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: Progressive Download Utility Implementation of ContentFile 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 |
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23 using namespace ContentAccess; |
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24 |
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25 #include "ContentFile.h" |
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26 |
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27 |
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28 CContentFile::~CContentFile() |
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29 { |
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30 delete iData; |
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31 |
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32 if (iLegacyFileOpen) |
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33 iLegacyFile.Close(); |
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34 delete iFilePath; |
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35 } |
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36 |
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37 |
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38 CContentFile* CContentFile::NewL(RFs& aSession, const TDesC& aFilePath, const TDesC& aUniqueId, TUint aMode, TBool aEnableUI) |
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39 { |
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40 CContentFile* self = new (ELeave) CContentFile; |
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41 CleanupStack::PushL(self); |
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42 self->ConstructL(aSession, aFilePath, aUniqueId, aMode, aEnableUI); |
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43 CleanupStack::Pop(self); |
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44 return self; |
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45 } |
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46 |
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47 void CContentFile::ConstructL(RFs& aSession, const TDesC& aPath, const TDesC& aUniqueId, TUint /*aMode*/, TBool aEnableUI) |
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48 { |
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49 iSession = &aSession; |
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50 iFilePath = aPath.AllocL(); |
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51 |
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52 // Assume that we want the content to be shared and read-only. |
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53 if (aUniqueId.Length() > 0) |
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54 { |
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55 iData = CData::NewL(TVirtualPathPtr(*iFilePath, aUniqueId), EContentShareReadWrite); |
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56 } |
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57 else |
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58 { |
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59 iData = CData::NewL(TVirtualPathPtr(*iFilePath), EContentShareReadWrite); |
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60 } |
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61 |
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62 TInt err = iData->SetProperty(EAgentPropertyAgentUI, aEnableUI); |
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63 if (err != KErrNone && err != KErrCANotSupported) |
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64 { |
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65 User::Leave(err); |
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66 } |
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67 User::LeaveIfError(iData->EvaluateIntent(EPeek)); |
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68 } |
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69 |
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70 |
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71 |
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72 TInt CContentFile::EvaluateIntent(TIntent aIntent) const |
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73 { |
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74 ASSERT(iData); |
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75 return iData->EvaluateIntent(aIntent); |
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76 } |
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77 |
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78 |
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79 TInt CContentFile::ExecuteIntent(TIntent aIntent) |
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80 { |
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81 ASSERT(iData); |
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82 return iData->ExecuteIntent(aIntent); |
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83 } |
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84 |
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85 TBool CContentFile::IsProtected() const |
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86 { |
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87 ASSERT(iData); |
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88 TInt value = 0; |
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89 TInt err =iData->GetAttribute(EIsProtected, value); |
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90 return (err == KErrNone && value); |
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91 } |
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92 |
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93 TInt CContentFile::SetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue) |
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94 { |
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95 ASSERT(iData); |
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96 return iData->SetProperty(aProperty, aValue); |
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97 } |
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98 |
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99 TInt CContentFile::Seek(TSeek aSeekMode, TInt& aPos) |
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100 { |
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101 ASSERT(iData); |
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102 return iData->Seek(aSeekMode, aPos); |
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103 } |
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104 |
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105 TInt CContentFile::Read(TDes8& aDes,TInt aLength) |
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106 { |
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107 ASSERT(iData); |
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108 return iData->Read(aDes,aLength); |
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109 } |
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110 |
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111 void CContentFile::Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus) |
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112 { |
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113 ASSERT(iData); |
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114 iData->Read(aDes, aLength, aStatus); |
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115 } |
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116 |
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117 TInt CContentFile::Write(const TDesC8& /*aDes*/,TInt /*aLength*/) |
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118 { |
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119 return KErrAccessDenied; |
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120 } |
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121 void CContentFile::Write(const TDesC8& /*aDes*/, TInt /*aLength*/, TRequestStatus& aStatus) |
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122 { |
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123 TRequestStatus* status = &aStatus; |
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124 User::RequestComplete(status, KErrAccessDenied); |
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125 } |
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126 |
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127 TInt CContentFile::SetSize(TInt /*aSize*/) |
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128 { |
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129 // Only a source is implemented, hence this cannot be allowed |
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130 return KErrAccessDenied; |
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131 } |
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132 |
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133 |
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134 // Get the size of file |
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135 // this method opens a new, read-only, RFile the first time this method is called |
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136 |
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137 TInt CContentFile::Size(TInt& aSize) |
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138 { |
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139 ASSERT(iData); |
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140 TRAPD(err, iData->DataSizeL(aSize)); |
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141 return err; |
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142 } |
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143 |
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144 /** |
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145 * return a RFile for the legacy RFile method |
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146 * this method opens a new, read-only, RFile the first time this method is called |
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147 * @internalTechnology |
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148 * @return Reference to RFile handle to current file |
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149 */ |
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150 RFile& CContentFile::FileL() |
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151 { |
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152 if (!iLegacyFileOpen) |
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153 { |
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154 User::LeaveIfError(iLegacyFile.Open(*iSession, *iFilePath, EFileRead | EFileStream | EFileShareReadersOnly)); |
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155 iLegacyFileOpen = ETrue; |
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156 } |
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157 return iLegacyFile; |
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158 } |
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159 |
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160 CContentFile* CContentFile::NewL(RFile& aFile, const TDesC& aUniqueId, TBool aEnableUI) |
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161 { |
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162 CContentFile* self = new (ELeave) CContentFile; |
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163 CleanupStack::PushL(self); |
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164 self->ConstructL(aFile, aUniqueId, aEnableUI); |
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165 CleanupStack::Pop(self); |
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166 return self; |
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167 } |
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168 |
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169 void CContentFile::ConstructL(RFile& aFile, const TDesC& aUniqueId, TBool aEnableUI) |
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170 { |
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171 iData = CData::NewL(aFile, aUniqueId); |
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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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