--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/locationmanager/locationtrail/src/locationremappingao.cpp	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,403 @@
+/*
+* 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:  Remap location data to location objects*
+*/
+
+#include "locationremappingao.h"
+#include "mdequery.h"
+#include "mdccommon.h"
+#include "mdeconstants.h"
+#include "mdenamespacedef.h"
+#include "mdeobjectdef.h" 
+#include "mdeobjectquery.h"
+
+using namespace MdeConstants;
+
+CLocationRemappingAO* CLocationRemappingAO::NewL()
+	{
+	LOG( "CLocationRemappingAO::NewL" ); // DEBUG INFO
+	
+	CLocationRemappingAO* self = new (ELeave) CLocationRemappingAO();
+	CleanupStack::PushL( self );
+	self->ConstructL();
+	CleanupStack::Pop( self );
+	return self;
+	}
+
+void CLocationRemappingAO::ConstructL()
+	{
+	LOG( "CLocationRemappingAO::ConstructL" ); // DEBUG INFO
+	CActiveScheduler::Add( this );
+	iMdEClient = NULL;
+	
+	TRAPD(err, ReadTimeFromCenRepL());
+	if (err)
+		{
+		LOG( "CLocationRemappingAO::ConstructL, Can not read timelimit value from CenRep");
+		iTimeLimit = TTimeIntervalSeconds( KRemappingTime );
+		}
+	}
+
+CLocationRemappingAO::~CLocationRemappingAO()
+	{
+	LOG( "CLocationRemappingAO::~CLocationRemappingAO" ); // DEBUG INFO
+
+	StopRemapping();
+	Cancel();
+	
+	iObjects.ResetAndDestroy();
+	}
+
+CLocationRemappingAO::CLocationRemappingAO() : CActive( CActive::EPriorityStandard ),
+	iState ( EIdle ),
+	iContinue( EFalse ),
+	iTimed( EFalse ),
+	iRequested( EFalse ),
+	iStartTime( 0 ),
+	iEndTime( 0 ),
+	iTimeLimit( 0 )
+	{
+	// No implementation required
+	}
+
+
+void CLocationRemappingAO::InitialiseL(CMdESession* aMdEClient)
+	{
+	LOG( "CLocationRemappingAO::Initialise start" ); // DEBUG INFO
+	iMdEClient = aMdEClient;
+	
+	// namespace defaults
+	iNamespaceDef = &iMdEClient->GetDefaultNamespaceDefL();
+	
+	// media object definitions
+    iObjImageDef = &iNamespaceDef->GetObjectDefL( Image::KImageObject );
+    iObjVideoDef = &iNamespaceDef->GetObjectDefL( Video::KVideoObject );
+    iPropDateDef = &iObjImageDef->GetPropertyDefL( Object::KCreationDateProperty );
+    iPropModifiedDef = &iObjImageDef->GetPropertyDefL( Object::KLastModifiedDateProperty );
+	
+    // location object definitions
+	iObjLocationDef = &iNamespaceDef->GetObjectDefL( Location::KLocationObject );
+	iPropLatDef = &iObjLocationDef->GetPropertyDefL( Location::KLatitudeProperty );
+    iPropLongDef = &iObjLocationDef->GetPropertyDefL( Location::KLongitudeProperty );
+	iPropAltDef = &iObjLocationDef->GetPropertyDefL( Location::KAltitudeProperty );
+	
+	iContainsLocationRelDef = &iNamespaceDef->GetRelationDefL( Relations::KContainsLocation );
+	
+	LOG( "CLocationRemappingAO::Initialise end" );
+	}
+
+void CLocationRemappingAO::Append( TRemapItem aItem )
+	{
+	iRemapItems.Append( aItem );
+	}
+
+void CLocationRemappingAO::ResetQueue()
+	{
+	iRemapItems.Reset();
+	}
+
+TBool CLocationRemappingAO::ItemsInQueue()
+	{
+	return iRemapItems.Count() > 0;
+	}
+
+TBool CLocationRemappingAO::CheckQueue()
+	{
+	LOG( "CLocationRemappingAO::CheckQueue - start" );
+	TBool create( EFalse );
+	TInt index = iRemapItems.Count() - 1;
+	TTime startTime( 0 );
+	startTime.UniversalTime();
+	startTime = startTime - iTimeLimit;
+	RArray<TItemId> removeLocations; 
+	
+	for( TInt i = index; i >= 0; i-- )
+		{
+		if( iRemapItems[i].iLocationId == 0 )
+			{
+			create = ETrue;
+			}
+		
+		if( iRemapItems[i].iTime < startTime )
+			{
+			LOG( "CLocationRemappingAO::CheckQueue - old item found" );
+			if ( iRemapItems[i].iLocationId != 0 )
+				{
+				// save old location id 
+				TInt err = removeLocations.Find( iRemapItems[i].iLocationId );
+				if ( err == KErrNotFound )
+					{
+					removeLocations.Append( iRemapItems[i].iLocationId );
+					}
+				}
+			iRemapItems.Remove( i );
+			create = ETrue;
+			}
+		}
+	
+	// clear all "old" location id's from remap items
+	if( removeLocations.Count() < 0 )
+		{
+		index = iRemapItems.Count();
+		for( TInt i = 0; i < index; i++ )
+			{
+			TInt err = removeLocations.Find( iRemapItems[i].iLocationId );
+			if ( err != KErrNotFound )
+				{
+				LOG( "CLocationRemappingAO::CheckQueue - old item found" );
+				iRemapItems[i].iLocationId = 0;
+				}
+			}
+		}
+	
+	removeLocations.Close();
+	LOG( "CLocationRemappingAO::CheckQueue - end" );
+	return create;
+	}
+
+
+void CLocationRemappingAO::StopRemapping()
+	{
+	LOG( "CLocationRemappingAO::StopRemapping" ); // DEBUG INFO
+	NextState(EIdle);
+	}
+
+void CLocationRemappingAO::StartRemappingObjects( const TLocationData& aLocationData )
+	{
+	iLocationData = aLocationData;
+	LOG( "CLocationRemappingAO::StartRemappingObjects" ); // DEBUG INFO
+	TInt count = iRemapItems.Count();
+	if ( count == 0 )
+		{
+		LOG("CLocationRemappingAO::StartRemappingObjects No need to remap location objects");
+		return;
+		}
+	NextState( ERemapObjects );
+	}
+
+void CLocationRemappingAO::NextState(TMappingState aState)
+	{
+	LOG1( "CLocationRemappingAO::NextState - state: %d", aState ); // DEBUG INFO
+	iState = aState;
+	// Request complete if not idling
+	if (iState != EIdle)
+		{
+		TRequestStatus* pStatus = &iStatus;
+		User::RequestComplete( pStatus, KErrNone );
+		SetActive();
+		}	
+	}
+
+void CLocationRemappingAO::DoCancel()
+	{
+	LOG( "CLocationRemappingAO::DoCancel" ); // DEBUG INFO
+	// back to idle
+	NextState(EIdle);
+	}
+
+TInt CLocationRemappingAO::RunError( TInt aError )
+	{
+	if (aError != KErrNone)
+		{
+		LOG1( "CLocationRemappingAO::RunError with error code: %d", aError ); // DEBUG INFO
+		}
+	// back to idle
+	NextState(EIdle);
+	return KErrNone;
+	}
+
+void CLocationRemappingAO::RunL()
+	{
+	LOG1( "CCameraTrailMonitorAO::RunL iStatus: %d", iStatus.Int() ); // DEBUG INFO
+	
+	switch(iState)
+		{
+		case EIdle:			
+			{
+			LOG( "CLocationRemappingAO::RunL() - EIdle" );			
+			break;
+			}
+
+		case ERemapObjects:
+			{
+			// start remapping object data if Location Object request succeed
+			RemapObjectsL();
+			NextState(ECommitObjects);
+			break;			
+			}
+
+		case ECommitObjects:
+			{
+			// commit location object data
+			CommitObjectsL();
+			NextState( EIdle );
+			break;
+			}
+			
+		default:		
+			{
+			User::Leave( KErrUnknown );		
+			break;
+			}
+		}
+	}
+
+
+void CLocationRemappingAO::RemapObjectsL()
+	{	
+	LOG( "CLocationRemappingAO::RemapObjects - start" ); // DEBUG INFO
+	// remap location data to location objects
+	TInt count = iRemapItems.Count();
+	
+	for( TInt i = 0 ; i < count; i++ )
+		{
+		TInt err = iObjectIds.Find( iRemapItems[i].iLocationId );
+		if ( err == KErrNotFound )
+			{
+			iObjectIds.Append( iRemapItems[i].iLocationId );
+			}
+		}
+
+	count = iObjectIds.Count();
+	for (TInt i = 0; i < count; i++)
+		{
+		CMdEObject* location = iMdEClient->OpenObjectL(iObjectIds[i], *iObjLocationDef);
+		CleanupStack::PushL( location );
+		
+		if (location->PropertyCount(*iPropLatDef) == 0)
+			{
+			location->AddReal64PropertyL(*iPropLatDef, iLocationData.iPosition.Latitude());
+			LOG( "CLocationRemappingAO::RemapObjects - wrote latitude" );
+			}
+		if (location->PropertyCount(*iPropLongDef) == 0)
+			{
+			location->AddReal64PropertyL(*iPropLongDef, iLocationData.iPosition.Longitude());
+			LOG( "CLocationRemappingAO::RemapObjects - wrote longitude" );
+			}
+		if (location->PropertyCount(*iPropAltDef) == 0)
+			{
+			location->AddReal64PropertyL(*iPropAltDef, iLocationData.iPosition.Altitude());
+			LOG( "CLocationRemappingAO::RemapObjects - wrote altitude" );
+			}
+		CMdEProperty* modProp = NULL;
+		location->Property( *iPropModifiedDef, modProp, 0 );
+		if ( modProp )
+			{
+			TTime timestamp( 0 );
+			timestamp.UniversalTime();
+			modProp->SetTimeValueL( timestamp );
+			}
+		iObjects.AppendL(location);
+		CleanupStack::Pop( location );
+		}
+	count = iRemapItems.Count();
+	LOG1("CLocationRemappingAO::RemapObjectsL - updating relations, count:%d", count);
+	// update relation timestamp, composer will then update exif data
+	for( TInt i = 0; i < count; i++ )
+		{
+		CMdERelation* relation = NULL;
+		relation = iMdEClient->GetRelationL( iRemapItems[i].iRelationId );
+		
+    	TTime timestamp( 0 );
+    	timestamp.UniversalTime();
+    	relation->SetLastModifiedDate( timestamp );
+    	
+    	iMdEClient->UpdateRelationL( *relation );
+		}
+	LOG("CLocationRemappingAO::RemapObjectsL - relations updated");
+	
+	iObjectIds.Reset();
+	ResetQueue();
+	
+	LOG( "CLocationRemappingAO::RemapObjects - end" );
+	}
+
+void CLocationRemappingAO::CommitObjectsL()
+	{
+	LOG( "CLocationRemappingAO::CommitObjects" ); // DEBUG INFO
+	// commit location objects
+	if( iObjects.Count() > 0 )
+		{
+		iMdEClient->CommitObjectsL(iObjects);
+		iObjects.ResetAndDestroy();
+		}	
+	}
+	    	
+// --------------------------------------------------------------------------
+// CLocationManagerServer::ReadCenRepValueL
+// --------------------------------------------------------------------------
+//
+void CLocationRemappingAO::ReadTimeFromCenRepL()
+	{
+	LOG( "CLocationRemappingAO::ReadTimeFromCenRepL(), begin" );
+	CRepository* repository = CRepository::NewLC( KRepositoryUid ); 
+	TInt value( 0 );
+	User::LeaveIfError( repository->Get(KRemappingTimeKey, value) );
+	CleanupStack::PopAndDestroy(repository);
+
+	LOG1( "CLocationRemappingAO::ReadTimeFromCenRepL(), Using timelimit value:%d seconds", value );
+	iTimeLimit = TTimeIntervalSeconds( value );
+
+    LOG( "CLocationRemappingAO::ReadTimeFromCenRepL(), end" );   
+	}
+
+
+void CLocationRemappingAO::UpdateRelationsL( TItemId aLocationId )
+	{ 
+	LOG("CLocationRemappingAO::UpdateRelationsL - start");
+	CMdENamespaceDef& namespaceDef = iMdEClient->GetDefaultNamespaceDefL();
+	
+	// "contains" relation definition
+	CMdERelationDef& containsRelDef = namespaceDef.GetRelationDefL( 
+			Relations::KContainsLocation );
+
+	TInt count = iRemapItems.Count() - 1;
+	for( TInt i = count; i >= 0; i-- )
+		{
+		if( iRemapItems[i].iLocationId == 0 )
+			{
+			if( iRemapItems[i].iRelationId == 0 )
+				{
+				CMdERelation* relationObject = iMdEClient->NewRelationLC( containsRelDef,
+						iRemapItems[i].iObjectId, aLocationId, 0 );
+				iMdEClient->AddRelationL( *relationObject );
+				CleanupStack::PopAndDestroy( relationObject );
+				LOG("CLocationRemappingAO::UpdateRelationsL - new relation created");
+				}
+			else
+				{
+				CMdERelation* relationObject = iMdEClient->GetRelationL( iRemapItems[i].iRelationId );
+				relationObject->SetRightObjectIdL( aLocationId );
+				iMdEClient->UpdateRelationL( *relationObject );
+				LOG("CLocationRemappingAO::UpdateRelationsL - old relation updated");
+				}
+			iRemapItems.Remove( i );
+			}
+		}
+	LOG("CLocationRemappingAO::UpdateRelationsL - end");
+	}
+
+// --------------------------------------------------------------------------
+// TRemapItem constructor
+// --------------------------------------------------------------------------
+//
+TRemapItem::TRemapItem() :
+	iObjectId( 0 ),
+	iLocationId( 0 ),
+	iRelationId( 0 ),
+	iTime( 0 )
+	{
+	
+	}
+