1 /*

     2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:    List utilities

    15 *

    16 */

    17 

    18 

    19 

    20 #include <glxtracer.h>                 //For logging

    21 #include <featmgr.h>

    22 #include <bldvariant.hrh>   // For feature constants

    23 

    24 #include "glxlistutils.h"

    25 

    26 // -----------------------------------------------------------------------------

    27 // NormalizedIndex

    28 // -----------------------------------------------------------------------------

    29 //

    30 TInt GlxListUtils::NormalizedIndex( TInt aIndex, TInt aListLength ) 

    31 	{

    32 	TRACER("GlxListUtils::NormalizedIndex");

    33 	

    34 	if ( 0 == aListLength ) 

    35 	    {

    36 	    return KErrNotFound;

    37 	    }

    38 	    

    39 	TInt index = aIndex % aListLength;

    40     if( index < 0 )

    41         {

    42         // sign for modulo is the same as left side

    43         // so need to add aListLength

    44         index += aListLength;

    45         }

    46         

    47 	return index;

    48 	}		

    49 

    50 // -----------------------------------------------------------------------------

    51 // VisibleItemsGranularityL

    52 // -----------------------------------------------------------------------------

    53 //

    54 TInt GlxListUtils::VisibleItemsGranularityL()

    55     {

    56     TRACER("GlxListUtils::DefaultVisibleItemsGranularityL");

    57     

    58     //TBD: In MCL 9.1/Corolla env currently the feature flags 

    59     //KFeatureIdLayout640_480 and KFeatureIdLayout480_640 are not defined

    60     //so making the default granularity as 21 instead of 15.

    61     //Need to replace with KGlxDefaultVisibleItemsGranularity after

    62     //getting the feature flag.

    63     TInt ret = KGlxVGAVisibleItemsGranularity;

    64     FeatureManager::InitializeLibL();

    65     

    66     if (FeatureManager::FeatureSupported( KFeatureIdLayout640_360_Touch ) || 

    67         FeatureManager::FeatureSupported( KFeatureIdLayout360_640_Touch ))

    68       {

    69       ret = KGlxQHDVisibleItemsGranularity;

    70       }

    71     else if(FeatureManager::FeatureSupported(KFeatureIdLayout640_480_Touch) || 

    72           FeatureManager::FeatureSupported(KFeatureIdLayout480_640_Touch) || 

    73           FeatureManager::FeatureSupported(KFeatureIdLayout640_480) || 

    74           FeatureManager::FeatureSupported(KFeatureIdLayout480_640))

    75       {

    76       ret = KGlxVGAVisibleItemsGranularity;

    77       }

    78     FeatureManager::UnInitializeLib(); 

    79     return ret;

    80     }