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1 // Copyright (c) 2007-2009 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 #include <f32file.h> |
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17 #include <bautils.h> |
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18 |
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19 #include <mtp/mmtpdataproviderframework.h> |
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20 #include <mtp/mmtpobjectmgr.h> |
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21 #include <mtp/mmtpstoragemgr.h> |
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22 #include <mtp/cmtpobjectmetadata.h> |
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23 #include <mtp/cmtptypearray.h> |
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24 #include <mtp/cmtptypestring.h> |
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25 |
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26 #include "cmtpcopyobject.h" |
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27 #include "mtpdppanic.h" |
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28 |
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29 __FLOG_STMT(_LIT8(KComponent,"CopyObject");) |
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30 |
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31 /** |
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32 Verification data for the CopyObject request |
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33 */ |
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34 const TMTPRequestElementInfo KMTPCopyObjectPolicy[] = |
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35 { |
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36 {TMTPTypeRequest::ERequestParameter1, EMTPElementTypeObjectHandle, EMTPElementAttrFileOrDir, 0, 0, 0}, |
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37 {TMTPTypeRequest::ERequestParameter2, EMTPElementTypeStorageId, EMTPElementAttrWrite, 0, 0, 0}, |
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38 {TMTPTypeRequest::ERequestParameter3, EMTPElementTypeObjectHandle, EMTPElementAttrDir | EMTPElementAttrWrite, 1, 0, 0} |
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39 }; |
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40 |
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41 /** |
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42 Two-phase construction method |
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43 @param aPlugin The data provider plugin |
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44 @param aFramework The data provider framework |
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45 @param aConnection The connection from which the request comes |
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46 @return a pointer to the created request processor object |
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47 */ |
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48 EXPORT_C MMTPRequestProcessor* CMTPCopyObject::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection) |
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49 { |
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50 CMTPCopyObject* self = new (ELeave) CMTPCopyObject(aFramework, aConnection); |
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51 CleanupStack::PushL(self); |
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52 self->ConstructL(); |
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53 CleanupStack::Pop(self); |
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54 return self; |
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55 } |
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56 |
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57 |
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58 /** |
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59 Destructor |
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60 */ |
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61 EXPORT_C CMTPCopyObject::~CMTPCopyObject() |
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62 { |
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63 delete iDest; |
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64 delete iFileMan; |
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65 |
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66 __FLOG_CLOSE; |
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67 } |
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68 |
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69 /** |
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70 Standard c++ constructor |
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71 */ |
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72 CMTPCopyObject::CMTPCopyObject(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection) : |
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73 CMTPRequestProcessor(aFramework, aConnection, sizeof(KMTPCopyObjectPolicy)/sizeof(TMTPRequestElementInfo), KMTPCopyObjectPolicy) |
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74 { |
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75 __FLOG_OPEN(KMTPSubsystem, KComponent); |
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76 } |
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77 |
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78 |
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79 /** |
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80 CopyObject request handler |
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81 */ |
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82 void CMTPCopyObject::ServiceL() |
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83 { |
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84 TUint32 handle = KMTPHandleNone; |
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85 TMTPResponseCode responseCode = CopyObjectL(handle); |
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86 if(responseCode == EMTPRespCodeOK) |
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87 { |
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88 SendResponseL(EMTPRespCodeOK, 1, &handle); |
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89 } |
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90 else |
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91 { |
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92 SendResponseL(responseCode); |
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93 } |
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94 } |
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95 |
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96 |
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97 /** |
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98 Second phase constructor |
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99 */ |
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100 void CMTPCopyObject::ConstructL() |
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101 { |
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102 |
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103 } |
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104 |
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105 |
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106 /** |
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107 A helper function of CopyObjectL. |
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108 @param aNewFileName the new full filename after copy. |
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109 @return objectHandle of new copy of object. |
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110 */ |
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111 TUint32 CMTPCopyObject::CopyFileL(const TDesC& aNewFileName) |
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112 { |
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113 __FLOG(_L8("CopyFileL - Entry")); |
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114 const TDesC& suid(iObjectInfo->DesC(CMTPObjectMetaData::ESuid)); |
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115 GetPreviousPropertiesL(suid); |
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116 User::LeaveIfError(iFileMan->Copy(suid, *iDest)); |
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117 SetPreviousPropertiesL(aNewFileName); |
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118 |
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119 TUint32 handle = UpdateObjectInfoL(aNewFileName); |
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120 |
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121 __FLOG(_L8("CopyFileL - Exit")); |
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122 |
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123 return handle; |
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124 } |
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125 |
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126 /** |
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127 A helper function of CopyObjectL. |
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128 @param aNewFolderName the new full file folder name after copy. |
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129 @return objecthandle of new copy of the folder. |
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130 */ |
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131 TUint32 CMTPCopyObject::CopyFolderL(const TDesC& aNewFolderName) |
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132 { |
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133 __FLOG(_L8("CopyFolderL - Entry")); |
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134 const TDesC& suid(iObjectInfo->DesC(CMTPObjectMetaData::ESuid)); |
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135 TUint32 handle; |
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136 if (iObjectInfo->Uint(CMTPObjectMetaData::EDataProviderId) == iFramework.DataProviderId()) |
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137 { |
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138 GetPreviousPropertiesL(suid); |
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139 User::LeaveIfError(iFramework.Fs().MkDir(aNewFolderName)); |
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140 SetPreviousPropertiesL(aNewFolderName); |
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141 handle = UpdateObjectInfoL(aNewFolderName); |
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142 } |
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143 else |
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144 { |
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145 handle = iFramework.ObjectMgr().HandleL(aNewFolderName); |
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146 } |
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147 __FLOG(_L8("CopyFolderL - Exit")); |
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148 return handle; |
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149 } |
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150 |
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151 /** |
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152 Copy object operation |
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153 @return the object handle of the resulting object. |
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154 */ |
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155 TMTPResponseCode CMTPCopyObject::CopyObjectL(TUint32& aNewHandle) |
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156 { |
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157 __FLOG(_L8("CopyObjectL - Entry")); |
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158 TMTPResponseCode responseCode = EMTPRespCodeOK; |
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159 aNewHandle = KMTPHandleNone; |
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160 |
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161 GetParametersL(); |
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162 |
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163 RBuf newObjectName; |
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164 newObjectName.CleanupClosePushL(); |
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165 newObjectName.CreateL(KMaxFileName); |
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166 newObjectName = *iDest; |
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167 |
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168 const TDesC& suid(iObjectInfo->DesC(CMTPObjectMetaData::ESuid)); |
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169 TParsePtrC fileNameParser(suid); |
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170 |
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171 // Check if the object is a folder or a file. |
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172 TBool isFolder = EFalse; |
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173 User::LeaveIfError(BaflUtils::IsFolder(iFramework.Fs(), suid, isFolder)); |
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174 |
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175 if(!isFolder) |
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176 { |
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177 if((newObjectName.Length() + fileNameParser.NameAndExt().Length()) <= newObjectName.MaxLength()) |
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178 { |
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179 newObjectName.Append(fileNameParser.NameAndExt()); |
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180 } |
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181 } |
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182 else // It is a folder. |
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183 { |
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184 TFileName rightMostFolderName; |
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185 User::LeaveIfError(BaflUtils::MostSignificantPartOfFullName(suid, rightMostFolderName)); |
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186 if((newObjectName.Length() + rightMostFolderName.Length() + 1) <= newObjectName.MaxLength()) |
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187 { |
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188 newObjectName.Append(rightMostFolderName); |
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189 // Add backslash. |
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190 _LIT(KBackSlash, "\\"); |
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191 newObjectName.Append(KBackSlash); |
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192 } |
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193 } |
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194 responseCode = CanCopyObjectL(suid, newObjectName); |
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195 if(responseCode == EMTPRespCodeOK) |
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196 { |
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197 delete iFileMan; |
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198 iFileMan = NULL; |
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199 iFileMan = CFileMan::NewL(iFramework.Fs()); |
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200 |
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201 if(!isFolder) // It is a file. |
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202 { |
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203 aNewHandle = CopyFileL(newObjectName); |
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204 } |
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205 else // It is a folder. |
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206 { |
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207 aNewHandle = CopyFolderL(newObjectName); |
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208 } |
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209 } |
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210 |
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211 CleanupStack::PopAndDestroy(); // newObjectName. |
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212 __FLOG(_L8("CopyObjectL - Exit")); |
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213 return responseCode; |
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214 } |
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215 |
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216 /** |
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217 Retrieve the parameters of the request |
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218 */ |
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219 void CMTPCopyObject::GetParametersL() |
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220 { |
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221 __FLOG(_L8("GetParametersL - Entry")); |
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222 __ASSERT_DEBUG(iRequestChecker, Panic(EMTPDpRequestCheckNull)); |
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223 |
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224 TUint32 objectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1); |
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225 iStorageId = Request().Uint32(TMTPTypeRequest::ERequestParameter2); |
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226 TUint32 parentObjectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter3); |
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227 |
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228 //not taking owernship |
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229 iObjectInfo = iRequestChecker->GetObjectInfo(objectHandle); |
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230 __ASSERT_DEBUG(iObjectInfo, Panic(EMTPDpObjectNull)); |
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231 |
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232 if(parentObjectHandle == 0) |
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233 { |
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234 SetDefaultParentObjectL(); |
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235 } |
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236 else |
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237 { |
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238 CMTPObjectMetaData* parentObjectInfo = iRequestChecker->GetObjectInfo(parentObjectHandle); |
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239 __ASSERT_DEBUG(parentObjectInfo, Panic(EMTPDpObjectNull)); |
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240 delete iDest; |
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241 iDest = NULL; |
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242 iDest = parentObjectInfo->DesC(CMTPObjectMetaData::ESuid).AllocL(); |
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243 iNewParentHandle = parentObjectHandle; |
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244 } |
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245 __FLOG(_L8("GetParametersL - Exit")); |
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246 } |
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247 |
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248 /** |
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249 Get a default parent object, ff the request does not specify a parent object, |
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250 */ |
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251 void CMTPCopyObject::SetDefaultParentObjectL() |
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252 { |
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253 __FLOG(_L8("SetDefaultParentObjectL - Entry")); |
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254 |
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255 const CMTPStorageMetaData& storageMetaData( iFramework.StorageMgr().StorageL(iStorageId) ); |
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256 const TDesC& driveBuf( storageMetaData.DesC(CMTPStorageMetaData::EStorageSuid) ); |
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257 delete iDest; |
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258 iDest = NULL; |
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259 iDest = driveBuf.AllocL(); |
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260 iNewParentHandle = KMTPHandleNoParent; |
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261 |
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262 __FLOG(_L8("SetDefaultParentObjectL - Exit")); |
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263 } |
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264 |
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265 /** |
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266 Check if we can copy the file to the new location |
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267 */ |
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268 TMTPResponseCode CMTPCopyObject::CanCopyObjectL(const TDesC& aOldName, const TDesC& aNewName) const |
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269 { |
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270 __FLOG(_L8("CanCopyObjectL - Entry")); |
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271 TMTPResponseCode result = EMTPRespCodeOK; |
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272 |
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273 TEntry fileEntry; |
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274 User::LeaveIfError(iFramework.Fs().Entry(aOldName, fileEntry)); |
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275 TInt drive(iFramework.StorageMgr().DriveNumber(iStorageId)); |
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276 User::LeaveIfError(drive); |
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277 TVolumeInfo volumeInfo; |
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278 User::LeaveIfError(iFramework.Fs().Volume(volumeInfo, drive)); |
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279 |
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280 #ifdef SYMBIAN_ENABLE_64_BIT_FILE_SERVER_API |
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281 if(volumeInfo.iFree < fileEntry.FileSize()) |
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282 #else |
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283 if(volumeInfo.iFree < fileEntry.iSize) |
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284 #endif |
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285 { |
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286 result = EMTPRespCodeStoreFull; |
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287 } |
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288 else if (BaflUtils::FileExists(iFramework.Fs(), aNewName)) |
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289 { |
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290 result = EMTPRespCodeInvalidParentObject; |
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291 } |
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292 __FLOG_VA((_L8("CanCopyObjectL - Exit with response code 0x%04X"), result)); |
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293 return result; |
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294 } |
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295 |
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296 /** |
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297 Save the object properties before doing the copy |
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298 */ |
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299 void CMTPCopyObject::GetPreviousPropertiesL(const TDesC& aFileName) |
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300 { |
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301 __FLOG(_L8("GetPreviousPropertiesL - Entry")); |
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302 User::LeaveIfError(iFramework.Fs().Modified(aFileName, iPreviousModifiedTime)); |
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303 __FLOG(_L8("GetPreviousPropertiesL - Exit")); |
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304 } |
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305 |
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306 /** |
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307 Set the object properties after doing the copy |
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308 */ |
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309 void CMTPCopyObject::SetPreviousPropertiesL(const TDesC& aFileName) |
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310 { |
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311 __FLOG(_L8("SetPreviousPropertiesL - Entry")); |
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312 User::LeaveIfError(iFramework.Fs().SetModified(aFileName, iPreviousModifiedTime)); |
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313 __FLOG(_L8("SetPreviousPropertiesL - Exit")); |
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314 } |
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315 |
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316 /** |
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317 Update object info in the database. |
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318 */ |
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319 TUint32 CMTPCopyObject::UpdateObjectInfoL(const TDesC& aNewObjectName) |
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320 { |
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321 __FLOG(_L8("UpdateObjectInfoL - Entry")); |
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322 |
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323 // We should not modify this object's handle, so just get a "copy". |
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324 CMTPObjectMetaData* objectInfo(CMTPObjectMetaData::NewLC()); |
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325 const TMTPTypeUint32 objectHandle(iObjectInfo->Uint(CMTPObjectMetaData::EHandle)); |
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326 if(iFramework.ObjectMgr().ObjectL(objectHandle, *objectInfo)) |
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327 { |
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328 objectInfo->SetDesCL(CMTPObjectMetaData::ESuid, aNewObjectName); |
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329 objectInfo->SetUint(CMTPObjectMetaData::EParentHandle, iNewParentHandle); |
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330 //Modify storage Id. |
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331 objectInfo->SetUint(CMTPObjectMetaData::EStorageId, iStorageId); |
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332 iFramework.ObjectMgr().InsertObjectL(*objectInfo); |
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333 } |
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334 else |
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335 { |
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336 User::Leave(KErrCorrupt); |
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337 } |
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338 TUint32 handle = objectInfo->Uint(CMTPObjectMetaData::EHandle); |
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339 CleanupStack::PopAndDestroy(objectInfo); |
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340 |
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341 __FLOG(_L8("UpdateObjectInfoL - Exit")); |
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342 |
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343 return handle; |
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344 } |