Unity 8
indicatorsmanager.h
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: Nick Dedekind <nick.dedekind@canonical.com>
17  */
18 
19 #ifndef INDICATORS_MANAGER_H
20 #define INDICATORS_MANAGER_H
21 
22 #include "indicator.h"
23 #include "unityindicatorsglobal.h"
24 #include "../Platform/platform.h"
25 
26 #include <QObject>
27 #include <QFileSystemWatcher>
28 #include <QDir>
29 #include <QHash>
30 #include <QSharedPointer>
31 
32 class UNITYINDICATORS_EXPORT IndicatorsManager : public QObject
33 {
34  Q_OBJECT
35  Q_PROPERTY(bool loaded READ isLoaded NOTIFY loadedChanged)
36  Q_PROPERTY(QString profile READ profile WRITE setProfile NOTIFY profileChanged)
37 public:
38  explicit IndicatorsManager(QObject* parent = nullptr);
39  ~IndicatorsManager();
40 
41  Q_INVOKABLE void load();
42  Q_INVOKABLE void unload();
43 
44  QString profile() const;
45  void setProfile(const QString& profile);
46 
47  Indicator::Ptr indicator(const QString& indicator_name);
48 
49  QVector<Indicator::Ptr> indicators();
50 
51  bool isLoaded() const;
52 
53 Q_SIGNALS:
54  void loadedChanged(bool);
55  void profileChanged(const QString&);
56 
57  void indicatorLoaded(const QString& indicator_name);
58  void indicatorAboutToBeUnloaded(const QString& indicator_name);
59 
60 private Q_SLOTS:
61  void onDirectoryChanged(const QString& directory);
62  void onFileChanged(const QString& file);
63 
64 private:
65  void loadDir(const QDir& dir);
66  void loadFile(const QFileInfo& file);
67  void unloadFile(const QFileInfo& dir);
68 
69  void startVerify(const QString& path);
70  void endVerify(const QString& path);
71 
72  void setLoaded(bool);
73 
74  class IndicatorData;
75  QHash<QString, IndicatorData*> m_indicatorsData;
76  QSharedPointer<QFileSystemWatcher> m_fsWatcher;
77  bool m_loaded;
78  QString m_profile;
79 };
80 
81 #endif // INDICATORS_MANAGER_H