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1 /* |
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2 * Copyright (c) 2007-2008 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: Implements message queue handler for handling messages |
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15 * passed between VoIPAudioServices threads. |
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16 * |
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17 */ |
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18 |
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19 #include <voipaudiocommon.h> |
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20 #include "VoIPSharedData.h" |
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21 #include "VoIPQueueHandlerSrv.h" |
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22 |
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23 // ---------------------------------------------------------------------------- |
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24 // CQueueHandlerSrv::NewL |
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25 // Symbian constructor |
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26 // ---------------------------------------------------------------------------- |
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27 // |
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28 CQueueHandlerSrv* CQueueHandlerSrv::NewL(MQueueHandlerObserverSrv* aObserver, |
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29 RMsgQueue<TVoIPMsgBuf>* aMsgQueue) |
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30 { |
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31 CQueueHandlerSrv* self = new (ELeave) CQueueHandlerSrv(aMsgQueue); |
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32 CleanupStack::PushL(self); |
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33 self->ConstructL(aObserver); |
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34 CleanupStack::Pop(self); |
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35 return self; |
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36 } |
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37 |
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38 // ---------------------------------------------------------------------------- |
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39 // CQueueHandlerSrv::ConstructL |
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40 // Second phase constructor. |
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41 // ---------------------------------------------------------------------------- |
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42 // |
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43 void CQueueHandlerSrv::ConstructL(MQueueHandlerObserverSrv* aObserver) |
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44 { |
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45 iObserver = aObserver; |
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46 } |
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47 |
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48 // ---------------------------------------------------------------------------- |
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49 // CQueueHandlerSrv::~CQueueHandlerSrv |
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50 // Destructor. |
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51 // ---------------------------------------------------------------------------- |
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52 // |
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53 CQueueHandlerSrv::~CQueueHandlerSrv() |
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54 { |
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55 Cancel(); |
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56 } |
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57 |
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58 // ---------------------------------------------------------------------------- |
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59 // CQueueHandlerSrv::~CQueueHandlerSrv |
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60 // Destructor. |
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61 // ---------------------------------------------------------------------------- |
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62 // |
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63 CQueueHandlerSrv::CQueueHandlerSrv(RMsgQueue<TVoIPMsgBuf>* aMsgQueue) : |
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64 CActive(CActive::EPriorityStandard), |
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65 // CActive(CActive::EPriorityHigh), |
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66 iMsgQueue(aMsgQueue) |
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67 { |
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68 CActiveScheduler::Add(this); |
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69 } |
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70 |
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71 // ---------------------------------------------------------------------------- |
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72 // CQueueHandlerSrv::Start |
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73 // Start listening for events on queue 0. |
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74 // ---------------------------------------------------------------------------- |
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75 // |
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76 void CQueueHandlerSrv::Start() |
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77 { |
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78 if (!IsActive()) |
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79 { |
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80 iMsgQueue->NotifyDataAvailable(iStatus); |
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81 SetActive(); |
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82 } |
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83 } |
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84 |
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85 // ---------------------------------------------------------------------------- |
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86 // CQueueHandlerSrv::DoCancel |
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87 // Cancel outstanding request |
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88 // ---------------------------------------------------------------------------- |
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89 // |
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90 void CQueueHandlerSrv::DoCancel() |
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91 { |
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92 iMsgQueue->CancelDataAvailable(); |
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93 } |
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94 |
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95 // ---------------------------------------------------------------------------- |
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96 // CQueueHandlerSrv::RunL |
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97 // Process requests. |
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98 // ---------------------------------------------------------------------------- |
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99 // |
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100 void CQueueHandlerSrv::RunL() |
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101 { |
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102 TVoIPMsgBuf msgBuf; |
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103 TInt err = iMsgQueue->Receive(msgBuf); |
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104 |
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105 if (err == KErrNone) |
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106 { |
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107 iObserver->Event(msgBuf.iRequest, msgBuf.iStatus); |
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108 } |
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109 |
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110 Start(); |
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111 } |
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112 |
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113 // ---------------------------------------------------------------------------- |
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114 // CQueueHandlerSrv::RunError |
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115 // Process requests. |
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116 // ---------------------------------------------------------------------------- |
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117 // |
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118 TInt CQueueHandlerSrv::RunError(TInt aError) |
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119 { |
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120 // RunL can actually leave if any iObserver->Event leave is not trapped |
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121 // iObserver->Event(ECmdGeneralError, aError); |
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122 return aError; |
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123 } |
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124 |
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125 // ---------------------------------------------------------------------------- |
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126 // CQueueHandlerSrv::Status |
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127 // Return request status. |
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128 // ---------------------------------------------------------------------------- |
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129 // |
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130 TRequestStatus* CQueueHandlerSrv::Status() |
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131 { |
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132 return &iStatus; |
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133 } |
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134 |
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135 // End of File |