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1 // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 /** |
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17 @file |
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18 @internalTechnology |
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19 */ |
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20 |
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21 #include <f32file.h> |
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22 #include <bautils.h> |
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23 #include <pathinfo.h> // PathInfo |
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24 #include <sysutil.h> |
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25 |
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26 #include <mtp/mmtpdataproviderframework.h> |
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27 #include <mtp/mmtpobjectmgr.h> |
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28 #include <mtp/mmtpstoragemgr.h> |
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29 #include <mtp/cmtpobjectmetadata.h> |
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30 #include <mtp/cmtptypearray.h> |
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31 #include <mtp/cmtptypestring.h> |
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32 |
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33 #include "cmtpimagedpcopyobject.h" |
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34 #include "mtpimagedppanic.h" |
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35 #include "mtpimagedputilits.h" |
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36 #include "cmtpimagedp.h" |
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37 |
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38 __FLOG_STMT(_LIT8(KComponent,"CopyObject");) |
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39 |
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40 const TInt RollbackFuncCnt = 1; |
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41 |
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42 /** |
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43 Verification data for the CopyObject request |
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44 */ |
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45 const TMTPRequestElementInfo KMTPCopyObjectPolicy[] = |
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46 { |
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47 {TMTPTypeRequest::ERequestParameter2, EMTPElementTypeStorageId, EMTPElementAttrWrite, 0, 0, 0}, |
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48 {TMTPTypeRequest::ERequestParameter3, EMTPElementTypeObjectHandle, EMTPElementAttrDir | EMTPElementAttrWrite, 1, 0, 0} |
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49 }; |
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50 |
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51 /** |
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52 Two-phase construction method |
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53 @param aPlugin The data provider plugin |
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54 @param aFramework The data provider framework |
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55 @param aConnection The connection from which the request comes |
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56 @return a pointer to the created request processor object |
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57 */ |
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58 MMTPRequestProcessor* CMTPImageDpCopyObject::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection,CMTPImageDataProvider& aDataProvider) |
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59 { |
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60 CMTPImageDpCopyObject* self = new (ELeave) CMTPImageDpCopyObject(aFramework, aConnection,aDataProvider); |
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61 CleanupStack::PushL(self); |
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62 self->ConstructL(); |
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63 CleanupStack::Pop(self); |
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64 return self; |
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65 } |
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66 |
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67 /** |
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68 Destructor |
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69 */ |
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70 CMTPImageDpCopyObject::~CMTPImageDpCopyObject() |
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71 { |
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72 __FLOG(_L8(">> CMTPImageDpCopyObject::~CMTPImageDpCopyObject")); |
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73 delete iDest; |
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74 delete iFileMan; |
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75 delete iSrcObjectInfo; |
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76 delete iTargetObjectInfo; |
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77 iRollbackActionL.Close(); |
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78 __FLOG(_L8("<< CMTPImageDpCopyObject::~CMTPImageDpCopyObject")); |
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79 __FLOG_CLOSE; |
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80 |
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81 } |
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82 |
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83 /** |
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84 Standard c++ constructor |
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85 */ |
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86 CMTPImageDpCopyObject::CMTPImageDpCopyObject(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection,CMTPImageDataProvider& aDataProvider) : |
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87 CMTPRequestProcessor(aFramework, aConnection, sizeof(KMTPCopyObjectPolicy)/sizeof(TMTPRequestElementInfo), KMTPCopyObjectPolicy), |
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88 iDataProvider(aDataProvider) |
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89 { |
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90 __FLOG_OPEN(KMTPSubsystem, KComponent); |
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91 } |
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92 |
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93 /** |
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94 Second phase constructor |
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95 */ |
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96 void CMTPImageDpCopyObject::ConstructL() |
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97 { |
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98 __FLOG(_L8(">> CMTPImageDpCopyObject::ConstructL")); |
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99 iFileMan = CFileMan::NewL(iFramework.Fs()); |
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100 iSrcObjectInfo = CMTPObjectMetaData::NewL(); |
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101 iRollbackActionL.ReserveL(RollbackFuncCnt); |
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102 __FLOG(_L8("<< CMTPImageDpCopyObject::ConstructL")); |
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103 } |
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104 |
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105 TMTPResponseCode CMTPImageDpCopyObject::CheckRequestL() |
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106 { |
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107 __FLOG(_L8(">> CMTPImageDpCopyObject::CheckRequestL")); |
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108 TMTPResponseCode responseCode = CMTPRequestProcessor::CheckRequestL(); |
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109 if (EMTPRespCodeOK == responseCode) |
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110 { |
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111 TUint32 objectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1); |
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112 // Check whether object handle is valid |
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113 responseCode = MTPImageDpUtilits::VerifyObjectHandleL(iFramework, objectHandle, *iSrcObjectInfo); |
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114 } |
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115 else if(EMTPRespCodeInvalidObjectHandle == responseCode) //we only check the parent handle |
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116 { |
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117 responseCode = EMTPRespCodeInvalidParentObject; |
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118 } |
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119 |
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120 __FLOG_VA((_L8("CheckRequestL - Exit with responseCode = 0x%04X"), responseCode)); |
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121 __FLOG(_L8("<< CMTPImageDpCopyObject::CheckRequestL")); |
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122 return responseCode; |
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123 } |
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124 |
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125 /** |
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126 CopyObject request handler |
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127 */ |
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128 void CMTPImageDpCopyObject::ServiceL() |
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129 { |
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130 __FLOG(_L8(">> CMTPImageDpCopyObject::ServiceL")); |
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131 TUint32 handle = KMTPHandleNone; |
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132 TMTPResponseCode responseCode = CopyObjectL(handle); |
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133 if(responseCode == EMTPRespCodeOK) |
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134 { |
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135 SendResponseL(EMTPRespCodeOK, 1, &handle); |
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136 } |
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137 else |
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138 { |
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139 SendResponseL(responseCode); |
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140 } |
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141 __FLOG(_L8("<< CMTPImageDpCopyObject::ServiceL")); |
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142 } |
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143 |
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144 /** |
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145 Copy object operation |
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146 @return the object handle of the resulting object. |
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147 */ |
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148 TMTPResponseCode CMTPImageDpCopyObject::CopyObjectL(TUint32& aNewHandle) |
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149 { |
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150 __FLOG(_L8(">> CMTPImageDpCopyObject::CopyObjectL")); |
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151 TMTPResponseCode responseCode = EMTPRespCodeOK; |
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152 aNewHandle = KMTPHandleNone; |
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153 |
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154 GetParametersL(); |
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155 |
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156 iNewFileName.Append(*iDest); |
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157 const TDesC& oldFileName = iSrcObjectInfo->DesC(CMTPObjectMetaData::ESuid); |
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158 TParsePtrC fileNameParser(oldFileName); |
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159 |
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160 if((iNewFileName.Length() + fileNameParser.NameAndExt().Length()) <= iNewFileName.MaxLength()) |
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161 { |
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162 iNewFileName.Append(fileNameParser.NameAndExt()); |
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163 responseCode = CanCopyObjectL(oldFileName, iNewFileName); |
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164 } |
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165 else |
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166 { |
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167 responseCode = EMTPRespCodeGeneralError; |
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168 } |
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169 |
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170 |
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171 if(responseCode == EMTPRespCodeOK) |
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172 { |
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173 aNewHandle = CopyFileL(oldFileName, iNewFileName); |
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174 } |
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175 __FLOG(_L8("<< CMTPImageDpCopyObject::CopyObjectL")); |
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176 return responseCode; |
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177 } |
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178 |
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179 /** |
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180 A helper function of CopyObjectL. |
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181 @param aNewFileName the new full filename after copy. |
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182 @return objectHandle of new copy of object. |
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183 */ |
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184 TUint32 CMTPImageDpCopyObject::CopyFileL(const TDesC& aOldFileName, const TDesC& aNewFileName) |
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185 { |
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186 __FLOG(_L8(">> CMTPImageDpCopyObject::CopyFileL")); |
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187 TCleanupItem anItem(FailRecover, reinterpret_cast<TAny*>(this)); |
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188 CleanupStack::PushL(anItem); |
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189 |
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190 GetPreviousPropertiesL(aOldFileName); |
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191 User::LeaveIfError(iFileMan->Copy(aOldFileName, *iDest)); |
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192 iRollbackActionL.Append(RollBackFromFsL); |
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193 SetPreviousPropertiesL(aNewFileName); |
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194 |
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195 iFramework.ObjectMgr().InsertObjectL(*iTargetObjectInfo); |
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196 __FLOG(_L8("<< CMTPImageDpCopyObject::CopyFileL")); |
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197 CleanupStack::Pop(this); |
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198 return iTargetObjectInfo->Uint(CMTPObjectMetaData::EHandle); |
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199 } |
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200 |
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201 /** |
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202 Retrieve the parameters of the request |
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203 */ |
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204 void CMTPImageDpCopyObject::GetParametersL() |
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205 { |
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206 __FLOG(_L8(">> CMTPImageDpCopyObject::GetParametersL")); |
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207 __ASSERT_DEBUG(iRequestChecker, Panic(EMTPImageDpRequestCheckNull)); |
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208 |
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209 TUint32 objectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1); |
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210 iStorageId = Request().Uint32(TMTPTypeRequest::ERequestParameter2); |
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211 TUint32 parentObjectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter3); |
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212 |
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213 if(parentObjectHandle == 0) |
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214 { |
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215 SetDefaultParentObjectL(); |
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216 } |
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217 else |
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218 { |
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219 CMTPObjectMetaData* parentObjectInfo = iRequestChecker->GetObjectInfo(parentObjectHandle); |
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220 __ASSERT_DEBUG(parentObjectInfo, Panic(EMTPImageDpObjectNull)); |
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221 delete iDest; |
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222 iDest = NULL; |
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223 iDest = parentObjectInfo->DesC(CMTPObjectMetaData::ESuid).AllocL(); |
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224 iNewParentHandle = parentObjectHandle; |
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225 } |
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226 __FLOG(_L8("<< CMTPImageDpCopyObject::GetParametersL")); |
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227 } |
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228 |
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229 /** |
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230 Get a default parent object, ff the request does not specify a parent object, |
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231 */ |
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232 void CMTPImageDpCopyObject::SetDefaultParentObjectL() |
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233 { |
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234 __FLOG(_L8(">> CMTPImageDpCopyObject::SetDefaultParentObjectL")); |
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235 TDriveNumber drive(static_cast<TDriveNumber>(iFramework.StorageMgr().DriveNumber(iStorageId))); |
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236 User::LeaveIfError(drive); |
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237 TChar driveLetter; |
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238 iFramework.Fs().DriveToChar(drive, driveLetter); |
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239 TFileName driveBuf; |
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240 driveBuf.Append(driveLetter); |
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241 driveBuf = BaflUtils::RootFolderPath(driveBuf.Left(1)); |
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242 delete iDest; |
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243 iDest = NULL; |
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244 iDest = driveBuf.AllocL(); |
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245 iNewParentHandle = KMTPHandleNoParent; |
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246 __FLOG(_L8("<< CMTPImageDpCopyObject::SetDefaultParentObjectL")); |
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247 } |
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248 |
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249 /** |
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250 Check if we can copy the file to the new location |
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251 */ |
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252 TMTPResponseCode CMTPImageDpCopyObject::CanCopyObjectL(const TDesC& aOldName, const TDesC& aNewName) const |
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253 { |
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254 __FLOG(_L8(">> CMTPImageDpCopyObject::CanCopyObjectL")); |
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255 TMTPResponseCode result = EMTPRespCodeOK; |
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256 |
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257 TEntry fileEntry; |
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258 User::LeaveIfError(iFramework.Fs().Entry(aOldName, fileEntry)); |
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259 TDriveNumber drive(static_cast<TDriveNumber>(iFramework.StorageMgr().DriveNumber(iStorageId))); |
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260 User::LeaveIfError(drive); |
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261 TVolumeInfo volumeInfo; |
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262 User::LeaveIfError(iFramework.Fs().Volume(volumeInfo, drive)); |
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263 |
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264 if(volumeInfo.iFree < fileEntry.iSize) |
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265 { |
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266 result = EMTPRespCodeStoreFull; |
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267 } |
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268 else if (BaflUtils::FileExists(iFramework.Fs(), aNewName)) |
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269 { |
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270 result = EMTPRespCodeInvalidParentObject; |
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271 } |
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272 __FLOG_VA((_L8("CanCopyObjectL - Exit with response code 0x%04X"), result)); |
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273 __FLOG(_L8("<< CMTPImageDpCopyObject::CanCopyObjectL")); |
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274 return result; |
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275 } |
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276 |
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277 /** |
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278 Save the object properties before doing the copy |
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279 */ |
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280 void CMTPImageDpCopyObject::GetPreviousPropertiesL(const TDesC& aOldFileName) |
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281 { |
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282 __FLOG(_L8("GetPreviousPropertiesL - Entry")); |
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283 User::LeaveIfError(iFramework.Fs().Modified(aOldFileName, iDateModified)); |
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284 __FLOG(_L8("GetPreviousPropertiesL - Exit")); |
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285 } |
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286 |
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287 /** |
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288 Set the object properties after doing the copy |
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289 */ |
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290 void CMTPImageDpCopyObject::SetPreviousPropertiesL(const TDesC& aNewFileName) |
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291 { |
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292 __FLOG(_L8("SetPreviousPropertiesL - Entry")); |
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293 User::LeaveIfError(iFramework.Fs().SetModified(aNewFileName, iDateModified)); |
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294 |
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295 iTargetObjectInfo = CMTPObjectMetaData::NewL(); |
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296 iTargetObjectInfo->SetUint(CMTPObjectMetaData::EDataProviderId, iSrcObjectInfo->Uint(CMTPObjectMetaData::EDataProviderId)); |
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297 iTargetObjectInfo->SetUint(CMTPObjectMetaData::EFormatCode, iSrcObjectInfo->Uint(CMTPObjectMetaData::EFormatCode)); |
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298 iTargetObjectInfo->SetDesCL(CMTPObjectMetaData::EName, iSrcObjectInfo->DesC(CMTPObjectMetaData::EName)); |
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299 iTargetObjectInfo->SetUint(CMTPObjectMetaData::ENonConsumable, iSrcObjectInfo->Uint(CMTPObjectMetaData::ENonConsumable)); |
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300 iTargetObjectInfo->SetUint(CMTPObjectMetaData::EParentHandle, iNewParentHandle); |
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301 iTargetObjectInfo->SetUint(CMTPObjectMetaData::EStorageId, iStorageId); |
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302 iTargetObjectInfo->SetDesCL(CMTPObjectMetaData::ESuid, aNewFileName); |
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303 __FLOG(_L8("SetPreviousPropertiesL - Exit")); |
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304 } |
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305 |
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306 void CMTPImageDpCopyObject::FailRecover(TAny* aCopyOperation) |
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307 { |
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308 reinterpret_cast<CMTPImageDpCopyObject*>(aCopyOperation)->RollBack(); |
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309 } |
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310 |
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311 void CMTPImageDpCopyObject::RollBack() |
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312 { |
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313 TInt i = iRollbackActionL.Count(); |
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314 while(-- i >= 0) |
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315 { |
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316 TRAP_IGNORE((*iRollbackActionL[i])(this)); |
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317 } |
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318 iRollbackActionL.Reset(); |
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319 } |
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320 |
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321 void CMTPImageDpCopyObject::RollBackFromFsL() |
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322 { |
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323 User::LeaveIfError(iFramework.Fs().Delete(iNewFileName)); |
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324 } |
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325 |
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326 void CMTPImageDpCopyObject::RollBackFromFsL(CMTPImageDpCopyObject* aObject) |
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327 { |
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328 aObject->RollBackFromFsL(); |
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329 } |
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330 |
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331 // End of file |
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332 |