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1 /* |
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2 * Copyright (c) 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 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 * |
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16 */ |
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17 |
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18 |
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19 #ifndef __ASYNCREQOBSERVER_H |
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20 #define __ASYNCREQOBSERVER_H |
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21 |
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22 |
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23 /** |
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24 * Structure for storing transaction id and associated active object. |
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25 */ |
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26 struct TAsyncRequestInfo |
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27 { |
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28 |
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29 /** |
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30 * TransactionId |
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31 */ |
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32 TInt32 iTransactionId; |
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33 |
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34 /** |
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35 * Active object pointer |
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36 */ |
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37 CCalendarASyncRequest* iAsyncObj; |
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38 }; |
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39 |
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40 |
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41 /** |
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42 * Class used to get callback notification from async request module |
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43 * about completion of request. |
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44 */ |
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45 class CAsyncRequestObserver : public CBase |
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46 { |
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47 public: |
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48 |
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49 /** |
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50 * Two-Phase Constructor |
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51 */ |
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52 static CAsyncRequestObserver* NewL(); |
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53 |
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54 /** |
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55 * Destructor |
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56 */ |
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57 ~CAsyncRequestObserver(); |
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58 |
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59 /** |
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60 * Notifies about the completeion of an async request |
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61 * @param aTransactionId TransactionId of Asynchronous request object |
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62 * @return void |
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63 */ |
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64 void RequestComplete( const TInt32 aTransactionId ); |
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65 |
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66 /** |
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67 * Cancels asynchronous request |
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68 * @param aTransactionId asynchronous transaction id |
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69 * @param aResult error code |
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70 */ |
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71 TInt Cancel( const TInt32 aTransectionID ); |
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72 |
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73 /** |
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74 * Adds asynchronous request object |
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75 * @param aTransactionId Transcation Id os Async object |
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76 * @param aAsyncObj Async object |
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77 */ |
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78 void AddAsyncObjL( const TInt32 aTransactionId, CCalendarASyncRequest* aAsyncObj ); |
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79 |
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80 private: |
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81 /** |
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82 * Deletes all the Asynchronous request objects |
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83 */ |
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84 void DeleteAsyncObjects(); |
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85 |
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86 |
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87 private: |
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88 |
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89 /** |
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90 * Contains handles of all asynchronous requests |
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91 */ |
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92 RArray<TAsyncRequestInfo> iAsyncObjArray; |
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93 |
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94 }; |
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95 |
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96 |
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97 |
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98 #endif __ASYNCREQOBSERVER_H |