/*

* Copyright (c) 2005-2007 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:  Source file for CIRPropertyObserver2.

*

*/

#include "irpropertyobserver2.h"

#include "irdebug.h"

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

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

// C++ default constructor can NOT contain any code, that might leave.

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

//

CIRPropertyObserver2::CIRPropertyObserver2(MIRPropertyChangeObserver2& aObserver, 

					const TUid& aCategory, const TUint aKey, const TIRPropertyType aPropertyType)

    : CActive( CActive::EPriorityStandard ),

    iObserver( aObserver ),

    iCategory( aCategory ),

    iKey( aKey ),

    iPropertyType( aPropertyType )

	{

	IRLOG_INFO( "CIRPropertyObserver2::CIRPropertyObserver2" );

	}

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

// Symbian 2nd phase constructor can leave.

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

//

void CIRPropertyObserver2::ConstructL()

	{

	IRLOG_INFO( "CIRPropertyObserver2::ConstructL - Entering" );

    switch (iPropertyType)

        {

        case EIRPropertyInt:

	        {

	        break;

	        }

	    case EIRPropertyByteArray:

	        {

	        iValueByteArray = HBufC8::NewL( RProperty::KMaxPropertySize );

	        break;

	        }

	    case EIRPropertyText:

	        {

	        // Max size in bytes, length is size / 2

	        iValueText = HBufC::NewL( RProperty::KMaxPropertySize / 2 );

	        break;

	        }

	    default:

	        {

	        break;

	        }

        }

    User::LeaveIfError( iProperty.Attach( iCategory, iKey ) );

    CActiveScheduler::Add( this );

    IRLOG_INFO( "CIRPropertyObserver2::ConstructL - Exiting" );

	}

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

// Two-phased constructor.

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

//

EXPORT_C CIRPropertyObserver2* CIRPropertyObserver2::NewL(MIRPropertyChangeObserver2& aObserver,

		                        const TUid& aCategory, const TUint aKey,

		                        	 const TIRPropertyType aPropertyType)

	{

	IRLOG_INFO( "CIRPropertyObserver2::NewL - Entering" );

    CIRPropertyObserver2* self = new( ELeave )CIRPropertyObserver2( aObserver, aCategory,

    				 aKey, aPropertyType );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    IRLOG_INFO( "CIRPropertyObserver2::NewL - Exiting" );

    return self;

	}

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

// Destructor

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

//

CIRPropertyObserver2::~CIRPropertyObserver2()

	{

	IRLOG_INFO( "CIRPropertyObserver2::~CIRPropertyObserver2 - Entering" );

	Cancel();

    iProperty.Close();

    delete iValueByteArray;

    delete iValueText;

    IRLOG_INFO( "CIRPropertyObserver2::~CIRPropertyObserver2 - Exiting" );

	}

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

// Subscribes to a property and reads the value, if not already active.

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

//

EXPORT_C void CIRPropertyObserver2::ActivateL()

	{

	IRLOG_INFO( "CIRPropertyObserver2::ActivateL - Entering" );

    if ( !IsActive() )

        {

        RunL();

        }

    IRLOG_INFO( "CIRPropertyObserver2::ActivateL - Exiting" );

	}

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

// CIRPropertyObserver2::RunL

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

//

void CIRPropertyObserver2::RunL()

	{

	IRLOG_INFO( "CIRPropertyObserver2::RunL - Entering" );

    iProperty.Subscribe( iStatus );

    SetActive();

    TInt err(KErrNone);

    switch (iPropertyType)

        {

        case EIRPropertyInt:

	        {

	        err = iProperty.Get( iValueInt );

	        if (!err)

            	{

                iObserver.HandlePropertyChangeL( iCategory, iKey, iValueInt );

             	}

	        break;

	        }

	    case EIRPropertyByteArray:

	        {

	        TPtr8 ptr8( iValueByteArray->Des() );

	        err = iProperty.Get( ptr8 );

	        if (!err)

            	{

                iObserver.HandlePropertyChangeL( iCategory, iKey, *iValueByteArray );

             	}

	        break;

	        }

	    case EIRPropertyText:

	        {

	        TPtr ptr( iValueText->Des() );

	        err = iProperty.Get( ptr );

	        if (!err)

            	{

                iObserver.HandlePropertyChangeL( iCategory, iKey, *iValueText );

             	}

	        break;

	        }

	    default:

	        {

	        break;

	        }

        }

    if (err)

    	{

        iObserver.HandlePropertyChangeErrorL(iCategory, iKey, err);

     	}

    IRLOG_INFO( "CIRPropertyObserver2::RunL - Exiting" );

	}

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

// Cancels an outstanding active request

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

//

void CIRPropertyObserver2::DoCancel()

	{

	IRLOG_INFO( "CIRPropertyObserver2::DoCancel - Entering" );

    iProperty.Cancel();

    IRLOG_INFO( "CIRPropertyObserver2::DoCancel - Exiting" );

	}

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

// Getter for integer value

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

//	

EXPORT_C TInt CIRPropertyObserver2::ValueInt() const

	{

	IRLOG_INFO( "CIRPropertyObserver2::ValueInt" );

	return iValueInt;

	}

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

// Getter for byte array value

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

//	

EXPORT_C const TDesC8& CIRPropertyObserver2::ValueDes8() const

	{

	IRLOG_INFO( "CIRPropertyObserver2::ValueDes8" );

	return *iValueByteArray;

	}

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

// Getter for text value

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

//	

EXPORT_C const TDesC& CIRPropertyObserver2::ValueDes() const

	{

	IRLOG_INFO( "CIRPropertyObserver2::ValueDes" );

	return *iValueText;

	}