1 /* |
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2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include <e32std.h> |
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21 #include <e32cmn.h> |
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22 #include "GpsObserver.h" |
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23 #include "GpsPlugin.h" |
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24 |
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25 // for debug #define BROWSER_GPS_PLUGIN_LOG |
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26 |
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27 #ifdef BROWSER_GPS_PLUGIN_LOG |
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28 |
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29 #include <flogger.h> |
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30 |
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31 // output goes in c:\Logs\gps (create this dir manually if it doesn't exist) |
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32 |
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33 _LIT(LOG_DIR, "gps"); |
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34 _LIT(LOG_NAME, "gps.log"); |
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35 |
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36 TBuf16<256> formatBuf; |
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37 _LIT16(formatInt,"[%d]"); |
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38 |
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39 #define LOG_E \ |
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40 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("E")); \ |
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41 formatBuf.Format(formatInt, e); \ |
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42 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf) |
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43 #define LOG_CONNECT \ |
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44 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("RPositionerServer.Connect")) |
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45 #define LOG_NUMMODULES \ |
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46 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("NUMMODULES")); \ |
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47 formatBuf.Format(formatInt, numberOfModules); \ |
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48 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf) |
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49 #define LOG_MODULE \ |
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50 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("MODULE")); \ |
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51 formatBuf.Format(formatInt, i); \ |
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52 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf) |
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53 #define LOG_SATMODULE \ |
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54 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("SATELLITE MODULE")); \ |
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55 formatBuf.Format(formatInt, i); \ |
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56 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf) |
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57 #define LOG_OPEN \ |
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58 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("RPositioner.Open")) |
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59 #define LOG_OPTIONS \ |
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60 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("RPositioner.SetUpdateOptions")) |
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61 #define LOG_REQUESTOR \ |
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62 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("RPositioner.SetRequestor")) |
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63 #define LOG_REQUESTFIELD \ |
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64 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("HPositionGenericInfo.SetRequestedField")) |
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65 #define LOG_POSITIONUPDATE \ |
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66 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("RPositioner.NotifyPositionUpdate")) |
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67 #define LOG_RESPONSE \ |
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68 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("response")) |
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69 #define LOG_GETPOSITION \ |
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70 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("HPositionGenericInfo.GetPosition")) |
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71 #define LOG_LATLNGALT \ |
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72 int lat = iPosition.Latitude(); \ |
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73 int lon = iPosition.Longitude(); \ |
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74 int alt = iPosition.Altitude(); \ |
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75 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf); \ |
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76 formatBuf.Format(formatInt, lat); \ |
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77 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf); \ |
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78 formatBuf.Format(formatInt, lon); \ |
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79 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf); \ |
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80 formatBuf.Format(formatInt, alt); \ |
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81 RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf) |
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82 |
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83 |
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84 #else |
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85 |
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86 #define LOG_E |
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87 #define LOG_CONNECT |
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88 #define LOG_NUMMODULES |
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89 #define LOG_MODULE |
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90 #define LOG_SATMODULE |
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91 #define LOG_OPEN |
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92 #define LOG_OPTIONS |
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93 #define LOG_REQUESTOR |
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94 #define LOG_REQUESTFIELD |
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95 #define LOG_POSITIONUPDATE |
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96 #define LOG_RESPONSE |
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97 #define LOG_GETPOSITION |
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98 #define LOG_LATLNGALT |
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99 |
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100 #endif |
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101 |
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102 |
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103 // ============================ MEMBER FUNCTIONS =============================== |
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104 |
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105 // ----------------------------------------------------------------------------- |
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106 // CGpsObserver::NewL |
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107 // Symbian 2-phase constructor. |
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108 // ----------------------------------------------------------------------------- |
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109 CGpsObserver* CGpsObserver::NewL( CGpsPlugin* aPlugin ) |
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110 { |
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111 CGpsObserver* self = new (ELeave) CGpsObserver( aPlugin ); |
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112 CleanupStack::PushL( self ); |
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113 self->ConstructL(); |
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114 CleanupStack::Pop( self ); |
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115 return self; |
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116 } |
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117 |
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118 // ----------------------------------------------------------------------------- |
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119 // CGpsObserver::CGpsObserver |
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120 // C++ default constructor can NOT contain any code, that |
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121 // might leave. |
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122 // ----------------------------------------------------------------------------- |
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123 CGpsObserver::CGpsObserver( CGpsPlugin* aPlugin ) |
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124 : CActive( EPriorityStandard ), |
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125 iGpsPlugin( aPlugin ) |
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126 { |
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127 CActiveScheduler::Add( this ); |
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128 } |
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129 |
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130 // ----------------------------------------------------------------------------- |
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131 // CGpsObserver::ConstructL |
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132 // 2nd-phase constructor. |
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133 // ----------------------------------------------------------------------------- |
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134 void CGpsObserver::ConstructL() |
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135 { |
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136 TInt e; // for error codes |
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137 |
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138 // 1. connect to the position server |
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139 e = iServer.Connect(); |
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140 LOG_E; |
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141 LOG_CONNECT; |
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142 User::LeaveIfError( e ); |
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143 |
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144 // 2. find the satellite module (see the BLID application source |
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145 // code CSattelliteEng.cpp) |
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146 TUint numberOfModules = 0; |
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147 e = iServer.GetNumModules( numberOfModules ); |
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148 LOG_E; |
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149 LOG_NUMMODULES; |
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150 User::LeaveIfError( e ); |
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151 |
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152 TPositionModuleInfo moduleInfo; |
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153 TInt i; |
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154 for ( i = 0; i < numberOfModules ; i++ ) |
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155 { |
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156 LOG_MODULE; |
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157 e = iServer.GetModuleInfoByIndex( i, moduleInfo ); |
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158 LOG_E; |
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159 if ( ( e == KErrNone ) && |
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160 ( moduleInfo.Capabilities() |
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161 & TPositionModuleInfo::ECapabilitySatellite ) ) /* bit test */ |
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162 { |
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163 break; |
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164 } |
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165 } |
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166 |
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167 if ( i == numberOfModules ) |
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168 { |
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169 // leave if no GPS |
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170 User::Leave( KErrNotFound ); |
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171 } |
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172 |
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173 // 3. open the positioner with the satellite module |
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174 LOG_SATMODULE; |
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175 TPositionModuleId moduleId = moduleInfo.ModuleId(); |
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176 e = iPositioner.Open( iServer, moduleId ); |
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177 LOG_E; |
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178 User::LeaveIfError( e ); |
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179 LOG_OPEN; |
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180 |
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181 // 4. set the requestor on the positioner (something for security) |
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182 iPositioner.SetRequestor( CRequestor::ERequestorService, |
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183 CRequestor::EFormatApplication, |
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184 _L("BrowserGpsPlugin")/**srvName*/ ); |
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185 LOG_REQUESTOR; |
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186 |
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187 // 5. request position notification |
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188 iPositioner.NotifyPositionUpdate( iPositionInfo, iStatus ); |
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189 SetActive(); |
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190 LOG_POSITIONUPDATE; |
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191 } |
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192 |
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193 // ----------------------------------------------------------------------------- |
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194 // CGpsObserver::~CGpsObserver() |
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195 // Destructor |
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196 // ----------------------------------------------------------------------------- |
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197 CGpsObserver::~CGpsObserver() |
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198 { |
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199 Cancel(); |
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200 iPositioner.Close(); |
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201 iServer.Close(); |
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202 |
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203 delete iEventHandler; |
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204 } |
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205 |
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206 // ----------------------------------------------------------------------------- |
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207 // CSystemInfoBatteryObserver::RequestNotification |
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208 // ----------------------------------------------------------------------------- |
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209 void CGpsObserver::RequestNotificationL( const NPString& aEvent ) |
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210 { |
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211 // remove and free current handler |
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212 HBufC8* handler = iEventHandler; |
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213 iEventHandler = NULL; |
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214 delete handler; |
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215 |
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216 //store the event handler function name |
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217 TInt length = aEvent.UTF8Length; |
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218 handler = HBufC8::NewL( length+1 ); |
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219 |
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220 TPtr8 tptr = handler->Des(); |
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221 tptr.Copy( (const TUint8 *)aEvent.UTF8Characters, length ); |
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222 |
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223 //Remove any arguments passed in the with the function name |
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224 TInt pos = handler->LocateReverse( TChar('(') ); |
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225 if ( pos != KErrNotFound ) |
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226 { |
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227 length = pos; |
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228 } |
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229 |
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230 tptr.SetLength( length ); |
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231 tptr.ZeroTerminate(); |
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232 |
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233 iEventHandler = handler; |
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234 |
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235 // monitoring is already active |
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236 } |
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237 |
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238 // ----------------------------------------------------------------------------- |
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239 // CSystemInfoBatteryObserver::RunL |
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240 // ----------------------------------------------------------------------------- |
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241 void CGpsObserver::RunL() |
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242 { |
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243 // if status ok and exists, update values and invoke callback |
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244 if ( iStatus == KErrNone ) |
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245 { |
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246 // update saved values |
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247 iPositionInfo.GetPosition( iPosition ); |
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248 LOG_GETPOSITION; |
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249 LOG_LATLNGALT; |
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250 |
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251 iTickCount++; |
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252 if ( iEventHandler ) |
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253 { |
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254 iGpsPlugin->InvokeCallback( *iEventHandler, NULL, 0 ); |
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255 } |
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256 } |
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257 |
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258 // request next update |
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259 iPositioner.NotifyPositionUpdate( iPositionInfo, iStatus ); |
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260 SetActive(); |
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261 } |
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262 |
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263 // ----------------------------------------------------------------------------- |
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264 // CGpsObserver::RunError |
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265 // ----------------------------------------------------------------------------- |
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266 TInt CGpsObserver::RunError( TInt /*aError*/ ) |
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267 { |
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268 return KErrNone; |
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269 } |
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270 |
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271 // ----------------------------------------------------------------------------- |
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272 // CGpsObserver::DoCancel |
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273 // ----------------------------------------------------------------------------- |
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274 void CGpsObserver::DoCancel() |
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275 { |
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276 iPositioner.CancelRequest( EPositionerNotifyPositionUpdate ); |
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277 } |
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278 |
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279 // ----------------------------------------------------------------------------- |
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280 // CGpsObserver::Latitude |
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281 // ----------------------------------------------------------------------------- |
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282 TReal CGpsObserver::Latitude() const |
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283 { |
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284 return iPosition.Latitude(); |
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285 } |
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286 |
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287 // ----------------------------------------------------------------------------- |
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288 // CGpsObserver::Longitude |
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289 // ----------------------------------------------------------------------------- |
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290 TReal CGpsObserver::Longitude() const |
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291 { |
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292 return iPosition.Longitude(); |
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293 } |
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294 |
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295 // ----------------------------------------------------------------------------- |
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296 // CGpsObserver::Altitude |
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297 // ----------------------------------------------------------------------------- |
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298 TReal CGpsObserver::Altitude() const |
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299 { |
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300 return iPosition.Altitude(); |
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301 } |
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302 |
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303 // ----------------------------------------------------------------------------- |
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304 // CGpsObserver::HorizontalAccuracy |
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305 // ----------------------------------------------------------------------------- |
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306 TReal CGpsObserver::HorizontalAccuracy() const |
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307 { |
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308 return iPosition.HorizontalAccuracy(); |
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309 } |
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310 |
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311 // ----------------------------------------------------------------------------- |
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312 // CGpsObserver::VerticalAccuracy |
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313 // ----------------------------------------------------------------------------- |
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314 TReal CGpsObserver::VerticalAccuracy() const |
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315 { |
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316 return iPosition.VerticalAccuracy(); |
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317 } |
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318 |
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319 // ----------------------------------------------------------------------------- |
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320 // CGpsObserver::TIckCount |
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321 // ----------------------------------------------------------------------------- |
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322 TInt CGpsObserver::TickCount() const |
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323 { |
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324 return iTickCount; |
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325 } |
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326 |
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327 // End of File |
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