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1 /* |
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2 * Copyright (c) 2007-2008 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: This module contains the implementation of CIAUpdateControllerFile |
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15 * class member functions. |
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16 * |
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17 */ |
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18 |
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19 |
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20 |
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21 |
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22 #include <bautils.h> |
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23 #include <s32file.h> |
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24 #include <sysutil.h> |
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25 |
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26 #include "iaupdatecontrollerfile.h" |
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27 #include "iaupdatectrlfileconsts.h" |
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28 |
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29 |
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30 // This constant will be used to check if the IAD application |
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31 // and its updates are using the same version of the file. If the versions |
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32 // differ, then this may require additional checking in the future versions |
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33 // when data is internalized. For example, previous IAD may give old version data |
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34 // into the file during self update. |
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35 const TInt KVersion( 1 ); |
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36 |
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37 const TInt KSizeOfFile( 16 ); |
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38 |
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39 |
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40 // ----------------------------------------------------------------------------- |
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41 // CIAUpdateControllerFile::NewL |
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42 // |
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43 // ----------------------------------------------------------------------------- |
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44 // |
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45 EXPORT_C CIAUpdateControllerFile* CIAUpdateControllerFile::NewL( |
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46 const TDesC& aFile ) |
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47 { |
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48 CIAUpdateControllerFile* self = |
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49 CIAUpdateControllerFile::NewLC( aFile ); |
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50 CleanupStack::Pop( self ); |
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51 return self; |
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52 } |
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53 |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // CIAUpdateControllerFile::NewLC |
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57 // |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 EXPORT_C CIAUpdateControllerFile* CIAUpdateControllerFile::NewLC( |
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61 const TDesC& aFile ) |
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62 { |
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63 CIAUpdateControllerFile* self = |
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64 new( ELeave) CIAUpdateControllerFile(); |
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65 CleanupStack::PushL( self ); |
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66 self->ConstructL( aFile ); |
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67 return self; |
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68 } |
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69 |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 // CIAUpdateControllerFile::CIAUpdateControllerFile |
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73 // |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 CIAUpdateControllerFile::CIAUpdateControllerFile() |
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77 : CBase(), |
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78 iRefreshTime( 0 ), |
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79 iLanguage( User::Language() ) |
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80 { |
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81 } |
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82 |
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83 |
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84 // ----------------------------------------------------------------------------- |
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85 // CIAUpdateControllerFile::ConstructL |
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86 // |
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87 // ----------------------------------------------------------------------------- |
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88 // |
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89 void CIAUpdateControllerFile::ConstructL( const TDesC& aFile ) |
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90 { |
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91 User::LeaveIfError( iFsSession.Connect() ); |
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92 User::LeaveIfError( |
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93 iFsSession.SetSessionToPrivate( |
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94 IAUpdateCtrlFileConsts::KDrive ) ); |
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95 |
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96 User::LeaveIfError( iFsSession.SessionPath( iPath ) ); |
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97 BaflUtils::EnsurePathExistsL( iFsSession, iPath ); |
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98 iPath.Append( aFile ); |
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99 |
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100 // Read data from the file if the file exists. |
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101 // Otherwise, let default values remain. |
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102 ReadControllerDataL(); |
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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 // CIAUpdateControllerFile::~CIAUpdateControllerFile |
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108 // |
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109 // ----------------------------------------------------------------------------- |
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110 // |
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111 EXPORT_C CIAUpdateControllerFile::~CIAUpdateControllerFile() |
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112 { |
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113 iFsSession.Close(); |
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114 } |
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115 |
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116 |
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117 // ----------------------------------------------------------------------------- |
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118 // CIAUpdateControllerFile::ReadControllerDataL |
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119 // |
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120 // ----------------------------------------------------------------------------- |
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121 // |
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122 EXPORT_C TBool CIAUpdateControllerFile::ReadControllerDataL() |
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123 { |
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124 RFile file; |
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125 TInt err = file.Open( iFsSession, iPath, EFileRead|EFileShareAny ); |
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126 if ( err == KErrNotFound ) |
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127 { |
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128 // File did not exist. |
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129 // So, nothing to do here anymore. |
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130 return EFalse; |
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131 } |
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132 User::LeaveIfError( err ); |
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133 |
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134 CleanupClosePushL( file ); |
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135 |
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136 RFileReadStream stream( file, 0 ); |
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137 CleanupClosePushL( stream ); |
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138 |
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139 InternalizeL( stream ); |
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140 |
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141 CleanupStack::PopAndDestroy( &stream ); |
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142 CleanupStack::PopAndDestroy( &file ); |
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143 |
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144 return ETrue; |
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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 // CIAUpdateControllerFile::WriteControllerDataL |
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150 // |
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151 // ----------------------------------------------------------------------------- |
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152 // |
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153 EXPORT_C void CIAUpdateControllerFile::WriteControllerDataL() |
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154 { |
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155 TDriveUnit driveUnit( IAUpdateCtrlFileConsts::KDrive ); |
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156 if ( SysUtil::DiskSpaceBelowCriticalLevelL( |
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157 &iFsSession, KSizeOfFile, driveUnit ) ) |
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158 { |
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159 User::Leave( KErrDiskFull ); |
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160 } |
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161 |
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162 RFile file; |
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163 User::LeaveIfError( |
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164 file.Replace( iFsSession, iPath, EFileWrite|EFileShareAny ) ); |
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165 CleanupClosePushL( file ); |
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166 |
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167 RFileWriteStream stream( file, 0 ); |
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168 CleanupClosePushL( stream ); |
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169 |
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170 ExternalizeL( stream ); |
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171 |
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172 stream.CommitL(); |
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173 |
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174 CleanupStack::PopAndDestroy( &stream ); |
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175 CleanupStack::PopAndDestroy( &file ); |
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176 } |
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177 |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 // CIAUpdateControllerFile::SetCurrentData |
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181 // |
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182 // ----------------------------------------------------------------------------- |
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183 // |
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184 EXPORT_C void CIAUpdateControllerFile::SetCurrentData() |
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185 { |
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186 SetCurrentRefreshTime(); |
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187 SetCurrentLanguage(); |
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188 } |
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189 |
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190 |
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191 // ----------------------------------------------------------------------------- |
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192 // CIAUpdateControllerFile::RefreshTime |
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193 // |
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194 // ----------------------------------------------------------------------------- |
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195 // |
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196 EXPORT_C const TTime& CIAUpdateControllerFile::RefreshTime() const |
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197 { |
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198 return iRefreshTime; |
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199 } |
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200 |
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201 |
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202 // ----------------------------------------------------------------------------- |
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203 // CIAUpdateControllerFile::SetRefreshTime |
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204 // |
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205 // ----------------------------------------------------------------------------- |
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206 // |
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207 EXPORT_C void CIAUpdateControllerFile::SetRefreshTime( const TTime& aTime ) |
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208 { |
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209 iRefreshTime = aTime; |
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210 } |
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211 |
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212 |
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213 // ----------------------------------------------------------------------------- |
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214 // CIAUpdateControllerFile::SetRefreshTime |
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215 // |
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216 // ----------------------------------------------------------------------------- |
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217 // |
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218 EXPORT_C void CIAUpdateControllerFile::SetRefreshTime( TInt64 aTime ) |
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219 { |
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220 iRefreshTime = aTime; |
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221 } |
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222 |
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223 |
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224 // ----------------------------------------------------------------------------- |
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225 // CIAUpdateControllerFile::SetCurrentRefreshTime |
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226 // |
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227 // ----------------------------------------------------------------------------- |
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228 // |
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229 EXPORT_C void CIAUpdateControllerFile::SetCurrentRefreshTime() |
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230 { |
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231 TTime universalTime; |
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232 universalTime.UniversalTime(); |
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233 iRefreshTime = universalTime; |
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234 } |
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235 |
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236 |
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237 // ----------------------------------------------------------------------------- |
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238 // CIAUpdateControllerFile::Language |
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239 // |
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240 // ----------------------------------------------------------------------------- |
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241 // |
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242 EXPORT_C TLanguage CIAUpdateControllerFile::Language() const |
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243 { |
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244 return iLanguage; |
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245 } |
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246 |
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247 |
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248 // ----------------------------------------------------------------------------- |
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249 // CIAUpdateControllerFile::SetLanguage |
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250 // |
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251 // ----------------------------------------------------------------------------- |
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252 // |
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253 EXPORT_C void CIAUpdateControllerFile::SetLanguage( TLanguage aLanguage ) |
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254 { |
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255 iLanguage = aLanguage; |
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256 } |
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257 |
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258 |
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259 // ----------------------------------------------------------------------------- |
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260 // CIAUpdateControllerFile::SetCurrentLanguage |
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261 // |
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262 // ----------------------------------------------------------------------------- |
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263 // |
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264 EXPORT_C void CIAUpdateControllerFile::SetCurrentLanguage() |
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265 { |
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266 SetLanguage( User::Language() ); |
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267 } |
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268 |
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269 |
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270 // ----------------------------------------------------------------------------- |
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271 // CIAUpdateControllerFile::InternalizeL |
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272 // |
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273 // ----------------------------------------------------------------------------- |
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274 // |
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275 void CIAUpdateControllerFile::InternalizeL( RReadStream& aStream ) |
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276 { |
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277 // If you make changes here, |
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278 // remember to update ExternalizeL accordingly!!! |
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279 |
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280 TInt version( aStream.ReadInt32L() ); |
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281 |
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282 // Notice! In the future, some checking maybe required here |
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283 // to be sure that file version is correct and the data can be |
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284 // internalized correctly between different versions. |
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285 if ( version != KVersion ) |
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286 { |
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287 // For now, just leave with the corrupt error. |
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288 User::Leave( KErrCorrupt ); |
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289 } |
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290 |
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291 TInt64 refreshTime( 0 ); |
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292 aStream >> refreshTime; |
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293 SetRefreshTime( refreshTime ); |
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294 |
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295 TInt language( aStream.ReadInt32L() ); |
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296 // Static casting is safe to do here because enum and TInt are the same. |
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297 SetLanguage( static_cast< TLanguage >( language ) ); |
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298 } |
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299 |
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300 |
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301 // ----------------------------------------------------------------------------- |
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302 // CIAUpdateControllerFile::ExternalizeL |
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303 // |
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304 // ----------------------------------------------------------------------------- |
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305 // |
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306 void CIAUpdateControllerFile::ExternalizeL( RWriteStream& aStream ) |
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307 { |
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308 // If you make changes here, |
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309 // remember to update InternalizeL accordingly!!! |
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310 |
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311 aStream.WriteInt32L( KVersion ); |
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312 |
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313 TInt64 refreshTime( RefreshTime().Int64() ); |
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314 aStream << refreshTime; |
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315 |
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316 TInt language( Language() ); |
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317 aStream.WriteInt32L( language ); |
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318 } |