1 /*

     2 * Copyright (c) 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:  Avkon traverse ECom plugin interface definition.  

    15 *               Implementation for ECom instantiation functionality.

    16 *

    17 */

    18 

    19 // SYSTEm INCLUDE

    20 #include <ecom/implementationinformation.h>

    21 

    22 // USER INCLUDES

    23 #include "AknTasPluginInterface.h"

    24 

    25 // Interface's (abstract base class's) static factory method implementation.

    26 // Asks ECOM plugin framework to instantiate appropriate concret plugin

    27 // implementation.

    28 inline CTasTraversePluginInterface*

    29 CTasTraversePluginInterface::NewL(const TDesC8& aTraverseObjectName, CAknTasPluginInterface * aAknTasPluginInterface )

    30     {

    31     // This NewL uses default resolver, which just compares given

    32     // aTraverseObjectName and default_data string in the implementation

    33     // resource file.

    34 

    35     // Define options, how the default resolver will find appropriate

    36     // implementation.

    37     TEComResolverParams resolverParams;

    38     resolverParams.SetDataType(aTraverseObjectName);

    39     resolverParams.SetWildcardMatch(ETrue);     // Allow wildcard matching

    40 

    41     // Find implementation for our interface.

    42     // - KTasTraversePluginInterfaceUid is the UID of our custom ECOM

    43     //   interface. It is defined in TasTraversePluginInterface.h

    44     // - This call will leave, if the plugin architecture cannot find

    45     //   implementation.

    46     // - The returned pointer points to one of our interface implementation

    47     //   instances.

    48     TAny* ptr = REComSession::CreateImplementationL(

    49         KTasTraversePluginInterfaceUid,

    50         _FOFF(CTasTraversePluginInterface,iImplementation),

    51                 // _FOFF specifies offset of iImplementation so that

    52                 // ECOM framework can update its value.

    53         resolverParams);

    54 

    55     // The type of TAny* ptr should be CTasTraversePluginInterface.

    56     CTasTraversePluginInterface* traverseInterface = REINTERPRET_CAST(CTasTraversePluginInterface*, ptr);

    57     

    58     // Set the CAknTasPluginInterface pointer

    59     traverseInterface->iAknTasPluginInterface = aAknTasPluginInterface;

    60     traverseInterface->iAknTasTraverseObjectName.Set( aTraverseObjectName);

    61    

    62     

    63     return traverseInterface;

    64     }

    65 

    66 

    67 inline CTasTraversePluginInterface::~CTasTraversePluginInterface()

    68     {

    69     REComSession::DestroyedImplementation( iImplementation );

    70     }

    71 

    72 

    73 // End of File