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1 /* |
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2 * Copyright (c) 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 "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: Implement the operation: GetObject |
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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 <mtp/mmtpdataproviderframework.h> |
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20 #include <mtp/cmtpobjectmetadata.h> |
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21 #include <mtp/cmtptypefile.h> |
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22 |
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23 #include "cgetobject.h" |
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24 #include "mmmtpdplogger.h" |
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25 |
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26 // ----------------------------------------------------------------------------- |
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27 // Verification data for the GetNumObjects request |
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28 // ----------------------------------------------------------------------------- |
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29 // |
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30 const TMTPRequestElementInfo KMTPGetObjectPolicy[] = |
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31 { |
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32 { |
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33 TMTPTypeRequest::ERequestParameter1, |
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34 EMTPElementTypeObjectHandle, |
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35 EMTPElementAttrFile, |
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36 0, |
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37 0, |
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38 0 |
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39 } |
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40 }; |
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41 |
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42 // ----------------------------------------------------------------------------- |
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43 // CGetObject::NewL |
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44 // Two-phase construction method |
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45 // ----------------------------------------------------------------------------- |
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46 // |
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47 EXPORT_C MMmRequestProcessor* CGetObject::NewL( MMTPDataProviderFramework& aFramework, |
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48 MMTPConnection& aConnection, |
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49 MMmMtpDpConfig& /*aDpConfig*/ ) |
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50 { |
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51 CGetObject* self = new ( ELeave ) CGetObject( aFramework, aConnection ); |
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52 CleanupStack::PushL( self ); |
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53 self->ConstructL(); |
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54 CleanupStack::Pop( self ); |
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55 return self; |
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56 } |
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57 |
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58 // ----------------------------------------------------------------------------- |
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59 // CGetObject::ConstructL |
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60 // Two-phase construction method |
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61 // ----------------------------------------------------------------------------- |
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62 // |
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63 void CGetObject::ConstructL() |
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64 { |
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65 SetPSStatus(); |
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66 } |
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67 |
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68 // ----------------------------------------------------------------------------- |
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69 // CGetObject::~CGetObject |
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70 // Destructor |
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71 // ----------------------------------------------------------------------------- |
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72 // |
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73 EXPORT_C CGetObject::~CGetObject() |
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74 { |
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75 PRINT( _L( "MM MTP => CGetObject::~CGetObject" ) ); |
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76 delete iFileObject; |
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77 PRINT( _L( "MM MTP <= CGetObject::~CGetObject" ) ); |
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78 } |
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79 |
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80 // ----------------------------------------------------------------------------- |
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81 // CGetObject::CGetObject |
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82 // Standard c++ constructor |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 CGetObject::CGetObject( MMTPDataProviderFramework& aFramework, |
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86 MMTPConnection& aConnection ) : |
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87 CRequestProcessor( aFramework, |
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88 aConnection, |
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89 sizeof( KMTPGetObjectPolicy ) / sizeof( TMTPRequestElementInfo ), |
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90 KMTPGetObjectPolicy ), |
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91 iFs( iFramework.Fs() ), |
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92 iError( EMTPRespCodeOK ) |
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93 { |
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94 PRINT( _L( "Operation: GetObject(0x1009)" ) ); |
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95 } |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // CGetObject::ServiceL |
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99 // GetObject request handler |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 void CGetObject::ServiceL() |
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103 { |
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104 PRINT( _L( "MM MTP => CGetObject::ServiceL" ) ); |
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105 |
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106 // Get the objectinfo |
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107 TUint32 objectHandle = Request().Uint32( TMTPTypeRequest::ERequestParameter1 ); |
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108 PRINT1( _L( "MM MTP <> CGetObject::ServiceL objectHandle = 0x%x" ), objectHandle ); |
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109 |
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110 // NOTE: shouldn't be deleted in destructor, don't have the ownership |
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111 iObjectInfo = iRequestChecker->GetObjectInfo( objectHandle ); |
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112 |
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113 if ( iObjectInfo != NULL ) |
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114 { |
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115 // Get the file |
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116 GetObjectL( iObjectInfo->DesC( CMTPObjectMetaData::ESuid ) ); |
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117 |
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118 // Send the data (file) |
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119 SendDataL( *iFileObject ); |
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120 } |
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121 else |
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122 { |
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123 // The object handle has already been checked, so an invalid handle can |
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124 // only occur if it was invalidated during a context switch between |
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125 // the validation time and now. |
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126 iError = EMTPRespCodeInvalidObjectHandle; |
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127 } |
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128 |
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129 PRINT1( _L( "MM MTP <= CGetObject::ServiceL iError = 0x%x" ), iError ); |
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130 } |
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131 |
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132 // ----------------------------------------------------------------------------- |
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133 // CGetObject::GetObjectL |
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134 // |
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135 // ----------------------------------------------------------------------------- |
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136 // |
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137 void CGetObject::GetObjectL( const TDesC& aFileName ) |
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138 { |
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139 PRINT( _L( "MM MTP => CGetObject::GetObjectL" ) ); |
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140 |
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141 // Create the file object |
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142 delete iFileObject; |
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143 iFileObject = NULL; |
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144 iFileObject = CMTPTypeFile::NewL( iFs, aFileName, EFileRead ); |
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145 |
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146 PRINT( _L( "MM MTP <= CGetObject::GetObjectL" ) ); |
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147 } |
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148 |
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149 // ----------------------------------------------------------------------------- |
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150 // CGetObject::DoHandleResponsePhaseL |
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151 // Handle the response phase of the current request |
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152 // ----------------------------------------------------------------------------- |
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153 // |
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154 TBool CGetObject::DoHandleResponsePhaseL() |
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155 { |
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156 PRINT( _L( "MM MTP => CGetObject::DoHandleResponsePhaseL" ) ) |
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157 |
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158 TMTPResponseCode responseCode = ( iCancelled ? EMTPRespCodeIncompleteTransfer : iError ); |
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159 SendResponseL( responseCode ); |
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160 |
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161 PRINT1( _L( "MM MTP <= CGetObject::DoHandleResponsePhaseL responseCode = 0x%x" ), responseCode ); |
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162 |
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163 return EFalse; |
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164 } |
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165 |
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166 // end of file |