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 
25 #include <QObject>
26 #include <QFileSystemWatcher>
27 #include <QDir>
28 #include <QHash>
29 #include <QSharedPointer>
30 
31 class UNITYINDICATORS_EXPORT IndicatorsManager : public QObject
32 {
33  Q_OBJECT
34  Q_PROPERTY(bool loaded READ isLoaded NOTIFY loadedChanged)
35  Q_PROPERTY(QString profile READ profile WRITE setProfile NOTIFY profileChanged)
36 public:
37  explicit IndicatorsManager(QObject* parent = 0);
38  ~IndicatorsManager();
39 
40  Q_INVOKABLE void load();
41  Q_INVOKABLE void unload();
42 
43  QString profile() const;
44  void setProfile(const QString& profile);
45 
46  Indicator::Ptr indicator(const QString& indicator_name);
47 
48  QVector<Indicator::Ptr> indicators();
49 
50  bool isLoaded() const;
51 
52 Q_SIGNALS:
53  void loadedChanged(bool);
54  void profileChanged(const QString&);
55 
56  void indicatorLoaded(const QString& indicator_name);
57  void indicatorAboutToBeUnloaded(const QString& indicator_name);
58 
59 private Q_SLOTS:
60  void onDirectoryChanged(const QString& directory);
61  void onFileChanged(const QString& file);
62 
63 private:
64  void loadDir(const QDir& dir);
65  void loadFile(const QFileInfo& file);
66  void unloadFile(const QFileInfo& dir);
67 
68  void startVerify(const QString& path);
69  void endVerify(const QString& path);
70 
71  void setLoaded(bool);
72 
73  class IndicatorData;
74  QHash<QString, IndicatorData*> m_indicatorsData;
75  QSharedPointer<QFileSystemWatcher> m_fsWatcher;
76  bool m_loaded;
77  QString m_profile;
78 };
79 
80 #endif // INDICATORS_MANAGER_H