1 /* |
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2 * Copyright (c) 2004-2007 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 "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: Implements the CLandmarksPositionRequest class |
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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 |
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20 #include <AknWaitDialog.h> |
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21 #include <coemain.h> |
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22 #include <aknnotewrappers.h> |
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23 |
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24 #include <lbspositioninfo.h> |
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25 |
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26 #include <lmrefapp.rsg> |
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27 #include "LandmarksUtils.h" |
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28 #include "LandmarksPositionRequest.h" |
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29 #include "LandmarksOperationObserver.h" |
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30 |
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31 // ============================ MEMBER FUNCTIONS =============================== |
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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 CLandmarksPositionRequest::CLandmarksPositionRequest( |
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37 MLandmarksOperationObserver* aObserver) |
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38 : |
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39 CActive(CActive::EPriorityStandard), |
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40 iObserver(aObserver), |
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41 iState(EIdle) |
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42 { |
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43 CActiveScheduler::Add(this); |
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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 // |
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49 void CLandmarksPositionRequest::ConstructL(const TDesC& aAppName) |
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50 { |
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51 iAppName = aAppName.AllocL(); |
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52 InitializeL(); |
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53 } |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 CLandmarksPositionRequest* CLandmarksPositionRequest::NewL( |
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59 const TDesC& aAppName, |
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60 MLandmarksOperationObserver* aObserver) |
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61 { |
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62 CLandmarksPositionRequest* self = |
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63 new (ELeave) CLandmarksPositionRequest(aObserver); |
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64 CleanupStack::PushL(self); |
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65 self->ConstructL(aAppName); |
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66 CleanupStack::Pop(self); |
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67 return self; |
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68 } |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // ----------------------------------------------------------------------------- |
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72 // |
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73 CLandmarksPositionRequest::~CLandmarksPositionRequest() |
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74 { |
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75 Cancel(); |
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76 iPositioner.Close(); |
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77 iLocationServer.Close(); |
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78 DismissWaitNote(); |
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79 delete iAppName; |
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80 } |
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81 |
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82 // ----------------------------------------------------------------------------- |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 void CLandmarksPositionRequest::FetchPositionInfoL( |
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86 const TDesC& aMessage, |
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87 TPositionInfo& aPositionInfo) |
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88 { |
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89 Cancel(); |
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90 iPositionInfo = &aPositionInfo; |
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91 |
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92 // Initialize wait note |
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93 CAknWaitDialog* waitNote = new (ELeave) CAknWaitDialog( |
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94 reinterpret_cast <CEikDialog**> (&iWaitNote), ETrue); // show immedaitely |
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95 CleanupStack::PushL(waitNote); |
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96 waitNote->SetCallback(this); |
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97 waitNote->SetTextL(aMessage); |
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98 waitNote->PrepareLC(R_LMREFAPP_ACQUIRE_LOCATION_WAIT_NOTE); |
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99 CleanupStack::Pop(waitNote); // waitNote will delete itself |
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100 iWaitNote = waitNote; |
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101 |
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102 // Request location |
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103 iState = EAcquiringDefaultLocation; |
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104 ExecuteNextStep(); |
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105 |
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106 // Launch wait note |
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107 iWaitNote->RunLD(); |
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108 } |
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109 |
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110 // ----------------------------------------------------------------------------- |
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111 // ----------------------------------------------------------------------------- |
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112 // |
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113 void CLandmarksPositionRequest::DismissWaitNote() |
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114 { |
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115 if (iWaitNote) |
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116 { |
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117 TInt err; |
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118 TRAP(err, iWaitNote->ProcessFinishedL()); |
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119 iWaitNote = NULL; |
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120 } |
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121 } |
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122 |
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123 // ----------------------------------------------------------------------------- |
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124 // ----------------------------------------------------------------------------- |
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125 // |
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126 void CLandmarksPositionRequest::DoCancel() |
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127 { |
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128 // Cancel location request |
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129 if (iState == EAcquiringDefaultLocation) |
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130 { |
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131 iPositioner.CancelRequest(EPositionerNotifyPositionUpdate); |
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132 } |
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133 else if (iState == EAcquiringLastKnownLocation) |
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134 { |
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135 iPositioner.CancelRequest(EPositionerGetLastKnownPosition); |
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136 } |
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137 iState = EIdle; |
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138 DismissWaitNote(); |
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139 } |
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140 |
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141 // ----------------------------------------------------------------------------- |
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142 // ----------------------------------------------------------------------------- |
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143 // |
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144 void CLandmarksPositionRequest::RunL() |
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145 { |
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146 if (iStatus == KErrNone) |
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147 { |
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148 // Location retrieved. Operation finished. |
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149 |
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150 if ( iState == EAcquiringLastKnownLocation ) |
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151 { |
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152 // inform user that it was last known location |
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153 HBufC* msg = CCoeEnv::Static()->AllocReadResourceLC( R_LMREFAPP_LAST_LOCATION_USED_INFO ); |
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154 LandmarksUtils::ErrorNoteL( *msg ); |
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155 CleanupStack::PopAndDestroy(msg); |
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156 } |
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157 |
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158 NotifyOperationCompleteL(KErrNone); |
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159 } |
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160 else // iStatus != KErrNone |
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161 { |
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162 if (iState == EAcquiringDefaultLocation) |
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163 { |
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164 // Fetching current location failed. Try last known location. |
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165 iState = EAcquiringLastKnownLocation; |
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166 ExecuteNextStep(); |
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167 } |
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168 else if (iState == EAcquiringLastKnownLocation) |
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169 { |
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170 // Fetching last known location failed. |
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171 NotifyOperationCompleteL(iStatus.Int()); |
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172 } |
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173 } |
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174 } |
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175 |
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176 // ----------------------------------------------------------------------------- |
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177 // ----------------------------------------------------------------------------- |
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178 // |
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179 TInt CLandmarksPositionRequest::RunError(TInt /*aError*/) |
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180 { |
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181 // Ignore possible errors. |
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182 return KErrNone; |
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183 } |
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184 |
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185 // ----------------------------------------------------------------------------- |
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186 // ----------------------------------------------------------------------------- |
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187 // |
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188 void CLandmarksPositionRequest::DialogDismissedL(TInt aButtonId) |
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189 { |
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190 if (aButtonId == EAknSoftkeyCancel) |
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191 { |
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192 // Dialog is already dismissed by framework |
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193 iWaitNote = NULL; |
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194 |
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195 Cancel(); |
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196 } |
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197 } |
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198 |
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199 // ----------------------------------------------------------------------------- |
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200 // ----------------------------------------------------------------------------- |
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201 // |
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202 void CLandmarksPositionRequest::ShowErrorL(TInt aError) |
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203 { |
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204 HBufC* format = CCoeEnv::Static()->AllocReadResourceAsDes16LC( |
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205 R_LMREFAPP_ACQUIRING_LOC_ERROR); |
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206 |
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207 // some extra characters needed for error code |
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208 const TInt KErrorCodeTextLength = 10; |
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209 HBufC* message = HBufC::NewLC( |
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210 format->Length() + KErrorCodeTextLength); |
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211 message->Des().Format(*format, aError); |
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212 |
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213 CAknInformationNote* informationNote = |
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214 new (ELeave) CAknInformationNote(ETrue); |
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215 informationNote->ExecuteLD(*message); |
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216 CleanupStack::PopAndDestroy(2, format); |
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217 } |
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218 |
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219 // ----------------------------------------------------------------------------- |
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220 // ----------------------------------------------------------------------------- |
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221 // |
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222 void CLandmarksPositionRequest::ExecuteNextStep() |
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223 { |
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224 iStatus = KRequestPending; |
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225 |
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226 switch (iState) |
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227 { |
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228 case EAcquiringDefaultLocation: |
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229 iPositioner.NotifyPositionUpdate(*iPositionInfo, iStatus); |
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230 break; |
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231 case EAcquiringLastKnownLocation: |
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232 iPositioner.GetLastKnownPosition(*iPositionInfo, iStatus); |
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233 break; |
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234 default: |
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235 // this case should never happen, see RunL |
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236 LandmarksUtils::Panic(KErrGeneral); |
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237 break; |
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238 } |
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239 |
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240 SetActive(); |
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241 } |
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242 |
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243 // ----------------------------------------------------------------------------- |
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244 // ----------------------------------------------------------------------------- |
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245 // |
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246 void CLandmarksPositionRequest::NotifyOperationCompleteL(TInt aError) |
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247 { |
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248 DismissWaitNote(); |
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249 iState = EIdle; |
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250 |
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251 // Notify user if location couldn't be fetched. |
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252 if (aError) |
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253 { |
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254 ShowErrorL(aError); |
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255 } |
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256 |
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257 // Notify Observer |
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258 iObserver->NotifyOperationProgressL( |
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259 EAcquiringLocation, KOperationReady, aError); |
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260 } |
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261 |
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262 // ----------------------------------------------------------------------------- |
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263 // ----------------------------------------------------------------------------- |
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264 // |
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265 void CLandmarksPositionRequest::InitializeL() |
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266 { |
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267 // Connect to the location server |
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268 User::LeaveIfError(iLocationServer.Connect()); |
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269 |
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270 // Open the default positioner |
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271 User::LeaveIfError(iPositioner.Open(iLocationServer)); |
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272 |
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273 // Set this application as location requestor |
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274 User::LeaveIfError(iPositioner.SetRequestor( |
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275 CRequestor::ERequestorService, |
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276 CRequestor::EFormatApplication, |
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277 *iAppName)); |
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278 |
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279 // Set maximum allowed time for a location request |
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280 const TInt K30Seconds = 30000000; |
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281 TTimeIntervalMicroSeconds timeOut(K30Seconds); |
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282 TPositionUpdateOptions updateOptions; |
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283 updateOptions.SetUpdateTimeOut(timeOut); |
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284 User::LeaveIfError(iPositioner.SetUpdateOptions(updateOptions)); |
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285 } |
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286 |
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287 |
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