1 /* |
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2 * Copyright (c) 2008 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: Notifier class for any change in Storage API database. |
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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 C_EVTDBNOTIFIER_H |
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20 #define C_EVTDBNOTIFIER_H |
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21 |
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22 // System Includes |
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23 |
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24 // System Includes |
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25 #include <e32base.h> |
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26 |
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27 // User Includes |
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28 |
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29 // User Includes |
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30 #include "evtdbobserver.h" |
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31 #include "evtstoragedbobserver.h" |
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32 #include "evtstoragedomaincrkeys.h" |
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33 |
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34 // Forward Declarations |
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35 class CRepository; |
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36 |
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37 // extern data types |
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38 |
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39 // global Functions |
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40 |
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41 // constants go here |
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42 |
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43 /** |
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44 * Class that monitors Storage Database for any change. |
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45 * This class requests for any change in the Stroage database. |
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46 * |
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47 * @lib evtstorage.lib |
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48 * @since S60 v9.1 |
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49 */ |
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50 class CEvtDbNotifier : public CActive |
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51 { |
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52 public: |
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53 /** |
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54 * Constructs a new instance of Event Notifier. |
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55 * |
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56 * @return The new instance of Event Notifier. |
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57 * @leave System wide error code if the object creation fails. |
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58 */ |
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59 static CEvtDbNotifier* NewL( MEvtDbObserver& aObserver ); |
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60 |
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61 /** |
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62 * Constructs a new instance of Event Notifier. |
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63 * Leaves the created instance on the cleanup stack. |
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64 * |
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65 * @return The new instance of Event Notifier object. |
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66 * @leave System wide error code if the object creation fails. |
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67 */ |
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68 static CEvtDbNotifier* NewLC( MEvtDbObserver& aObserver ); |
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69 |
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70 /** |
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71 * Destructor |
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72 */ |
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73 virtual ~CEvtDbNotifier (); |
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74 |
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75 /** |
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76 * Observer for TDbChangeType changes in Storage Database. |
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77 */ |
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78 void DbChangedL( ); |
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79 |
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80 // Inherited from CActive |
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81 void RunL(); |
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82 |
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83 void DoCancel(); |
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84 |
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85 TInt RunError( TInt aError ); |
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86 |
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87 private: |
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88 /** |
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89 * Handle any change to database. |
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90 */ |
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91 void HandleDbChangedL( ); |
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92 |
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93 /** |
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94 * Request to get database notifications on change. |
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95 */ |
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96 void StartNotification(); |
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97 |
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98 /** |
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99 * Default C++ Constructor. |
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100 */ |
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101 CEvtDbNotifier( MEvtDbObserver& aObserver ); |
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102 |
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103 /** |
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104 * Second phase of the two phase constructor. |
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105 */ |
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106 void ConstructL(); |
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107 |
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108 private: // data |
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109 |
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110 /** |
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111 * Reference to Observer |
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112 * Does Not own |
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113 */ |
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114 MEvtDbObserver& iDbObserver; |
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115 |
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116 /** |
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117 * CRepository Instance |
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118 */ |
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119 CRepository* iRepository; |
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120 |
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121 }; |
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122 |
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123 #endif // C_EVTDBNOTIFIER_H |
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