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1 /* |
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2 * Copyright (c) 2006 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 "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: Definition of MNcdSubscriptionOperationObserver interface |
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15 * |
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16 */ |
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17 |
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18 |
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19 #ifndef M_NCDSUBSCRIPTIONOPERATIONOBSERVER_H |
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20 #define M_NCDSUBSCRIPTIONOPERATIONOBSERVER_H |
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21 |
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22 class MNcdSubscriptionOperation; |
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23 class TNcdProgress; |
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24 class MNcdQuery; |
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25 |
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26 /** |
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27 * Observer interface for subscription operations. |
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28 * |
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29 * Subscription operation users should implement this interface to be able to |
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30 * receive callbacks. |
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31 */ |
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32 class MNcdSubscriptionOperationObserver |
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33 { |
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34 |
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35 public: |
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36 |
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37 /** |
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38 * Called when a subscription operation has progressed. |
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39 * |
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40 * @param aOperation The operation that sent the event. |
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41 * @param aProgress Progress of the operation. |
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42 */ |
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43 virtual void SubscriptionProgress( MNcdSubscriptionOperation& aOperation, |
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44 TNcdProgress aProgress ) = 0; |
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45 |
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46 /** |
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47 * Called when a query has been received for an operation. |
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48 * |
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49 * @param aOperation The operation that sent the event. |
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50 * @param aQuery Pointer to the query object. Counted, Release() must be |
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51 * called after use. |
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52 */ |
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53 virtual void QueryReceived( MNcdSubscriptionOperation& aOperation, |
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54 MNcdQuery* aQuery ) = 0; |
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55 |
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56 /** |
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57 * Called when an operation has been completed. |
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58 * |
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59 * @param aOperation The operation that sent the event. |
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60 * @param aError Error code for operation completion. KErrNone for |
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61 * successful completion, otherwise a system wide error code. |
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62 */ |
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63 virtual void OperationComplete( MNcdSubscriptionOperation& aOperation, |
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64 TInt aError ) = 0; |
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65 }; |
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66 |
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67 #endif // M_NCDSUBSCRIPTIONOPERATIONOBSERVER_H |