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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 // Implementation of CFilteringActiveScheduler and CActiveRetriever |
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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 @file |
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20 */ |
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21 |
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22 #include "cctsyactiveretriever.h" |
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23 |
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24 |
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25 TInt CActiveRetriever::iSimultaneousRetrieveRequestsNumber(0); |
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26 |
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27 //---------------------------------------------------------------------------- |
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28 // Implementation of CFilteringActiveScheduler |
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29 //---------------------------------------------------------------------------- |
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30 CFilteringActiveScheduler::~CFilteringActiveScheduler() |
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31 { |
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32 iRetrievers.Reset(); |
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33 } |
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34 |
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35 // |
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36 void CFilteringActiveScheduler::AddRetrieverL(CActiveRetriever& aRetriever) |
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37 { |
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38 iRetrievers.AppendL(&aRetriever); |
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39 } |
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40 |
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41 // |
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42 void CFilteringActiveScheduler::StartScheduler() |
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43 { |
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44 |
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45 for (TInt i = 0; i<iRetrievers.Count(); i++) |
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46 { |
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47 if (iRetrievers[i]->IsActive()) |
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48 { |
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49 // only if there is Active Retriever then actually starts Scheduler |
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50 return CActiveScheduler::Start(); |
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51 } |
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52 } |
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53 } |
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54 |
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55 // |
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56 void CFilteringActiveScheduler::WaitForAnyRequest() |
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57 { |
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58 do |
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59 { |
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60 CActiveScheduler::WaitForAnyRequest(); |
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61 } |
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62 while (!IsOneOfMyRequestsComplete()); // WaitForAnyRequest while one of my requests is not complete |
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63 } |
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64 |
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65 |
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66 // check whether thera is any Retriever's request complete |
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67 TBool CFilteringActiveScheduler::IsOneOfMyRequestsComplete() |
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68 { |
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69 TBool ret(EFalse); |
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70 |
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71 for (TInt i = 0; i<iRetrievers.Count() && !ret; i++) |
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72 { |
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73 if (iRetrievers[i]->IsRequestComplete()) |
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74 { |
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75 ret = ETrue; |
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76 iRetrievers[i]->PerformCancelIfNeeded(); |
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77 } |
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78 } |
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79 |
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80 return ret; |
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81 } |
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82 |
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83 //---------------------------------------------------------------------------- |
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84 // Implementation of CActiveRetriever |
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85 //---------------------------------------------------------------------------- |
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86 CActiveRetriever* CActiveRetriever:: |
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87 NewLC(CAsyncRetrieveVariableLengthBufferV2& aAsynchRetrieveBuffer) |
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88 { |
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89 CActiveRetriever* self = new (ELeave) CActiveRetriever(aAsynchRetrieveBuffer); |
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90 CleanupStack::PushL(self); |
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91 return self; |
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92 } |
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93 |
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94 // |
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95 CActiveRetriever* CActiveRetriever:: |
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96 NewL(CAsyncRetrieveVariableLengthBufferV2& aAsynchRetrieveBuffer) |
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97 { |
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98 return new (ELeave) CActiveRetriever(aAsynchRetrieveBuffer); |
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99 } |
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100 |
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101 // |
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102 CActiveRetriever::CActiveRetriever(CAsyncRetrieveVariableLengthBufferV2& aAsynchRetrieveBuffer) : |
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103 CActive(EPriorityStandard), |
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104 iAsynchRetrieveBuffer(aAsynchRetrieveBuffer), |
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105 iTestCase(ECaseNotSpecified), |
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106 iPhase1Passed(EFalse) |
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107 { |
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108 CActiveScheduler::Add(this); |
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109 } |
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110 |
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111 // |
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112 CActiveRetriever::~CActiveRetriever() |
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113 { |
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114 Cancel(); |
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115 } |
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116 // |
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117 TBool CActiveRetriever::IsRequestComplete() |
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118 { |
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119 TBool ret(EFalse); |
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120 |
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121 if ( ( AsynchRetrieveBuffer().IsActive() && |
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122 AsynchRetrieveBuffer().iStatus!=KRequestPending ) || |
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123 ( IsActive() && iStatus!=KRequestPending) ) |
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124 { |
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125 ret = ETrue; |
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126 } |
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127 |
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128 return ret; |
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129 } |
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130 |
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131 // |
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132 void CActiveRetriever::PerformCancelIfNeeded() |
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133 { |
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134 if ( AsynchRetrieveBuffer().IsActive() && |
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135 AsynchRetrieveBuffer().iStatus!=KRequestPending ) |
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136 { |
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137 switch(TestCase()) |
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138 { |
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139 case CActiveRetriever::ECasePhase2Cancel: |
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140 if ( ! Phase1Passed() ) // cancel request after passing of 1st phase |
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141 { |
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142 SetPhase1Passed(ETrue); |
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143 break; |
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144 } |
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145 case CActiveRetriever::ECasePhase1Cancel: |
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146 AsynchRetrieveBuffer().Cancel(); |
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147 SetTestCase(CActiveRetriever::ECaseNotSpecified); |
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148 break; |
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149 case CActiveRetriever::ECaseNotSpecified: |
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150 default: |
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151 break; |
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152 } |
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153 } |
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154 } |
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155 |
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156 // resets pending requests number, STATIC |
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157 TInt CActiveRetriever::ResetRequestsNumber() |
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158 { |
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159 TInt ret(iSimultaneousRetrieveRequestsNumber); |
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160 iSimultaneousRetrieveRequestsNumber = 0; |
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161 return ret; |
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162 } |
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163 // |
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164 TRequestStatus& CActiveRetriever::Status() |
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165 { |
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166 return iStatus; |
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167 } |
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168 |
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169 // AO's request function with test case parameter |
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170 void CActiveRetriever::Activate(TTestCase aTestCase) |
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171 { |
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172 if ( ECaseGeneralCancelCase != aTestCase ) |
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173 { |
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174 iTestCase = aTestCase; |
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175 iSimultaneousRetrieveRequestsNumber++; |
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176 SetActive(); |
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177 } |
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178 else |
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179 { |
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180 iAsynchRetrieveBuffer.Cancel(); |
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181 iTestCase = ECaseNotSpecified; |
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182 } |
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183 } |
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184 |
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185 // |
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186 void CActiveRetriever::RunL() |
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187 { |
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188 DoComplete(); // stops the Scheduler |
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189 } |
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190 |
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191 // |
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192 void CActiveRetriever::DoCancel() |
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193 { |
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194 if (IsActive()) |
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195 { |
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196 iAsynchRetrieveBuffer.Cancel(); |
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197 DoComplete(); |
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198 } |
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199 } |
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200 |
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201 // |
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202 CActive& CActiveRetriever::AsynchRetrieveBuffer() |
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203 { |
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204 return iAsynchRetrieveBuffer; |
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205 } |
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206 |
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207 // |
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208 void CActiveRetriever::SetTestCase(CActiveRetriever::TTestCase aCase) |
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209 { |
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210 iTestCase = aCase; |
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211 } |
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212 |
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213 // |
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214 CActiveRetriever::TTestCase CActiveRetriever::TestCase() |
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215 { |
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216 return iTestCase; |
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217 } |
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218 |
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219 // |
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220 void CActiveRetriever::SetPhase1Passed(TBool aPassed) |
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221 { |
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222 iPhase1Passed = aPassed; |
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223 } |
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224 |
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225 // |
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226 TBool CActiveRetriever::Phase1Passed() |
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227 { |
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228 return iPhase1Passed; |
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229 } |
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230 |
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231 // |
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232 void CActiveRetriever::DoComplete() |
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233 { |
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234 if (!(--iSimultaneousRetrieveRequestsNumber)) |
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235 { |
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236 CActiveScheduler::Stop(); |
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237 } |
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238 } |