williamr@2: // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2: // All rights reserved.
williamr@2: // This component and the accompanying materials are made available
williamr@4: // under the terms of "Eclipse Public License v1.0"
williamr@2: // which accompanies this distribution, and is available
williamr@4: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
williamr@2: //
williamr@2: // Initial Contributors:
williamr@2: // Nokia Corporation - initial contribution.
williamr@2: //
williamr@2: // Contributors:
williamr@2: //
williamr@2: // Description:
williamr@2: //
williamr@2: 
williamr@2: #ifndef __MMF_HW_DEVICE_INL__
williamr@2: #define __MMF_HW_DEVICE_INL__
williamr@2: 
williamr@2: #include <ecom/ecom.h>
williamr@2: 
williamr@2: 
williamr@2: /**
williamr@2: Create a CMMFHwDevice object from .dll.
williamr@2: Will leave if dll cannot be loaded (KErrNotFound).
williamr@2: 
williamr@2: @param dll Implementation .dll
williamr@2: 
williamr@2: @return an instantiated CMMFHwDevice derived object from a DLL.
williamr@2: */
williamr@4: // modification to pass by reference would cause a BC break
williamr@4: // coverity[pass_by_value]
williamr@2: inline CMMFHwDevice* CMMFHwDevice::NewL(TFileName dll)
williamr@2: 	{
williamr@2: 	RLibrary library;
williamr@2: 	User::LeaveIfError(library.Load(dll));
williamr@2: 	TLibraryFunction entry=library.Lookup(2); // 1 ponits to implementation table
williamr@2: 	CMMFHwDevice* mmfHwDevice = (CMMFHwDevice*)entry();
williamr@2: 	return mmfHwDevice;
williamr@2: 	}
williamr@2: 
williamr@2: /**
williamr@2:  *
williamr@2:  * Destructor
williamr@2:  *
williamr@2:  */
williamr@2: 
williamr@2: CMMFHwDevice::~CMMFHwDevice()
williamr@2: 	{
williamr@2: 	// Destroy any instance variables and then
williamr@2: 	// inform ecom that this specific
williamr@2: 	// instance of the interface has been destroyed.
williamr@2: 	REComSession::DestroyedImplementation(iDtor_ID_Key);
williamr@2: 	}
williamr@2: 
williamr@2: /**
williamr@2:  *
williamr@2:  *	Create a CMMFHwDevice object with a known implementation Uid.
williamr@2:  *  Will leave if it is not found (KErrNotFound).
williamr@2:  *
williamr@2:  *	@param aUid   -  The Uid of a plugin implementation
williamr@2:  *
williamr@2:  *	@return An instantiated CMMFHwDevice derived object from ECom.
williamr@2:  *
williamr@2:  */
williamr@2: inline CMMFHwDevice* CMMFHwDevice::NewL(TUid aUid)
williamr@2: 	{
williamr@2: 	CMMFHwDevice* device = REINTERPRET_CAST(CMMFHwDevice*,
williamr@2: 											REComSession::CreateImplementationL(aUid, _FOFF(CMMFHwDevice,iDtor_ID_Key)));
williamr@2: 	return device;
williamr@2: 	}
williamr@2: 
williamr@2: #endif