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 <ecom/implementationproxy.h>

    22 #include <alf/alfconstants.h>

    23 #include <alf/alflayouthandlers.h>

    24 #include "fsscrollbarfactory.h"

    25 #include "fsscrollbarlayouthandler.h"

    26 #include "fsscrollbarpluginconstants.h"

    27 

    28 

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

    30 

    31 MAlfExtensionFactory* Instance()

    32     {

    33     FUNC_LOG;

    34     TFsScrollbarFactory* me = NULL;

    35     me = new TFsScrollbarFactory;

    36     return me;

    37     }

    38 

    39 

    40 const TImplementationProxy ImplementationTable[] =

    41     {

    42     //<cmail>

    43     IMPLEMENTATION_PROXY_ENTRY( KFsScrollbarImplementationId,

    44                                 Instance )

    45     //</cmail>                              

    46     };

    47 

    48 

    49 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(

    50     TInt& aTableCount )

    51     {

    52     aTableCount = sizeof( ImplementationTable )

    53         / sizeof( TImplementationProxy ) ;

    54     return ImplementationTable;

    55     }

    56 

    57 

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

    59 

    60 // ---------------------------------------------------------------------------

    61 // From class MAlfExtensionFactory.

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

    63 // ownership of created object.

    64 // ---------------------------------------------------------------------------

    65 //

    66 MAlfExtension* TFsScrollbarFactory::CreateExtensionL(

    67     const TInt aObjectId,

    68     const TDesC8& aInitialParams,

    69     MAlfInterfaceProvider& aResolver )

    70     {

    71     FUNC_LOG;

    72     MAlfExtension* result( NULL );

    73     switch ( aObjectId )

    74         {

    75         case EFsScrollbarCreateScreenLayout:

    76             {

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

    78 

    79             CHuiControl* owner( NULL );

    80             CHuiLayout* parentLayout( NULL );

    81 

    82             if ( !params->iInt1 )

    83                 {

    84                 User::Leave( KErrArgument );

    85                 }

    86             else

    87                 {

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

    89                 // provide means to transfer ownership

    90                 owner = ( CHuiControl* )aResolver.GetInterfaceL(

    91                     EHuiObjectTypeControl, params->iInt1 );

    92                 }

    93 

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

    95                 {

    96                 parentLayout = ( CHuiLayout* )aResolver.GetInterfaceL(

    97                     EHuiObjectTypeLayout, params->iInt2 );

    98                 }

    99 

   100             result = CFsScrollbarLayoutHandler::NewL(

   101                 aResolver, owner, parentLayout );

   102             break;

   103             }

   104 

   105         default:

   106             User::Leave( KErrNotSupported );

   107         }

   108     return result;

   109     }

   110 

   111 

   112 // ---------------------------------------------------------------------------

   113 // From class MAlfExtensionFactory.

   114 // Free resources for instance, usually delete this

   115 // ---------------------------------------------------------------------------

   116 //

   117 void TFsScrollbarFactory::Release()

   118     {

   119     FUNC_LOG;

   120     delete this;

   121     }

   122