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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtMediaServices module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qmediapluginloader_p.h"
#include <QtCore/qcoreapplication.h>
#include <QtCore/qpluginloader.h>
#include <QtCore/qdir.h>
#include <QtCore/qdebug.h>
#include <QtMediaServices/qmediaserviceproviderplugin.h>
QT_BEGIN_NAMESPACE
typedef QMap<QString,QObjectList> ObjectListMap;
Q_GLOBAL_STATIC(ObjectListMap, staticMediaPlugins);
QMediaPluginLoader::QMediaPluginLoader(const char *iid, const QString &location, Qt::CaseSensitivity):
m_iid(iid)
{
m_location = location + QLatin1String("/");
load();
}
QStringList QMediaPluginLoader::keys() const
{
return m_instances.keys();
}
QObject* QMediaPluginLoader::instance(QString const &key)
{
return m_instances.value(key);
}
QList<QObject*> QMediaPluginLoader::instances(QString const &key)
{
return m_instances.values(key);
}
//to be used for testing purposes only
void QMediaPluginLoader::setStaticPlugins(const QString &location, const QObjectList& objects)
{
staticMediaPlugins()->insert(location + QLatin1String("/"), objects);
}
void QMediaPluginLoader::load()
{
if (!m_instances.isEmpty())
return;
if (staticMediaPlugins() && staticMediaPlugins()->contains(m_location)) {
foreach(QObject *o, staticMediaPlugins()->value(m_location)) {
if (o != 0 && o->qt_metacast(m_iid) != 0) {
QFactoryInterface* p = qobject_cast<QFactoryInterface*>(o);
if (p != 0) {
foreach (QString const &key, p->keys())
m_instances.insertMulti(key, o);
}
}
}
} else {
#ifndef QT_NO_LIBRARY
QStringList paths = QCoreApplication::libraryPaths();
foreach (QString const &path, paths) {
QString pluginPathName(path + m_location);
QDir pluginDir(pluginPathName);
if (!pluginDir.exists())
continue;
foreach (QString pluginLib, pluginDir.entryList(QDir::Files)) {
QPluginLoader loader(pluginPathName + pluginLib);
QObject *o = loader.instance();
if (o != 0 && o->qt_metacast(m_iid) != 0) {
QFactoryInterface* p = qobject_cast<QFactoryInterface*>(o);
if (p != 0) {
foreach (QString const &key, p->keys())
m_instances.insertMulti(key, o);
}
continue;
} else {
qWarning() << "QMediaPluginLoader: Failed to load plugin: " << pluginLib << loader.errorString();
}
delete o;
loader.unload();
}
}
#endif
}
}
QT_END_NAMESPACE
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