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1 // Copyright (c) 2007-2009 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 #include <ssm/ssmswppolicy.h> |
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17 |
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18 #include "ssmdebug.h" |
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19 #include "ssmswptransitionengine.h" |
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20 #include "ssmswptransitionscheduler.h" |
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21 #include "ssmswpindividualtransitionscheduler.h" |
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22 |
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23 // |
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24 //Construction/Destruction |
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25 // |
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26 |
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27 |
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28 /** |
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29 Create a scheduler |
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30 */ |
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31 CSsmSwpTransitionScheduler* CSsmSwpTransitionScheduler::NewL() |
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32 { |
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33 CSsmSwpTransitionScheduler* self = NewLC(); |
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34 CleanupStack::Pop(self); |
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35 return self; |
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36 } |
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37 |
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38 CSsmSwpTransitionScheduler* CSsmSwpTransitionScheduler::NewLC() |
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39 { |
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40 CSsmSwpTransitionScheduler* self = new (ELeave) CSsmSwpTransitionScheduler(); |
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41 CleanupStack::PushL(self); |
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42 self->ConstructL(); |
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43 return self; |
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44 } |
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45 |
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46 void CSsmSwpTransitionScheduler::ConstructL() |
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47 { |
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48 CTimer::ConstructL(); |
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49 CActiveScheduler::Add(this); |
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50 } |
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51 |
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52 LOCAL_C TInt OrderingFunction(const CSsmSwpIndividualTransitionScheduler& aLhs, const CSsmSwpIndividualTransitionScheduler& aRhs) |
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53 { |
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54 return aLhs.SwpKey() - aRhs.SwpKey(); |
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55 } |
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56 |
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57 LOCAL_C TInt SearchingFunction(const TUint* aUint, const CSsmSwpIndividualTransitionScheduler& aObject) |
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58 { |
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59 return *aUint - aObject.SwpKey(); |
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60 } |
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61 |
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62 CSsmSwpTransitionScheduler::CSsmSwpTransitionScheduler() |
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63 : CTimer(CActive::EPriorityStandard), |
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64 iLinearOrder(&OrderingFunction) |
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65 { |
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66 |
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67 } |
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68 |
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69 /** |
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70 Deactivate |
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71 Destroy queue |
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72 */ |
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73 CSsmSwpTransitionScheduler::~CSsmSwpTransitionScheduler() |
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74 { |
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75 CTimer::Cancel(); |
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76 iIndividualTransitionSchedulers.ResetAndDestroy(); |
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77 } |
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78 |
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79 /** |
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80 Take ownership of the transition engine and prepare it to run |
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81 @param aEngine - the engine to run |
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82 */ |
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83 void CSsmSwpTransitionScheduler::SubmitL(CSsmSwpTransitionEngine* aEngine) |
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84 { |
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85 if(!aEngine) |
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86 { |
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87 SSMLOGLEAVE(KErrArgument); //lint !e527 Suppress Unreachable. Lint is just confused by macro, warning goes away when code in macro gets expanded |
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88 } |
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89 CSsmSwpIndividualTransitionScheduler* scheduler = FindScheduler(aEngine); |
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90 if(scheduler == NULL) |
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91 { |
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92 // No scheduler already for this SwP, need to create one |
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93 scheduler = CSsmSwpIndividualTransitionScheduler::NewLC(aEngine->TransitionValue().Key(), aEngine->CleSessionProxy(), *this); |
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94 iIndividualTransitionSchedulers.InsertInOrderL(scheduler, iLinearOrder); |
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95 CleanupStack::Pop(scheduler); |
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96 // Submit the request |
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97 scheduler->SubmitL(aEngine); |
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98 } |
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99 else |
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100 { |
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101 // Already have a scheduler for this session so submit it |
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102 scheduler->SubmitL(aEngine); |
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103 } |
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104 } |
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105 |
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106 void CSsmSwpTransitionScheduler::Cancel(CSession2* aSession) |
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107 { |
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108 // Iterate through the array informing all schedulers of the cancel |
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109 TInt count = iIndividualTransitionSchedulers.Count(); |
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110 for(TInt i = 0; i < count; ++i) |
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111 { |
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112 iIndividualTransitionSchedulers[i]->Cancel(aSession); |
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113 } |
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114 } |
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115 |
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116 CSsmSwpIndividualTransitionScheduler* CSsmSwpTransitionScheduler::FindScheduler(CSsmSwpTransitionEngine* aEngine) |
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117 { |
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118 TInt offset = iIndividualTransitionSchedulers.FindInOrder(aEngine->TransitionValue().Key(), &SearchingFunction); |
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119 if(offset != KErrNotFound) |
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120 { |
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121 return iIndividualTransitionSchedulers[offset]; |
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122 } |
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123 return NULL; |
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124 } |
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125 |
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126 /** |
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127 Notify the monitor (if set) that one of the transition events has occured |
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128 */ |
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129 void CSsmSwpTransitionScheduler::NotifyTransitionQueued() |
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130 { |
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131 if(iTransactionMonitor != NULL) |
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132 { |
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133 iTransactionMonitor->SwpTransitionQueued(); |
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134 } |
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135 } |
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136 |
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137 void CSsmSwpTransitionScheduler::NotifyTransitionStarted() |
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138 { |
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139 if(iTransactionMonitor != NULL) |
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140 { |
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141 iTransactionMonitor->SwpTransitionStarted(); |
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142 } |
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143 } |
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144 |
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145 // Time to wait after completion before starting lazy cleanup |
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146 const TInt KLazyCleanupTimeOut = 5000000; |
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147 |
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148 void CSsmSwpTransitionScheduler::NotifyTransitionCompleted() |
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149 { |
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150 DEBUGPRINT1(_L("ERequestSwpChange Completed")); |
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151 if(iTransactionMonitor != NULL) |
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152 { |
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153 iTransactionMonitor->SwpTransitionCompleted(++iNumberOfCompletedTransitions); |
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154 } |
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155 if(!IsActive()) |
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156 { |
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157 After(KLazyCleanupTimeOut); |
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158 } |
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159 } |
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160 |
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161 void CSsmSwpTransitionScheduler::RunL() |
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162 { |
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163 // ignore any error in iStatus as clean-up is a safe operations to perform anytime |
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164 |
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165 // iterate through schedulers, removing them if they're not doing anything |
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166 TInt top = iIndividualTransitionSchedulers.Count() - 1; |
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167 for(TInt i = top; i >= 0; --i) |
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168 { |
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169 if (iIndividualTransitionSchedulers[i]->IsIdle()) |
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170 { |
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171 delete iIndividualTransitionSchedulers[i]; |
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172 iIndividualTransitionSchedulers[i] = NULL; |
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173 iIndividualTransitionSchedulers.Remove(i); |
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174 } |
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175 } |
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176 // If there are now none left, free the memory |
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177 if(iIndividualTransitionSchedulers.Count() == 0) |
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178 { |
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179 iIndividualTransitionSchedulers.GranularCompress(); |
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180 } |
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181 } |
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182 |
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183 TInt CSsmSwpTransitionScheduler::RunError(TInt __DEBUG_ONLY(aError)) |
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184 { |
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185 DEBUGPRINT2A("CSsmSwpTransitionScheduler::RunError() run with error %d, ignoring", aError); |
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186 // Ignore any errors with the timer as it is only used for clean up |
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187 return KErrNone; |
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188 } |
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189 |
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190 void CSsmSwpTransitionScheduler::NotifyTransitionFailed() |
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191 { |
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192 DEBUGPRINT1(_L("Error: ERequestSwpChange Failed")); |
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193 if(iTransactionMonitor != NULL) |
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194 { |
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195 iTransactionMonitor->SwpTransitionFailed(++iNumberOfFailedTransitions); |
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196 } |
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197 } |
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198 |
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199 /** |
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200 * Used for testing purposes |
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201 * Delete all the individual Transition Schedulers stored in the array |
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202 * and free the memory |
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203 */ |
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204 #ifdef _DEBUG |
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205 void CSsmSwpTransitionScheduler::CleanupIndividualSchedulerArray() |
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206 { |
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207 TInt top = iIndividualTransitionSchedulers.Count() - 1; |
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208 for(TInt i = top; i >= 0; --i) |
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209 { |
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210 if (iIndividualTransitionSchedulers[i]->IsIdle()) |
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211 { |
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212 delete iIndividualTransitionSchedulers[i]; |
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213 iIndividualTransitionSchedulers[i] = NULL; |
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214 iIndividualTransitionSchedulers.Remove(i); |
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215 } |
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216 } |
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217 // If there are now none left, free the memory |
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218 if(iIndividualTransitionSchedulers.Count() == 0) |
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219 { |
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220 iIndividualTransitionSchedulers.GranularCompress(); |
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221 } |
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222 } |
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223 #endif |