/*

* Copyright (c) 2006-2007 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:  Active object for subscribing to Publish & Suscribe properties

*

*/

// INCLUDE FILES

#include <e32svr.h>

#include <voiceuidomainpskeys.h>

#include <vuivoicerecogdefs.h>

#include "vuicpropertyhandler.h"

#include "vuicvoicerecogdialogimpl.h"

#include "rubydebug.h"

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

// CPropertyHandler::NewL

// Symbian OS two-phased constructor

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

//

CPropertyHandler* CPropertyHandler::NewL( TUid aFirstCategory,

                                          TUint aFirstKey, 

                                          TUid aSecondCategory,

                                          TUint aSecondKey )

    {

    RUBY_DEBUG_BLOCK( "CPropertyHandler::NewL" );

    CPropertyHandler* self = new ( ELeave ) CPropertyHandler();

    CleanupStack::PushL( self );

    self->ConstructL( aFirstCategory, aFirstKey, 

                      aSecondCategory, aSecondKey );

    CleanupStack::Pop( self );

    return self;

    }

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

// CPropertyHandler::CPropertyHandler

// C++ constructor

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

//

CPropertyHandler::CPropertyHandler()

    : CActive( EPriorityStandard )

    {

    }

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

// CPropertyHandler::ConstructL

// Symbian OS 2nd phase constructor

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

//

void CPropertyHandler::ConstructL( TUid aFirstCategory, TUint aFirstKey, 

                                   TUid aSecondCategory, TUint aSecondKey )

    {

    RUBY_DEBUG_BLOCK( "CPropertyHandler::ConstructL" );   

    iFirstCategory = aFirstCategory;

    iFirstKey = aFirstKey;

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

    * KPSUidVoiceUiAccMonitor

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

    TInt err = iProperty.Define( iFirstCategory, iFirstKey,

                                 RProperty::EInt );

    RUBY_DEBUG1( "CPropertyHandler::ConstructL - aFirstCategory err[%d]", err );

    if ( err == KErrNone || err == KErrAlreadyExists )

        {

        // Set VoiceUI P&S key to ON

        User::LeaveIfError( iProperty.Set( iFirstCategory, iFirstKey, 

                                           KVoiceUiIsOpen ) );

        }

        TInt error = iProperty.Define( aSecondCategory, aSecondKey,

                                       RProperty::EInt );

    RUBY_DEBUG1( "CPropertyHandler::ConstructL - aSecondCategory err[%d]", err );

    if ( error == KErrNone || error == KErrAlreadyExists )

        {

        // Start to listen RemCon events

        User::LeaveIfError( iProperty.Attach( aSecondCategory, aSecondKey ) );

        }

    CActiveScheduler::Add( this );

    // Initial subscription and process current property value

    RunL();

    iRequestIssued = ETrue;

    }

// Destructor

CPropertyHandler::~CPropertyHandler()

    {

    RUBY_DEBUG0( "CPropertyHandler::~CPropertyHandler START" );

    // Set VoiceUI P&S key to OFF

    iProperty.Set( iFirstCategory, iFirstKey, KVoiceUiIsClose );

    Cancel();

    iProperty.Close();

    RUBY_DEBUG0( "CPropertyHandler::~CPropertyHandler EXIT" );

    }

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

// CPropertyHandler::DoCancel   

// Cancel the request to receive events

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

//

void CPropertyHandler::DoCancel()

    {

    RUBY_DEBUG0( "CPropertyHandler::DoCancel START" );

    iProperty.Cancel();

    RUBY_DEBUG0( "CPropertyHandler::DoCancel EXIT" );

    }

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

// CPropertyHandler::RunL

// Handle a change event.

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

//

void CPropertyHandler::RunL()

    {

    RUBY_DEBUG_BLOCK( "CPropertyHandler::RunL" ); 

    // Resubscribe before processing new value to prevent missing updates

    iProperty.Subscribe( iStatus );

    SetActive();

    if ( iRequestIssued && iRecogObserver )

        {

        RUBY_DEBUG0( "CPropertyHandler::RunL - Call HandlePropertyValueChange for RecogObserver" );

        TInt value = 0;

        iProperty.Get( value );

        iRecogObserver->HandlePropertyValueChange( value );

        }

    else

        {

        RUBY_DEBUG0( "CPropertyHandler::RunL - Pass" );

        }

    }

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

// CPropertyHandler::Register

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

//

void CPropertyHandler::Register( CVoiceRecognitionDialogImpl* aRecogObserver )

    {

    RUBY_DEBUG0( "CPropertyHandler::Register START" );

    if ( aRecogObserver )

        {

        iRecogObserver = aRecogObserver;

        }

    RUBY_DEBUG0( "CPropertyHandler::Register EXIT" );        

    }

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

// CPropertyHandler::DeRegister

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

//

void CPropertyHandler::DeRegister( CVoiceRecognitionDialogImpl* aRecogObserver )

    {

    RUBY_DEBUG0( "CPropertyHandler::DeRegister START" );

    if ( aRecogObserver )

        {

        iRecogObserver = NULL;

        }

    RUBY_DEBUG0( "CPropertyHandler::DeRegister EXIT" );

    }    

// End of File