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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the Qt Mobility Components. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include <qmediapluginloader_p.h> |
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43 #include <QtCore/qcoreapplication.h> |
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44 #include <QtCore/qpluginloader.h> |
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45 #include <QtCore/qdir.h> |
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46 #include <QtCore/qdebug.h> |
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47 |
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48 #include <qmediaserviceproviderplugin.h> |
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49 |
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50 QTM_BEGIN_NAMESPACE |
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51 |
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52 |
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53 typedef QMap<QString,QObjectList> ObjectListMap; |
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54 Q_GLOBAL_STATIC(ObjectListMap, staticMediaPlugins); |
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55 |
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56 QMediaPluginLoader::QMediaPluginLoader(const char *iid, const QString &location, Qt::CaseSensitivity): |
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57 m_iid(iid) |
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58 { |
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59 m_location = location + "/"; |
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60 load(); |
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61 } |
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62 |
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63 QStringList QMediaPluginLoader::keys() const |
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64 { |
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65 return m_instances.keys(); |
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66 } |
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67 |
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68 QObject* QMediaPluginLoader::instance(QString const &key) |
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69 { |
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70 return m_instances.value(key); |
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71 } |
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72 |
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73 QList<QObject*> QMediaPluginLoader::instances(QString const &key) |
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74 { |
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75 return m_instances.values(key); |
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76 } |
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77 |
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78 //to be used for testing purposes only |
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79 void QMediaPluginLoader::setStaticPlugins(const QString &location, const QObjectList& objects) |
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80 { |
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81 staticMediaPlugins()->insert(location+"/", objects); |
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82 } |
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83 |
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84 void QMediaPluginLoader::load() |
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85 { |
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86 if (!m_instances.isEmpty()) |
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87 return; |
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88 |
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89 if (staticMediaPlugins() && staticMediaPlugins()->contains(m_location)) { |
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90 qWarning() << "Load static plugins for" << m_location; |
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91 foreach(QObject *o, staticMediaPlugins()->value(m_location)) { |
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92 if (o != 0 && o->qt_metacast(m_iid) != 0) { |
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93 QFactoryInterface* p = qobject_cast<QFactoryInterface*>(o); |
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94 if (p != 0) { |
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95 foreach (QString const &key, p->keys()) |
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96 m_instances.insertMulti(key, o); |
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97 } |
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98 } |
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99 } |
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100 } else { |
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101 QStringList paths = QCoreApplication::libraryPaths(); |
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102 |
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103 foreach (QString const &path, paths) { |
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104 QString pluginPathName(path + m_location); |
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105 QDir pluginDir(pluginPathName); |
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106 |
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107 if (!pluginDir.exists()) |
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108 continue; |
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109 |
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110 foreach (QString pluginLib, pluginDir.entryList(QDir::Files)) { |
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111 QPluginLoader loader(pluginPathName + pluginLib); |
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112 |
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113 QObject *o = loader.instance(); |
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114 if (o != 0 && o->qt_metacast(m_iid) != 0) { |
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115 QFactoryInterface* p = qobject_cast<QFactoryInterface*>(o); |
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116 if (p != 0) { |
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117 foreach (QString const &key, p->keys()) |
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118 m_instances.insertMulti(key, o); |
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119 } |
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120 |
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121 continue; |
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122 } else { |
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123 qWarning() << "QMediaPluginLoader: Failed to load plugin: " << pluginLib << loader.errorString(); |
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124 } |
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125 delete o; |
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126 loader.unload(); |
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127 } |
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128 } |
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129 } |
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130 } |
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131 QTM_END_NAMESPACE |
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132 |