/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Oleg Romashin <romaxa@gmail.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef nsDeviceMotionSystem_h
#define nsDeviceMotionSystem_h

#include <QObject>
#include <QtSensors/QAccelerometer>
#include <QtSensors/QRotationSensor>
#include "nsDeviceMotion.h"

using namespace QtMobility;


class MozQAccelerometerSensorFilter;
class MozQRotationSensorFilter;

class nsDeviceMotionSystem : public nsDeviceMotion
{
public:
  nsDeviceMotionSystem();
  virtual ~nsDeviceMotionSystem();

private:
  virtual void Startup();
  virtual void Shutdown();

  QtMobility::QAccelerometer* mAccelerometer;
  MozQAccelerometerSensorFilter* mAccelerometerFilter;
  QtMobility::QRotationSensor* mRotation;
  MozQRotationSensorFilter* mRotationFilter;
};

class MozQAccelerometerSensorFilter : public QObject, public QAccelerometerFilter
{
    Q_OBJECT

public:
    MozQAccelerometerSensorFilter(nsDeviceMotionSystem& aSystem) : mSystem(aSystem) {}

    virtual ~MozQAccelerometerSensorFilter(){}

    virtual bool filter(QAccelerometerReading* reading);

private:
    bool filter(QSensorReading *reading) { return filter(static_cast<QAccelerometerReading*>(reading)); }
    nsDeviceMotionSystem& mSystem;
};

class MozQRotationSensorFilter : public QObject, public QRotationFilter
{
    Q_OBJECT

public:
    MozQRotationSensorFilter(nsDeviceMotionSystem& aSystem) : mSystem(aSystem) {}

    virtual ~MozQRotationSensorFilter(){}

    virtual bool filter(QRotationReading* reading);

private:
    bool filter(QSensorReading *reading) { return filter(static_cast<QRotationReading*>(reading)); }
    nsDeviceMotionSystem& mSystem;
};

#endif /* nsDeviceMotionSystem_h */