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1 /* |
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2 * Copyright (c) 2007 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: Datatype implementation for Rights Constraint |
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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 FILES |
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20 #include <s32strm.h> |
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21 #include <s32mem.h> |
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22 #include "DRMConstraint.h" |
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23 |
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24 // CONSTANTS |
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25 |
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26 // Synchronizing marker in the beginning of the stream in order to synchronize |
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27 // to an externalized Constraint object having the new structure. |
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28 const TInt32 KSyncMark = 0xAFCE; |
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29 |
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30 // Old and new version number of the Constraint object |
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31 const TInt8 KVersion3_2_0 = 0; |
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32 const TInt8 KVersion3_2_1 = 1; |
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33 |
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34 const TInt KSanityDataLengthLow = 0; |
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35 const TInt KSanityDataLengthHigh = 32768; |
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36 |
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37 |
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38 // ============================ LOCAL FUNCTIONS =============================== |
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39 |
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40 // ----------------------------------------------------------------------------- |
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41 // SanitizeL |
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42 // Performs a sanity check on length parameters |
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43 // ----------------------------------------------------------------------------- |
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44 // |
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45 LOCAL_C void SanitizeL( TInt aParam ) |
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46 { |
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47 if( aParam < KSanityDataLengthLow || aParam > KSanityDataLengthHigh ) |
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48 { |
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49 User::Leave(KErrArgument); |
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50 } |
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51 } |
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52 |
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53 // ----------------------------------------------------------------------------- |
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54 // AppendToArrayL |
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55 // Appends the strings of array aFrom to array aTo |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 LOCAL_C void AppendToArrayL( RPointerArray<HBufC8>& aTo, |
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59 const RPointerArray<HBufC8>& aFrom ) |
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60 { |
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61 HBufC8* addData = NULL; |
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62 |
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63 for( TInt i = 0; i < aFrom.Count(); i++ ) |
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64 { |
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65 addData = aFrom[i]->AllocLC(); |
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66 aTo.AppendL( addData ); |
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67 CleanupStack::Pop( addData ); |
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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 // CountArrayStoreSize |
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73 // Returns the size in bytes how much the array needs for storing |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 LOCAL_C TInt CountArrayStoreSize( const RPointerArray<HBufC8>& aArray ) |
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77 { |
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78 TInt size = 0; |
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79 |
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80 for(TInt i = 0; i < aArray.Count(); i++ ) |
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81 { |
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82 size += sizeof(TInt); |
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83 size += aArray[i]->Size(); |
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84 } |
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85 return size; |
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86 } |
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87 // ----------------------------------------------------------------------------- |
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88 // WriteArrayToStreamL |
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89 // Write the array to the stream |
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90 // ----------------------------------------------------------------------------- |
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91 // |
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92 LOCAL_C void WriteArrayToStreamL( RWriteStream& aStream, |
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93 const RPointerArray<HBufC8>& aArray ) |
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94 { |
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95 for(TInt i = 0; i < aArray.Count(); i++ ) |
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96 { |
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97 aStream.WriteInt32L( aArray[i]->Size() ); |
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98 aStream.WriteL( aArray[i]->Des() ); |
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99 } |
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100 } |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // ReadArrayFromStringL |
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104 // Reads the array from the string |
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105 // ----------------------------------------------------------------------------- |
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106 // |
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107 LOCAL_C void ReadArrayFromStringL( const TDesC8& aString, |
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108 RPointerArray<HBufC8>& aArray ) |
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109 { |
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110 RMemReadStream inRead( static_cast<const TAny*>( aString.Ptr() ), aString.Size() ); |
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111 TInt size = 0; |
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112 HBufC8* addData = NULL; |
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113 TPtr8 dataBuffer(NULL,0,0); |
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114 CleanupClosePushL( inRead ); |
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115 |
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116 |
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117 aArray.ResetAndDestroy(); |
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118 |
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119 |
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120 for( TInt i = 0; i < aString.Size();) |
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121 { |
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122 // If there is not enough data to read the integer |
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123 // it means that it's an old version and the whole thing is the |
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124 // string since in previous versions only one string is stored |
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125 if(( aString.Size() - i) < sizeof(TInt) ) |
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126 { |
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127 aArray.ResetAndDestroy(); |
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128 addData = aString.AllocLC(); |
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129 aArray.AppendL( addData ); |
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130 CleanupStack::Pop(); |
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131 CleanupStack::PopAndDestroy(); // inRead |
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132 return; |
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133 } |
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134 |
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135 size = inRead.ReadInt32L(); |
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136 i += sizeof(TInt); |
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137 |
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138 // If the size is negative or the size left is not large enough |
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139 // it means that it's an old version and the whole thing is the |
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140 // string since in previous versions only one string is stored. |
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141 if( size < 0 || size > ( aString.Size() - i ) ) |
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142 { |
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143 aArray.ResetAndDestroy(); |
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144 addData = aString.AllocLC(); |
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145 aArray.AppendL( addData ); |
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146 CleanupStack::Pop(); |
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147 CleanupStack::PopAndDestroy(); // inRead |
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148 return; |
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149 } |
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150 addData = HBufC8::NewMaxLC( size ); |
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151 |
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152 // Set the read buffer: |
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153 dataBuffer.Set(const_cast<TUint8*>(addData->Ptr()), 0, size); |
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154 |
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155 // Read the data: |
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156 inRead.ReadL( dataBuffer ); |
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157 |
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158 aArray.AppendL( addData ); |
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159 CleanupStack::Pop( addData ); |
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160 |
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161 i += size; |
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162 } |
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163 CleanupStack::PopAndDestroy(); |
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164 return; |
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165 } |
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166 |
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167 // ----------------------------------------------------------------------------- |
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168 // IsIndividualConstraintValid |
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169 // ----------------------------------------------------------------------------- |
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170 // |
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171 LOCAL_C TBool IsIndividualConstraintValid( const RPointerArray<HBufC8>& aConstraint, |
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172 const RPointerArray<HBufC8>& aValidConstraints) |
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173 { |
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174 TInt retVal = 0; |
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175 |
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176 for( TInt i = 0; i < aConstraint.Count(); i++ ) |
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177 { |
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178 for( TInt j = 0; j < aValidConstraints.Count(); j++ ) |
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179 { |
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180 retVal = aConstraint[i]->Des().Compare( aValidConstraints[j]->Des() ); |
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181 if( !retVal ) |
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182 { |
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183 return ETrue; |
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184 } |
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185 } |
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186 } |
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187 return EFalse; |
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188 }; |
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189 |
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190 // ============================ MEMBER FUNCTIONS =============================== |
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191 |
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192 |
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193 // ----------------------------------------------------------------------------- |
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194 // CDRMConstraint::NewLC |
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195 // Two-phased constructor. |
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196 // ----------------------------------------------------------------------------- |
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197 // |
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198 EXPORT_C CDRMConstraint* CDRMConstraint::NewLC() |
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199 { |
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200 CDRMConstraint* self = new( ELeave ) CDRMConstraint(); |
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201 CleanupStack::PushL( self ); |
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202 self->ConstructL(); |
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203 |
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204 return self; |
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205 }; |
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206 |
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207 // ----------------------------------------------------------------------------- |
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208 // CDRMConstraint::NewL |
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209 // Two-phased constructor. |
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210 // ----------------------------------------------------------------------------- |
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211 // |
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212 EXPORT_C CDRMConstraint* CDRMConstraint::NewL() |
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213 { |
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214 CDRMConstraint* self = NewLC(); |
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215 CleanupStack::Pop(); |
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216 |
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217 return self; |
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218 }; |
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219 |
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220 // ----------------------------------------------------------------------------- |
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221 // Default Constructor - First phase. |
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222 // Can be used by itself to generate an empty object |
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223 // ----------------------------------------------------------------------------- |
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224 // |
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225 EXPORT_C CDRMConstraint::CDRMConstraint() : |
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226 iSyncMark( KSyncMark ), |
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227 iVersion( KVersion3_2_1 ), // Version number for differentiation |
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228 // in InternalizeL. |
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229 iStartTime( Time::NullTTime() ), |
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230 iEndTime( Time::NullTTime() ), |
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231 iIntervalStart( Time::NullTTime() ), |
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232 iInterval( 0 ), |
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233 iCounter( 0 ), |
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234 iOriginalCounter( 0 ), |
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235 iTimedCounter( 0 ), |
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236 iTimedInterval( 0 ), |
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237 iAccumulatedTime( 0 ), |
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238 iVendorId( TUid::Null() ), |
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239 iSecureId( TUid::Null() ), |
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240 iActiveConstraints( 0 ), |
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241 iDrmMeteringInfo( NULL ), |
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242 iOriginalTimedCounter( 0 ) |
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243 { |
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244 } |
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245 |
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246 // ----------------------------------------------------------------------------- |
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247 // Destructor |
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248 // ----------------------------------------------------------------------------- |
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249 // |
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250 EXPORT_C CDRMConstraint::~CDRMConstraint() |
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251 { |
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252 |
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253 iIndividual.ResetAndDestroy(); |
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254 iIndividual.Close(); |
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255 |
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256 iSystem.ResetAndDestroy(); |
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257 iSystem.Close(); |
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258 |
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259 #ifdef RD_DRM_METERING |
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260 if( iDrmMeteringInfo ) |
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261 { |
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262 delete iDrmMeteringInfo; |
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263 iDrmMeteringInfo = NULL; |
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264 } |
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265 #endif |
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266 |
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267 }; |
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268 |
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269 // ----------------------------------------------------------------------------- |
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270 // CDRMConstraint::ExternalizeL |
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271 // ----------------------------------------------------------------------------- |
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272 // |
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273 EXPORT_C void CDRMConstraint::ExternalizeL( RWriteStream& aStream ) const |
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274 { |
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275 |
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276 // used for the buffers |
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277 TInt32 dataLength = 0; |
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278 |
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279 // write the synchronizing marker |
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280 aStream.WriteInt32L( iSyncMark ); |
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281 |
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282 // Write the version number |
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283 aStream.WriteInt32L( iVersion ); |
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284 |
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285 // Write the start time |
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286 WriteInt64L( iStartTime.Int64(), aStream ); |
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287 |
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288 // Write the end time |
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289 WriteInt64L( iEndTime.Int64(), aStream ); |
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290 |
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291 // Write the interval start time |
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292 WriteInt64L( iIntervalStart.Int64(), aStream ); |
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293 |
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294 // Write the interval |
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295 aStream.WriteInt32L( iInterval.Int() ); |
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296 |
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297 // Write the counter |
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298 aStream.WriteInt32L( iCounter ); |
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299 |
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300 // Write the original counter |
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301 aStream.WriteInt32L( iOriginalCounter ); |
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302 |
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303 // Write the timed counter |
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304 aStream.WriteInt32L( iTimedCounter ); |
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305 |
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306 // Write the timed interval |
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307 aStream.WriteInt32L( iTimedInterval.Int() ); |
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308 |
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309 // Write the accumulated time |
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310 aStream.WriteInt32L( iAccumulatedTime.Int() ); |
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311 |
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312 // Write the individual |
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313 dataLength = 0; |
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314 if ( iIndividual.Count() ) |
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315 { |
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316 dataLength = CountArrayStoreSize( iIndividual ); |
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317 } |
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318 aStream.WriteInt32L( dataLength ); |
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319 |
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320 if ( dataLength ) |
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321 { |
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322 WriteArrayToStreamL( aStream, iIndividual ); |
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323 } |
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324 |
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325 // Software Vendor Id |
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326 aStream.WriteInt32L( iVendorId.iUid ); |
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327 |
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328 // Secure Id of the allowed application |
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329 aStream.WriteInt32L( iSecureId.iUid ); |
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330 |
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331 // Active constraints |
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332 aStream.WriteUint32L( iActiveConstraints ); |
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333 |
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334 // Metering info |
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335 #ifdef RD_DRM_METERING |
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336 dataLength = 0; |
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337 if ( iDrmMeteringInfo ) |
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338 { |
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339 dataLength = sizeof( TTimeIntervalSeconds ) + sizeof( TUint8 ); |
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340 } |
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341 |
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342 aStream.WriteInt32L( dataLength ); |
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343 |
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344 if ( dataLength ) |
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345 { |
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346 aStream.WriteInt32L( iDrmMeteringInfo->iGraceTime.Int() ); |
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347 aStream.WriteInt8L( iDrmMeteringInfo->iAllowUseWithoutMetering ); |
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348 } |
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349 |
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350 #endif |
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351 |
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352 // Write the system |
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353 dataLength = 0; |
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354 if ( iSystem.Count() ) |
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355 { |
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356 dataLength = CountArrayStoreSize( iSystem ); |
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357 } |
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358 |
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359 aStream.WriteInt32L( dataLength ); |
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360 |
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361 if ( dataLength ) |
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362 { |
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363 WriteArrayToStreamL( aStream, iSystem ); |
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364 } |
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365 |
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366 // write the original timed counter |
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367 aStream.WriteInt32L( iOriginalTimedCounter ); |
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368 |
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369 // For future use |
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370 aStream.WriteInt32L( 0 ); |
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371 |
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372 }; |
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373 |
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374 // ----------------------------------------------------------------------------- |
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375 // CDRMConstraint::InternalizeL |
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376 // ----------------------------------------------------------------------------- |
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377 // |
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378 EXPORT_C void CDRMConstraint::InternalizeL( RReadStream& aStream ) |
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379 { |
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380 |
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381 TInt64 timeData = 0; |
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382 TInt32 temp = 0; |
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383 |
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384 // used for the buffers |
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385 TInt dataLength = 0; |
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386 HBufC8* dataPart = NULL; |
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387 TPtr8 dataBuffer(NULL,0,0); |
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388 |
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389 // Read the (possible) synchronizing marker. |
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390 iSyncMark = aStream.ReadInt32L(); |
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391 |
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392 if ( iSyncMark != KSyncMark ) |
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393 { |
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394 |
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395 // The structure of the externalized Permission object is the old one. |
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396 // The first four bytes constitute half of the eight bytes of Start time. |
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397 // Read another four bytes from the stream (and apply bit modifications) |
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398 // in order to reconstruct the Start time (iStartTime). |
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399 temp = aStream.ReadInt32L(); |
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400 |
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401 timeData = temp; |
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402 timeData <<= 32; |
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403 |
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404 Mem::Copy( &timeData, &iSyncMark, sizeof(TInt32) ); |
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405 |
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406 iStartTime = timeData; |
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407 timeData = 0; |
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408 |
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409 // The version is marked as old version for differentiation in |
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410 // InternalizeL. |
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411 iVersion = KVersion3_2_0; |
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412 |
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413 } |
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414 else |
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415 { |
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416 // The structure of the externalized Permission object is the new one. |
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417 // Read the version and Start time. |
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418 iVersion = aStream.ReadInt32L(); |
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419 |
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420 // Read the start time |
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421 ReadInt64L( timeData, aStream ); |
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422 iStartTime = timeData; |
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423 |
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424 } |
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425 |
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426 // Read the end time |
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427 ReadInt64L( timeData, aStream ); |
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428 iEndTime = timeData; |
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429 |
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430 // Read the interval start time |
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431 ReadInt64L( timeData, aStream ); |
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432 iIntervalStart = timeData; |
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433 |
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434 // Read the interval |
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435 iInterval = aStream.ReadInt32L(); |
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436 |
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437 // Read the counter |
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438 iCounter = aStream.ReadInt32L(); |
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439 |
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440 // Read the original counter |
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441 iOriginalCounter = aStream.ReadInt32L(); |
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442 |
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443 // Read the timed counter |
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444 iTimedCounter = aStream.ReadInt32L(); |
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445 |
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446 // Read the timed interval |
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447 iTimedInterval = aStream.ReadInt32L(); |
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448 |
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449 // Read the accumulated time |
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450 iAccumulatedTime = aStream.ReadInt32L(); |
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451 |
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452 // Read the individual |
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453 dataLength = aStream.ReadInt32L(); |
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454 |
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455 SanitizeL( dataLength ); |
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456 |
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457 if( dataLength > 0 ) |
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458 { |
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459 // Reserve a new buffer: |
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460 dataPart = HBufC8::NewMaxLC( dataLength ); |
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461 |
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462 // Set the read buffer: |
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463 dataBuffer.Set(const_cast<TUint8*>(dataPart->Ptr()), 0, dataLength); |
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464 |
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465 // Read the data: |
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466 aStream.ReadL( dataBuffer ); |
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467 |
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468 |
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469 // Fill the array from the string |
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470 ReadArrayFromStringL( dataBuffer, iIndividual); |
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471 |
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472 // Pop the buffer |
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473 CleanupStack::PopAndDestroy(); // dataPart |
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474 |
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475 } |
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476 else |
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477 { |
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478 iIndividual.ResetAndDestroy(); |
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479 } |
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480 |
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481 |
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482 // Read the system |
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483 if ( iVersion == KVersion3_2_0 ) // Constraint has the old structure. |
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484 { |
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485 |
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486 dataLength = aStream.ReadInt32L(); |
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487 |
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488 SanitizeL( dataLength ); |
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489 |
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490 if( dataLength > 0 ) |
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491 { |
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492 // Reserve a new buffer: |
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493 dataPart = HBufC8::NewMaxLC( dataLength ); |
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494 |
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495 // Set the read buffer: |
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496 dataBuffer.Set( const_cast<TUint8*>(dataPart->Ptr()), 0, |
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497 dataLength ); |
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498 |
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499 // Read the data: |
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500 aStream.ReadL( dataBuffer ); |
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501 |
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502 // Pop the buffer |
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503 CleanupStack::Pop(); // dataPart |
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504 |
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505 // If an old content identifier exists delete it |
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506 if ( iSystem.Count() ) |
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507 { |
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508 iSystem.ResetAndDestroy(); |
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509 } |
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510 |
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511 // assign the new content id |
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512 iSystem.AppendL( dataPart ); |
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513 } |
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514 else |
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515 { |
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516 // If an old system exists delete it |
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517 if ( iSystem.Count() ) |
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518 { |
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519 iSystem.ResetAndDestroy(); |
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520 } |
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521 } |
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522 } |
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523 |
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524 // Software Vendor Id |
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525 iVendorId.iUid = aStream.ReadInt32L(); |
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526 |
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527 // Secure Id of the allowed application |
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528 iSecureId.iUid = aStream.ReadInt32L(); |
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529 |
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530 // Active constraints |
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531 iActiveConstraints = aStream.ReadUint32L(); |
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532 |
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533 #ifdef RD_DRM_METERING |
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534 |
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535 // Do not read metering information if the version |
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536 // is the old one because Metering is not activated in it. |
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537 if ( iVersion == KVersion3_2_1 ) |
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538 { |
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539 |
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540 // Metering info |
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541 dataLength = aStream.ReadInt32L(); |
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542 |
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543 SanitizeL( dataLength ); |
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544 |
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545 if( dataLength > 0 ) |
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546 { |
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547 |
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548 if( !iDrmMeteringInfo ) |
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549 { |
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550 // Reserve a new metering information instance |
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551 iDrmMeteringInfo = new (ELeave)TDrmMeteringInfo; |
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552 } |
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553 else |
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554 { |
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555 iDrmMeteringInfo->iGraceTime = 0; |
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556 iDrmMeteringInfo->iAllowUseWithoutMetering = EFalse; |
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557 } |
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558 |
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559 // Read grace time |
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560 iDrmMeteringInfo->iGraceTime = aStream.ReadInt32L(); |
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561 |
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562 // Read whether content can be consumed without |
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563 // metering being used |
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564 iDrmMeteringInfo->iAllowUseWithoutMetering = |
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565 aStream.ReadInt8L(); |
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566 |
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567 } |
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568 else |
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569 { |
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570 |
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571 // If old metering information exists delete it |
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572 if( iDrmMeteringInfo ) |
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573 { |
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574 delete iDrmMeteringInfo; |
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575 iDrmMeteringInfo = NULL; |
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576 } |
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577 } |
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578 } |
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579 |
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580 #endif //RD_DRM_METERING |
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581 |
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582 // Read the system and original timed counter |
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583 // according to the new structure. |
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584 if ( iVersion == KVersion3_2_1 ) |
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585 { |
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586 |
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587 dataLength = aStream.ReadInt32L(); |
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588 |
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589 SanitizeL( dataLength ); |
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590 |
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591 if( dataLength > 0 ) |
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592 { |
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593 // Reserve a new buffer: |
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594 dataPart = HBufC8::NewMaxLC( dataLength ); |
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595 |
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596 // Set the read buffer: |
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597 dataBuffer.Set(const_cast<TUint8*>(dataPart->Ptr()), 0, dataLength); |
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598 |
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599 // Read the data: |
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600 aStream.ReadL( dataBuffer ); |
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601 |
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602 // Fill the array from the string |
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603 ReadArrayFromStringL( dataBuffer, iSystem); |
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604 |
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605 // Pop the buffer |
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606 CleanupStack::PopAndDestroy(); // dataPart |
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607 |
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608 } |
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609 else |
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610 { |
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611 iSystem.ResetAndDestroy(); |
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612 } |
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613 |
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614 // Read the original timed counter |
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615 iOriginalTimedCounter = aStream.ReadInt32L(); |
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616 |
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617 // For future use or development, reads the data at the end of the stream |
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618 dataLength = aStream.ReadInt32L(); |
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619 |
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620 SanitizeL( dataLength ); |
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621 |
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622 if ( dataLength > 0 ) |
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623 { |
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624 |
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625 // Reserve a new buffer: |
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626 dataPart = HBufC8::NewMaxLC( dataLength ); |
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627 |
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628 // Set the read buffer: |
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629 dataBuffer.Set(const_cast<TUint8*>(dataPart->Ptr()), 0, dataLength); |
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630 |
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631 // Read the data: |
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632 aStream.ReadL( dataBuffer ); |
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633 |
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634 // Pop the buffer |
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635 CleanupStack::PopAndDestroy( dataPart ); |
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636 } |
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637 } |
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638 |
|
639 // Constraint can be considered to have the new structure from now on. |
|
640 if ( iVersion == KVersion3_2_0 ) |
|
641 { |
|
642 iSyncMark = KSyncMark; |
|
643 iVersion = KVersion3_2_1; |
|
644 } |
|
645 |
|
646 }; |
|
647 |
|
648 // ----------------------------------------------------------------------------- |
|
649 // CDRMConstraint::Stateful |
|
650 // ----------------------------------------------------------------------------- |
|
651 // |
|
652 EXPORT_C TBool CDRMConstraint::Stateful() const |
|
653 { |
|
654 // counters, timed counters and accumulated are stateful |
|
655 if ( iActiveConstraints & (EConstraintCounter | |
|
656 EConstraintTimedCounter | |
|
657 EConstraintAccumulated ) ) |
|
658 { |
|
659 return ETrue; |
|
660 } |
|
661 |
|
662 // Non-Activated interval is stateful |
|
663 if ( ( iActiveConstraints & EConstraintInterval ) && |
|
664 iIntervalStart == Time::NullTTime() ) |
|
665 { |
|
666 return ETrue; |
|
667 } |
|
668 |
|
669 return EFalse; |
|
670 }; |
|
671 |
|
672 // ----------------------------------------------------------------------------- |
|
673 // CDRMConstraint::Size |
|
674 // ----------------------------------------------------------------------------- |
|
675 // |
|
676 EXPORT_C TInt CDRMConstraint::Size() const |
|
677 { |
|
678 TInt size = 0; |
|
679 |
|
680 // synchronizing marker |
|
681 size += sizeof(TInt32); |
|
682 |
|
683 // version number |
|
684 size += sizeof(TInt32); |
|
685 |
|
686 // usage start time |
|
687 size += sizeof(TTime); |
|
688 |
|
689 // usage end time |
|
690 size += sizeof(TTime); |
|
691 |
|
692 // interval start time |
|
693 size += sizeof(TTime); |
|
694 |
|
695 // interval duration |
|
696 size += sizeof(TTimeIntervalSeconds); |
|
697 |
|
698 // counter |
|
699 size += sizeof(TDRMCounter); |
|
700 |
|
701 // original counter value |
|
702 size += sizeof(TDRMCounter); |
|
703 |
|
704 // timed counter |
|
705 size += sizeof(TDRMCounter); |
|
706 |
|
707 // Interval of the timed counter constraint |
|
708 size += sizeof(TTimeIntervalSeconds); |
|
709 |
|
710 // accumulated time |
|
711 size += sizeof(TTimeIntervalSeconds); |
|
712 |
|
713 // individual allowed usage |
|
714 size += sizeof(TInt32); |
|
715 size += CountArrayStoreSize( iIndividual ); |
|
716 |
|
717 // Software Vendor Id |
|
718 size += sizeof(TUid); |
|
719 |
|
720 // Secure Id of the allowed application |
|
721 size += sizeof(TUid); |
|
722 |
|
723 // Bitmask of active constraints |
|
724 size += sizeof(TUint32); |
|
725 |
|
726 #ifdef RD_DRM_METERING |
|
727 // Metering information |
|
728 size += sizeof(TInt32); |
|
729 |
|
730 if (iDrmMeteringInfo) |
|
731 { |
|
732 size += sizeof(TTimeIntervalSeconds); |
|
733 size += sizeof(TUint8); |
|
734 } |
|
735 |
|
736 #endif //RD_DRM_METERING |
|
737 |
|
738 // system allowed usage |
|
739 size += sizeof(TInt32); |
|
740 size += CountArrayStoreSize(iSystem); |
|
741 |
|
742 // original timed counter value |
|
743 size += sizeof(TDRMCounter); |
|
744 |
|
745 // For future use |
|
746 size += sizeof(TInt32); |
|
747 |
|
748 return size; |
|
749 |
|
750 }; |
|
751 |
|
752 // ----------------------------------------------------------------------------- |
|
753 // CDRMConstraint::Expired |
|
754 // ----------------------------------------------------------------------------- |
|
755 // |
|
756 EXPORT_C TBool CDRMConstraint::Expired( const TTime& aTime ) const |
|
757 { |
|
758 // Full Rights do not expire |
|
759 if ( iActiveConstraints == EConstraintNone ) |
|
760 { |
|
761 return EFalse; |
|
762 } |
|
763 |
|
764 // First check counters, accumulated time and timed counters |
|
765 // if any of these is expired the whole thing is expired regardless of the |
|
766 // actual time based constrants or future rights |
|
767 |
|
768 // Counters |
|
769 if ( ( iActiveConstraints & EConstraintCounter ) && iCounter < 1 ) |
|
770 { |
|
771 return ETrue; |
|
772 } |
|
773 |
|
774 // Accumulated time |
|
775 if ( ( iActiveConstraints & EConstraintAccumulated ) && iAccumulatedTime.Int() == 0 ) |
|
776 { |
|
777 return ETrue; |
|
778 } |
|
779 |
|
780 // Timed Counters |
|
781 if ( ( iActiveConstraints & EConstraintTimedCounter ) && iTimedCounter < 1 ) |
|
782 { |
|
783 return ETrue; |
|
784 } |
|
785 |
|
786 |
|
787 // Dont check time based rights |
|
788 if ( aTime != Time::NullTTime() ) |
|
789 { |
|
790 |
|
791 // Check for activated intervals |
|
792 if ( ( iActiveConstraints & EConstraintInterval) && iIntervalStart != Time::NullTTime() ) |
|
793 { |
|
794 TTimeIntervalSeconds current; |
|
795 |
|
796 aTime.SecondsFrom( iIntervalStart, current ); |
|
797 |
|
798 if ( current >= iInterval ) |
|
799 { |
|
800 return ETrue; |
|
801 } |
|
802 } |
|
803 |
|
804 // Check for end time |
|
805 if ( ( iActiveConstraints & EConstraintEndTime ) && aTime >= iEndTime ) |
|
806 { |
|
807 return ETrue; |
|
808 } |
|
809 |
|
810 // Check for start time, future rights |
|
811 if ( ( iActiveConstraints & EConstraintStartTime ) && aTime < iStartTime ) |
|
812 { |
|
813 return EFalse; |
|
814 } |
|
815 } |
|
816 |
|
817 return EFalse; |
|
818 } |
|
819 // ----------------------------------------------------------------------------- |
|
820 // CDRMConstraint::Merge |
|
821 // ----------------------------------------------------------------------------- |
|
822 // |
|
823 EXPORT_C void CDRMConstraint::Merge( const CDRMConstraint& aConstraint ) |
|
824 { |
|
825 TInt error = KErrNone; |
|
826 |
|
827 if ( this != &aConstraint ) |
|
828 { |
|
829 if ( aConstraint.iActiveConstraints & EConstraintStartTime ) |
|
830 { |
|
831 if ( iActiveConstraints & EConstraintStartTime ) |
|
832 { |
|
833 iStartTime = Max( iStartTime, aConstraint.iStartTime ); |
|
834 } |
|
835 else |
|
836 { |
|
837 iStartTime = aConstraint.iStartTime; |
|
838 iActiveConstraints |= EConstraintStartTime; |
|
839 } |
|
840 } |
|
841 |
|
842 if ( aConstraint.iActiveConstraints & EConstraintEndTime ) |
|
843 { |
|
844 if ( iActiveConstraints & EConstraintEndTime ) |
|
845 { |
|
846 iEndTime = Min( aConstraint.iEndTime, iEndTime ); |
|
847 } |
|
848 else |
|
849 { |
|
850 iEndTime = aConstraint.iEndTime; |
|
851 iActiveConstraints |= EConstraintEndTime; |
|
852 } |
|
853 } |
|
854 |
|
855 if ( aConstraint.iActiveConstraints & EConstraintCounter ) |
|
856 { |
|
857 if ( iActiveConstraints & EConstraintCounter ) |
|
858 { |
|
859 iCounter = Min( iCounter, aConstraint.iCounter ); |
|
860 iOriginalCounter = Min( iOriginalCounter, aConstraint.iOriginalCounter ); |
|
861 } |
|
862 else |
|
863 { |
|
864 iCounter = aConstraint.iCounter; |
|
865 iOriginalCounter = aConstraint.iOriginalCounter; |
|
866 iActiveConstraints |= EConstraintCounter; |
|
867 } |
|
868 } |
|
869 |
|
870 if ( aConstraint.iActiveConstraints & EConstraintInterval ) |
|
871 { |
|
872 if ( iActiveConstraints & EConstraintInterval ) |
|
873 { |
|
874 iIntervalStart = Max( iIntervalStart, aConstraint.iIntervalStart ); |
|
875 iInterval = Min( iInterval, aConstraint.iInterval ); |
|
876 } |
|
877 else |
|
878 { |
|
879 iIntervalStart = aConstraint.iIntervalStart; |
|
880 iInterval = aConstraint.iInterval; |
|
881 iActiveConstraints |= EConstraintInterval; |
|
882 } |
|
883 } |
|
884 |
|
885 if ( aConstraint.iActiveConstraints & EConstraintTimedCounter ) |
|
886 { |
|
887 if ( iActiveConstraints & EConstraintTimedCounter ) |
|
888 { |
|
889 if ( aConstraint.iTimedCounter < iTimedCounter ) |
|
890 { |
|
891 iTimedCounter = aConstraint.iTimedCounter; |
|
892 iTimedInterval = aConstraint.iTimedInterval; |
|
893 } |
|
894 } |
|
895 else |
|
896 { |
|
897 iTimedCounter = aConstraint.iTimedCounter; |
|
898 iTimedInterval = aConstraint.iTimedInterval; |
|
899 iActiveConstraints |= EConstraintTimedCounter; |
|
900 } |
|
901 } |
|
902 |
|
903 if ( aConstraint.iActiveConstraints & EConstraintAccumulated ) |
|
904 { |
|
905 if ( iActiveConstraints & EConstraintAccumulated ) |
|
906 { |
|
907 iAccumulatedTime = Min( iAccumulatedTime, aConstraint.iAccumulatedTime ); |
|
908 } |
|
909 else |
|
910 { |
|
911 iAccumulatedTime = aConstraint.iAccumulatedTime; |
|
912 iActiveConstraints |= EConstraintAccumulated; |
|
913 } |
|
914 } |
|
915 |
|
916 if( aConstraint.iActiveConstraints & EConstraintIndividual ) |
|
917 { |
|
918 // Ignore the error since we don't return an error code or leave |
|
919 TRAP( error, AppendToArrayL( iIndividual, aConstraint.iIndividual ) ); |
|
920 } |
|
921 |
|
922 } |
|
923 } |
|
924 |
|
925 // ----------------------------------------------------------------------------- |
|
926 // CDRMConstraint::Consume |
|
927 // ----------------------------------------------------------------------------- |
|
928 // |
|
929 EXPORT_C void CDRMConstraint::Consume( const TTime& aCurrentTime ) |
|
930 { |
|
931 if ( ( iActiveConstraints & EConstraintInterval ) && |
|
932 iIntervalStart == Time::NullTTime() ) |
|
933 { |
|
934 iIntervalStart = aCurrentTime; |
|
935 } |
|
936 |
|
937 if ( iActiveConstraints & EConstraintCounter ) |
|
938 { |
|
939 --iCounter; |
|
940 } |
|
941 } |
|
942 |
|
943 // ----------------------------------------------------------------------------- |
|
944 // CDRMConstraint::DuplicateL |
|
945 // ----------------------------------------------------------------------------- |
|
946 // |
|
947 EXPORT_C void CDRMConstraint::DuplicateL( const CDRMConstraint& aConstraint ) |
|
948 { |
|
949 |
|
950 // synchronizing marker |
|
951 iSyncMark = aConstraint.iSyncMark; |
|
952 |
|
953 // version number |
|
954 iVersion = aConstraint.iVersion; |
|
955 |
|
956 // usage start time |
|
957 iStartTime = aConstraint.iStartTime; |
|
958 |
|
959 // usage end time |
|
960 iEndTime = aConstraint.iEndTime; |
|
961 |
|
962 // interval start time |
|
963 iIntervalStart = aConstraint.iIntervalStart; |
|
964 |
|
965 // interval duration |
|
966 iInterval = aConstraint.iInterval; |
|
967 |
|
968 // counter |
|
969 iCounter = aConstraint.iCounter; |
|
970 |
|
971 // original counter value |
|
972 iOriginalCounter = aConstraint.iOriginalCounter; |
|
973 |
|
974 // timed counter |
|
975 iTimedCounter = aConstraint.iTimedCounter; |
|
976 |
|
977 // Interval of the timed counter constraint |
|
978 iTimedInterval = aConstraint.iTimedInterval; |
|
979 |
|
980 // accumulated time |
|
981 iAccumulatedTime = aConstraint.iAccumulatedTime; |
|
982 |
|
983 // individual allowed usage |
|
984 iIndividual.ResetAndDestroy(); |
|
985 |
|
986 AppendToArrayL( iIndividual, aConstraint.iIndividual ); |
|
987 |
|
988 // Software Vendor Id |
|
989 iVendorId = aConstraint.iVendorId; |
|
990 |
|
991 // Secure Id of the allowed application |
|
992 iSecureId = aConstraint.iSecureId; |
|
993 |
|
994 // Bitmask of active constraints |
|
995 iActiveConstraints = aConstraint.iActiveConstraints; // Bitmask |
|
996 |
|
997 #ifdef RD_DRM_METERING |
|
998 // Metering information |
|
999 if ( aConstraint.iDrmMeteringInfo ) |
|
1000 { |
|
1001 |
|
1002 if( !iDrmMeteringInfo ) |
|
1003 { |
|
1004 iDrmMeteringInfo = new (ELeave) TDrmMeteringInfo; |
|
1005 } |
|
1006 |
|
1007 iDrmMeteringInfo->iGraceTime = aConstraint.iDrmMeteringInfo->iGraceTime; |
|
1008 iDrmMeteringInfo->iAllowUseWithoutMetering = aConstraint.iDrmMeteringInfo->iAllowUseWithoutMetering; |
|
1009 } |
|
1010 #endif |
|
1011 |
|
1012 // system allowed usage |
|
1013 iSystem.ResetAndDestroy(); |
|
1014 AppendToArrayL( iSystem, aConstraint.iSystem ); |
|
1015 |
|
1016 // original timed counter value |
|
1017 iOriginalTimedCounter = aConstraint.iOriginalTimedCounter; |
|
1018 |
|
1019 }; |
|
1020 |
|
1021 |
|
1022 // ----------------------------------------------------------------------------- |
|
1023 // CDRMConstraint::Valid |
|
1024 // ----------------------------------------------------------------------------- |
|
1025 // |
|
1026 EXPORT_C TBool CDRMConstraint::Valid( const TTime& aTime, |
|
1027 const RPointerArray<HBufC8>& aIndividual, |
|
1028 TUint32& aRejection ) const |
|
1029 { |
|
1030 TBool drmTime = EFalse; |
|
1031 // Null the rejection requirement: |
|
1032 aRejection = EConstraintNone; |
|
1033 |
|
1034 // Full Rights are always valid |
|
1035 if ( iActiveConstraints == EConstraintNone ) |
|
1036 { |
|
1037 return ETrue; |
|
1038 } |
|
1039 |
|
1040 // First check counters, accumulated time and timed counters |
|
1041 // if any of these are invalid the whole thing is invalid regardless of the |
|
1042 // actual time based constraints |
|
1043 |
|
1044 // Counters |
|
1045 if ( ( iActiveConstraints & EConstraintCounter ) && iCounter < 1 ) |
|
1046 { |
|
1047 aRejection |= EConstraintCounter; |
|
1048 } |
|
1049 |
|
1050 // Accumulated time |
|
1051 if ( ( iActiveConstraints & EConstraintAccumulated ) && iAccumulatedTime.Int() == 0 ) |
|
1052 { |
|
1053 aRejection |= EConstraintAccumulated; |
|
1054 } |
|
1055 |
|
1056 // Timed Counters |
|
1057 if ( ( iActiveConstraints & EConstraintTimedCounter ) && iTimedCounter < 1 ) |
|
1058 { |
|
1059 aRejection |= EConstraintTimedCounter; |
|
1060 } |
|
1061 |
|
1062 // Dont check time based rights |
|
1063 if ( aTime != Time::NullTTime() ) |
|
1064 { |
|
1065 drmTime = ETrue; |
|
1066 // Check for activated intervals |
|
1067 if ( (iActiveConstraints & EConstraintInterval) && iIntervalStart != Time::NullTTime() ) |
|
1068 { |
|
1069 TTimeIntervalSeconds current; |
|
1070 |
|
1071 aTime.SecondsFrom( iIntervalStart, current ); |
|
1072 |
|
1073 if ( ( current >= iInterval ) || ( aTime < iIntervalStart ) ) |
|
1074 { |
|
1075 aRejection |= EConstraintInterval; |
|
1076 } |
|
1077 } |
|
1078 |
|
1079 // Check for end time |
|
1080 if ( ( iActiveConstraints & EConstraintEndTime ) && aTime >= iEndTime ) |
|
1081 { |
|
1082 aRejection |= EConstraintEndTime; |
|
1083 } |
|
1084 |
|
1085 if ( ( iActiveConstraints & EConstraintStartTime ) && aTime < iStartTime ) |
|
1086 { |
|
1087 aRejection |= EConstraintStartTime; |
|
1088 } |
|
1089 } |
|
1090 else |
|
1091 { |
|
1092 drmTime = EFalse; |
|
1093 |
|
1094 // Check for activated intervals |
|
1095 if ( (iActiveConstraints & EConstraintInterval) ) |
|
1096 { |
|
1097 aRejection |= EConstraintInterval; |
|
1098 } |
|
1099 |
|
1100 // Check for end time |
|
1101 if ( ( iActiveConstraints & EConstraintEndTime ) ) |
|
1102 { |
|
1103 aRejection |= EConstraintEndTime; |
|
1104 } |
|
1105 |
|
1106 if( ( iActiveConstraints & EConstraintStartTime ) ) |
|
1107 { |
|
1108 aRejection |= EConstraintStartTime; |
|
1109 } |
|
1110 } |
|
1111 |
|
1112 // IMSI Checking: |
|
1113 if( iActiveConstraints & EConstraintIndividual ) |
|
1114 { |
|
1115 if ( !aIndividual.Count() && !iIndividual.Count() ) |
|
1116 { |
|
1117 aRejection |= EConstraintIndividual; |
|
1118 } |
|
1119 else if( !IsIndividualConstraintValid( iIndividual, aIndividual ) ) |
|
1120 { |
|
1121 aRejection |= EConstraintIndividual; |
|
1122 } |
|
1123 } |
|
1124 |
|
1125 if( aRejection ) |
|
1126 { |
|
1127 // drmTime is null, so some constraints may have been discarded because of that |
|
1128 if( !drmTime ) |
|
1129 { |
|
1130 aRejection |= EConstraintNullDrmTime; |
|
1131 } |
|
1132 return EFalse; |
|
1133 } |
|
1134 |
|
1135 return ETrue; |
|
1136 }; |
|
1137 |
|
1138 |
|
1139 // ----------------------------------------------------------------------------- |
|
1140 // CDRMConstraint::ConstructL |
|
1141 // 2nd phase constructor |
|
1142 // ----------------------------------------------------------------------------- |
|
1143 // |
|
1144 void CDRMConstraint::ConstructL() |
|
1145 { |
|
1146 }; |
|
1147 |
|
1148 // ----------------------------------------------------------------------------- |
|
1149 // CDRMConstraint::WriteInt64L |
|
1150 // ----------------------------------------------------------------------------- |
|
1151 // |
|
1152 void CDRMConstraint::WriteInt64L( const TInt64& aWrite, RWriteStream& aStream ) const |
|
1153 { |
|
1154 TPtr8 output(NULL,0,0); |
|
1155 |
|
1156 output.Set( reinterpret_cast<TUint8*>(const_cast<TInt64*>(&aWrite)), |
|
1157 sizeof(TInt64), sizeof(TInt64) ); |
|
1158 |
|
1159 aStream.WriteL( output, sizeof(TInt64) ); |
|
1160 }; |
|
1161 |
|
1162 // ----------------------------------------------------------------------------- |
|
1163 // CDRMConstraint::ReadInt64L |
|
1164 // ----------------------------------------------------------------------------- |
|
1165 // |
|
1166 void CDRMConstraint::ReadInt64L( TInt64& aRead, RReadStream& aStream ) |
|
1167 { |
|
1168 TPtr8 input(NULL,0,0); |
|
1169 |
|
1170 input.Set( reinterpret_cast<TUint8*>(&aRead), 0, sizeof(TInt64) ); |
|
1171 |
|
1172 aStream.ReadL( input, sizeof(TInt64) ); |
|
1173 }; |
|
1174 // End of File |