plugins/Wizard/System.cpp · unity8

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unity8/plugins/Wizard/System.cpp

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1/*

3 *

4 * This program is free software: you can redistribute it and/or modify it

5 * under the terms of the GNU General Public License version 3, as published

6 * by the Free Software Foundation.

7 *

8 * This program is distributed in the hope that it will be useful, but

9 * WITHOUT ANY WARRANTY; without even the implied warranties of

10 * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR

11 * PURPOSE. See the GNU General Public License for more details.

12 *

13 * You should have received a copy of the GNU General Public License along

14 * with this program. If not, see <http://www.gnu.org/licenses/>.

15 */

17#include "System.h"

19#include <QDBusInterface>

20#include <QDBusMetaType>

21#include <QDir>

22#include <QFile>

23#include <QLocale>

24#include <QMap>

25#include <QProcess>

27System::System()

28 : QObject(),

29 m_fsWatcher()

30{

31 // Register the argument needed for UpdateActivationEnvironment below

32 qDBusRegisterMetaType<QMap<QString,QString>>();

34 if(!wizardEnabled()) {

35 m_fsWatcher.addPath(wizardEnabledPath());

36 }

37 connect(&m_fsWatcher, SIGNAL(fileChanged(const QString &)),

38 this, SLOT(watcherFileChanged()));

39}

41QString System::wizardEnabledPath()

42{

43 // Uses ubuntu-system-settings namespace for historic compatibility reasons

44 return QDir::home().filePath(".config/ubuntu-system-settings/wizard-has-run");

45}

47bool System::wizardEnabled() const

48{

49 return !QFile::exists(wizardEnabledPath());

50}

52void System::setWizardEnabled(bool enabled)

53{

54 if (wizardEnabled() == enabled)

55 return;

57 if (enabled) {

58 QFile::remove(wizardEnabledPath());

59 } else {

60 QDir(wizardEnabledPath()).mkpath("..");

61 QFile(wizardEnabledPath()).open(QIODevice::WriteOnly);

62 m_fsWatcher.addPath(wizardEnabledPath());

63 Q_EMIT wizardEnabledChanged();

64 }

65}

67void System::watcherFileChanged()

68{

69 Q_EMIT wizardEnabledChanged();

70 m_fsWatcher.removePath(wizardEnabledPath());

71}

73void System::setSessionVariable(const QString &variable, const QString &value)

74{

75 // We need to update both upstart's and DBus's environment

76 QProcess::execute(QString("initctl set-env --global %1=%2").arg(variable, value));

78 QDBusInterface iface("org.freedesktop.DBus",

79 "/org/freedesktop/DBus",

80 "org.freedesktop.DBus",

81 QDBusConnection::sessionBus());

83 QMap<QString,QString> valueMap;

84 valueMap.insert(variable, value);

85 iface.call("UpdateActivationEnvironment", QVariant::fromValue(valueMap));

86}

88void System::updateSessionLanguage(const QString &locale)

89{

90 QString language = locale.split(".")[0];

92 setSessionVariable("LANGUAGE", language);

93 setSessionVariable("LANG", locale);

94 setSessionVariable("LC_ALL", locale);

96 // QLocale caches the default locale on startup, and Qt uses that cached

97 // copy when formatting dates. So manually update it here.

98 QLocale::setDefault(QLocale(locale));

100 // Restart bits of the session to pick up new language.

101 QProcess::startDetached("sh -c \"initctl emit indicator-services-end; \

102 initctl stop scope-registry; \

103 initctl stop smart-scopes-proxy; \

104 initctl emit --no-wait indicator-services-start; \

105 initctl restart --no-wait maliit-server; \

106 initctl restart --no-wait unity8-dash\"");

107}