/*

* Copyright (c) 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:   Visual owner

*

*/

#include "alfsrvvisualowner.h"

#include "alf/alfappsrvsessionbase.h"

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

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

// Constructor

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

//

CAlfSrvVisualOwner::CAlfSrvVisualOwner( 

    CAlfAppSrvSessionBase& aSession,

    MHuiVisualOwner* aRealOwner )

    : iSession( aSession ), iRealOwner( aRealOwner )

    {

    iVisualLayoutUpdatedNotificationId = KErrNotFound;

    }

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

// Second phase constructor

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

//

void CAlfSrvVisualOwner::ConstructL()

    {

    }

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

// Constructor

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

//

CAlfSrvVisualOwner* CAlfSrvVisualOwner::NewL( 

    CAlfAppSrvSessionBase& aSession,

    MHuiVisualOwner* aRealOwner )

    {

    CAlfSrvVisualOwner* self = new( ELeave ) CAlfSrvVisualOwner( aSession, aRealOwner );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Destructor

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

//

CAlfSrvVisualOwner::~CAlfSrvVisualOwner()

    {

    if ( iVisualLayoutUpdatedNotificationId != KErrNotFound )

        {

        iSession.CompleteCmd( iVisualLayoutUpdatedNotificationId , KErrCancel );

        }

    iRealOwner = NULL;

    }

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

// Return real owner

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

//    

MHuiVisualOwner* CAlfSrvVisualOwner::RealOwner()

    {

    return iRealOwner;

    }

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

// Set layout notification ID

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

//    

void CAlfSrvVisualOwner::SetVisualLayoutUpdatedNotificationId( TInt aNotificationId )

    {

    ASSERT( iVisualLayoutUpdatedNotificationId == KErrNotFound );

    if ( iVisualLayoutUpdatedNotificationId != KErrNotFound )

        {

        iSession.CompleteCmd( iVisualLayoutUpdatedNotificationId , KErrCancel );

        }

    iVisualLayoutUpdatedNotificationId = aNotificationId;

    }

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

// Return environment

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

//

CHuiEnv& CAlfSrvVisualOwner::Env() const

    {

    if ( iRealOwner )

        {

        return iRealOwner->Env();

        }

    return *iSession.SharedHuiEnv();

    }

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

// Return control group

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

//    

CHuiControlGroup* CAlfSrvVisualOwner::ControlGroup() const

    {

    if ( iRealOwner )

        {

        return iRealOwner->ControlGroup();

        }

    return NULL;

    }

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

// Return event handler of owner

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

//    

MHuiEventHandler* CAlfSrvVisualOwner::EventHandler()

    {

    if ( iRealOwner )

        {

        return iRealOwner->EventHandler();

        }

    return NULL;

    }

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

// Append visual to owner

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

//    

void CAlfSrvVisualOwner::AppendL(CHuiVisual* aVisual)

    {

    if ( iRealOwner )

        {

        iRealOwner->AppendL(aVisual);

        }

    }

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

// Remove visual from owner

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

//    

void CAlfSrvVisualOwner::Remove(CHuiVisual* aVisual)

    {

    if ( iRealOwner )

        {

        iRealOwner->Remove(aVisual);

        }

    }

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

// Return if visual destroyed

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

//   

void CAlfSrvVisualOwner::VisualDestroyed(CHuiVisual& aVisual)

    {

    if ( iRealOwner )

        {

        iRealOwner->VisualDestroyed(aVisual);

        }

    }

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

// Return if visual layout updated

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

//    

void CAlfSrvVisualOwner::VisualLayoutUpdated(CHuiVisual& aVisual)

    {

    if ( iVisualLayoutUpdatedNotificationId != KErrNotFound )

        {

        iSession.CompleteCmd( iVisualLayoutUpdatedNotificationId , KErrNone );

        iVisualLayoutUpdatedNotificationId = KErrNotFound;

        }

    if ( iRealOwner )

        {

        iRealOwner->VisualLayoutUpdated(aVisual);

        }

    }

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

// Return if visual prepare draw failed

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

//    

void CAlfSrvVisualOwner::VisualPrepareDrawFailed(CHuiVisual& aVisual, TInt aErrorCode)

    {

    if ( iRealOwner )

        {

        iRealOwner->VisualPrepareDrawFailed(aVisual,aErrorCode);

        }

    }