1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __MMF_HW_DEVICE_INL__

    17 #define __MMF_HW_DEVICE_INL__

    18 

    19 #include <ecom/ecom.h>

    20 

    21 

    22 /**

    23 Create a CMMFHwDevice object from .dll.

    24 Will leave if dll cannot be loaded (KErrNotFound).

    25 

    26 @param dll Implementation .dll

    27 

    28 @return an instantiated CMMFHwDevice derived object from a DLL.

    29 */

    30 inline CMMFHwDevice* CMMFHwDevice::NewL(TFileName dll)

    31 	{

    32 	RLibrary library;

    33 	User::LeaveIfError(library.Load(dll));

    34 	TLibraryFunction entry=library.Lookup(2); // 1 ponits to implementation table

    35 	CMMFHwDevice* mmfHwDevice = (CMMFHwDevice*)entry();

    36 	return mmfHwDevice;

    37 	}

    38 

    39 /**

    40  *

    41  * Destructor

    42  *

    43  */

    44 

    45 CMMFHwDevice::~CMMFHwDevice()

    46 	{

    47 	// Destroy any instance variables and then

    48 	// inform ecom that this specific

    49 	// instance of the interface has been destroyed.

    50 	REComSession::DestroyedImplementation(iDtor_ID_Key);

    51 	}

    52 

    53 /**

    54  *

    55  *	Create a CMMFHwDevice object with a known implementation Uid.

    56  *  Will leave if it is not found (KErrNotFound).

    57  *

    58  *	@param aUid   -  The Uid of a plugin implementation

    59  *

    60  *	@return An instantiated CMMFHwDevice derived object from ECom.

    61  *

    62  */

    63 inline CMMFHwDevice* CMMFHwDevice::NewL(TUid aUid)

    64 	{

    65 	CMMFHwDevice* device = REINTERPRET_CAST(CMMFHwDevice*,

    66 											REComSession::CreateImplementationL(aUid, _FOFF(CMMFHwDevice,iDtor_ID_Key)));

    67 	return device;

    68 	}

    69 

    70 #endif