git.iko.soy/unity8
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unity8/plugins/Wizard/System.cpp
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1/*
2 * Copyright (C) 2014 Canonical Ltd.
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 <QDBusPendingCall>
20#include <QDBusMessage>
21#include <QDBusConnection>
22#include <QDBusMetaType>
23#include <QDir>
24#include <QFile>
25#include <QLocale>
26#include <QMap>
27#include <QProcess>
29System::System()
30 : QObject(),
31 m_fsWatcher()
33 // Register the argument needed for UpdateActivationEnvironment below
34 qDBusRegisterMetaType<QMap<QString,QString>>();
36 if(!wizardEnabled()) {
37 m_fsWatcher.addPath(wizardEnabledPath());
38 }
39 connect(&m_fsWatcher, SIGNAL(fileChanged(const QString &)),
40 this, SLOT(watcherFileChanged()));
43QString System::wizardEnabledPath()
45 // Uses ubuntu-system-settings namespace for historic compatibility reasons
46 return QDir::home().filePath(".config/ubuntu-system-settings/wizard-has-run");
49bool System::wizardEnabled() const
51 return !QFile::exists(wizardEnabledPath());
54void System::setWizardEnabled(bool enabled)
56 if (wizardEnabled() == enabled)
57 return;
59 if (enabled) {
60 QFile::remove(wizardEnabledPath());
61 } else {
62 QDir(wizardEnabledPath()).mkpath("..");
63 QFile(wizardEnabledPath()).open(QIODevice::WriteOnly);
64 m_fsWatcher.addPath(wizardEnabledPath());
65 Q_EMIT wizardEnabledChanged();
66 }
69void System::watcherFileChanged()
71 Q_EMIT wizardEnabledChanged();
72 m_fsWatcher.removePath(wizardEnabledPath());
75void System::setSessionVariable(const QString &variable, const QString &value)
77 // We need to update both upstart's and DBus's environment
78 QProcess::startDetached(QStringLiteral("initctl set-env --global %1=%2").arg(variable, value));
80 QMap<QString,QString> valueMap;
81 valueMap.insert(variable, value);
83 QDBusMessage msg = QDBusMessage::createMethodCall("org.freedesktop.DBus",
84 "/org/freedesktop/DBus",
85 "org.freedesktop.DBus",
86 "UpdateActivationEnvironment");
88 msg << QVariant::fromValue(valueMap);
89 QDBusConnection::sessionBus().asyncCall(msg);
92void System::updateSessionLanguage(const QString &locale)
94 const QString language = locale.split(".")[0];
96 setSessionVariable("LANGUAGE", language);
97 setSessionVariable("LANG", locale);
98 setSessionVariable("LC_ALL", locale);
100 // QLocale caches the default locale on startup, and Qt uses that cached
101 // copy when formatting dates. So manually update it here.
102 QLocale::setDefault(QLocale(locale));
104 // Restart bits of the session to pick up new language.
105 QProcess::startDetached("sh -c \"initctl emit indicator-services-end; \
106 initctl stop scope-registry; \
107 initctl stop smart-scopes-proxy; \
108 initctl emit --no-wait indicator-services-start; \
109 initctl restart --no-wait maliit-server; \
110 initctl restart --no-wait unity8-dash\"");