Unity 8
UsersModelPrivate.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 "UsersModelPrivate.h"
20 
21 #include "AccountsServiceDBusAdaptor.h"
22 #include "UsersModel.h"
23 
24 #include <glib.h>
25 #include <QDebug>
26 #include <QDir>
27 #include <QSettings>
28 #include <QStringList>
29 
30 namespace QLightDM
31 {
32 
33 UsersModelPrivate::UsersModelPrivate(UsersModel* parent)
34  : QObject(parent),
35  q_ptr(parent),
36  m_service(new AccountsServiceDBusAdaptor(this))
37 {
38  QFileInfo demoFile(QDir::homePath() + "/.unity8-greeter-demo");
39  QString currentUser = g_get_user_name();
40 
41  if (demoFile.exists()) {
42  QSettings settings(demoFile.filePath(), QSettings::NativeFormat);
43  QStringList users = settings.value(QStringLiteral("users"), QStringList() << currentUser).toStringList();
44 
45  entries.reserve(users.count());
46  Q_FOREACH(const QString &user, users)
47  {
48  QString name = settings.value(user + "/name", user).toString();
49  entries.append({user, name, 0, 0, false, false, 0, 0});
50  }
51  } else {
52  entries.append({currentUser, 0, 0, 0, false, false, 0, 0});
53 
54  connect(m_service, &AccountsServiceDBusAdaptor::maybeChanged,
55  this, [this](const QString &user) {
56  if (user == entries[0].username) {
57  updateName(true);
58  }
59  });
60  updateName(false);
61  }
62 }
63 
64 void UsersModelPrivate::updateName(bool async)
65 {
66  auto pendingReply = m_service->getUserPropertyAsync(entries[0].username,
67  QStringLiteral("org.freedesktop.Accounts.User"),
68  QStringLiteral("RealName"));
69  auto *watcher = new QDBusPendingCallWatcher(pendingReply, this);
70 
71  connect(watcher, &QDBusPendingCallWatcher::finished,
72  this, [this](QDBusPendingCallWatcher* watcher) {
73 
74  QDBusPendingReply<QVariant> reply = *watcher;
75  watcher->deleteLater();
76  if (reply.isError()) {
77  qWarning() << "Failed to get 'RealName' property - " << reply.error().message();
78  return;
79  }
80 
81  const QString realName = reply.value().toString();
82  if (entries[0].real_name != realName) {
83  entries[0].real_name = realName;
84  Q_EMIT dataChanged(0);
85  }
86  });
87  if (!async) {
88  watcher->waitForFinished();
89  }
90 }
91 
92 }