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1 /* |
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2 * Copyright (c) 2005 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: |
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15 * Implements interface for Blid event |
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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 FILES |
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21 #include <sysutil.h> |
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22 #include <f32file.h> |
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23 #include <EPos_CPosLandmark.h> |
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24 #include <driveinfo.h> |
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25 |
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26 #include "CBlidEng.h" |
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27 #include "BlidModelFactory.h" |
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28 #include "DllMain.h" // panic codes |
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29 #include "MBlidSettings.h" // MBlidSettings |
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30 #include "MBlidLocation.h" //MBlidLocation |
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31 #include "MBlidRouter.h" //MBlidRouter |
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32 #include "lbsposition.h" |
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33 #include "TNamedCoordinate.h" |
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34 #include "blidengconsts.h" |
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35 |
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36 // ============================ MEMBER FUNCTIONS ============================== |
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37 // ---------------------------------------------------------------------------- |
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38 // CBlidEng::NewL |
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39 // Two-phased constructor. |
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40 // ---------------------------------------------------------------------------- |
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41 // |
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42 EXPORT_C CBlidEng* CBlidEng::NewL() |
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43 { |
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44 CBlidEng* self = new( ELeave ) CBlidEng; |
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45 CleanupStack::PushL( self ); |
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46 self->ConstructL(); |
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47 CleanupStack::Pop(self); // self |
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48 return self; |
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49 } |
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50 |
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51 // --------------------------------------------------------- |
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52 // CBlidEng::ConstructL |
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53 // --------------------------------------------------------- |
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54 // |
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55 void CBlidEng::ConstructL() |
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56 { |
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57 User::LeaveIfError(iServer.Connect()); |
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58 CreateModelL( EBlidSettings ); |
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59 CreateModelL( EBlidRouter ); |
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60 iAppMode = EAppForeground; |
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61 iHWRMLight = CHWRMLight::NewL(); |
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62 } |
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63 |
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64 // ---------------------------------------------------------------------------- |
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65 // CBlidEng::CBlidEng |
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66 // C++ default constructor can NOT contain any code, that |
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67 // might leave. |
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68 // ---------------------------------------------------------------------------- |
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69 // |
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70 CBlidEng::CBlidEng() |
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71 { |
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72 } |
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73 |
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74 // --------------------------------------------------------- |
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75 // CBlidEng::~CBlidEng |
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76 // --------------------------------------------------------- |
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77 // |
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78 CBlidEng::~CBlidEng() |
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79 { |
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80 delete iSettings; |
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81 delete iLocation; |
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82 delete iRouter; |
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83 delete iHWRMLight; |
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84 iServer.Close(); |
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85 } |
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86 |
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87 // --------------------------------------------------------- |
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88 // CBlidEng::StoreL |
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89 // --------------------------------------------------------- |
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90 // |
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91 EXPORT_C TStreamId CBlidEng::StoreL( CStreamStore& aStore, |
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92 CStreamStore& aRestore ) |
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93 { |
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94 RFs fs; |
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95 User::LeaveIfError(fs.Connect()); |
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96 CleanupClosePushL( fs ); |
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97 |
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98 if ( SysUtil::DiskSpaceBelowCriticalLevelL( &fs, 0, DriveInfo::EDefaultPhoneMemory ) ) |
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99 { |
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100 const_cast<CBlidEng*>(this)->RestoreL( aRestore, iStreamId ); |
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101 User::Leave( KErrDiskFull ); |
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102 } |
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103 CleanupStack::PopAndDestroy(); // fs |
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104 |
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105 RStoreWriteStream stream; |
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106 iStreamId = stream.CreateLC( aStore ); |
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107 ExternalizeL( stream ); |
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108 stream.CommitL(); |
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109 CleanupStack::PopAndDestroy(); //stream |
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110 return iStreamId; |
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111 } |
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112 |
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113 // --------------------------------------------------------- |
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114 // CBlidEng::RestoreL |
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115 // --------------------------------------------------------- |
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116 // |
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117 EXPORT_C void CBlidEng::RestoreL( const CStreamStore& aStore, |
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118 TStreamId aStreamId ) |
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119 { |
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120 iStreamId = aStreamId; |
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121 RStoreReadStream stream; |
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122 stream.OpenLC(aStore,iStreamId); |
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123 InternalizeL(stream); |
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124 CleanupStack::PopAndDestroy(); //stream |
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125 } |
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126 |
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127 // ---------------------------------------------------------------------------- |
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128 // CBlidEng::SettingsModel() |
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129 // Settings model getter. |
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130 // ---------------------------------------------------------------------------- |
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131 // |
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132 EXPORT_C MBlidSettings* CBlidEng::SettingsModel() const |
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133 { |
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134 return iSettings; |
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135 } |
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136 |
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137 // ---------------------------------------------------------------------------- |
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138 // CBlidEng::LocationModel() |
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139 // Location model getter. |
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140 // ---------------------------------------------------------------------------- |
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141 // |
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142 EXPORT_C MBlidLocation* CBlidEng::LocationModel() const |
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143 { |
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144 return iLocation; |
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145 } |
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146 |
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147 // ---------------------------------------------------------------------------- |
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148 // CBlidEng::RouterModel() |
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149 // Router model getter. |
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150 // ---------------------------------------------------------------------------- |
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151 // |
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152 EXPORT_C MBlidRouter* CBlidEng::RouterModel() const |
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153 { |
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154 return iRouter; |
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155 } |
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156 |
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157 // ---------------------------------------------------------------------------- |
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158 // CBlidEng::CreateModelL() |
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159 // Creates a given model type. |
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160 // ---------------------------------------------------------------------------- |
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161 // |
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162 EXPORT_C void CBlidEng::CreateModelL( TBlidModelType aModel ) |
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163 { |
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164 switch( aModel ) |
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165 { |
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166 case EBlidSettings: |
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167 { |
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168 if ( !iSettings ) |
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169 { |
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170 iSettings = BlidModelFactory::SettingsL(); |
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171 } |
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172 break; |
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173 } |
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174 case EBlidLocation: |
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175 { |
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176 if ( !iLocation ) |
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177 { |
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178 iLocation = BlidModelFactory::LocationL(iServer, *this); |
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179 } |
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180 break; |
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181 } |
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182 case EBlidRouter: |
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183 { |
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184 if ( !iRouter ) |
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185 { |
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186 iRouter = BlidModelFactory::RouterL(); |
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187 } |
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188 break; |
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189 } |
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190 default: |
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191 { |
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192 // Not supported model type |
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193 __ASSERT_DEBUG(EFalse, BlidEngPanic(ELCEModelTypeNotSupported)); |
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194 break; |
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195 } |
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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 // CBlidEng::GetDistanceToDestination |
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201 // --------------------------------------------------------- |
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202 // |
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203 EXPORT_C TInt CBlidEng::GetDistanceToDestination(TReal32& aDistance) |
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204 { |
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205 if(iRouter->IsAnyPointSet()) |
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206 { |
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207 TInt retVal; |
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208 TPosition& currentPosition = iLocation->GetCurrentPosition(); |
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209 if(iRouter->IsWaypointSet()) |
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210 { |
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211 TNamedCoordinate* destination = iRouter->Waypoint(); |
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212 retVal = destination->Distance(currentPosition, aDistance); |
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213 } |
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214 else |
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215 { |
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216 CPosLandmark* landmark = iRouter->Landmark(); |
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217 TPosition destination; |
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218 landmark->GetPosition(destination); |
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219 retVal = currentPosition.Distance(destination, aDistance); |
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220 } |
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221 |
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222 return retVal; |
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223 } |
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224 else |
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225 { |
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226 return KErrNotFound; |
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227 } |
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228 } |
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229 |
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230 // --------------------------------------------------------- |
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231 // CBlidEng::HasArrivedToDestination |
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232 // --------------------------------------------------------- |
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233 // |
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234 EXPORT_C TBool CBlidEng::HasArrivedToDestination() |
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235 { |
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236 if(iRouter->IsAnyPointSet()) |
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237 { |
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238 TPosition& currentPosition = iLocation->GetCurrentPosition(); |
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239 TReal32 distanceToDestination(0); |
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240 |
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241 if(iRouter->IsWaypointSet()) |
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242 { |
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243 TNamedCoordinate* destination = iRouter->Waypoint(); |
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244 if(destination->Distance(currentPosition, distanceToDestination) != KErrNone) |
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245 { |
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246 return EFalse; |
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247 } |
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248 } |
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249 else |
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250 { |
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251 TPosition destination; |
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252 CPosLandmark* landmark = iRouter->Landmark(); |
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253 landmark->GetPosition(destination); |
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254 if(currentPosition.Distance(destination, distanceToDestination) != KErrNone) |
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255 { |
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256 return EFalse; |
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257 } |
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258 } |
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259 |
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260 if(distanceToDestination <= KMinArrivalDist) |
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261 { |
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262 iSettings->SetArrivedDistance( KMinArrivalDist ); |
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263 return ETrue; |
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264 } |
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265 |
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266 TReal tempHorizontalAccuracy = currentPosition.HorizontalAccuracy(); |
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267 |
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268 if(tempHorizontalAccuracy > KMaxHorAccLimit) |
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269 { |
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270 tempHorizontalAccuracy = KMaxHorAccLimit; |
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271 } |
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272 |
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273 if(distanceToDestination <= tempHorizontalAccuracy) |
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274 { |
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275 iSettings->SetArrivedDistance( tempHorizontalAccuracy ); |
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276 return ETrue; |
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277 } |
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278 } |
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279 return EFalse; |
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280 } |
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281 // ---------------------------------------------------------------------------- |
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282 // CBlidEng::SetAppMode |
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283 // ---------------------------------------------------------------------------- |
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284 // |
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285 EXPORT_C void CBlidEng::SetAppMode(TAppMode aMode) |
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286 { |
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287 iAppMode = aMode; |
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288 } |
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289 |
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290 // ---------------------------------------------------------------------------- |
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291 // CBlidEng::SetBackLightStateL |
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292 // It's allocate the Backlight resource for the client and deallocate also depends |
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293 // Upon the choise of backlight option from the settings view |
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294 // ---------------------------------------------------------------------------- |
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295 // |
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296 EXPORT_C void CBlidEng::SetBackLightStateL(TBacklightState aState) |
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297 { |
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298 if(aState == EBlidBacklightAlwaysOn) |
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299 { |
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300 TRAPD( error, iHWRMLight->ReserveLightL(CHWRMLight::EPrimaryDisplay, EFalse, EFalse); |
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301 iHWRMLight->LightOnL(CHWRMLight::EPrimaryDisplay); ); |
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302 if( error != KErrNone ) |
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303 { |
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304 // do something if necessary. |
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305 } |
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306 } |
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307 else |
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308 { |
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309 iHWRMLight->ReleaseLight(CHWRMLight::EPrimaryDisplay); |
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310 } |
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311 } |
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312 |
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313 // --------------------------------------------------------- |
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314 // CBlidEng::ExternalizeL |
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315 // --------------------------------------------------------- |
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316 // |
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317 void CBlidEng::ExternalizeL( RWriteStream& aStream ) const |
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318 { |
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319 aStream.WriteInt32L( KBlidDocVersion1 ); |
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320 iRouter->ExternalizeL( aStream ); |
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321 } |
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322 |
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323 // --------------------------------------------------------- |
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324 // CBlidEng::InternalizeL |
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325 // --------------------------------------------------------- |
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326 // |
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327 void CBlidEng::InternalizeL( RReadStream& aStream ) |
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328 { |
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329 switch( aStream.ReadInt32L() ) |
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330 { |
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331 case KBlidDocVersion1: |
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332 { |
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333 InternalizeV1L( aStream ); |
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334 break; |
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335 } |
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336 default: |
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337 { |
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338 User::Leave( KErrNotSupported ); |
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339 break; |
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340 } |
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341 } |
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342 } |
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343 |
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344 // --------------------------------------------------------- |
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345 // CBlidEng::InternalizeLV1 |
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346 // --------------------------------------------------------- |
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347 // |
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348 void CBlidEng::InternalizeV1L( RReadStream& aStream ) |
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349 { |
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350 if ( iRouter->Count() ) |
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351 { |
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352 iRouter->ResetAndDestroy(); |
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353 } |
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354 iRouter->InternalizeV1L( aStream ); |
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355 } |
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356 |
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357 // ---------------------------------------------------------------------------- |
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358 // CBlidEng::AppMode |
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359 // ---------------------------------------------------------------------------- |
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360 // |
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361 EXPORT_C CBlidEng::TAppMode CBlidEng::AppMode() |
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362 { |
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363 return iAppMode; |
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364 } |
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365 // End of File |