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1 // Copyright (c) 2005-2009 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 @file |
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18 @internalTechnology |
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19 @released |
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20 */ |
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21 |
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22 #include "CCntRequest.h" |
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23 #include "CCntStateMachine.h" |
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24 #include "CCntPackager.h" |
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25 #include <cntitem.h> |
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26 |
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27 // CCntRequest |
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28 // CCntRequest is the base class for all Request classes that handle external |
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29 // requests (requests that originate from the CContactDatabase). Internal requests |
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30 // derive from the CReqInternal class. |
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31 // Note 1: All unpacking of objects should be done within Construction. |
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32 // Note 2: The destruction of request objects is a little unusual. |
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33 // The destruction of requests objects is usually the responsibility of the CStatemachine or in the CRequestStore class. |
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34 // The destruction of requests is usually performed using the CCntRequest::CompletePD method. See below |
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35 // Note 3: Each request has a timeout member - the time for which the request remains valid - and a timeouterror member variable. |
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36 // The iTimeOutError is the error that will be returned to the client in the event of the request timing out. The default |
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37 // timeout value is KErrNotReady but the CStateMachine can reset this depending on the last action the statemachine attempted |
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38 // to perform before the request timedout. |
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39 // Timeouts work as follows - the statemachine returns TDeferred indicating it could not process the request in the current state |
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40 // The request is added to the request store, CRequestStore, and the timeout is activated via the CCntRequest::ActivateTimeOutL |
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41 // method. There are two possible outcomes: |
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42 // 1. The state changes, or a contact item is unlocked, and the request is activated and processed by the CStateMachine |
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43 // 2. The request times out, CCntRequestTimer::RunL is called and the request is completed with the iTimeOutError error code. |
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44 |
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45 /** |
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46 Base CCntRequest constructor |
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47 @param aSessionId The session from which the request originated |
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48 @param aMessage The RMessage from the client |
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49 @param aTimeOut The lenght of time in milliseconds for which the request remains valid |
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50 */ |
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51 |
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52 CCntRequest::CCntRequest(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
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53 :iMessage(aMessage), |
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54 iSessionId(aSessionId), |
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55 iTimeOut(aTimeOut), |
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56 iTimeOutError(KErrNotReady) |
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57 { |
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58 ASSERT(aSessionId); // Should never be NULL |
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59 // All internal requests do not have a session ID, such requests derive from the CReqInternal |
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60 // and NOT from CCntRequest. |
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61 } |
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62 |
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63 /** |
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64 Complete the requests internal iMessage |
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65 |
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66 @param aErrCode The error code with which the message will be completed |
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67 */ |
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68 void CCntRequest::Complete(TInt aErrCode) |
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69 { |
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70 iMessage.Complete(aErrCode); |
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71 } |
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72 |
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73 CCntRequest::~CCntRequest() |
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74 { |
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75 delete iTimer; |
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76 } |
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77 |
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78 /** |
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79 Start the timeout |
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80 A timer is only ever added when it does not exist and a non-zero timeout value has |
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81 been specified, because the request may be activated, processed and deferred more than once. |
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82 The result of request processing could be to add the request to the request queue again. |
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83 |
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84 @param aReqStore When a times out, the timer access the store to complete the request with |
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85 a timeout error. |
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86 */ |
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87 void CCntRequest::ActivateTimeOutL(CRequestStore& aReqStore) |
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88 { |
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89 if ((iTimer == NULL) && (iTimeOut != 0)) |
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90 { |
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91 iTimer = CCntRequestTimer::NewL(*this, aReqStore); |
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92 iTimer->Start(); |
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93 } |
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94 } |
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95 |
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96 /** |
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97 Stop the timeout |
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98 */ |
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99 void CCntRequest::DeActivateTimeOut() |
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100 { |
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101 if (iTimer) |
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102 { |
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103 iTimer->Stop(); |
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104 } |
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105 |
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106 delete iTimer; |
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107 iTimer = NULL; |
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108 } |
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109 |
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110 /** |
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111 Set the timeout error code |
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112 Inorder to assure binary compatibility with the original Contacts Model, |
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113 which did not retry processing client requests, the error code - reason |
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114 why an request can not be processed - needs to be stored and returned to |
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115 to the client if a subsequest/retry to process the request fails. |
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116 For example if a contact item has been locked by one session, a request |
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117 to open the contact item by a second session should complete with KErrInUse |
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118 however if the server has been put into a transaction state by one session, |
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119 the seconds session request should complete with KErrNotReady |
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120 KErrNotReady is the default error timeout value set by the base state CState |
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121 it is also be set the CCntRequest constructor |
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122 |
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123 @param aError The error code with which the message will be completed if it times out |
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124 |
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125 */ |
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126 void CCntRequest::SetTimeOutError(TInt aError) |
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127 { |
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128 iTimeOutError = aError; |
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129 } |
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130 |
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131 /** |
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132 Get the timeout error code |
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133 @return The timeout error code |
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134 */ |
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135 TInt CCntRequest::TimeOutError()const |
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136 { |
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137 return iTimeOutError; |
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138 } |
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139 |
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140 |
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141 /** |
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142 Does not complete a RMessage - Internal Request do not contain a RMessage |
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143 as they don't originate from the client. Do nothing. |
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144 @param aErrorCode Not used |
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145 */ |
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146 void CReqInternal::Complete(TInt /* aErrorCode*/) |
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147 { |
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148 } |
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149 |
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150 |
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151 // Request Helper classes |
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152 // ----------------------- |
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153 // CCntRequestTimer |
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154 // CRequestStore |
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155 |
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156 /** |
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157 CCntRequestTimer constructor |
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158 CCntRequestTimer is an active object derived from CTimer |
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159 @param aRequest The request which will timeout |
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160 @param aReqStore The array that holds the deferred request |
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161 The request must be removed from the request store after |
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162 it is completed with an error code. |
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163 */ |
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164 CCntRequestTimer* CCntRequestTimer::NewL(CCntRequest& aRequest, CRequestStore& aReqStore) |
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165 { |
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166 CCntRequestTimer* self = new (ELeave) CCntRequestTimer(aRequest, aReqStore); |
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167 CleanupStack::PushL(self); |
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168 self->ConstructL(); |
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169 CleanupStack::Pop(self); |
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170 return self; |
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171 } |
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172 |
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173 |
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174 CCntRequestTimer::~CCntRequestTimer() |
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175 { |
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176 CTimer::Cancel(); |
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177 } |
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178 |
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179 |
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180 CCntRequestTimer::CCntRequestTimer(CCntRequest& aRequest, CRequestStore& aReqStore) |
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181 : CTimer(CActive::EPriorityIdle), |
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182 iRequest(aRequest), |
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183 iReqStore(aReqStore) |
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184 { |
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185 } |
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186 |
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187 |
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188 void CCntRequestTimer::ConstructL() |
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189 { |
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190 CTimer::ConstructL(); |
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191 CActiveScheduler::Add(this); |
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192 } |
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193 |
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194 void CCntRequestTimer::RunL() |
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195 { |
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196 // Complete the contact with the timeout error |
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197 iRequest.Complete(iRequest.TimeOutError()); |
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198 CTimer::Cancel(); |
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199 iReqStore.RemoveD(&iRequest); |
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200 } |
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201 |
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202 void CCntRequestTimer::Start() |
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203 { |
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204 CTimer::After(iRequest.TimeOut()); |
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205 } |
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206 |
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207 void CCntRequestTimer::Stop() |
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208 { |
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209 CTimer::Cancel(); |
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210 } |
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211 |
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212 |
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213 |
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214 |
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215 /** |
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216 Object are added when the session requests a Transaction to begin |
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217 but the database is already in a transaction state for another session |
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218 There can only ever handle one transaction request - no concurrency! |
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219 |
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220 @param aStateMachine The request store calls the statemachine to process the |
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221 request. |
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222 */ |
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223 CRequestStore* CRequestStore::NewL(CCntStateMachine& aStateMachine) |
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224 { |
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225 CRequestStore* self = new (ELeave) CRequestStore(aStateMachine); |
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226 return self; |
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227 } |
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228 |
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229 CRequestStore::CRequestStore(CCntStateMachine& aStateMachine): |
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230 iStateMachine(aStateMachine) |
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231 { |
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232 } |
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233 |
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234 CRequestStore::~CRequestStore() |
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235 { |
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236 iStore.ResetAndDestroy(); |
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237 delete iActive; |
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238 } |
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239 |
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240 /** |
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241 Remove the request from the store and delete the request |
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242 |
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243 @param aRequest The request that should be removed from the store and deleted |
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244 The Request Store takes ownership of this object |
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245 */ |
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246 void CRequestStore::RemoveD(CCntRequest* aRequest) |
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247 { |
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248 TInt index = iStore.Find(aRequest); |
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249 if (index > KErrNotFound) |
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250 { |
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251 iStore.Remove(index); |
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252 } |
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253 delete aRequest; |
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254 aRequest = NULL; |
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255 } |
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256 |
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257 |
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258 /** |
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259 Append a request to the request store |
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260 |
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261 @param aRequest The request that is to be appended to the store |
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262 */ |
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263 void CRequestStore::AppendL(CCntRequest* aRequest) |
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264 { |
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265 // The heap is safe since the request is appended to the contained store. |
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266 // Pop as the stack will be out of sync when the statemachine processes |
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267 // the request. |
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268 User::LeaveIfError(iStore.Append(aRequest)); |
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269 } |
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270 |
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271 /** |
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272 Get the first request from the store |
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273 |
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274 @return The request a the beginning of the stores array |
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275 Ownership of the request is given to the calling method |
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276 */ |
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277 CCntRequest* CRequestStore::Request() |
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278 { |
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279 CCntRequest* request = iStore[KFirstRequest]; |
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280 iStore.Remove(KFirstRequest); |
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281 |
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282 return request; // Return ownership |
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283 } |
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284 |
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285 /** |
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286 Is there requests in the store |
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287 |
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288 @return ETrue if there are no request, EFalse otherwise |
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289 */ |
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290 TBool CRequestStore::IsEmpty() |
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291 { |
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292 if (iStore.Count() > 0) |
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293 return EFalse; |
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294 |
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295 return ETrue; |
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296 } |
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297 |
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298 /** |
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299 Activate the store. |
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300 The request store uses the CActiveLoop for callbacks on each iteration |
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301 of the CActiveLoop only one request is processed until all |
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302 requests have been processed. |
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303 */ |
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304 void CRequestStore::ActivateRequestsL() |
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305 { |
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306 if (!iActive) |
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307 { |
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308 iActive = CActiveLoop::NewL(); |
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309 } |
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310 |
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311 // Only process the requests in the store when it has been activated. |
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312 // Don't process any requests added to the store after it has been activated. |
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313 // Requests may be readded to the store & should not be processed twice |
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314 // in the same batch. |
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315 // The store may already have been activated. |
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316 if ((!iActive->IsActive()) && (iNoOfRequests == 0)) |
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317 { |
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318 iActive->Register(*this); |
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319 iNoOfRequests = iStore.Count(); |
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320 } |
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321 } |
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322 |
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323 /** |
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324 Process the next request in the store. |
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325 If the request has timed out return an error |
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326 otherwise process the request as normal. |
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327 |
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328 @ return ETrue if another step is required, EFalse if this is the last step |
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329 */ |
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330 TBool CRequestStore::DoStepL() |
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331 { |
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332 ASSERT(iCurrentRequest == NULL); |
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333 |
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334 iCurrentRequest = Request(); |
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335 iStateMachine.ProcessRequestL(iCurrentRequest); // ownership transferred |
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336 |
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337 // ProcessRequestL received ownership of the request, iCurrentRequest can be |
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338 // reset to NULL |
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339 iCurrentRequest = NULL; |
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340 |
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341 --iNoOfRequests; |
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342 |
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343 if (iNoOfRequests == 0) |
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344 { |
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345 return EFalse; // The store has tried to process all requests it holds |
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346 } |
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347 |
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348 return ETrue; |
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349 } |
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350 |
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351 /** |
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352 Error callback from the CActiveLoop class. |
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353 |
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354 @ param aError The error to complete the current request (the request that is |
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355 being processed) |
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356 */ |
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357 void CRequestStore::DoError(TInt aError) |
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358 { |
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359 // there should always be a current request |
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360 ASSERT(iCurrentRequest); |
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361 if (iCurrentRequest) |
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362 { |
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363 iCurrentRequest->Complete(aError); |
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364 delete iCurrentRequest; |
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365 |
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366 iCurrentRequest = NULL; |
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367 } |
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368 } |
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369 |
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370 |
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371 /** |
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372 CReqAsyncOpen constructor |
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373 Request to open the database asyncronously |
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374 |
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375 @see CCntRequest constructor |
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376 */ |
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377 CReqAsyncOpen* CReqAsyncOpen::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
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378 { |
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379 CReqAsyncOpen* self = new (ELeave) CReqAsyncOpen(aSessionId, aMessage, aTimeOut); |
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380 CleanupStack::PushL(self); |
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381 self->ConstructL(); |
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382 return self; |
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383 } |
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384 |
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385 CReqAsyncOpen::CReqAsyncOpen(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut ) |
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386 : CCntRequest(aSessionId, aMessage, aTimeOut) |
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387 { |
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388 } |
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389 |
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390 void CReqAsyncOpen::ConstructL() |
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391 { |
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392 iMessage.ReadL(0,iFilename); |
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393 } |
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394 |
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395 /** |
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396 Get the name of the file that is to be opened |
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397 The DBManager may change this name. If no name has been passed by the client |
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398 then the default is set by the manager |
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399 |
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400 @return The name of the file that should be opened |
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401 */ |
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402 TDes& CReqAsyncOpen::FileName() |
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403 { |
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404 return iFilename; |
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405 } |
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406 |
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407 TAccept CReqAsyncOpen::VisitStateL(CState& aState) |
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408 { |
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409 return aState.AcceptRequestL(this); |
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410 } |
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411 |
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412 /** |
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413 CReqCloseTables constructor |
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414 Close the database tables |
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415 |
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416 @see CCntRequest constructor |
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417 */ |
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418 CReqCloseTables* CReqCloseTables::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
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419 { |
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420 CReqCloseTables* self = new (ELeave) CReqCloseTables(aSessionId, aMessage, aTimeOut); |
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421 CleanupStack::PushL(self); |
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422 return self; |
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423 }; |
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424 |
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425 CReqCloseTables::CReqCloseTables(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
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426 :CCntRequest(aSessionId, aMessage, aTimeOut) |
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427 { |
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428 } |
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429 |
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430 |
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431 TAccept CReqCloseTables::VisitStateL(CState& aState) |
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432 { |
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433 return aState.AcceptRequestL(this); |
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434 } |
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435 |
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436 |
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437 /** |
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438 CReqReOpen |
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439 Re Open the database |
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440 |
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441 @see CCntRequest constructor |
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442 */ |
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443 CReqReOpen* CReqReOpen::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
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444 { |
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445 CReqReOpen* self = new (ELeave) CReqReOpen(aSessionId, aMessage, aTimeOut); |
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446 CleanupStack::PushL(self); |
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447 return self; |
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448 } |
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449 |
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450 CReqReOpen::CReqReOpen(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
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451 :CCntRequest(aSessionId, aMessage, aTimeOut) |
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452 { |
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453 } |
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454 |
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455 TAccept CReqReOpen::VisitStateL(CState& aState) |
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456 { |
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457 return aState.AcceptRequestL(this); |
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458 } |
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459 |
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460 |
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461 /** |
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462 CReqCancelAsyncOpen |
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463 Cancel an asyncronous open request |
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464 |
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465 @see CCntRequest constructor |
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466 */ |
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467 CReqCancelAsyncOpen* CReqCancelAsyncOpen::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
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468 { |
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469 CReqCancelAsyncOpen* self = new (ELeave) CReqCancelAsyncOpen(aSessionId, aMessage, aTimeOut); |
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470 CleanupStack::PushL(self); |
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471 return self; |
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472 } |
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473 |
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474 CReqCancelAsyncOpen::CReqCancelAsyncOpen(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
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475 :CCntRequest(aSessionId, aMessage, aTimeOut) |
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476 { |
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477 } |
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478 |
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479 TAccept CReqCancelAsyncOpen::VisitStateL(CState& aState) |
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480 { |
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481 return aState.AcceptRequestL(this); |
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482 } |
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483 |
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484 |
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485 |
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486 /** |
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487 CReqUpdate |
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488 Parent Class for CReqUpdateCnt & CReqCommitCnt |
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489 |
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490 @see CCntRequest constructor |
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491 */ |
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492 void CReqUpdate::ConstructL(CCntPackager& aPackager) |
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493 { |
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494 aPackager.SetBufferFromMessageL(iMessage); |
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495 iCntItem = aPackager.UnpackCntItemLC(); |
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496 CleanupStack::Pop(iCntItem); |
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497 } |
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498 |
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499 CReqUpdate::~CReqUpdate() |
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500 { |
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501 delete iCntItem; |
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502 } |
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503 |
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504 CReqUpdate::CReqUpdate(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
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505 :CCntRequest(aSessionId, aMessage, aTimeOut) |
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506 { |
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507 } |
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508 |
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509 |
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510 |
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511 /** CReqUpdateCnt constructor |
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512 Update a contact item - derived from CReqUpdate. Used in conjunction with CReqReadCnt. |
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513 Note: CReqCommitCnt is very similar to CReqUpdateCnt, but CReqCommitCnt is used with CReqOpenCnt |
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514 and locks the contact. CReqUpdateCnt does not perform locking. |
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515 |
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516 @see CCntRequest constructor |
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517 */ |
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518 CReqUpdateCnt* CReqUpdateCnt::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut, CCntPackager& aPackager) |
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519 { |
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520 CReqUpdateCnt* self = new (ELeave) CReqUpdateCnt(aSessionId, aMessage, aTimeOut); |
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521 CleanupStack::PushL(self); |
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522 self->ConstructL(aPackager); |
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523 return self; |
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524 } |
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525 |
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526 CReqUpdateCnt::CReqUpdateCnt(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
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527 :CReqUpdate(aSessionId, aMessage, aTimeOut) |
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528 { |
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529 } |
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530 |
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531 TAccept CReqUpdateCnt::VisitStateL(CState& aState) |
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532 { |
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533 return aState.AcceptRequestL(this); |
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534 } |
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535 |
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536 |
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537 /** |
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538 CReqSetSpeedDial constructor |
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539 Set a speed dial key |
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540 |
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541 @see CCntRequest constructor |
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542 */ |
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543 CReqSetSpeedDial* CReqSetSpeedDial::NewLC( const TUint aSessionId, |
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544 const RMessage2& aMessage, |
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545 const TInt aTimeOut, |
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546 CContactItemViewDef& aItemViewDef, |
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547 CCntServerSpeedDialManager& aSpeedDialManager, |
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548 const CCntServerSpeedDialTable& aTable, |
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549 MIniFileManager& aIniFileManager) |
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550 { |
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551 CReqSetSpeedDial* self = new (ELeave) CReqSetSpeedDial( aSessionId, |
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552 aMessage, |
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553 aTimeOut, |
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554 aItemViewDef, |
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555 aSpeedDialManager, |
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556 aTable, |
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557 aIniFileManager); |
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558 CleanupStack::PushL(self); |
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559 self->ConstructL(); |
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560 return self; |
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561 } |
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562 |
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563 CReqSetSpeedDial::CReqSetSpeedDial( const TUint aSessionId, |
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564 const RMessage2& aMessage, |
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565 const TInt aTimeOut, |
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566 CContactItemViewDef& aItemViewDef, |
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567 CCntServerSpeedDialManager& aSpeedDialManager, |
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568 const CCntServerSpeedDialTable& aTable, |
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569 MIniFileManager& aIniFileManager) |
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570 :CCntRequest(aSessionId, aMessage, aTimeOut), iItemViewDef(&aItemViewDef), iSpeedDialManager(aSpeedDialManager), iTable(aTable), iIniFileManager(aIniFileManager) |
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571 { |
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572 } |
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573 |
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574 void CReqSetSpeedDial::ConstructL() |
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575 { |
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576 // Read the message |
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577 // Read position |
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578 iSpeedDialIndex = iMessage.Int0(); |
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579 // Read contact id |
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580 iContactId = static_cast<TContactItemId> (iMessage.Int1()); |
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581 // Read Field Index |
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582 iTheFieldIndex = iMessage.Int2(); |
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583 } |
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584 |
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585 TAccept CReqSetSpeedDial::VisitStateL(CState& aState) |
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586 { |
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587 return aState.AcceptRequestL(this); |
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588 } |
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589 |
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590 TInt CReqSetSpeedDial::SpeedDialIndex() |
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591 { |
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592 return iSpeedDialIndex; |
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593 } |
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594 |
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595 TContactItemId CReqSetSpeedDial::TheContactId() |
|
596 { |
|
597 return iContactId; |
|
598 } |
|
599 |
|
600 TInt CReqSetSpeedDial::TheFieldIndex() |
|
601 { |
|
602 return iTheFieldIndex; |
|
603 } |
|
604 |
|
605 const CContactItemViewDef& CReqSetSpeedDial::ItemViewDef() |
|
606 { |
|
607 return *iItemViewDef; |
|
608 } |
|
609 |
|
610 CCntServerSpeedDialManager& CReqSetSpeedDial::SpeedDialManager() |
|
611 { |
|
612 return iSpeedDialManager; |
|
613 } |
|
614 |
|
615 const CCntServerSpeedDialTable& CReqSetSpeedDial::SpeedDialTable() |
|
616 { |
|
617 return iTable; |
|
618 } |
|
619 |
|
620 MIniFileManager& CReqSetSpeedDial::IniFileManager() |
|
621 { |
|
622 return iIniFileManager; |
|
623 } |
|
624 |
|
625 /** |
|
626 CReqSetOwnCard constructor |
|
627 Set the own card |
|
628 |
|
629 @see CCntRequest constructor |
|
630 */ |
|
631 CReqSetOwnCard* CReqSetOwnCard::NewLC( const TUint aSessionId, |
|
632 const RMessage2& aMessage, |
|
633 const TInt aTimeOut, |
|
634 CCntPackager& aPackager, |
|
635 CContactItemViewDef& aItemViewDef, |
|
636 MIniFileManager& aIniFileManager) |
|
637 { |
|
638 CReqSetOwnCard* self = new (ELeave) CReqSetOwnCard( aSessionId, |
|
639 aMessage, |
|
640 aTimeOut, |
|
641 aItemViewDef, |
|
642 aIniFileManager); |
|
643 CleanupStack::PushL(self); |
|
644 self->ConstructL(aPackager); |
|
645 return self; |
|
646 } |
|
647 |
|
648 CReqSetOwnCard::CReqSetOwnCard( const TUint aSessionId, |
|
649 const RMessage2& aMessage, |
|
650 const TInt aTimeOut, |
|
651 CContactItemViewDef& aItemViewDef, |
|
652 MIniFileManager& aIniFileManager) |
|
653 :CReqUpdate(aSessionId, aMessage, aTimeOut), iItemViewDef(&aItemViewDef), iIniFileManager(aIniFileManager) |
|
654 { |
|
655 } |
|
656 |
|
657 |
|
658 |
|
659 TAccept CReqSetOwnCard::VisitStateL(CState& aState) |
|
660 { |
|
661 return aState.AcceptRequestL(this); |
|
662 } |
|
663 |
|
664 TContactItemId CReqSetOwnCard::TheContactId() |
|
665 { |
|
666 return iContactId; |
|
667 } |
|
668 |
|
669 const CContactItemViewDef& CReqSetOwnCard::ItemViewDef() |
|
670 { |
|
671 return *iItemViewDef; |
|
672 } |
|
673 |
|
674 |
|
675 MIniFileManager& CReqSetOwnCard::IniFileManager() |
|
676 { |
|
677 return iIniFileManager; |
|
678 } |
|
679 |
|
680 /** |
|
681 CReqCommitCnt constructor |
|
682 Commit a contact item - used in conjunction with CReqOpenCnt |
|
683 Derived from CReqUpdate, and is very similar to CReqUpdateCnt but also locks the contact item |
|
684 so no other session can modify it. |
|
685 |
|
686 @see CCntRequest constructor |
|
687 */ |
|
688 CReqCommitCnt* CReqCommitCnt::NewLC(const TUint aSessionId, |
|
689 const RMessage2& aMessage, |
|
690 const TInt aTimeOut, |
|
691 CCntPackager& aPackager) |
|
692 { |
|
693 CReqCommitCnt* self = new (ELeave) CReqCommitCnt(aSessionId, aMessage, aTimeOut); |
|
694 CleanupStack::PushL(self); |
|
695 self->ConstructL(aPackager); |
|
696 return self; |
|
697 } |
|
698 |
|
699 CReqCommitCnt::CReqCommitCnt(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
700 :CReqUpdate(aSessionId, aMessage, aTimeOut) |
|
701 { |
|
702 } |
|
703 |
|
704 TAccept CReqCommitCnt::VisitStateL(CState& aState) |
|
705 { |
|
706 return aState.AcceptRequestL(this); |
|
707 } |
|
708 |
|
709 |
|
710 |
|
711 |
|
712 |
|
713 /** CReqRead constructor |
|
714 Parent class of CReqReadCnt & CReqOpenCnt |
|
715 CReqOpenCnt and CReqReadCnt are very similar |
|
716 CReqOpenCnt results in the contact item being locked by the session, so no other session |
|
717 can modify the contact item. |
|
718 CReqReadCnt results in no locking. |
|
719 Note: The CRequest::CompleteL method is overridden in this class |
|
720 |
|
721 @see CCntRequest constructor |
|
722 */ |
|
723 CReqRead::CReqRead(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut, CCntPackager& aPackager, CContactItemViewDef& aItemViewDef) |
|
724 :CCntRequest(aSessionId, aMessage, aTimeOut), |
|
725 iPackager(aPackager), |
|
726 iItemViewDef(&aItemViewDef), |
|
727 iViewDefCreated(EFalse) |
|
728 { |
|
729 } |
|
730 |
|
731 void CReqRead::ConstructL() |
|
732 { |
|
733 if (iMessage.Int3()) |
|
734 { |
|
735 iPackager.SetBufferFromMessageL(iMessage); |
|
736 iItemViewDef = iPackager.UnpackCntItemViewDefLC(); |
|
737 iViewDefCreated = ETrue; |
|
738 iPackager.Clear(); |
|
739 CleanupStack::Pop(iItemViewDef); |
|
740 } |
|
741 } |
|
742 |
|
743 CReqRead::~CReqRead() |
|
744 { |
|
745 if (iViewDefCreated) // Required - determine CntItemViewdef was extracted from iMessage |
|
746 { // encapsulates ItemViewDef nicely. |
|
747 delete iItemViewDef; |
|
748 } |
|
749 } |
|
750 |
|
751 const CContactItemViewDef& CReqRead::ItemViewDef() |
|
752 { |
|
753 return *iItemViewDef; |
|
754 } |
|
755 |
|
756 /** Overridden CompleteL method |
|
757 Completes the request item by packing the contact item into the RMessage slot |
|
758 and returning it to the client |
|
759 |
|
760 @param aCntItem The contact item that is returned to the client. |
|
761 */ |
|
762 void CReqRead::CompleteL(const CContactItem& aCntItem) |
|
763 { |
|
764 TInt size(0); |
|
765 TPtr8 cntItemBuff = iPackager.PackL(aCntItem, size); |
|
766 // Write data if client buffer is large enough |
|
767 // otherwise return the required buffer size. |
|
768 if(iMessage.GetDesMaxLength(1) >= size) |
|
769 { |
|
770 iMessage.WriteL(1, cntItemBuff); |
|
771 Complete(KErrNone); |
|
772 } |
|
773 else |
|
774 { |
|
775 Complete(size); |
|
776 } |
|
777 } |
|
778 |
|
779 |
|
780 /** CReqOpenCnt constructor |
|
781 Open a Contact Item - derived from CReqRead. |
|
782 Very similar to CReqReadCnt but also results in the contact item being locked |
|
783 |
|
784 @see CReqRead constructor |
|
785 */ |
|
786 CReqOpenCnt* CReqOpenCnt::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut, CCntPackager& aPackager, CContactItemViewDef& aItemViewDef) |
|
787 { |
|
788 CReqOpenCnt* self = new (ELeave) CReqOpenCnt(aSessionId, aMessage, aTimeOut, aPackager, aItemViewDef); |
|
789 CleanupStack::PushL(self); |
|
790 self->ConstructL(); |
|
791 return self; |
|
792 } |
|
793 |
|
794 CReqOpenCnt::CReqOpenCnt(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut, CCntPackager& aPackager, CContactItemViewDef& aItemViewDef) |
|
795 :CReqRead(aSessionId, aMessage, aTimeOut, aPackager, aItemViewDef) |
|
796 { |
|
797 } |
|
798 |
|
799 CReqOpenCnt::~CReqOpenCnt() |
|
800 { |
|
801 } |
|
802 |
|
803 |
|
804 TAccept CReqOpenCnt::VisitStateL(CState& aState) |
|
805 { |
|
806 return aState.AcceptRequestL(this); |
|
807 } |
|
808 |
|
809 |
|
810 /** |
|
811 CReqReadCnt constructor |
|
812 Read a contact item - derived from CReqRead |
|
813 Very similar to CReqOpenCnt but does not result in locking the contact item |
|
814 |
|
815 @see CReqRead constructor |
|
816 |
|
817 */ |
|
818 CReqReadCnt* CReqReadCnt::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut, CCntPackager& aPackager, CContactItemViewDef& aItemViewDef) |
|
819 { |
|
820 CReqReadCnt* self = new (ELeave) CReqReadCnt(aSessionId, aMessage, aTimeOut, aPackager, aItemViewDef); |
|
821 CleanupStack::PushL(self); |
|
822 self->ConstructL(); |
|
823 return self; |
|
824 } |
|
825 |
|
826 CReqReadCnt::CReqReadCnt(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut, CCntPackager& aPackager, CContactItemViewDef& aItemViewDef) |
|
827 :CReqRead(aSessionId, aMessage, aTimeOut, aPackager, aItemViewDef) |
|
828 { |
|
829 } |
|
830 |
|
831 CReqReadCnt::~CReqReadCnt() |
|
832 { |
|
833 } |
|
834 |
|
835 |
|
836 TAccept CReqReadCnt::VisitStateL(CState& aState) |
|
837 { |
|
838 return aState.AcceptRequestL(this); |
|
839 } |
|
840 |
|
841 |
|
842 |
|
843 /** |
|
844 CReqDeleteCnt constructor |
|
845 Delete a contact Item |
|
846 |
|
847 @see CCntRequest constructor |
|
848 */ |
|
849 CReqDeleteCnt* CReqDeleteCnt::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
850 { |
|
851 CReqDeleteCnt* self = new (ELeave) CReqDeleteCnt(aSessionId, aMessage, aTimeOut); |
|
852 CleanupStack::PushL(self); |
|
853 return self; |
|
854 } |
|
855 |
|
856 CReqDeleteCnt::CReqDeleteCnt(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
857 :CCntRequest(aSessionId, aMessage, aTimeOut) |
|
858 { |
|
859 } |
|
860 |
|
861 CReqDeleteCnt::~CReqDeleteCnt() |
|
862 { |
|
863 } |
|
864 |
|
865 TAccept CReqDeleteCnt::VisitStateL(CState& aState) |
|
866 { |
|
867 return aState.AcceptRequestL(this); |
|
868 } |
|
869 |
|
870 |
|
871 |
|
872 |
|
873 /** CReqCloseCnt |
|
874 Close a contact Item - Used in conjunction with CReqOpenCnt to remove the lock on the contact item |
|
875 without committing. |
|
876 |
|
877 @see CCntRequest constructor |
|
878 */ |
|
879 CReqCloseCnt* CReqCloseCnt::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
880 { |
|
881 CReqCloseCnt* self = new (ELeave) CReqCloseCnt(aSessionId, aMessage, aTimeOut); |
|
882 CleanupStack::PushL(self); |
|
883 return self; |
|
884 } |
|
885 |
|
886 CReqCloseCnt::CReqCloseCnt(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
887 :CCntRequest(aSessionId, aMessage, aTimeOut) |
|
888 { |
|
889 } |
|
890 |
|
891 CReqCloseCnt::~CReqCloseCnt() |
|
892 { |
|
893 } |
|
894 |
|
895 TAccept CReqCloseCnt::VisitStateL(CState& aState) |
|
896 { |
|
897 return aState.AcceptRequestL(this); |
|
898 } |
|
899 |
|
900 /** |
|
901 CReqCreateCnt constructor |
|
902 Create a contact item, this request is completed with the new contact item id or an error code. |
|
903 |
|
904 @see CCntRequest constructor |
|
905 */ |
|
906 CReqCreateCnt* CReqCreateCnt::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut, CCntPackager& aPackager) |
|
907 { |
|
908 CReqCreateCnt* self = new (ELeave) CReqCreateCnt(aSessionId, aMessage, aTimeOut); |
|
909 CleanupStack::PushL(self); |
|
910 self->ConstructL(aPackager); |
|
911 return self; |
|
912 } |
|
913 |
|
914 CReqCreateCnt::CReqCreateCnt(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
915 :CCntRequest(aSessionId, aMessage, aTimeOut) |
|
916 { |
|
917 } |
|
918 |
|
919 CReqCreateCnt::~CReqCreateCnt() |
|
920 { |
|
921 delete iCntItem; |
|
922 } |
|
923 |
|
924 TAccept CReqCreateCnt::VisitStateL(CState& aState) |
|
925 { |
|
926 #if defined(__PROFILE_DEBUG__) |
|
927 RDebug::Print(_L("[CNTMODEL] MTD: CCntStateMachine::ProcessRequestL")); |
|
928 #endif |
|
929 |
|
930 return aState.AcceptRequestL(this); |
|
931 } |
|
932 |
|
933 void CReqCreateCnt::ConstructL(CCntPackager& aPackager) |
|
934 { |
|
935 aPackager.SetBufferFromMessageL(iMessage); |
|
936 iCntItem = aPackager.UnpackCntItemLC(); |
|
937 CleanupStack::Pop(iCntItem); |
|
938 } |
|
939 |
|
940 |
|
941 |
|
942 |
|
943 // Database Transactin Request Class implemenations // |
|
944 |
|
945 |
|
946 /** |
|
947 CReqDbBeginTrans constructor |
|
948 Request to begin a transaction - moves the state machine into a transaction state |
|
949 |
|
950 @see CCntRequest constructor |
|
951 */ |
|
952 CReqDbBeginTrans* CReqDbBeginTrans::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
953 { |
|
954 CReqDbBeginTrans* self = new (ELeave) CReqDbBeginTrans(aSessionId, aMessage, aTimeOut); |
|
955 CleanupStack::PushL(self); |
|
956 return self; |
|
957 } |
|
958 |
|
959 TAccept CReqDbBeginTrans::VisitStateL(CState& aState) |
|
960 { |
|
961 return aState.AcceptRequestL(this); |
|
962 } |
|
963 |
|
964 |
|
965 |
|
966 CReqDbBeginTrans::CReqDbBeginTrans(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
967 :CCntRequest(aSessionId, aMessage, aTimeOut) |
|
968 { |
|
969 } |
|
970 |
|
971 /** |
|
972 CReqDbCommitTrans constructor |
|
973 Request to Commit a transaction |
|
974 Moves the database out of a transaction state and (usually) into a writable state |
|
975 |
|
976 @see CCntRequest constructor |
|
977 */ |
|
978 CReqDbCommitTrans* CReqDbCommitTrans::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
979 { |
|
980 CReqDbCommitTrans* self = new (ELeave) CReqDbCommitTrans(aSessionId, aMessage, aTimeOut); |
|
981 CleanupStack::PushL(self); |
|
982 return self; |
|
983 } |
|
984 |
|
985 TAccept CReqDbCommitTrans::VisitStateL(CState& aState) |
|
986 { |
|
987 return aState.AcceptRequestL(this); |
|
988 } |
|
989 |
|
990 CReqDbCommitTrans::CReqDbCommitTrans(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
991 :CCntRequest(aSessionId, aMessage, aTimeOut) |
|
992 |
|
993 { |
|
994 } |
|
995 |
|
996 |
|
997 /** |
|
998 CReqDbRollbackTrans constructor |
|
999 Request to Rollback a transaction - results in a database recovery |
|
1000 so it closes and re-opens the database if it has been damaged |
|
1001 |
|
1002 @see CCntRequest constructor |
|
1003 */ |
|
1004 CReqDbRollbackTrans* CReqDbRollbackTrans::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
1005 { |
|
1006 CReqDbRollbackTrans* self = new (ELeave) CReqDbRollbackTrans(aSessionId, aMessage, aTimeOut); |
|
1007 CleanupStack::PushL(self); |
|
1008 return self; |
|
1009 } |
|
1010 |
|
1011 TAccept CReqDbRollbackTrans::VisitStateL(CState& aState) |
|
1012 { |
|
1013 return aState.AcceptRequestL(this); |
|
1014 } |
|
1015 |
|
1016 CReqDbRollbackTrans::CReqDbRollbackTrans(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
1017 :CCntRequest(aSessionId, aMessage, aTimeOut) |
|
1018 { |
|
1019 } |
|
1020 |
|
1021 |
|
1022 /** |
|
1023 CReqBackupRestoreBegin constructor |
|
1024 Notifys the state machine that a backup/restore is beginning |
|
1025 |
|
1026 @see CCntRequest constructor |
|
1027 */ |
|
1028 CReqBackupRestoreBegin* CReqBackupRestoreBegin::NewLC() |
|
1029 { |
|
1030 CReqBackupRestoreBegin* self = new (ELeave) CReqBackupRestoreBegin(); |
|
1031 CleanupStack::PushL(self); |
|
1032 return self; |
|
1033 } |
|
1034 |
|
1035 TAccept CReqBackupRestoreBegin::VisitStateL(CState& aState) |
|
1036 { |
|
1037 return aState.AcceptRequestL(this); |
|
1038 } |
|
1039 |
|
1040 /** |
|
1041 CReqBackupRestoreEnd constructor |
|
1042 Notifys the state machine that a restore has ended |
|
1043 |
|
1044 @see CCntRequest constructor |
|
1045 */ |
|
1046 CReqBackupRestoreEnd* CReqBackupRestoreEnd::NewLC() |
|
1047 { |
|
1048 CReqBackupRestoreEnd* self = new (ELeave) CReqBackupRestoreEnd(); |
|
1049 CleanupStack::PushL(self); |
|
1050 return self; |
|
1051 } |
|
1052 |
|
1053 TAccept CReqBackupRestoreEnd::VisitStateL(CState& aState) |
|
1054 { |
|
1055 return aState.AcceptRequestL(this); |
|
1056 } |
|
1057 |
|
1058 |
|
1059 /** |
|
1060 CReqDiskSpaceLow constructor |
|
1061 @see CCntRequest constructor |
|
1062 */ |
|
1063 CReqDiskSpaceLow* CReqDiskSpaceLow::NewLC() |
|
1064 { |
|
1065 CReqDiskSpaceLow* self = new (ELeave) CReqDiskSpaceLow(); |
|
1066 CleanupStack::PushL(self); |
|
1067 return self; |
|
1068 } |
|
1069 |
|
1070 TAccept CReqDiskSpaceLow::VisitStateL(CState& aState) |
|
1071 { |
|
1072 return aState.AcceptRequestL(this); |
|
1073 } |
|
1074 |
|
1075 |
|
1076 /** |
|
1077 CReqDiskSpaceNormal constructor |
|
1078 @see CCntRequest constructor |
|
1079 */ |
|
1080 CReqDiskSpaceNormal* CReqDiskSpaceNormal::NewLC() |
|
1081 { |
|
1082 CReqDiskSpaceNormal* self = new (ELeave) CReqDiskSpaceNormal(); |
|
1083 CleanupStack::PushL(self); |
|
1084 return self; |
|
1085 } |
|
1086 |
|
1087 TAccept CReqDiskSpaceNormal::VisitStateL(CState& aState) |
|
1088 { |
|
1089 return aState.AcceptRequestL(this); |
|
1090 } |
|
1091 |
|
1092 |
|
1093 /** |
|
1094 CReqAsyncActivity constructor |
|
1095 @see CCntRequest constructor |
|
1096 */ |
|
1097 CReqAsyncActivity* CReqAsyncActivity::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
1098 { |
|
1099 CReqAsyncActivity* self = new (ELeave) CReqAsyncActivity(aSessionId, aMessage, aTimeOut); |
|
1100 CleanupStack::PushL(self); |
|
1101 return self; |
|
1102 } |
|
1103 |
|
1104 CReqAsyncActivity::CReqAsyncActivity(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut ) |
|
1105 : CCntRequest(aSessionId, aMessage, aTimeOut) |
|
1106 { |
|
1107 } |
|
1108 |
|
1109 TAccept CReqAsyncActivity::VisitStateL(CState& aState) |
|
1110 { |
|
1111 return aState.AcceptRequestL(this); |
|
1112 } |
|
1113 |
|
1114 |
|
1115 /** |
|
1116 CReqNoAsyncActivity constructor |
|
1117 @see CCntRequest constructor |
|
1118 */ |
|
1119 CReqNoAsyncActivity* CReqNoAsyncActivity::NewLC(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut) |
|
1120 { |
|
1121 CReqNoAsyncActivity* self = new (ELeave) CReqNoAsyncActivity(aSessionId, aMessage, aTimeOut); |
|
1122 CleanupStack::PushL(self); |
|
1123 return self; |
|
1124 } |
|
1125 |
|
1126 CReqNoAsyncActivity::CReqNoAsyncActivity(const TUint aSessionId, const RMessage2& aMessage, const TInt aTimeOut ) |
|
1127 : CCntRequest(aSessionId, aMessage, aTimeOut) |
|
1128 { |
|
1129 } |
|
1130 |
|
1131 TAccept CReqNoAsyncActivity::VisitStateL(CState& aState) |
|
1132 { |
|
1133 return aState.AcceptRequestL(this); |
|
1134 } |
|
1135 |
|
1136 /** |
|
1137 CReqInternalSessionUnlock constructor |
|
1138 CReqInternalSessionUnlock unlocks all remaining locked contact items when |
|
1139 a session closes. It is called from the session class destructor |
|
1140 |
|
1141 @see CCntReqInternal constructor |
|
1142 */ |
|
1143 CReqInternalSessionUnlock* CReqInternalSessionUnlock::NewLC(TInt aSessionId) |
|
1144 { |
|
1145 CReqInternalSessionUnlock* self = new (ELeave) CReqInternalSessionUnlock(aSessionId); |
|
1146 CleanupStack::PushL(self); |
|
1147 return self; |
|
1148 } |
|
1149 |
|
1150 TAccept CReqInternalSessionUnlock::VisitStateL(CState& aState) |
|
1151 { |
|
1152 return aState.AcceptRequestL(this); |
|
1153 } |
|
1154 |
|
1155 |
|
1156 //CReqInternalAsyncOpen // |
|
1157 // Similar to CReqAsyncOpen but the request originates from inside the server. |
|
1158 CReqInternalAsyncOpen* CReqInternalAsyncOpen::NewLC(const TUint aSessionId, const TDesC& aFileName, TRequestStatus& aStatus) |
|
1159 { |
|
1160 CReqInternalAsyncOpen* self = new (ELeave) CReqInternalAsyncOpen(aSessionId, aFileName, aStatus); |
|
1161 CleanupStack::PushL(self); |
|
1162 self->ConstructL(); |
|
1163 return self; |
|
1164 } |
|
1165 |
|
1166 CReqInternalAsyncOpen::CReqInternalAsyncOpen(const TUint aSessionId, const TDesC& aFileName, TRequestStatus& aStatus) |
|
1167 : CReqAsyncOpen(aSessionId), iStatus(&aStatus) |
|
1168 { |
|
1169 iFilename = aFileName; |
|
1170 } |
|
1171 |
|
1172 void CReqInternalAsyncOpen::ConstructL() |
|
1173 { |
|
1174 *iStatus = KRequestPending; |
|
1175 } |
|
1176 |
|
1177 void CReqInternalAsyncOpen::Complete(TInt aErrorCode) |
|
1178 { |
|
1179 User::RequestComplete(iStatus, aErrorCode); |
|
1180 } |
|
1181 |
|
1182 //CReqCancelInternalAsyncOpen // |
|
1183 // Similar to CReqCancelAsyncOpen but the request originates from inside the server, |
|
1184 // so there is no need to signal a RMessage that the request has completed |
|
1185 CReqCancelInternalAsyncOpen* CReqCancelInternalAsyncOpen::NewLC(const TUint aSessionId) |
|
1186 { |
|
1187 CReqCancelInternalAsyncOpen* self = new (ELeave) CReqCancelInternalAsyncOpen(aSessionId); |
|
1188 CleanupStack::PushL(self); |
|
1189 return self; |
|
1190 } |
|
1191 |
|
1192 void CReqCancelInternalAsyncOpen::Complete(TInt /*errorCode*/) |
|
1193 { |
|
1194 } |
|
1195 |