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1 /* |
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2 * Copyright (c) 2002-2010 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: This implements UsbActivePersonalityHandler class. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include <etelmm.h> // for fetching the IMEI code |
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21 #include <mmtsy_names.h> // for RTelServer names |
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22 #include <UsbWatcherInternalCRKeys.h> |
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23 #include <cusbpersonalitynotifier.h> |
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24 #include <cusbpersonalityplugin.h> |
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25 #include <tusbpersonalityparams.h> |
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26 #include <startupdomainpskeys.h> //for global system state |
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27 #include "cusbactivepersonalityhandler.h" |
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28 #include "cusbglobalsystemstateobserver.h" |
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29 #include <usbuinotif.h> |
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30 |
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31 // CONSTANTS |
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32 const TInt KSerialNumberLength = 12; |
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33 |
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34 const TUid KUsbmanSvrUid = {0x101fe1db}; |
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35 |
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36 // ============================ MEMBER FUNCTIONS ============================== |
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37 |
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38 // ---------------------------------------------------------------------------- |
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39 // C++ default constructor can NOT contain any code, that might leave. |
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40 // ---------------------------------------------------------------------------- |
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41 // |
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42 CUsbActivePersonalityHandler::CUsbActivePersonalityHandler( |
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43 RUsb& aUsbMan, CUsbWatcher& aOwner ) |
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44 : CActive( EPriorityStandard ) |
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45 , iUsbMan( aUsbMan ) |
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46 , iOwner( aOwner ) |
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47 , isFailureCleanup( EFalse ) |
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48 { |
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49 CActiveScheduler::Add( this ); |
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50 } |
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51 |
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52 // ---------------------------------------------------------------------------- |
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53 // Symbian 2nd phase constructor can leave. |
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54 // ---------------------------------------------------------------------------- |
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55 // |
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56 void CUsbActivePersonalityHandler::ConstructL() |
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57 { |
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58 LOG_FUNC |
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59 |
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60 iPersonalityNotifier = CUsbPersonalityNotifier::NewL(); |
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61 iPersonalityParams = new ( ELeave ) TUsbPersonalityParams( iUsbMan, |
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62 *iPersonalityNotifier ); |
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63 |
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64 ConstructUsbSerialNumberL(); |
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65 } |
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66 |
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67 // ---------------------------------------------------------------------------- |
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68 // Two-phased constructor. |
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69 // ---------------------------------------------------------------------------- |
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70 // |
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71 CUsbActivePersonalityHandler* CUsbActivePersonalityHandler::NewL( |
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72 RUsb& aUsbMan, CUsbWatcher& aOwner ) |
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73 { |
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74 LOG_FUNC |
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75 |
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76 CUsbActivePersonalityHandler* self = new ( ELeave ) |
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77 CUsbActivePersonalityHandler( aUsbMan, aOwner ); |
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78 CleanupStack::PushL( self ); |
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79 self->ConstructL(); |
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80 CleanupStack::Pop(); // pop self |
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81 return self; |
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82 } |
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83 |
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84 // Destructor |
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85 CUsbActivePersonalityHandler::~CUsbActivePersonalityHandler() |
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86 { |
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87 LOG_FUNC |
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88 |
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89 Cancel(); // cancel any outstanding requests |
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90 |
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91 delete iCurrentPersonalityHandler; |
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92 delete iPersonalityNotifier; |
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93 delete iPersonalityParams; |
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94 } |
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95 |
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96 // ---------------------------------------------------------------------------- |
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97 // Construct USB serial number. Some of the personalities may need this. |
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98 // ---------------------------------------------------------------------------- |
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99 // |
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100 void CUsbActivePersonalityHandler::ConstructUsbSerialNumberL() |
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101 { |
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102 LOG_FUNC |
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103 |
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104 RTelServer telServer; |
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105 RMobilePhone phone; |
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106 |
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107 LEAVEIFERROR( telServer.Connect() ); |
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108 CleanupClosePushL( telServer ); |
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109 |
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110 LEAVEIFERROR( telServer.LoadPhoneModule( KMmTsyModuleName ) ); |
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111 |
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112 LEAVEIFERROR( phone.Open( telServer, KMmTsyPhoneName ) ); |
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113 CleanupClosePushL( phone ); |
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114 |
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115 // to store the serial number to be published as the USB device's serial |
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116 // number, fetch it from telephony server. |
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117 TRequestStatus status; |
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118 phone.GetPhoneId( status, iPhoneInfo ); |
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119 User::WaitForRequest( status ); |
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120 |
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121 // make sure that the serial number fulfills USB requirements and then |
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122 // convert the serial number so that it can be printed to log |
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123 TLex lex( iPhoneInfo.iSerialNumber ); |
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124 TInt length = iPhoneInfo.iSerialNumber.Length(); |
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125 |
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126 if( length < KSerialNumberLength ) |
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127 { |
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128 // In GSM, the complete IMEI can be used as USB serial |
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129 // number. But in CDMA, the ESN is too short for a valid Mass |
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130 // Storage serial number (Mass-Storage and Bulk Only Transport |
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131 // specs both require minimum 12 byte number), so it is |
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132 // extended with trailing zeroes. When doing this, make sure |
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133 // not to write anything over descriptor's max length |
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134 if( iPhoneInfo.iSerialNumber.MaxLength() < KSerialNumberLength ) |
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135 { |
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136 iPhoneInfo.iSerialNumber.SetLength( KSerialNumberLength ); |
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137 } |
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138 while( length < KSerialNumberLength ) |
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139 { |
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140 iPhoneInfo.iSerialNumber.Append( '0' ); |
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141 ++length; |
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142 } |
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143 } |
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144 |
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145 CleanupStack::PopAndDestroy( 2, &telServer ); |
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146 } |
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147 |
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148 // ---------------------------------------------------------------------------- |
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149 // Confirm that personality can be loaded. |
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150 // ---------------------------------------------------------------------------- |
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151 // |
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152 void CUsbActivePersonalityHandler::ConfirmPersonalityUnload( TRequestStatus& |
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153 aStatus ) |
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154 { |
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155 LOG_FUNC |
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156 |
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157 aStatus = KRequestPending; |
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158 iRequestStatus = &aStatus; |
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159 |
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160 if( iState != EUsbPersonalityStarted ) |
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161 { |
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162 TRequestStatus* status = &iStatus; |
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163 SetActive(); |
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164 User::RequestComplete( status, KErrGeneral ); |
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165 return; |
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166 } |
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167 |
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168 // Cancel all notes before confirmation |
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169 iPersonalityParams->PersonalityNotifier().CancelAll(); |
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170 |
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171 if( iCurrentPersonalityHandler ) |
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172 { |
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173 iCurrentPersonalityHandler->ConfirmPersonalityUnload( iStatus ); |
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174 SetActive(); |
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175 } |
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176 else |
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177 { |
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178 TRequestStatus* status = &iStatus; |
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179 SetActive(); |
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180 User::RequestComplete( status, KErrNone ); |
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181 } |
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182 } |
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183 |
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184 // ---------------------------------------------------------------------------- |
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185 // Start personality. |
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186 // ---------------------------------------------------------------------------- |
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187 // |
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188 void CUsbActivePersonalityHandler::StartPersonality( TInt& aPersonalityId, |
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189 TInt aAskOnConnectionSetting, TRequestStatus& aStatus ) |
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190 { |
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191 LOG_FUNC |
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192 |
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193 LOG2( "PersonalityId = %d, AskOnConnectionSetting = %d", aPersonalityId, |
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194 aAskOnConnectionSetting ); |
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195 |
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196 // Remove all notes. |
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197 iPersonalityNotifier->CancelAll(); |
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198 |
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199 |
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200 iPersonalityId = &aPersonalityId; |
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201 iAskOnConnectionSetting = aAskOnConnectionSetting; |
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202 aStatus = KRequestPending; |
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203 iRequestStatus = &aStatus; |
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204 |
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205 // prepare current personality for start and return |
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206 if( iCurrentPersonalityHandler ) |
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207 { |
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208 LOG( "Previous PersonalityHandler not deleted" ); |
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209 User::RequestComplete( iRequestStatus, KErrGeneral ); |
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210 return; |
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211 } |
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212 |
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213 TRAPD( ret, ( iCurrentPersonalityHandler = NewPersonalityHandlerL( |
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214 *iPersonalityId ) ) ); |
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215 |
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216 if( ( ret == KErrNone) && iCurrentPersonalityHandler ) |
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217 { |
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218 LOG( "PersonalityHandler created" ); |
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219 iCurrentPersonalityHandler->PreparePersonalityStart( iStatus ); |
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220 iState = EUsbPersonalityPrepareStart; |
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221 isFailureCleanup = EFalse; |
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222 SetActive(); |
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223 } |
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224 else |
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225 { |
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226 LOG( "Error: PersonalityHandler create failed" ); |
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227 User::RequestComplete( iRequestStatus, KErrGeneral ); |
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228 } |
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229 } |
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230 |
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231 // ---------------------------------------------------------------------------- |
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232 // Stop current personality. |
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233 // ---------------------------------------------------------------------------- |
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234 // |
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235 void CUsbActivePersonalityHandler::StopPersonality( TRequestStatus& aStatus ) |
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236 { |
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237 LOG_FUNC |
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238 |
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239 aStatus = KRequestPending; |
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240 iRequestStatus = &aStatus; |
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241 |
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242 iState = EUsbPersonalityPrepareStop; |
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243 isFailureCleanup = EFalse; |
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244 |
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245 // prepare current personality for stop and return |
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246 if( iCurrentPersonalityHandler ) |
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247 { |
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248 LOG( "Call PersonalityPlugin to prepare stop" ); |
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249 iCurrentPersonalityHandler->PreparePersonalityStop( iStatus ); |
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250 SetActive(); |
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251 } |
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252 else |
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253 { |
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254 LOG( "No current PersonalityPlugin, return immediately" ); |
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255 TRequestStatus* status = &iStatus; |
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256 SetActive(); |
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257 User::RequestComplete( status, KErrNone ); |
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258 } |
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259 } |
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260 |
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261 // ---------------------------------------------------------------------------- |
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262 // Indicates USB device state change to personality when USB is started. |
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263 // ---------------------------------------------------------------------------- |
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264 // |
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265 void CUsbActivePersonalityHandler::StateChangeNotify( |
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266 TUsbDeviceState aStateOld, TUsbDeviceState aStateNew ) |
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267 { |
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268 LOG_FUNC |
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269 |
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270 iDeviceState = aStateNew; |
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271 switch ( aStateNew ) |
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272 { |
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273 case EUsbDeviceStateAddress: |
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274 { |
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275 if( iAskOnConnectionSetting && |
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276 ( aStateOld != EUsbDeviceStateSuspended ) && |
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277 ( aStateOld != EUsbDeviceStateConfigured ) |
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278 ) |
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279 { |
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280 iPersonalityParams->PersonalityNotifier().ShowQuery( |
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281 KCableConnectedNotifierUid, iDummy, |
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282 iPersonalityPckgBuf); |
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283 } |
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284 break; |
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285 } |
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286 case EUsbDeviceStateUndefined: |
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287 { |
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288 iPersonalityNotifier->CancelQuery(KQueriesNotifier); |
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289 break; |
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290 } |
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291 default: |
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292 // We do not handle other state here |
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293 LOG( "DeviceStatechange ignored by ActivePersonalityhandler or EUsbDeviceStateConfigured" ); |
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294 break; |
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295 } |
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296 |
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297 if( iCurrentPersonalityHandler ) |
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298 { |
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299 LOG( "Notifying PersonalityPlugin of the new state" ); |
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300 iCurrentPersonalityHandler->StateChangeNotify( aStateNew ); |
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301 } |
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302 } |
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303 |
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304 // ---------------------------------------------------------------------------- |
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305 // Standard active object error function. Handle error and complete |
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306 // outstanding request. We must not come here. |
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307 // ---------------------------------------------------------------------------- |
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308 // |
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309 TInt CUsbActivePersonalityHandler::RunError( TInt aError ) |
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310 { |
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311 LOG_FUNC |
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312 |
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313 LOG2("Returned error: %d, iState: %d", aError, iState); |
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314 |
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315 switch ( aError ) |
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316 { |
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317 case KErrNoMemory: |
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318 iQueryParams().iQuery = EUSBNotEnoughRam; |
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319 iPersonalityParams->PersonalityNotifier().ShowQuery(KQueriesNotifier, |
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320 iQueryParams, iDummyBuf); |
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321 break; |
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322 case KErrDiskFull: |
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323 iQueryParams().iQuery = EUSBDiskFull; |
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324 iPersonalityParams->PersonalityNotifier().ShowQuery(KQueriesNotifier, |
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325 iQueryParams, iDummyBuf); |
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326 break; |
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327 default: |
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328 LOG( "Ignored" ); |
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329 } |
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330 |
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331 //only handle error when TryStart fails now |
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332 //clean up work to be done in the personality |
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333 if (iState == EUsbPersonalityStartUsb) |
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334 { |
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335 iState = EUsbPersonalityPrepareStop; |
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336 isFailureCleanup = ETrue; |
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337 |
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338 // prepare current personality for stop and return |
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339 if( iCurrentPersonalityHandler ) |
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340 { |
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341 LOG( "Call PersonalityPlugin to prepare stop" ); |
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342 iCurrentPersonalityHandler->PreparePersonalityStop( iStatus ); |
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343 SetActive(); |
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344 } |
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345 else |
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346 { |
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347 LOG( "No current PersonalityPlugin" ); |
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348 } |
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349 |
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350 //complete StartPersonality with aError |
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351 User::RequestComplete( iRequestStatus, aError ); |
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352 } |
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353 else |
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354 { |
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355 LOG( "Ignore error in other states" ); |
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356 } |
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357 |
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358 return KErrNone; |
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359 } |
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360 |
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361 // ---------------------------------------------------------------------------- |
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362 // Executed when iStatus is completed. |
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363 // ---------------------------------------------------------------------------- |
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364 // |
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365 void CUsbActivePersonalityHandler::RunL() |
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366 { |
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367 LOG_FUNC |
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368 |
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369 TInt ret = iStatus.Int(); |
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370 |
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371 LOG2( "CUsbActivePersonalityHandler::RunL iStatus = %d, iState = %d", ret, iState ); |
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372 |
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373 switch( iState ) |
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374 { |
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375 case EUsbPersonalityIdle: |
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376 break; |
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377 |
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378 case EUsbPersonalityPrepareStart: |
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379 { |
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380 LOG( "EUsbPersonalityPrepareStart" ); |
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381 // then write the serial number to P&S for USB Manager |
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382 PublishSerialNumber(); |
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383 iUsbMan.TryStart( *iPersonalityId, iStatus ); |
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384 iState = EUsbPersonalityStartUsb; |
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385 SetActive(); |
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386 } |
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387 break; |
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388 |
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389 case EUsbPersonalityStartUsb: |
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390 LEAVEIFERROR( ret ); |
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391 LOG( "EUsbPersonalityStartUsb" ); |
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392 iState = EUsbPersonalityFinishStart; |
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393 if( iCurrentPersonalityHandler ) |
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394 { |
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395 iCurrentPersonalityHandler->FinishPersonalityStart( iStatus ); |
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396 SetActive(); |
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397 } |
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398 else |
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399 { |
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400 TRequestStatus* status = &iStatus; |
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401 SetActive(); |
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402 User::RequestComplete( status, KErrNone ); |
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403 } |
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404 break; |
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405 |
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406 case EUsbPersonalityFinishStart: |
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407 LOG( "EUsbPersonalityFinishStart" ); |
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408 User::RequestComplete( iRequestStatus, ret ); |
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409 iState = EUsbPersonalityStarted; |
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410 break; |
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411 |
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412 case EUsbPersonalityPrepareStop: |
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413 LOG( "EUsbPersonalityPrepareStop" ); |
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414 iUsbMan.TryStop( iStatus ); |
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415 iState = EUsbPersonalityStopUsb; |
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416 SetActive(); |
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417 break; |
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418 |
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419 case EUsbPersonalityStopUsb: |
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420 LOG( "EUsbPersonalityStopUsb" ); |
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421 iState = EUsbPersonalityFinishStop; |
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422 if( iCurrentPersonalityHandler ) |
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423 { |
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424 iCurrentPersonalityHandler->FinishPersonalityStop( iStatus ); |
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425 SetActive(); |
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426 } |
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427 else |
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428 { |
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429 TRequestStatus* status = &iStatus; |
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430 SetActive(); |
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431 User::RequestComplete( status, KErrNone ); |
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432 } |
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433 break; |
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434 |
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435 case EUsbPersonalityFinishStop: |
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436 LOG( "EUsbPersonalityFinishStop" ); |
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437 |
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438 delete iCurrentPersonalityHandler; |
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439 iCurrentPersonalityHandler = NULL; |
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440 |
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441 //iAskOnConnectionSetting may be have been set to off |
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442 if ( iDeviceState == EUsbDeviceStateUndefined ) |
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443 { |
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444 iPersonalityParams->PersonalityNotifier().CancelQuery( |
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445 KCableConnectedNotifierUid ); |
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446 } |
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447 //the request should be completed with error code in RunError if failed |
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448 if ( !isFailureCleanup ) |
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449 { |
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450 User::RequestComplete( iRequestStatus, ret ); |
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451 } |
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452 |
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453 iState = EUsbPersonalityIdle; |
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454 break; |
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455 |
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456 case EUsbPersonalityStarted: |
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457 // This must unload event. Let's complete. |
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458 User::RequestComplete( iRequestStatus, ret ); |
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459 break; |
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460 |
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461 default: |
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462 LOG( "ERROR: unexpected state" ); |
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463 PANIC( KErrGeneral ); |
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464 break; |
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465 } |
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466 } |
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467 |
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468 // ---------------------------------------------------------------------------- |
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469 // Standard active object cancellation function. |
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470 // ---------------------------------------------------------------------------- |
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471 // |
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472 void CUsbActivePersonalityHandler::DoCancel() |
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473 { |
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474 LOG_FUNC |
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475 |
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476 LOG1( "CUsbActivePersonalityHandler::iState = %d", iState ); |
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477 switch( iState ) |
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478 { |
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479 case EUsbPersonalityFinishStart: |
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480 { |
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481 TRequestStatus status; |
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482 |
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483 iUsbMan.TryStop( status ); |
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484 SetActive(); |
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485 User::WaitForRequest( status ); |
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486 } |
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487 // Don't break. We need to cancel outstanding request. |
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488 |
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489 case EUsbPersonalityStarted: |
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490 case EUsbPersonalityPrepareStop: |
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491 case EUsbPersonalityFinishStop: |
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492 if( iCurrentPersonalityHandler ) |
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493 { |
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494 iCurrentPersonalityHandler->Cancel(); |
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495 } |
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496 break; |
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497 |
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498 case EUsbPersonalityStopUsb: |
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499 iUsbMan.CancelInterest( RUsb::ETryStop ); |
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500 break; |
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501 |
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502 case EUsbPersonalityStartUsb: |
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503 iUsbMan.StartCancel(); |
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504 break; |
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505 |
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506 default: |
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507 break; |
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508 } |
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509 |
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510 if( iCurrentPersonalityHandler && ( iState != EUsbPersonalityStarted ) ) |
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511 { |
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512 delete iCurrentPersonalityHandler; |
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513 iCurrentPersonalityHandler = NULL; |
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514 } |
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515 |
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516 // if started then this must unload confirmation |
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517 if( iState != EUsbPersonalityStarted ) |
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518 { |
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519 iState = EUsbPersonalityIdle; |
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520 } |
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521 |
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522 // When cancel happens it means that we can cancel all queries & notes |
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523 iPersonalityParams->PersonalityNotifier().CancelAll(); |
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524 |
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525 User::RequestComplete( iRequestStatus, KErrCancel ); |
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526 } |
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527 |
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528 // ---------------------------------------------------------------------------- |
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529 // Creates and returns a class handler object for the given personality. |
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530 // ---------------------------------------------------------------------------- |
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531 // |
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532 CUsbPersonality* CUsbActivePersonalityHandler::NewPersonalityHandlerL( |
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533 TInt aPersonality ) |
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534 { |
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535 LOG_FUNC |
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536 |
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537 TInt personalityCount = iOwner.Personalities().Count(); |
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538 |
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539 for (TInt i = 0; i < personalityCount; i++) |
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540 { |
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541 const TUsbSupportedPersonalityInf& pinf = iOwner.Personalities()[i]; |
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542 if( pinf.iPersonalityId == aPersonality ) |
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543 { |
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544 iPersonalityParams->SetPersonalityId( aPersonality ); |
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545 CUsbPersonalityPlugin* plugin = CUsbPersonalityPlugin::NewL( |
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546 *iPersonalityParams, pinf.iPersonalityUid ); |
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547 iUseSerialNumber = pinf.iUseSerialNumber; |
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548 return plugin; |
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549 } |
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550 } |
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551 |
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552 return NULL; |
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553 } |
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554 |
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555 // ---------------------------------------------------------------------------- |
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556 // Publish serial number for USB Manager, if needed. |
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557 // ---------------------------------------------------------------------------- |
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558 // |
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559 TInt CUsbActivePersonalityHandler::PublishSerialNumber() |
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560 { |
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561 LOG_FUNC |
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562 |
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563 TInt err = KErrNone; |
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564 |
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565 if( !iUseSerialNumber && iSerialNumberWritten ) |
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566 { |
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567 // We are either in test mode or going to start up PC Suite |
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568 // personality -> delete USB Manager's serial number P&S key |
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569 // (if necessary) |
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570 LOG( "Deleting published USB serial number" ); |
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571 err = RProperty::Delete( KUidSystemCategory, KUsbmanSvrUid.iUid ); |
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572 iSerialNumberWritten = EFalse; |
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573 } |
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574 else if( iUseSerialNumber && !iSerialNumberWritten ) |
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575 { |
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576 // to finish, define and write the serial number P&S so that USB |
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577 // Manager can fetch it |
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578 _LIT_SECURITY_POLICY_PASS( KAPReadPolicy ); |
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579 _LIT_SECURITY_POLICY_PASS( KAPWritePolicy ); |
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580 |
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581 err = RProperty::Define( KUidSystemCategory, KUsbmanSvrUid.iUid, |
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582 RProperty::EText, KAPReadPolicy, KAPWritePolicy, |
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583 KUsbStringDescStringMaxSize ); |
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584 |
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585 if( !err ) |
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586 { |
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587 err = RProperty::Set( KUidSystemCategory, KUsbmanSvrUid.iUid, |
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588 iPhoneInfo.iSerialNumber ); |
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589 iSerialNumberWritten = ( err == KErrNone ); |
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590 } |
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591 } |
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592 |
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593 LOG1(" ret = %d", err ); |
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594 |
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595 return err; |
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596 } |
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597 |
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598 // ---------------------------------------------------------------------------- |
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599 // Cancel cable connected notifier |
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600 // ---------------------------------------------------------------------------- |
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601 // |
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602 void CUsbActivePersonalityHandler::CancelCableConnectedNotifier() |
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603 { |
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604 LOG_FUNC |
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605 |
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606 iPersonalityParams->PersonalityNotifier().CancelQuery( |
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607 KCableConnectedNotifierUid ); |
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608 } |
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609 |
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610 // End of file |