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1 /* |
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2 * Copyright (c) 2004 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 the License "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 class CFavouritesSession |
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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 // INCLUDE FILES |
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22 |
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23 #include "FavouritesSrvDb.h" |
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24 #include "FavouritesSrvDbNotifier.h" |
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25 #include "FavouritesSrvDbIncremental.h" |
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26 #include "FavouritesSrvStream.h" |
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27 #include "FavouritesSrvFile.h" |
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28 #include "FavouritesSrvBuf.h" |
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29 #include "FavouritesBuf.h" |
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30 #include "FavouritesFilter.h" |
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31 #include "FavouritesSrvSession.h" |
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32 #include "FavouritesSrvSessionEntry.h" |
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33 #include "FavouritesDef.h" |
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34 #include "FavouritesMsg.h" |
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35 #include "FavouritesItemImplList.h" |
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36 #include "FavouritesUtil.h" |
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37 #include "UidMap.h" |
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38 #include "favouriteslogger.h" |
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39 #include <utf.h> |
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40 // CONSTANTS |
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41 |
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42 /// Object list granularity. |
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43 LOCAL_D const TInt KFavouritesSrvSessionObjectGranularity = 4; |
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44 /// Uid list granularity. |
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45 LOCAL_D const TInt KFavouritesSrvSessionUidListGranularity = 4; |
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46 /// Granularity of AP map in RFS. |
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47 LOCAL_D const TInt KApMapGranularity = 4; |
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48 |
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49 // Secure policy ID of the Faveng database files. |
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50 LOCAL_D const TUint KUidFavengDbPolicy = 0x101FD685; |
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51 |
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52 |
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53 // ================= MEMBER FUNCTIONS ======================= |
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54 |
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55 // --------------------------------------------------------- |
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56 // CFavouritesSession::NewL |
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57 // --------------------------------------------------------- |
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58 // |
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59 CFavouritesSession* CFavouritesSession::NewL() |
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60 { |
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61 CFavouritesSession* sess = new (ELeave) CFavouritesSession(); |
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62 CleanupStack::PushL( sess ); |
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63 sess->ConstructL(); |
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64 CleanupStack::Pop(); |
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65 return sess; |
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66 } |
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67 |
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68 // --------------------------------------------------------- |
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69 // CFavouritesSession::~CFavouritesSession |
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70 // --------------------------------------------------------- |
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71 // |
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72 CFavouritesSession::~CFavouritesSession() |
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73 { |
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74 // Free all entries in reverse order: |
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75 // Files -> Streams -> Incrementals -> Notifiers -> Databases. |
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76 for ( TInt type = TFavouritesSessionEntry::EFile; |
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77 type > TFavouritesSessionEntry::ENone; |
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78 type-- |
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79 ) |
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80 { |
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81 for ( TInt i = 0; i < iNumEntries; i++ ) |
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82 { |
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83 if ( STATIC_CAST( TInt, iEntries[i].Type() ) == type ) |
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84 { |
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85 iEntries[i].Release(); |
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86 } |
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87 } |
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88 } |
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89 delete iEntries; |
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90 iEntries = NULL; // Safety code. |
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91 iNumEntries = 0; // Safety code. |
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92 |
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93 // In the case of -Secure Backup is in progress- |
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94 // the ActiveScheduler is not active the server does not exists at this point. |
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95 if(CActiveScheduler::Current() != NULL) |
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96 { |
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97 FLOG(( _L("Server().SessionClosed()") )); |
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98 Server().SessionClosed(); |
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99 } |
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100 else |
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101 { |
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102 FLOG(( _L("CActiveScheduler::Current() == NULL") )); |
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103 } |
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104 |
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105 iDbs.Close(); |
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106 iFs.Close(); |
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107 } |
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108 |
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109 // --------------------------------------------------------- |
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110 // CFavouritesSession::CFavouritesSession |
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111 // --------------------------------------------------------- |
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112 // |
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113 CFavouritesSession::CFavouritesSession() |
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114 : iEntries( NULL ), iNumEntries( 0 ), iChkNum( 1 ) |
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115 { |
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116 } |
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117 |
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118 // --------------------------------------------------------- |
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119 // CFavouritesSession::ConstructL |
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120 // --------------------------------------------------------- |
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121 // |
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122 void CFavouritesSession::ConstructL() |
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123 { |
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124 User::LeaveIfError( iFs.Connect() ); |
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125 User::LeaveIfError( iFs.SetSessionToPrivate( EDriveC ) ); |
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126 User::LeaveIfError( iDbs.Connect() ); |
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127 |
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128 } |
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129 |
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130 // --------------------------------------------------------- |
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131 // CFavouritesSession::CountResources |
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132 // --------------------------------------------------------- |
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133 // |
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134 TInt CFavouritesSession::CountResources() |
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135 { |
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136 TInt cnt( 0 ); |
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137 for ( TInt i = 0; i < iNumEntries; i++ ) |
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138 { |
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139 if ( iEntries[i].Type() != TFavouritesSessionEntry::ENone ) |
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140 { |
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141 cnt++; |
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142 } |
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143 } |
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144 return cnt; |
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145 } |
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146 |
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147 // --------------------------------------------------------- |
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148 // CFavouritesSession::ServiceL |
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149 // --------------------------------------------------------- |
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150 // |
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151 void CFavouritesSession::ServiceL( const RMessage2& aMessage ) |
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152 { |
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153 // Set received message in server so it can be used in cleanup when |
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154 // server panics. |
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155 Server().ReceivedMessage( aMessage ); |
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156 TInt ret( KErrNone ); |
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157 TFavouritesMsg msg( aMessage.Function() ); |
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158 if ( msg.IsNull() ) |
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159 { |
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160 // Null handle -> session function. |
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161 switch ( msg.Function() ) |
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162 { |
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163 // Session functions. |
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164 case EFavengResourceMarkStart: |
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165 { |
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166 ResourceCountMarkStart(); |
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167 break; |
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168 } |
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169 |
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170 case EFavengResourceMarkEnd: |
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171 { |
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172 ResourceCountMarkEnd( aMessage ); |
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173 break; |
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174 } |
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175 |
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176 case EFavengResourceCount: |
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177 { |
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178 ret = CountResources(); |
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179 break; |
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180 } |
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181 |
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182 case EFavengDeleteDatabase: |
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183 { |
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184 TBuf<KFavouritesMaxName> name; |
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185 TInt len = aMessage.GetDesLength( 0 ); |
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186 if ( len < 1 || len > KFavouritesMaxName ) |
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187 { |
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188 User::Leave( KErrBadName ); |
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189 } |
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190 name.SetLength( len ); |
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191 aMessage.ReadL( 0, name ); |
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192 DatabaseDirL( name, iParse ); |
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193 TRAPD( err, DeleteDirL( iParse ) ); |
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194 // Map KErrPathNotFound error to KErrNotFound. |
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195 if ( err == KErrPathNotFound ) |
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196 { |
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197 err = KErrNotFound; |
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198 } |
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199 User::LeaveIfError( err ); |
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200 break; |
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201 } |
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202 |
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203 case EFavengSetHeapFailure: |
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204 { |
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205 User::__DbgSetAllocFail |
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206 ( |
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207 RAllocator::EUser, |
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208 STATIC_CAST( RAllocator::TAllocFail, aMessage.Int0() ), |
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209 aMessage.Int1() |
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210 ); |
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211 break; |
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212 } |
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213 |
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214 case EFavengOpenDatabase: |
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215 { |
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216 |
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217 // Fixed for Bug id - JJUN-78RARE (FAVENGSRV crashes under IPC attack) |
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218 // When client sends 8 bit descriptor input and favourite server always |
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219 // will attempt on 16 bit RMessage2 read/write. So server will leave with |
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220 // KErrBadDescriptor and hence crash occurs. To avoid this crash,favourite |
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221 // server will attempt to read/write on 8bit descriptor. |
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222 |
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223 HBufC *buf = HBufC::NewLC(KFavouritesMaxName); |
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224 TPtr name(buf->Des()); |
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225 TInt len = aMessage.GetDesLength( 0 ); |
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226 if ( len < 1 || len > KFavouritesMaxName ) |
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227 { |
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228 User::Leave( KErrBadName ); |
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229 } |
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230 name.SetLength( len ); |
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231 TInt err = aMessage.Read( 0, name ); |
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232 |
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233 if ( KErrBadDescriptor == err) // Mismatch between 8 bit and 16 bit descriptors |
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234 { |
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235 HBufC8 *buf8 = HBufC8::NewLC(KFavouritesMaxName); |
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236 TPtr8 name8(buf8->Des()); |
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237 name8.SetLength( len ); |
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238 aMessage.ReadL( 0, name8 ); |
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239 CnvUtfConverter::ConvertToUnicodeFromUtf8(name,name8); |
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240 CleanupStack::PopAndDestroy(/*buf8*/); |
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241 } |
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242 else |
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243 { |
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244 User::LeaveIfError(err); |
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245 } |
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246 |
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247 DatabaseDirL( name, iParse ); |
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248 TFavouritesHandle h = NewHandleL(); |
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249 Entry( h ) = *(CFavouritesSrvDb::NewL |
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250 ( iFs, iDbs, iParse.FullName(), name )); |
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251 ret = h; |
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252 CleanupStack::PopAndDestroy(/*buf*/); |
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253 break; |
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254 } |
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255 |
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256 case EFavengOpenStream: |
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257 { |
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258 ret = NewStreamL( *(HFavouritesSrvBuf::NewL()), aMessage ); |
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259 break; |
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260 } |
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261 |
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262 default: |
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263 { |
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264 ret = KErrNotSupported; |
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265 break; |
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266 } |
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267 } |
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268 } |
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269 else |
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270 { |
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271 // Object based functions. |
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272 TFavouritesSessionEntry& e = EntryL( msg ); |
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273 |
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274 switch( msg.Function() ) |
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275 { |
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276 // Favourites Engine functions. |
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277 case EFavengClose: |
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278 { |
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279 e.Release(); |
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280 break; |
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281 }; |
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282 |
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283 case EFavengIsDamaged: |
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284 { |
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285 ret = e.Database().IsDamagedL(); |
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286 break; |
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287 } |
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288 |
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289 case EFavengRecover: |
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290 { |
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291 e.Database().RecoverL(); |
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292 break; |
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293 } |
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294 |
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295 case EFavengCompact: |
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296 { |
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297 e.Database().CompactL(); |
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298 break; |
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299 } |
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300 |
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301 case EFavengSize: |
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302 { |
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303 TPckgBuf<RDbDatabase::TSize> size; |
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304 size() = e.Database().Size(); |
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305 aMessage.WriteL( 0, size ); |
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306 break; |
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307 } |
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308 |
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309 case EFavengUpdateStats: |
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310 { |
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311 e.Database().UpdateStatsL(); |
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312 break; |
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313 } |
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314 |
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315 case EFavengBegin: |
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316 { |
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317 if ( e.Database().InTransaction() ) |
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318 { |
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319 Server().PanicClient( EFavouritesNestedTransaction ); |
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320 } |
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321 else |
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322 { |
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323 e.Database().BeginL( (TBool)aMessage.Int0() ); |
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324 } |
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325 break; |
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326 } |
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327 |
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328 case EFavengCommit: |
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329 { |
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330 if ( e.Database().InTransaction() ) |
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331 { |
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332 e.Database().CommitL(); |
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333 } |
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334 else |
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335 { |
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336 Server().PanicClient( EFavouritesNoTransaction ); |
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337 } |
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338 break; |
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339 } |
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340 |
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341 case EFavengRollback: |
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342 { |
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343 if ( e.Database().InTransaction() ) |
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344 { |
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345 e.Database().Rollback(); |
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346 } |
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347 else |
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348 { |
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349 Server().PanicClient( EFavouritesNoTransaction ); |
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350 } |
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351 break; |
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352 } |
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353 |
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354 case EFavengGet: |
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355 { |
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356 RWriteStream stream( HFavouritesSrvBuf::NewLC() ); |
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357 CFavouritesItemImpl* item = CFavouritesItemImpl::NewLC(); |
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358 e.Database().GetL( aMessage.Int0(), *item ); |
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359 item->ExternalizeL( stream ); |
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360 stream.CommitL(); |
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361 CleanupStack::PopAndDestroy( item ); |
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362 CleanupStack::Pop(); // Stream buf; will be taken by stream. |
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363 ret = NewStreamL( *(stream.Sink()), aMessage ); |
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364 break; |
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365 } |
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366 |
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367 case EFavengGetAll: |
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368 { |
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369 TPckgBuf<TFavouritesFilter> filter; |
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370 aMessage.ReadL( 0, filter ); |
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371 RWriteStream stream( HFavouritesSrvBuf::NewLC() ); |
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372 CFavouritesItemImplList* list = |
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373 new (ELeave) CFavouritesItemImplList(); |
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374 CleanupStack::PushL( list ); |
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375 e.Database().GetAllL( *list, filter() ); |
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376 list->ExternalizeL( stream ); |
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377 stream.CommitL(); |
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378 CleanupStack::PopAndDestroy( list ); |
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379 CleanupStack::Pop(); // Stream buf; will be taken by stream. |
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380 ret = NewStreamL( *(stream.Sink()), aMessage ); |
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381 break; |
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382 } |
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383 |
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384 case EFavengGetUids: |
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385 { |
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386 TPckgBuf<TFavouritesFilter> filter; |
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387 aMessage.ReadL( 0, filter ); |
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388 RWriteStream stream( HFavouritesSrvBuf::NewLC() ); |
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389 CArrayFixFlat<TInt>* list = new (ELeave) CArrayFixFlat<TInt> |
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390 ( KFavouritesSrvSessionUidListGranularity ); |
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391 CleanupStack::PushL( list ); |
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392 e.Database().GetUidsL( *list, filter() ); |
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393 FavouritesUtil::ExternalizeL( *list, stream ); |
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394 stream.CommitL(); |
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395 CleanupStack::PopAndDestroy( list ); |
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396 CleanupStack::Pop(); // Stream buf; will be taken by stream. |
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397 ret = NewStreamL( *(stream.Sink()), aMessage ); |
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398 break; |
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399 } |
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400 |
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401 case EFavengPreferredUid: |
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402 { |
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403 TPckgBuf<TInt> uid; |
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404 uid() = e.Database().PreferredUidL( aMessage.Int0() ); |
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405 aMessage.WriteL( 1, uid ); |
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406 break; |
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407 } |
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408 |
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409 case EFavengDelete: |
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410 { |
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411 e.Database().DeleteL( aMessage.Int0() ); |
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412 break; |
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413 } |
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414 |
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415 case EFavengUpdate: |
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416 { |
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417 MStreamBuf& buf = EntryL( TFavouritesHandle |
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418 ( aMessage.Int0() ) ).Stream().Host(); |
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419 RReadStream rs( &buf ); |
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420 CFavouritesItemImpl* item = CFavouritesItemImpl::NewLC(); |
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421 item->InternalizeL( rs ); |
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422 e.Database().UpdateL |
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423 ( *item, aMessage.Int1(), aMessage.Int2() ); |
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424 RWriteStream ws( &buf ); |
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425 item->ExternalizeUpdateDeltaL( ws ); |
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426 ws.CommitL(); |
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427 CleanupStack::PopAndDestroy( item ); |
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428 break; |
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429 } |
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430 |
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431 case EFavengAdd: |
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432 { |
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433 MStreamBuf& buf = EntryL( TFavouritesHandle |
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434 ( aMessage.Int0() ) ).Stream().Host(); |
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435 RReadStream rs( &buf ); |
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436 CFavouritesItemImpl* item = CFavouritesItemImpl::NewLC(); |
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437 item->InternalizeL( rs ); |
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438 e.Database().AddL( *item, aMessage.Int1() ); |
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439 RWriteStream ws( &buf ); |
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440 item->ExternalizeUpdateDeltaL( ws ); |
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441 ws.CommitL(); |
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442 CleanupStack::PopAndDestroy( item ); |
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443 break; |
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444 } |
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445 |
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446 case EFavengSetSpecialItem: |
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447 { |
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448 MStreamBuf& buf = EntryL( TFavouritesHandle |
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449 ( aMessage.Int0() ) ).Stream().Host(); |
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450 RReadStream rs( &buf ); |
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451 CFavouritesItemImpl* item = CFavouritesItemImpl::NewLC(); |
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452 item->InternalizeL( rs ); |
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453 e.Database().SetSpecialItemL( *item, aMessage.Int1() ); |
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454 RWriteStream ws( &buf ); |
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455 item->ExternalizeUpdateDeltaL( ws ); |
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456 ws.CommitL(); |
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457 CleanupStack::PopAndDestroy( item ); |
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458 break; |
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459 } |
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460 |
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461 case EFavengSetFactoryItem: |
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462 { |
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463 e.Database().SetFactoryItemL |
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464 ( aMessage.Int0(), aMessage.Int1() ); |
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465 break; |
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466 } |
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467 |
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468 case EFavengSetReadOnly: |
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469 { |
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470 e.Database().SetReadOnlyL |
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471 ( aMessage.Int0(), aMessage.Int1() ); |
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472 break; |
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473 } |
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474 |
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475 case EFavengSetModified: |
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476 { |
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477 e.Database().SetModifiedL( aMessage.Int0(), |
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478 TTime( MAKE_TINT64( aMessage.Int1(), aMessage.Int2() ) ) ); |
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479 break; |
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480 } |
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481 |
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482 case EFavengSetPreferredUid: |
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483 { |
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484 e.Database().SetPreferredUidL |
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485 ( aMessage.Int0(), aMessage.Int1() ); |
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486 break; |
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487 } |
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488 |
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489 case EFavengItemExists: |
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490 { |
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491 ret = e.Database().ItemExistsL( aMessage.Int0() ); |
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492 break; |
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493 } |
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494 |
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495 case EFavengFolderExists: |
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496 { |
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497 ret = e.Database().FolderExistsL( aMessage.Int0() ); |
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498 break; |
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499 } |
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500 |
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501 case EFavengCount: |
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502 { |
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503 TPckgBuf<TFavouritesFilter> filter; |
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504 aMessage.ReadL( 0, filter ); |
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505 ret = e.Database().CountL( filter() ); |
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506 break; |
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507 } |
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508 |
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509 case EFavengSetData: |
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510 { |
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511 MStreamBuf& buf = EntryL( TFavouritesHandle |
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512 ( aMessage.Int0() ) ).Stream().Host(); |
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513 e.Database().SetDataL( aMessage.Int1(), buf ); |
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514 break; |
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515 } |
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516 |
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517 case EFavengGetData: |
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518 { |
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519 RWriteStream stream( HFavouritesSrvBuf::NewLC() ); |
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520 e.Database().GetDataL |
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521 ( aMessage.Int0(), *(stream.Sink()) ); |
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522 stream.CommitL(); |
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523 CleanupStack::Pop(); // Stream buf; will be taken by stream. |
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524 ret = NewStreamL( *(stream.Sink()), aMessage ); |
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525 break; |
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526 } |
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527 |
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528 case EFavengSetBrowserData: |
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529 { |
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530 MStreamBuf& buf = EntryL( TFavouritesHandle |
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531 ( aMessage.Int0() ) ).Stream().Host(); |
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532 e.Database().SetBrowserDataL( aMessage.Int1(), buf ); |
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533 break; |
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534 } |
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535 |
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536 case EFavengGetBrowserData: |
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537 { |
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538 RWriteStream stream( HFavouritesSrvBuf::NewLC() ); |
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539 e.Database().GetBrowserDataL |
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540 ( aMessage.Int0(), *(stream.Sink()) ); |
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541 stream.CommitL(); |
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542 CleanupStack::Pop(); // Stream buf; will be taken by stream. |
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543 ret = NewStreamL( *(stream.Sink()), aMessage ); |
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544 break; |
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545 } |
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546 |
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547 case EFavengMakeUniqueName: |
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548 { |
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549 TBuf<KFavouritesMaxName> name; |
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550 name.SetLength( aMessage.Int1() ); |
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551 aMessage.ReadL( 0, name ); |
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552 e.Database().MakeUniqueNameL( name, aMessage.Int2() ); |
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553 aMessage.WriteL( 0, name ); |
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554 ret = name.Length(); |
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555 break; |
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556 }; |
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557 |
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558 |
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559 case EFavengRestoreFactorySettings: |
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560 { |
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561 TFileName refDb; |
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562 TInt len = aMessage.Int1(); |
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563 if ( len > refDb.MaxLength() ) |
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564 { |
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565 User::Leave( KErrBadName ); |
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566 } |
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567 refDb.SetLength( len ); |
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568 aMessage.ReadL( 0, refDb ); |
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569 RWriteStream stream( HFavouritesSrvBuf::NewLC() ); |
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570 CUidMap* map = new (ELeave) CUidMap( KApMapGranularity ); |
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571 CleanupStack::PushL( map ); |
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572 e.Database().RestoreFactorySettingsL( refDb, *map ); |
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573 map->ExternalizeL( stream ); |
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574 stream.CommitL(); |
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575 CleanupStack::PopAndDestroy( map ); |
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576 CleanupStack::Pop(); // Stream buf; will be taken by stream. |
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577 ret = NewStreamL( *(stream.Sink()), aMessage ); |
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578 FLOG(( _L("restore: case EFavengRestoreFactorySettings") )); |
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579 break; |
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580 } |
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581 |
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582 case EFavengSetAccessPoints: |
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583 { |
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584 MStreamBuf& buf = EntryL( TFavouritesHandle |
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585 ( aMessage.Int0() ) ).Stream().Host(); |
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586 RReadStream rs( &buf ); |
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587 CUidMap* map = new (ELeave) CUidMap( KApMapGranularity ); |
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588 CleanupStack::PushL( map ); |
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589 map->InternalizeL( rs ); |
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590 e.Database().SetAccessPointsL( *map ); |
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591 CleanupStack::PopAndDestroy( map ); |
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592 break; |
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593 } |
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594 |
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595 case EFavengFileOpen: |
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596 { |
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597 TFavouritesHandle h = NewHandleL(); |
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598 e.Database().FilenameL( aMessage.Int0(), iParse ); |
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599 CFavouritesSrvFile* file = CFavouritesSrvFile::NewL(); |
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600 Entry( h ) = *file; |
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601 file->SetName(iParse); |
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602 |
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603 ret = h; |
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604 break; |
|
605 } |
|
606 |
|
607 case EFavengFileOpenRead: |
|
608 { |
|
609 CFavouritesSrvFile& file = e.File(); |
|
610 |
|
611 file.OpenL(); |
|
612 file.TransferToClientL( aMessage ); |
|
613 |
|
614 break; |
|
615 } |
|
616 |
|
617 case EFavengFileOpenWrite: |
|
618 { |
|
619 CFavouritesSrvFile& file = e.File(); |
|
620 |
|
621 file.ReplaceL(); |
|
622 file.TransferToClientL( aMessage ); |
|
623 |
|
624 break; |
|
625 } |
|
626 |
|
627 case EFavengFileDelete: |
|
628 { |
|
629 TFavouritesHandle h = NewHandleL(); |
|
630 e.Database().FilenameL( aMessage.Int0(), iParse ); |
|
631 TInt err = iFs.Delete( iParse.FullName() ); |
|
632 // Map KErrPathNotFound error to KErrNotFound. |
|
633 if ( err == KErrPathNotFound ) |
|
634 { |
|
635 err = KErrNotFound; |
|
636 } |
|
637 User::LeaveIfError( err ); |
|
638 break; |
|
639 } |
|
640 |
|
641 case EFavengIncrementalRecover: |
|
642 { |
|
643 TFavouritesHandle h = NewHandleL(); |
|
644 CFavouritesSrvDbIncremental* inc = |
|
645 new (ELeave) CFavouritesSrvDbIncremental(); |
|
646 Entry( h ) = *inc; |
|
647 TPckgBuf<TInt> step; |
|
648 inc->RecoverL( e.Database(), step() ); |
|
649 aMessage.WriteL( 0, step ); |
|
650 ret = h; |
|
651 break; |
|
652 } |
|
653 |
|
654 case EFavengIncrementalCompact: |
|
655 { |
|
656 TFavouritesHandle h = NewHandleL(); |
|
657 CFavouritesSrvDbIncremental* inc = |
|
658 new (ELeave) CFavouritesSrvDbIncremental(); |
|
659 Entry( h ) = *inc; |
|
660 TPckgBuf<TInt> step; |
|
661 inc->CompactL( e.Database(), step() ); |
|
662 aMessage.WriteL( 0, step ); |
|
663 ret = h; |
|
664 break; |
|
665 } |
|
666 |
|
667 case EFavengIncrementalNext: |
|
668 { |
|
669 TInt step = aMessage.Int0(); |
|
670 if ( step == e.Incremental().Step() && step > 0 ) |
|
671 { |
|
672 e.Incremental().NextL( step ); |
|
673 ret = step; |
|
674 } |
|
675 else |
|
676 { |
|
677 Server().PanicClient( EFavouritesBadStep ); |
|
678 } |
|
679 break; |
|
680 } |
|
681 |
|
682 case EFavengOpenNotifier: |
|
683 { |
|
684 TFavouritesHandle h = NewHandleL(); |
|
685 Entry( h ) = *(CFavouritesSrvDbNotifier::NewL( e.Database() )); |
|
686 ret = h; |
|
687 break; |
|
688 } |
|
689 |
|
690 case EFavengNotifyAllEvents: |
|
691 { |
|
692 if ( e.Notifier().IsActive() ) |
|
693 { |
|
694 Server().PanicClient( EFavouritesAlreadyOpen ); |
|
695 } |
|
696 else |
|
697 { |
|
698 e.Notifier().NotifyAllEvents( aMessage ); |
|
699 return; // Notifier will complete the message. |
|
700 } |
|
701 break; |
|
702 } |
|
703 |
|
704 case EFavengNotifyChange: |
|
705 { |
|
706 if ( e.Notifier().IsActive() ) |
|
707 { |
|
708 Server().PanicClient( EFavouritesAlreadyOpen ); |
|
709 } |
|
710 else |
|
711 { |
|
712 e.Notifier().NotifyChange( aMessage ); |
|
713 return; // Notifier will complete the message. |
|
714 } |
|
715 break; |
|
716 } |
|
717 |
|
718 case EFavengNotifyCancel: |
|
719 { |
|
720 e.Notifier().Cancel(); |
|
721 break; |
|
722 } |
|
723 |
|
724 case EFavengStreamRead: |
|
725 { |
|
726 ret = e.Stream().ReadL( aMessage ); |
|
727 break; |
|
728 } |
|
729 |
|
730 case EFavengStreamWrite: |
|
731 { |
|
732 e.Stream().WriteL( aMessage ); |
|
733 break; |
|
734 } |
|
735 |
|
736 default: |
|
737 { |
|
738 ret = KErrNotSupported; |
|
739 break; |
|
740 } |
|
741 } |
|
742 |
|
743 } |
|
744 |
|
745 // Fixed for Bug id - JJUN-78RARE (FAVENGSRV crashes under IPC attack) |
|
746 if ( (EFavengFileOpenRead == msg.Function()) && msg.IsNull() ) |
|
747 { |
|
748 User::Leave(ret); |
|
749 } |
|
750 |
|
751 if ( !Server().ReceivedMessage().IsNull() && |
|
752 // Special cases - file handler passed - |
|
753 // IPC message is transfered automatically. |
|
754 msg.Function() != EFavengFileOpenRead && |
|
755 msg.Function() != EFavengFileOpenWrite) |
|
756 { |
|
757 aMessage.Complete( ret ); |
|
758 } |
|
759 } |
|
760 |
|
761 // --------------------------------------------------------- |
|
762 // CFavouritesSession::ServiceError |
|
763 // --------------------------------------------------------- |
|
764 // |
|
765 void CFavouritesSession::ServiceError( const RMessage2& aMessage, TInt aError ) |
|
766 { |
|
767 // A bad descriptor / bad handle error implies a badly programmed client, |
|
768 // so panic it; otherwise use the default handling (report the error to |
|
769 // the client). |
|
770 if ( aError == KErrBadDescriptor || aError == KErrBadHandle ) |
|
771 { |
|
772 Server().PanicClient( aError ); |
|
773 } |
|
774 CSession2::ServiceError( aMessage, aError ); |
|
775 } |
|
776 |
|
777 // --------------------------------------------------------- |
|
778 // CFavouritesSession::NewHandleL |
|
779 // --------------------------------------------------------- |
|
780 // |
|
781 TFavouritesHandle CFavouritesSession::NewHandleL() |
|
782 { |
|
783 TInt i; |
|
784 for ( i = 0; i < iNumEntries; i++ ) |
|
785 { |
|
786 if ( iEntries[i].Type() == TFavouritesSessionEntry::ENone ) |
|
787 { |
|
788 // Found free slot; assign check number and return it. |
|
789 iEntries[i].ChkNum() = NextChkNum(); |
|
790 return TFavouritesHandle( i, iEntries[i].ChkNum() ); |
|
791 } |
|
792 } |
|
793 // No free slot; expand entry list. |
|
794 TInt newNum = iNumEntries + KFavouritesSrvSessionObjectGranularity; |
|
795 if ( newNum > (1 << KIndexBits) ) |
|
796 { |
|
797 // Index range exhausted. |
|
798 User::Leave( KErrNoMemory ); |
|
799 } |
|
800 iEntries = STATIC_CAST( TFavouritesSessionEntry*, User::ReAllocL\ |
|
801 ( iEntries, newNum * sizeof( TFavouritesSessionEntry ) ) ); |
|
802 // Initialize new entries. |
|
803 for ( i = iNumEntries; i < newNum; i++ ) |
|
804 { |
|
805 iEntries[i].SetNull(); |
|
806 } |
|
807 i = iNumEntries; // Index of first newly allocated entry. |
|
808 iNumEntries = newNum; |
|
809 iEntries[i].ChkNum() = NextChkNum(); |
|
810 return TFavouritesHandle( i, iEntries[i].ChkNum() ); |
|
811 } |
|
812 |
|
813 // --------------------------------------------------------- |
|
814 // CFavouritesSession::EntryL |
|
815 // --------------------------------------------------------- |
|
816 // |
|
817 TFavouritesSessionEntry& CFavouritesSession::EntryL |
|
818 ( TFavouritesHandle aHandle ) |
|
819 { |
|
820 TInt i = aHandle.Index(); |
|
821 if ( i > iNumEntries || aHandle.ChkNum() != iEntries[i].ChkNum() ) |
|
822 { |
|
823 User::Leave( KErrBadHandle ); |
|
824 } |
|
825 return iEntries[i]; |
|
826 } |
|
827 |
|
828 // --------------------------------------------------------- |
|
829 // CFavouritesSession::Entry |
|
830 // --------------------------------------------------------- |
|
831 // |
|
832 TFavouritesSessionEntry& CFavouritesSession::Entry |
|
833 ( TFavouritesHandle aHandle ) |
|
834 { |
|
835 TInt i = aHandle.Index(); |
|
836 if ( i > iNumEntries || aHandle.ChkNum() != iEntries[i].ChkNum() ) |
|
837 { |
|
838 FavouritesPanic( EFavouritesInternal ); |
|
839 } |
|
840 return iEntries[i]; |
|
841 } |
|
842 |
|
843 // --------------------------------------------------------- |
|
844 // CFavouritesSession::NextChkNum |
|
845 // --------------------------------------------------------- |
|
846 // |
|
847 TInt CFavouritesSession::NextChkNum() |
|
848 { |
|
849 if ( iChkNum > (1 << KChkNumBits - 1) ) |
|
850 { |
|
851 iChkNum = 1; // Start from 1 - we never get 0 handle. |
|
852 } |
|
853 return iChkNum++; |
|
854 } |
|
855 |
|
856 // --------------------------------------------------------- |
|
857 // CFavouritesSession::NewStreamL |
|
858 // --------------------------------------------------------- |
|
859 // |
|
860 TFavouritesHandle CFavouritesSession::NewStreamL |
|
861 ( MStreamBuf& aHost, const RMessage2& aMessage ) |
|
862 { |
|
863 aHost.PushL(); |
|
864 TInt len = Min( aHost.SizeL(), KFavouritesStreamBufSize ); |
|
865 if ( len ) |
|
866 { |
|
867 // We already have some data; send it. |
|
868 TPckgBuf<TFavouritesBuf> buf; |
|
869 aHost.ReadL( buf().iData, len ); |
|
870 buf().iLen = len; |
|
871 aMessage.WriteL( 3, buf ); |
|
872 } |
|
873 // Make a handle. |
|
874 TFavouritesHandle h = NewHandleL(); |
|
875 TFavouritesSessionEntry& e = Entry( h ); |
|
876 // Create the stream, owner is the entry (== the session). |
|
877 // Pass ownership to session. |
|
878 e = *(new (ELeave) HFavouritesSrvStream( aHost )); |
|
879 CleanupStack::Pop(); // aHost |
|
880 return h; |
|
881 } |
|
882 |
|
883 |
|
884 // --------------------------------------------------------- |
|
885 // CFavouritesSession::DatabaseDirL |
|
886 // --------------------------------------------------------- |
|
887 // |
|
888 void CFavouritesSession::DatabaseDirL( const TDesC& aName, TParse& aParse ) |
|
889 { |
|
890 TDriveName cDrive = TDriveUnit( EDriveC ).Name(); |
|
891 |
|
892 _LIT(KDbExtension, ".db"); |
|
893 |
|
894 User::LeaveIfError( aParse.SetNoWild( aName, &cDrive, &KDbExtension() ) ); |
|
895 } |
|
896 |
|
897 |
|
898 // --------------------------------------------------------- |
|
899 // CFavouritesSession::DeleteDirL |
|
900 // --------------------------------------------------------- |
|
901 // |
|
902 void CFavouritesSession::DeleteDirL( const TParse& aParse ) |
|
903 { |
|
904 const TUid KDbPolicyUid = TUid::Uid(KUidFavengDbPolicy); |
|
905 |
|
906 TPtrC path( aParse.FullName() ); |
|
907 TInt err = iDbs.DeleteDatabase( path, KDbPolicyUid ); |
|
908 |
|
909 if ( err != KErrNone ) |
|
910 { |
|
911 User::Leave( err ); |
|
912 } |
|
913 } |
|
914 |
|
915 // End of File |