qgenericpluginfactory.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qgenericpluginfactory.h"
 
#include "qguiapplication.h"
#include "private/qfactoryloader_p.h"
#include "qgenericplugin.h"
#include "qdebug.h"
 
QT_BEGIN_NAMESPACE
 
using namespace Qt::StringLiterals;
 
Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, gpLoader,
    (QGenericPluginFactoryInterface_iid, "/generic"_L1, Qt::CaseInsensitive))
 
/*!
    \class QGenericPluginFactory
    \ingroup plugins
    \inmodule QtGui
 
    \brief The QGenericPluginFactory class creates plugin drivers.
 
    \sa QGenericPlugin
*/
 
/*!
    Creates the driver specified by \a key, using the given \a specification.
 
    Note that the keys are case-insensitive.
 
    \sa keys()
*/
QObject *QGenericPluginFactory::create(const QString& key, const QString &specification)
{
    return qLoadPlugin<QObject, QGenericPlugin>(gpLoader(), key.toLower(), specification);
}
 
/*!
    Returns the list of valid keys, i.e. the available mouse drivers.
 
    \sa create()
*/
QStringList QGenericPluginFactory::keys()
{
    QStringList list;
 
    typedef QMultiMap<int, QString> PluginKeyMap;
    typedef PluginKeyMap::const_iterator PluginKeyMapConstIterator;
 
    const PluginKeyMap keyMap = gpLoader()->keyMap();
    const PluginKeyMapConstIterator cend = keyMap.constEnd();
    for (PluginKeyMapConstIterator it = keyMap.constBegin(); it != cend; ++it)
        if (!list.contains(it.value()))
            list += it.value();
    return list;
}
 
QT_END_NAMESPACE