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 * Static "one shot" wait method. |
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52 */ |
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53 static inline void After8HrsL (); |
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54 |
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55 /** |
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56 * Member wait method. |
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57 */ |
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58 inline void After ( TInt aWaitTimeMicroSeconds ); |
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59 |
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60 |
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61 private: |
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62 CUserAfter(); |
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63 |
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64 void RunL(); |
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65 void RunError(); |
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66 void DoCancel(); |
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67 |
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68 |
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69 private: //data |
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70 CActiveSchedulerWait iWait; |
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71 |
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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 // CUserAfter public functions |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 inline CUserAfter* CUserAfter::NewL() |
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82 { |
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83 CUserAfter* self = CUserAfter::NewLC(); |
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84 CleanupStack::Pop ( self ); |
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85 return self; |
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86 } |
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87 |
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88 inline CUserAfter* CUserAfter::NewLC() |
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89 { |
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90 CUserAfter* self = new ( ELeave ) CUserAfter(); |
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91 CleanupStack::PushL ( self ); |
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92 self->ConstructL(); |
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93 return self; |
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94 } |
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95 |
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96 |
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97 inline CUserAfter::~CUserAfter() |
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98 { |
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99 CTimer::Cancel(); |
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100 } |
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101 |
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102 inline void CUserAfter::After ( TInt aWaitTimeMicroSeconds ) |
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103 { |
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104 CTimer::After ( aWaitTimeMicroSeconds ); |
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105 iWait.Start(); |
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106 } |
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107 |
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108 |
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109 inline void CUserAfter::AfterL ( TInt aWaitTimeMicroSeconds ) |
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110 { |
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111 CUserAfter* after = CUserAfter::NewL(); |
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112 after->After ( aWaitTimeMicroSeconds ); |
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113 delete after; |
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114 } |
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115 |
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116 inline void CUserAfter::After8HrsL ( ) |
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117 { |
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118 CUserAfter* after = CUserAfter::NewL(); |
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119 //aWaitTimeMicroSeconds range is +-2147483647, which is +-35 minutes, 47 seconds. |
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120 for(TInt i =0 ; i<=16 ; i++) |
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121 { |
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122 after->After ( 2147483647 ); |
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123 } |
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124 delete after; |
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125 } |
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126 |
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127 |
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128 // ----------------------------------------------------------------------------- |
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129 // CUserAfter private functions |
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130 // ----------------------------------------------------------------------------- |
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131 // |
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132 inline CUserAfter::CUserAfter() |
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133 : CTimer ( CActive::EPriorityStandard ) |
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134 { |
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135 CActiveScheduler::Add ( this ); |
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136 } |
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137 |
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138 |
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139 inline void CUserAfter::RunL() |
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140 { |
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141 iWait.AsyncStop(); |
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142 Cancel(); |
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143 } |
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144 |
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145 inline void CUserAfter::RunError() |
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146 { |
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147 } |
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148 |
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149 inline void CUserAfter::DoCancel() |
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150 { |
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151 iWait.AsyncStop(); |
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152 CTimer::DoCancel(); |
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153 } |
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154 |
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155 |
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156 #endif // CUSERAFTER_H__ |
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157 |
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158 // End of File |
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159 |
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