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1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Name : singletimer.cpp |
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15 // Part of : LightWeightTimer |
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16 // Version : SIP/4.0 |
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17 // |
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18 |
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19 |
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20 |
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21 #include "SipAssert.h" |
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22 #include "singletimer.h" |
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23 #include "TimerManager.h" |
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24 #include "mtimernotifier.h" |
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25 #include "timerlog.h" |
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26 |
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27 |
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28 // ----------------------------------------------------------------------------- |
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29 // CSingleTimer::NewL |
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30 // ----------------------------------------------------------------------------- |
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31 // |
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32 CSingleTimer* CSingleTimer::NewL(MTimerNotifier& aObserver) |
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33 { |
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34 CSingleTimer* self = new (ELeave) CSingleTimer(aObserver); |
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35 CleanupStack::PushL(self); |
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36 self->ConstructL(); |
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37 CleanupStack::Pop(self); |
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38 return self; |
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39 } |
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40 |
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41 // ----------------------------------------------------------------------------- |
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42 // CSingleTimer::CSingleTimer |
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43 // ----------------------------------------------------------------------------- |
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44 // |
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45 CSingleTimer::CSingleTimer(MTimerNotifier& aObserver) : |
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46 CActive(EPriorityStandard), |
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47 iObserver(aObserver), |
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48 iTimerId(MTimerManager::KNoSuchTimer) |
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49 { |
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50 CActiveScheduler::Add(this); |
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51 } |
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52 |
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53 // ----------------------------------------------------------------------------- |
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54 // CSingleTimer::ConstructL |
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55 // ----------------------------------------------------------------------------- |
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56 // |
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57 void CSingleTimer::ConstructL() |
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58 { |
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59 User::LeaveIfError(iTimer.CreateLocal()); |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CSingleTimer::~CSingleTimer |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 CSingleTimer::~CSingleTimer() |
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67 { |
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68 Cancel(); |
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69 iTimer.Close(); |
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70 } |
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71 |
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72 // ----------------------------------------------------------------------------- |
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73 // CSingleTimer::TimerId |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 TTimerId CSingleTimer::TimerId() const |
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77 { |
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78 return iTimerId; |
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79 } |
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80 |
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81 // ----------------------------------------------------------------------------- |
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82 // CSingleTimer::SetAfter |
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83 // If the equipment is switched off, timer set with After expires late. |
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84 // ----------------------------------------------------------------------------- |
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85 // |
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86 void CSingleTimer::SetAfter(TUint32 aDelay, TTimerId aTimerId) |
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87 { |
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88 __SIP_ASSERT_RETURN(!IsActive(), KErrNotReady); |
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89 __SIP_ASSERT_RETURN(aDelay <= KMaxTimerAfterDuration, KErrOverflow); |
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90 __SIP_ASSERT_RETURN(aTimerId != CTimerManager::KNoSuchTimer, KErrArgument); |
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91 |
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92 #if defined(WRITE_TIMER_LOG) |
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93 __SIP_INT_LOG2( "LwTimer SetAfter (id,delay)", aTimerId, aDelay ) |
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94 #endif |
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95 |
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96 iTimerId = aTimerId; |
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97 |
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98 //If the duration is very short, expire immediately for better performance. |
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99 #ifdef __WINSCW__ |
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100 if (aDelay < KEmulatorDelay) |
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101 #else |
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102 if (aDelay < KTargetHwDelay) |
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103 #endif |
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104 { |
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105 ExpireImmediately(); |
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106 } |
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107 else |
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108 { |
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109 iTimer.After(iStatus, aDelay * 1000); |
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110 SetActive(); |
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111 } |
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112 } |
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113 |
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114 // ----------------------------------------------------------------------------- |
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115 // CSingleTimer::DoCancel |
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116 // ----------------------------------------------------------------------------- |
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117 // |
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118 void CSingleTimer::DoCancel() |
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119 { |
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120 iTimer.Cancel(); |
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121 iTimerId = MTimerManager::KNoSuchTimer; |
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122 } |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CSingleTimer::RunL |
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126 // Even in case of error, continue normally. |
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127 // ----------------------------------------------------------------------------- |
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128 // |
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129 void CSingleTimer::RunL() |
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130 { |
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131 #if defined(WRITE_TIMER_LOG) |
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132 if (iStatus.Int() != KErrNone) |
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133 { |
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134 __SIP_INT_LOG2( "LwTimer SingleTimer:RunL (status,id)", |
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135 iStatus.Int(), iTimerId ) |
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136 } |
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137 #endif |
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138 |
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139 iObserver.TimerExpiredL(iTimerId); |
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140 } |
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141 |
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142 // ----------------------------------------------------------------------------- |
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143 // CSingleTimer::RunError |
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144 // ----------------------------------------------------------------------------- |
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145 // |
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146 TInt CSingleTimer::RunError(TInt aError) |
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147 { |
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148 #if defined(WRITE_TIMER_LOG) |
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149 __SIP_INT_LOG1( "LwTimer SingleTimer:RunError error", aError ) |
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150 #endif |
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151 |
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152 TInt err = iObserver.LeaveOccurred(); |
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153 |
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154 if (aError == KErrNoMemory || err == KErrNoMemory) |
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155 { |
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156 return KErrNoMemory; |
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157 } |
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158 |
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159 return KErrNone; |
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160 } |
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161 |
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162 // ----------------------------------------------------------------------------- |
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163 // CSingleTimer::ExpireImmediately |
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164 // Callback is not used from here, as it may lead to recursion if the callback |
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165 // sets another timer with delay = 0. |
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166 // CSingleTimer doesn't have a flag like CTimerManager::iNowExpiring. |
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167 // ----------------------------------------------------------------------------- |
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168 // |
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169 void CSingleTimer::ExpireImmediately() |
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170 { |
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171 //Initiate request |
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172 iStatus = KRequestPending; |
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173 SetActive(); |
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174 |
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175 //Complete request |
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176 TRequestStatus* status = &iStatus; |
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177 User::RequestComplete(status, KErrNone); |
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178 } |