--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/xSPExtensionManager/src/xSPOrderOrganizer.cpp	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,239 @@
+/*
+* Copyright (c) 2006 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: 
+*       xSP order organizer
+*
+*/
+
+
+// INCLUDE FILES
+#include <coemain.h>
+#include <s32file.h>
+#include "xSPOrderOrganizer.h"
+#include "CxSPViewInfo.h"
+#include "MxSPFactory.h"
+
+// CONSTANTS
+namespace
+	{
+	_LIT( KExtOrderFile, "xSPorder.dat" );
+	}
+
+// ==================== MEMBER FUNCTIONS ====================
+
+void TxSPOrderUnit::ExternalizeL( RWriteStream& aStream ) const
+	{
+	aStream.WriteUint32L( iId );
+	aStream.WriteUint32L( iViewId );
+	}
+
+void TxSPOrderUnit::InternalizeL( RReadStream& aStream )
+	{
+	iId = aStream.ReadUint32L();
+	iViewId = aStream.ReadUint32L();
+	}	
+
+TInt xSPOrderOrganizer::CreatePrivateFolder( RFs& aSession, 
+												TDes& aPath, 
+												TDriveNumber aDrive )
+	{
+	_LIT( KColon, ":" );
+	TChar drive;
+	TInt err = aSession.DriveToChar( aDrive, drive );							
+	if( !err )
+		{
+		err = aSession.CreatePrivatePath( aDrive );
+		if( !err )
+			{
+			TFileName path;			
+			aSession.PrivatePath( path );
+			aPath.Zero();
+			aPath.Append( drive );
+			aPath.Append( KColon );
+			aPath.Append( path );														
+			}		
+		}	
+	return err;
+	}
+	
+TInt xSPOrderOrganizer::OrderCheck( RPointerArray<CxSPViewInfo>& aViewIdMap )
+	{
+	TInt result( KErrNone );		
+	TRAP( result, OrderCheckL( aViewIdMap ) );
+	if( result )
+		{
+		// error occured, as a preventive procedure delete the
+		// order file, deletion error code is ignored
+		DeleteOrderFile();
+		}				
+	return result;	
+	}
+	
+TInt xSPOrderOrganizer::Reorganize( const RArray<TxSPOrderUnit>& aNewOrder )
+	{
+	TInt result( KErrNone );
+	TRAP( result, WriteOrderL( aNewOrder ) );
+	if( result )
+		{
+		// error occured, as a preventive procedure delete the
+		// order file, deletion error code is ignored
+		DeleteOrderFile();
+		}
+	return result;
+	}
+	
+void xSPOrderOrganizer::OrderCheckL( RPointerArray<CxSPViewInfo>& aViewIdMap )
+	{
+	RArray<TxSPOrderUnit> newOrder;
+	CleanupClosePushL( newOrder );
+	MakeNewOrderL( aViewIdMap, newOrder );
+	WriteOrderL( newOrder );
+	RearrangeExtensionsL( aViewIdMap, newOrder );
+	CleanupStack::PopAndDestroy(); // newOrder
+	}	
+
+void xSPOrderOrganizer::MakeNewOrderL( RPointerArray<CxSPViewInfo>& aViewIdMap, 
+											RArray<TxSPOrderUnit>& aNewOrder )
+	{
+	// read extOrder array from file
+	RFs& fs = CCoeEnv::Static()->FsSession();
+	TFileName orderFile;
+	User::LeaveIfError( CreatePrivateFolder( fs, orderFile, EDriveC ) );
+	orderFile.Append( KExtOrderFile );	
+	RFileReadStream readStream;
+	TInt err = readStream.Open( fs, orderFile, EFileRead );
+	if( !err )
+		{
+		CleanupClosePushL( readStream );
+		TUint32 count = readStream.ReadUint32L();
+		for( TUint32 i = 0; i < count; i++ )
+			{
+			TxSPOrderUnit next;
+			readStream >> next;
+			User::LeaveIfError( aNewOrder.Append( next ));
+			}
+		CleanupStack::PopAndDestroy(); // readStream
+		}
+			
+	// add new installed extensions to aNewOrder array
+	for( TInt i = 0; i < aViewIdMap.Count(); i++ )
+		{
+		const CxSPViewInfo& viewInfo = *aViewIdMap[i];
+		if( viewInfo.TabView() )
+			{
+			TBool found( EFalse );
+			for( TInt j = 0; j < aNewOrder.Count() && !found; j++ )
+				{
+				if( viewInfo.Id() == aNewOrder[j].iId &&
+					viewInfo.OldViewId() == aNewOrder[j].iViewId )
+					{					
+					found = ETrue;
+					}
+				}
+			if( !found )
+				{
+				TxSPOrderUnit next;
+				next.iId = viewInfo.Id();
+				next.iViewId = viewInfo.OldViewId();
+				User::LeaveIfError( aNewOrder.Append( next ) );
+				}
+			}		
+		}
+		
+	// remove uninstalled extensions from aNewOrder array
+	for( TInt i = 0; i < aNewOrder.Count();  )
+		{
+		TxSPOrderUnit next = aNewOrder[i];
+		TBool found( EFalse );
+		for( TInt j = 0; j < aViewIdMap.Count() && !found; j++ )
+			{
+			const CxSPViewInfo& viewInfo = *aViewIdMap[j];
+			if( viewInfo.Id() == next.iId && viewInfo.OldViewId() == next.iViewId )
+				{
+				found = ETrue;
+				}			
+			}
+		if( found )
+			{
+			i++;
+			}
+		else
+			{
+			aNewOrder.Remove( i );
+			}
+		}								
+	}
+	
+void xSPOrderOrganizer::WriteOrderL( const RArray<TxSPOrderUnit>& aNewOrder )
+	{	
+	RFs& fs = CCoeEnv::Static()->FsSession();
+	TFileName orderFile;
+	User::LeaveIfError( CreatePrivateFolder( fs, orderFile, EDriveC ) );
+	orderFile.Append( KExtOrderFile );	
+	// write aNewOrder array to file
+	RFileWriteStream writeStream;
+	TInt err = writeStream.Replace( fs, orderFile, EFileWrite );
+	if( !err )
+		{
+		CleanupClosePushL( writeStream );
+		TUint32 count = aNewOrder.Count();
+		writeStream.WriteUint32L( count );
+		for( TUint32 i = 0; i < count; i++ )
+			{
+			writeStream << aNewOrder[i]; 
+			}		
+		CleanupStack::PopAndDestroy(); // writeStream
+		}		
+	}
+	
+void xSPOrderOrganizer::RearrangeExtensionsL( RPointerArray<CxSPViewInfo>& aViewIdMap,
+    											const RArray<TxSPOrderUnit>& aNewOrder )
+	{
+	// organize extension order
+	for( TInt i = 0; i < aNewOrder.Count(); i++ )
+		{
+		TxSPOrderUnit next = aNewOrder[i];
+		for( TInt j = 0; j < aViewIdMap.Count(); j++ )
+			{
+			const CxSPViewInfo* viewInfo = aViewIdMap[j];
+			if( next.iId == viewInfo->Id() &&
+				next.iViewId == viewInfo->OldViewId() )
+				{
+				aViewIdMap.Remove( j );
+				aViewIdMap.Compress();
+				aViewIdMap.InsertL( viewInfo, i );
+				}							
+			}
+		}
+	}
+	
+TInt xSPOrderOrganizer::DeleteOrderFile()
+	{
+	TInt result( KErrNone );
+	TFileName orderFile;
+	RFs& fs = CCoeEnv::Static()->FsSession();
+	TInt err = CreatePrivateFolder( fs, orderFile, EDriveC );
+	if( !err )
+		{
+		orderFile.Append( KExtOrderFile );
+		result = fs.Delete( orderFile );							
+		}
+	else
+		{
+		result = err;
+		}			
+	return result;
+	}
+
+// end of file