Unity 8
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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 public:
36  explicit IndicatorsManager(QObject* parent = 0);
37  ~IndicatorsManager();
38 
39  Q_INVOKABLE void load(const QString& profile);
40  Q_INVOKABLE void unload();
41 
42  Indicator::Ptr indicator(const QString& indicator_name);
43 
44  QList<Indicator::Ptr> indicators();
45 
46  bool isLoaded() const;
47 
48 Q_SIGNALS:
49  void loadedChanged(bool);
50 
51  void indicatorLoaded(const QString& indicator_name);
52  void indicatorAboutToBeUnloaded(const QString& indicator_name);
53 
54 private Q_SLOTS:
55  void onDirectoryChanged(const QString& directory);
56  void onFileChanged(const QString& file);
57 
58 private:
59  void loadDir(const QDir& dir);
60  void loadFile(const QFileInfo& file);
61  void unloadFile(const QFileInfo& dir);
62 
63  void startVerify(const QString& path);
64  void endVerify(const QString& path);
65 
66  void setLoaded(bool);
67 
68  class IndicatorData;
69  QHash<QString, IndicatorData*> m_indicatorsData;
70  QSharedPointer<QFileSystemWatcher> m_fsWatcher;
71  bool m_loaded;
72  QString m_profile;
73 };
74 
75 #endif // INDICATORS_MANAGER_H