author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 19 Feb 2010 23:50:33 +0200 | |
branch | RCL_3 |
changeset 13 | 7068aba64af5 |
parent 3 | 47c263f7e521 |
child 20 | a15c582fbf97 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2009 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: Implementation |
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* |
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*/ |
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|
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|
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#include "cusbotgstateobserver.h" |
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|
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#include "definitions.h" |
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#include "debug.h" |
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#include "panic.h" |
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|
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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CUsbOtgStateObserver::CUsbOtgStateObserver() : |
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CActive(EPriorityStandard) |
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{ |
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CActiveScheduler::Add(this); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CUsbOtgStateObserver::ConstructL() |
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{ |
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FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::ConstructL" ) ); |
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|
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User::LeaveIfError(iOtgState.Attach(KUidUsbManCategory, |
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KUsbOtgStateProperty)); |
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|
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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CUsbOtgStateObserver* CUsbOtgStateObserver::NewL() |
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{ |
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FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::NewL" ) ); |
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|
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CUsbOtgStateObserver* self = new (ELeave) CUsbOtgStateObserver(); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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CUsbOtgStateObserver::~CUsbOtgStateObserver() |
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{ |
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FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::~CUsbOtgStateObserver" ) ); |
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Cancel(); |
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iOtgState.Close(); |
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iObservers.Close(); |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TUsbOtgState CUsbOtgStateObserver::OtgState() |
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{ |
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FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::OtgState" ) ); |
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TInt val(0); |
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TInt err = iOtgState.Get(val); |
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if (KErrNone != err) |
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{ |
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FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::StOtgState CanNotGetOtgStateProperty" ) ); |
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Panic(ECanNotGetOtgStateProperty); |
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} |
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FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::OtgState = %d" ), val )); |
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return (TUsbOtgState) val; |
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} |
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107 |
// --------------------------------------------------------------------------- |
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108 |
// |
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109 |
// --------------------------------------------------------------------------- |
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110 |
// |
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111 |
void CUsbOtgStateObserver::SubscribeL(MUsbOtgStateObserver& aObserver) |
0
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112 |
{ |
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FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::SubscribeL" ) ); |
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// check if the same observer already exist in a list |
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if(KErrNotFound != iObservers.Find(&aObserver)) |
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116 |
{ |
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FLOG( _L( "[USBOTGWATCHER]\tCUsbIdPinObserver::SubscribeL Observer already exists." ) ); |
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118 |
Panic(EObserverAlreadyExists); |
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119 |
return; |
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120 |
} |
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121 |
iObservers.AppendL(&aObserver); |
0
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122 |
|
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123 |
if (KFirst == iObservers.Count()) // first item |
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124 |
{ |
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iOtgState.Subscribe(iStatus); |
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SetActive(); |
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127 |
|
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128 |
} |
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129 |
} |
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130 |
|
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131 |
// --------------------------------------------------------------------------- |
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132 |
// |
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133 |
// --------------------------------------------------------------------------- |
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134 |
// |
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135 |
void CUsbOtgStateObserver::UnsubscribeL(MUsbOtgStateObserver& aObserver) |
0
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136 |
{ |
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137 |
FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::UnsubscribeL" ) ); |
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138 |
|
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139 |
TInt i(iObservers.Find(&aObserver)); |
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140 |
if(KErrNotFound == i) |
0
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141 |
{ |
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142 |
FLOG( _L( "[USBOTGWATCHER]\tCUsbIdPinObserver::UnsubscribeL Observer not found." ) ); |
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|
143 |
Panic(ECanNotFindOtgStateObserver); |
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144 |
return; |
0
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145 |
} |
13
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146 |
|
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147 |
iObservers.Remove(i); |
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|
148 |
|
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149 |
if (0 == iObservers.Count()) // no observers anymore |
0
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150 |
{ |
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151 |
// cancel pending request |
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152 |
Cancel(); |
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153 |
} |
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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 |
// --------------------------------------------------------------------------- |
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159 |
// |
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160 |
void CUsbOtgStateObserver::RunL() |
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161 |
{ |
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162 |
FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::RunL iStatus = %d" ), iStatus.Int())); |
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|
163 |
|
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164 |
// if error occured, tell to Observers |
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165 |
if(KErrNone != iStatus.Int()) |
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|
166 |
{ |
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167 |
for (TInt i(0); i < iObservers.Count(); ++i) |
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|
168 |
{ |
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169 |
iObservers[i]->OtgStateErrorL(iStatus.Int()); |
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|
170 |
} |
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|
171 |
return; |
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|
172 |
} |
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|
173 |
|
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|
174 |
// re-issue request first |
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|
175 |
iOtgState.Subscribe(iStatus); |
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176 |
SetActive(); |
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|
177 |
|
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|
178 |
// then process property change |
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|
179 |
TUsbOtgState state(OtgState()); |
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|
180 |
|
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|
181 |
switch (state) |
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|
182 |
{ |
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|
183 |
case EUsbOtgStateReset: |
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|
184 |
{ |
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|
185 |
FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == RESET" ) ); |
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|
186 |
break; |
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|
187 |
} |
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|
188 |
case EUsbOtgStateAIdle: |
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|
189 |
{ |
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|
190 |
FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == AIdle" ) ); |
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|
191 |
for (TInt i(0); i < iObservers.Count(); ++i) |
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|
192 |
{ |
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|
193 |
iObservers[i]->AIdleL(); |
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|
194 |
} |
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Revision: 200949
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|
195 |
break; |
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|
196 |
} |
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|
197 |
case EUsbOtgStateAHost: |
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|
198 |
{ |
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|
199 |
FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == AHost" ) ); |
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|
200 |
for (TInt i(0); i < iObservers.Count(); ++i) |
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parents:
diff
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|
201 |
{ |
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|
202 |
iObservers[i]->AHostL(); |
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diff
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|
203 |
} |
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Revision: 200949
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|
204 |
break; |
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|
205 |
} |
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diff
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|
206 |
case EUsbOtgStateAPeripheral: |
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diff
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|
207 |
{ |
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|
208 |
FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == APeripheral" ) ); |
1e05558e2206
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diff
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|
209 |
for (TInt i(0); i < iObservers.Count(); ++i) |
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diff
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|
210 |
{ |
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iObservers[i]->APeripheralL(); |
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} |
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break; |
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} |
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case EUsbOtgStateAVbusError: |
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{ |
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FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == AVBusError" ) ); |
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for (TInt i(0); i < iObservers.Count(); ++i) |
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{ |
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iObservers[i]->AVBusErrorL(); |
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} |
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break; |
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} |
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case EUsbOtgStateBIdle: |
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{ |
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FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == BIdle" ) ); |
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for (TInt i(0); i < iObservers.Count(); ++i) |
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{ |
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iObservers[i]->BIdleL(); |
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} |
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break; |
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} |
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case EUsbOtgStateBPeripheral: |
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{ |
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FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == BPeripheral" ) ); |
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for (TInt i(0); i < iObservers.Count(); ++i) |
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{ |
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iObservers[i]->BPeripheralL(); |
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} |
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break; |
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} |
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case EUsbOtgStateBHost: |
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{ |
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FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == BHost" ) ); |
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for (TInt i(0); i < iObservers.Count(); ++i) |
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{ |
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iObservers[i]->BHostL(); |
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} |
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break; |
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} |
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default: |
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{ |
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FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL WrongOtgState" ) ); |
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Panic(EWrongOtgState); |
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} |
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} |
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|
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} |
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|
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CUsbOtgStateObserver::DoCancel() |
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{ |
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iOtgState.Cancel(); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TInt CUsbOtgStateObserver::RunError(TInt aError) |
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{ |
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|
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FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::RunError aError = %d" ), aError)); |
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|
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// try to continue |
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return KErrNone; |
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|
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} |
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|
282 |