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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 |
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43 #ifndef QMLBACKENDAO_H |
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44 #define QMLBACKENDAO_H |
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45 |
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46 #include <e32base.h> // For CActive, link against: euser.lib |
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47 #include <lbs.h> |
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48 #include <lbscommon.h> |
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49 #include <lbssatellite.h> |
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50 #include "qgeopositioninfosource.h" |
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51 //#include "qgeopositioninfosources60.h" |
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52 |
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53 QTM_BEGIN_NAMESPACE |
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54 |
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55 class CQGeoPositionInfoSourceS60 ; |
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56 class CQGeoSatelliteInfoSourceS60; |
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57 |
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58 // Types of request |
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59 enum RequestType { |
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60 RegularUpdate = 1, // Regular updates |
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61 OnceUpdate, // request update |
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62 DeviceStatus // device updates |
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63 }; |
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64 |
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65 // |
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66 class CQMLBackendAO : public CActive |
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67 { |
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68 public: |
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69 // Cancel and destroy |
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70 ~CQMLBackendAO(); |
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71 |
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72 // Two-phased constructor. |
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73 static CQMLBackendAO* NewL(QObject *aRequester, |
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74 RequestType aRequestType, TPositionModuleId aModId = TUid::Uid(0) |
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75 ); |
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76 |
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77 // Two-phased constructor. |
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78 static CQMLBackendAO* NewLC(QObject *aRequester, |
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79 RequestType aRequestType, TPositionModuleId aModID); |
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80 |
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81 // checks any pending request in activeobject |
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82 bool isRequestPending(); |
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83 |
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84 // Async call to get notifications about device status. |
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85 void notifyDeviceStatus(TPositionModuleStatusEventBase &aStatusEvent) ; |
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86 |
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87 // requesting for position update once |
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88 void requestUpdate(int aTimeout); |
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89 |
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90 // cancels an outstanding update request |
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91 void cancelUpdate(); |
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92 |
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93 // Sets an interval in millisecs for regular notifications |
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94 int setUpdateInterval(int aMilliSec); |
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95 |
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96 void startUpdates(); |
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97 |
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98 |
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99 |
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100 private: |
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101 // C++ constructor |
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102 CQMLBackendAO(); |
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103 |
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104 // Second-phase constructor |
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105 TInt ConstructL(QObject *aRequester, RequestType aRequestType, |
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106 TPositionModuleId aModId); |
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107 |
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108 // Device Notifications are handled |
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109 void handleDeviceNotification(int aError); |
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110 |
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111 // regular position notifications are handled |
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112 void handlePosUpdateNotification(int aError); |
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113 |
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114 void CancelAll(); |
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115 |
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116 bool initializePosInfo(); |
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117 |
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118 private: |
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119 // From CActive |
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120 // Handle completion |
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121 void RunL(); |
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122 |
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123 // How to cancel me |
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124 void DoCancel(); |
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125 |
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126 // Override to handle leaves from RunL(). Default implementation causes |
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127 // the active scheduler to panic. |
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128 int RunError(int aError); |
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129 |
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130 private: |
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131 |
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132 // Request is a device or a regular |
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133 CQGeoPositionInfoSourceS60 *mRequester; |
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134 |
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135 //Request is a device for Satellite update only |
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136 CQGeoSatelliteInfoSourceS60 *mRequesterSatellite; |
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137 |
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138 // Request type once, regular, device |
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139 RequestType mRequestType; |
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140 |
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141 // Positioning Information |
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142 RPositioner mPositioner; |
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143 |
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144 HPositionGenericInfo *mPosInfo; |
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145 |
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146 TPositionSatelliteInfo mPosSatInfo; |
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147 }; |
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148 |
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149 QTM_END_NAMESPACE |
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150 |
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151 #endif // QMLBACKENDAO_H |