/*

* Copyright (c) 2004-2007 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:  Contains the CPrinterCapabilities class definition.

*

*/

#include "cprintercapabilities.h"

#include "imageprint.h"

//**********************************************************************

//		CPrinterCapabilities

//**********************************************************************

CPrinterCapabilities::CPrinterCapabilities(CCapabilityArray* aSourceArray, TInt aPrinterClass)

	{

	iSourceArray = aSourceArray;

	iPrinterClass = aPrinterClass;

	}

CPrinterCapabilities::~CPrinterCapabilities()

	{

	iPrinterDataArray.ResetAndDestroy();

	iPrinterDataArray.Close();

	}

CPrinterCapabilities* CPrinterCapabilities::NewL(CCapabilityArray* aSourceArray, TInt aPrinterClass)

	{

	CPrinterCapabilities* self=new (ELeave) CPrinterCapabilities(aSourceArray,aPrinterClass);

	CleanupStack::PushL(self);

	self->ConstructL();

    CleanupStack::Pop(self);

    return self;

	}

void CPrinterCapabilities::ConstructL()

	{    

	BuildCapabilityArrayL();

	}

void CPrinterCapabilities::BuildCapabilityArrayL()

	{

	CCapabilityInfo* capInfo;

	CCapabilityInfo* workCap;

	TInt count = iSourceArray->Count();

	for( TInt i = 0; i < count; i++ )

		{

		capInfo = (*iSourceArray)[i];

		if( capInfo->PrinterClass() == iPrinterClass )

			{

			workCap = capInfo->CopyL();

			CleanupStack::PushL( workCap );

			iPrinterDataArray.AppendL( workCap );

			CleanupStack::Pop(); // workCap

			TInt link = workCap->SetCurrentValue( workCap->Capability().iDefaultValue );

			if( link )

				{

				workCap = iSourceArray->LinkedCapability( link )->CopyL();

				CleanupStack::PushL( workCap );				

				iPrinterDataArray.AppendL( workCap );

				CleanupStack::Pop(); // workCap	

				}

			}

		}

	}

void CPrinterCapabilities::GetIDs( RArray<TInt>& aCapabilityIDs ) const

	{

	for( TInt nCnt = 0; nCnt < iPrinterDataArray.Count(); nCnt++ )

		{

		aCapabilityIDs.Append( iPrinterDataArray[nCnt]->Capability().iCapabilityID );

		}

	}

TInt CPrinterCapabilities::GetCapability( TInt aCapabilityID, TPrintCapability& aCapability ) const

	{

	TInt err( KErrInvalidData );

	for( TInt nCnt = 0; nCnt < iPrinterDataArray.Count() && err; nCnt++ )

		{

		if( iPrinterDataArray[nCnt]->Capability().iCapabilityID == aCapabilityID )

			{

			aCapability = iPrinterDataArray[nCnt]->Capability();

			err = KErrNone;

			}

		}

	return err;

	}

TInt CPrinterCapabilities::SetCurrentValueL( TInt aCapabilityID, TInt aValue )

	// returns any affected capability ID

	{		

	// locate the capability

	CCapabilityInfo* capInfo = NULL;

	for( TInt nCnt = 0; nCnt < iPrinterDataArray.Count() && !capInfo; nCnt++ )

		{

		if( iPrinterDataArray[nCnt]->Capability().iCapabilityID == aCapabilityID )

			{

			capInfo = iPrinterDataArray[nCnt];

			}

		}

	TInt affectedCapability( 0 );

	if( capInfo && aValue != capInfo->CurrentValue() )

		{

		// has changed

		TInt currentLink = capInfo->ValueLink( capInfo->CurrentValue() );

		TInt newLink = capInfo->SetCurrentValue( aValue );

		if( newLink != currentLink )

			{

			// Find and Delete the old link

			for( TInt nCnt = 0; nCnt < iPrinterDataArray.Count(); nCnt++ )

				{

				if( iPrinterDataArray[nCnt]->LinkID() == currentLink )

					{

					CCapabilityInfo *tmpCap;

					tmpCap = iPrinterDataArray[nCnt];

					iPrinterDataArray.Remove(nCnt);

					delete tmpCap;

					break;

					}

				}

			// add the new link

			if( newLink )

				{

				capInfo = iSourceArray->LinkedCapability( newLink );

				affectedCapability = capInfo->Capability().iCapabilityID;				

				CCapabilityInfo* tmpCap = capInfo->CopyL();

				CleanupStack::PushL( tmpCap );

				iPrinterDataArray.AppendL( tmpCap );

				CleanupStack::Pop(); // tmpCap

				}

			}			

		}

	return affectedCapability;

	}

TBool CPrinterCapabilities::GetCurrentValue( TInt aCapabilityID, TInt &aCapabilityValue ) const

	{

	TBool result( EFalse );

	for( TInt nCnt = 0; nCnt < iPrinterDataArray.Count() && !result; nCnt++ )

		{

		if( iPrinterDataArray[nCnt]->Capability().iCapabilityID == aCapabilityID )

			{

			aCapabilityValue = iPrinterDataArray[nCnt]->CurrentValue();

			result = ETrue;

			}

		}

	return result;

	}

TInt CPrinterCapabilities::Count() const

	{

	return iPrinterDataArray.Count();

	}

//  End of File