/*

* Copyright (c) 2004 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:  Map command buffering

*

*/

// INCLUDE FILES

#include <nsmlconstants.h>

#include "nsmldsmapcontainer.h"

// <MAPINFO_RESEND_MOD_BEGIN>

#include <nsmldebug.h>

// <MAPINFO_RESEND_MOD_END>

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CNSmlDSMapContainer::CMapItem::~CMapItem

// Destructor.

// -----------------------------------------------------------------------------

//

CNSmlDSMapContainer::CMapItem::~CMapItem()

	{

	delete iGlobalUid;

	}

// -----------------------------------------------------------------------------

// CNSmlDSMapContainer::CNSmlDSMapContainer

// C++ default constructor.

// -----------------------------------------------------------------------------

//

CNSmlDSMapContainer::CNSmlDSMapContainer()

	{

// <MAPINFO_RESEND_MOD_BEGIN>

	setAppendToStore( EFalse );

	iMapRemovable = EFalse;

// <MAPINFO_RESEND_MOD_END>

	}

// -----------------------------------------------------------------------------

// CNSmlDSMapContainer::~CNSmlDSMapContainer

// Destructor.

// -----------------------------------------------------------------------------

//

CNSmlDSMapContainer::~CNSmlDSMapContainer()

	{

	iMapItemList.ResetAndDestroy();

	}

// -----------------------------------------------------------------------------

// CNSmlDSMapContainer::NewL

// Two-phased constructor.

// -----------------------------------------------------------------------------

//

CNSmlDSMapContainer* CNSmlDSMapContainer::NewL()

	{

	CNSmlDSMapContainer* self = new ( ELeave ) CNSmlDSMapContainer;

	return self;

	}

// -----------------------------------------------------------------------------

// CNSmlDSMapContainer::MapListExists

// Checks whether the map list exists.

// -----------------------------------------------------------------------------

//

TBool CNSmlDSMapContainer::MapListExists() const

	{

	if ( iMapItemList.Count() == 0 )

		{

		return EFalse;

		}

	for ( TInt i = 0; i < iMapItemList.Count(); i++ )

		{

		if ( !iMapItemList[i]->iAlreadySent )

			{

			return ETrue;

			}

		}

	return EFalse;

	}

// -----------------------------------------------------------------------------

// CNSmlDSMapContainer::CreateNewMapItemL

// Creates new map item to the list.

// -----------------------------------------------------------------------------

//

void CNSmlDSMapContainer::CreateNewMapItemL( const TSmlDbItemUid aLocalUid, const TDesC8& aGlobalUid, const TInt aAtomicId )

	{

	CMapItem* item = new ( ELeave ) CMapItem;

	CleanupStack::PushL( item );

	item->iAlreadySent = EFalse;

	item->iAtomicId = aAtomicId;

	item->iGlobalUid = aGlobalUid.AllocL();

	item->iLocalUid = aLocalUid;

// <MAPINFO_RESEND_MOD_BEGIN>

	if( !MapListExists() )

		{

		iMapRemovable = EFalse;	

		}

// <MAPINFO_RESEND_MOD_BEGIN>

	iMapItemList.AppendL( item );

	CleanupStack::Pop(); // item

	}

// -----------------------------------------------------------------------------

// CNSmlDSMapContainer::RemoveFailedAtomics

// Removes those map items that were executed under a failed atomic command.

// -----------------------------------------------------------------------------

//

void CNSmlDSMapContainer::RemoveFailedAtomics( const TInt aAtomicId )

	{

	for ( TInt i = 0; i < iMapItemList.Count(); )

		{

		if ( iMapItemList[i]->iAtomicId == aAtomicId )

			{

			delete iMapItemList[i];

			iMapItemList.Remove( i );

			}

		else

			{

			++i;

			}

		}

	iMapItemList.Compress();

	}

// -----------------------------------------------------------------------------

// CNSmlDSMapContainer::MapItemList

// Returns the map item list, ownership is changed to a caller. 

// -----------------------------------------------------------------------------

//

SmlMapItemList_t* CNSmlDSMapContainer::MapItemListL()

	{

	SmlMapItemList_t* mapItemList( NULL );

	SmlMapItemList_t* mapItemListLast( NULL );

	for ( TInt i = 0; i < iMapItemList.Count(); i++ )

		{

		if ( iMapItemList[i]->iAlreadySent )

			{

			continue;

			}

		TBuf8<16> localUid;

		localUid.Num( iMapItemList[i]->iLocalUid );

		if ( !mapItemList )	

			{

			mapItemList = new ( ELeave ) SmlMapItemList_t;

			mapItemListLast = mapItemList;

			}

		else

			{

			mapItemListLast->next = new ( ELeave ) SmlMapItemList_t;

			mapItemListLast = mapItemListLast->next;

			}

		mapItemListLast->next = NULL;

		mapItemListLast->mapItem = new( ELeave ) SmlMapItem_t;

		mapItemListLast->mapItem->target = new( ELeave ) SmlTarget_t;

		mapItemListLast->mapItem->target->locName = NULL;

		PcdataNewL( mapItemListLast->mapItem->target->locURI, *iMapItemList[i]->iGlobalUid );

		mapItemListLast->mapItem->source = new( ELeave ) SmlSource_t;

		mapItemListLast->mapItem->source->locName = NULL;

		PcdataNewL( mapItemListLast->mapItem->source->locURI, localUid );

		}

	return mapItemList;

	}

// -----------------------------------------------------------------------------

// CNSmlDSMapContainer::SetMapItemList

// Sets the map item list, ownership is changed to this class.

// -----------------------------------------------------------------------------

//

void CNSmlDSMapContainer::SetMapItemList( SmlMapItemList_t* aMapItemList )

	{

// <MAPINFO_RESEND_MOD_BEGIN>

	iMapRemovable = EFalse;

// <MAPINFO_RESEND_MOD_END>

	delete aMapItemList;

	}

// -----------------------------------------------------------------------------

// CNSmlDSMapContainer::PcdataNewL

// Creates a new Pcdata element.

// -----------------------------------------------------------------------------

//

void CNSmlDSMapContainer::PcdataNewL( SmlPcdata_t*& aPcdata, const TDesC8& aContent ) const

	{

	aPcdata = new( ELeave ) SmlPcdata_t;

	aPcdata->SetDataL( aContent );

	aPcdata->contentType = SML_PCDATA_OPAQUE;   

	aPcdata->extension = SML_EXT_UNDEFINED; 	

	}

// -----------------------------------------------------------------------------

// CNSmlDSMapContainer::MapSourceParent

// Maps a SourceParent to an existing LUID.

// -----------------------------------------------------------------------------

//

TBool CNSmlDSMapContainer::MapSourceParent( const TDesC8& aSourceParent, TSmlDbItemUid& aUid ) const

	{

	for ( TInt i = 0; i < iMapItemList.Count(); i++ )

		{

		if ( *iMapItemList[i]->iGlobalUid == aSourceParent )

			{

			aUid = iMapItemList[i]->iLocalUid;

			return ETrue;

			}

		}

	return EFalse;

	}

// -----------------------------------------------------------------------------

// CNSmlDSMapContainer::MarkAllItemsSent

// Marks all items as sent.

// -----------------------------------------------------------------------------

//

void CNSmlDSMapContainer::MarkAllItemsSent()

	{

	for ( TInt i = 0; i < iMapItemList.Count(); i++ )

		{

		iMapItemList[i]->iAlreadySent = ETrue;

		}

	}

// <MAPINFO_RESEND_MOD_BEGIN>

// ------------------------------------------------------------------------------------------------

//CNSmlDSMapContainer::ExternalizeL

///To externalize the map information

// ------------------------------------------------------------------------------------------------

void CNSmlDSMapContainer::ExternalizeL( RWriteStream& aStream ) const

	{

	DBG_FILE(_S8("CNSmlDSMapContainer::ExternalizeL(): begin"));

	if( !isAppendToStore() )

		{

		TPckgBuf<TTime> anchor( iMapAnchor );

		aStream << anchor;

		}

	aStream.WriteInt8L(iMapItemList.Count());

	for( int i = 0 ; i < iMapItemList.Count() ; i++ )

		{

		if( !iMapItemList[i]->iLocalUid != NULL && iMapItemList[i]->iGlobalUid != NULL )

			{

			break;

			}

		TNSmlMapInfoItem mapItem( iMapItemList[i]->iLocalUid, *iMapItemList[i]->iGlobalUid, iMapItemList[i]->iAtomicId );

		TInt err;

		TRAP( err, aStream << mapItem );

		DBG_FILE_CODE( err, _S8("CNSmlDSMapContainer::ExternalizeL(): Item externalized!"));

		}

	DBG_FILE(_S8("CNSmlDSMapContainer::ExternalizeL(): end"));

	}

// ------------------------------------------------------------------------------------------------

//CNSmlDSMapContainer::InternalizeL

///To internalize the map information

// ------------------------------------------------------------------------------------------------

void CNSmlDSMapContainer::InternalizeL( RReadStream& aStream )

	{

	DBG_FILE(_S8("CNSmlDSMapContainer::InternalizeL(): begin"));

	TPckgBuf<TTime> lastMapAnchor;

	TRAPD( er, aStream >> lastMapAnchor );

	TInt count = 0;

	TInt8 mapItemCount = 0;

	if( er != KErrEof )

		{		

		TRAP( er, mapItemCount = aStream.ReadInt8L(); );

		}

	if( er != KErrEof )

		{

		setMapAnchor( lastMapAnchor() );

		if( mapItemCount > 0 )

			{

			iMapRemovable = EFalse;

			for( int i = 0; i < mapItemCount; i++ )

				{

				TNSmlMapInfoItem mapItem;

				TRAPD( er1, aStream >> mapItem );

				if( er1 == KErrEof )

					break;

				if( mapItem.iLUId != 0 && mapItem.iGUId.Length() != 0 )

					{

					CreateNewMapItemL( mapItem.iLUId, mapItem.iGUId, mapItem.iAtomicId );

					count++;

					}

				}

			}

		}

	DBG_FILE(_S8("CNSmlDSMapContainer::InternalizeL(): end"));

	}

// ------------------------------------------------------------------------------------------------

//CNSmlDSMapContainer::MapItemListSize

//To Retrieve the number of map items present in the map list

//-------------------------------------------------------------------------------------------------

TInt CNSmlDSMapContainer::MapItemListSize() const

	{

	return iMapItemList.Count();

	}

// ------------------------------------------------------------------------------------------------

//CNSmlDSMapContainer::setMapAnchor

//To set the time stamp of the map list items, for any Time comparisions required

// ------------------------------------------------------------------------------------------------

void CNSmlDSMapContainer::setMapAnchor(TTime aMapAnchor)

	{

	iMapAnchor=aMapAnchor;

	}

// ------------------------------------------------------------------------------------------------

//CNSmlDSMapContainer::getMapAnchor

//To get the time stamp of the last map list items externalized, for any Time comparisions required

// ------------------------------------------------------------------------------------------------

TTime CNSmlDSMapContainer::getMapAnchor()

	{

	return iMapAnchor;

	}

// ------------------------------------------------------------------------------------------------

//CNSmlDSMapContainer::isAppendToStore

//To check if the map store has to be overwritten or the new map items to be appended to the existing map store

// ------------------------------------------------------------------------------------------------

TBool CNSmlDSMapContainer::isAppendToStore() const

	{

	return iAppendToStore;

	}

// ------------------------------------------------------------------------------------------------

//CNSmlDSMapContainer::isAppendToStore

//To set the flag fro the map store for over writing or to appended the new map items to the existing map store

// ------------------------------------------------------------------------------------------------

void CNSmlDSMapContainer::setAppendToStore(TBool aAppend)

	{

	iAppendToStore = aAppend;

	}

// ------------------------------------------------------------------------------------------------

//CNSmlDSMapContainer::setRemoveMap()

// To Delay the removal of map information from the cache and to remove at a later stage by using isMapRemovable

// ---------------------------------------------------------

void CNSmlDSMapContainer::setRemoveMap(TBool aRemoveMap)

	{

	iMapRemovable = aRemoveMap;

	}

// ------------------------------------------------------------------------------------------------

//CNSmlDSMapContainer::isMapRemovable()

// To check if map information can be removed from the cache.

// ---------------------------------------------------------

TBool CNSmlDSMapContainer::isMapRemovable()

	{

	return iMapRemovable;

	}

// ------------------------------------------------------------------------------------------------

//TNSmlMapInfoItem::ExternalizeL

///To externalize a map item

// ------------------------------------------------------------------------------------------------

void TNSmlMapInfoItem::ExternalizeL(RWriteStream& aStream) const

	{

	aStream.WriteInt16L(iLUId);

	aStream << iGUId;

	aStream.WriteInt8L(iAtomicId);

	}

// ------------------------------------------------------------------------------------------------

//TNSmlMapInfoItem::InternalizeL

///To internalize a map item

// ------------------------------------------------------------------------------------------------

void TNSmlMapInfoItem::InternalizeL(RReadStream& aStream)

	{

	iLUId = aStream.ReadInt16L();

	aStream >> iGUId;

	iAtomicId = aStream.ReadInt8L();

	}

// ------------------------------------------------------------------------------------------------

//TNSmlMapInfoItem::TNSmlMapInfoItem

///Map item constructor

// ------------------------------------------------------------------------------------------------

TNSmlMapInfoItem::TNSmlMapInfoItem()

	{

	iLUId = 0;

	iGUId.Zero();

	iAtomicId = 0;

	}

// ------------------------------------------------------------------------------------------------

//TNSmlMapInfoItem::TNSmlMapInfoItem

///Map item overloaded constructor

// ------------------------------------------------------------------------------------------------

TNSmlMapInfoItem::TNSmlMapInfoItem( const TSmlDbItemUid aLUId, const TDesC8& aGUId, const TInt aAtomicId )

	{

	iLUId = aLUId;

	iGUId = aGUId;

	iAtomicId = aAtomicId;

	}

// ------------------------------------------------------------------------------------------------

//TNSmlMapInfoItem::TNSmlMapInfoItem

///Map item copy constructor

// ------------------------------------------------------------------------------------------------

TNSmlMapInfoItem::TNSmlMapInfoItem( const TNSmlMapInfoItem& aItem )

	{

	iLUId = aItem.iLUId;

	iGUId = aItem.iGUId;

	iAtomicId = aItem.iAtomicId;

	}

// ------------------------------------------------------------------------------------------------

// <MAPINFO_RESEND_MOD_END>

// End of File