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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qmediapluginloader_p.h"
#include <QtCore/qcoreapplication.h>
#include <QtCore/qdebug.h>
#include <QtCore/qjsonarray.h>
#include <private/qfactoryloader_p.h>
#include "qmediaserviceproviderplugin.h"
QT_BEGIN_NAMESPACE
QMediaPluginLoader::QMediaPluginLoader(const char *iid, const QString &location, Qt::CaseSensitivity caseSensitivity):
m_iid(iid)
{
m_location = QString::fromLatin1("/%1").arg(location);
m_factoryLoader = new QFactoryLoader(m_iid, m_location, caseSensitivity);
loadMetadata();
}
QMediaPluginLoader::~QMediaPluginLoader()
{
delete m_factoryLoader;
}
QStringList QMediaPluginLoader::keys() const
{
return m_metadata.keys();
}
QObject* QMediaPluginLoader::instance(QString const &key)
{
if (!m_metadata.contains(key))
return 0;
int idx = m_metadata.value(key).first().value(QStringLiteral("index")).toDouble();
if (idx < 0)
return 0;
return m_factoryLoader->instance(idx);
}
QList<QObject*> QMediaPluginLoader::instances(QString const &key)
{
if (!m_metadata.contains(key))
return QList<QObject*>();
QList<QObject *> objects;
const auto list = m_metadata.value(key);
for (const QJsonObject &jsonobj : list) {
int idx = jsonobj.value(QStringLiteral("index")).toDouble();
if (idx < 0)
continue;
QObject *object = m_factoryLoader->instance(idx);
if (!objects.contains(object)) {
objects.append(object);
}
}
return objects;
}
void QMediaPluginLoader::loadMetadata()
{
#if !defined QT_NO_DEBUG
const bool showDebug = qgetenv("QT_DEBUG_PLUGINS").toInt() > 0;
#endif
#if !defined QT_NO_DEBUG
if (showDebug)
qDebug() << "QMediaPluginLoader: loading metadata for iid " << m_iid << " at location " << m_location;
#endif
if (!m_metadata.isEmpty()) {
#if !defined QT_NO_DEBUG
if (showDebug)
qDebug() << "QMediaPluginLoader: already loaded metadata, returning";
#endif
return;
}
QList<QJsonObject> meta = m_factoryLoader->metaData();
for (int i = 0; i < meta.size(); i++) {
QJsonObject jsonobj = meta.at(i).value(QStringLiteral("MetaData")).toObject();
jsonobj.insert(QStringLiteral("index"), i);
#if !defined QT_NO_DEBUG
if (showDebug)
qDebug() << "QMediaPluginLoader: Inserted index " << i << " into metadata: " << jsonobj;
#endif
QJsonArray arr = jsonobj.value(QStringLiteral("Services")).toArray();
// Preserve compatibility with older plugins (made before 5.1) in which
// services were declared in the 'Keys' property
if (arr.isEmpty())
arr = jsonobj.value(QStringLiteral("Keys")).toArray();
for (const QJsonValue &value : qAsConst(arr)) {
QString key = value.toString();
if (!m_metadata.contains(key)) {
#if !defined QT_NO_DEBUG
if (showDebug)
qDebug() << "QMediaPluginLoader: Inserting new list for key: " << key;
#endif
m_metadata.insert(key, QList<QJsonObject>());
}
m_metadata[key].append(jsonobj);
}
}
}
QT_END_NAMESPACE
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