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>

22void autoBrightnessChanged(GSettings *settings, const gchar *key, QDBusInterface *unityScreen)

23{

24 bool value = g_settings_get_boolean(settings, key);

25 unityScreen->asyncCall(QStringLiteral("userAutobrightnessEnable"), QVariant(value));

26}

28void activityTimeoutChanged(GSettings *settings, const gchar *key, QDBusInterface *unityScreen)

29{

30 int value = g_settings_get_uint(settings, key);

31 unityScreen->asyncCall(QStringLiteral("setInactivityTimeouts"), QVariant(value), QVariant(-1));

32}

34void dimTimeoutChanged(GSettings *settings, const gchar *key, QDBusInterface *unityScreen)

35{

36 int value = g_settings_get_uint(settings, key);

37 unityScreen->asyncCall(QStringLiteral("setInactivityTimeouts"), QVariant(-1), QVariant(value));

38}

40Powerd::Powerd(QObject* parent)

41 : QObject(parent),

42 unityScreen(nullptr),

43 cachedStatus(Status::On)

44{

45 unityScreen = new QDBusInterface(QStringLiteral("com.canonical.Unity.Screen"),

46 QStringLiteral("/com/canonical/Unity/Screen"),

47 QStringLiteral("com.canonical.Unity.Screen"),

48 QDBusConnection::SM_BUSNAME(), this);

50 unityScreen->connection().connect(QStringLiteral("com.canonical.Unity.Screen"),

51 QStringLiteral("/com/canonical/Unity/Screen"),

52 QStringLiteral("com.canonical.Unity.Screen"),

53 QStringLiteral("DisplayPowerStateChange"),

54 this,

55 SLOT(handleDisplayPowerStateChange(int, int)));

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

58 g_signal_connect(systemSettings, "changed::auto-brightness", G_CALLBACK(autoBrightnessChanged), unityScreen);

59 g_signal_connect(systemSettings, "changed::activity-timeout", G_CALLBACK(activityTimeoutChanged), unityScreen);

60 g_signal_connect(systemSettings, "changed::dim-timeout", G_CALLBACK(dimTimeoutChanged), unityScreen);

61 autoBrightnessChanged(systemSettings, "auto-brightness", unityScreen);

62 activityTimeoutChanged(systemSettings, "activity-timeout", unityScreen);

63 dimTimeoutChanged(systemSettings, "dim-timeout", unityScreen);

64}

66Powerd::~Powerd()

67{

68 g_signal_handlers_disconnect_by_data(systemSettings, unityScreen);

69 g_object_unref(systemSettings);

70}

72Powerd::Status Powerd::status() const

73{

74 return cachedStatus;

75}

77void Powerd::setStatus(Powerd::Status status, DisplayStateChangeReason reason)

78{

79 unityScreen->asyncCall(QStringLiteral("setScreenPowerMode"),

80 status == Powerd::On ? "on" : "off",

81 static_cast<qint32>(reason));

82}

84void Powerd::handleDisplayPowerStateChange(int status, int reason)

85{

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

87 cachedStatus = (Status)status;

88 Q_EMIT statusChanged((DisplayStateChangeReason)reason);

89 }

90}