--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpfws/mtpfw/dataproviders/dputility/src/cmtpcopyobject.cpp Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,344 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include <f32file.h>
+#include <bautils.h>
+
+#include <mtp/mmtpdataproviderframework.h>
+#include <mtp/mmtpobjectmgr.h>
+#include <mtp/mmtpstoragemgr.h>
+#include <mtp/cmtpobjectmetadata.h>
+#include <mtp/cmtptypearray.h>
+#include <mtp/cmtptypestring.h>
+
+#include "cmtpcopyobject.h"
+#include "mtpdppanic.h"
+
+__FLOG_STMT(_LIT8(KComponent,"CopyObject");)
+
+/**
+Verification data for the CopyObject request
+*/
+const TMTPRequestElementInfo KMTPCopyObjectPolicy[] =
+ {
+ {TMTPTypeRequest::ERequestParameter1, EMTPElementTypeObjectHandle, EMTPElementAttrFileOrDir, 0, 0, 0},
+ {TMTPTypeRequest::ERequestParameter2, EMTPElementTypeStorageId, EMTPElementAttrWrite, 0, 0, 0},
+ {TMTPTypeRequest::ERequestParameter3, EMTPElementTypeObjectHandle, EMTPElementAttrDir | EMTPElementAttrWrite, 1, 0, 0}
+ };
+
+/**
+Two-phase construction method
+@param aPlugin The data provider plugin
+@param aFramework The data provider framework
+@param aConnection The connection from which the request comes
+@return a pointer to the created request processor object
+*/
+EXPORT_C MMTPRequestProcessor* CMTPCopyObject::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection)
+ {
+ CMTPCopyObject* self = new (ELeave) CMTPCopyObject(aFramework, aConnection);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+
+/**
+Destructor
+*/
+EXPORT_C CMTPCopyObject::~CMTPCopyObject()
+ {
+ delete iDest;
+ delete iFileMan;
+
+ __FLOG_CLOSE;
+ }
+
+/**
+Standard c++ constructor
+*/
+CMTPCopyObject::CMTPCopyObject(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection) :
+ CMTPRequestProcessor(aFramework, aConnection, sizeof(KMTPCopyObjectPolicy)/sizeof(TMTPRequestElementInfo), KMTPCopyObjectPolicy)
+ {
+ __FLOG_OPEN(KMTPSubsystem, KComponent);
+ }
+
+
+/**
+CopyObject request handler
+*/
+void CMTPCopyObject::ServiceL()
+ {
+ TUint32 handle = KMTPHandleNone;
+ TMTPResponseCode responseCode = CopyObjectL(handle);
+ if(responseCode == EMTPRespCodeOK)
+ {
+ SendResponseL(EMTPRespCodeOK, 1, &handle);
+ }
+ else
+ {
+ SendResponseL(responseCode);
+ }
+ }
+
+
+/**
+ Second phase constructor
+*/
+void CMTPCopyObject::ConstructL()
+ {
+
+ }
+
+
+/**
+A helper function of CopyObjectL.
+@param aNewFileName the new full filename after copy.
+@return objectHandle of new copy of object.
+*/
+TUint32 CMTPCopyObject::CopyFileL(const TDesC& aNewFileName)
+ {
+ __FLOG(_L8("CopyFileL - Entry"));
+ const TDesC& suid(iObjectInfo->DesC(CMTPObjectMetaData::ESuid));
+ GetPreviousPropertiesL(suid);
+ User::LeaveIfError(iFileMan->Copy(suid, *iDest));
+ SetPreviousPropertiesL(aNewFileName);
+
+ TUint32 handle = UpdateObjectInfoL(aNewFileName);
+
+ __FLOG(_L8("CopyFileL - Exit"));
+
+ return handle;
+ }
+
+/**
+A helper function of CopyObjectL.
+@param aNewFolderName the new full file folder name after copy.
+@return objecthandle of new copy of the folder.
+*/
+TUint32 CMTPCopyObject::CopyFolderL(const TDesC& aNewFolderName)
+ {
+ __FLOG(_L8("CopyFolderL - Entry"));
+ const TDesC& suid(iObjectInfo->DesC(CMTPObjectMetaData::ESuid));
+ TUint32 handle;
+ if (iObjectInfo->Uint(CMTPObjectMetaData::EDataProviderId) == iFramework.DataProviderId())
+ {
+ GetPreviousPropertiesL(suid);
+ User::LeaveIfError(iFramework.Fs().MkDir(aNewFolderName));
+ SetPreviousPropertiesL(aNewFolderName);
+ handle = UpdateObjectInfoL(aNewFolderName);
+ }
+ else
+ {
+ handle = iFramework.ObjectMgr().HandleL(aNewFolderName);
+ }
+ __FLOG(_L8("CopyFolderL - Exit"));
+ return handle;
+ }
+
+/**
+Copy object operation
+@return the object handle of the resulting object.
+*/
+TMTPResponseCode CMTPCopyObject::CopyObjectL(TUint32& aNewHandle)
+ {
+ __FLOG(_L8("CopyObjectL - Entry"));
+ TMTPResponseCode responseCode = EMTPRespCodeOK;
+ aNewHandle = KMTPHandleNone;
+
+ GetParametersL();
+
+ RBuf newObjectName;
+ newObjectName.CleanupClosePushL();
+ newObjectName.CreateL(KMaxFileName);
+ newObjectName = *iDest;
+
+ const TDesC& suid(iObjectInfo->DesC(CMTPObjectMetaData::ESuid));
+ TParsePtrC fileNameParser(suid);
+
+ // Check if the object is a folder or a file.
+ TBool isFolder = EFalse;
+ User::LeaveIfError(BaflUtils::IsFolder(iFramework.Fs(), suid, isFolder));
+
+ if(!isFolder)
+ {
+ if((newObjectName.Length() + fileNameParser.NameAndExt().Length()) <= newObjectName.MaxLength())
+ {
+ newObjectName.Append(fileNameParser.NameAndExt());
+ }
+ }
+ else // It is a folder.
+ {
+ TFileName rightMostFolderName;
+ User::LeaveIfError(BaflUtils::MostSignificantPartOfFullName(suid, rightMostFolderName));
+ if((newObjectName.Length() + rightMostFolderName.Length() + 1) <= newObjectName.MaxLength())
+ {
+ newObjectName.Append(rightMostFolderName);
+ // Add backslash.
+ _LIT(KBackSlash, "\\");
+ newObjectName.Append(KBackSlash);
+ }
+ }
+ responseCode = CanCopyObjectL(suid, newObjectName);
+ if(responseCode == EMTPRespCodeOK)
+ {
+ delete iFileMan;
+ iFileMan = NULL;
+ iFileMan = CFileMan::NewL(iFramework.Fs());
+
+ if(!isFolder) // It is a file.
+ {
+ aNewHandle = CopyFileL(newObjectName);
+ }
+ else // It is a folder.
+ {
+ aNewHandle = CopyFolderL(newObjectName);
+ }
+ }
+
+ CleanupStack::PopAndDestroy(); // newObjectName.
+ __FLOG(_L8("CopyObjectL - Exit"));
+ return responseCode;
+ }
+
+/**
+Retrieve the parameters of the request
+*/
+void CMTPCopyObject::GetParametersL()
+ {
+ __FLOG(_L8("GetParametersL - Entry"));
+ __ASSERT_DEBUG(iRequestChecker, Panic(EMTPDpRequestCheckNull));
+
+ TUint32 objectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1);
+ iStorageId = Request().Uint32(TMTPTypeRequest::ERequestParameter2);
+ TUint32 parentObjectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter3);
+
+ //not taking owernship
+ iObjectInfo = iRequestChecker->GetObjectInfo(objectHandle);
+ __ASSERT_DEBUG(iObjectInfo, Panic(EMTPDpObjectNull));
+
+ if(parentObjectHandle == 0)
+ {
+ SetDefaultParentObjectL();
+ }
+ else
+ {
+ CMTPObjectMetaData* parentObjectInfo = iRequestChecker->GetObjectInfo(parentObjectHandle);
+ __ASSERT_DEBUG(parentObjectInfo, Panic(EMTPDpObjectNull));
+ delete iDest;
+ iDest = NULL;
+ iDest = parentObjectInfo->DesC(CMTPObjectMetaData::ESuid).AllocL();
+ iNewParentHandle = parentObjectHandle;
+ }
+ __FLOG(_L8("GetParametersL - Exit"));
+ }
+
+/**
+Get a default parent object, ff the request does not specify a parent object,
+*/
+void CMTPCopyObject::SetDefaultParentObjectL()
+ {
+ __FLOG(_L8("SetDefaultParentObjectL - Entry"));
+
+ const CMTPStorageMetaData& storageMetaData( iFramework.StorageMgr().StorageL(iStorageId) );
+ const TDesC& driveBuf( storageMetaData.DesC(CMTPStorageMetaData::EStorageSuid) );
+ delete iDest;
+ iDest = NULL;
+ iDest = driveBuf.AllocL();
+ iNewParentHandle = KMTPHandleNoParent;
+
+ __FLOG(_L8("SetDefaultParentObjectL - Exit"));
+ }
+
+/**
+Check if we can copy the file to the new location
+*/
+TMTPResponseCode CMTPCopyObject::CanCopyObjectL(const TDesC& aOldName, const TDesC& aNewName) const
+ {
+ __FLOG(_L8("CanCopyObjectL - Entry"));
+ TMTPResponseCode result = EMTPRespCodeOK;
+
+ TEntry fileEntry;
+ User::LeaveIfError(iFramework.Fs().Entry(aOldName, fileEntry));
+ TInt drive(iFramework.StorageMgr().DriveNumber(iStorageId));
+ User::LeaveIfError(drive);
+ TVolumeInfo volumeInfo;
+ User::LeaveIfError(iFramework.Fs().Volume(volumeInfo, drive));
+
+#ifdef SYMBIAN_ENABLE_64_BIT_FILE_SERVER_API
+ if(volumeInfo.iFree < fileEntry.FileSize())
+#else
+ if(volumeInfo.iFree < fileEntry.iSize)
+#endif
+ {
+ result = EMTPRespCodeStoreFull;
+ }
+ else if (BaflUtils::FileExists(iFramework.Fs(), aNewName))
+ {
+ result = EMTPRespCodeInvalidParentObject;
+ }
+ __FLOG_VA((_L8("CanCopyObjectL - Exit with response code 0x%04X"), result));
+ return result;
+ }
+
+/**
+Save the object properties before doing the copy
+*/
+void CMTPCopyObject::GetPreviousPropertiesL(const TDesC& aFileName)
+ {
+ __FLOG(_L8("GetPreviousPropertiesL - Entry"));
+ User::LeaveIfError(iFramework.Fs().Modified(aFileName, iPreviousModifiedTime));
+ __FLOG(_L8("GetPreviousPropertiesL - Exit"));
+ }
+
+/**
+Set the object properties after doing the copy
+*/
+void CMTPCopyObject::SetPreviousPropertiesL(const TDesC& aFileName)
+ {
+ __FLOG(_L8("SetPreviousPropertiesL - Entry"));
+ User::LeaveIfError(iFramework.Fs().SetModified(aFileName, iPreviousModifiedTime));
+ __FLOG(_L8("SetPreviousPropertiesL - Exit"));
+ }
+
+/**
+ Update object info in the database.
+*/
+TUint32 CMTPCopyObject::UpdateObjectInfoL(const TDesC& aNewObjectName)
+ {
+ __FLOG(_L8("UpdateObjectInfoL - Entry"));
+
+ // We should not modify this object's handle, so just get a "copy".
+ CMTPObjectMetaData* objectInfo(CMTPObjectMetaData::NewLC());
+ const TMTPTypeUint32 objectHandle(iObjectInfo->Uint(CMTPObjectMetaData::EHandle));
+ if(iFramework.ObjectMgr().ObjectL(objectHandle, *objectInfo))
+ {
+ objectInfo->SetDesCL(CMTPObjectMetaData::ESuid, aNewObjectName);
+ objectInfo->SetUint(CMTPObjectMetaData::EParentHandle, iNewParentHandle);
+ //Modify storage Id.
+ objectInfo->SetUint(CMTPObjectMetaData::EStorageId, iStorageId);
+ iFramework.ObjectMgr().InsertObjectL(*objectInfo);
+ }
+ else
+ {
+ User::Leave(KErrCorrupt);
+ }
+ TUint32 handle = objectInfo->Uint(CMTPObjectMetaData::EHandle);
+ CleanupStack::PopAndDestroy(objectInfo);
+
+ __FLOG(_L8("UpdateObjectInfoL - Exit"));
+
+ return handle;
+ }