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1 /* |
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2 * Copyright (c) 2006, 2007 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: Implementation of Timer class |
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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 |
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20 #include "lbtstrategytimer.h" |
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21 #include "lbtlogger.h" |
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22 |
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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 // CLbtStrategyTimer::NewL |
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28 // |
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29 // ----------------------------------------------------------------------------- |
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30 // |
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31 CLbtStrategyTimer* CLbtStrategyTimer::NewL() |
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32 { |
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33 CLbtStrategyTimer* timer = new ( ELeave ) CLbtStrategyTimer; |
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34 CleanupStack::PushL( timer ); |
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35 timer->ConstructL(); |
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36 CleanupStack::Pop(); |
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37 return timer; |
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38 } |
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39 |
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40 |
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41 // ----------------------------------------------------------------------------- |
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42 // CLbtStrategyTimer::~CLbtStrategyTimer |
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43 // |
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44 // ----------------------------------------------------------------------------- |
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45 // |
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46 CLbtStrategyTimer::~CLbtStrategyTimer() |
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47 { |
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48 FUNC_ENTER("CLbtStrategyTimer::~CLbtStrategyTimer"); |
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49 iTimer.Close(); |
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50 if( iUtilizeMovementDetection ) |
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51 { |
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52 if( iMovtDetector ) |
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53 { |
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54 iMovtDetector->StopNotification(); |
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55 } |
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56 } |
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57 delete iMovtDetector; |
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58 } |
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59 |
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60 |
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61 // ----------------------------------------------------------------------------- |
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62 // CLbtStrategyTimer::Set |
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63 // |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 void CLbtStrategyTimer::Set( TRequestStatus& aStatus, |
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67 TTimeIntervalSeconds aSleepInterval, |
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68 TBool aUtilizeMovementDetection ) |
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69 { |
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70 FUNC_ENTER("CLbtStrategyTimer::Set"); |
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71 LOG1("Sleeping for interval : %d", aSleepInterval.Int() ); |
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72 // Initialize sleeptime with respect to current time. |
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73 iSleepTime = aSleepInterval; |
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74 |
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75 iUtilizeMovementDetection = aUtilizeMovementDetection; |
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76 |
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77 // Update start time of sleep |
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78 iStartTime.UniversalTime(); |
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79 iInterrupt = EFalse; |
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80 |
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81 aStatus = KRequestPending; |
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82 |
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83 iMovtDetectorNotified = EFalse; |
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84 //Initiate Movt Detector |
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85 if( iMovtDetector && iUtilizeMovementDetection ) |
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86 { |
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87 TRAPD( err, iMovtDetector->RequestNotificationL( this , iSleepTime.Int() ) ); |
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88 if( KErrNone == err ) |
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89 { |
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90 iStatusPtr = &aStatus; |
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91 return; |
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92 } |
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93 else |
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94 { |
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95 delete iMovtDetector; |
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96 iMovtDetector = NULL; |
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97 } |
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98 } |
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99 iTimerInitialized = ETrue; |
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100 iTimer.AtUTC( aStatus, ( iStartTime + iSleepTime ) ); |
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101 } |
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102 |
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103 |
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104 // ----------------------------------------------------------------------------- |
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105 // CLbtStrategyTimer::ResetInterval |
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106 // |
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107 // ----------------------------------------------------------------------------- |
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108 // |
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109 void CLbtStrategyTimer::ResetInterval( TRequestStatus& aStatus, |
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110 TTimeIntervalSeconds aSleepInterval, |
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111 TBool aUtilizeMovementDetection ) |
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112 { |
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113 FUNC_ENTER("CLbtStrategyTimer::ResetInterval"); |
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114 LOG1("ResetInterval;=%d", aSleepInterval.Int()); |
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115 if( !iMovtDetectorNotified ) |
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116 { |
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117 Set( aStatus, aSleepInterval,aUtilizeMovementDetection ); |
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118 return; |
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119 } |
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120 iUtilizeMovementDetection = aUtilizeMovementDetection; |
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121 |
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122 TTime sleepTime; |
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123 sleepTime.UniversalTime(); |
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124 sleepTime += aSleepInterval; |
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125 |
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126 iTimer.AtUTC( aStatus, sleepTime ); |
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127 iSleepTime = aSleepInterval; |
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128 iStartTime.UniversalTime(); |
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129 iInterrupt = EFalse; |
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130 } |
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131 |
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132 |
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133 // ----------------------------------------------------------------------------- |
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134 // CLbtStrategyTimer::Cancel |
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135 // |
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136 // ----------------------------------------------------------------------------- |
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137 // |
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138 void CLbtStrategyTimer::Cancel() |
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139 { |
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140 FUNC_ENTER("CLbtStrategyTimer::Cancel"); |
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141 if( iTimerInitialized ) |
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142 { |
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143 iTimer.Cancel(); |
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144 } |
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145 if( iMovtDetector && iUtilizeMovementDetection ) |
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146 { |
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147 iMovtDetector->StopNotification(); |
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148 } |
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149 if(iStatusPtr != NULL) |
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150 { |
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151 User::RequestComplete(iStatusPtr, KErrCancel); |
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152 } |
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153 // iMovtDetectorNotified = EFalse; |
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154 iInterrupt = ETrue; |
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155 } |
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156 |
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157 |
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158 // ----------------------------------------------------------------------------- |
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159 // CLbtStrategyTimer::RemainingSleepInterval |
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160 // |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 TBool CLbtStrategyTimer::RemainingSleepInterval( |
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164 TTimeIntervalSeconds& aRemainingInterval ) |
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165 { |
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166 return RemainingSleepInterval( iSleepTime, aRemainingInterval ); |
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167 } |
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168 |
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169 |
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170 // ----------------------------------------------------------------------------- |
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171 // CLbtStrategyTimer::RemainingSleepInterval |
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172 // |
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173 // ----------------------------------------------------------------------------- |
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174 // |
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175 TBool CLbtStrategyTimer::RemainingSleepInterval( |
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176 TTimeIntervalSeconds aEstimatedTime, |
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177 TTimeIntervalSeconds& aRemainingInterval ) |
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178 { |
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179 TTime currentTime; |
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180 TTimeIntervalSeconds interval; |
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181 currentTime.UniversalTime(); |
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182 currentTime.SecondsFrom( iStartTime, interval ); |
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183 |
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184 aRemainingInterval = aEstimatedTime.Int() - interval.Int(); |
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185 |
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186 if( aRemainingInterval.Int() <= 0 ) |
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187 { |
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188 return EFalse; |
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189 } |
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190 else |
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191 { |
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192 return ETrue; |
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193 } |
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194 } |
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195 |
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196 |
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197 // ----------------------------------------------------------------------------- |
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198 // CLbtStrategyTimer::SleepIntervalInterrupted |
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199 // |
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200 // ----------------------------------------------------------------------------- |
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201 // |
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202 TBool CLbtStrategyTimer::SleepIntervalInterrupted() |
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203 { |
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204 TBool interrupted = iInterrupt; |
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205 iInterrupt = EFalse; |
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206 return interrupted; |
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207 } |
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208 |
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209 |
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210 // ----------------------------------------------------------------------------- |
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211 // CLbtStrategyTimer::ElapsedTime |
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212 // |
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213 // ----------------------------------------------------------------------------- |
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214 // |
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215 CLbtStrategyTimer::CLbtStrategyTimer() : iTimerInitialized( EFalse ), |
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216 iMovtDetectorNotified( EFalse ), |
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217 iMovtDetector( NULL ) |
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218 { |
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219 } |
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220 |
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221 |
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222 // ----------------------------------------------------------------------------- |
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223 // CLbtStrategyTimer::ElapsedTime |
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224 // |
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225 // ----------------------------------------------------------------------------- |
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226 // |
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227 void CLbtStrategyTimer::ConstructL() |
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228 { |
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229 iInterrupt = EFalse; |
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230 User::LeaveIfError( iTimer.CreateLocal() ); |
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231 iMovtDetector = CLbtMovementDetector::NewL(); |
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232 iUtilizeMovementDetection = ETrue; |
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233 iStatusPtr = NULL; |
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234 } |
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235 |
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236 |
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237 // ----------------------------------------------------------------------------- |
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238 // CLbtStrategyEngine::HandleDetectorNotification |
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239 // Handles Movt detection notification |
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240 // ----------------------------------------------------------------------------- |
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241 // |
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242 void CLbtStrategyTimer::HandleDetectorNotification( const TMovementObserverEvent /*aEvent*/ ) |
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243 { |
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244 FUNC_ENTER("CLbtStrategyTimer::HandleDetectorNotification"); |
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245 LOG("Movement detected"); |
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246 // aEvent need not be checked as the handling will remain the same |
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247 iMovtDetector->StopNotification(); |
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248 iMovtDetectorNotified = ETrue; |
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249 |
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250 TTime currentTime; |
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251 currentTime.UniversalTime(); |
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252 |
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253 if( currentTime > ( iStartTime + iSleepTime ) ) |
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254 { |
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255 //Notification after the completion of sleepinterval => Notify the engine immediately |
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256 User::RequestComplete( iStatusPtr, KErrNone ); |
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257 iStatusPtr = NULL; |
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258 } |
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259 else |
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260 { |
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261 //Notification before the completion of sleepinterval => Notify the engine after the completion |
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262 //of sleep interval |
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263 iTimerInitialized = ETrue; |
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264 iTimer.AtUTC( *iStatusPtr, ( iStartTime + iSleepTime ) ); |
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265 iStatusPtr = NULL; |
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266 } |
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267 } |