/*

* Copyright (c) 2008-2008 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:  Resource provider

*

*/

#include "aknresourceprovider.h"

#include "aknresourceitem.h"

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

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

// Two-phased constructor.

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

//

CAknResourceProvider* CAknResourceProvider::NewL()

    {

    CAknResourceProvider* self = new ( ELeave ) CAknResourceProvider;

    return self;

    }

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

// Destructor.

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

//

CAknResourceProvider::~CAknResourceProvider()

    {

    iResourceArray.ResetAndDestroy();

    }

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

// Returns a resource item duplicate by the resource item id.

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

//

TInt CAknResourceProvider::GetResourceL( TUint aId,

                                        MAknResourceItem*& aResource )

    {

    for ( int i = 0; i < iResourceArray.Count(); i++ )

        {

        if ( iResourceArray[i]->Id() == aId )

            {

            aResource = iResourceArray[i]->DuplicateL();

            return aId;

            }

        }

    return KErrNotFound;

    }

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

// Handles resource changes, for example layout and skin changes.

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

//

void CAknResourceProvider::HandleResourceChange( TInt aType )

    {

    for ( int i = 0; i < iResourceArray.Count(); i++ )

        {

        if ( iResourceArray[i]->Invalidate( aType ) )

            {

            DeleteResourceByIndex( i );

            }

        }

    }

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

// Adds the given resource item to the resource array. If there

// exists a resource item with the same id in the array, it is first removed.

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

//

void CAknResourceProvider::SetResourceL( TUint aId, 

                                        const MAknResourceItem* aResource )

    {

    for ( int i = 0; i < iResourceArray.Count(); i++ )

        {

        if ( iResourceArray[i]->Id() == aId )

            {

            DeleteResourceByIndex( i );

            }

        }

    iResourceArray.AppendL( aResource );

    }

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

// C++ default constructor can NOT contain any code that might leave.

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

//

CAknResourceProvider::CAknResourceProvider()

    {

    // No implementation required

    }

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

// Deletes a resource item in the resource array by the specified index.

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

//

void CAknResourceProvider::DeleteResourceByIndex( TUint aIndex )

    {

    if ( aIndex < iResourceArray.Count() )

        {

        MAknResourceItem* removeItem = iResourceArray[aIndex];

        iResourceArray.Remove( aIndex );

        delete removeItem;

        }

    }