/*

* Copyright (c) 2006 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:   Environment

*

*/

#include "alf/alfsrveffectenv.h"

#include "alfappsrvsession.h"

#include "alfsrvcontrolgroupsubsession.h"

#include "alfsrvdisplaysubsession.h"

#include <uiacceltk/HuiControlGroup.h>

#include <uiacceltk/HuiEnv.h>

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

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

// Constructors

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

//

CAlfSrvEffectEnv::CAlfSrvEffectEnv(CAlfAppSrvSession& aSession)

    : iSession(&aSession)

    {

    }

void CAlfSrvEffectEnv::ConstructL()

    {

    }

CAlfSrvEffectEnv* CAlfSrvEffectEnv::NewL(CAlfAppSrvSession& aSession)

    {

    CAlfSrvEffectEnv* self = CAlfSrvEffectEnv::NewLC(aSession);

    CleanupStack::Pop( self );

    return self;

    }

CAlfSrvEffectEnv* CAlfSrvEffectEnv::NewLC(CAlfAppSrvSession& aSession)

    {

    CAlfSrvEffectEnv* self = new( ELeave ) CAlfSrvEffectEnv (aSession);

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// Destructor

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

//

CAlfSrvEffectEnv::~CAlfSrvEffectEnv()

    {

    }

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

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

//

EXPORT_C TInt CAlfSrvEffectEnv::ControlGroupCountL()

    {

    TInt count = 0;

    RPointerArray<CAlfSrvSubSessionBase> groups;

    CleanupClosePushL( groups );

    iSession->GetSubsessionsByTypeL( groups, EHuiObjectTypeControlGroup );

    count = groups.Count();

    CleanupStack::PopAndDestroy( &groups ); // groups.Close()        

    return count;

    }

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

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

//

EXPORT_C TInt CAlfSrvEffectEnv::VisibleControlGroupCountL()

    {

    TInt count = 0;

    RPointerArray<CAlfSrvSubSessionBase> groups;

    CleanupClosePushL( groups );

    iSession->GetSubsessionsByTypeL( groups, EHuiObjectTypeControlGroup );

    for ( TInt g = 0 ; g < groups.Count() ; g++ )

        {

        // Check if the control group is shown (set by the application)

        CAlfSrvControlGroupSubSession* controlGroupSubSession = 

                static_cast<CAlfSrvControlGroupSubSession*>( groups[g] );        

        if ( controlGroupSubSession->IsShown() )

            {

            count++;

            }

        }

    CleanupStack::PopAndDestroy( &groups ); // groups.Close()        

    return count;

    }

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

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

//

EXPORT_C CHuiControlGroup* CAlfSrvEffectEnv::ControlGroupL( TInt aIndex )

    {

    CHuiControlGroup* retVal = NULL;

    RPointerArray<CAlfSrvSubSessionBase> groups;

    CleanupClosePushL( groups );

    iSession->GetSubsessionsByTypeL( groups, EHuiObjectTypeControlGroup );

    // Sanity check for index

    if (aIndex < groups.Count() && aIndex >= 0)

        {

        CAlfSrvControlGroupSubSession* controlGroupSubSession = 

            static_cast<CAlfSrvControlGroupSubSession*>( groups[aIndex] );

        retVal = &controlGroupSubSession->ControlGroup();            

        }

    CleanupStack::PopAndDestroy( &groups ); // groups.Close()        

    return retVal;        

    }

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

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

//

EXPORT_C CHuiControlGroup* CAlfSrvEffectEnv::VisibleControlGroupL( TInt aIndex )

    {

    CHuiControlGroup* retVal = NULL;

    TInt count = 0;

    RPointerArray<CAlfSrvSubSessionBase> groups;

    CleanupClosePushL( groups );

    iSession->GetSubsessionsByTypeL( groups, EHuiObjectTypeControlGroup );

    iSession->ReOrderControlGroupSessionsL( groups );

    for ( TInt g = 0 ; g < groups.Count() && !retVal ; g++ )

        {

        // Check if the control group is shown (set by the application)

        CAlfSrvControlGroupSubSession* controlGroupSubSession = 

                static_cast<CAlfSrvControlGroupSubSession*>( groups[g] );        

        if ( controlGroupSubSession->IsShown() )

            {

            if ( count == aIndex )

                {

                retVal = &controlGroupSubSession->ControlGroup();  

                }

            else

                {

                count++;

                }

            }

        }

    CleanupStack::PopAndDestroy( &groups ); // groups.Close()        

    return retVal;       

    }

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

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

//

EXPORT_C TInt CAlfSrvEffectEnv::DisplayCountL()

    {

    TInt count = 0;

    RPointerArray<CAlfSrvSubSessionBase> displays;

    CleanupClosePushL( displays );

    iSession->GetSubsessionsByTypeL( displays, EHuiObjectTypeDisplay );

    count = displays.Count() ; 

    CleanupStack::PopAndDestroy( &displays ); // displays.Close()

    return count;

    }

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

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

//

EXPORT_C CHuiDisplay* CAlfSrvEffectEnv::DisplayL(TInt aIndex)

    {

    // update display attributes for each display

    CHuiDisplay* display = NULL;

    RPointerArray<CAlfSrvSubSessionBase> displays;

    CleanupClosePushL( displays );

    iSession->GetSubsessionsByTypeL( displays, EHuiObjectTypeDisplay );

    // Sanity check for index

    if ( aIndex < displays.Count() && aIndex >= 0 )

        {

        CAlfSrvDisplaySubSession* displaySubSession = 

                static_cast<CAlfSrvDisplaySubSession*>( displays[aIndex] );     

        display = &displaySubSession->Display();

        }

    CleanupStack::PopAndDestroy( &displays ); // displays.Close()

    return display;

    }

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

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

//

EXPORT_C CHuiEnv* CAlfSrvEffectEnv::SharedEnv()

    {

    return iSession->SharedHuiEnv();    

    }