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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: |
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15 * Implementation of CSsmLangSelCmd class. |
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16 * |
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17 */ |
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18 |
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19 #include "ssmlangselcmd.h" |
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20 #include "ssmmapperutility.h" |
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21 #include "ssmalternativelanguages.h" |
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22 #include "ssmlanguageloader.h" |
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23 #include "syslangutilprivatecrkeys.h" |
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24 #include "trace.h" |
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25 |
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26 #include <syslangutil.h> |
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27 #include <CommonEngineDomainCRKeys.h> |
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28 #include <centralrepository.h> |
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29 |
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30 |
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31 /** Default granularity for list of installed languages. */ |
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32 const TInt KLanguageListGranularity( 4 ); |
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33 |
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34 |
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35 // ======== MEMBER FUNCTIONS ======== |
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36 |
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37 // --------------------------------------------------------------------------- |
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38 // CSsmLangSelCmd::NewL |
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39 // --------------------------------------------------------------------------- |
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40 // |
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41 CSsmLangSelCmd* CSsmLangSelCmd::NewL() |
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42 { |
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43 FUNC_LOG; |
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44 CSsmLangSelCmd* self = new ( ELeave ) CSsmLangSelCmd(); |
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45 CleanupStack::PushL( self ); |
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46 self->ConstructL(); |
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47 CleanupStack::Pop( 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 // --------------------------------------------------------------------------- |
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53 // CSsmLangSelCmd::~CSsmLangSelCmd |
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54 // --------------------------------------------------------------------------- |
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55 // |
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56 CSsmLangSelCmd::~CSsmLangSelCmd() |
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57 { |
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58 FUNC_LOG; |
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59 delete iLangList; |
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60 delete iMapperUtility; |
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61 } |
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62 |
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63 // --------------------------------------------------------------------------- |
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64 // CSsmLangSelCmd::RunL |
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65 // |
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66 // --------------------------------------------------------------------------- |
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67 // |
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68 void CSsmLangSelCmd::RunL() |
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69 { |
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70 FUNC_LOG; |
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71 TInt errorCode = iStatus.Int(); |
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72 |
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73 ERROR( errorCode, "CSsmLangSelCmd::RunL with error" ); |
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74 |
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75 if ( iState == EQueryListSize ) |
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76 { |
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77 if ( errorCode == KErrNone ) |
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78 { |
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79 TRAP( errorCode, FetchLanguageListL() ); |
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80 ERROR( errorCode, "Failed to fetch language list" ); |
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81 } |
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82 else |
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83 { |
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84 TryNextList(); |
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85 } |
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86 } |
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87 } |
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88 |
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89 |
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90 // --------------------------------------------------------------------------- |
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91 // CSsmLangSelCmd::DoCancel |
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92 // |
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93 // --------------------------------------------------------------------------- |
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94 // |
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95 void CSsmLangSelCmd::DoCancel() |
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96 { |
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97 FUNC_LOG; |
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98 } |
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99 |
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100 |
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101 // --------------------------------------------------------------------------- |
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102 // CSsmLangSelCmd::Initialize |
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103 // --------------------------------------------------------------------------- |
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104 // |
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105 TInt CSsmLangSelCmd::Initialize( CSsmCustomCommandEnv* aCmdEnv ) |
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106 { |
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107 FUNC_LOG; |
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108 |
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109 iEnv = aCmdEnv; |
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110 TRAPD( errorCode, InitializeL() ); |
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111 return errorCode; |
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112 } |
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113 |
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114 |
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115 // --------------------------------------------------------------------------- |
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116 // CSsmLangSelCmd::Execute |
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117 // --------------------------------------------------------------------------- |
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118 // |
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119 void CSsmLangSelCmd::Execute( |
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120 const TDesC8& /*aParams*/, |
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121 TRequestStatus& aRequest ) |
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122 { |
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123 FUNC_LOG; |
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124 |
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125 ASSERT_TRACE( !iClientStatus ); |
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126 ASSERT_TRACE( !IsActive() ); |
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127 ASSERT_TRACE( iEnv ); |
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128 |
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129 aRequest = KRequestPending; |
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130 iClientStatus = &aRequest; |
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131 |
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132 |
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133 RFs* fsSession = &( const_cast<RFs&>( iEnv->Rfs() ) ); |
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134 TInt errorCode = SysLangUtil::GetDefaultLanguage( iDefaultLanguage, |
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135 fsSession ); |
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136 ERROR( errorCode, "Failed to get default language" ); |
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137 |
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138 TInt lastSelectedLang = GetLastSelectedLang(); |
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139 // Revert to automatic selection if fetching last used language |
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140 // fails, last used language is not valid (and obviously when last |
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141 // selection is automatic). |
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142 if ( lastSelectedLang == 0 ) |
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143 { |
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144 PrepareNextList(); |
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145 } |
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146 else if ( IsValid( lastSelectedLang ) ) |
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147 { |
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148 UseLanguage( lastSelectedLang ); |
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149 } |
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150 else |
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151 { |
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152 UseLanguage( iDefaultLanguage ); |
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153 } |
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154 } |
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155 |
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156 |
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157 // --------------------------------------------------------------------------- |
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158 // CSsmLangSelCmd::ExecuteCancel |
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159 // --------------------------------------------------------------------------- |
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160 // |
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161 void CSsmLangSelCmd::ExecuteCancel() |
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162 { |
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163 FUNC_LOG; |
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164 |
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165 Cancel(); |
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166 } |
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167 |
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168 |
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169 // --------------------------------------------------------------------------- |
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170 // CSsmLangSelCmd::Close |
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171 // --------------------------------------------------------------------------- |
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172 // |
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173 void CSsmLangSelCmd::Close() |
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174 { |
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175 FUNC_LOG; |
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176 delete iValidLanguages; |
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177 iValidLanguages = NULL; |
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178 |
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179 iAdaptation.Close(); |
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180 } |
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181 |
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182 |
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183 // --------------------------------------------------------------------------- |
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184 // CSsmLangSelCmd::Release |
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185 // --------------------------------------------------------------------------- |
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186 // |
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187 void CSsmLangSelCmd::Release() |
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188 { |
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189 FUNC_LOG; |
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190 |
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191 delete this; |
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192 } |
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193 // --------------------------------------------------------------------------- |
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194 // CSsmLangSelCmd::CSsmLangSelCmd |
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195 // --------------------------------------------------------------------------- |
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196 // |
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197 |
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198 CSsmLangSelCmd::CSsmLangSelCmd() |
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199 : CActive( EPriorityNormal ) |
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200 { |
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201 FUNC_LOG; |
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202 |
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203 CActiveScheduler::Add( this ); |
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204 } |
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205 |
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206 |
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207 // --------------------------------------------------------------------------- |
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208 // CSsmLangSelCmd::ConstructL |
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209 // --------------------------------------------------------------------------- |
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210 // |
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211 void CSsmLangSelCmd::ConstructL() |
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212 { |
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213 iMapperUtility = CSsmMapperUtility::NewL(); |
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214 } |
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215 |
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216 |
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217 // --------------------------------------------------------------------------- |
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218 // CSsmLangSelCmd::InitializeL |
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219 // --------------------------------------------------------------------------- |
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220 // |
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221 void CSsmLangSelCmd::InitializeL() |
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222 { |
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223 |
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224 FUNC_LOG; |
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225 ASSERT_TRACE( iEnv ); |
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226 |
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227 iValidLanguages = new ( ELeave ) CArrayFixFlat<TInt>( |
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228 KLanguageListGranularity ); |
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229 RFs* fsSession = &( const_cast<RFs&>( iEnv->Rfs() ) ); |
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230 TInt errorCode = SysLangUtil::GetInstalledLanguages( iValidLanguages, |
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231 fsSession ); |
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232 |
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233 ERROR( errorCode, "Failed to get installed languages" ); |
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234 User::LeaveIfError( errorCode ); |
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235 |
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236 errorCode = iAdaptation.Connect(); |
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237 ERROR( errorCode, "Failed to connect to RSsmMiscAdaptation" ); |
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238 User::LeaveIfError( errorCode ); |
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239 } |
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240 |
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241 // --------------------------------------------------------------------------- |
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242 // CSsmLangSelCmd::GetLastSelectedLang |
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243 // |
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244 // --------------------------------------------------------------------------- |
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245 // |
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246 TInt CSsmLangSelCmd::GetLastSelectedLang() |
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247 { |
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248 FUNC_LOG; |
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249 |
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250 TInt value( 0 ); |
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251 TInt errorCode = iMapperUtility->CrValue( KCRUidCommonEngineKeys, |
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252 KGSDisplayTxtLang, |
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253 value ); |
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254 |
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255 ERROR( errorCode, "Failed read KGSDisplayTxtLang CenRep key" ); |
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256 INFO_1( "Last selected language = %d", value ); |
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257 return value; |
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258 } |
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259 |
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260 |
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261 // --------------------------------------------------------------------------- |
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262 // CSsmLangSelCmd::IsValid |
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263 // |
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264 // --------------------------------------------------------------------------- |
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265 // |
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266 TBool CSsmLangSelCmd::IsValid( const TInt aLanguage ) const |
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267 { |
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268 FUNC_LOG; |
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269 ASSERT_TRACE( iValidLanguages ); |
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270 |
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271 TBool valid( EFalse ); |
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272 TKeyArrayFix keyProp( 0, ECmpTInt ); |
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273 TInt index( KErrNotFound ); |
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274 // Returns zero if element is found. |
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275 if ( 0 == iValidLanguages->Find( aLanguage, keyProp, index ) ) |
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276 { |
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277 valid = ETrue; |
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278 } |
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279 return valid; |
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280 } |
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281 |
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282 |
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283 // --------------------------------------------------------------------------- |
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284 // CSsmLangSelCmd::PrepareNextList |
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285 // |
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286 // --------------------------------------------------------------------------- |
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287 // |
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288 void CSsmLangSelCmd::PrepareNextList() |
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289 { |
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290 FUNC_LOG; |
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291 ASSERT_TRACE( iLangListPref >= EPrimaryLanguages && |
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292 iLangListPref <= ETertiaryLanguages ); |
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293 INFO_1( "Trying preferred language list %d", iLangListPref ); |
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294 |
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295 iState = EQueryListSize; |
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296 iAdaptation.PrepareSimLanguages( |
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297 static_cast<TSsmLanguageListPriority>( iLangListPref++ ), |
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298 iLangListSize, iStatus ); |
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299 SetActive(); |
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300 } |
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301 |
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302 |
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303 // --------------------------------------------------------------------------- |
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304 // CSsmLangSelCmd::FetchLanguageListL |
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305 // |
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306 // --------------------------------------------------------------------------- |
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307 // |
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308 void CSsmLangSelCmd::FetchLanguageListL() |
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309 { |
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310 FUNC_LOG; |
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311 INFO_1( "Required language list size = %d", iLangListSize() ); |
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312 |
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313 iState = EQueryListContent; |
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314 delete iLangList; |
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315 iLangList = NULL; |
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316 |
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317 iLangList = iAdaptation.SimLanguagesArrayL( iLangListSize() ); |
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318 |
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319 TInt selectionResult = InterpretResult(); |
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320 |
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321 if ( selectionResult > KErrNone ) |
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322 { |
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323 StoreLanguageToCentRep( selectionResult ); |
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324 UseLanguage( selectionResult ); |
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325 } |
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326 else |
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327 { |
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328 TryNextList(); |
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329 } |
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330 } |
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331 |
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332 |
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333 // --------------------------------------------------------------------------- |
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334 // CSsmLangSelCmd::InterpretResult |
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335 // |
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336 // --------------------------------------------------------------------------- |
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337 // |
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338 TInt CSsmLangSelCmd::InterpretResult() |
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339 { |
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340 FUNC_LOG; |
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341 |
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342 TInt selectedLanguage = KErrNotFound; |
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343 TInt langCount( iLangListSize() ); |
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344 INFO_1( "Number of languages: %d", langCount ); |
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345 |
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346 for ( TInt i = 0; i < langCount; i++ ) |
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347 { |
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348 TInt lang = ( *iLangList )[i]; |
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349 INFO_1( "Language: %d", lang ); |
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350 |
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351 TInt nearestMatch = ValidAlternative( lang ); |
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352 if ( nearestMatch > 0 ) // Not an error code |
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353 { |
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354 selectedLanguage = nearestMatch; |
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355 break; |
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356 } |
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357 } |
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358 |
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359 INFO_1( "Selected language %d from list", selectedLanguage ); |
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360 return selectedLanguage; |
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361 } |
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362 |
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363 |
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364 // --------------------------------------------------------------------------- |
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365 // CSsmLangSelCmd::ValidAlternative |
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366 // |
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367 // --------------------------------------------------------------------------- |
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368 // |
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369 TInt CSsmLangSelCmd::ValidAlternative( const TInt aLanguage ) const |
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370 { |
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371 FUNC_LOG; |
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372 |
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373 TInt retVal = KErrNotFound; |
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374 |
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375 if ( IsValid( aLanguage ) ) |
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376 { |
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377 retVal = aLanguage; |
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378 } |
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379 else |
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380 { |
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381 for ( TInt i = 0; i < KSsmAlternativeLanguageTableSize; i++ ) |
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382 { |
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383 if ( KAlternativeLanguageTable[i].iLang1 == aLanguage ) |
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384 { |
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385 INFO_2( "Alternative %d found for language %d", |
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386 KAlternativeLanguageTable[i].iLang2, aLanguage ); |
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387 |
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388 if ( IsValid( KAlternativeLanguageTable[i].iLang2 ) ) |
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389 { |
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390 retVal = KAlternativeLanguageTable[i].iLang2; |
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391 break; |
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392 } |
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393 } |
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394 else if ( KAlternativeLanguageTable[i].iLang2 == aLanguage ) |
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395 { |
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396 INFO_2( "Alternative %d found for language %d", |
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397 KAlternativeLanguageTable[i].iLang1, aLanguage ); |
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398 |
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399 if ( IsValid( KAlternativeLanguageTable[i].iLang1 ) ) |
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400 { |
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401 retVal = KAlternativeLanguageTable[i].iLang1; |
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402 break; |
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403 } |
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404 } |
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405 } |
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406 } |
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407 |
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408 return retVal; |
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409 } |
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410 |
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411 |
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412 // --------------------------------------------------------------------------- |
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413 // CSsmLangSelCmd::TryNextList |
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414 // |
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415 // --------------------------------------------------------------------------- |
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416 // |
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417 void CSsmLangSelCmd::TryNextList() |
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418 { |
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419 FUNC_LOG; |
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420 |
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421 if ( iLangListPref <= ETertiaryLanguages ) |
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422 { |
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423 PrepareNextList(); |
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424 } |
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425 else // All lists exhausted |
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426 { |
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427 TInt prevLang = GetLanguageFromCentRep(); |
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428 if ( IsValid( prevLang ) ) |
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429 { |
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430 UseLanguage( prevLang ); |
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431 } |
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432 else |
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433 { |
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434 INFO( "Previous language not valid, reverting to default" ); |
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435 UseLanguage( iDefaultLanguage ); |
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436 } |
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437 } |
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438 } |
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439 |
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440 |
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441 // --------------------------------------------------------------------------- |
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442 // CSsmLangSelCmd::StoreLanguageToCentRep |
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443 // |
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444 // --------------------------------------------------------------------------- |
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445 // |
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446 void CSsmLangSelCmd::StoreLanguageToCentRep( const TInt aLanguage ) |
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447 { |
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448 FUNC_LOG; |
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449 TUid mappedUid = iMapperUtility->CrUid( KCRUidSysLangUtil ); |
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450 CRepository* cenrep = NULL; |
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451 TRAPD( errorCode, cenrep = CRepository::NewL( mappedUid ) ); |
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452 ERROR_1( errorCode, "Failed to initialize cen rep %d", errorCode ); |
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453 |
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454 if ( KErrNone == errorCode ) |
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455 { |
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456 errorCode = cenrep->Set( KSysLangUtilSimLanguage, aLanguage ); |
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457 ERROR_1( errorCode, "Failed to store language code to CentRep, %d", |
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458 errorCode ); |
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459 delete cenrep; |
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460 } |
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461 } |
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462 |
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463 |
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464 // --------------------------------------------------------------------------- |
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465 // CSsmLangSelCmd::GetLanguageFromCentRep |
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466 // |
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467 // --------------------------------------------------------------------------- |
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468 // |
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469 TInt CSsmLangSelCmd::GetLanguageFromCentRep() |
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470 { |
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471 FUNC_LOG; |
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472 |
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473 TInt lang = iDefaultLanguage; |
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474 TInt errorCode = iMapperUtility->CrValue( KCRUidSysLangUtil, |
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475 KSysLangUtilSimLanguage, |
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476 lang ); |
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477 |
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478 ERROR_1( errorCode, "Failed to read language code from CenRep %d", |
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479 errorCode ); |
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480 return lang; |
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481 } |
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482 |
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483 |
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484 // --------------------------------------------------------------------------- |
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485 // CSsmLangSelCmd::UseLanguage |
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486 // |
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487 // --------------------------------------------------------------------------- |
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488 // |
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489 void CSsmLangSelCmd::UseLanguage( const TInt aLang ) |
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490 { |
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491 FUNC_LOG; |
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492 |
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493 TInt errorCode = aLang; |
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494 if ( aLang > KErrNone ) |
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495 { |
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496 errorCode = SsmLanguageLoader::LoadLanguage( aLang ); |
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497 ERROR( errorCode, "Failed to load language" ); |
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498 } |
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499 |
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500 ERROR( errorCode, "Language selection failed" ); |
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501 |
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502 if ( iClientStatus ) |
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503 { |
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504 User::RequestComplete( iClientStatus, errorCode ); |
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505 } |
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506 } |
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507 |