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1 // Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // f32\sfat\sl_fsy.cpp |
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15 // |
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16 // |
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17 |
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18 #include "sl_std.h" |
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19 #include <e32hal.h> |
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20 |
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21 CFatFileSystem* CFatFileSystem::New() |
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22 // |
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23 // Create a FatFileSystem |
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24 // |
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25 { |
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26 CFatFileSystem* fatfsys=new CFatFileSystem(); |
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27 if (fatfsys==NULL) |
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28 return(NULL); |
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29 |
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30 return fatfsys; |
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31 } |
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32 |
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33 |
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34 CFatFileSystem::CFatFileSystem() : iUseLocalTimeIfRemovable(EFalse) |
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35 // |
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36 // Construct the file system |
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37 // |
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38 { |
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39 } |
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40 |
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41 CFatFileSystem::~CFatFileSystem() |
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42 // |
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43 // Destructor |
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44 // |
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45 { |
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46 } |
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47 |
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48 TInt CFatFileSystem::Install() |
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49 // |
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50 // Install the file system |
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51 // |
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52 { |
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53 iVersion=TVersion(KF32MajorVersionNumber,KF32MinorVersionNumber,KF32BuildVersionNumber); |
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54 |
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55 // Read in setting from the config file to possibly make file server |
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56 // use local time. |
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57 _LIT8(KFatConfigSection, "FatConfig"); |
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58 _LIT8(KLocalTimeIfRemovable, "LocalTimeIfRemovable"); |
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59 F32Properties::GetBool(KFatConfigSection, KLocalTimeIfRemovable, iUseLocalTimeIfRemovable); |
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60 |
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61 return(SetName(&KFileSystemName_FAT)); |
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62 } |
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63 |
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64 CMountCB* CFatFileSystem::NewMountL() const |
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65 // |
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66 // Create a new mount control block. |
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67 // |
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68 { |
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69 |
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70 return(CFatMountCB::NewL()); |
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71 } |
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72 |
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73 CFileCB* CFatFileSystem::NewFileL() const |
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74 // |
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75 // Create a new file. |
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76 // |
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77 { |
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78 |
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79 return(new(ELeave) CFatFileCB()); |
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80 } |
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81 |
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82 CDirCB* CFatFileSystem::NewDirL() const |
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83 // |
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84 // Create a new directory lister. |
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85 // |
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86 { |
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87 |
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88 return(CFatDirCB::NewL()); |
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89 } |
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90 |
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91 CFormatCB* CFatFileSystem::NewFormatL() const |
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92 // |
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93 // Create a new media formatter. |
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94 // |
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95 { |
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96 |
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97 return (new(ELeave) CFatFormatCB()); |
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98 } |
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99 |
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100 TInt CFatFileSystem::DefaultPath(TDes& aPath) const |
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101 // |
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102 // Return the initial default path. |
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103 // |
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104 { |
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105 |
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106 aPath=_L("?:\\"); |
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107 aPath[0] = (TUint8) RFs::GetSystemDriveChar(); |
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108 return(KErrNone); |
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109 } |
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110 |
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111 |
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112 void CFatFileSystem::DriveInfo(TDriveInfo& anInfo,TInt aDriveNumber) const |
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113 // |
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114 // Return the drive info. iBatteryState are already set. |
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115 // |
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116 { |
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117 |
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118 if(!IsValidLocalDriveMapping(aDriveNumber)) |
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119 return; |
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120 |
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121 TLocalDriveCapsV2Buf localDriveCaps; |
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122 |
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123 TInt r = KErrNone; |
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124 |
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125 // is the drive local? |
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126 if (!IsProxyDrive(aDriveNumber)) |
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127 { |
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128 // if not valid local drive, use default values in localDriveCaps |
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129 // if valid local drive and not locked, use TBusLocalDrive::Caps() values |
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130 // if valid drive and locked, hard-code attributes |
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131 r = GetLocalDrive(aDriveNumber).Caps(localDriveCaps); |
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132 } |
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133 else // this need to be made a bit nicer |
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134 { |
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135 CExtProxyDrive* pD = GetProxyDrive(aDriveNumber); |
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136 if(pD) |
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137 r = pD->Caps(localDriveCaps); |
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138 else |
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139 r = KErrNotReady; // What should the behaviour really be here? |
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140 } |
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141 |
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142 if (r != KErrLocked ) |
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143 { |
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144 anInfo.iMediaAtt=localDriveCaps().iMediaAtt; |
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145 } |
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146 else |
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147 { |
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148 anInfo.iMediaAtt = KMediaAttLocked | KMediaAttLockable | KMediaAttHasPassword; |
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149 } |
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150 |
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151 anInfo.iType=localDriveCaps().iType; |
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152 anInfo.iDriveAtt=localDriveCaps().iDriveAtt; |
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153 } |
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154 |
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155 |
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156 TBool CFatFileSystem::IsExtensionSupported() const |
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157 // |
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158 // |
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159 // |
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160 { |
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161 return(ETrue); |
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162 } |
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163 |
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164 TBool CFatFileSystem::GetUseLocalTime() const |
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165 { |
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166 return iUseLocalTimeIfRemovable; |
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167 } |
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168 |
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169 void CFatFileSystem::SetUseLocalTime(TBool aFlag) |
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170 { |
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171 iUseLocalTimeIfRemovable = aFlag; |
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172 } |
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173 |
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174 /** |
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175 Reports whether the specified interface is supported - if it is, |
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176 the supplied interface object is modified to it |
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177 |
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178 @param aInterfaceId The interface of interest |
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179 @param aInterface The interface object |
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180 @return KErrNone if the interface is supported, otherwise KErrNotFound |
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181 |
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182 @see CFileSystem::GetInterface() |
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183 */ |
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184 TInt CFatFileSystem::GetInterface(TInt aInterfaceId, TAny*& aInterface,TAny* aInput) |
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185 { |
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186 switch(aInterfaceId) |
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187 { |
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188 case CFileSystem::EProxyDriveSupport: // The FAT Filesystem supports proxy drives |
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189 return KErrNone; |
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190 |
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191 default: |
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192 return(CFileSystem::GetInterface(aInterfaceId, aInterface, aInput)); |
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193 } |
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194 } |