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1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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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 |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #ifndef __MMF_HW_DEVICE_INL__ |
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17 #define __MMF_HW_DEVICE_INL__ |
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18 |
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19 #include <ecom/ecom.h> |
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20 |
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21 |
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22 /** |
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23 Create a CMMFHwDevice object from .dll. |
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24 Will leave if dll cannot be loaded (KErrNotFound). |
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25 |
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26 @param dll Implementation .dll |
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27 |
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28 @return an instantiated CMMFHwDevice derived object from a DLL. |
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29 */ |
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30 inline CMMFHwDevice* CMMFHwDevice::NewL(TFileName dll) |
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31 { |
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32 RLibrary library; |
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33 User::LeaveIfError(library.Load(dll)); |
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34 TLibraryFunction entry=library.Lookup(2); // 1 ponits to implementation table |
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35 CMMFHwDevice* mmfHwDevice = (CMMFHwDevice*)entry(); |
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36 return mmfHwDevice; |
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37 } |
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38 |
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39 /** |
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40 * |
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41 * Destructor |
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42 * |
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43 */ |
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44 |
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45 CMMFHwDevice::~CMMFHwDevice() |
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46 { |
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47 // Destroy any instance variables and then |
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48 // inform ecom that this specific |
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49 // instance of the interface has been destroyed. |
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50 REComSession::DestroyedImplementation(iDtor_ID_Key); |
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51 } |
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52 |
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53 /** |
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54 * |
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55 * Create a CMMFHwDevice object with a known implementation Uid. |
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56 * Will leave if it is not found (KErrNotFound). |
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57 * |
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58 * @param aUid - The Uid of a plugin implementation |
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59 * |
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60 * @return An instantiated CMMFHwDevice derived object from ECom. |
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61 * |
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62 */ |
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63 inline CMMFHwDevice* CMMFHwDevice::NewL(TUid aUid) |
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64 { |
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65 CMMFHwDevice* device = REINTERPRET_CAST(CMMFHwDevice*, |
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66 REComSession::CreateImplementationL(aUid, _FOFF(CMMFHwDevice,iDtor_ID_Key))); |
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67 return device; |
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68 } |
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69 |
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70 #endif |