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1 /* |
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2 * Copyright (c) 2005-2007 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: Observer interfaces for asynchronous operations |
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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 VPBKOPERATIONOBSERVER_H |
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20 #define VPBKOPERATIONOBSERVER_H |
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21 |
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22 // INCLUDES |
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23 #include <e32base.h> |
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24 |
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25 class MVPbkContactOperationBase; |
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26 // CLASS DECLARATION |
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27 |
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28 /** |
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29 * An observer for asynchronous operations that do not return anything. |
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30 */ |
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31 class MVPbkOperationObserver |
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32 { |
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33 public: |
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34 |
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35 /** |
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36 * The operation was completed succesfully. |
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37 * |
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38 * @param aOperation operation handle |
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39 */ |
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40 virtual void VPbkOperationCompleted( |
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41 MVPbkContactOperationBase* aOperation ) = 0; |
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42 |
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43 protected: |
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44 /* Destroying via this interface is not allowed */ |
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45 ~MVPbkOperationObserver(){} |
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46 }; |
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47 |
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48 /** |
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49 * An observer for asynchronous operations |
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50 * that return result of ResultType type. |
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51 */ |
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52 template<typename ResultType> |
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53 class MVPbkOperationResultObserver |
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54 { |
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55 public: |
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56 |
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57 /** |
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58 * The operation was completed succesfully. |
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59 * |
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60 * @param aOperation operation handle |
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61 * @param aOperationResult operation result |
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62 */ |
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63 virtual void VPbkOperationResultCompleted( |
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64 MVPbkContactOperationBase* aOperation, |
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65 ResultType aOperationResult ) = 0; |
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66 |
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67 protected: |
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68 /* Destroying via this interface is not allowed */ |
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69 ~MVPbkOperationResultObserver(){} |
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70 }; |
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71 |
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72 /** |
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73 * An observer for asynchronous operations |
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74 * to receive error notifications when an operation fails. |
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75 */ |
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76 class MVPbkOperationErrorObserver |
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77 { |
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78 public: |
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79 |
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80 /** |
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81 * An error occured in the operation that was requested. |
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82 * |
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83 * @param aOperation operation handle |
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84 * @param aError Operation error code. |
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85 */ |
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86 virtual void VPbkOperationFailed( |
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87 MVPbkContactOperationBase* aOperation, |
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88 TInt aError ) = 0; |
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89 |
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90 protected: |
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91 /* Destroying via this interface is not allowed */ |
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92 ~MVPbkOperationErrorObserver(){} |
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93 }; |
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94 |
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95 #endif //VPBKOPERATIONOBSERVER_H |
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96 //End of file |