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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the Qt Mobility Components. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef COMPASSSYM_H |
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43 #define COMPASSSYM_H |
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44 |
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45 // QT Mobility Sensor API headers |
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46 #include <qsensorbackend.h> |
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47 #include <qcompass.h> |
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48 |
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49 // Internal Headers |
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50 #include "sensorbackendsym.h" |
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51 |
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52 // Sensor client headers |
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53 // compass and magnetometer specific header |
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54 #include <sensrvmagneticnorthsensor.h> |
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55 #include <sensrvmagnetometersensor.h> |
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56 // Magnetometer sensor specific header |
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57 #include <magnetometersensorsym.h> |
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58 |
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59 QTM_USE_NAMESPACE |
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60 |
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61 class CCompassSym: public CSensorBackendSym |
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62 { |
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63 public: |
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64 /** |
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65 * Factory function, this is used to create the compass object |
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66 * @return CCompassSym if successful, leaves on failure |
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67 */ |
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68 static CCompassSym* NewL(QSensor *sensor); |
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69 |
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70 /** |
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71 * Destructor |
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72 * Closes the backend resources |
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73 */ |
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74 ~CCompassSym(); |
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75 |
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76 /** |
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77 * start() overrides CSensorBackendSym::start() |
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78 * This is to allow starting magnetometer before stopping the compass |
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79 */ |
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80 void start(); |
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81 |
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82 /** |
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83 * stop() overrides CSensorBackendSym::stop() |
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84 * This is to allow stopping magnetometer before stopping the compass |
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85 */ |
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86 void stop(); |
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87 |
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88 private: |
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89 /** |
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90 * Default constructor |
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91 */ |
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92 CCompassSym(QSensor *sensor); |
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93 |
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94 /* |
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95 * RecvData is used to retrieve the sensor reading from sensor server |
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96 * It is implemented here to handle compass sensor specific |
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97 * reading data and provides conversion and utility code |
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98 */ |
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99 void RecvData(CSensrvChannel &aChannel); |
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100 |
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101 /** |
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102 * Second phase constructor |
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103 * Initialize the backend resources |
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104 */ |
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105 void ConstructL(); |
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106 |
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107 public: |
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108 /** |
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109 * Holds the id of the compass |
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110 */ |
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111 static const char *id; |
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112 |
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113 private: |
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114 QCompassReading iReading; |
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115 TSensrvMagneticNorthData iData; |
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116 CMagnetometerSensorSym *iMagnetometer; |
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117 }; |
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118 |
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119 #endif //PROXIMITYSENSORSYM_H |