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1 /* |
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2 * Copyright (c) 2005 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: Active object based wait. |
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15 * |
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16 */ |
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17 |
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18 #ifndef CUSERAFTER_H__ |
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19 #define CUSERAFTER_H__ |
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20 |
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21 // INCLUDES |
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22 #include <E32base.h> |
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23 |
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24 |
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25 // CLASS DESCRIPTION |
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26 |
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27 /** |
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28 * Active object based wait. |
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29 * |
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30 * Similar like User::After() but doesn't block |
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31 * whole thread, but current RunL() with |
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32 * CActiveSchedulerWait. |
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33 */ |
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34 class CUserAfter : public CTimer |
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35 { |
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36 public: //Construction |
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37 static inline CUserAfter* NewL(); |
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38 static inline CUserAfter* NewLC(); |
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39 ~CUserAfter(); |
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40 |
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41 |
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42 public: //Wait support |
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43 |
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44 /** |
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45 * Static "one shot" wait method. |
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46 */ |
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47 static inline void AfterL( TInt aWaitTimeMicroSeconds ); |
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48 static inline void AfterSecondsL( TInt aWaitTimeSeconds ); |
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49 |
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50 /** |
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51 * Member wait method. |
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52 */ |
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53 inline void After( TInt aWaitTimeMicroSeconds ); |
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54 |
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55 |
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56 private: |
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57 CUserAfter(); |
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58 |
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59 void RunL(); |
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60 void RunError(); |
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61 void DoCancel(); |
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62 |
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63 |
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64 private: //data |
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65 CActiveSchedulerWait iWait; |
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66 |
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67 }; |
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68 |
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69 |
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70 |
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71 |
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72 // ----------------------------------------------------------------------------- |
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73 // CUserAfter public functions |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 inline CUserAfter* CUserAfter::NewL() |
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77 { |
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78 CUserAfter* self = CUserAfter::NewLC(); |
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79 CleanupStack::Pop( self ); |
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80 return self; |
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81 } |
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82 |
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83 inline CUserAfter* CUserAfter::NewLC() |
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84 { |
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85 CUserAfter* self = new (ELeave) CUserAfter(); |
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86 CleanupStack::PushL( self ); |
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87 self->ConstructL(); |
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88 return self; |
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89 } |
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90 |
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91 |
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92 inline CUserAfter::~CUserAfter() |
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93 { |
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94 CTimer::Cancel(); |
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95 } |
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96 |
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97 inline void CUserAfter::After( TInt aWaitTimeMicroSeconds ) |
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98 { |
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99 CTimer::After( aWaitTimeMicroSeconds ); |
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100 iWait.Start(); |
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101 } |
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102 |
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103 |
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104 inline void CUserAfter::AfterL( TInt aWaitTimeMicroSeconds ) |
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105 { |
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106 CUserAfter* after = CUserAfter::NewL(); |
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107 after->After( aWaitTimeMicroSeconds ); |
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108 delete after; |
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109 } |
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110 |
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111 |
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112 inline void CUserAfter::AfterSecondsL( TInt aWaitTimeSeconds ) |
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113 { |
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114 CUserAfter* after = CUserAfter::NewL(); |
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115 after->After( aWaitTimeSeconds * 1000000 ); |
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116 delete after; |
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117 } |
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118 |
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119 |
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120 // ----------------------------------------------------------------------------- |
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121 // CUserAfter private functions |
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122 // ----------------------------------------------------------------------------- |
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123 // |
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124 inline CUserAfter::CUserAfter() |
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125 : CTimer( CActive::EPriorityStandard ) |
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126 { |
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127 CActiveScheduler::Add( this ); |
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128 } |
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129 |
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130 |
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131 inline void CUserAfter::RunL() |
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132 { |
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133 iWait.AsyncStop(); |
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134 Cancel(); |
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135 } |
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136 |
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137 inline void CUserAfter::RunError() |
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138 { |
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139 } |
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140 |
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141 inline void CUserAfter::DoCancel() |
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142 { |
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143 iWait.AsyncStop(); |
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144 CTimer::DoCancel(); |
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145 } |
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146 |
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147 |
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148 #endif // CUSERAFTER_H__ |
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149 |
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150 // End of File |
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151 |