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1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 /** |
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17 @file |
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18 @InternalComponent |
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19 */ |
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20 |
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21 #include "cagpsrequesthandler.h" |
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22 #include "cpositionerq.h" |
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23 #include "psylogging.h" |
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24 #include "tagpsrequestparameters.h" |
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25 #include "tpositionercall.h" |
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26 #include "agpsrequestconstants.h" |
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27 |
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28 const TInt KMergeTableRows = 4; |
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29 const TInt KMergeTableColumns = 4; |
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30 |
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31 const TInt KModeIndexNone = 0; |
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32 const TInt KModeIndexA = 1; |
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33 const TInt KModeIndexTB = 2; |
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34 const TInt KModeIndexTA = 3; |
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35 |
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36 |
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37 const TInt ModeMergeTable[KMergeTableColumns][KMergeTableRows] = |
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38 { |
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39 //None A, TB, TA |
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40 {KErrGeneral, KAutonomousMode, KTerminalBasedMode, KTerminalAssistedMode}, // None |
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41 {KErrGeneral, KAutonomousMode, KTerminalBasedMode, KErrGeneral}, // A |
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42 {KErrGeneral, KTerminalBasedMode, KTerminalBasedMode, KErrGeneral}, // TB |
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43 {KErrGeneral, KErrGeneral, KErrGeneral, KTerminalAssistedMode} // TA |
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44 }; |
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45 |
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46 |
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47 /** |
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48 CRequestHandler::NewL |
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49 Two-phased constructor. |
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50 */ |
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51 CAgpsRequestHandler* CAgpsRequestHandler::NewL(CPositionerQ* aPositionerQ) |
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52 { |
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53 CAgpsRequestHandler* self = new( ELeave ) CAgpsRequestHandler(aPositionerQ); |
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54 |
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55 CleanupStack::PushL( self ); |
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56 self->ConstructL(); |
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57 CleanupStack::Pop(); |
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58 |
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59 return self; |
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60 } |
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61 |
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62 /* |
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63 * CAgpsRequestHandler::~CAgpsRequestHandler |
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64 * Destructor. |
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65 */ |
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66 CAgpsRequestHandler::~CAgpsRequestHandler() |
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67 { |
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68 TRACESTRING("CAgpsRequestHandler::~CAgpsRequestHandler()") |
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69 // Send standby advice for first positioner |
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70 TTracking tracking; |
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71 IssueCancel(iPositionerQ->IterETrue(tracking), TLbsPositionUpdateRequestBase::EPowerAdviceOff); |
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72 |
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73 delete iAGPSRequestBus; |
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74 } |
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75 |
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76 /** |
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77 @param aPositionerQ the positioner q |
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78 */ |
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79 CAgpsRequestHandler::CAgpsRequestHandler(CPositionerQ* aPositionerQ) |
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80 { |
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81 iPositionerQ = aPositionerQ; |
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82 } |
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83 |
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84 /** |
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85 construct the request bus by channel identifier |
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86 */ |
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87 void CAgpsRequestHandler::ConstructL() |
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88 { |
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89 CRequestHandler::ConstructL(); |
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90 |
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91 iAGPSRequestBus = CAgpsRequestBus::NewL(KChannelArray[KAGpsManagerToLocServerChannelIndex]); |
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92 |
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93 // Send standby advice for first positioner |
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94 TTracking tracking; |
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95 IssueStatus(iPositionerQ->IterETrue(tracking), TLbsPositionUpdateRequestBase::EPowerAdviceStandby); |
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96 |
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97 User::LeaveIfError(LbsModuleInfo::GetDeviceCapabilities(KLbsGpsLocManagerUid, iCapabilities)); |
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98 } |
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99 |
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100 /** |
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101 * Merges the positioning methods and checks that the requested method is |
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102 * compatible with the hardware capabiliies. Some hardware can support multiple |
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103 * modes which can be simultaneous. |
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104 * |
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105 * @param aNewReq |
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106 */ |
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107 TInt CAgpsRequestHandler::MergeMethod(TLbsNetPosRequestMethodInt& aNewReq) |
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108 { |
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109 TInt error = KErrNone; |
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110 TLbsNetPosMethodInt mergedMethod; |
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111 TLbsNetPosMethodInt newMethod; |
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112 |
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113 iMergedRequest.RequestMethod().GetPosMethod(0, mergedMethod); |
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114 aNewReq.GetPosMethod(0, newMethod); |
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115 |
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116 TInt mergedModeIndex = ModeToIndex(mergedMethod.PosMode()); |
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117 TInt newModeIndex = ModeToIndex(newMethod.PosMode()); |
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118 TInt resultMode = ModeMergeTable[mergedModeIndex][newModeIndex]; |
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119 |
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120 |
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121 if(iCapabilities == TPositionModuleInfoExtended::EDeviceGpsModeSimultaneousTATB) |
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122 { |
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123 if(resultMode == KErrGeneral) |
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124 { |
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125 resultMode = KErrInUse; |
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126 } |
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127 } |
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128 else if(iCapabilities == (TPositionModuleInfoExtended::EDeviceGpsModeTerminalBased |
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129 | TPositionModuleInfoExtended::EDeviceGpsModeTerminalAssisted)) |
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130 { |
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131 if(resultMode == KErrGeneral) |
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132 { |
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133 resultMode = KErrInUse; |
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134 } |
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135 } |
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136 else if(iCapabilities == TPositionModuleInfoExtended::EDeviceGpsModeTerminalBased) |
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137 { |
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138 if((resultMode == KErrGeneral) || (newModeIndex == KModeIndexTA) |
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139 || (mergedModeIndex == KModeIndexTA)) |
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140 { |
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141 resultMode = KErrCorrupt; |
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142 } |
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143 } |
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144 else if(iCapabilities == TPositionModuleInfoExtended::EDeviceGpsModeTerminalAssisted) |
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145 { |
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146 if((resultMode == KErrGeneral) || (newModeIndex != KModeIndexTA) |
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147 || (mergedModeIndex == KModeIndexTB) || (mergedModeIndex == KModeIndexA)) |
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148 { |
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149 resultMode = KErrCorrupt; |
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150 } |
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151 } |
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152 else |
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153 { |
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154 resultMode = KErrCorrupt; |
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155 } |
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156 |
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157 |
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158 if((resultMode == KAutonomousMode) |
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159 || (resultMode == KTerminalBasedMode) |
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160 || (resultMode == KTerminalAssistedMode)) |
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161 { |
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162 mergedMethod.SetPosMethod(KLbsPositioningMeansGps, resultMode); |
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163 iMergedRequest.RequestMethod().SetPosMethods(&mergedMethod, 1); |
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164 } |
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165 else |
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166 { |
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167 error = resultMode; |
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168 } |
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169 |
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170 return error; |
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171 } |
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172 |
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173 /** |
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174 Merge the request with the local iMergedRequest |
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175 |
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176 @param aTime The target time of the request |
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177 @param aTimeForFix The maximum fix time |
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178 @param aQuality The requested position info quality |
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179 @return KErr depending on the reason for the failure of the method merge |
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180 @see CPositionerSubSession |
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181 */ |
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182 TInt CAgpsRequestHandler::MergeRequest(const TRequestParameters* aRequestParameters, const TBool aTracking, |
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183 TLbsPositionUpdateRequestBase::TPowerAdvice aPower) |
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184 { |
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185 TPositionQuality posQuality; |
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186 TLbsPositionUpdateRequest newReq; |
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187 TLbsLocRequestQuality newRequestQuality; |
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188 const TAgpsRequestParameters* reqParams = static_cast<const TAgpsRequestParameters*>(aRequestParameters); |
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189 |
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190 reqParams->iCriteria.GetRequiredQuality(posQuality); |
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191 |
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192 BuildUpdateRequest(newRequestQuality, reqParams->iTimeForFix, posQuality); |
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193 newReq.TargetTime() = reqParams->iTargetTime; |
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194 |
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195 newReq.RequestQuality().SetMaxFixTime(newRequestQuality.MaxFixTime()); |
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196 newReq.RequestQuality().SetMinHorizontalAccuracy(newRequestQuality.MinHorizontalAccuracy()); |
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197 newReq.RequestQuality().SetMinVerticalAccuracy(newRequestQuality.MinVerticalAccuracy()); |
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198 |
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199 newReq.NewClient() = reqParams->iNewClient; |
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200 newReq.Tracking() = aTracking; |
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201 newReq.SetPowerAdvice(aPower); |
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202 |
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203 TLbsNetPosMethodInt mArray[1]; |
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204 mArray[0].SetPosMethod(KLbsPositioningMeansGps, reqParams->iAGPSMode); |
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205 newReq.RequestMethod().SetPosMethods(mArray, 1); |
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206 |
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207 if(newReq.TargetTime() < iMergedRequest.TargetTime()) |
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208 { |
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209 iMergedRequest.TargetTime() = newReq.TargetTime(); |
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210 } |
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211 |
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212 if(newReq.RequestQuality().MinHorizontalAccuracy() < iMergedRequest.RequestQuality().MinHorizontalAccuracy()) |
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213 { |
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214 iMergedRequest.RequestQuality().SetMinHorizontalAccuracy(newReq.RequestQuality().MinHorizontalAccuracy()); |
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215 } |
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216 |
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217 if(newReq.RequestQuality().MinVerticalAccuracy() < iMergedRequest.RequestQuality().MinVerticalAccuracy()) |
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218 { |
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219 iMergedRequest.RequestQuality().SetMinVerticalAccuracy(newReq.RequestQuality().MinVerticalAccuracy()); |
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220 } |
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221 |
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222 if(newReq.RequestQuality().MaxFixTime() < iMergedRequest.RequestQuality().MaxFixTime()) |
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223 { |
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224 iMergedRequest.RequestQuality().SetMaxFixTime(newReq.RequestQuality().MaxFixTime()); |
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225 } |
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226 |
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227 iMergedRequest.NewClient() = iMergedRequest.NewClient() || newReq.NewClient(); |
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228 iMergedRequest.Tracking() = iMergedRequest.Tracking() || newReq.Tracking(); |
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229 |
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230 TLbsPositionUpdateRequest& reqNC = const_cast<TLbsPositionUpdateRequest&>(newReq); |
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231 iMergedRequest.SetPowerAdvice(reqNC.PowerAdvice()); |
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232 |
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233 return MergeMethod(newReq.RequestMethod()); |
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234 } |
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235 |
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236 /** Used before merging */ |
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237 void CAgpsRequestHandler::ResetMergedRequest() |
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238 { |
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239 iMergedRequest.NewClient() = EFalse; |
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240 iMergedRequest.Tracking() = EFalse; |
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241 iMergedRequest.TargetTime() = KMaxTInt64; |
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242 iMergedRequest.RequestQuality().SetMinHorizontalAccuracy(KMaxTReal32); |
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243 iMergedRequest.RequestQuality().SetMinVerticalAccuracy(KMaxTReal32); |
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244 iMergedRequest.RequestQuality().SetMaxFixTime(KMaxTInt64); |
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245 TLbsNetPosMethodInt mArray[1]; |
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246 mArray[0].SetPosMethod(KLbsPositioningMeansGps, 0); |
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247 iMergedRequest.RequestMethod().SetPosMethods(mArray, 1); |
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248 } |
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249 |
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250 /** |
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251 Publish the request to the request bus |
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252 */ |
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253 void CAgpsRequestHandler::IssueMergedRequestL() |
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254 { |
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255 TRACESTRING("CAgpsRequestHandler::IssueMergedRequestL()") |
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256 iCurrentRequest = iMergedRequest; |
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257 TLbsPositionUpdateRequest request = iCurrentRequest; |
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258 |
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259 // If not tracking force the request target time to be 0, |
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260 // the AGPS integration module manager expects this behaviour |
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261 if (!request.Tracking()) |
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262 { |
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263 request.TargetTime() = TTime(0); |
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264 } |
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265 |
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266 iAGPSRequestBus->PublishRequestL(request); |
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267 } |
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268 |
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269 /** |
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270 Publish the Cancel request to the request bus. |
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271 Cancel always disables tracking (the tracking flag is EFalse by default) |
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272 */ |
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273 void CAgpsRequestHandler::IssueCancel(TBool aTracking, TLbsPositionUpdateRequestBase::TPowerAdvice aPower) |
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274 { |
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275 TRACESTRING("CAgpsRequestHandler::IssueCancel()") |
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276 TLbsPositionUpdateRequestCancel cancel; |
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277 |
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278 // note, here we choose to send EPowerAdviceStandby straight away |
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279 cancel.SetPowerAdvice(aPower); |
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280 cancel.Tracking() = aTracking; |
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281 |
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282 TRAP_IGNORE(iAGPSRequestBus->PublishRequestL(cancel)); |
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283 } |
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284 |
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285 /** |
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286 Publish statutory information (e.g tracking) to the request bus. |
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287 */ |
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288 void CAgpsRequestHandler::IssueStatus(TBool aTracking, TLbsPositionUpdateRequestBase::TPowerAdvice aPower) |
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289 { |
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290 TLbsPositionUpdateRequestStatus status; |
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291 status.Tracking() = aTracking; |
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292 status.SetPowerAdvice(aPower); |
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293 TRAP_IGNORE(iAGPSRequestBus->PublishRequestL(status)); |
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294 } |
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295 |
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296 |
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297 TInt CAgpsRequestHandler::ModeToIndex(TInt aMode) |
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298 { |
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299 if(aMode == (TPositionModuleInfo::ETechnologyNetwork | TPositionModuleInfo::ETechnologyAssisted)) |
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300 { |
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301 return KModeIndexTA; |
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302 } |
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303 else if(aMode == (TPositionModuleInfo::ETechnologyTerminal | TPositionModuleInfo::ETechnologyAssisted)) |
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304 { |
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305 return KModeIndexTB; |
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306 } |
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307 else if(aMode == TPositionModuleInfo::ETechnologyTerminal) |
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308 { |
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309 return KModeIndexA; |
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310 } |
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311 else |
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312 { |
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313 return KModeIndexNone; |
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314 } |
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315 } |