/*

* Copyright (c) 2002-2005 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:  Publish and subscribe implementation

*

*/

// INCLUDE FILES

#include    "CCANotifierImpl.h"

#include    "MCANotifierKeyObserver.h"

#include    "CCAPropertyObserver.h"

#include    <e32property.h>

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

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

// CCANotifierImpl::CCANotifierImpl

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

// might leave.

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

//

CCANotifierImpl::CCANotifierImpl( MCANotifierKeyObserver* aObserver, const TUid aUid )

        : iObserver( aObserver ),

        iCatUID( aUid )

    {

    }

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

// CCANotifierImpl::NewL

// Two-phased constructor.

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

//

CCANotifierImpl* CCANotifierImpl::NewL( MCANotifierKeyObserver* aObserver, const TUid aUid )

    {

    CCANotifierImpl* self = new( ELeave ) CCANotifierImpl( aObserver, aUid );

    return self;

    }

// Destructor

CCANotifierImpl::~CCANotifierImpl()

    {

    delete iPropWatcher;

    }

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

// CCANotifierImpl::SetInt

// (other items were commented in a header).

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

//

TInt CCANotifierImpl::SetInt( TNotifyKey aKey, TInt aValue )

    {

    TInt err = KErrNone;

    switch ( aKey )

        {

        case EUIPIndKey:

            {

            err = RProperty::Set( KPSUidCoreApplicationUIs, KCoreAppUIsUipInd, aValue ? ECoreAppUIsShow : ECoreAppUIsDoNotShow );

            break;

            }

        case EMSGToneQuitKey:

            err = RProperty::Set( KPSUidCoreApplicationUIs, KCoreAppUIsMessageToneQuit, aValue );

            break;

        default:

            {

            return KErrNotFound;

            }

        }

    return err;

    }

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

// CCANotifierImpl::GetInt

// (other items were commented in a header).

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

//

TInt CCANotifierImpl::GetInt( TNotifyKey aKey, TInt& aValue )

    {

    TInt err = KErrNone;

    switch ( aKey )

        {

        case EUIPIndKey:

            {

            err = RProperty::Get( KPSUidCoreApplicationUIs, KCoreAppUIsUipInd, aValue );

            break;

            }

        case EMSGToneQuitKey:

            {

            err = RProperty::Get( KPSUidCoreApplicationUIs, KCoreAppUIsMessageToneQuit, aValue );

            break;

            }

        default:

            {

            err = KErrNotFound;

            break;

            }

        }

    return err;

    }

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

// CCANotifierImpl::ListenKeyChanges

// (other items were commented in a header).

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

//

TInt CCANotifierImpl::ListenKeyChanges( TNotifyKey aKey )

    {

    TInt err = KErrNone;

    delete iPropWatcher;

    iPropWatcher = NULL;

    switch ( aKey )

        {

        case EUIPIndKey:

            {

            TRAP( err, iPropWatcher = CCAPropertyObserver::NewL( *this ) );

            if ( !err )

                {

                TRAP( err, iPropWatcher->ObservePropertyChangeL(

                          KPSUidCoreApplicationUIs, KCoreAppUIsUipInd ) );

                }

            break;

            }

        case EMSGToneQuitKey:

            {

            TRAP( err, iPropWatcher = CCAPropertyObserver::NewL( *this ) );

            if ( !err )

                {

                TRAP( err, iPropWatcher->ObservePropertyChangeL(

                          KPSUidCoreApplicationUIs, KCoreAppUIsMessageToneQuit ) );

                }

            break;

            }

        default:

            {

            err = KErrNotFound;

            break;

            }

        }

    return err;

    }

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

// CCANotifierImpl::HandlePropertyNotificationEventL

// (other items were commented in a header).

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

//

void CCANotifierImpl::HandlePropertyNotificationEventL( TUid /* aCategory */, TUint aKey )

    {

    TInt value( 0 );

    User::LeaveIfError(

        RProperty::Get( KPSUidCoreApplicationUIs, aKey, value ) );

    TUpdatedKey key;

    key.iUid = KPSUidCoreApplicationUIs;

    key.iKey = aKey;

    key.iValue = value;

    iObserver->HandleKeyChange( key );

    }

//  End of File