1 /* |
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2 * Copyright (c) 2002 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: Implementation of CActiveApDbNotifier. |
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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 // INCLUDE FILES |
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20 |
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21 #include "ActiveApDb.h" |
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22 #include "ActiveApDbNotifier.h" |
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23 |
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24 // ================= MEMBER FUNCTIONS ======================= |
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25 |
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26 // --------------------------------------------------------- |
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27 // CActiveApDbNotifier::CActiveApDbNotifier |
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28 // --------------------------------------------------------- |
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29 // |
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30 CActiveApDbNotifier::CActiveApDbNotifier( CActiveApDb& aDb ) |
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31 : CActive( EPriorityStandard ) |
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32 { |
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33 iActiveDb = &aDb; |
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34 CActiveScheduler::Add( this ); |
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35 } |
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36 |
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37 // --------------------------------------------------------- |
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38 // CActiveApDbNotifier::~CActiveApDbNotifier |
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39 // --------------------------------------------------------- |
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40 // |
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41 CActiveApDbNotifier::~CActiveApDbNotifier() |
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42 { |
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43 Cancel(); |
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44 } |
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45 |
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46 // --------------------------------------------------------- |
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47 // CActiveApDbNotifier::RunL |
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48 // --------------------------------------------------------- |
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49 // |
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50 void CActiveApDbNotifier::RunL() |
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51 { |
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52 if ( iStatus == KErrCancel ) |
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53 { |
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54 // Do nothing. |
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55 } |
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56 else |
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57 { |
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58 // first store status, because re-schedule will be earlier |
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59 // than notifying clients. Reason: |
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60 // clients can leave but re-schedule MUST happen anyway, |
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61 // to keep the notifier alive even if any client leaves |
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62 TRequestStatus tempstatus( iStatus ); |
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63 |
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64 if ( iStatus == RDbNotifier::EClose ) |
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65 { |
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66 // Finish if the database is closed. |
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67 NotifyChange(); |
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68 } |
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69 else |
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70 { |
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71 // Reschedule automatically (as long as the database is open). |
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72 NotifyChange(); |
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73 } |
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74 // and now let clients handle their stuff... |
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75 TRAP_IGNORE( iActiveDb->HandleDbEventL( tempstatus.Int() ) ); |
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76 } |
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77 } |
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78 |
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79 |
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80 // --------------------------------------------------------- |
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81 // CActiveApDbNotifier::DoCancel |
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82 // --------------------------------------------------------- |
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83 // |
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84 void CActiveApDbNotifier::DoCancel() |
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85 { |
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86 Stop(); |
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87 } |
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88 |
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89 |
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90 // --------------------------------------------------------- |
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91 // CActiveApDbNotifier::Stop |
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92 // --------------------------------------------------------- |
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93 // |
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94 void CActiveApDbNotifier::Stop() |
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95 { |
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96 iActiveDb->Database()->CancelRequestNotification(); |
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97 } |
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98 |
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99 // --------------------------------------------------------- |
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100 // CActiveApDbNotifier::Start |
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101 // --------------------------------------------------------- |
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102 // |
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103 void CActiveApDbNotifier::Start() |
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104 { |
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105 NotifyChange(); |
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106 } |
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107 |
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108 // --------------------------------------------------------- |
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109 // CActiveApDbNotifier::NotifyChange |
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110 // --------------------------------------------------------- |
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111 // |
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112 void CActiveApDbNotifier::NotifyChange() |
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113 { |
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114 if ( !IsActive() ) |
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115 { |
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116 iActiveDb->Database()->RequestNotification( iStatus ); |
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117 SetActive(); |
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118 } |
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119 } |
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120 |
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121 // End of File |
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