From ce5c1db2d3db7d7c7af28e9053ca591f76c6101c Mon Sep 17 00:00:00 2001
From: Johannes Zellner <johannes.zellner@nokia.com>
Date: Mon, 21 May 2012 15:41:58 -0700
Subject: udev: UDevHelper becomes DeviceDiscovery

Rename QUDeviceHelper to QDeviceDiscovery and add a static device
discovery fallback in case we dont have udev. The fallback so far only
scans /dev/input/event* and /dev/dri/card* at startup and detects device
nodes only by device path.

Change-Id: I7a423910b30ae16a10d8f1f47b86c6b4d2c2ec36
Reviewed-by: Girish Ramakrishnan <girish.1.ramakrishnan@nokia.com>
Reviewed-by: Donald Carr <donald.carr@nokia.com>
---
 .../devicediscovery/qdevicediscovery_p.h           | 120 +++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 src/platformsupport/devicediscovery/qdevicediscovery_p.h

(limited to 'src/platformsupport/devicediscovery/qdevicediscovery_p.h')

diff --git a/src/platformsupport/devicediscovery/qdevicediscovery_p.h b/src/platformsupport/devicediscovery/qdevicediscovery_p.h
new file mode 100644
index 0000000000..3bec6928bf
--- /dev/null
+++ b/src/platformsupport/devicediscovery/qdevicediscovery_p.h
@@ -0,0 +1,120 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDEVICEDISCOVERY_H
+#define QDEVICEDISCOVERY_H
+
+#include <QObject>
+#include <QSocketNotifier>
+
+#ifndef QT_NO_LIBUDEV
+#include <libudev.h>
+#endif
+
+#define QT_EVDEV_DEVICE_PATH "/dev/input/"
+#define QT_EVDEV_DEVICE_PREFIX "event"
+#define QT_EVDEV_DEVICE QT_EVDEV_DEVICE_PATH QT_EVDEV_DEVICE_PREFIX
+
+#define QT_DRM_DEVICE_PATH "/dev/dri/"
+#define QT_DRM_DEVICE_PREFIX "card"
+#define QT_DRM_DEVICE QT_DRM_DEVICE_PATH QT_DRM_DEVICE_PREFIX
+
+QT_BEGIN_NAMESPACE
+
+class QDeviceDiscovery : public QObject
+{
+    Q_OBJECT
+    Q_ENUMS(QDeviceType)
+
+public:
+    enum QDeviceType {
+        Device_Unknown = 0x00,
+        Device_Mouse = 0x01,
+        Device_Touchpad = 0x02,
+        Device_Touchscreen = 0x04,
+        Device_Keyboard = 0x08,
+        Device_DRM = 0x10,
+        Device_InputMask = Device_Mouse | Device_Touchpad | Device_Touchscreen | Device_Keyboard,
+        Device_VideoMask = Device_DRM
+    };
+    Q_DECLARE_FLAGS(QDeviceTypes, QDeviceType)
+
+    static QDeviceDiscovery *create(QDeviceTypes type, QObject *parent);
+    ~QDeviceDiscovery();
+
+    QStringList scanConnectedDevices();
+
+signals:
+    void deviceDetected(const QString &deviceNode);
+    void deviceRemoved(const QString &deviceNode);
+
+#ifndef QT_NO_LIBUDEV
+private slots:
+    void handleUDevNotification();
+#endif
+
+private:
+#ifndef QT_NO_LIBUDEV
+    QDeviceDiscovery(QDeviceTypes types, struct udev *udev, QObject *parent = 0);
+    bool checkDeviceType(struct udev_device *dev);
+#else
+    QDeviceDiscovery(QDeviceTypes types, QObject *parent = 0);
+    bool checkDeviceType(const QString &device);
+#endif
+
+    QDeviceTypes m_types;
+
+#ifndef QT_NO_LIBUDEV
+    void startWatching();
+    void stopWatching();
+
+    struct udev *m_udev;
+    struct udev_monitor *m_udevMonitor;
+    int m_udevMonitorFileDescriptor;
+    QSocketNotifier *m_udevSocketNotifier;
+#endif
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QDeviceDiscovery::QDeviceTypes)
+
+QT_END_NAMESPACE
+
+#endif // QDEVICEDISCOVERY_H
-- 
cgit v1.2.3