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1 // Copyright (c) 2006-2009 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 // |
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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 FILES |
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20 #include <e32base.h> |
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21 #include "HWRMGenericTimer.h" |
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22 #include "HWRMtrace.h" |
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23 |
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24 // ============================ MEMBER FUNCTIONS =============================== |
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25 |
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26 // ----------------------------------------------------------------------------- |
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27 // CHWRMGenericTimer::NewL |
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28 // Two-phased constructor. |
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29 // ----------------------------------------------------------------------------- |
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30 // |
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31 CHWRMGenericTimer* CHWRMGenericTimer::NewL(MHWRMGenericTimerCallback& aCallback, |
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32 const TTimeIntervalMicroSeconds32& aMaxTime, |
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33 TInt aTimerId) |
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34 { |
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35 COMPONENT_TRACE4(_L( "HWRM Server - CHWRMGenericTimer::NewL(0x%x, 0x%x, 0x%x)" ), &aCallback, aMaxTime.Int(), aTimerId ); |
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36 |
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37 CHWRMGenericTimer* self = new (ELeave) CHWRMGenericTimer(aCallback, aMaxTime, aTimerId); |
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38 CleanupStack::PushL(self); |
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39 self->ConstructL(); |
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40 CleanupStack::Pop(self); |
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41 |
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42 COMPONENT_TRACE2(_L( "HWRM Server - CHWRMGenericTimer::NewL - return 0x%x" ), self ); |
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43 |
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44 return self; |
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45 } |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // CHWRMGenericTimer::CHWRMGenericTimer |
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49 // Constructor with callback class as a parameter. |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 CHWRMGenericTimer::CHWRMGenericTimer(MHWRMGenericTimerCallback& aCallback, |
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53 const TTimeIntervalMicroSeconds32& aMaxTime, |
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54 TInt aTimerId) |
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55 : CTimer(EPriorityHigh), |
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56 iCallback(aCallback), |
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57 iMaximumTime(aMaxTime), |
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58 iCutOff(EFalse), |
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59 iTimerId(aTimerId) |
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60 { |
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61 COMPONENT_TRACE3(_L( "HWRM Server - CHWRMGenericTimer::CHWRMGenericTimer(0x%x, 0x%x)" ), &aCallback, aMaxTime.Int() ); |
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62 |
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63 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMGenericTimer::CHWRMGenericTimer - return" ) ); |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // CHWRMGenericTimer::~CHWRMGenericTimer |
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68 // Destructor. |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 CHWRMGenericTimer::~CHWRMGenericTimer() |
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72 { |
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73 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMGenericTimer::~CHWRMGenericTimer()" ) ); |
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74 |
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75 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMGenericTimer::~CHWRMGenericTimer - return" ) ); |
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76 } |
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77 |
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78 // ----------------------------------------------------------------------------- |
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79 // CHWRMGenericTimer::Set |
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80 // Start the timer to complete after the specified number of microseconds. |
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81 // If the duration is zero, then timer is set to predefined maximum value. |
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82 // ----------------------------------------------------------------------------- |
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83 // |
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84 void CHWRMGenericTimer::Set(const TTimeIntervalMicroSeconds32& aInterval) |
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85 { |
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86 COMPONENT_TRACE2(_L( "HWRM Server - CHWRMGenericTimer::Set(%d)" ), aInterval.Int() ); |
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87 |
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88 __ASSERT_ALWAYS(CActiveScheduler::Current()!= NULL, User::Invariant()); |
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89 |
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90 if (!IsAdded()) |
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91 { |
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92 CActiveScheduler::Add(this); |
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93 } |
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94 |
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95 // If the timer is already running, cancel it... |
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96 if (IsActive()) |
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97 { |
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98 Cancel(); |
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99 } |
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100 |
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101 // And set the new timer. If timer has specified maximum time, enforce that. |
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102 TTime now; |
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103 now.UniversalTime(); |
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104 |
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105 if ( iMaximumTime.Int() != 0 && (0 == aInterval.Int() || aInterval > iMaximumTime) ) |
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106 { |
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107 // Maximum time has been specified, and interval parameter is such that |
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108 // it should be enforced |
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109 iActivationTime = now + iMaximumTime; |
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110 |
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111 After(iMaximumTime); |
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112 |
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113 COMPONENT_TRACE2(_L( "HWRM Server - CHWRMGenericTimer::Set - Using Maximum time %d" ), iMaximumTime.Int() ); |
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114 iCutOff = ETrue; |
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115 } |
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116 else if ( iMaximumTime.Int() == 0 && aInterval.Int() == 0 ) |
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117 { |
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118 // No maximum time specified and interval calls for infinite duration. |
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119 // --> Do not set the timer at all. |
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120 } |
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121 else |
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122 { |
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123 // Otherwise just set the time to specified interval. |
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124 iActivationTime = now + aInterval; |
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125 After(aInterval); |
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126 iCutOff = EFalse; |
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127 } |
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128 |
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129 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMGenericTimer::Set - return" ) ); |
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130 } |
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131 |
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132 // ----------------------------------------------------------------------------- |
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133 // CHWRMGenericTimer::Freeze |
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134 // Stop timer and returns the remaining time |
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135 // ----------------------------------------------------------------------------- |
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136 // |
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137 TTimeIntervalMicroSeconds32 CHWRMGenericTimer::Freeze() |
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138 { |
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139 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMGenericTimer::Freeze()" )); |
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140 |
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141 // Must use 64 bit version as no way to get TTimeIntervalMicroSeconds32 from TTime. |
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142 TTimeIntervalMicroSeconds frozenTime = 0LL; |
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143 |
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144 if ( IsAdded() && IsActive() ) |
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145 { |
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146 Cancel(); |
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147 |
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148 TTime now; |
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149 now.UniversalTime(); |
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150 frozenTime = iActivationTime.MicroSecondsFrom(now); |
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151 if ( frozenTime.Int64() <= 0 ) |
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152 { |
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153 // Should have activated by now, set freeze timer to 1 for instant activation |
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154 // after unfreeze. |
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155 frozenTime = 1LL; |
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156 } |
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157 } |
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158 |
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159 COMPONENT_TRACE2(_L( "HWRM Server - CHWRMGenericTimer::Freeze - return %d" ), frozenTime.Int64() ); |
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160 |
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161 // Loss of precision ok, as frozentime never exceeds 32 bits. |
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162 return frozenTime.Int64(); |
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163 } |
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164 |
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165 // ----------------------------------------------------------------------------- |
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166 // CHWRMGenericTimer::RunL |
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167 // RunL() function will be run after the specified system time expires, |
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168 // i.e. time is set by After() method, |
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169 // ----------------------------------------------------------------------------- |
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170 void CHWRMGenericTimer::RunL() |
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171 { |
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172 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMGenericTimer::RunL()" )); |
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173 |
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174 iCallback.GenericTimerFired(iTimerId, iCutOff); |
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175 |
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176 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMGenericTimer::RunL - return" ) ); |
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177 } |
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178 |
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179 void CHWRMGenericTimer::SetMaximumTime(TTimeIntervalMicroSeconds32& aMaximumTime) |
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180 { |
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181 iMaximumTime = aMaximumTime; |
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182 } |
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183 |
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184 |
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185 // End of File |