bbfccc7135
Qt copyrights are now in The Qt Company, so we could update the source code headers accordingly. In the same go we should also fix the links to point to qt.io. Change-Id: I1c6faa4f59f8eca54f01ef20941fa60161dd7872 Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>
146 lines
4.6 KiB
C++
146 lines
4.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qmediapluginloader_p.h"
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#include <QtCore/qcoreapplication.h>
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#include <QtCore/qdebug.h>
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#include <QtCore/qjsonarray.h>
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#include <private/qfactoryloader_p.h>
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#include "qmediaserviceproviderplugin.h"
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QT_BEGIN_NAMESPACE
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QMediaPluginLoader::QMediaPluginLoader(const char *iid, const QString &location, Qt::CaseSensitivity caseSensitivity):
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m_iid(iid)
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{
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m_location = QString::fromLatin1("/%1").arg(location);
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m_factoryLoader = new QFactoryLoader(m_iid, m_location, caseSensitivity);
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loadMetadata();
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}
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QMediaPluginLoader::~QMediaPluginLoader()
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{
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delete m_factoryLoader;
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}
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QStringList QMediaPluginLoader::keys() const
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{
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return m_metadata.keys();
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}
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QObject* QMediaPluginLoader::instance(QString const &key)
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{
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if (!m_metadata.contains(key))
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return 0;
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int idx = m_metadata.value(key).first().value(QStringLiteral("index")).toDouble();
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if (idx < 0)
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return 0;
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return m_factoryLoader->instance(idx);
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}
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QList<QObject*> QMediaPluginLoader::instances(QString const &key)
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{
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if (!m_metadata.contains(key))
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return QList<QObject*>();
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QList<QObject *> objects;
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foreach (QJsonObject jsonobj, m_metadata.value(key)) {
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int idx = jsonobj.value(QStringLiteral("index")).toDouble();
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if (idx < 0)
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continue;
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QObject *object = m_factoryLoader->instance(idx);
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if (!objects.contains(object)) {
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objects.append(object);
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}
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}
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return objects;
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}
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void QMediaPluginLoader::loadMetadata()
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{
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#if !defined QT_NO_DEBUG
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const bool showDebug = qgetenv("QT_DEBUG_PLUGINS").toInt() > 0;
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#endif
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#if !defined QT_NO_DEBUG
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if (showDebug)
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qDebug() << "QMediaPluginLoader: loading metadata for iid " << m_iid << " at location " << m_location;
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#endif
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if (!m_metadata.isEmpty()) {
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#if !defined QT_NO_DEBUG
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if (showDebug)
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qDebug() << "QMediaPluginLoader: already loaded metadata, returning";
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#endif
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return;
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}
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QList<QJsonObject> meta = m_factoryLoader->metaData();
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for (int i = 0; i < meta.size(); i++) {
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QJsonObject jsonobj = meta.at(i).value(QStringLiteral("MetaData")).toObject();
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jsonobj.insert(QStringLiteral("index"), i);
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#if !defined QT_NO_DEBUG
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if (showDebug)
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qDebug() << "QMediaPluginLoader: Inserted index " << i << " into metadata: " << jsonobj;
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#endif
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QJsonArray arr = jsonobj.value(QStringLiteral("Services")).toArray();
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// Preserve compatibility with older plugins (made before 5.1) in which
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// services were declared in the 'Keys' property
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if (arr.isEmpty())
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arr = jsonobj.value(QStringLiteral("Keys")).toArray();
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foreach (QJsonValue value, arr) {
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QString key = value.toString();
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if (!m_metadata.contains(key)) {
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#if !defined QT_NO_DEBUG
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if (showDebug)
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qDebug() << "QMediaPluginLoader: Inserting new list for key: " << key;
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#endif
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m_metadata.insert(key, QList<QJsonObject>());
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}
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m_metadata[key].append(jsonobj);
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}
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}
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}
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QT_END_NAMESPACE
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