/*

* 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:  IMSPageResourceControl.cpp

*

*/

// INCLUDE FILES

#include <e32base.h>

#include <cstack.h>                     // CStack

#include "IMSPageResourceControl.h"

#include "ImumUtilsLogging.h"

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES

// CONSTANTS

enum TIMSResourcePagePanicCode

    {

    EIRPPNoError = 0,

    EIRPPWrongType,

    EIRPPStackEmpty,

    EIRPPStackNull,

    EIRPPArrayNull,

    EIRPPUnknownType

    };

_LIT( KIMSResourcePagePanic, "IMSResourcePagePanic" );

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

void Panic( const TIMSResourcePagePanicCode aReason );

// FORWARD DECLARATIONS

// ============================ LOCAL FUNCTIONS ===============================

void Panic( const TIMSResourcePagePanicCode aReason )

    {

    User::Panic( KIMSResourcePagePanic, aReason );

    }

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

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

// CIMSPageResourceControl::CIMSPageResourceControl()

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

//

CIMSPageResourceControl::CIMSPageResourceControl()

    {

    IMUM_CONTEXT( CIMSPageResourceControl::CIMSPageResourceControl, 0, KLogUi );

    }

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

// CIMSPageResourceControl::~CIMSPageResourceControl()

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

//

CIMSPageResourceControl::~CIMSPageResourceControl()

    {

    IMUM_CONTEXT( CIMSPageResourceControl::~CIMSPageResourceControl, 0, KLogUi );

    if ( iPageResources )

        {

        iPageResources->ResetAndDestroy();

        }

    delete iPageResources;

    iPageResources = NULL;

    }

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

// CIMSPageResourceControl::ConstructL()

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

//

void CIMSPageResourceControl::ConstructL()

    {

    IMUM_CONTEXT( CIMSPageResourceControl::ConstructL, 0, KLogUi );

    iPageResources = new ( ELeave ) CResourceStackArray( EIPRLastPage );

    }

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

// CIMSPageResourceControl::NewL()

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

//

CIMSPageResourceControl* CIMSPageResourceControl::NewL()

    {

    IMUM_STATIC_CONTEXT( CIMSPageResourceControl::NewL, 0, utils, KLogUi );

    CIMSPageResourceControl* self = NewLC();

    CleanupStack::Pop( self );

    return self;

    }

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

// CIMSPageResourceControl::NewLC()

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

//

CIMSPageResourceControl* CIMSPageResourceControl::NewLC()

    {

    IMUM_STATIC_CONTEXT( CIMSPageResourceControl::NewLC, 0, utils, KLogUi );

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

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

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

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

// CIMSPageResourceControl::PushResourceL()

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

//

void CIMSPageResourceControl::PushResourceL(

    const TInt aType,

    const TInt aPageResource )

    {

    IMUM_CONTEXT( CIMSPageResourceControl::PushResourceL, 0, KLogUi );

    Stack( aType ).AppendL( aPageResource );

    }

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

// CIMSPageResourceControl::Resource()

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

//

TInt CIMSPageResourceControl::Resource(

    const TInt aType,

    const TBool aRemove )

    {

    IMUM_CONTEXT( CIMSPageResourceControl::Resource, 0, KLogUi );

    CResourceStack& stack = Stack( aType );

    TInt index = stack.Count() - 1;

    if ( !aRemove || aRemove && !index )

        {

        return stack[index];

        }

    else

        {

        TInt resource = stack[index];

        stack.Delete( index );

        return resource;

        }

    }

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

// CIMSPageResourceControl::Count()

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

//

TInt CIMSPageResourceControl::Count( const TInt aType )

    {

    IMUM_CONTEXT( CIMSPageResourceControl::Count, 0, KLogUi );

    return Stack( aType ).Count();

    }

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

// CIMSPageResourceControl::CreateStackL()

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

//

CResourceStack* CIMSPageResourceControl::CreateStackL(

    const TInt aPageResource )

    {

    IMUM_CONTEXT( CIMSPageResourceControl::CreateStackL, 0, KLogUi );

    __ASSERT_DEBUG( iPageResources != NULL, Panic( EIRPPArrayNull ) );

    CResourceStack* stack = new ( ELeave ) CResourceStack( EIPRLastPage );

    CleanupStack::PushL( stack );

    iPageResources->AppendL( stack );

    stack->AppendL( aPageResource );

    CleanupStack::Pop( stack );

    return stack;

    }

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

// CIMSPageResourceControl::operator[]()

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

//

TInt CIMSPageResourceControl::operator[]( const TInt aType )

    {

    IMUM_CONTEXT( CIMSPageResourceControl::operator, 0, KLogUi );

    return Resource( aType );

    }

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

    TOOLS

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

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

// CIMSPageResourceControl::Stack()

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

//

CResourceStack& CIMSPageResourceControl::Stack( const TInt aType )

    {

    IMUM_CONTEXT( CIMSPageResourceControl::Stack, 0, KLogUi );

    __ASSERT_DEBUG( iPageResources->Count(), Panic( EIRPPStackEmpty ) );

    __ASSERT_DEBUG( aType < iPageResources->Count(), Panic( EIRPPUnknownType ) );

    __ASSERT_DEBUG( ( *iPageResources )[aType] != NULL, Panic( EIRPPStackNull ) );

    __ASSERT_DEBUG( iPageResources != NULL, Panic( EIRPPArrayNull ) );

    return *( *iPageResources )[aType];

    }

// End of File