author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 01:11:40 +0200 | |
changeset 0 | d0791faffa3f |
permissions | -rw-r--r-- |
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// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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/** |
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@file |
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@released |
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@internalComponent |
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*/ |
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#include <obexfinalpacketobserver.h> |
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#include "logger.h" |
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#include "obexpacketsignaller.h" |
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#include "OBEXUTIL.H" |
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#include "obexfaults.h" |
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#include "obexclient.h" |
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|
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#ifdef __FLOG_ACTIVE |
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_LIT8(KLogComponent, "OBEX"); |
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#endif |
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|
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/** Constructor. |
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This Active Object has a priority of EPriorityHigh + 1. This is to ensure |
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that, when a final packet is sent, the RunLs are executed in the following order: |
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1/ signaller (EObexFinalPacketStarted) |
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2/ activeRW (the final packet actually being sent) |
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3/ signaller (EObexFinalPacketFinished) |
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The priority chosen is EPriorityHigh + 1 because the priorities of the |
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transport controllers' writer (CActiveRW) AOs tends to be EPriorityHigh. |
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As long as this is the case, our guarantee holds. Our documentation says that |
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new licensee transport controllers must have writers with priorities that |
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continue to support this guarantee. |
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*/ |
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CObexPacketSignaller::CObexPacketSignaller() : CActive(CActive::EPriorityHigh + 1) |
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{ |
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} |
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/** Factory function. |
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@return A fully constructed CObexPacketSignaller. |
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*/ |
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CObexPacketSignaller* CObexPacketSignaller::NewL() |
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{ |
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CObexPacketSignaller* signaller = new(ELeave)CObexPacketSignaller(); |
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return signaller; |
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} |
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/** Destructor. |
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*/ |
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CObexPacketSignaller::~CObexPacketSignaller() |
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{ |
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Cancel(); |
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} |
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/** Sets observer to be notified of packet process events. |
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This clears any events that are currently outstanding. |
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@param aObserver The observer to receive events. May be set to NULL. |
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*/ |
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void CObexPacketSignaller::SetFinalPacketObserver(MObexFinalPacketObserver* aObserver) |
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{ |
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LOG1(_L8("CObexPacketSignaller::SetObserver(0x%x)"), aObserver); |
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// Clear outstanding events for the final packet observer |
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// If there's an outstanding final packet event this means |
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// it won't get signalled. |
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iOutstandingEvents &= ~(EObexFinalPacketStarted | EObexFinalPacketFinished); |
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// Add or remove from scheduler if necessary |
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if(!iFinalPacketObserver &&!iReadActivityObserver && aObserver) |
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{ |
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CActiveScheduler::Add(this); |
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} |
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else if(iFinalPacketObserver && !iReadActivityObserver && !aObserver) |
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{ |
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Deque(); |
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} |
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iFinalPacketObserver = aObserver; |
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} |
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void CObexPacketSignaller::SetReadActivityObserver(MObexReadActivityObserver* aObserver) |
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{ |
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LOG1(_L8("CObexPacketSignaller::SetObserver(0x%x)"), aObserver); |
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// Clear outstanding events for the read activity observer |
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// If there's an outstanding read activity event this means |
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// it won't get signalled. |
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iOutstandingEvents &= ~EObexReadActivityDetected; |
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//UpdateScheduler(); |
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104 |
// Add or remove from scheduler if necessary |
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|
105 |
if(!iFinalPacketObserver &&!iReadActivityObserver && aObserver) |
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|
106 |
{ |
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107 |
CActiveScheduler::Add(this); |
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|
108 |
} |
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|
109 |
else if(iReadActivityObserver && !iFinalPacketObserver && !aObserver) |
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110 |
{ |
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|
111 |
Deque(); |
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112 |
} |
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|
113 |
|
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114 |
iReadActivityObserver = aObserver; |
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115 |
} |
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116 |
|
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|
117 |
|
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118 |
/** Signal that an event has occurred. |
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119 |
|
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120 |
@param aEvent The event that has occurred. |
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121 |
*/ |
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122 |
void CObexPacketSignaller::Signal(TObexPacketProcessEvent aEvent) |
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123 |
{ |
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124 |
LOG1(_L8("CObexPacketSignaller::Signal(%d)"), aEvent); |
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125 |
__ASSERT_DEBUG((aEvent != 0), IrOBEXUtil::Panic(EBadPacketProcessEvent)); |
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126 |
|
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127 |
TBool appropriateObserver = EFalse; |
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128 |
switch(aEvent) |
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129 |
{ |
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130 |
case EObexFinalPacketStarted: |
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131 |
case EObexFinalPacketFinished: |
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132 |
{ |
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133 |
if(iFinalPacketObserver) |
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134 |
{ |
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135 |
appropriateObserver = ETrue; |
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136 |
} |
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137 |
} |
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138 |
break; |
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139 |
case EObexReadActivityDetected: |
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140 |
{ |
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141 |
if(iReadActivityObserver) |
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142 |
{ |
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143 |
appropriateObserver = ETrue; |
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144 |
} |
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145 |
} |
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146 |
break; |
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147 |
default: |
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148 |
break; //drop - not for us |
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149 |
} |
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150 |
|
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151 |
if(appropriateObserver) |
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152 |
{ |
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153 |
iOutstandingEvents |= aEvent; |
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|
154 |
|
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155 |
if(!IsActive()) |
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156 |
{ |
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157 |
SetActive(); |
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|
158 |
TRequestStatus* status = &iStatus; |
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159 |
User::RequestComplete(status, KErrNone); |
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160 |
} |
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161 |
} |
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|
162 |
} |
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|
163 |
|
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|
164 |
/** Active object completion function. |
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165 |
*/ |
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|
166 |
void CObexPacketSignaller::RunL() |
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167 |
{ |
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|
168 |
LOG1(_L8("CObexPacketSignaller::RunL() with iOutstandingEvents %d"), iOutstandingEvents); |
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|
169 |
|
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170 |
__ASSERT_DEBUG(iFinalPacketObserver || !(iOutstandingEvents & (EObexFinalPacketStarted | EObexFinalPacketFinished)), |
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|
171 |
IrOBEXUtil::Panic(ENoPacketProcessObserverSet)); |
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|
172 |
__ASSERT_DEBUG(iReadActivityObserver || !(iOutstandingEvents & EObexReadActivityDetected), |
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|
173 |
IrOBEXUtil::Panic(ENoPacketProcessObserverSet)); |
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|
174 |
// Signal each event in order |
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|
175 |
// Should be safe against an observer becoming |
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|
176 |
// unset as if it is unset then associated outstanding events are |
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|
177 |
// cleared. |
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|
178 |
if(iOutstandingEvents & EObexFinalPacketStarted) |
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|
179 |
{ |
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|
180 |
iOutstandingEvents &= ~EObexFinalPacketStarted; |
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|
181 |
if(iFinalPacketObserver!=NULL) |
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|
182 |
{ |
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|
183 |
iFinalPacketObserver->MofpoFinalPacketStarted(); |
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|
184 |
} |
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|
185 |
} |
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|
186 |
|
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|
187 |
if(iOutstandingEvents & EObexFinalPacketFinished) |
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|
188 |
{ |
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|
189 |
iOutstandingEvents &= ~EObexFinalPacketFinished; |
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Revision: 201003
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|
190 |
if(iFinalPacketObserver!=NULL) |
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|
191 |
{ |
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|
192 |
iFinalPacketObserver->MofpoFinalPacketFinished(); |
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|
193 |
} |
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|
194 |
} |
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|
195 |
|
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|
196 |
if(iOutstandingEvents & EObexReadActivityDetected) |
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|
197 |
{ |
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|
198 |
iOutstandingEvents &= ~EObexReadActivityDetected; |
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Revision: 201003
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|
199 |
if(iReadActivityObserver!=NULL) |
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|
200 |
{ |
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|
201 |
iReadActivityObserver->MoraoReadActivity(); |
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|
202 |
} |
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|
203 |
} |
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|
204 |
|
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Revision: 201003
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|
205 |
// If we've been signalled as a result of client's notification |
d0791faffa3f
Revision: 201003
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|
206 |
// handling events may be outstanding... |
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Revision: 201003
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|
207 |
if(iOutstandingEvents) |
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Revision: 201003
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|
208 |
{ |
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Revision: 201003
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|
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SetActive(); |
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TRequestStatus* status = &iStatus; |
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User::RequestComplete(status, KErrNone); |
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} |
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} |
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|
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/** From CActive. |
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*/ |
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void CObexPacketSignaller::DoCancel() |
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{ |
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iOutstandingEvents = 0; |
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} |
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