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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 // Internal Headers |
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43 #include "proximitysensorsym.h" |
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44 |
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45 /** |
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46 * set the id of the proximity sensor |
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47 */ |
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48 const char *CProximitySensorSym::id("sym.proximity"); |
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49 |
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50 /** |
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51 * Factory function, this is used to create the proximity sensor object |
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52 * @return CProximitySensorSym if successful, leaves on failure |
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53 */ |
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54 CProximitySensorSym* CProximitySensorSym::NewL(QSensor *sensor) |
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55 { |
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56 CProximitySensorSym* self = new (ELeave) CProximitySensorSym(sensor); |
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57 CleanupStack::PushL(self); |
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58 self->ConstructL(); |
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59 CleanupStack::Pop(); |
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60 return self; |
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61 } |
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62 |
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63 /** |
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64 * Destructor |
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65 * Closes the backend resources |
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66 */ |
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67 CProximitySensorSym::~CProximitySensorSym() |
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68 { |
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69 // Release the backend resources |
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70 Close(); |
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71 } |
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72 |
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73 /** |
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74 * Default constructor |
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75 */ |
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76 CProximitySensorSym::CProximitySensorSym(QSensor *sensor):CSensorBackendSym(sensor) |
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77 { |
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78 setReading<QProximityReading>(&iReading); |
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79 iBackendData.iSensorType = KSensrvChannelTypeIdProximityMonitor; |
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80 } |
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81 |
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82 /* |
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83 * RecvData is used to retrieve the sensor reading from sensor server |
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84 * It is implemented here to handle proximity sensor specific |
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85 * reading data and provides conversion and utility code |
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86 */ |
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87 void CProximitySensorSym::RecvData(CSensrvChannel &aChannel) |
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88 { |
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89 TPckg<TSensrvProximityData> proxpkg( iData ); |
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90 TInt ret = aChannel.GetData( proxpkg ); |
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91 if(KErrNone != ret) |
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92 { |
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93 // If there is no reading available, return without setting |
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94 return; |
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95 } |
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96 // Get a lock on the reading data |
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97 iBackendData.iReadingLock.Wait(); |
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98 iReading.setClose(iData.iProximityState == TSensrvProximityData::EProximityDiscernible); |
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99 // Set the timestamp |
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100 iReading.setTimestamp(iData.iTimeStamp.Int64()); |
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101 // Release the lock |
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102 iBackendData.iReadingLock.Signal(); |
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103 } |
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104 |
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105 /** |
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106 * Second phase constructor |
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107 * Initialize the backend resources |
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108 */ |
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109 void CProximitySensorSym::ConstructL() |
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110 { |
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111 //Initialize the backend resources |
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112 InitializeL(); |
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113 } |
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114 |