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1 /* |
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2 * Copyright (c) 2006 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: |
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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 |
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21 #include "mcetimermanager.h" |
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22 #include "mcesrvlogs.h" |
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23 #include "mcesip.h" |
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24 |
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25 // Granularity for timer entry array iEntries |
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26 const TInt KArrayGranularity( 8); |
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27 |
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28 // One millisecond as microseconds |
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29 const TInt KOneMillisAsMicros( 1000); |
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30 |
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31 // ----------------------------------------------------------------------------- |
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32 // CMceTimerManager::NewL |
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33 // ----------------------------------------------------------------------------- |
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34 // |
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35 |
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36 CMceTimerManager* CMceTimerManager::NewL() |
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37 { |
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38 CMceTimerManager* self = CMceTimerManager::NewLC(); |
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39 CleanupStack::Pop(self); |
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40 return self; |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // CMceTimerManager::NewLC |
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45 // ----------------------------------------------------------------------------- |
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46 // |
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47 CMceTimerManager* CMceTimerManager::NewLC() |
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48 { |
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49 CMceTimerManager* self = new( ELeave ) CMceTimerManager; |
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50 CleanupStack::PushL(self); |
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51 self->ConstructL(); |
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52 return self; |
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53 } |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // CMceTimerManager::~CMceTimerManager |
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57 // ----------------------------------------------------------------------------- |
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58 // |
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59 CMceTimerManager::~CMceTimerManager() |
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60 { |
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61 if(iTimerContainer) |
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62 { |
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63 iTimerContainer->Cancel(); |
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64 delete iTimerContainer; |
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65 } |
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66 iEntries.ResetAndDestroy(); |
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67 } |
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68 |
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69 // ----------------------------------------------------------------------------- |
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70 // CMceTimerManager::StartL |
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71 // ----------------------------------------------------------------------------- |
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72 // |
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73 TMceTimerId CMceTimerManager::StartL(MMCEExpirationHandler* aObserver, |
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74 TUint aMilliseconds) |
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75 { |
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76 MCESRV_DEBUG("2 CMceTimerManager::StartL, Entry"); |
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77 return StartL(aObserver, aMilliseconds, NULL); |
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78 } |
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79 |
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80 // ----------------------------------------------------------------------------- |
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81 // CMceTimerManager::StartL |
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82 // ----------------------------------------------------------------------------- |
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83 // |
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84 TMceTimerId CMceTimerManager::StartL(MMCEExpirationHandler* aObserver, |
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85 TUint aMilliseconds, TAny* aTimerParam) |
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86 { |
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87 MCESRV_DEBUG("CMceTimerManager::StartL, Entry"); |
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88 // Do not accept a NULL observer |
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89 if ( !aObserver) |
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90 { |
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91 User::Leave(KErrArgument); |
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92 } |
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93 |
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94 // Get new unique timer id |
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95 |
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96 TMceTimerId newTimerId = NewTimerId(); |
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97 MCESRV_DEBUG_DVALUES( "timer", newTimerId, "timeout", aMilliseconds ); |
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98 |
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99 // Define a new entry with the new id |
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100 TEntry *newEntry = new ( ELeave ) TEntry(); |
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101 CleanupStack::PushL( newEntry ); |
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102 |
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103 newEntry->iId = newTimerId; |
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104 newEntry->iObserver = aObserver; |
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105 newEntry->iObserverParam = aTimerParam; |
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106 newEntry->iCallBack = TCallBack( TimerExpiredCallBack, newEntry ); |
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107 newEntry->iEntry = TDeltaTimerEntry( newEntry->iCallBack ); |
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108 newEntry->iTimerManager = this; |
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109 |
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110 iEntries.InsertL(newEntry, 0); |
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111 CleanupStack::Pop( newEntry ); |
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112 |
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113 TTimeIntervalMicroSeconds interval( TInt64( aMilliseconds ) * KOneMillisAsMicros ); |
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114 |
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115 if (KErrNone != iTimerContainer->QueueLong( interval, newEntry->iEntry ) ) |
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116 { |
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117 MCESRV_DEBUG("CMceTimerManager:: CDeltaTimer::QueueLong Error!!!"); |
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118 return CMceTimerManager::KNoSuchTimer; |
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119 } |
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120 |
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121 MCESRV_DEBUG("CMceTimerManager::StartL, Exit"); |
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122 return newEntry->iId; |
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123 |
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124 } |
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125 |
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126 // ----------------------------------------------------------------------------- |
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127 // CMceTimerManager::Stop |
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128 // ----------------------------------------------------------------------------- |
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129 // |
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130 TInt CMceTimerManager::Stop(TMceTimerId aTimerId) |
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131 { |
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132 MCESRV_DEBUG("CMceTimerManager::Stop, Entry"); |
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133 MCESRV_DEBUG_DVALUE("timer", aTimerId ); |
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134 |
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135 // Find the timer entry to be stopped |
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136 TInt entryIndex = FindEntry(aTimerId); |
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137 if (entryIndex == KErrNotFound) |
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138 { |
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139 MCESRV_DEBUG("CMceTimerManager::Stop - Invalid TimerId, timer not found"); |
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140 return KErrNotFound; |
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141 } |
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142 |
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143 // Remove timer information from container and delete entry |
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144 TEntry* entry = iEntries[entryIndex]; |
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145 iTimerContainer->Remove(entry->iEntry); |
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146 iEntries.Remove(entryIndex); |
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147 delete entry; |
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148 entry = NULL; |
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149 |
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150 MCESRV_DEBUG("CMceTimerManager::Stop, Exit"); |
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151 return KErrNone; |
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152 } |
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153 |
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154 // ----------------------------------------------------------------------------- |
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155 // CMceTimerManager::IsRunning |
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156 // ----------------------------------------------------------------------------- |
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157 // |
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158 TBool CMceTimerManager::IsRunning(TMceTimerId aTimerId) const |
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159 { |
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160 |
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161 TInt entryIndex = FindEntry(aTimerId); |
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162 if (entryIndex != KErrNotFound) |
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163 { |
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164 return ETrue; |
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165 } |
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166 return EFalse; |
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167 } |
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168 |
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169 // ----------------------------------------------------------------------------- |
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170 // CMceTimerManager::NewTimerId |
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171 // ----------------------------------------------------------------------------- |
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172 // |
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173 TMceTimerId CMceTimerManager::NewTimerId() |
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174 { |
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175 // Note that a rolling unsigned 32bit integer id counter |
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176 // is not strictly unique - however, it is not possible |
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177 // to have a timer with id 1 and id 2^32-1 at the same time |
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178 // due to time and memory constraints. |
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179 iTimerIdCounter++; |
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180 if (iTimerIdCounter == KNoSuchTimer) |
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181 { |
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182 iTimerIdCounter++; |
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183 } |
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184 return iTimerIdCounter; |
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185 } |
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186 |
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187 // ----------------------------------------------------------------------------- |
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188 // CMceTimerManager::FindEntry |
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189 // ----------------------------------------------------------------------------- |
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190 // |
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191 TInt CMceTimerManager::FindEntry(TMceTimerId aTimerId) const |
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192 { |
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193 // Search for an entry with a matching id |
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194 TInt count = iEntries.Count(); |
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195 for (TInt i = 0; i < count; i++) |
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196 { |
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197 |
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198 if (iEntries[ i ]->iId == aTimerId) |
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199 { |
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200 |
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201 return i; |
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202 |
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203 } |
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204 } |
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205 |
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206 return KErrNotFound; |
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207 } |
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208 |
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209 // ----------------------------------------------------------------------------- |
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210 // CMceTimerManager::CMceTimerManager |
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211 // ----------------------------------------------------------------------------- |
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212 // |
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213 CMceTimerManager::CMceTimerManager() : |
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214 iEntries(KArrayGranularity), iTimerIdCounter(KNoSuchTimer), |
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215 iTimerContainer(NULL) |
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216 |
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217 { |
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218 } |
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219 |
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220 // ----------------------------------------------------------------------------- |
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221 // CMceTimerManager::ConstructL |
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222 // ----------------------------------------------------------------------------- |
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223 // |
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224 void CMceTimerManager::ConstructL() |
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225 { |
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226 |
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227 iTimerContainer = CDeltaTimer::NewL(CActive::EPriorityStandard); |
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228 |
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229 } |
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230 |
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231 // ----------------------------------------------------------------------------- |
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232 // CMceTimerManager::TimerExpiredCallBack |
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233 // ----------------------------------------------------------------------------- |
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234 // |
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235 TInt CMceTimerManager::TimerExpiredCallBack(TAny *aPtr) |
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236 { |
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237 |
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238 MCESRV_DEBUG("TimerExpiredCallBack, Entry"); |
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239 if (aPtr != NULL) |
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240 { |
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241 |
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242 TEntry* entry = static_cast<TEntry*> (aPtr ); |
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243 MCESRV_DEBUG_DVALUE( |
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244 "CMceTimerManager:timer expired - calling observer.timer", entry->iId ); |
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245 |
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246 // Call timer expired function |
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247 TRAP_IGNORE( entry->iObserver->TimerExpiredL( entry->iId, |
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248 entry->iObserverParam ) ); |
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249 |
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250 // Remove the TEntry pointer from iEntries |
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251 TInt index = entry->iTimerManager->iEntries.Find(entry); |
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252 if (index != KErrNotFound) |
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253 { |
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254 entry->iTimerManager->iEntries.Remove(index); |
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255 } |
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256 |
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257 // Delete entry |
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258 delete entry; |
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259 return KErrNone; |
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260 |
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261 } |
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262 |
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263 MCESRV_DEBUG("TimerExpiredCallBack, Exit"); |
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264 return KErrArgument; |
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265 |
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266 } |
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267 |
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268 // ----------------------------------------------------------------------------- |
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269 // CMceTimerManager::TEntry::TEntry |
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270 // ----------------------------------------------------------------------------- |
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271 // |
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272 CMceTimerManager::TEntry::TEntry() : |
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273 iId(KNoSuchTimer), iObserver( NULL), iObserverParam( NULL), iTimerManager( NULL ) |
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274 { |
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275 } |
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276 |