--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpfws/mtpfw/dataproviders/devdp/src/cmtpdevicedpconfigmgr.cpp	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,277 @@
+// Copyright (c) 2006-2009 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 <barsc.h>
+#include <barsread.h>
+
+#include <mtp/mmtpdataproviderconfig.h>
+#include <mtp/mmtpdataproviderframework.h>
+#include <102827af.rsg>
+#include "cmtpdevicedpconfigmgr.h"
+
+enum PanicReason
+{
+CMTPDeviceDpConfigMgrPanic = -1,
+};
+#ifdef _DEBUG
+_LIT(KPanicInvalidInt, "Panic is due to invalid Integer");
+_LIT(KPanicinvalidRssConfigParam, "Panic is due to invalid RSS Config Param");
+#endif 
+
+// Class constants.
+__FLOG_STMT(_LIT8(KComponent,"DeviceDpConfigMgr");)
+
+CMTPDeviceDpConfigMgr* CMTPDeviceDpConfigMgr::NewL(MMTPDataProviderFramework& aFramework)
+	{
+	CMTPDeviceDpConfigMgr* self = new (ELeave) CMTPDeviceDpConfigMgr(aFramework);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+	
+CMTPDeviceDpConfigMgr::CMTPDeviceDpConfigMgr(MMTPDataProviderFramework& aFramework) :
+	iFramework(aFramework)
+	{
+	}
+	
+void CMTPDeviceDpConfigMgr::ConstructL()
+	{
+	__FLOG_OPEN(KMTPSubsystem, KComponent);
+    __FLOG(_L8("ConstructL - Entry"));
+    
+	iResourceId = iFramework.DataProviderConfig().UintValue(MMTPDataProviderConfig::EOpaqueResource);
+	
+	RResourceFile resFile;
+	CleanupClosePushL(resFile);
+	
+	resFile.OpenL(iFramework.Fs(), iFramework.DataProviderConfig().DesCValue(MMTPDataProviderConfig::EResourceFileName));
+	HBufC8* res = resFile.AllocReadLC(iResourceId);
+	
+	TResourceReader reader;
+	reader.SetBuffer(res);
+	
+	// WORD - enumeration_iteration_length
+	iEnumItrLength = reader.ReadInt16();
+	
+	// Do not read exclusion_list to conserve memory
+	// - instead read it in dynamically when requested	
+	CleanupStack::PopAndDestroy(res);
+	CleanupStack::PopAndDestroy(&resFile);
+	
+	__FLOG(_L8("ConstructL - Exit"));
+	}
+	
+CMTPDeviceDpConfigMgr::~CMTPDeviceDpConfigMgr()
+	{
+	__FLOG_CLOSE;
+	}
+	
+#ifdef _DEBUG
+TUint CMTPDeviceDpConfigMgr::UintValueL(TParameter aParam) const
+#else
+TUint CMTPDeviceDpConfigMgr::UintValueL(TParameter /*aParam*/) const
+#endif // _DEBUG
+	{
+	__ASSERT_DEBUG(aParam == CMTPDeviceDpConfigMgr::EEnumerationIterationLength, User::Invariant());
+	return iEnumItrLength;
+	}
+	
+	
+#ifdef _DEBUG
+CDesCArray* CMTPDeviceDpConfigMgr::GetArrayValueL(TParameter aParam) const
+#else
+CDesCArray* CMTPDeviceDpConfigMgr::GetArrayValueL(TParameter /*aParam*/) const
+#endif // _DEBUG
+	{
+	__ASSERT_DEBUG(aParam == CMTPDeviceDpConfigMgr::EFolderExclusionList, User::Invariant());
+	return ReadExclusionListL();
+	}
+
+CDesCArray* CMTPDeviceDpConfigMgr::ReadExclusionListL() const
+	{
+	RResourceFile resFile;
+	CleanupClosePushL(resFile);
+	
+	resFile.OpenL(iFramework.Fs(), iFramework.DataProviderConfig().DesCValue(MMTPDataProviderConfig::EResourceFileName));
+	HBufC8* res = resFile.AllocReadLC(iResourceId);
+	
+	TResourceReader reader;
+	reader.SetBuffer(res);
+	
+	// WORD - enumeration_iteration_length, skip it
+	reader.ReadInt16();
+	
+	// ARRAY - exclusion_list
+	CDesCArrayFlat* exclusionList = reader.ReadDesCArrayL();
+	
+	CleanupStack::PopAndDestroy(res);
+	CleanupStack::PopAndDestroy(&resFile);
+	return exclusionList;
+	}
+
+void CMTPDeviceDpConfigMgr::GetDriveInfoL(TInt aDriveNo, TDes& aVolumeName, TDes& aRootDirPath)
+	{
+	__FLOG(_L8("GetDriveInfoL - Entry"));
+	RResourceFile resFile;
+	resFile.OpenL(iFramework.Fs(), iFramework.DataProviderConfig().DesCValue(MMTPDataProviderConfig::EResourceFileName));
+	CleanupClosePushL(resFile);
+	HBufC8* dataBuffer=resFile.AllocReadLC(DRIVES);
+	
+	TResourceReader reader;
+	reader.SetBuffer(dataBuffer);
+	TInt maxDrives = reader.ReadInt16();
+	__FLOG_VA((_L8("aDriveNo = %d"), aDriveNo));
+	TBool found = EFalse;
+	for(TInt driveIndex = 0; driveIndex < maxDrives; driveIndex++)
+		{
+		TInt driveNumber = reader.ReadInt16();
+		TPtrC volumeName = reader.ReadTPtrC();
+		TPtrC rootDirName = reader.ReadTPtrC();
+
+		if(driveNumber ==  aDriveNo)
+			{
+			found = ETrue;
+			__FLOG_VA((_L8("Found the drive! Drive Number = %d"), driveNumber));
+			if ((KMaxFileName > volumeName.Length()) && 
+			    (KMaxFileName > rootDirName.Length())
+			    )
+				{
+				aVolumeName = volumeName;
+				aRootDirPath = rootDirName;
+				}
+			else
+				{
+				__FLOG(_L8("VolumeName or RootDirName length is more than KMaxFileName"));
+				// volumeName and/or rootDirName specified in resource file is too lengthy.
+				User::Leave(KErrArgument);
+				}			
+			break;
+			}
+		}
+	
+	if (!found)
+		{
+		__FLOG_VA((_L8("No match in resource file for Drive Number = %d"), aDriveNo));
+		// Matching drive number was not found in resource file.
+		User::Leave(KErrNotFound);
+		}
+		
+	CleanupStack::PopAndDestroy(dataBuffer);
+	CleanupStack::PopAndDestroy(&resFile);
+	__FLOG(_L8("GetDriveInfoL - Exit"));
+	}
+
+void CMTPDeviceDpConfigMgr::GetFriendlyVolumeNameL(TInt aDriveNo, TDes& aVolumeName)
+	{
+	__FLOG(_L8("GetFriendlyVolumeNameL - Entry"));
+	RBuf rootDirPath;
+	rootDirPath.CreateL(KMaxFileName);
+	rootDirPath.CleanupClosePushL();
+	GetDriveInfoL(aDriveNo, aVolumeName, rootDirPath);
+	CleanupStack::PopAndDestroy();
+	__FLOG(_L8("GetFriendlyVolumeNameL - Exit"));
+	}
+
+void CMTPDeviceDpConfigMgr::GetRootDirPathL(TInt aDriveNo, TDes& aRootDirPath)
+	{
+	__FLOG(_L8("GetRootDirPathL - Entry"));
+	RBuf volumeName;
+	volumeName.CreateL(KMaxFileName);
+	volumeName.CleanupClosePushL();
+	GetDriveInfoL(aDriveNo, volumeName, aRootDirPath);
+	CleanupStack::PopAndDestroy();
+	__FLOG(_L8("GetRootDirPathL - Exit"));
+	}
+
+/**
+  *This method is to get the ordered format from the rss file
+  *
+  *@param aOrderInfoArray : is an array for storing ordered formats(out param).
+  * 
+  */
+ void CMTPDeviceDpConfigMgr::GetRssConfigInfoArrayL(RArray<TUint>& aOrderInfoArray, TDevDPConfigRSSParams aParam)
+	{
+	__FLOG(_L8("GetOrderedFormatInfo - Entry"));
+	RResourceFile resFile;
+	resFile.OpenL(iFramework.Fs(), iFramework.DataProviderConfig().DesCValue(MMTPDataProviderConfig::EResourceFileName));
+	CleanupClosePushL(resFile);
+	HBufC8* dataBuffer = NULL;
+	
+	switch(aParam)
+		{
+		case EDevDpFormats:
+			dataBuffer = resFile.AllocReadLC(FORMATS);
+		break;
+		
+		case EDevDpExtnUids:
+			dataBuffer = resFile.AllocReadLC(EXTNPLUGINUIDS);
+		break;
+
+		default:			
+			//should not come here raise panic	
+			__ASSERT_DEBUG( 0, User::Panic(KPanicinvalidRssConfigParam, CMTPDeviceDpConfigMgrPanic));				
+		break;	
+		}
+
+	TResourceReader reader;
+	reader.SetBuffer(dataBuffer);
+	TInt noOfElem = reader.ReadInt16();
+	//rewind to the begening else desc array can not read value.
+	reader.Rewind(sizeof(TInt16));
+	if(0 != noOfElem)	
+	{
+	CDesCArrayFlat* formatArray = reader.ReadDesCArrayL();
+	CleanupStack::PushL(formatArray);
+	TInt numFormats = formatArray->Count();
+	TUint formatInt;	
+	TPtrC orderedFormat;
+	TInt errorCode = KErrNotFound;	
+	for(TInt formtIndex = 0; formtIndex < numFormats; formtIndex++)
+		{
+		orderedFormat.Set(formatArray->MdcaPoint(formtIndex));
+		TLex lex(orderedFormat);
+		errorCode = lex.Val(formatInt, EHex);		
+		//panic in debug mode invalid string is provaided
+		__ASSERT_DEBUG((errorCode == KErrNone), User::Panic(KPanicInvalidInt, CMTPDeviceDpConfigMgrPanic));
+
+		if(errorCode )
+			{
+			 __FLOG(_L8("ERROR !!!Invalid entry in the config.rss file "));
+			}
+		else
+			{
+			//Ignore the duplicate value.
+			if( aOrderInfoArray.Find(formatInt) == KErrNotFound )
+				{
+				aOrderInfoArray.Append(formatInt);
+				}
+			}
+		}
+	CleanupStack::PopAndDestroy(formatArray);
+	CleanupStack::PopAndDestroy(dataBuffer);
+	CleanupStack::PopAndDestroy(&resFile);
+
+	}
+	else
+	{
+	CleanupStack::PopAndDestroy(dataBuffer);
+	CleanupStack::PopAndDestroy(&resFile);	
+	User::Leave(KErrArgument);	
+	}
+
+	__FLOG(_L8("GetOrderedFormatInfo -  Exit"));
+	}
+