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1 /* |
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2 * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * Interface definition for SWI Observer ECOM plug-in. |
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16 * |
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17 */ |
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18 |
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19 |
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20 /** |
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21 @file |
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22 @internalTechnology |
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23 @released |
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24 */ |
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25 |
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26 #ifndef SWIOBSERVERPLUGIN_H |
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27 #define SWIOBSERVERPLUGIN_H |
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28 |
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29 #include <e32base.h> |
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30 #include <ecom/ecom.h> |
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31 |
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32 #include <swi/swiobcommon.h> |
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33 #include <swi/swiobservedinfo.h> |
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34 |
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35 namespace Swi |
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36 { |
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37 /** |
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38 Abstract base class for a SWI Observer ECOM plug-in. |
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39 |
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40 SWI Observer plug-ins are primarily responsible for submitting SWI event |
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41 notifications to the related system server asynchronously. This |
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42 interface allows components to register their interest in SWI events. |
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43 System servers which wish to register to the SWI Observer implement |
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44 a concrete class derived from this abstract class. |
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45 */ |
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46 class CSwiObserverPlugin : public CActive |
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47 { |
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48 public: |
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49 IMPORT_C static CSwiObserverPlugin* NewL( const TUid& aImplementationId); |
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50 |
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51 virtual void StartL(RFs& aFs) = 0; |
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52 virtual void NextObservedHeaderL(const CObservationHeader& aHeader, TRequestStatus& aStatus) = 0; |
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53 virtual void NextObservedDataL(const CObservationData& aData, TInt aFilterIndex, TRequestStatus& aStatus) = 0; |
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54 virtual void FinalizeL(TRequestStatus& aStatus) = 0; |
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55 virtual CObservationFilter* GetFilterL() const = 0; |
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56 |
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57 IMPORT_C virtual TInt GetExtension(TUint aExtensionId, TAny*& a0, TAny* a1); |
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58 |
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59 IMPORT_C ~CSwiObserverPlugin(); |
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60 |
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61 protected: |
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62 IMPORT_C CSwiObserverPlugin(); |
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63 IMPORT_C virtual TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1); |
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64 |
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65 private: |
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66 TUid iDtor_ID_Key; // Required by ECOM |
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67 TAny* iReserved; |
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68 }; |
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69 |
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70 /** Hosting the SWI Observer Plugin Interface UID. */ |
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71 const TUid KUidSwiObserverPluginInterface = {0x10283724}; |
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72 |
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73 } // End of namespace Swi |
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74 |
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75 #endif |
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76 |
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77 |