/*

* Copyright (c) 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:  Contains icon configuration information.

*

*/

#include <centralrepository.h>

#include "aknssrviconconfigmap.h"

// @todo - we should get this from somewhere.

const TUid KUidIconCaptionRepository = { 0x1028583d };

// Highest 8 bit tell the application number which has been configured.

// This is basically a running series, starting from zero.

const TUint32 KAknsSrvAppBits =      0xFF000000;

// Lowest 16 bits tell the language variant strings and icons.

const TUint32 KAknsSrvLanguageBits = 0x0000FFFF;

// Partial key to find the configured apps.

const TUint32 KAknsSrvUidKey  =      0x00FFFFFF;

// How many icons have been configured for this application.

const TUint8 KAknsSrvIconCount = 0x02;

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

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

// Symbian 1st phase constructor.

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

//

CAknsSrvIconConfigMap* CAknsSrvIconConfigMap::NewL()

    {

    CAknsSrvIconConfigMap* self = new( ELeave ) CAknsSrvIconConfigMap;

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Destructor

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

//

CAknsSrvIconConfigMap::~CAknsSrvIconConfigMap()

    {

    DeleteCurrentIconMap();

    }

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

// Checks if the given application UID is found from array.

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

//

void CAknsSrvIconConfigMap::IsIconConfiguredL(

    TUid aApplicationUid, TBool& aIsConfigured )

    {

    if ( iCurrentLanguage != User::Language() )

        {

        CreateAndParseRepositoryL();

        }

    TInt found = iAppUidArray.Find( aApplicationUid.iUid );

    if ( found == KErrNotFound )

        {

        aIsConfigured = EFalse;

        }

    else

        {

        aIsConfigured = ETrue;

        }

    }

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

// Destroys the application array.

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

//    

void CAknsSrvIconConfigMap::DeleteCurrentIconMap()

    {

    iAppUidArray.Reset();

    iAppUidArray.Close();

    }

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

// Reads and parses cenrep configuration file.

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

//    

void CAknsSrvIconConfigMap::ReadAndParseConfigFileL( CRepository* aRepository )

    {

    DeleteCurrentIconMap();

	RArray<TUint32> appUidKeys;

	CleanupClosePushL( appUidKeys );

	// Find all appUID keys that have been configured.

	// error ignored, array is empty in error cases

	aRepository->FindL( KAknsSrvUidKey, ~KAknsSrvAppBits, appUidKeys );

	TInt appCount = appUidKeys.Count();

	for (TInt appIndex = 0; appIndex < appCount; appIndex++)

		{

		TUint32 key = appUidKeys[appIndex];

		TInt appUidVal = 0;

        User::LeaveIfError( aRepository->Get( key, appUidVal ) );

        RArray<TUint32> applicationKeys;

        // error ignored, array is empty in error cases

        // Find all configuration keys for this appUid.

        aRepository->FindL( key, KAknsSrvAppBits, applicationKeys );

        TInt appKeyCount = applicationKeys.Count();

	    for (TInt appKeyIndex = 0; appKeyIndex < appKeyCount; appKeyIndex++)

		    {		    

		    // Each application might have the following configured for each language

		    //  - [0..1] short caption (bits 32..25)

		    //  - [0..1] long caption (bits 24..17)

		    //  - [0..1] number of icons (bits 16..9)

		    //  - [0..n] path of icon filename (bits 8..1)

		    TUint32 applicationConfigKey = applicationKeys[appKeyIndex];

		    TUint8 iconNumberblock = applicationConfigKey >> 16;

		    if ( iconNumberblock == KAknsSrvIconCount )

		        {

		        TLanguage language = 

		            static_cast<TLanguage>(applicationConfigKey & KAknsSrvLanguageBits);

		        TInt noOfIcons = 0;

		        User::LeaveIfError( aRepository->Get( applicationConfigKey, noOfIcons ) );

		        if ( (noOfIcons > 0 ) && language == iCurrentLanguage )

		            {

		            iAppUidArray.Append( appUidVal );

		            break; // once appUid has been added, we can skip to next app.

		            }

		        }		   

		    }

		}

    iAppUidArray.Sort();

	CleanupStack::PopAndDestroy(&appUidKeys);

    }

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

// Creates, reads and parses central repository.

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

//

void CAknsSrvIconConfigMap::CreateAndParseRepositoryL()

    {

    CRepository* iconRepository = CRepository::NewLC( KUidIconCaptionRepository );

    ReadAndParseConfigFileL( iconRepository );

    CleanupStack::PopAndDestroy( iconRepository );

    }

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

// C++ constructor.

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

//

CAknsSrvIconConfigMap::CAknsSrvIconConfigMap()

    {

    iCurrentLanguage = User::Language();

    }

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

// Symbian second phase constructor.

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

//

void CAknsSrvIconConfigMap::ConstructL()

    {

    TRAP_IGNORE( CreateAndParseRepositoryL() );

    }

// End of file