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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 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: Waits for request to complete |
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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 "Waiter.h" |
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20 |
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21 // ----------------------------------------------------------------------------- |
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22 // CWaiter::NewL |
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23 // |
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24 // Two-phased constructor. |
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25 // ----------------------------------------------------------------------------- |
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26 // |
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27 CWaiter* CWaiter::NewL() |
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28 { |
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29 CWaiter* self = new (ELeave) CWaiter(); |
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30 |
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31 CleanupStack::PushL( self ); |
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32 self->ConstructL(); |
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33 CleanupStack::Pop(); |
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34 |
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35 return self; |
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36 } |
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37 // ----------------------------------------------------------------------------- |
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38 // CWaiter::CWaiter |
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39 // |
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40 // C++ default constructor can NOT contain any code, that |
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41 // might leave. |
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42 // ----------------------------------------------------------------------------- |
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43 // |
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44 CWaiter::CWaiter() |
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45 :CActive( EPriorityStandard ) |
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46 { |
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47 CActiveScheduler::Add( this ); |
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48 } |
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49 |
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50 // ----------------------------------------------------------------------------- |
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51 // CWaiter::ConstructL |
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52 // |
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53 // Symbian 2nd phase constructor can leave. |
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54 // ----------------------------------------------------------------------------- |
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55 // |
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56 void CWaiter::ConstructL() |
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57 { |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // CWaiter::~CWaiter |
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62 // |
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63 // Deconstructor. |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 CWaiter::~CWaiter() |
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67 { |
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68 Cancel(); |
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69 } |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 // CWaiter::Wait |
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73 // |
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74 // Waits till request gets completed |
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75 // ----------------------------------------------------------------------------- |
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76 // |
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77 TInt CWaiter::Wait() |
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78 { |
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79 iStatus = KRequestPending; |
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80 iIsWaiting = ETrue; |
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81 SetActive(); |
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82 iSyncWait.Start(); |
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83 return iStatus.Int(); |
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84 } |
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85 |
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86 // ----------------------------------------------------------------------------- |
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87 // CWaiter::RunL |
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88 // |
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89 // RunL |
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90 // ----------------------------------------------------------------------------- |
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91 // |
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92 void CWaiter::RunL() |
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93 { |
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94 if( iSyncWait.IsStarted() ) |
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95 { |
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96 iSyncWait.AsyncStop(); |
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97 } |
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98 } |
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99 |
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100 // ----------------------------------------------------------------------------- |
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101 // CWaiter::DoCancel |
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102 // |
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103 // DoCancel |
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104 // ----------------------------------------------------------------------------- |
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105 // |
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106 void CWaiter::DoCancel() |
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107 { |
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108 RequestComplete(KErrCancel); |
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109 } |
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110 |
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111 // ----------------------------------------------------------------------------- |
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112 // CWaiter::RequestComplete |
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113 // |
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114 // RequestComplete |
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115 // ----------------------------------------------------------------------------- |
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116 // |
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117 TBool CWaiter::RequestComplete(TInt aStatus) |
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118 { |
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119 if(iIsWaiting) |
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120 { |
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121 TRequestStatus *status = &iStatus; |
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122 User::RequestComplete(status, aStatus); |
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123 iIsWaiting = EFalse; |
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124 return ETrue; |
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125 } |
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126 return EFalse; |
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127 } |