|
1 /**************************************************************************** |
|
2 ** |
|
3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
|
4 ** All rights reserved. |
|
5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
|
6 ** |
|
7 ** This file is part of the Qt Mobility Components. |
|
8 ** |
|
9 ** $QT_BEGIN_LICENSE:LGPL$ |
|
10 ** No Commercial Usage |
|
11 ** This file contains pre-release code and may not be distributed. |
|
12 ** You may use this file in accordance with the terms and conditions |
|
13 ** contained in the Technology Preview License Agreement accompanying |
|
14 ** this package. |
|
15 ** |
|
16 ** GNU Lesser General Public License Usage |
|
17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
|
18 ** General Public License version 2.1 as published by the Free Software |
|
19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
|
20 ** packaging of this file. Please review the following information to |
|
21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
|
22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
|
23 ** |
|
24 ** In addition, as a special exception, Nokia gives you certain additional |
|
25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
|
26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
|
27 ** |
|
28 ** If you have questions regarding the use of this file, please contact |
|
29 ** Nokia at qt-info@nokia.com. |
|
30 ** |
|
31 ** |
|
32 ** |
|
33 ** |
|
34 ** |
|
35 ** |
|
36 ** |
|
37 ** |
|
38 ** $QT_END_LICENSE$ |
|
39 ** |
|
40 ****************************************************************************/ |
|
41 |
|
42 #include "qsensorpluginloader_p.h" |
|
43 #include <QtCore/qcoreapplication.h> |
|
44 #include <QtCore/qpluginloader.h> |
|
45 #include <QtCore/qdir.h> |
|
46 #include <QtCore/qdebug.h> |
|
47 |
|
48 #include "qsensorplugin.h" |
|
49 |
|
50 QTM_BEGIN_NAMESPACE |
|
51 |
|
52 QSensorPluginLoader::QSensorPluginLoader(const char *iid, const QString &location) |
|
53 : m_iid(iid) |
|
54 { |
|
55 m_location = location + QLatin1String("/"); |
|
56 load(); |
|
57 } |
|
58 |
|
59 void QSensorPluginLoader::load() |
|
60 { |
|
61 if (!m_plugins.isEmpty()) |
|
62 return; |
|
63 |
|
64 QStringList paths = QCoreApplication::libraryPaths(); |
|
65 |
|
66 Q_FOREACH (QString const &path, paths) { |
|
67 QString pluginPathName(path + m_location); |
|
68 QDir pluginDir(pluginPathName); |
|
69 |
|
70 if (!pluginDir.exists()) |
|
71 continue; |
|
72 |
|
73 Q_FOREACH (QString pluginLib, pluginDir.entryList(QDir::Files)) { |
|
74 QPluginLoader loader(pluginPathName + pluginLib); |
|
75 |
|
76 QObject *o = loader.instance(); |
|
77 if (o != 0 && o->qt_metacast(m_iid) != 0) { |
|
78 QSensorPluginInterface *p = qobject_cast<QSensorPluginInterface*>(o); |
|
79 if (p != 0) { |
|
80 m_plugins << p; |
|
81 } |
|
82 |
|
83 continue; |
|
84 } else { |
|
85 qWarning() << "QSensorPluginLoader: Failed to load plugin: " << pluginLib << loader.errorString(); |
|
86 } |
|
87 delete o; |
|
88 loader.unload(); |
|
89 } |
|
90 } |
|
91 } |
|
92 |
|
93 QTM_END_NAMESPACE |
|
94 |