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1 // Copyright (c) 2008-2009 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 |
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17 #include "susstateadaptation.h" |
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18 #include <e32debug.h> |
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19 |
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20 /** |
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21 @publishedPartner |
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22 */ |
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23 |
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24 /* |
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25 //Add aMessage to the queue if AO is busy |
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26 //else |
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27 //Store the message in iCurrentMessage so that RunL can call aMessage::Complete() |
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28 //Unpack params |
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29 //Submit request |
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30 */ |
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31 |
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32 void CStateAdaptationRequests::SubmitOrQueueL(const RMessage2 &aMessage) |
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33 { |
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34 |
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35 CAdaptationMessage *messageCopy = new(ELeave) CAdaptationMessage(aMessage); |
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36 |
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37 if(!IsActive()) |
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38 { |
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39 Submit(messageCopy); |
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40 } |
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41 else |
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42 { |
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43 CleanupStack::PushL(messageCopy); |
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44 DEBUGPRINT2A("CStateAdaptationRequests queuing request with function id: %d", aMessage.Function()); |
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45 User::LeaveIfError(iPendingRequestsQueue.Queue(messageCopy)); |
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46 CleanupStack::Pop(messageCopy); |
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47 } |
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48 } |
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49 |
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50 void CStateAdaptationRequests::Submit(CAdaptationMessage*& aMessage) |
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51 { |
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52 DEBUGPRINT2A("CStateAdaptationRequests immediate submission of request with function id: %d", aMessage->Function()); |
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53 iCurrentMessage = aMessage; |
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54 switch(aMessage->Function()) |
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55 { |
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56 case ERequestCoopSysStateChange : |
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57 { |
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58 TSsmState newState; |
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59 newState.SetFromInt(aMessage->Int0()); |
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60 iStateAdaptation.RequestCoopSysStateChange(newState, iStatus); |
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61 break; |
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62 } |
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63 case ERequestCoopSysSelfTest : |
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64 { |
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65 iStateAdaptation.RequestCoopSysSelfTest(iStatus); |
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66 break; |
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67 } |
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68 case ERequestCoopSysPerformRestartActions : |
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69 { |
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70 TInt reason = aMessage->Int0(); |
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71 iStateAdaptation.RequestCoopSysPerformRestartActions(reason, iStatus); |
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72 break; |
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73 } |
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74 case ERequestCoopSysPerformShutdownActions : |
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75 { |
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76 TInt reason = aMessage->Int0(); |
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77 iStateAdaptation.RequestCoopSysPerformShutdownActions(reason, iStatus); |
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78 break; |
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79 } |
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80 case ERequestCoopSysPerformRfsActions : |
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81 { |
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82 TSsmRfsType rfsType = ( TSsmRfsType )aMessage->Int0() ; |
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83 iStateAdaptation.RequestCoopSysPerformRfsActions(rfsType, iStatus); |
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84 break; |
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85 } |
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86 default: |
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87 { |
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88 aMessage->Complete(KErrArgument); |
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89 return; |
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90 } |
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91 } |
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92 SetActive(); |
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93 } |
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94 |
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95 /** |
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96 CStateAdaptationRequests implements State Adaptation related functionality as part of CSsmAdaptationServer. |
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97 CSsmAdaptationServer loads State Adaptation plugin and creates CStateAdaptationRequests using the NewL. |
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98 From then the loaded State Adaptation plugin will be owned by CStateAdaptationRequests. |
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99 |
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100 @internalComponent |
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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 CStateAdaptationRequests* CStateAdaptationRequests::NewL(MStateAdaptation& aAdaptation) |
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106 { |
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107 CStateAdaptationRequests* self = new(ELeave) CStateAdaptationRequests(aAdaptation); |
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108 return self; |
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109 } |
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110 |
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111 CStateAdaptationRequests::CStateAdaptationRequests(MStateAdaptation& aAdaptation) : CActive(EPriorityStandard), iStateAdaptation(aAdaptation) |
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112 { |
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113 CActiveScheduler::Add(this); |
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114 } |
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115 |
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116 CStateAdaptationRequests::~CStateAdaptationRequests() |
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117 { |
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118 iPendingRequestsQueue.NotifyAndRemoveAll(); |
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119 Cancel(); // This call will delete iCurrentMessage if any |
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120 iPendingRequestsQueue.Close(); |
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121 Release(); |
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122 } |
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123 |
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124 //from MstateAdaptation |
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125 void CStateAdaptationRequests::Release() |
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126 { |
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127 iStateAdaptation.Release(); |
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128 } |
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129 |
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130 |
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131 void CStateAdaptationRequests::DoRequestCoopSysStateChangeL(const RMessage2& aMessage) |
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132 { |
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133 SubmitOrQueueL(aMessage); |
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134 } |
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135 |
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136 void CStateAdaptationRequests::DoRequestCoopSysSelfTestL(const RMessage2& aMessage) |
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137 { |
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138 SubmitOrQueueL(aMessage); |
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139 } |
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140 |
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141 void CStateAdaptationRequests::DoRequestCoopSysPerformRestartActionsL(const RMessage2& aMessage) |
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142 { |
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143 SubmitOrQueueL(aMessage); |
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144 } |
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145 |
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146 void CStateAdaptationRequests::DoRequestCoopSysPerformShutdownActionsL(const RMessage2& aMessage) |
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147 { |
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148 SubmitOrQueueL(aMessage); |
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149 } |
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150 |
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151 void CStateAdaptationRequests::DoRequestCoopSysPerformRfsActionsL(const RMessage2& aMessage) |
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152 { |
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153 SubmitOrQueueL(aMessage); |
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154 } |
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155 |
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156 /* |
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157 |
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158 ALGO |
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159 If iCurrentMessage == aMessage |
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160 then call plugin's RequestCancel() |
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161 otherwise |
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162 search the queue and complete the message with KErrCancel |
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163 */ |
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164 |
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165 void CStateAdaptationRequests::DoRequestCancel(const RMessage2& aMessage) |
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166 { |
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167 |
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168 if(iCurrentMessage != NULL) |
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169 { |
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170 if(aMessage.Session() == iCurrentMessage->Session()) |
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171 { |
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172 DEBUGPRINT1A("CStateAdaptationRequests cancelling current request as requested"); |
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173 iStateAdaptation.RequestCancel(); |
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174 } |
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175 iPendingRequestsQueue.RemoveFromQueueAndComplete(aMessage); |
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176 aMessage.Complete(KErrNone); |
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177 } |
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178 else |
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179 { |
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180 DEBUGPRINT1A("CStateAdaptationRequests nothing to cancel, but cancel requested"); |
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181 aMessage.Complete(KErrNone); |
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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 /** |
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187 * Returns the state adaptation in use by this object |
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188 * |
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189 * @internalComponent |
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190 */ |
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191 MStateAdaptation& CStateAdaptationRequests::Adaptation() |
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192 { |
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193 return iStateAdaptation; |
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194 } |
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195 |
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196 /* |
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197 from CActive |
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198 Complete aMessage |
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199 Dequeue the queue and submit another request |
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200 */ |
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201 |
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202 void CStateAdaptationRequests::RunL() |
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203 { |
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204 |
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205 DEBUGPRINT2A("CStateAdaptationRequests processed the request with funtion id: %d", iCurrentMessage->Function()); |
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206 iCurrentMessage->Complete(iStatus.Int()); |
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207 delete iCurrentMessage; |
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208 iCurrentMessage = NULL; |
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209 |
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210 if( (iPendingRequestsQueue.IsEmpty()) == EFalse ) |
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211 { |
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212 CAdaptationMessage *messageCopy = NULL; |
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213 iPendingRequestsQueue.Dequeue(messageCopy); |
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214 Submit(messageCopy); |
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215 } |
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216 } |
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217 |
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218 TInt CStateAdaptationRequests::RunError( TInt aError) |
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219 { |
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220 if(iCurrentMessage != NULL) |
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221 { |
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222 iCurrentMessage->Complete(aError); |
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223 delete iCurrentMessage; |
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224 iCurrentMessage = NULL; |
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225 } |
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226 |
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227 while( (iPendingRequestsQueue.IsEmpty()) == EFalse ) |
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228 { |
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229 iPendingRequestsQueue.Dequeue(iCurrentMessage); |
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230 iCurrentMessage->Complete(aError); |
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231 delete iCurrentMessage; |
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232 iCurrentMessage = NULL; |
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233 } |
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234 |
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235 return KErrNone; |
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236 } |
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237 |
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238 void CStateAdaptationRequests::DoCancel() |
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239 { |
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240 if(iCurrentMessage != NULL) |
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241 { |
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242 iCurrentMessage->Complete(KErrCancel); |
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243 delete iCurrentMessage; |
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244 iCurrentMessage = NULL; |
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245 } |
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246 |
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247 while( (iPendingRequestsQueue.IsEmpty()) == EFalse ) |
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248 { |
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249 iPendingRequestsQueue.Dequeue(iCurrentMessage); |
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250 iCurrentMessage->Complete(KErrCancel); |
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251 delete iCurrentMessage; |
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252 iCurrentMessage = NULL; |
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253 } |
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254 } |
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255 |
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256 |
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257 // C Class |
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258 CStateAdaptationObservers* CStateAdaptationObservers::NewL(MStateAdaptation& aAdaptation) |
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259 { |
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260 CStateAdaptationObservers* self = new(ELeave) CStateAdaptationObservers(aAdaptation); |
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261 |
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262 CleanupStack::PushL(self); |
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263 CleanupStack::Pop(); // self |
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264 return self; |
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265 } |
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266 |
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267 CStateAdaptationObservers::CStateAdaptationObservers(MStateAdaptation& aAdaptation) : CActive(EPriorityStandard), iStateAdaptation(aAdaptation) |
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268 { |
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269 CActiveScheduler::Add(this); |
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270 } |
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271 |
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272 CStateAdaptationObservers::~CStateAdaptationObservers() |
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273 { |
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274 Cancel(); |
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275 iObserversList.Close(); |
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276 } |
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277 |
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278 //from MstateAdaptation |
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279 |
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280 void CStateAdaptationObservers::DoGetLastCoopSysEvent(const RMessage2& aMessage) |
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281 { |
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282 TRAPD(err,aMessage.WriteL(0,iEventPckg)); |
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283 aMessage.Complete(err); |
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284 } |
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285 |
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286 |
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287 void CStateAdaptationObservers::DoNotifyCoopSysEventL(const RMessage2& aMessage) |
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288 { |
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289 if(iObserversList.Count() == 0) |
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290 { |
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291 // First observer so start notification |
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292 StartNotification(); |
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293 } |
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294 CAdaptationMessage *newObserver = new(ELeave) CAdaptationMessage(aMessage); |
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295 CleanupStack::PushL(newObserver); |
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296 iObserversList.AddObserverL(newObserver); // CAdaptationMessage's ownership is passed to iObserversList |
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297 CleanupStack::Pop();//newObserver |
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298 } |
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299 |
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300 void CStateAdaptationObservers::DoNotifyCoopSysEventCancelL(const RMessage2& aMessage) |
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301 { |
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302 iStateAdaptation.NotifyCancel(); |
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303 CAdaptationMessage *newObserver = new(ELeave) CAdaptationMessage(aMessage); |
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304 iObserversList.RemoveObserver(newObserver); // CAdaptationMessage's ownership is passed to iObserversList |
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305 aMessage.Complete(KErrNone); |
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306 |
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307 if(iObserversList.Count() == 0) |
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308 { |
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309 // Last observer cancelled, stop notification |
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310 if (IsActive()) |
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311 { |
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312 Cancel(); |
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313 } |
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314 } |
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315 } |
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316 |
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317 |
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318 /** |
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319 * Starts notification for this active object and sets it active |
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320 * |
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321 * @internalComponent |
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322 */ |
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323 void CStateAdaptationObservers::StartNotification() |
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324 { |
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325 DEBUGPRINT1A("CStateAdaptationObservers starting request for event notification"); |
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326 iStateAdaptation.NotifyCoopSysEvent(iEventPckg,iStatus); |
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327 |
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328 SetActive(); |
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329 } |
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330 |
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331 //from CActive |
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332 |
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333 |
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334 void CStateAdaptationObservers::RunL() |
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335 { |
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336 DEBUGPRINT1A("CStateAdaptationObservers received event notification"); |
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337 iObserversList.NotifyAndRemoveAll(iEventPckg(),iStatus.Int()); |
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338 } |
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339 |
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340 TInt CStateAdaptationObservers::RunError( TInt /*aError */) |
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341 { |
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342 iObserversList.Close(); |
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343 return KErrNone; |
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344 } |
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345 |
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346 void CStateAdaptationObservers::DoCancel() |
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347 { |
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348 DEBUGPRINT1A("CStateAdaptationObservers cancelling request for event notification"); |
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349 iStateAdaptation.NotifyCancel(); |
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350 iObserversList.NotifyAndRemoveAll(iEventPckg(), KErrCancel); |
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351 } |
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352 |
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353 |
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354 //Observer related functionality |
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355 void RStateAdaptationObserversList::AddObserverL(CAdaptationMessage *aNotificationMessage) |
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356 { |
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357 //any error will cause a leave |
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358 iObservers.AppendL(aNotificationMessage); |
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359 } |
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360 void RStateAdaptationObserversList::Close() |
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361 { |
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362 // Before close, cleanup and signal all clients |
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363 NotifyAndRemoveAll(static_cast<TSsmCoopSysEventType>(0), KErrCancel); |
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364 // Now free the resources in the array |
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365 iObservers.Close(); |
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366 } |
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367 |
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368 TInt RStateAdaptationObserversList::Count() |
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369 { |
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370 return iObservers.Count(); |
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371 } |
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372 |
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373 void RStateAdaptationObserversList::NotifyAndRemoveAll(TSsmCoopSysEventType aEventType,TInt aCompleteCode) |
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374 { |
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375 TInt index,count = iObservers.Count(); |
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376 |
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377 for(index =0;index < count ;index++) |
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378 { |
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379 TPckg<TSsmCoopSysEventType> pckgEvType(aEventType); |
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380 |
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381 // Complete the client with the requested code unless |
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382 // the descriptor write fails |
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383 TInt completeCode = aCompleteCode; |
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384 // Only copy across the event type if it was successful |
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385 if(aCompleteCode == KErrNone) |
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386 { |
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387 TRAPD(err,iObservers[index]->WriteL(0,pckgEvType)); |
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388 if(err != KErrNone) |
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389 { |
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390 completeCode = err; |
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391 } |
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392 } |
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393 iObservers[index]->Complete(completeCode); |
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394 delete iObservers[index]; |
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395 iObservers[index] = NULL; |
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396 } |
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397 iObservers.Reset(); |
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398 } |
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399 |
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400 |
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401 void RStateAdaptationObserversList::RemoveObserver(CAdaptationMessage *aCancelMessage) |
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402 { |
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403 if (aCancelMessage == NULL) |
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404 { |
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405 return; |
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406 } |
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407 TInt index,count = iObservers.Count(); |
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408 CAdaptationMessage *notificationMessage; |
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409 for(index =0; index < count; index++) |
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410 { |
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411 notificationMessage = iObservers[index]; |
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412 |
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413 // Compare on session pointers to check that the cancel only happens to notifications from the |
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414 // same session |
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415 if( notificationMessage->Session() == aCancelMessage->Session() ) |
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416 { |
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417 CAdaptationMessage *message= iObservers[index]; |
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418 iObservers[index]->Complete(KErrCancel); |
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419 iObservers.Remove(index); |
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420 delete message; |
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421 break; |
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422 } |
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423 } |
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424 delete aCancelMessage; |
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425 } |
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426 |
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427 |
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428 |
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429 |
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430 |