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1 /* |
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2 * Copyright (c) 2009 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: Implementation of CSsmLocaleObserverSup class. |
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15 * |
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16 */ |
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17 |
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18 #include <bacntf.h> |
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19 #include <bautils.h> |
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20 #include <connect/sbdefs.h> |
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21 #include <s32file.h> |
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22 |
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23 #include "ssmmapperutilitystatic.h" |
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24 #include "ssmlocaleobserversup.h" |
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25 #include "trace.h" |
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26 |
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27 /** |
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28 * Directory to store user-specific locale data files. |
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29 * Private directory of SSM Utility Server. |
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30 */ |
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31 _LIT( KLocaleDataDir, "\\private\\2000d766\\localedata\\" ); |
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32 |
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33 /** Name is LocaleData.Dnn or CommonData.D00 */ |
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34 _LIT( KFileName, "LocaleData.D" ); |
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35 _LIT( KCommonFileName, "CommonData.D" ); |
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36 |
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37 /** |
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38 * Version number from 1..255 to indicate data |
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39 * format of the file. To make dynamic data format fixes possible we need |
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40 * version ID. |
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41 */ |
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42 const TInt KCurrentVersionNumber = 2; // For fixing TChar r/w |
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43 |
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44 // ======== LOCAL FUNCTIONS ======== |
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45 |
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46 // --------------------------------------------------------------------------- |
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47 // EnvChangeNotifierCallbackL |
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48 // --------------------------------------------------------------------------- |
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49 // |
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50 static TInt EnvChangeNotifierCallback( TAny* aThis ) |
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51 { |
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52 CSsmLocaleObserverSup* self = static_cast<CSsmLocaleObserverSup*>( aThis ); |
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53 ASSERT_TRACE( self ); |
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54 TRAPD( err, self->EnvChangeOccurredL() ); |
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55 ERROR( err, "Failed to handle environment change" ); |
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56 return err; |
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57 } |
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58 |
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59 |
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60 // --------------------------------------------------------------------------- |
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61 // MakeFileNameL |
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62 // --------------------------------------------------------------------------- |
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63 // |
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64 static HBufC* MakeFileNameL( const TDesC& aPath, const TDesC& aName, const TInt aCode ) |
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65 { |
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66 FUNC_LOG; |
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67 INFO_3( "Locale data dir: %S, file name base: %S, lang code: %d", &aPath, &aName, aCode ); |
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68 |
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69 TInt length = aPath.Length(); |
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70 |
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71 // Reserve spave for language code also |
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72 HBufC* buffer = HBufC::NewL( length + aName.Length() + 10 ); |
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73 TPtr ptr = buffer->Des(); |
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74 ptr.Append( aPath ); |
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75 if ( length > 0 && aPath[ length - 1 ] != KPathDelimiter ) |
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76 { |
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77 ptr.Append( KPathDelimiter ); |
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78 } |
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79 |
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80 ptr.Append( aName ); |
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81 if ( aCode < 10 ) |
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82 { |
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83 ptr.AppendNum( 0 ); // add leading zero to the extention |
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84 } |
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85 ptr.AppendNum( aCode ); |
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86 |
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87 INFO_1( "Locale data file: %S", buffer ); |
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88 |
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89 return buffer; |
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90 } |
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91 |
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92 |
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93 // ======== MEMBER FUNCTIONS ======== |
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94 |
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95 // --------------------------------------------------------------------------- |
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96 // CSsmLocaleObserverSup::NewL |
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97 // --------------------------------------------------------------------------- |
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98 // |
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99 EXPORT_C MSsmUtility* CSsmLocaleObserverSup::NewL() |
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100 { |
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101 CSsmLocaleObserverSup* self = new ( ELeave ) CSsmLocaleObserverSup; |
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102 return self; |
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103 } |
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104 |
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105 |
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106 // --------------------------------------------------------------------------- |
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107 // CSsmLocaleObserverSup::~CSsmLocaleObserverSup |
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108 // --------------------------------------------------------------------------- |
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109 // |
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110 CSsmLocaleObserverSup::~CSsmLocaleObserverSup() |
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111 { |
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112 FUNC_LOG; |
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113 |
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114 Cancel(); |
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115 delete iEnvChangeNotifier; |
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116 iFs.Close(); |
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117 iProperty.Close(); |
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118 } |
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119 |
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120 |
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121 // --------------------------------------------------------------------------- |
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122 // CSsmLocaleObserverSup::EnvChangeOccurredL |
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123 // --------------------------------------------------------------------------- |
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124 // |
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125 void CSsmLocaleObserverSup::EnvChangeOccurredL() |
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126 { |
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127 FUNC_LOG; |
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128 |
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129 const TInt changes( iEnvChangeNotifier->Change() ); |
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130 INFO_2( "Env data changed: 0x%08x, restore active: %d", |
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131 changes, iRestoreActive ); |
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132 |
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133 if ( !iRestoreActive && ( changes & EChangesLocale ) ) |
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134 { |
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135 TParsePtrC parse( KLocaleDataDir ); |
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136 SaveLocaleL( parse.FullName() ); |
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137 } |
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138 |
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139 if( changes & EChangesSystemTime ) |
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140 { |
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141 INFO( "Persisting HAL settings" ); |
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142 // Changes by writing to HAL |
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143 TInt err = BaflUtils::PersistHAL(); |
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144 ERROR( err, "BaflUtils::PersistHAL failed" ); |
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145 } |
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146 } |
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147 |
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148 |
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149 // --------------------------------------------------------------------------- |
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150 // CSsmLocaleObserverSup::RunL |
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151 // --------------------------------------------------------------------------- |
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152 // |
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153 void CSsmLocaleObserverSup::RunL() |
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154 { |
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155 FUNC_LOG; |
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156 |
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157 TInt err = iStatus.Int(); |
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158 ERROR( err, "RSsmStateAdaptation::NotifyCoopSysEvent completed with error" ); |
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159 |
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160 if ( err != KErrServerTerminated ) |
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161 { |
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162 Activate(); |
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163 } |
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164 |
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165 if ( err == KErrNone ) |
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166 { |
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167 TInt status( 0 ); |
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168 err = iProperty.Get( status ); |
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169 ERROR( err, "Failed to get backup status from P&S" ); |
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170 |
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171 if ( err == KErrNone ) |
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172 { |
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173 TInt type = status & conn::KBURPartTypeMask; |
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174 if ( type == conn::EBURRestoreFull || |
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175 type == conn::EBURRestorePartial ) |
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176 { |
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177 INFO( "Restore started" ); |
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178 |
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179 iRestoreActive = ETrue; |
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180 } |
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181 else if ( type == conn::EBURNormal && iRestoreActive ) |
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182 { |
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183 INFO( "Restore finished" ); |
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184 |
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185 iRestoreActive = EFalse; |
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186 |
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187 TParsePtrC parse( KLocaleDataDir ); |
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188 TRAP( err, LoadLocaleL( parse.FullName() ) ); |
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189 ERROR( err, "Failed to load locale" ); |
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190 // Can not do anything about the error - just continue. |
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191 } |
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192 } |
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193 } |
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194 } |
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195 |
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196 |
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197 // --------------------------------------------------------------------------- |
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198 // CSsmLocaleObserverSup::DoCancel() |
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199 // --------------------------------------------------------------------------- |
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200 // |
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201 void CSsmLocaleObserverSup::DoCancel() |
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202 { |
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203 FUNC_LOG; |
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204 |
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205 iProperty.Cancel(); |
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206 } |
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207 |
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208 |
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209 // --------------------------------------------------------------------------- |
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210 // CSsmLocaleObserverSup::InitializeL() |
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211 // --------------------------------------------------------------------------- |
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212 // |
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213 void CSsmLocaleObserverSup::InitializeL() |
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214 { |
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215 FUNC_LOG; |
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216 |
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217 TInt err = iFs.Connect(); |
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218 ERROR( err, "Failed to connect to file server" ); |
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219 User::LeaveIfError( err ); |
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220 |
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221 TRAP( err, iEnvChangeNotifier = CEnvironmentChangeNotifier::NewL( |
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222 CActive::EPriorityStandard, |
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223 TCallBack( EnvChangeNotifierCallback, this ) ) ); |
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224 ERROR( err, "Failed to create environment change notifier" ); |
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225 User::LeaveIfError( err ); |
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226 } |
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227 |
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228 |
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229 // --------------------------------------------------------------------------- |
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230 // CSsmLocaleObserverSup::StartL() |
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231 // --------------------------------------------------------------------------- |
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232 // |
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233 void CSsmLocaleObserverSup::StartL() |
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234 { |
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235 FUNC_LOG; |
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236 |
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237 TParsePtrC parse( KLocaleDataDir ); |
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238 TRAPD_ERR( err, LoadLocaleL( parse.FullName() ) ); |
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239 ERROR( err, "Failed to load locale data the first time" ); |
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240 |
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241 if ( iEnvChangeNotifier ) |
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242 { |
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243 iEnvChangeNotifier->Start(); |
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244 } |
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245 |
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246 TInt err1 = iProperty.Attach( SsmMapperUtility::PsUid( KUidSystemCategory ), conn::KUidBackupRestoreKey ); |
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247 ERROR( err1, "Failed to attach to KUidBackupRestoreKey" ); |
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248 |
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249 Activate(); |
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250 } |
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251 |
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252 |
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253 // --------------------------------------------------------------------------- |
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254 // CSsmLocaleObserverSup::Release() |
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255 // --------------------------------------------------------------------------- |
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256 // |
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257 void CSsmLocaleObserverSup::Release() |
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258 { |
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259 FUNC_LOG; |
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260 |
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261 delete this; |
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262 } |
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263 |
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264 |
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265 // --------------------------------------------------------------------------- |
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266 // CSsmLocaleObserverSup::CSsmLocaleObserverSup |
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267 // --------------------------------------------------------------------------- |
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268 // |
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269 CSsmLocaleObserverSup::CSsmLocaleObserverSup() |
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270 : CActive( EPriorityNormal ), |
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271 iRestoreActive( EFalse ) |
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272 { |
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273 FUNC_LOG; |
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274 |
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275 CActiveScheduler::Add( this ); |
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276 } |
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277 |
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278 |
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279 // --------------------------------------------------------------------------- |
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280 // CSsmLocaleObserverSup::Activate |
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281 // --------------------------------------------------------------------------- |
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282 // |
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283 void CSsmLocaleObserverSup::Activate() |
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284 { |
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285 FUNC_LOG; |
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286 ASSERT_TRACE( !IsActive() ); |
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287 |
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288 iProperty.Subscribe( iStatus ); |
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289 SetActive(); |
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290 } |
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291 |
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292 |
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293 // --------------------------------------------------------------------------- |
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294 // CSsmLocaleObserverSup::SaveLocaleL |
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295 // --------------------------------------------------------------------------- |
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296 // |
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297 void CSsmLocaleObserverSup::SaveLocaleL( const TDesC& aPath ) |
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298 { |
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299 FUNC_LOG; |
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300 INFO( "Saving locale data" ); |
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301 |
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302 HBufC* fName = MakeFileNameL( aPath, KFileName, User::Language() ); |
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303 CleanupStack::PushL( fName ); |
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304 |
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305 RFileWriteStream fStream; |
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306 CleanupClosePushL( fStream ); |
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307 // According to documentation RFileWriteStream |
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308 // keeps written data in RAM until CommitL has been |
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309 // called. |
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310 |
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311 TInt err = iFs.MkDirAll( *fName ); // Ignore errors |
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312 err = fStream.Create( iFs, *fName, EFileWrite ); |
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313 if ( err == KErrAlreadyExists ) |
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314 { |
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315 // Override |
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316 err = fStream.Open( iFs, *fName, EFileWrite ); |
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317 ERROR_1( err, "Failed to open stream %S", fName ); |
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318 } |
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319 User::LeaveIfError( err ); |
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320 |
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321 // Write first the version number to enable |
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322 // support for file format changes. |
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323 fStream.WriteInt8L( KCurrentVersionNumber ); |
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324 |
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325 TLocale locale; // copy current values |
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326 fStream.WriteInt16L( locale.CountryCode() ); |
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327 fStream.WriteInt16L( 0 ); // reserved |
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328 fStream.WriteInt8L( locale.DateFormat() ); |
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329 fStream.WriteInt8L( locale.TimeFormat() ); |
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330 fStream.WriteInt8L( locale.CurrencySymbolPosition() ); |
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331 fStream.WriteInt8L( locale.CurrencySpaceBetween() ); |
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332 fStream.WriteInt8L( locale.CurrencyDecimalPlaces() ); |
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333 fStream.WriteInt8L( locale.CurrencyNegativeInBrackets() ); |
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334 fStream.WriteInt8L( locale.CurrencyTriadsAllowed() ); |
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335 fStream.WriteUint32L( locale.ThousandsSeparator() ); |
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336 fStream.WriteUint32L( locale.DecimalSeparator() ); |
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337 fStream.WriteInt8L( KMaxDateSeparators ); // restoring this constant. It might chance. |
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338 TInt counter( 0 ); |
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339 for ( counter = 0; counter < KMaxDateSeparators; counter++ ) |
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340 { |
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341 fStream.WriteUint32L( locale.DateSeparator( counter ) ); |
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342 } |
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343 fStream.WriteInt8L( KMaxTimeSeparators ); // restoring this constant. It might chance. |
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344 for ( counter = 0; counter < KMaxTimeSeparators; counter++ ) |
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345 { |
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346 fStream.WriteUint32L( locale.TimeSeparator( counter ) ); |
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347 } |
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348 fStream.WriteInt8L( locale.AmPmSpaceBetween() ); |
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349 fStream.WriteInt8L( locale.AmPmSymbolPosition() ); |
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350 |
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351 // DaylightSaving and HomeDaylightSavingZone are not part of TLocale |
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352 // any more, zeros are written to LocaleData.Dxx to keep file structure |
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353 // as it was. |
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354 fStream.WriteInt32L( 0 ); |
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355 fStream.WriteUint32L( 0 ); |
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356 |
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357 fStream.WriteUint8L( locale.WorkDays() ); |
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358 fStream.WriteInt8L( locale.StartOfWeek() ); |
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359 fStream.WriteInt8L( locale.ClockFormat() ); |
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360 fStream.WriteInt8L( locale.UnitsGeneral() ); |
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361 fStream.WriteInt8L( locale.UnitsDistanceShort() ); |
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362 fStream.WriteInt8L( locale.UnitsDistanceLong() ); |
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363 fStream.WriteInt8L( locale.NegativeCurrencyFormat() ); |
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364 fStream.WriteInt8L( locale.NegativeLoseSpace() ); |
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365 fStream.WriteInt8L( locale.NegativeCurrencySymbolOpposite() ); |
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366 fStream.WriteInt16L( locale.DigitType() ); |
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367 |
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368 // Then save display language independent data |
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369 SaveIndependentDataL( locale, aPath ); |
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370 |
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371 // If CommitL leaves it means probably full disk. |
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372 // It is here assumed that data has not been changed if this leaves. |
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373 fStream.CommitL(); |
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374 |
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375 CleanupStack::PopAndDestroy( &fStream ); |
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376 CleanupStack::PopAndDestroy( fName ); |
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377 } |
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378 |
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379 |
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380 // --------------------------------------------------------------------------- |
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381 // CSsmLocaleObserverSup::LoadLocaleL |
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382 // --------------------------------------------------------------------------- |
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383 // |
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384 void CSsmLocaleObserverSup::LoadLocaleL( const TDesC& aPath ) |
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385 { |
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386 FUNC_LOG; |
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387 INFO( "Loading locale data" ); |
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388 |
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389 HBufC* fName = MakeFileNameL( aPath, KFileName, User::Language() ); |
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390 CleanupStack::PushL( fName ); |
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391 |
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392 TLocale locale; // copy current values |
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393 |
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394 RFileReadStream fStream; |
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395 CleanupClosePushL( fStream ); |
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396 TInt err = fStream.Open( iFs, *fName, EFileRead ); |
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397 if ( err != KErrNotFound && err != KErrPathNotFound ) |
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398 { |
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399 ERROR_1( err, "Failed to open stream %S", fName ); |
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400 // Data file is missing upon the first boot or when switching into a |
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401 // language for the first time |
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402 } |
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403 |
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404 if ( err == KErrNone ) |
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405 { |
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406 TInt version = fStream.ReadInt8L(); |
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407 INFO_1( "Locale file version: %d", version ); |
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408 |
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409 locale.SetCountryCode( fStream.ReadInt16L() ); |
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410 fStream.ReadInt16L(); // obsolete |
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411 locale.SetDateFormat( static_cast< TDateFormat >( fStream.ReadInt8L() ) ); |
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412 locale.SetTimeFormat( static_cast< TTimeFormat >( fStream.ReadInt8L() ) ); |
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413 locale.SetCurrencySymbolPosition( static_cast< TLocalePos >( fStream.ReadInt8L() ) ); |
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414 locale.SetCurrencySpaceBetween( fStream.ReadInt8L() ); |
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415 locale.SetCurrencyDecimalPlaces( fStream.ReadInt8L() ); |
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416 locale.SetCurrencyNegativeInBrackets( fStream.ReadInt8L() ); |
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417 locale.SetCurrencyTriadsAllowed( fStream.ReadInt8L() ); |
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418 locale.SetThousandsSeparator( fStream.ReadUint32L() ); |
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419 locale.SetDecimalSeparator( fStream.ReadUint32L() ); |
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420 TInt dateSeparators = fStream.ReadInt8L(); |
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421 TInt counter( 0 ); |
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422 for ( counter = 0; counter < dateSeparators ; counter++ ) |
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423 { |
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424 locale.SetDateSeparator( fStream.ReadUint32L(), counter ); |
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425 } |
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426 TInt timeSeparators = fStream.ReadInt8L(); |
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427 for ( counter = 0; counter < timeSeparators; counter++ ) |
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428 { |
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429 locale.SetTimeSeparator( fStream.ReadUint32L(), counter ); |
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430 } |
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431 locale.SetAmPmSpaceBetween( fStream.ReadInt8L() ); |
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432 locale.SetAmPmSymbolPosition( static_cast< TLocalePos >( fStream.ReadInt8L() ) ); |
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433 |
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434 // DaylightSaving and HomeDaylightSavingZone are not part of TLocale |
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435 // any more, zeros are written to LocaleData.Dxx to keep file structure |
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436 // as it was. |
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437 fStream.ReadUint32L(); |
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438 fStream.ReadUint32L(); |
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439 |
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440 locale.SetWorkDays( fStream.ReadUint8L() ); |
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441 locale.SetStartOfWeek( static_cast< TDay >( fStream.ReadInt8L() ) ); |
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442 locale.SetClockFormat( static_cast< TClockFormat>( fStream.ReadInt8L() ) ); |
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443 locale.SetUnitsGeneral( static_cast< TUnitsFormat >( fStream.ReadInt8L() ) ); |
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444 locale.SetUnitsDistanceShort( static_cast< TUnitsFormat >( fStream.ReadInt8L() ) ); |
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445 locale.SetUnitsDistanceLong( static_cast< TUnitsFormat >( fStream.ReadInt8L() ) ); |
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446 locale.SetNegativeCurrencyFormat( |
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447 static_cast< TLocale::TNegativeCurrencyFormat >( fStream.ReadInt8L() ) ); |
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448 locale.SetNegativeLoseSpace( fStream.ReadInt8L() ); |
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449 locale.SetNegativeCurrencySymbolOpposite( fStream.ReadInt8L() ); |
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450 locale.SetDigitType( static_cast< TDigitType >( fStream.ReadInt16L() ) ); |
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451 } |
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452 |
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453 // Then patch data with locale independent data (code 00) |
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454 // No changes to locale if no independent data can be found (the very first boot) |
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455 LoadIndependentDataL( locale, aPath ); |
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456 |
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457 // Save changes to the system. |
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458 locale.Set(); |
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459 |
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460 CleanupStack::PopAndDestroy( &fStream ); |
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461 CleanupStack::PopAndDestroy( fName ); |
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462 } |
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463 |
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464 |
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465 // --------------------------------------------------------------------------- |
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466 // CSsmLocaleObserverSup::SaveIndependentDataL |
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467 // --------------------------------------------------------------------------- |
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468 // |
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469 void CSsmLocaleObserverSup::SaveIndependentDataL( |
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470 const TLocale& aLocale, |
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471 const TDesC& aPath ) |
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472 { |
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473 FUNC_LOG; |
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474 |
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475 // Get old independent data, if any. |
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476 TLocale savedLoc; |
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477 TRAPD( err, LoadIndependentDataL( savedLoc, aPath ) ); |
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478 ERROR( err, "Failed to load locale independent data" ); |
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479 |
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480 HBufC* fName = MakeFileNameL( aPath, KCommonFileName, 0 ); |
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481 CleanupStack::PushL( fName ); |
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482 RFileWriteStream fStream; |
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483 CleanupClosePushL( fStream ); |
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484 |
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485 err = iFs.MkDirAll( *fName ); // Ignore errors |
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486 err = fStream.Create( iFs, *fName, EFileWrite ); |
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487 if ( err == KErrAlreadyExists ) |
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488 { |
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489 // Override |
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490 err = fStream.Open( iFs, *fName, EFileWrite ); |
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491 ERROR_1( err, "Failed to create stream %S", fName ); |
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492 } |
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493 User::LeaveIfError( err ); |
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494 |
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495 // Write first the version number to enable support for file format changes. |
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496 fStream.WriteInt8L( KCurrentVersionNumber ); |
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497 fStream.WriteInt32L( 0 ); // Universal time offset is not part of TLocale |
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498 // any more. Write zero here to keep file structure. |
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499 // Clock format is also common. |
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500 fStream.WriteUint32L( aLocale.ClockFormat() ); |
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501 fStream.WriteUint32L( 0 ); // reserved 2 |
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502 fStream.WriteUint32L( 0 ); // reserved 3 |
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503 |
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504 fStream.CommitL(); |
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505 |
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506 CleanupStack::PopAndDestroy( &fStream ); |
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507 CleanupStack::PopAndDestroy( fName ); |
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508 } |
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509 |
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510 |
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511 // --------------------------------------------------------------------------- |
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512 // CSsmLocaleObserverSup::LoadIndependentDataL |
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513 // --------------------------------------------------------------------------- |
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514 // |
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515 void CSsmLocaleObserverSup::LoadIndependentDataL( |
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516 TLocale& aLocale, |
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517 const TDesC& aPath ) |
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518 { |
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519 FUNC_LOG; |
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520 |
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521 HBufC* fName = MakeFileNameL( aPath, KCommonFileName, 0 ); |
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522 CleanupStack::PushL( fName ); |
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523 |
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524 RFileReadStream fStream; |
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525 CleanupClosePushL( fStream ); |
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526 TInt err = fStream.Open( iFs, *fName, EFileRead ); |
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527 if ( err != KErrNotFound && err != KErrPathNotFound ) |
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528 { |
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529 ERROR_1( err, "Failed to open stream %S", fName ); |
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530 // Data file is missing upon the first boot or when switching into a |
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531 // language for the first time |
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532 } |
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533 |
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534 if ( err == KErrNotFound || err == KErrPathNotFound ) |
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535 { |
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536 // File not found --> Not an error because |
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537 // this is a new file and older builds do not have this file. |
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538 INFO( "No locale data found" ); |
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539 } |
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540 else |
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541 { |
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542 User::LeaveIfError( err ); |
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543 |
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544 fStream.ReadInt8L(); // Version. |
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545 fStream.ReadInt32L(); // Universal time offset was stored here. |
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546 aLocale.SetClockFormat( ( TClockFormat ) fStream.ReadUint32L() ); |
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547 fStream.ReadUint32L(); // reserved 2 |
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548 fStream.ReadUint32L(); // reserved 3 |
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549 } |
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550 |
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551 CleanupStack::PopAndDestroy( &fStream ); |
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552 CleanupStack::PopAndDestroy( fName ); |
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553 } |