+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdevicediscovery_p.h"
+
+#include <QStringList>
+#include <QCoreApplication>
+#include <QObject>
+#include <QHash>
+#include <QDir>
+
+//#define QT_QPA_DEVICE_DISCOVERY_DEBUG
+
+#ifdef QT_QPA_DEVICE_DISCOVERY_DEBUG
+#include <QtDebug>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+QDeviceDiscovery *QDeviceDiscovery::create(QDeviceTypes types, QObject *parent)
+{
+ return new QDeviceDiscovery(types, parent);
+}
+
+QDeviceDiscovery::QDeviceDiscovery(QDeviceTypes types, QObject *parent) :
+ QObject(parent),
+ m_types(types)
+{
+#ifdef QT_QPA_DEVICE_DISCOVERY_DEBUG
+ qWarning() << "New static DeviceDiscovery created for type" << types;
+#endif
+}
+
+QDeviceDiscovery::~QDeviceDiscovery()
+{
+}
+
+QStringList QDeviceDiscovery::scanConnectedDevices()
+{
+ QStringList devices;
+
+ // check for input devices
+ QDir dir(QString::fromLatin1(QT_EVDEV_DEVICE_PATH));
+ dir.setFilter(QDir::System);
+
+ foreach (const QString &deviceFile, dir.entryList()) {
+ if (checkDeviceType(deviceFile))
+ devices << (dir.absolutePath() + QString::fromLatin1("/") + deviceFile);
+ }
+
+ // check for drm devices
+ dir.setPath(QString::fromLatin1(QT_DRM_DEVICE_PATH));
+ foreach (const QString &deviceFile, dir.entryList()) {
+ if (checkDeviceType(deviceFile))
+ devices << (dir.absolutePath() + QString::fromLatin1("/") + deviceFile);
+ }
+
+#ifdef QT_QPA_DEVICE_DISCOVERY_DEBUG
+ qWarning() << "Static DeviceDiscovery found matching devices" << devices;
+#endif
+
+ return devices;
+}
+
+bool QDeviceDiscovery::checkDeviceType(const QString &device)
+{
+ if ((m_types & (Device_Keyboard | Device_Mouse | Device_Touchpad | Device_Touchscreen)) && device.startsWith(QString::fromLatin1(QT_EVDEV_DEVICE_PREFIX)))
+ return true;
+
+ if ((m_types & Device_DRM) && device.startsWith(QString::fromLatin1(QT_DRM_DEVICE_PREFIX)))
+ return true;
+
+ return false;
+}
+
+QT_END_NAMESPACE