Unity 8
SessionsModel.h
1 /*
2  * Copyright (C) 2015 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  */
17 
18 #ifndef UNITY_SESSIONSMODEL_H
19 #define UNITY_SESSIONSMODEL_H
20 
21 #include <unitysortfilterproxymodelqml.h>
22 #include <QLightDM/SessionsModel>
23 #include <QtCore/QHash>
24 #include <QtCore/QObject>
25 #include <QtCore/QUrl>
26 
27 class SessionsModel : public UnitySortFilterProxyModelQML
28 {
29  Q_OBJECT
30 
31  Q_ENUMS(SessionModelRoles)
32 
33  Q_PROPERTY(QList<QUrl> iconSearchDirectories READ iconSearchDirectories
34  WRITE setIconSearchDirectories NOTIFY iconSearchDirectoriesChanged)
35 Q_SIGNALS:
36  void iconSearchDirectoriesChanged();
37 
38 public:
39  enum SessionModelRoles {
40  /* This is tricky / ugly. Since we are ultimately chaining 3 enums together,
41  * the _first_ value of this enum MUST be the _last_ value of
42  * QLightDM::SessionsModel::SessionModelRoles and consquently, this must
43  * also match the last value in the corresponding enum of the integrated lib
44  */
45  TypeRole = QLightDM::SessionsModel::SessionModelRoles::TypeRole,
46  IconRole
47  };
48 
49  explicit SessionsModel(QObject* parent=nullptr);
50 
51  QHash<int, QByteArray> roleNames() const override;
52  int rowCount(const QModelIndex& parent) const override;
53  QVariant data(const QModelIndex& index, int role) const override;
54  QList<QUrl> iconSearchDirectories() const;
55  Q_INVOKABLE QUrl iconUrl(const QString sessionName) const;
56 
57  void setIconSearchDirectories(const QList<QUrl> searchDirectories);
58 private:
59  QLightDM::SessionsModel* m_model;
60  QHash<int, QByteArray> m_roleNames;
61  QList<QUrl> m_iconSearchDirectories{
62  QUrl("/usr/share/unity8/Greeter/graphics/session_icons"),
63  QUrl("/usr/local/share/unity-greeter"),
64  QUrl("/usr/share/unity-greeter/")};
65 
66 };
67 
68 #endif // UNITY_SESSIONSMODEL_H