedStatus;

70}

72void Powerd::handleDisplayPowerStateChange(int status, int reason)

73{

74 if (cachedStatus != (Status)status) {

75 cachedStatus = (Status)status;

76 Q_EMIT statusChanged((DisplayStateChangeReason)reason);

77 }

78}

80void Powerd::performAsyncCall(const QString &method, const QVariantList &args)

81{

82 QDBusMessage msg = QDBusMessage::createMethodCall("com.canonical.Unity.Screen",

83 "/com/canonical/Unity/Screen",

84 "com.canonical.Unity.Screen",

85 method);

86 msg.setArguments(args);

87 QDBusConnection::SM_BUSNAME().asyncCall(msg);

88}