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1 /* |
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2 * Copyright (c) 2004-2009 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 * |
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16 */ |
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17 |
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18 |
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19 #include <caf/caf.h> |
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20 #include "TestAgentDrmContent.h" |
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21 |
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22 using namespace ContentAccess; |
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23 |
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24 CTestAgentDrmContent* CTestAgentDrmContent::NewL(RFile& aFile) |
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25 { |
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26 CTestAgentDrmContent *self = new (ELeave) CTestAgentDrmContent(aFile); |
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27 CleanupStack::PushL(self); |
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28 self->ConstructL(); |
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29 CleanupStack::Pop(self); |
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30 return self; |
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31 } |
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32 |
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33 CTestAgentDrmContent::CTestAgentDrmContent(RFile& aFile) : iFile(aFile) |
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34 { |
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35 } |
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36 |
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37 CTestAgentDrmContent::~CTestAgentDrmContent() |
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38 { |
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39 delete iContentMimeType; |
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40 } |
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41 |
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42 void CTestAgentDrmContent::ConstructL() |
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43 { |
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44 // buffer for reading field sizes from the file |
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45 TBuf8 <4> buf; |
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46 |
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47 // Get size of mime type field |
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48 User::LeaveIfError(iFile.Read(buf,1)); |
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49 TUint8 contentTypeLength = buf[0]; |
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50 |
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51 // Read mime type field |
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52 iContentMimeType = HBufC8::NewL((TInt) contentTypeLength); |
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53 TPtr8 mimePtr = iContentMimeType->Des(); |
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54 User::LeaveIfError(iFile.Read(mimePtr, (TInt) contentTypeLength)); |
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55 |
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56 // Read whether or not file has been imported yet |
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57 User::LeaveIfError(iFile.Read(buf,1)); |
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58 |
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59 // Get size of data |
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60 User::LeaveIfError(iFile.Read(buf,4)); |
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61 iDataSize = buf[0]; |
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62 iDataSize <<= 8; |
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63 iDataSize += buf[1]; |
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64 iDataSize <<= 8; |
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65 iDataSize += buf[2]; |
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66 iDataSize <<= 8; |
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67 iDataSize += buf[3]; |
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68 |
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69 // Calculate offset of data |
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70 iDataOffset = 1 + 1 + 4 + contentTypeLength; |
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71 |
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72 // Go to the start of the DRM file |
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73 TInt pos = 0; |
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74 Seek(ESeekStart, pos); |
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75 } |
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76 |
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77 TInt CTestAgentDrmContent::ReadTUintvarL(TDes8& aBuffer, TInt Offset, TInt& aNumBytes) const |
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78 { |
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79 TUint8 byte; |
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80 TInt Value=0; |
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81 TBool Continue = ETrue; |
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82 |
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83 for(aNumBytes = 0; Continue ; aNumBytes++) |
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84 { |
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85 Value <<= 7; |
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86 if(Offset + aNumBytes == aBuffer.Length()) |
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87 User::Leave(KErrOverflow); |
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88 |
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89 byte = aBuffer[Offset + aNumBytes]; |
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90 if((byte & 0x80) == 0) |
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91 { |
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92 Continue=EFalse; |
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93 } |
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94 else |
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95 { |
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96 byte &= 0x7F; |
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97 } |
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98 |
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99 Value+=byte; |
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100 } |
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101 return Value; |
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102 } |
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103 |
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104 |
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105 TInt CTestAgentDrmContent::Read(TDes8& aDes,TInt aLength) |
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106 { |
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107 return iFile.Read(aDes, aLength); |
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108 } |
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109 |
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110 void CTestAgentDrmContent::Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus) |
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111 { |
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112 iFile.Read(aDes, aLength, aStatus); |
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113 } |
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114 |
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115 void CTestAgentDrmContent::ReadCancel(TRequestStatus& aStatus) |
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116 { |
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117 iFile.ReadCancel(aStatus); |
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118 } |
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119 |
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120 TInt CTestAgentDrmContent::Seek(TSeek aMode, TInt& aPos) |
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121 { |
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122 TInt rval; |
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123 // Don't allow the user to seek into the OMA header, only around the data itself |
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124 TInt Offset; |
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125 |
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126 switch(aMode) |
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127 { |
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128 case ESeekAddress: |
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129 // Unlikely for this case to be used |
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130 if(aPos > iDataSize || aPos < 0) |
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131 return KErrArgument; |
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132 |
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133 Offset = iDataOffset + aPos; |
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134 rval = iFile.Seek(aMode, Offset); |
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135 // Offset is populated with the ROM address, fill in aPos for the caller |
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136 aPos=Offset; |
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137 break; |
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138 |
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139 case ESeekStart: |
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140 if(aPos > iDataSize) |
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141 aPos = iDataSize; |
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142 if(aPos < 0) |
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143 return KErrArgument; |
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144 Offset = iDataOffset + aPos; |
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145 rval = iFile.Seek(aMode, Offset); |
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146 break; |
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147 case ESeekCurrent: |
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148 Offset = aPos; |
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149 rval = iFile.Seek(aMode, Offset); |
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150 // if we have done a seek before the start of the data |
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151 // do another seek to get back to the start of the data |
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152 if(Offset < iDataOffset) |
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153 { |
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154 Offset = iDataOffset; |
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155 rval = iFile.Seek(ESeekStart, Offset); |
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156 aPos = 0; |
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157 } |
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158 else |
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159 { |
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160 aPos = Offset - iDataOffset; |
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161 } |
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162 break; |
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163 case ESeekEnd: |
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164 // offsets are negative for ESeekEnd |
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165 Offset = aPos; |
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166 if(Offset < - iDataSize) |
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167 Offset = - iDataSize; |
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168 rval = iFile.Seek(aMode, Offset); |
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169 aPos = Offset - iDataOffset; |
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170 break; |
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171 default: |
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172 return KErrNotSupported; |
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173 } |
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174 return rval; |
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175 } |
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176 |
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177 TPtrC8 CTestAgentDrmContent::ContentMimeType() |
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178 { |
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179 return *iContentMimeType; |
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180 } |
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181 |
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182 TInt CTestAgentDrmContent::GetAttribute(TInt aAttribute, TInt& aValue) |
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183 { |
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184 TInt err = KErrNone; |
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185 |
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186 switch(aAttribute) |
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187 { |
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188 case EIsProtected: |
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189 aValue = ETrue; |
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190 break; |
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191 case EIsForwardable: |
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192 aValue = EFalse; |
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193 break; |
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194 case EIsModifyable: |
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195 aValue = EFalse; |
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196 break; |
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197 case EIsCopyable: |
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198 aValue = EFalse; |
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199 break; |
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200 case ECanPlay: |
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201 aValue = ETrue; |
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202 break; |
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203 case ECanPrint: |
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204 aValue = ETrue; |
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205 break; |
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206 case ECanExecute: |
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207 aValue = ETrue; |
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208 break; |
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209 case ECanView: |
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210 aValue = ETrue; |
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211 break; |
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212 case EPreviewAvailable: |
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213 aValue = EFalse; |
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214 break; |
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215 case EContentCDataInUse: |
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216 aValue = KErrCANotSupported; |
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217 break; |
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218 case ECanRewind: |
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219 aValue = ETrue; |
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220 break; |
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221 case ECopyPaste: |
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222 aValue = ETrue; |
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223 break; |
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224 case ECanMove: |
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225 aValue = ETrue; |
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226 break; |
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227 case ECanRename: |
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228 aValue = ETrue; |
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229 break; |
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230 case ECanAutomaticConsume: |
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231 aValue = ETrue; |
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232 break; |
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233 case EContentVersion: |
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234 default: |
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235 err = KErrCANotSupported; |
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236 break; |
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237 }; |
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238 return err; |
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239 } |
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240 |
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241 TInt CTestAgentDrmContent::GetStringAttribute(TInt aAttribute, TDes& aValue) |
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242 { |
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243 TInt err = KErrNone; |
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244 switch(aAttribute) |
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245 { |
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246 // the content object |
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247 case EMimeType: |
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248 aValue.Copy(*iContentMimeType); |
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249 break; |
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250 default: |
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251 err = KErrCANotSupported; |
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252 break; |
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253 }; |
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254 return err; |
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255 } |
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256 |
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257 void CTestAgentDrmContent::DataSizeL(TInt &aSize) |
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258 { |
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259 aSize = iDataSize; |
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260 } |
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261 |
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262 void CTestAgentDrmContent::Read(TInt aPos, TDes8& aDes, TInt aLength, TRequestStatus& aStatus) |
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263 { |
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264 TInt offset = aPos + iDataOffset; |
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265 iFile.Read(offset, aDes, aLength, aStatus); |
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266 } |