1 /* |
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2 * Copyright (c) 2006-2008 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: |
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15 * An utility class to handle the UIDs and filename extensions used to |
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16 * identify data types. It is also used to store the results per data type. |
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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 // SYSTEM INCLUDES |
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23 #include <mseng.rsg> |
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24 #include <bautils.h> |
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25 #include <barsc.h> // RResourceFile |
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26 |
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27 // USER INCLUDES |
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28 #include "msenginfoarray.h" |
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29 #include "mseng.h" // KMsengRscFilePath |
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30 |
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31 |
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32 |
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33 // ================= MEMBER FUNCTIONS ======================= |
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34 |
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35 |
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36 // --------------------------------------------------------------------------- |
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37 // CMsengInfoArray::CMsengInfoArray() |
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38 // |
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39 // C++ default constructor is prohibited |
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40 // --------------------------------------------------------------------------- |
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41 CMsengInfoArray::CMsengInfoArray(TDriveNumber aDrive) |
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42 : iCurrentScannedDrive(aDrive) |
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43 { |
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44 } |
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45 |
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46 // --------------------------------------------------------------------------- |
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47 // CMsengInfoArray::NewL() |
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48 // |
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49 // Two-phased constructor. |
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50 // --------------------------------------------------------------------------- |
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51 CMsengInfoArray* CMsengInfoArray::NewL(TDriveNumber aDrive, |
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52 TInt aNumberOfDataGroups, |
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53 RFs& aFsSession, |
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54 CResourceFile& aResFile) |
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55 { |
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56 CMsengInfoArray* self = new (ELeave) CMsengInfoArray(aDrive); |
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57 |
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58 CleanupStack::PushL( self ); |
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59 self->ConstructL(aNumberOfDataGroups, aFsSession, aResFile); |
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60 CleanupStack::Pop( self ); |
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61 |
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62 return self; |
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63 } |
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64 |
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65 |
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66 // --------------------------------------------------------------------------- |
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67 // CMsengInfoArray::ConstructL() |
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68 // |
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69 // Symbian OS default constructor can leave. |
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70 // --------------------------------------------------------------------------- |
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71 void CMsengInfoArray::ConstructL(TInt aNumberOfDataGroups, |
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72 RFs& aFsSession, |
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73 CResourceFile& aResFile) |
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74 { |
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75 // Create data structures and initialize them |
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76 // using values from enumerations TUidTypes and TExtTypes |
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77 // and data from the resource file mseng.rss |
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78 |
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79 TInt index = -1; // index used in for-loops |
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80 TInt length = -1; // length of resource array being read |
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81 |
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82 RResourceReader theReader; |
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83 |
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84 theReader.OpenLC( &aResFile, UIDARRAY ); |
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85 |
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86 //the first WORD contains the number of elements in the resource |
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87 length = theReader.ReadInt16L(); |
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88 |
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89 // Create the array with appropriate granularity |
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90 iUidResultArray = new (ELeave) CArrayFixFlat<TInt64>(length); |
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91 |
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92 // Initialize the array to contain zeros |
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93 for(index=0; index<length; index++) |
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94 { |
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95 iUidResultArray->InsertL(index, 0); |
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96 } |
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97 |
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98 // Next, create the array for the actual UIDs |
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99 // and read them from the resource file |
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100 iUidArray = new (ELeave) CArrayFixFlat<TUid>(length); |
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101 for(index=0; index<length; index++) |
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102 { |
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103 const TInt typeindex = theReader.ReadInt8L(); |
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104 const TUid uid = TUid::Uid(theReader.ReadInt32L()); |
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105 // |
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106 iUidArray->InsertL(typeindex, uid); |
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107 } |
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108 CleanupStack::PopAndDestroy(&theReader); |
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109 |
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110 // Read extarray in a similar way |
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111 theReader.OpenLC( &aResFile, EXTARRAY ); |
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112 |
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113 |
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114 //the first WORD contains the number of elements in the resource |
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115 length = theReader.ReadInt16L(); |
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116 |
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117 // Create the array with appropriate granularity |
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118 iExtResultArray = new (ELeave) CArrayFixFlat<TInt64>(length); |
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119 // Initialize the array to contain zeros |
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120 for(index=0; index<length; index++) |
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121 { |
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122 iExtResultArray->InsertL(index, 0); |
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123 } |
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124 // Next, create the array for the actual extensions |
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125 // and read them from the resource file |
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126 iExtArray = new (ELeave) CDesCArrayFlat(length); |
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127 for(index=0; index<length; index++) |
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128 { |
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129 TInt typeindex = theReader.ReadInt8L(); |
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130 TPtrC ext = theReader.ReadTPtrCL(); |
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131 |
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132 iExtArray->InsertL(typeindex, ext); |
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133 } |
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134 CleanupStack::PopAndDestroy( &theReader ); |
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135 |
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136 // Create the array for results per group |
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137 iGroupResultArray = new (ELeave) CArrayFixFlat<TInt64>(aNumberOfDataGroups); |
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138 // Initialize the array to contain zeros |
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139 for(index=0; index<aNumberOfDataGroups; index++) |
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140 { |
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141 iGroupResultArray->InsertL(index, 0); |
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142 } |
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143 |
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144 // The directories to be scanned. Depends of which drive is scanned, |
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145 // and the directories that are scanned as a whole (and excluded in the normal scan) |
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146 _LIT(KPanic,"MSENG"); |
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147 __ASSERT_ALWAYS((CMseng::IsInternalDrive(aFsSession, iCurrentScannedDrive) |
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148 || CMseng::IsRemovableDrive(aFsSession, iCurrentScannedDrive)), |
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149 User::Panic(KPanic, KErrNotSupported)); |
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150 |
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151 if( CMseng::IsInternalDrive(aFsSession, iCurrentScannedDrive) |
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152 && !CMseng::IsMassStorageDrive( aFsSession, iCurrentScannedDrive ) ) |
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153 { |
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154 theReader.OpenLC( &aResFile, C_DIRECTORIES ); |
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155 iDirArray = theReader.ReadDesCArrayL(); |
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156 CleanupStack::PopAndDestroy( &theReader ); |
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157 // |
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158 theReader.OpenLC( &aResFile, C_EXCLUDED_DIRECTORIES ); |
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159 iExcludedDirArray = theReader.ReadDesCArrayL(); |
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160 CleanupStack::PopAndDestroy( &theReader ); |
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161 // |
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162 theReader.OpenLC( &aResFile, C_SPECIAL_DATADIRS ); |
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163 // reading later... |
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164 |
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165 } |
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166 else // other drives except Phone Memory should be scanned from root folder. |
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167 { |
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168 theReader.OpenLC( &aResFile, E_DIRECTORIES ); |
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169 iDirArray = theReader.ReadDesCArrayL(); |
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170 CleanupStack::PopAndDestroy( &theReader ); |
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171 // |
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172 theReader.OpenLC( &aResFile, E_EXCLUDED_DIRECTORIES ); |
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173 iExcludedDirArray = theReader.ReadDesCArrayL(); |
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174 CleanupStack::PopAndDestroy( &theReader ); |
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175 // |
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176 theReader.OpenLC( &aResFile, E_SPECIAL_DATADIRS ); |
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177 // reading later... |
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178 |
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179 } |
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180 |
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181 // Apply correct drive letter in directory array names |
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182 TInt dirCount = iDirArray->Count(); |
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183 for (TInt i=0; i<dirCount; i++) |
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184 { |
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185 HBufC* dirName = iDirArray->MdcaPoint(i).AllocLC(); |
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186 TPtr ptrName = dirName->Des(); |
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187 TBuf<1> drive; |
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188 TChar ch; |
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189 |
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190 if ( RFs::DriveToChar( iCurrentScannedDrive, ch ) == KErrNone ) |
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191 { |
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192 drive.Append(ch); |
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193 ptrName.Replace(0, drive.Length(), drive); |
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194 } |
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195 iDirArray->Delete(i); |
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196 iDirArray->InsertL(i, ptrName); |
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197 CleanupStack::PopAndDestroy(dirName); |
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198 } |
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199 |
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200 // Apply correct drive letter in excluded directory array names |
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201 TInt exDirCount = iExcludedDirArray->Count(); |
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202 for (TInt i=0; i<exDirCount; i++) |
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203 { |
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204 HBufC* dirName = iExcludedDirArray->MdcaPoint(i).AllocLC(); |
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205 TPtr ptrName = dirName->Des(); |
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206 TBuf<1> drive; |
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207 TChar ch; |
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208 |
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209 if ( RFs::DriveToChar( iCurrentScannedDrive, ch ) == KErrNone ) |
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210 { |
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211 drive.Append(ch); |
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212 ptrName.Replace(0, drive.Length(), drive); |
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213 } |
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214 iExcludedDirArray->Delete(i); |
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215 iExcludedDirArray->InsertL(i, ptrName); |
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216 CleanupStack::PopAndDestroy(dirName); |
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217 } |
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218 |
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219 //the first WORD contains the number of elements in the resource |
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220 length = theReader.ReadInt16L(); |
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221 |
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222 // Create the arrays for special data dirs |
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223 iDataDirArray = new (ELeave) CDesCArrayFlat(length); |
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224 iDataDirGroupArray = new (ELeave) CArrayFixFlat<TInt>(length); |
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225 iDataDirExclArray = new (ELeave) CArrayPtrFlat<CDesCArray>(length); |
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226 |
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227 // Read the array resource |
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228 for(TInt i=0; i<length; i++) |
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229 { |
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230 TInt groupindex = theReader.ReadInt8L(); |
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231 TChar ch; |
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232 HBufC* name = theReader.ReadHBufCL(); |
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233 CleanupStack::PushL(name); |
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234 TPtr ptrName = name->Des(); |
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235 TBuf<1> drive; |
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236 TBool driveValid = EFalse; |
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237 |
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238 if ( RFs::DriveToChar( iCurrentScannedDrive, ch ) == KErrNone ) |
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239 { |
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240 driveValid = ETrue; |
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241 drive.Append(ch); |
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242 ptrName.Replace(0, drive.Length(), drive); |
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243 } |
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244 |
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245 // Next WORD contains the number of excluded files |
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246 TInt lengthExcl = theReader.ReadInt16L(); |
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247 TBool folderExists = EFalse; |
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248 |
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249 // Add directory to the list to be scanned |
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250 if(driveValid && BaflUtils::FolderExists(aFsSession, ptrName)) |
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251 { |
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252 folderExists = ETrue; |
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253 iDataDirArray->AppendL(ptrName); |
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254 iDataDirGroupArray->AppendL(groupindex); |
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255 iDataDirExclArray->AppendL(NULL); |
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256 |
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257 CDesCArray* subarray = new (ELeave) CDesCArrayFlat( Max(lengthExcl, 1) ); |
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258 const TInt dirCount = iDataDirExclArray->Count(); |
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259 iDataDirExclArray->At(dirCount-1) = subarray; |
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260 } |
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261 |
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262 for(TInt j=0; j<lengthExcl; j++) |
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263 { |
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264 TPtrC nameExcl = theReader.ReadTPtrCL(); |
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265 |
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266 // Append special file only if folder exists |
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267 if(folderExists) |
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268 { |
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269 const TInt dirCount = iDataDirExclArray->Count(); |
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270 iDataDirExclArray->At(dirCount-1)->AppendL( nameExcl ); |
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271 } |
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272 } |
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273 |
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274 // If there was an error, we can assume it was because |
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275 // the folder does not exist, and ignore the error. |
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276 CleanupStack::PopAndDestroy( name ); |
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277 } |
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278 CleanupStack::PopAndDestroy( &theReader ); |
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279 |
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280 #ifdef __SHOW_RDEBUG_PRINT_ |
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281 RDebug::Print(_L("CMsengInfoArray constructed. Printing current configuration.\n Extensions:")); |
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282 for(TInt j=0; j < Exts().Count(); j++) |
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283 { |
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284 HBufC* ext = Exts().MdcaPoint(j).AllocL(); |
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285 RDebug::Print(_L(" %d: %S"), j, ext); |
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286 delete ext; |
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287 } |
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288 RDebug::Print(_L(" UIDs:")); |
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289 for(TInt k=0; k < Uids().Count(); k++) |
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290 { |
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291 TUidName uid; |
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292 uid = Uids().At(k).Name(); |
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293 RDebug::Print(_L(" %d: %S"), k, &uid); |
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294 } |
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295 #endif // __SHOW_RDEBUG_PRINT_ |
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296 } |
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297 |
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298 // --------------------------------------------------------------------------- |
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299 // CMsengInfoArray::~CMsengInfoArray() |
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300 // |
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301 // Destructor |
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302 // --------------------------------------------------------------------------- |
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303 CMsengInfoArray::~CMsengInfoArray() |
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304 { |
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305 // delete data structures |
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306 delete iUidResultArray; |
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307 delete iExtResultArray; |
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308 delete iGroupResultArray; |
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309 delete iUidArray; |
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310 delete iExtArray; |
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311 delete iDirArray; |
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312 delete iExcludedDirArray; |
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313 delete iDataDirArray; |
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314 delete iDataDirGroupArray; |
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315 if(iDataDirExclArray) |
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316 { |
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317 iDataDirExclArray->ResetAndDestroy(); |
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318 } |
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319 delete iDataDirExclArray; |
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320 } |
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321 |
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322 // --------------------------------------------------------------------------- |
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323 // CMsengInfoArray::IsExcludedDir() |
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324 // |
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325 // |
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326 // --------------------------------------------------------------------------- |
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327 TBool CMsengInfoArray::IsExcludedDir(const TDesC& aDirectory) const |
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328 { |
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329 TInt count = iExcludedDirArray->Count(); |
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330 for(TInt i=0; i<count; i++) |
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331 { |
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332 if(aDirectory.FindF(iExcludedDirArray->MdcaPoint(i)) == 0) |
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333 { |
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334 return ETrue; |
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335 } |
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336 } |
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337 |
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338 return EFalse; |
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339 } |
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340 |
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341 // --------------------------------------------------------------------------- |
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342 // CMsengInfoArray::FolderExists() |
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343 // |
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344 // |
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345 // --------------------------------------------------------------------------- |
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346 TBool CMsengInfoArray::FolderExists(RFs& aFs, const TDesC& aPath) |
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347 { |
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348 TBool result = EFalse; |
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349 |
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350 if(BaflUtils::FolderExists(aFs, aPath)) |
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351 { |
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352 result = ETrue; |
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353 } |
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354 // BaflUtils::FolderExists return KErrBadName, if called with |
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355 // only drive letter (like "c:\") |
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356 else |
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357 { |
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358 TChar driveLetter; |
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359 if( RFs::DriveToChar(CurrentDrive(), driveLetter) == KErrNone) |
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360 { |
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361 TBuf<1> driveName; |
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362 driveName.Append(driveLetter); |
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363 TInt cmp = aPath.CompareF(BaflUtils::RootFolderPath(driveName)); |
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364 result = (cmp == 0); |
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365 } |
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366 } |
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367 |
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368 return result; |
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369 } |
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370 |
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371 // --------------------------------------------------------------------------- |
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372 // CMsengInfoArray::IsSpecialDir() |
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373 // |
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374 // |
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375 // --------------------------------------------------------------------------- |
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376 TBool CMsengInfoArray::IsSpecialDir(const TDesC& aDirectory) const |
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377 { |
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378 TInt count = iDataDirArray->Count(); |
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379 for(TInt i=0; i<count; i++) |
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380 { |
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381 if(aDirectory.FindF(iDataDirArray->MdcaPoint(i)) == 0) |
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382 { |
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383 return ETrue; |
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384 } |
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385 } |
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386 |
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387 return EFalse; |
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388 } |
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389 |
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390 // End of File |
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