author | William Roberts <williamr@symbian.org> |
Tue, 16 Mar 2010 16:12:26 +0000 | |
branch | Symbian2 |
changeset 2 | 2fe1408b6811 |
child 4 | 837f303aceeb |
permissions | -rw-r--r-- |
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// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// 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 |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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|
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#ifndef __MMF_HW_DEVICE_INL__ |
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#define __MMF_HW_DEVICE_INL__ |
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|
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#include <ecom/ecom.h> |
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|
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|
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/** |
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Create a CMMFHwDevice object from .dll. |
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Will leave if dll cannot be loaded (KErrNotFound). |
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|
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@param dll Implementation .dll |
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|
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@return an instantiated CMMFHwDevice derived object from a DLL. |
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*/ |
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inline CMMFHwDevice* CMMFHwDevice::NewL(TFileName dll) |
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{ |
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RLibrary library; |
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User::LeaveIfError(library.Load(dll)); |
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TLibraryFunction entry=library.Lookup(2); // 1 ponits to implementation table |
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CMMFHwDevice* mmfHwDevice = (CMMFHwDevice*)entry(); |
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return mmfHwDevice; |
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} |
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|
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/** |
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* |
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* Destructor |
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* |
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*/ |
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|
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CMMFHwDevice::~CMMFHwDevice() |
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{ |
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// Destroy any instance variables and then |
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// inform ecom that this specific |
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// instance of the interface has been destroyed. |
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REComSession::DestroyedImplementation(iDtor_ID_Key); |
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} |
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|
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/** |
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* |
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* Create a CMMFHwDevice object with a known implementation Uid. |
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* Will leave if it is not found (KErrNotFound). |
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* |
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* @param aUid - The Uid of a plugin implementation |
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* |
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* @return An instantiated CMMFHwDevice derived object from ECom. |
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* |
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*/ |
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inline CMMFHwDevice* CMMFHwDevice::NewL(TUid aUid) |
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{ |
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CMMFHwDevice* device = REINTERPRET_CAST(CMMFHwDevice*, |
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REComSession::CreateImplementationL(aUid, _FOFF(CMMFHwDevice,iDtor_ID_Key))); |
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return device; |
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} |
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|
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#endif |