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1 // Copyright (c) 2004-2009 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 // A subject for oberving requests to reduce the timers currently |
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15 // running in the simulator. |
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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 @file |
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21 */ |
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22 |
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23 |
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24 #include "Simlog.h" |
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25 #include "CSimReduceTimers.h" |
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26 |
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27 |
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28 /** |
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29 Factory function for creating a CSimReduceTimers object. |
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30 |
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31 @return A pointer to the object created. |
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32 */ |
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33 CSimReduceTimers* CSimReduceTimers::NewL() |
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34 { |
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35 CSimReduceTimers* self = new(ELeave) CSimReduceTimers; |
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36 CleanupStack::PushL(self); |
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37 self->ConstructL(); |
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38 CleanupStack::Pop(self); |
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39 return self; |
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40 } |
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41 |
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42 /** |
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43 Second phase constructor. Ensures that the required Publish & |
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44 Subscribe property is defined and starts listening to any changes (or |
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45 Set() calls) made to this property. |
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46 */ |
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47 void CSimReduceTimers::ConstructL() |
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48 { |
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49 TInt dummy; |
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50 TInt ret = RProperty::Get(KUidPSSimTsyCategory, KPSSimTsyTimersReduceTime, dummy); |
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51 |
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52 if (ret == KErrNone) |
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53 { |
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54 iPSProperty = CSimPubSub::TPubSubProperty(KUidPSSimTsyCategory,KPSSimTsyTimersReduceTime, |
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55 KPSSimTsyTimersReduceTimeSignalKeyType); |
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56 iSimPubSub = CSimPubSub::NewL(this,iPSProperty); |
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57 iSimPubSub->Start(); |
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58 } |
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59 else |
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60 { |
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61 User::Leave(ret); |
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62 } |
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63 } |
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64 |
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65 /** |
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66 Default, first-phase, constructor. |
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67 */ |
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68 CSimReduceTimers::CSimReduceTimers() |
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69 { |
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70 // NOP |
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71 } |
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72 |
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73 /** |
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74 Default destrucor for the reduce timers subject. |
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75 */ |
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76 CSimReduceTimers::~CSimReduceTimers() |
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77 { |
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78 delete iSimPubSub; |
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79 iObservers.Close(); |
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80 } |
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81 |
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82 void CSimReduceTimers::SimPSEvent(const CSimPubSub::TPubSubProperty aProperty, TInt aStatus) |
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83 { |
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84 if (aProperty == iPSProperty && // Condition for correct property |
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85 (aStatus == ETimerIdAllTimers)) // and correct value for signal |
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86 { |
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87 LOGMISC1(">>CSimReduceTimers.cpp: Reduce Timer event fired for all timers"); |
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88 Notify(); |
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89 } |
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90 else if(aProperty == iPSProperty && aStatus > 0) |
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91 { |
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92 LOGMISC2(">>CSimReduceTimers.cpp: Reduce Timer event fired for event ID %d", aStatus); |
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93 Notify(aStatus); |
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94 } |
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95 } |
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96 |
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97 void CSimReduceTimers::AttachL(MSimTimerUpdateObserver* aObserver) |
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98 { |
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99 LOGMISC1("CSimReduceTimers::AttachL"); |
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100 User::LeaveIfError(iObservers.Append(aObserver)); |
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101 } |
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102 |
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103 void CSimReduceTimers::DetachL(MSimTimerUpdateObserver* aObserver) |
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104 { |
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105 TInt pos = iObservers.Find(aObserver); |
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106 LOGMISC2("CSimReduceTimers::DetachL, from position %d", pos); |
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107 User::LeaveIfError(pos); |
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108 iObservers.Remove(pos); |
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109 } |
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110 |
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111 void CSimReduceTimers::Notify() |
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112 { |
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113 TInt totalItems = iObservers.Count(); |
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114 LOGMISC2("CSimReduceTimers::Notify, %d observers registered", totalItems); |
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115 if (totalItems <= 0) |
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116 { |
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117 LOGMISC1("CSimReduceTimers::Notify, No timers to reduce."); |
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118 return; |
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119 } |
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120 |
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121 TInt minTimeReduce = KMaxTInt; |
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122 TInt num; |
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123 for (num = 0; num < totalItems; num++) |
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124 { |
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125 TInt temp = iObservers[num]->GetRemainingSeconds(); |
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126 LOGMISC3("CSimReduceTimers::Notify, iObservers[%d] remaining time = %d", num, temp); |
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127 |
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128 // Ensure no error is returned and check if the current itteration gives a lower time remaining. |
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129 if (temp > 0 && temp < minTimeReduce) |
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130 { |
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131 minTimeReduce = temp; |
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132 } |
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133 } |
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134 |
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135 if (minTimeReduce == KMaxTInt) |
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136 { |
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137 LOGMISC1("CSimReduceTimers::Notify, No running timers."); |
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138 return; |
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139 } |
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140 |
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141 LOGMISC2("CSimReduceTimers::Notify, Min time to reduce all timers: %d", minTimeReduce); |
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142 // Ensure that reducing timers by minTimeReduce does not reduce any timer to less than KTimerDelayOnReduceTimeSignal. |
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143 minTimeReduce -= KTimerDelayOnReduceTimeSignal; |
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144 if (minTimeReduce <= 0) |
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145 { |
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146 LOGMISC1("CSimReduceTimers::Notify, Min time to reduce <= KTimerDelayOnReduceTimeSignal, no change to timers."); |
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147 return; |
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148 } |
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149 |
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150 for (num = 0; num < totalItems; num++) |
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151 { |
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152 iObservers[num]->Update(minTimeReduce); |
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153 } |
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154 } |
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155 |
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156 void CSimReduceTimers::Notify(TInt aTimerEventId) |
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157 { |
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158 TInt totalItems = iObservers.Count(); |
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159 LOGMISC2("CSimReduceTimers::Notify, %d observers registered", totalItems); |
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160 if (totalItems <= 0) |
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161 { |
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162 LOGMISC1("CSimReduceTimers::Notify, No timers to reduce."); |
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163 return; |
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164 } |
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165 |
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166 //Get the index of the observer with with event id aTimerEventId |
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167 //and the lowest remaining timer |
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168 TInt lowestTime = KMaxTInt; |
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169 TInt indexOfLowest = KErrNotFound; |
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170 |
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171 TInt index; |
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172 for(index = 0; index < totalItems; index++) |
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173 { |
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174 if((iObservers[index]->GetTimerEventInfo() == aTimerEventId) && |
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175 (iObservers[index]->GetRemainingSeconds() > 0) && |
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176 (iObservers[index]->GetRemainingSeconds() < lowestTime)) |
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177 { |
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178 indexOfLowest = index; |
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179 lowestTime = iObservers[index]->GetRemainingSeconds(); |
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180 } |
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181 } |
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182 |
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183 if(indexOfLowest == KErrNotFound) |
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184 { |
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185 LOGMISC2(">>CSimReduceTimers::Notify, No observers with event ID %d found", |
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186 aTimerEventId); |
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187 return; |
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188 } |
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189 |
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190 //Check that reducing the timer of the selected observer is acceptable |
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191 TInt reduceBy = lowestTime - KTimerDelayOnReduceTimeSignal; |
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192 if(reduceBy >= lowestTime) |
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193 { |
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194 LOGMISC3("CSimReduceTimers::Notify, Lowest timer for event ID %d already less than %d sec. No timer reduced.", |
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195 KTimerDelayOnReduceTimeSignal, aTimerEventId); |
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196 } |
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197 else |
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198 { |
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199 LOGMISC3(">>CSimReduceTimers::Notify, Timer for observer with event ID %d, reduced by %d sec", |
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200 aTimerEventId, reduceBy); |
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201 iObservers[indexOfLowest]->Update(reduceBy); |
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202 } |
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203 } |