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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: |
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15 * Implementation for the CDosEventNotifier class. |
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16 * |
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17 */ |
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18 |
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19 |
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20 #include "DosSvrServices.h" |
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21 |
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22 // |
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23 // --------------------------------------------------------- |
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24 // CDosEventNotifier Constructor |
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25 // --------------------------------------------------------- |
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26 // |
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27 |
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28 CDosEventNotifier::CDosEventNotifier(CDosEventListenerBase* aListener,TPriority aPriority) |
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29 : CActive(aPriority) |
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30 { |
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31 CActiveScheduler::Add(this); |
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32 iListener = aListener; |
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33 } |
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34 |
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35 // |
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36 // --------------------------------------------------------- |
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37 // CDosEventNotifier Destructor |
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38 // --------------------------------------------------------- |
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39 // |
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40 |
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41 CDosEventNotifier::~CDosEventNotifier() |
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42 { |
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43 Cancel(); |
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44 iReceiver.Close(); |
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45 } |
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46 |
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47 // |
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48 // --------------------------------------------------------- |
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49 // CDosEventNotifier::NewL |
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50 // --------------------------------------------------------- |
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51 // |
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52 |
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53 CDosEventNotifier* CDosEventNotifier::NewL(RDosServer& aServer,CDosEventListenerBase* aListener) |
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54 { |
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55 CDosEventNotifier* result = new(ELeave) CDosEventNotifier(aListener); |
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56 |
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57 CleanupStack::PushL(result); |
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58 result->ConstructL(aServer); |
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59 CleanupStack::Pop(); |
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60 |
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61 return result; |
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62 } |
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63 |
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64 // |
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65 // --------------------------------------------------------- |
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66 // CDosEventNotifier::ConstructL |
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67 // --------------------------------------------------------- |
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68 // |
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69 |
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70 void CDosEventNotifier::ConstructL(RDosServer& aServer) |
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71 { |
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72 User::LeaveIfError(iReceiver.Open(aServer)); |
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73 } |
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74 |
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75 // |
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76 // --------------------------------------------------------- |
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77 // CDosEventNotifier::RunL |
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78 // --------------------------------------------------------- |
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79 // |
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80 |
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81 void CDosEventNotifier::RunL() |
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82 { |
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83 if(iStatus.Int()==KErrNone) |
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84 { |
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85 TRegisterEvent currentEvent = {iReceiver.Event(),iReceiver.ParameterSize(),iReceiver.Queue()}; |
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86 |
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87 iListener->HandleEventL(currentEvent,/*par*/ iReceiver.Parameter()); |
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88 |
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89 iReceiver.WaitEvent(iStatus); |
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90 SetActive(); |
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91 } |
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92 else |
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93 User::Leave(iStatus.Int()); |
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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 // CDosEventNotifier::RunError |
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99 // --------------------------------------------------------- |
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100 // |
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101 |
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102 TInt CDosEventNotifier::RunError(TInt aError) |
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103 { |
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104 TBool stopListening = EFalse; |
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105 |
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106 iListener->OnError(aError,stopListening); |
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107 |
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108 if(aError!=KErrServerTerminated && !stopListening) |
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109 { |
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110 iReceiver.WaitEvent(iStatus); |
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111 SetActive(); |
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112 } |
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113 |
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114 return KErrNone; |
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115 } |
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116 |
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117 // |
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118 // --------------------------------------------------------- |
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119 // CDosEventNotifier::DoCancel |
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120 // --------------------------------------------------------- |
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121 // |
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122 |
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123 void CDosEventNotifier::DoCancel() |
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124 { |
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125 iReceiver.CancelWaitEvent(); |
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126 iReceiver.UnRegister(); // No need to check if it's registered or not. |
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127 } |
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128 |
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129 // |
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130 // --------------------------------------------------------- |
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131 // CDosEventNotifier::StartListeningL |
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132 // --------------------------------------------------------- |
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133 // |
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134 |
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135 void CDosEventNotifier::StartListeningL(TUint aEvent,TInt aParamSize,TQueueType aQueue) |
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136 { |
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137 User::LeaveIfError(iReceiver.Register(aEvent,aParamSize,aQueue)); |
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138 iReceiver.WaitEvent(iStatus); |
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139 |
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140 SetActive(); |
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141 } |
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142 |
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143 |