/*

* Copyright (c) 2002 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:

*

*/

// INCLUDE FILES

#include "AknIconArray.h"  // This class

#include <barsread.h>       // TResourceReader

#include <fbs.h>            // CFbsBitmap

#include <gulicon.h>        // CGulIcon

#include <coemain.h>        // CCoeEnv

#include <bautils.h>

#include "avkon.hrh"

#include "AknPanic.h"

#include <AknIconUtils.h>

// LOCAL FUNCTION PROTOTYPES

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

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

EXPORT_C CAknIconArray::CAknIconArray(TInt aGranurality)

    : CArrayPtrFlat<CGulIcon>(aGranurality)

    {

    }

EXPORT_C void CAknIconArray::ConstructFromResourceL(TInt aResId)

    {

    AppendFromResourceL(aResId);

    }

EXPORT_C void CAknIconArray::ConstructFromResourceL(TResourceReader& aReader)

    {

    AppendFromResourceL(aReader);

    }

EXPORT_C CAknIconArray::~CAknIconArray()

    {

    ResetAndDestroy();

    }

EXPORT_C void CAknIconArray::AppendFromResourceL(TInt aResId)

    {

    TResourceReader reader;

    CCoeEnv::Static()->CreateResourceReaderLC(reader, aResId);

    AppendFromResourceL(reader);

    CleanupStack::PopAndDestroy();  // reader

    }

EXPORT_C void CAknIconArray::AppendFromResourceL(TResourceReader& aReader)

    {

    TInt type = aReader.ReadInt16();

    switch (type)

		{

		case EAknIconArraySimple:

		break; // go to the actual reader

		case EAknIconArrayComplex:

			{

			TInt count_a = aReader.ReadInt16();

			while(count_a-- > 0)

				{

				// recursive algorithm.	

				AppendFromResourceL(aReader);

				}

			}

			return;

		default:

		aReader.Rewind(2);

		};

    // this reads AKN_ICON_ARRAY *except* the type field!

    HBufC* bmpName = GetBmpNameLC(aReader); 

    TInt count = aReader.ReadInt16();

    SetReserveL(Count() + count);

    while (count-- > 0)

        {

        TInt32 iconId = aReader.ReadInt32();

        TInt32 maskId = aReader.ReadInt32();

    	CFbsBitmap* bitmap;

        CFbsBitmap* mask;

        AknIconUtils::CreateIconLC( bitmap, mask, *bmpName, iconId, maskId );

        CGulIcon* icon = CGulIcon::NewL(bitmap, mask);

        CleanupStack::Pop(2);  // mask, bitmap

        // Following AppendL call cannot leave due to lack of memory because 

        // of SetReserveL above. This is why there is no need to push icon

        // on the cleanup stack.

        AppendL(icon);

        }

    CleanupStack::PopAndDestroy();  // bmpName

    }

HBufC* CAknIconArray::GetBmpNameLC(TResourceReader& aReader)

    {

    HBufC* bmpName = aReader.ReadHBufCL();

    CleanupStack::PushL(bmpName);

    TBool drivePresent =

        (bmpName->Length() >= 3 &&

        (*bmpName)[1] == ':' &&

        (*bmpName)[2] == '\\' );

    RFs& fs = CCoeEnv::Static()->FsSession();

    TBool found = EFalse;

    if ( drivePresent )

        {

        found = BaflUtils::FileExists( fs, *bmpName );

        }

    // If drive letter is not specified, or not found in the specified drive,

    // FindByDir scans the drives in order E:, D:, C:, Z:

    if (!found)

        {

        TFindFile find( fs );

        if (find.FindByDir(*bmpName, KNullDesC) == KErrNone)

            {

            if (bmpName->Length() < find.File().Length())

                {

                bmpName = bmpName->ReAllocL(find.File().Length());

                CleanupStack::Pop(); // old bmpName

                CleanupStack::PushL( bmpName );

                }

            *bmpName = find.File();

            }

        }

    return bmpName;

    }

//  End of File