1 /*

     2 * Copyright (c) 2007 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: Implements class TFsScrollBarFactory

    15 *

    16 */

    17 

    18 

    19 

    20 #include "emailtrace.h"

    21 #include <implementationproxy.h>

    22 //<cmail> SF

    23 #include <alf/alfconstants.h>

    24 #include <alf/alflayouthandlers.h>

    25 //</cmail>

    26 #include "fsscrollbarfactory.h"

    27 #include "fsscrollbarlayouthandler.h"

    28 #include "fsscrollbarpluginconstants.h"

    29 

    30 

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

    32 

    33 MAlfExtensionFactory* Instance()

    34 	{

    35     FUNC_LOG;

    36 	TFsScrollbarFactory* me = NULL;

    37 	me = new TFsScrollbarFactory;

    38 	return me;

    39 	}

    40 

    41 

    42 const TImplementationProxy ImplementationTable[] =

    43 	{

    44 	//<cmail>

    45     IMPLEMENTATION_PROXY_ENTRY( KFsScrollbarImplementationId,

    46 	                            Instance )

    47     //</cmail>	                            

    48 	};

    49 

    50 

    51 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(

    52     TInt& aTableCount )

    53 	{

    54 	aTableCount = sizeof( ImplementationTable )

    55         / sizeof( TImplementationProxy ) ;

    56 	return ImplementationTable;

    57 	}

    58 

    59 

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

    61 

    62 // ---------------------------------------------------------------------------

    63 // From class MAlfExtensionFactory.

    64 // Creates new instace of required type (unique for factory) Must not take

    65 // ownership of created object.

    66 // ---------------------------------------------------------------------------

    67 //

    68 MAlfExtension* TFsScrollbarFactory::CreateExtensionL(

    69     const TInt aObjectId,

    70     const TDesC8& aInitialParams,

    71     MAlfInterfaceProvider& aResolver )

    72     {

    73     FUNC_LOG;

    74     MAlfExtension* result( NULL );

    75     switch ( aObjectId )

    76         {

    77         case EFsScrollbarCreateScreenLayout:

    78             {

    79             TInt2* params = ( TInt2* )aInitialParams.Ptr();

    80 

    81             CHuiControl* owner( NULL );

    82             CHuiLayout* parentLayout( NULL );

    83 

    84             if ( !params->iInt1 )

    85                 {

    86                 User::Leave( KErrArgument );

    87                 }

    88             else

    89                 {

    90                 // currently we must use concrete owner as interface does not

    91                 // provide means to transfer ownership

    92                 owner = ( CHuiControl* )aResolver.GetInterfaceL(

    93                     EHuiObjectTypeControl, params->iInt1 );

    94                 }

    95 

    96             if (params->iInt2) // not compulsory

    97                 {

    98                 parentLayout = ( CHuiLayout* )aResolver.GetInterfaceL(

    99                     EHuiObjectTypeLayout, params->iInt2 );

   100                 }

   101 

   102             result = CFsScrollbarLayoutHandler::NewL(

   103                 aResolver, owner, parentLayout );

   104             break;

   105             }

   106 

   107         default:

   108             User::Leave( KErrNotSupported );

   109         }

   110     return result;

   111     }

   112 

   113 

   114 // ---------------------------------------------------------------------------

   115 // From class MAlfExtensionFactory.

   116 // Free resources for instance, usually delete this

   117 // ---------------------------------------------------------------------------

   118 //

   119 void TFsScrollbarFactory::Release()

   120     {

   121     FUNC_LOG;

   122     delete this;

   123     }

   124