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1 /* |
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2 * Copyright (c) 2006 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: Implementation of FileAccess Classes. |
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15 * |
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16 */ |
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17 |
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18 #include <f32file.h> |
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19 #include <e32std.h> |
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20 #include <caf/attribute.h> |
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21 #include <caf/bitset.h> |
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22 #include <caf/content.h> |
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23 #include <caf/data.h> |
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24 using namespace ContentAccess; |
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25 #include <f32file.h> |
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26 |
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27 #include "FileAccess.h" |
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28 |
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29 CF32File::~CF32File() |
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30 { |
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31 if (!iFileHandle) |
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32 iFile.Close(); |
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33 delete iFilePath; |
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34 } |
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35 |
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36 CF32File* CF32File::NewL(RFs& aSession, TDesC& aFilePath, TUint aMode) |
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37 { |
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38 CF32File* self = new (ELeave) CF32File; |
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39 CleanupStack::PushL(self); |
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40 self->ConstructL(aSession, aFilePath, aMode); |
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41 CleanupStack::Pop(self); |
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42 return self; |
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43 } |
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44 |
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45 |
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46 void CF32File::ConstructL(RFs& aSession, TDesC& aPath, TUint aFileMode) |
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47 { |
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48 iSession = &aSession; |
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49 iFilePath = aPath.AllocL(); |
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50 TUint attributes = 0; |
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51 TInt err = iSession->Att(*iFilePath, attributes); |
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52 if (err == KErrNone) |
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53 { |
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54 if ( attributes & KEntryAttReadOnly ) |
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55 User::LeaveIfError(iFile.Open(*iSession, *iFilePath, EFileShareReadersOnly )) ; |
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56 else //if ( !( attributes & KEntryAttReadOnly ) ) |
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57 User::LeaveIfError(iFile.Open(*iSession, *iFilePath, aFileMode)) ; |
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58 } |
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59 else if ((err == KErrNotFound) && (aFileMode & EFileWrite)) |
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60 { |
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61 User::LeaveIfError(iFile.Create(*iSession, *iFilePath, aFileMode )) ; |
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62 } |
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63 else |
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64 { |
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65 User::Leave(err); |
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66 } |
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67 } |
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68 |
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69 |
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70 RFile& CF32File::FileL() |
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71 { |
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72 return iFile; |
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73 } |
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74 |
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75 TInt CF32File::Seek(TSeek aSeekMode, TInt aPos) |
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76 { |
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77 return iFile.Seek(aSeekMode, aPos); |
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78 } |
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79 |
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80 TInt CF32File::Read(TDes8& aDes,TInt aLength) |
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81 { |
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82 return iFile.Read(aDes, aLength); |
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83 } |
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84 |
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85 void CF32File::Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus) |
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86 { |
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87 iFile.Read(aDes, aLength, aStatus); |
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88 } |
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89 |
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90 TInt CF32File::Write(const TDesC8& aDes,TInt aLength) |
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91 { |
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92 return iFile.Write(aDes, aLength); |
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93 } |
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94 |
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95 void CF32File::Write(const TDesC8& aDes, TInt aLength, TRequestStatus& aStatus) |
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96 { |
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97 iFile.Write(aDes, aLength, aStatus); |
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98 } |
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99 |
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100 TInt CF32File::Size(TInt& aSize) |
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101 { |
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102 return iFile.Size(aSize); |
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103 } |
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104 |
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105 TInt CF32File::SetSize(TInt aSize) |
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106 { |
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107 TInt err = iFile.SetSize(aSize); |
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108 if(err == KErrNone) |
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109 iFileSize = aSize; |
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110 else |
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111 iFileSize = -1; |
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112 |
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113 return err; |
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114 } |
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115 |
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116 TInt CF32File::EvaluateIntent(TIntent /*aIntent*/) const |
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117 { |
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118 return KErrNone; |
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119 } |
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120 |
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121 |
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122 TInt CF32File::ExecuteIntent(TIntent /*aIntent*/) |
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123 { |
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124 return KErrNone; |
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125 } |
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126 |
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127 TBool CF32File::IsProtected() const |
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128 { |
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129 return EFalse; |
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130 } |
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131 |
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132 TInt CF32File::SetAgentProperty(TAgentProperty /*aProperty*/, TInt /*aValue*/) |
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133 { |
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134 // not an error to set this if not supported, just wont do anything |
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135 return KErrNone; |
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136 } |
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137 |
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138 CContentFile::~CContentFile() |
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139 { |
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140 delete iData; |
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141 |
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142 if (iLegacyFileOpen) |
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143 iLegacyFile.Close(); |
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144 delete iFilePath; |
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145 } |
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146 |
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147 |
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148 CContentFile* CContentFile::NewL(RFs& aSession, const TDesC& aFilePath, const TDesC& aUniqueId, TUint aMode, TBool aEnableUI) |
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149 { |
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150 CContentFile* self = new (ELeave) CContentFile; |
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151 CleanupStack::PushL(self); |
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152 self->ConstructL(aSession, aFilePath, aUniqueId, aMode, aEnableUI); |
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153 CleanupStack::Pop(self); |
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154 return self; |
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155 } |
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156 |
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157 void CContentFile::ConstructL(RFs& aSession, const TDesC& aPath, const TDesC& aUniqueId, TUint /*aMode*/, TBool aEnableUI) |
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158 { |
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159 iSession = &aSession; |
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160 iFilePath = aPath.AllocL(); |
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161 |
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162 // Assume that we want the content to be shared and read-only. |
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163 if (aUniqueId.Length() > 0) |
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164 { |
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165 iData = CData::NewL(TVirtualPathPtr(*iFilePath, aUniqueId), EContentShareReadWrite); |
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166 } |
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167 else |
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168 { |
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169 iData = CData::NewL(TVirtualPathPtr(*iFilePath), EContentShareReadWrite); |
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170 } |
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171 |
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172 TInt err = iData->SetProperty(EAgentPropertyAgentUI, aEnableUI); |
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173 if (err != KErrNone && err != KErrCANotSupported) |
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174 { |
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175 User::Leave(err); |
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176 } |
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177 User::LeaveIfError(iData->EvaluateIntent(EPeek)); |
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178 } |
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179 |
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180 |
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181 |
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182 TInt CContentFile::EvaluateIntent(TIntent aIntent) const |
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183 { |
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184 ASSERT(iData); |
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185 return iData->EvaluateIntent(aIntent); |
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186 } |
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187 |
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188 |
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189 TInt CContentFile::ExecuteIntent(TIntent aIntent) |
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190 { |
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191 ASSERT(iData); |
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192 return iData->ExecuteIntent(aIntent); |
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193 } |
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194 |
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195 TBool CContentFile::IsProtected() const |
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196 { |
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197 ASSERT(iData); |
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198 TInt value = 0; |
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199 TInt err =iData->GetAttribute(EIsProtected, value); |
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200 return (err == KErrNone && value); |
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201 } |
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202 |
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203 TInt CContentFile::SetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue) |
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204 { |
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205 ASSERT(iData); |
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206 return iData->SetProperty(aProperty, aValue); |
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207 } |
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208 |
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209 TInt CContentFile::Seek(TSeek aSeekMode, TInt aPos) |
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210 { |
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211 ASSERT(iData); |
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212 return iData->Seek(aSeekMode, aPos); |
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213 } |
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214 |
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215 TInt CContentFile::Read(TDes8& aDes,TInt aLength) |
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216 { |
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217 ASSERT(iData); |
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218 return iData->Read(aDes,aLength); |
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219 } |
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220 |
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221 void CContentFile::Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus) |
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222 { |
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223 ASSERT(iData); |
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224 iData->Read(aDes, aLength, aStatus); |
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225 } |
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226 |
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227 TInt CContentFile::Write(const TDesC8& /*aDes*/,TInt /*aLength*/) |
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228 { |
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229 return KErrAccessDenied; |
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230 } |
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231 void CContentFile::Write(const TDesC8& /*aDes*/, TInt /*aLength*/, TRequestStatus& aStatus) |
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232 { |
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233 TRequestStatus* status = &aStatus; |
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234 User::RequestComplete(status, KErrAccessDenied); |
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235 } |
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236 |
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237 TInt CContentFile::SetSize(TInt /*aSize*/) |
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238 { |
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239 // Only a source is implemented, hence this cannot be allowed |
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240 return KErrAccessDenied; |
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241 } |
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242 |
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243 |
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244 // Get the size of file |
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245 // this method opens a new, read-only, RFile the first time this method is called |
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246 |
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247 TInt CContentFile::Size(TInt& aSize) |
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248 { |
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249 ASSERT(iData); |
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250 TRAPD(err, iData->DataSizeL(aSize)); |
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251 return err; |
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252 } |
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253 |
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254 /** |
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255 * return a RFile for the legacy RFile method |
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256 * this method opens a new, read-only, RFile the first time this method is called |
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257 * @internalTechnology |
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258 * @return Reference to RFile handle to current file |
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259 */ |
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260 RFile& CContentFile::FileL() |
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261 { |
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262 if (!iLegacyFileOpen) |
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263 { |
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264 User::LeaveIfError(iLegacyFile.Open(*iSession, *iFilePath, EFileRead | EFileStream | EFileShareReadersOnly)); |
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265 iLegacyFileOpen = ETrue; |
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266 } |
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267 return iLegacyFile; |
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268 } |
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269 |
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270 CF32File* CF32File::NewL(RFile& aFile) |
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271 { |
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272 CF32File* self = new (ELeave) CF32File; |
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273 CleanupStack::PushL(self); |
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274 self->ConstructL(aFile); |
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275 CleanupStack::Pop(self); |
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276 return self; |
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277 } |
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278 |
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279 void CF32File::ConstructL(RFile& aFile) |
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280 { |
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281 iFile = aFile; |
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282 iFileHandle = ETrue; |
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283 } |
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284 |
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285 CContentFile* CContentFile::NewL(RFile& aFile, const TDesC& aUniqueId, TBool aEnableUI) |
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286 { |
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287 CContentFile* self = new (ELeave) CContentFile; |
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288 CleanupStack::PushL(self); |
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289 self->ConstructL(aFile, aUniqueId, aEnableUI); |
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290 CleanupStack::Pop(self); |
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291 return self; |
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292 } |
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293 |
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294 void CContentFile::ConstructL(RFile& aFile, const TDesC& aUniqueId, TBool aEnableUI) |
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295 { |
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296 iData = CData::NewL(aFile, aUniqueId); |
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297 TInt err = iData->SetProperty(EAgentPropertyAgentUI, aEnableUI); |
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298 if (err != KErrNone && err != KErrCANotSupported) |
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299 { |
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300 User::Leave(err); |
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301 } |
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302 User::LeaveIfError(iData->EvaluateIntent(EPeek)); |
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303 } |