qtmobility/src/sensors/qsensormanager.h
changeset 1 2b40d63a9c3d
child 4 90517678cc4f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/src/sensors/qsensormanager.h	Fri Apr 16 15:51:22 2010 +0300
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSENSORMANAGER_H
+#define QSENSORMANAGER_H
+
+#include "qsensor.h"
+#include <QHash>
+
+QTM_BEGIN_NAMESPACE
+
+class QSensorBackend;
+class QSensorBackendFactory;
+class QSensorPluginInterface;
+
+typedef QSensorPluginInterface *(*CreatePluginFunc)();
+
+class Q_SENSORS_EXPORT QSensorManager
+{
+public:
+    // Register a backend (call this from a plugin)
+    static void registerBackend(const QByteArray &type, const QByteArray &identifier, QSensorBackendFactory *factory);
+
+    // Create a backend (uses the type and identifier set in the sensor)
+    static QSensorBackend *createBackend(QSensor *sensor);
+
+    // For static plugins
+    static void registerStaticPlugin(CreatePluginFunc func);
+};
+
+class Q_SENSORS_EXPORT QSensorBackendFactory
+{
+public:
+    virtual QSensorBackend *createBackend(QSensor *sensor) = 0;
+protected:
+    ~QSensorBackendFactory() {}
+};
+
+#define REGISTER_STATIC_PLUGIN(pluginname)\
+    static QSensorPlugin *create_static_plugin_ ## pluginname()\
+    {\
+        return new pluginname;\
+    }\
+    static bool side_effect_sensor_backend_ ## pluginname ()\
+    {\
+        QSensorManager::registerStaticPlugin(create_static_plugin_ ## pluginname);\
+        return false;\
+    }\
+    /* This assignment calls the function above */\
+    static bool dummy_sensor_backend_ ## pluginname = side_effect_sensor_backend_ ## pluginname();
+
+QTM_END_NAMESPACE
+
+#endif
+