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1 /* |
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2 * Copyright (c) 2008 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: The source file for the CClockMCCTzIdMapper class. |
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15 * |
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16 */ |
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17 |
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18 // System includes |
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19 #include <tz.h> |
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20 #include <tzdefines.h> |
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21 #include <vtzrules.h> |
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22 #include <bautils.h> |
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23 |
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24 // User includes |
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25 #include "clockmcctzmapper.h" |
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26 #include "clock_debug.h" |
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27 |
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28 // Constants |
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29 |
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30 // Literals |
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31 _LIT( KMCCResourceFileDir, "\\resource\\mcc\\" ); |
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32 _LIT( KMCCResourceFileName, "mcc.rsc" ); |
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33 |
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34 // --------------------------------------------------------- |
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35 // CClockMCCTzIdMapper::NewL |
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36 // rest of the details are commented in the header |
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37 // --------------------------------------------------------- |
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38 // |
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39 CClockMCCTzIdMapper* CClockMCCTzIdMapper::NewL() |
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40 { |
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41 __PRINTS( "CClockMCCTzIdMapper::NewL - Entry" ); |
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42 |
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43 CClockMCCTzIdMapper* self = CClockMCCTzIdMapper::NewLC(); |
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44 CleanupStack::Pop( self ); |
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45 |
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46 __PRINTS( "CClockMCCTzIdMapper::NewL - Exit" ); |
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47 |
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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 // CClockMCCTzIdMapper::NewLC |
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53 // rest of the details are commented in the header |
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54 // --------------------------------------------------------- |
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55 // |
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56 CClockMCCTzIdMapper* CClockMCCTzIdMapper::NewLC() |
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57 { |
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58 __PRINTS( "CClockMCCTzIdMapper::NewLC - Entry" ); |
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59 |
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60 CClockMCCTzIdMapper* self = new ( ELeave ) CClockMCCTzIdMapper(); |
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61 CleanupStack::PushL( self ); |
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62 |
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63 self->ConstructL(); |
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64 |
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65 __PRINTS( "CClockMCCTzIdMapper::NewLC - Exit" ); |
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66 |
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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 // CClockMCCTzIdMapper::ConstructL |
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72 // rest of the details are commented in the header |
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73 // --------------------------------------------------------- |
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74 // |
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75 void CClockMCCTzIdMapper::ConstructL() |
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76 { |
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77 __PRINTS( "CClockMCCTzIdMapper::ConstructL - Entry" ); |
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78 |
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79 // Connect to the file server |
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80 User::LeaveIfError( iFs.Connect() ); |
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81 |
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82 // Get the full filename with drive letter |
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83 TFileName rscFileName; |
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84 TFindFile fileFinder( iFs ); |
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85 |
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86 // TFindFile applies search order that is from drive Y to A, then Z |
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87 TInt err = fileFinder.FindByDir( KMCCResourceFileName, KMCCResourceFileDir ); |
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88 |
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89 if ( err == KErrNone ) |
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90 { |
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91 // Found file. |
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92 rscFileName = fileFinder.File(); |
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93 } |
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94 else |
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95 { |
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96 __PRINTS( "Unable to open mcc.rsc. Leaving now!!" ); |
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97 |
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98 // Leave with reason, file not found. |
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99 User::Leave( KErrPathNotFound ); |
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100 } |
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101 |
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102 // Open the resource file. The resource file will not be localized as it |
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103 // only contains integers, so there is no need to find a language specific |
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104 // resource file name. |
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105 iMCCResourceFile.OpenL( iFs, rscFileName ); |
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106 iMCCResourceFile.ConfirmSignatureL(); |
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107 |
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108 // Assign buffer for holding resource |
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109 TInt resourceId = iMCCResourceFile.Offset() + EMCCFirstResource; |
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110 iResourceBuffer = iMCCResourceFile.AllocReadL( resourceId ); |
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111 |
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112 __PRINTS( "CClockMCCTzIdMapper::ConstructL - Exit" ); |
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113 } |
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114 |
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115 // --------------------------------------------------------- |
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116 // CClockMCCTzIdMapper::~CClockMCCTzIdMapper |
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117 // rest of the details are commented in the header |
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118 // --------------------------------------------------------- |
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119 // |
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120 CClockMCCTzIdMapper::~CClockMCCTzIdMapper() |
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121 { |
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122 __PRINTS( "CClockMCCTzIdMapper::~CClockMCCTzIdMapper - Entry" ); |
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123 |
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124 // Close the resource file. |
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125 iMCCResourceFile.Close(); |
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126 // Free up the resource buffer. |
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127 if( iResourceBuffer ) |
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128 { |
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129 delete iResourceBuffer; |
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130 iResourceBuffer = NULL; |
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131 } |
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132 |
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133 // Close the file server session. |
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134 iFs.Close(); |
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135 |
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136 __PRINTS( "CClockMCCTzIdMapper::~CClockMCCTzIdMapper - Exit" ); |
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137 } |
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138 |
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139 // --------------------------------------------------------- |
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140 // CClockMCCTzIdMapper::UTCOffSetWithoutDSTChangesL |
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141 // rest of the details are commented in the header |
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142 // --------------------------------------------------------- |
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143 // |
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144 TInt CClockMCCTzIdMapper::UTCOffSetWithoutDSTChangesL( RTz& aTz, const CTzId& aTzId ) const |
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145 { |
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146 TInt timeOffset( KErrNotFound ); |
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147 |
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148 TTime universalTime; |
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149 universalTime.UniversalTime(); |
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150 |
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151 // Get the current rules for the timezone rules |
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152 CTzRules* currentRules = aTz.GetTimeZoneRulesL( aTzId, universalTime, universalTime, ETzUtcTimeReference ); |
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153 if( currentRules ) |
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154 { |
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155 timeOffset = currentRules->InitialStdTimeOffset(); |
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156 delete currentRules; |
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157 } |
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158 |
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159 return timeOffset; |
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160 } |
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161 |
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162 // --------------------------------------------------------- |
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163 // CClockMCCTzIdMapper::TzIdFromMccL |
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164 // rest of the details are commented in the header |
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165 // --------------------------------------------------------- |
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166 // |
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167 void CClockMCCTzIdMapper::TzIdFromMccL( const RMobilePhone::TMobilePhoneNetworkCountryCode& aMCC, |
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168 RArray< CTzId >& aTzIdArray, |
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169 const TTimeIntervalMinutes& aStdTimeOffset ) |
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170 { |
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171 __PRINTS( "CClockMCCTzIdMapper::TzIdFromMccL - Entry" ); |
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172 |
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173 // Convert the TMobilePhoneNetworkCountryCode to a TInt. |
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174 TInt currentMcc; |
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175 TLex lexUtil( aMCC ); |
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176 User::LeaveIfError( lexUtil.Val( currentMcc ) ); |
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177 |
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178 __PRINT( "MCC: %d", currentMcc ); |
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179 |
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180 // Get all the DST zones that match mcc |
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181 DoGetTzIdFromMCCL( currentMcc, aTzIdArray ); |
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182 |
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183 // Limit the returned entries to those with a specific StdTimeOffset |
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184 TInt offset = aStdTimeOffset.Int(); |
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185 if( offset != -1 ) |
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186 { |
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187 // Connect to Tz |
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188 RTz tzHandle; |
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189 CleanupClosePushL( tzHandle ); |
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190 User::LeaveIfError( tzHandle.Connect() ); |
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191 |
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192 TInt currentZoneOffset; |
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193 TInt count = aTzIdArray.Count(); |
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194 // Loop through the array in reverse order, removing all entries |
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195 // with non matching standard time offsets. |
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196 for( TInt index( count - 1 ); index >= KErrNone; --index ) |
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197 { |
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198 currentZoneOffset = UTCOffSetWithoutDSTChangesL( tzHandle, aTzIdArray[ index ] ); |
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199 if( currentZoneOffset != offset ) |
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200 { |
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201 aTzIdArray.Remove( index ); |
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202 } |
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203 } |
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204 // Cleanup. |
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205 CleanupStack::PopAndDestroy( &tzHandle ); |
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206 } |
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207 |
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208 __PRINTS( "CClockMCCTzIdMapper::TzIdFromMccL - Exit" ); |
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209 } |
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210 |
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211 // --------------------------------------------------------- |
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212 // CClockMCCTzIdMapper::TzIdFromOffsetL |
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213 // rest of the details are commented in the header |
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214 // --------------------------------------------------------- |
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215 // |
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216 void CClockMCCTzIdMapper::TzIdFromOffsetL( const TTimeIntervalMinutes& aStdTimeOffset, RArray< CTzId >& aTzIdArray ) |
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217 { |
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218 __PRINTS( "CClockMCCTzIdMapper::TzIdFromOffsetL - Entry" ); |
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219 |
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220 // Reset the position in the resource buffer |
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221 iResourceReader.SetBuffer( iResourceBuffer ); |
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222 // First TInt is the number of array items |
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223 TInt numberOfItems( iResourceReader.ReadInt16() ); |
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224 |
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225 // Loop through the resource array reading the TzId |
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226 for( TInt index( KErrNone ); index < numberOfItems; ++index ) |
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227 { |
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228 TInt timeZoneId( iResourceReader.ReadInt16() ); |
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229 TInt mobileCC( iResourceReader.ReadInt16() ); |
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230 |
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231 CTzId* timeZone = CTzId::NewL( timeZoneId ); |
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232 CleanupStack::PushL( timeZone ); |
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233 |
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234 aTzIdArray.AppendL( *timeZone ); |
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235 |
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236 CleanupStack::PopAndDestroy( timeZone ); |
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237 timeZone = NULL; |
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238 } |
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239 |
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240 // Limit the returned entries to those with a specific StdTimeOffset |
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241 TInt timeOffset( aStdTimeOffset.Int() ); |
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242 |
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243 // Connect to Tz |
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244 RTz tzHandle; |
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245 CleanupClosePushL( tzHandle ); |
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246 User::LeaveIfError( tzHandle.Connect() ); |
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247 |
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248 TInt currentZoneOffset; |
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249 TInt idCount( aTzIdArray.Count() ); |
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250 |
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251 // Loop through the array in reverse order, removing all entries |
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252 // with non matching standard time offsets. |
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253 for( TInt index( idCount - 1 ); index >= KErrNone; --index ) |
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254 { |
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255 currentZoneOffset = UTCOffSetWithoutDSTChangesL( tzHandle, aTzIdArray[ index ] ); |
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256 if( currentZoneOffset != timeOffset ) |
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257 { |
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258 aTzIdArray.Remove( index ); |
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259 } |
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260 } |
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261 CleanupStack::PopAndDestroy( &tzHandle ); |
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262 |
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263 // This is a check to see if the timezone array has multiple entries with same timezone ID. |
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264 // This happens because many countries have multiple MCCs for a single timezone ID. |
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265 // For ex: India has MCCs 404 and 405 for the same timezone ID 1624 and offset GMT+5:30. |
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266 TInt zoneCount( aTzIdArray.Count() ); |
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267 if( 1 < zoneCount ) |
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268 { |
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269 CTzId& prevTzId = aTzIdArray[ KErrNone ]; |
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270 for( TInt zoneIndex( zoneCount - 1 ); zoneIndex > KErrNone; --zoneIndex ) |
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271 { |
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272 CTzId& curTzId = aTzIdArray[ zoneIndex ]; |
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273 if( prevTzId != curTzId ) |
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274 { |
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275 // There are multiple timezones. So skip. |
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276 break; |
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277 } |
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278 else |
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279 { |
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280 // Keep removing duplicate zone IDs. |
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281 aTzIdArray.Remove( zoneIndex ); |
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282 } |
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283 } |
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284 } |
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285 |
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286 __PRINTS( "CClockMCCTzIdMapper::TzIdFromOffsetL - Exit" ); |
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287 } |
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288 |
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289 // --------------------------------------------------------- |
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290 // CClockMCCTzIdMapper::DoGetTzIdFromMCCL |
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291 // rest of the details are commented in the header |
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292 // --------------------------------------------------------- |
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293 // |
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294 void CClockMCCTzIdMapper::DoGetTzIdFromMCCL( TInt aMcc, RArray< CTzId >& aTzIdArray ) |
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295 { |
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296 __PRINTS( "CClockMCCTzIdMapper::DoGetTzIdFromMCCL - Entry" ); |
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297 |
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298 __PRINT( "MCC:%d", aMcc ); |
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299 |
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300 // Reset the position in the resource buffer. |
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301 iResourceReader.SetBuffer( iResourceBuffer ); |
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302 // First TInt is the number of array items. |
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303 TInt numberOfItems( iResourceReader.ReadInt16() ); |
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304 |
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305 TInt timeZoneId; |
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306 TInt mobileCC; |
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307 CTzId* matchingDSTZone( NULL ); |
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308 |
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309 // Loop through the resource array reading the TzId / MCC pairs. |
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310 for( TInt index( KErrNone ); index < numberOfItems; ++index ) |
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311 { |
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312 timeZoneId = iResourceReader.ReadInt16(); |
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313 mobileCC = iResourceReader.ReadInt16(); |
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314 |
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315 // Found a match - create a new CTzId and append to the TzId array. |
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316 if( mobileCC == aMcc ) |
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317 { |
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318 matchingDSTZone = CTzId::NewL( timeZoneId ); |
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319 CleanupStack::PushL( matchingDSTZone ); |
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320 |
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321 aTzIdArray.AppendL( *matchingDSTZone ); |
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322 |
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323 CleanupStack::PopAndDestroy( matchingDSTZone ); |
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324 |
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325 matchingDSTZone = NULL; |
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326 } |
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327 } |
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328 |
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329 __PRINTS( "CClockMCCTzIdMapper::DoGetTzIdFromMCCL - Exit" ); |
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330 } |
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331 |
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332 // --------------------------------------------------------- |
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333 // CClockMCCTzIdMapper::MCCFromTzIdL |
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334 // rest of the details are commented in the header |
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335 // --------------------------------------------------------- |
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336 // |
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337 TInt CClockMCCTzIdMapper::MCCFromTzIdL( const CTzId& aTzId ) |
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338 { |
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339 __PRINTS( "CClockMCCTzIdMapper::MCCFromTzIdL - Entry" ); |
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340 |
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341 // Reset the position in the resource buffer |
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342 iResourceReader.SetBuffer( iResourceBuffer ); |
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343 // First TInt is the number of array items |
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344 TInt numberOfItems( iResourceReader.ReadInt16() ); |
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345 TInt timeZoneId; |
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346 TInt mobileCC; |
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347 |
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348 // Loop through the resource array reading the TzId / MCC pairs |
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349 for( TInt index( KErrNone ); index < numberOfItems; ++index ) |
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350 { |
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351 timeZoneId = iResourceReader.ReadInt16(); |
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352 mobileCC = iResourceReader.ReadInt16(); |
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353 |
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354 // Found a match return the mcc |
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355 if( timeZoneId == aTzId.TimeZoneNumericID() ) |
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356 { |
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357 __PRINT( "Found a match, MCC - %d", mobileCC ); |
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358 |
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359 return mobileCC; |
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360 } |
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361 } |
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362 |
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363 __PRINTS( "CClockMCCTzIdMapper::MCCFromTzIdL - Exit" ); |
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364 |
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365 return KErrNotFound; |
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366 } |
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367 |
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368 // End of file |