Lomiri
UsersModelPrivate.cpp
1 /*
2  * Copyright (C) 2013-2016 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 #include <unistd.h>
30 
31 namespace QLightDM
32 {
33 
34 UsersModelPrivate::UsersModelPrivate(UsersModel* parent)
35  : QObject(parent),
36  q_ptr(parent),
37  m_service(new AccountsServiceDBusAdaptor(this))
38 {
39  QFileInfo demoFile(QDir::homePath() + "/.lomiri-greeter-demo");
40  QString currentUser = g_get_user_name();
41  uid_t currentUid = getuid();
42 
43  if (demoFile.exists()) {
44  QSettings settings(demoFile.filePath(), QSettings::NativeFormat);
45  QStringList users = settings.value(QStringLiteral("users"), QStringList() << currentUser).toStringList();
46 
47  entries.reserve(users.count());
48  Q_FOREACH(const QString &user, users)
49  {
50  QString name = settings.value(user + "/name", user).toString();
51  entries.append({user, name, 0, 0, false, false, 0, 0, currentUid++});
52  }
53  } else {
54  entries.append({currentUser, 0, 0, 0, false, false, 0, 0, currentUid});
55 
56  connect(m_service, &AccountsServiceDBusAdaptor::maybeChanged,
57  this, [this](const QString &user) {
58  if (user == entries[0].username) {
59  updateName(true);
60  }
61  });
62  updateName(false);
63  }
64 }
65 
66 void UsersModelPrivate::updateName(bool async)
67 {
68  auto pendingReply = m_service->getUserPropertyAsync(entries[0].username,
69  QStringLiteral("org.freedesktop.Accounts.User"),
70  QStringLiteral("RealName"));
71  auto *watcher = new QDBusPendingCallWatcher(pendingReply, this);
72 
73  connect(watcher, &QDBusPendingCallWatcher::finished,
74  this, [this](QDBusPendingCallWatcher* watcher) {
75 
76  QDBusPendingReply<QVariant> reply = *watcher;
77  watcher->deleteLater();
78  if (reply.isError()) {
79  qWarning() << "Failed to get 'RealName' property - " << reply.error().message();
80  return;
81  }
82 
83  const QString realName = reply.value().toString();
84  if (entries[0].real_name != realName) {
85  entries[0].real_name = realName;
86  Q_EMIT dataChanged(0);
87  }
88  });
89  if (!async) {
90  watcher->waitForFinished();
91  }
92 }
93 
94 }