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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 |
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35 class CUserAfter : public CTimer |
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36 { |
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37 |
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38 public: //Construction |
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39 static inline CUserAfter* NewL(); |
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40 static inline CUserAfter* NewLC(); |
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41 ~CUserAfter(); |
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42 |
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43 |
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44 public: //Wait support |
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45 |
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46 /** |
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47 * Static "one shot" wait method. |
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48 */ |
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49 static inline void AfterL ( TInt aWaitTimeMicroSeconds ); |
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50 |
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51 /** |
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52 * Member wait method. |
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53 */ |
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54 inline void After ( TInt aWaitTimeMicroSeconds ); |
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55 |
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56 |
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57 private: |
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58 CUserAfter(); |
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59 |
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60 void RunL(); |
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61 void RunError(); |
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62 void DoCancel(); |
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63 |
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64 |
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65 private: //data |
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66 |
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67 /** |
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68 * ActiveSchedulerWait |
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69 * Own |
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70 */ |
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71 CActiveSchedulerWait iWait; |
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72 |
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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 |
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78 // ----------------------------------------------------------------------------- |
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79 // CUserAfter public functions |
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80 // ----------------------------------------------------------------------------- |
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81 // |
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82 inline CUserAfter* CUserAfter::NewL() |
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83 { |
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84 CUserAfter* self = CUserAfter::NewLC(); |
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85 CleanupStack::Pop ( self ); |
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86 return self; |
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87 } |
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88 |
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89 inline CUserAfter* CUserAfter::NewLC() |
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90 { |
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91 CUserAfter* self = new ( ELeave ) CUserAfter(); |
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92 CleanupStack::PushL ( self ); |
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93 self->ConstructL(); |
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94 return self; |
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95 } |
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96 |
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97 |
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98 inline CUserAfter::~CUserAfter() |
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99 { |
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100 CTimer::Cancel(); |
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101 } |
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102 |
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103 inline void CUserAfter::After ( TInt aWaitTimeMicroSeconds ) |
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104 { |
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105 CTimer::After ( aWaitTimeMicroSeconds ); |
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106 iWait.Start(); |
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107 } |
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108 |
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109 |
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110 inline void CUserAfter::AfterL ( TInt aWaitTimeMicroSeconds ) |
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111 { |
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112 CUserAfter* after = CUserAfter::NewL(); |
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113 after->After ( aWaitTimeMicroSeconds ); |
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114 delete after; |
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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 // ----------------------------------------------------------------------------- |
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120 // CUserAfter private functions |
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121 // ----------------------------------------------------------------------------- |
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122 // |
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123 inline CUserAfter::CUserAfter() |
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124 : CTimer ( CActive::EPriorityStandard ) |
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125 { |
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126 CActiveScheduler::Add ( this ); |
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127 } |
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128 |
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129 |
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130 inline void CUserAfter::RunL() |
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131 { |
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132 iWait.AsyncStop(); |
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133 Cancel(); |
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134 } |
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135 |
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136 inline void CUserAfter::RunError() |
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137 { |
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138 } |
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139 |
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140 inline void CUserAfter::DoCancel() |
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141 { |
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142 iWait.AsyncStop(); |
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143 CTimer::DoCancel(); |
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144 } |
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145 |
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146 |
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147 #endif // CUSERAFTER_H__ |
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148 |
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149 // End of File |
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150 |