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1 /* |
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2 * Copyright (c) 2006-2010 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 CUsbWatcher 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 <ecom/ecom.h> |
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20 #include <utf.h> |
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21 #include <coreapplicationuisdomainpskeys.h> |
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22 //CleanupResetAndDestroyPushL |
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23 #include <mmf/common/mmfcontrollerpluginresolver.h> |
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24 #include <UsbWatcherInternalCRKeys.h> |
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25 #include <cusbpersonalitynotifier.h> |
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26 #include <UsbWatcherInternalPSKeys.h> |
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27 #include <e32property.h> |
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28 #include <startupdomainpskeys.h> //for global system state |
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29 |
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30 #include "cusbwatcher.h" |
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31 #include "cusbactivestate.h" |
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32 #include "cusbactivepersonalityhandler.h" |
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33 #include "cusbwatchersession.h" |
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34 #include "cusbdevicelock.h" |
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35 #include "cusbdevconstarter.h" |
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36 #include "cusbglobalsystemstateobserver.h" |
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37 #include "cusbotgwatcher.h" |
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38 |
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39 _LIT_SECURITY_POLICY_PASS( KAlwaysPassPolicy ); |
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40 _LIT_SECURITY_POLICY_C1( KLocalServicesPolicy, ECapabilityLocalServices ); |
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41 |
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42 const TUint32 KUsbWatcherUseSerialNumber = 0x80000000; |
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43 const TUint32 KUsbWatcherPersonalityIdMask = 0x0000FFFF; |
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44 |
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45 // ============================ MEMBER FUNCTIONS ============================== |
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46 |
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47 // ---------------------------------------------------------------------------- |
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48 // C++ default constructor can NOT contain any code, that might leave. |
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49 // ---------------------------------------------------------------------------- |
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50 // |
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51 CUsbWatcher::CUsbWatcher() |
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52 : CActive( EPriorityStandard ) |
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53 { |
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54 LOG_FUNC |
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55 |
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56 CActiveScheduler::Add( this ); |
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57 } |
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58 |
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59 // ---------------------------------------------------------------------------- |
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60 // Symbian 2nd phase constructor can leave. |
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61 // ---------------------------------------------------------------------------- |
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62 // |
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63 void CUsbWatcher::ConstructL() |
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64 { |
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65 LOG_FUNC |
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66 |
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67 LEAVEIFERROR( RProperty::Define( KPSUidUsbWatcher, |
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68 KUsbWatcherSelectedPersonality, RProperty::EInt, KAlwaysPassPolicy, |
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69 KLocalServicesPolicy ) ); |
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70 |
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71 LEAVEIFERROR( RProperty::Set( KPSUidUsbWatcher, |
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72 KUsbWatcherSelectedPersonality, |
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73 KUsbWatcherSelectedPersonalityNone ) ); |
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74 |
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75 iPersonalityRepository = CRepository::NewL( KCRUidUsbWatcher ); |
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76 |
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77 LEAVEIFERROR( iPersonalityRepository->Get( KUsbWatcherPersonality, |
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78 iPersonalityId ) ); |
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79 LOG1( "iPersonalityId from CenRep = %d", iPersonalityId ); |
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80 iPrevPersonalityId = iPersonalityId; |
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81 iOldPrevPersonalityId = iPersonalityId; |
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82 LEAVEIFERROR( iUsbMan.Connect() ); |
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83 |
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84 TInt ret = iUsbMan.SetCtlSessionMode( ETrue ); |
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85 if( KErrNone == ret ) |
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86 { |
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87 LOG( "Creating CUsbOtgWatcher..." ); |
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88 iOtgWatcher = CUsbOtgWatcher::NewL( iUsbMan ); |
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89 } |
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90 else if( KErrNotSupported == ret ) |
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91 { |
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92 LOG( "Non-OTG configuration detected!" ); |
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93 } |
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94 else |
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95 { |
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96 LOG( "ERROR: is there another USB Control process? LEAVE" ); |
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97 LEAVE( ret ); |
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98 } |
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99 |
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100 iPersonalityHandler |
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101 = CUsbActivePersonalityHandler::NewL( iUsbMan, *this ); |
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102 |
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103 GetPersonalityPluginsL(); |
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104 iUsbDeviceLock = CUsbDeviceLock::NewL( *this ); |
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105 iUsbDeviceLock->Subscribe(); |
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106 iGlobalStateObserver = CUsbGlobalSystemStateObserver::NewL( *this ); |
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107 iUsbDevConStarter = CUsbDevConStarter::NewL(); |
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108 iActiveState = CUsbActiveState::NewL( iUsbMan, *this ); |
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109 } |
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110 |
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111 // ---------------------------------------------------------------------------- |
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112 // Two-phased constructor. |
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113 // ---------------------------------------------------------------------------- |
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114 // |
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115 CUsbWatcher* CUsbWatcher::NewL() |
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116 { |
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117 LOG_FUNC |
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118 |
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119 CUsbWatcher* self = new ( ELeave ) CUsbWatcher(); |
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120 CleanupStack::PushL( self ); |
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121 self->ConstructL(); |
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122 CleanupStack::Pop(); // pop self |
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123 return self; |
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124 } |
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125 |
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126 // ---------------------------------------------------------------------------- |
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127 // Destructor. |
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128 // ---------------------------------------------------------------------------- |
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129 // |
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130 CUsbWatcher::~CUsbWatcher() |
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131 { |
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132 LOG_FUNC |
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133 |
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134 RProperty::Delete( KPSUidUsbWatcher, KUsbWatcherSelectedPersonality ); |
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135 |
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136 iUsbMan.Close(); |
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137 iObservers.Reset(); |
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138 if( iUsbDeviceLock ) |
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139 { |
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140 iUsbDeviceLock->Cancel(); |
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141 } |
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142 delete iActiveState; |
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143 delete iUsbDevConStarter; |
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144 delete iPersonalityHandler; |
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145 delete iPersonalityRepository; |
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146 delete iOtgWatcher; |
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147 delete iUsbDeviceLock; |
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148 delete iGlobalStateObserver; |
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149 iSupportedPersonalities.Close(); |
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150 } |
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151 |
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152 // ---------------------------------------------------------------------------- |
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153 // Get personality plugins. Note that this is done only in normal mode. |
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154 // ---------------------------------------------------------------------------- |
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155 // |
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156 void CUsbWatcher::GetPersonalityPluginsL() |
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157 { |
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158 LOG_FUNC |
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159 |
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160 // Get personality plugins |
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161 RImplInfoPtrArray implementations; |
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162 CleanupResetAndDestroyPushL( implementations ); |
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163 |
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164 const TEComResolverParams noResolverParams; |
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165 |
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166 REComSession::ListImplementationsL( KUidPersonalityPlugIns, |
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167 noResolverParams, KRomOnlyResolverUid, implementations ); |
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168 TInt personalityNum = implementations.Count(); |
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169 LOG1( "Number of PersonalityPlugin(s): %d", personalityNum ); |
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170 |
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171 if( personalityNum < 1 ) |
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172 { |
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173 LOG( "No PersonalityPlugin available. LEAVE" ); |
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174 LEAVE( KErrGeneral ); |
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175 } |
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176 |
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177 for( TInt i = 0; i < personalityNum; i++ ) |
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178 { |
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179 TUsbSupportedPersonalityInf inf; |
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180 TLex8 lex; |
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181 TUint32 confValue; |
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182 |
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183 // save implementation uid |
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184 inf.iPersonalityUid = implementations[i]->ImplementationUid(); |
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185 lex.Assign( implementations[i]->DataType() ); |
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186 |
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187 if( lex.Val( confValue, EHex ) != KErrNone ) |
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188 { |
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189 CleanupStack::PopAndDestroy( &implementations ); |
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190 iSupportedPersonalities.Close(); |
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191 LEAVE( KErrGeneral ); |
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192 } |
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193 |
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194 // check whether personality requires serial number |
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195 if( confValue & KUsbWatcherUseSerialNumber ) |
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196 { |
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197 inf.iUseSerialNumber = ETrue; |
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198 } |
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199 else |
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200 { |
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201 inf.iUseSerialNumber = EFalse; |
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202 } |
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203 |
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204 // save personality id |
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205 inf.iPersonalityId = static_cast<TInt>( ( KUsbWatcherPersonalityIdMask |
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206 & confValue ) ); |
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207 |
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208 LOG1( "PersonalityId = %d" , inf.iPersonalityId ); |
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209 |
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210 iSupportedPersonalities.AppendL( inf ); |
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211 } |
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212 |
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213 CleanupStack::PopAndDestroy( &implementations ); |
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214 } |
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215 |
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216 // ---------------------------------------------------------------------------- |
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217 // This method notifies CUsbWatcher class about USB state changes. |
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218 // ---------------------------------------------------------------------------- |
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219 // |
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220 void CUsbWatcher::StateChangeNotify( TUsbDeviceState aStateOld, |
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221 TUsbDeviceState aStateNew ) |
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222 { |
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223 LOG_FUNC |
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224 |
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225 // Handling USB indicator. This is valid for both A- and B-device cases. |
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226 // Not show USB indicator in charging mode |
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227 if ( iNormalStart ) |
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228 { |
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229 iUsbIndicatorHandler.HandleDeviceStateChange( aStateOld, aStateNew ); |
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230 } |
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231 |
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232 if ( IsDeviceA() ) // Will be handled by UsbOtgWatcher |
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233 { |
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234 LOG( "Device state change ignored by UsbWatcher in A-device state" ); |
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235 return; |
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236 } |
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237 |
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238 LOG1( "WatcherState = %d", iState ); |
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239 |
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240 // Notify personality handler first |
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241 switch( aStateNew ) |
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242 { |
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243 case EUsbDeviceStatePowered: |
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244 // Case for Attached state missed |
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245 // NO break here; |
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246 case EUsbDeviceStateAttached: |
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247 { |
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248 if( EUsbDeviceStateUndefined != aStateOld ) |
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249 { |
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250 LOG1( "Not starting personality, previous state: %d", |
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251 aStateOld); |
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252 break; |
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253 } |
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254 LOG1( "Starting USB personality in device state: %d", aStateNew ); |
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255 iPersonalityHandler->StateChangeNotify( aStateOld, aStateNew ); |
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256 // Check AskOnConnection setting every time |
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257 if( ( iSupportedPersonalities.Count() > 1 ) && |
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258 !IsAskOnConnectionSuppression() ) |
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259 { |
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260 // read setting if there is more than one personality |
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261 iPersonalityRepository->Get( |
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262 KUsbWatcherChangeOnConnectionSetting, |
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263 iAskOnConnectionSetting ); |
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264 } |
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265 |
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266 if( ( iState == EUsbIdle ) && !iPersonalityChangeOngoing ) |
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267 { |
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268 Start(); |
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269 } |
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270 else if( ( iState != EUsbStarted ) && !iPersonalityChangeOngoing ) |
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271 { |
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272 Cancel(); |
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273 Start(); |
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274 } |
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275 |
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276 // Let's turn ask on connection off after start cause we will |
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277 // issue it only when cable is connected |
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278 iAskOnConnectionSetting = KUsbWatcherChangeOnConnectionOff; |
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279 |
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280 //start usbdevcon only in normal global state |
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281 TInt globalState = |
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282 CUsbGlobalSystemStateObserver::GlobalSystemState(); |
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283 if( ( ESwStateNormalRfOn == globalState ) || |
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284 ( ESwStateNormalRfOff == globalState ) || |
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285 ( ESwStateNormalBTSap == globalState ) ) |
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286 { |
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287 iUsbDevConStarter->Start(); |
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288 } |
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289 } |
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290 break; |
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291 |
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292 case EUsbDeviceStateUndefined: |
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293 { |
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294 iGlobalStateObserver->Cancel(); |
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295 // Notify clients currently loaded personality will be unloaded |
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296 iPersonalityHandler->StateChangeNotify( aStateOld, aStateNew ); |
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297 iUsbDevConStarter->StopRestarting(); |
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298 // This must be done before Notify() |
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299 if( iSetPreviousPersonalityOnDisconnect ) |
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300 { |
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301 TInt temp = iPersonalityId; |
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302 iPersonalityId = iPrevPersonalityId; |
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303 iPrevPersonalityId = temp; |
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304 WritePersonalityId( iPersonalityId ); |
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305 iSetPreviousPersonalityOnDisconnect = EFalse; |
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306 } |
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307 |
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308 Notify( KErrCancel ); |
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309 if (iState == EUsbStarting) |
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310 { |
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311 LOG( "StartCancel USB" ); |
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312 Cancel(); |
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313 } |
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314 else |
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315 { |
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316 LOG( "Stop USB" ); |
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317 |
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318 if( EUsbConfirmStop == iState ) |
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319 { |
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320 // We have request pending on personality handler |
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321 Cancel(); |
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322 } |
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323 |
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324 Stop(); |
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325 } |
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326 } |
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327 break; |
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328 |
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329 default: |
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330 if ( EUsbStarted == iState ) |
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331 { |
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332 iPersonalityHandler->StateChangeNotify( aStateOld, aStateNew ); |
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333 } |
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334 break; |
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335 } |
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336 } |
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337 |
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338 // ---------------------------------------------------------------------------- |
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339 // From class CActive. |
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340 // This method cancels any outstanding request. |
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341 // ---------------------------------------------------------------------------- |
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342 // |
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343 void CUsbWatcher::DoCancel() |
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344 { |
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345 LOG_FUNC |
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346 |
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347 LOG1( "WatcherState = %d", iState ); |
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348 if( ( EUsbStarting == iState ) || ( EUsbStopping == iState ) ) |
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349 { |
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350 iPersonalityHandler->Cancel(); |
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351 |
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352 RProperty::Set( KPSUidUsbWatcher, |
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353 KUsbWatcherSelectedPersonality, |
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354 KUsbWatcherSelectedPersonalityNone ); |
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355 LOG( "personality set to none" ); |
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356 |
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357 iState = EUsbIdle; |
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358 } |
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359 else if( EUsbConfirmStop == iState ) |
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360 { |
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361 iPersonalityHandler->Cancel(); |
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362 iState = EUsbStarted; |
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363 } |
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364 else |
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365 { |
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366 LOG( "Nothingh to cancel" ); |
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367 } |
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368 } |
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369 |
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370 // ---------------------------------------------------------------------------- |
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371 // This method implements state machine for personality start and stop. |
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372 // ---------------------------------------------------------------------------- |
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373 // |
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374 void CUsbWatcher::RunL() |
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375 { |
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376 LOG_FUNC |
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377 |
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378 LOG1( "WatcherState = %d", iState ); |
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379 TInt ret = iStatus.Int(); |
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380 if ( KErrNone != ret ) |
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381 { |
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382 LOG1( "ERROR: CUsbWatcher::RunL iStatus = %d", ret ); |
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383 } |
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384 |
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385 switch ( iState ) |
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386 { |
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387 case EUsbStarting: |
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388 LOG( "Personality started" ); |
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389 Notify( ret ); |
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390 if( iStopStartScenario ) |
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391 { |
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392 iStopStartScenario = EFalse; |
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393 } |
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394 //check if StartPersonality() fails |
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395 LEAVEIFERROR( ret ); |
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396 iState = EUsbStarted; |
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397 break; |
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398 |
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399 case EUsbStopping: |
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400 LOG( "Personality stopped" ); |
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401 iState = EUsbIdle; |
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402 if( iStopStartScenario ) |
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403 { |
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404 Start(); |
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405 } |
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406 else |
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407 { |
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408 RProperty::Set( KPSUidUsbWatcher, |
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409 KUsbWatcherSelectedPersonality, |
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410 KUsbWatcherSelectedPersonalityNone ); |
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411 } |
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412 break; |
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413 |
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414 case EUsbStarted: |
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415 if( iStopStartScenario ) |
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416 { |
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417 break; |
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418 } |
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419 |
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420 iPersonalityHandler->StopPersonality( iStatus ); |
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421 SetActive(); |
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422 iState = EUsbStopping; |
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423 break; |
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424 |
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425 case EUsbIdle: |
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426 if( iStopStartScenario ) |
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427 { |
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428 Start(); |
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429 } |
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430 break; |
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431 |
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432 case EUsbConfirmStop: |
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433 if( iStatus == KErrNone ) |
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434 { |
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435 iStopStartScenario = ETrue; |
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436 iPersonalityHandler->StopPersonality( iStatus ); |
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437 SetActive(); |
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438 iState = EUsbStopping; |
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439 } |
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440 else |
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441 { |
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442 Notify( ret ); |
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443 iState = EUsbStarted; |
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444 } |
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445 break; |
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446 |
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447 default: |
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448 LOG( "ERROR: unexpected state" ); |
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449 PANIC( KErrGeneral ); |
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450 break; |
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451 } |
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452 } |
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453 |
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454 // ---------------------------------------------------------------------------- |
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455 // This method is not called cause RunL() never leaves. |
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456 // ---------------------------------------------------------------------------- |
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457 // |
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458 TInt CUsbWatcher::RunError(TInt aError) |
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459 { |
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460 LOG_FUNC |
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461 |
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462 LOG2("Returned error: %d, iState: %d", aError, iState); |
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463 if ( iState == EUsbStarting ) |
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464 { |
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465 RProperty::Set( KPSUidUsbWatcher, |
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466 KUsbWatcherSelectedPersonality, |
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467 KUsbWatcherSelectedPersonalityNone ); |
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468 LOG( "personality set to none" ); |
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469 |
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470 iState = EUsbIdle; |
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471 } |
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472 |
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473 return KErrNone; |
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474 } |
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475 |
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476 // ---------------------------------------------------------------------------- |
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477 // Function is called when state of the device is locked. |
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478 // ---------------------------------------------------------------------------- |
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479 // |
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480 void CUsbWatcher::Lock() |
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481 { |
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482 LOG_FUNC |
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483 |
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484 if( IsDeviceA() ) // Not applicable in case of A-device |
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485 { |
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486 LOG( "Lock ignored in A-device state" ); |
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487 return; |
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488 } |
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489 |
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490 |
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491 TUsbDeviceState state = iActiveState->CurrentState(); |
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492 |
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493 LOG1( "USB device state after lock: %d", state ); |
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494 |
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495 if( EUsbDeviceStateUndefined != state ) // Stop personality |
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496 { |
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497 LOG( "Stopping USB persoanlity on device remote-lock" ); |
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498 |
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499 iPersonalityHandler->CancelCableConnectedNotifier(); |
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500 |
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501 if( iState != EUsbStarted ) |
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502 { |
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503 Cancel(); |
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504 } |
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505 else |
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506 { |
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507 Stop(); |
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508 } |
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509 } |
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510 } |
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511 |
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512 // ---------------------------------------------------------------------------- |
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513 // Function is called when state of the device is unlocked. |
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514 // ---------------------------------------------------------------------------- |
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515 // |
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516 void CUsbWatcher::Unlock() |
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517 { |
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518 LOG_FUNC |
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519 |
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520 if( IsDeviceA() ) // Not applicable in case of A-device |
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521 { |
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522 LOG( "Unlock ignored in A-device state" ); |
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523 return; |
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524 } |
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525 |
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526 TUsbDeviceState state = iActiveState->CurrentState(); |
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527 |
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528 LOG1( "USB device state after unlock: %d", state ); |
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529 if( EUsbDeviceStateAttached == state || EUsbDeviceStatePowered == state) |
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530 { |
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531 LOG( "Starting USB personality" ); |
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532 TInt err = iPersonalityRepository->Get( |
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533 KUsbWatcherChangeOnConnectionSetting, iAskOnConnectionSetting ); |
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534 if( KErrNone == err ) |
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535 { |
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536 Start(); |
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537 iAskOnConnectionSetting = KUsbWatcherChangeOnConnectionOff; |
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538 } |
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539 else |
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540 { |
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541 LOG1( "Error: CRepository::Get = %d", err ); |
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542 } |
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543 } |
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544 } |
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545 |
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546 // ---------------------------------------------------------------------------- |
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547 // This method is called when client wants to set new personality. |
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548 // ---------------------------------------------------------------------------- |
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549 // |
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550 void CUsbWatcher::SetPersonality( TInt aPersonalityId, TBool aNonBlocking ) |
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551 { |
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552 LOG_FUNC |
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553 |
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554 LOG2( "aPersonalityId=%d, aNonBlocking=%d", aPersonalityId, aNonBlocking ); |
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555 |
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556 // Check if personality is exist |
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557 TBool found = EFalse; |
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558 |
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559 for( TInt i = 0; i < iSupportedPersonalities.Count(); i++ ) |
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560 { |
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561 if( iSupportedPersonalities[i].iPersonalityId == aPersonalityId ) |
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562 { |
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563 found = ETrue; |
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564 } |
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565 } |
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566 |
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567 if( !found ) |
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568 { |
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569 Notify( KErrNotFound ); |
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570 return; |
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571 } |
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572 |
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573 iSetPersonalityOngoing = ETrue; |
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574 iPersonalityChangeOngoing = ETrue; |
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575 |
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576 //The previous personality is not changed, if the client wanted the |
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577 //previous personality change to be temporary. The client has to call |
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578 //SetPreviousPersonalityOnDisconnect after each SetPersonality to be |
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579 //intended as temporary. |
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580 if( iSetPreviousPersonalityOnDisconnect ) |
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581 { |
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582 iSetPreviousPersonalityOnDisconnect = EFalse; |
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583 } |
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584 else |
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585 { |
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586 iOldPrevPersonalityId = iPrevPersonalityId; |
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587 iPrevPersonalityId = iPersonalityId; |
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588 LOG( "CUsbWatcher::SetPersonality setting previous" ); |
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589 } |
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590 LOG1( " iPrevPersonalityId = %d", iPrevPersonalityId ); |
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591 if( iPersonalityId != aPersonalityId ) |
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592 { |
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593 iPersonalityId = aPersonalityId; |
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594 SwitchPersonality( aNonBlocking ); |
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595 } |
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596 else |
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597 { |
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598 Notify( KErrNone ); |
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599 } |
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600 } |
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601 |
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602 // ---------------------------------------------------------------------------- |
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603 // This method is called when client wants to cancel set personality. |
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604 // ---------------------------------------------------------------------------- |
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605 // |
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606 void CUsbWatcher::CancelSetPersonality() |
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607 { |
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608 LOG_FUNC |
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609 |
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610 Notify( KErrCancel ); |
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611 iPersonalityChangeOngoing = ETrue; |
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612 iStopStartScenario = EFalse; |
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613 SwitchPersonality(); |
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614 } |
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615 |
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616 // ---------------------------------------------------------------------------- |
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617 // This method is called when client wants to set previous personality. |
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618 // ---------------------------------------------------------------------------- |
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619 // |
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620 void CUsbWatcher::SetPreviousPersonality() |
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621 { |
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622 LOG_FUNC |
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623 |
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624 if( IsDeviceA() ) |
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625 { |
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626 LOG( "SetPreviousPersonality not allowed in A-device state" ); |
|
627 Notify( KErrAccessDenied ); |
|
628 return; |
|
629 } |
|
630 |
|
631 TInt temp = iPersonalityId; |
|
632 iSetPreviousPersonalityOnDisconnect = EFalse; |
|
633 |
|
634 iPersonalityId = iPrevPersonalityId; |
|
635 iPrevPersonalityId = temp; |
|
636 iSetPreviousPersonalityOngoing = ETrue; |
|
637 iPersonalityChangeOngoing = ETrue; |
|
638 |
|
639 if( iPersonalityId != iPrevPersonalityId ) |
|
640 { |
|
641 SwitchPersonality(); |
|
642 } |
|
643 else |
|
644 { |
|
645 Notify( KErrNone ); |
|
646 } |
|
647 } |
|
648 |
|
649 // ---------------------------------------------------------------------------- |
|
650 // This method is called when client wants to cancel set previous personality. |
|
651 // ---------------------------------------------------------------------------- |
|
652 // |
|
653 void CUsbWatcher::CancelSetPreviousPersonality() |
|
654 { |
|
655 LOG_FUNC |
|
656 |
|
657 Notify( KErrCancel ); |
|
658 iPersonalityChangeOngoing = ETrue; |
|
659 iStopStartScenario = EFalse; |
|
660 SwitchPersonality(); |
|
661 } |
|
662 |
|
663 // ---------------------------------------------------------------------------- |
|
664 // This method is called when client wants to set previous personality on |
|
665 // disconnect. |
|
666 // ---------------------------------------------------------------------------- |
|
667 // |
|
668 void CUsbWatcher::SetPreviousPersonalityOnDisconnect() |
|
669 { |
|
670 LOG_FUNC |
|
671 |
|
672 if( IsDeviceA() ) |
|
673 { |
|
674 LOG( "Not allowed in A-device state" ); |
|
675 Notify( KErrAccessDenied ); |
|
676 return; |
|
677 } |
|
678 |
|
679 TUsbDeviceState state = iActiveState->CurrentState(); |
|
680 LOG1( "Device state : %d", state ); |
|
681 if( state != EUsbDeviceStateUndefined ) |
|
682 { |
|
683 iSetPreviousPersonalityOnDisconnect = ETrue; |
|
684 } |
|
685 } |
|
686 |
|
687 // ---------------------------------------------------------------------------- |
|
688 // This method starts personality change, if there is cable connected. |
|
689 // ---------------------------------------------------------------------------- |
|
690 // |
|
691 void CUsbWatcher::SwitchPersonality( TBool aNonBlocking ) |
|
692 { |
|
693 LOG_FUNC |
|
694 |
|
695 |
|
696 TUsbDeviceState state = iActiveState->CurrentState(); |
|
697 LOG2( "IsDeviceA: %d, Device state : %d", IsDeviceA(), state ); |
|
698 |
|
699 // As A-device, only cenrep will be updated for the reasons of |
|
700 // - In A-host state, device state will be undefined |
|
701 // - In A-peripheral state, personality change can not happen otherwise |
|
702 // the connection will be lost |
|
703 if ( IsDeviceA() || ( EUsbDeviceStateUndefined == state ) ) |
|
704 { |
|
705 // if no connection -> just save the setting |
|
706 LOG( "CUsbWatcher::SwitchPersonality: Notify" ); |
|
707 Notify( KErrNone ); |
|
708 } |
|
709 else |
|
710 { |
|
711 switch ( iState ) |
|
712 { |
|
713 case EUsbStopping: |
|
714 case EUsbStarting: |
|
715 { |
|
716 LOG( "CUsbWatcher::SwitchPersonality: Cancel & Start USB" ); |
|
717 Cancel(); |
|
718 Start(); |
|
719 } |
|
720 break; |
|
721 case EUsbConfirmStop: |
|
722 { |
|
723 Cancel(); |
|
724 iState = EUsbStarted; |
|
725 StopStart( aNonBlocking ); |
|
726 } |
|
727 break; |
|
728 case EUsbStarted: |
|
729 { |
|
730 LOG( "CUsbWatcher::SwitchPersonality: Stop & Start USB" ); |
|
731 StopStart( aNonBlocking ); |
|
732 } |
|
733 break; |
|
734 default: |
|
735 { |
|
736 LOG( "CUsbWatcher::SwitchPersonality: Start USB" ); |
|
737 Start(); |
|
738 } |
|
739 break; |
|
740 } |
|
741 } |
|
742 } |
|
743 |
|
744 // ---------------------------------------------------------------------------- |
|
745 // This method starts personality loading or continues stop start scenario. |
|
746 // ---------------------------------------------------------------------------- |
|
747 // |
|
748 void CUsbWatcher::Start() |
|
749 { |
|
750 LOG_FUNC |
|
751 |
|
752 TInt globalState = CUsbGlobalSystemStateObserver::GlobalSystemState(); |
|
753 |
|
754 if( iState == EUsbIdle ) |
|
755 { |
|
756 iStarted = EFalse; |
|
757 iNormalStart = EFalse; |
|
758 if( globalState == ESwStateCharging ) |
|
759 { |
|
760 LOG( "Global state: charging" ); |
|
761 iGlobalStateObserver->Subscribe(); |
|
762 iPrevPersonalityId=iPersonalityId; |
|
763 TInt ret = GetChargingPersonalityId( iPersonalityId ); |
|
764 //do not start if charging personality not assigned |
|
765 if( KErrNone == ret ) |
|
766 { |
|
767 RProperty::Set( KPSUidUsbWatcher, |
|
768 KUsbWatcherSelectedPersonality, iPersonalityId ); |
|
769 iStarted = ETrue; |
|
770 // Restore personality to normal in charging mode |
|
771 iSetPreviousPersonalityOnDisconnect = ETrue; |
|
772 iPersonalityHandler->StartPersonality( iPersonalityId, |
|
773 KUsbWatcherChangeOnConnectionOff, iStatus ); |
|
774 } |
|
775 else |
|
776 { |
|
777 LOG1( "GetChargingPersonalityId = %d. Not started", ret ); |
|
778 } |
|
779 } |
|
780 else if( ( ( ESwStateNormalRfOn == globalState ) || |
|
781 ( ESwStateNormalRfOff == globalState ) || |
|
782 ( ESwStateNormalBTSap == globalState ) )) |
|
783 { |
|
784 LOG( "Global state: normal" ); |
|
785 iNormalStart = ETrue; |
|
786 if( ! iUsbDeviceLock->Locked() ) |
|
787 { |
|
788 iGlobalStateObserver->Cancel(); |
|
789 RProperty::Set( KPSUidUsbWatcher, |
|
790 KUsbWatcherSelectedPersonality, iPersonalityId ); |
|
791 iStarted = ETrue; |
|
792 iPersonalityHandler->StartPersonality( iPersonalityId, |
|
793 iAskOnConnectionSetting, iStatus ); |
|
794 } |
|
795 else |
|
796 { |
|
797 LOG( "Device LOCKED, USB personality NOT start" ); |
|
798 } |
|
799 } |
|
800 else |
|
801 { |
|
802 LOG1( "Global state: = %d", globalState ); |
|
803 //Cable connected in e.g. ChargingToNormal state and |
|
804 // personality started later in a normal state. |
|
805 iGlobalStateObserver->Subscribe(); |
|
806 } |
|
807 if( iStarted ) |
|
808 { |
|
809 SetActive(); |
|
810 iState = EUsbStarting; |
|
811 } |
|
812 } |
|
813 else |
|
814 { |
|
815 LOG( "Tryign to call CUsbWatcher::Start in non-idle state " ); |
|
816 PANIC( KErrGeneral ); |
|
817 } |
|
818 } |
|
819 |
|
820 // ---------------------------------------------------------------------------- |
|
821 // This method starts personality unloading or cancels personality start. |
|
822 // ---------------------------------------------------------------------------- |
|
823 // |
|
824 void CUsbWatcher::Stop() |
|
825 { |
|
826 LOG_FUNC |
|
827 |
|
828 LOG1( "WatcherState = %d", iState ); |
|
829 if( EUsbStarted == iState ) |
|
830 { |
|
831 iPersonalityHandler->StopPersonality( iStatus ); |
|
832 SetActive(); |
|
833 iState = EUsbStopping; |
|
834 |
|
835 } |
|
836 else if( EUsbStarting == iState ) |
|
837 { |
|
838 LOG( "Cancel ongoing start." ); |
|
839 Cancel(); |
|
840 } |
|
841 |
|
842 else |
|
843 { |
|
844 LOG( "Wrong state for Stop" ); |
|
845 } |
|
846 } |
|
847 |
|
848 // ---------------------------------------------------------------------------- |
|
849 // This method is used when there is need to change currently loaded |
|
850 // personality. |
|
851 // ---------------------------------------------------------------------------- |
|
852 // |
|
853 void CUsbWatcher::StopStart( TBool aNonBlocking ) |
|
854 { |
|
855 LOG_FUNC |
|
856 |
|
857 LOG1( "WatcherState = %d", iState ); |
|
858 if( iState == EUsbStarted ) |
|
859 { |
|
860 iState = EUsbConfirmStop; |
|
861 if( !aNonBlocking ) |
|
862 { |
|
863 iPersonalityHandler->ConfirmPersonalityUnload( iStatus ); |
|
864 SetActive(); |
|
865 } |
|
866 else |
|
867 { |
|
868 LOG( "CUsbWatcher::StopStart not confirming" ); |
|
869 SetActive(); |
|
870 TRequestStatus* status = &iStatus; |
|
871 User::RequestComplete( status, KErrNone ); |
|
872 } |
|
873 } |
|
874 else |
|
875 { |
|
876 LOG( "Wrong state to StopStart" ); |
|
877 } |
|
878 } |
|
879 |
|
880 // ---------------------------------------------------------------------------- |
|
881 // CUsbWatcherSession uses this method to register observer. |
|
882 // ---------------------------------------------------------------------------- |
|
883 // |
|
884 void CUsbWatcher::RegisterObserverL( MUsbWatcherNotify* aObserver ) |
|
885 { |
|
886 LOG_FUNC |
|
887 |
|
888 TInt index = iObservers.Find( aObserver ); |
|
889 if( index < 0 ) |
|
890 { |
|
891 iObservers.AppendL( aObserver ); |
|
892 } |
|
893 } |
|
894 |
|
895 // ---------------------------------------------------------------------------- |
|
896 // CUsbWatcherSession uses this method to deregister observer. |
|
897 // ---------------------------------------------------------------------------- |
|
898 // |
|
899 void CUsbWatcher::DeRegisterObserver( MUsbWatcherNotify* aObserver ) |
|
900 { |
|
901 LOG_FUNC |
|
902 |
|
903 TInt index = iObservers.Find( aObserver ); |
|
904 |
|
905 if( index >= 0 ) |
|
906 { |
|
907 iObservers.Remove( index ); |
|
908 } |
|
909 } |
|
910 |
|
911 // ---------------------------------------------------------------------------- |
|
912 // This method is used to complete any outstanding request. |
|
913 // ---------------------------------------------------------------------------- |
|
914 // |
|
915 void CUsbWatcher::Notify( TInt aStatus ) |
|
916 { |
|
917 LOG_FUNC |
|
918 |
|
919 LOG1( "aStatus = %d", aStatus ); |
|
920 TInt status = aStatus; |
|
921 |
|
922 // clear every time when notified |
|
923 iPersonalityChangeOngoing = EFalse; |
|
924 |
|
925 if( iSetPersonalityOngoing || iChangePersonalityOngoing ) |
|
926 { |
|
927 iSetPersonalityOngoing = EFalse; |
|
928 iChangePersonalityOngoing = EFalse; |
|
929 |
|
930 if( status == KErrNone ) |
|
931 { |
|
932 status = WritePersonalityId( iPersonalityId ); |
|
933 } |
|
934 else |
|
935 { |
|
936 // in case of error return to state before SetPersonality |
|
937 iPersonalityId = iPrevPersonalityId; |
|
938 iPrevPersonalityId = iOldPrevPersonalityId; |
|
939 } |
|
940 } |
|
941 |
|
942 if( iSetPreviousPersonalityOngoing ) |
|
943 { |
|
944 iSetPreviousPersonalityOngoing = EFalse; |
|
945 |
|
946 if( status == KErrNone ) |
|
947 { |
|
948 WritePersonalityId( iPersonalityId ); |
|
949 } |
|
950 else |
|
951 { |
|
952 // in case of error return to state before SetPreviousPersonality |
|
953 TInt temp = iPrevPersonalityId; |
|
954 |
|
955 iPrevPersonalityId = iPersonalityId; |
|
956 iPersonalityId = temp; |
|
957 } |
|
958 } |
|
959 |
|
960 for( TInt i = 0; i < iObservers.Count(); i++ ) |
|
961 { |
|
962 iObservers[i]->Notify( iPersonalityId, status ); |
|
963 } |
|
964 } |
|
965 |
|
966 // ---------------------------------------------------------------------------- |
|
967 // Stop loaded personality. Called from global state handler |
|
968 // ---------------------------------------------------------------------------- |
|
969 // |
|
970 void CUsbWatcher::StopPersonality() |
|
971 { |
|
972 LOG_FUNC |
|
973 // restore settings |
|
974 iPersonalityId = iPrevPersonalityId; |
|
975 |
|
976 Stop(); |
|
977 iStarted = EFalse; |
|
978 } |
|
979 |
|
980 // ---------------------------------------------------------------------------- |
|
981 // Start personality. Called from global state handler |
|
982 // ---------------------------------------------------------------------------- |
|
983 // |
|
984 void CUsbWatcher::StartPersonality() |
|
985 { |
|
986 LOG_FUNC |
|
987 |
|
988 if( !iStarted ) |
|
989 { |
|
990 Start(); |
|
991 } |
|
992 |
|
993 //start usbdevcon only in normal global state |
|
994 TInt globalState = CUsbGlobalSystemStateObserver::GlobalSystemState(); |
|
995 if( ( globalState == ESwStateNormalRfOn ) || |
|
996 ( globalState == ESwStateNormalRfOff ) || |
|
997 ( globalState == ESwStateNormalBTSap ) ) |
|
998 { |
|
999 iUsbDevConStarter->Start(); |
|
1000 } |
|
1001 } |
|
1002 |
|
1003 // ---------------------------------------------------------------------------- |
|
1004 // Read default personality from ini file. Used in charging mode |
|
1005 // ---------------------------------------------------------------------------- |
|
1006 // |
|
1007 TInt CUsbWatcher::GetChargingPersonalityId( TInt& aPersonalityId ) |
|
1008 { |
|
1009 LOG_FUNC |
|
1010 |
|
1011 TInt ret = iPersonalityRepository->Get( |
|
1012 KUsbWatcherChargingDefaultPersonality, aPersonalityId ); |
|
1013 return ret; |
|
1014 } |
|
1015 |
|
1016 // ---------------------------------------------------------------------------- |
|
1017 // Check if there is an observer with ask on connection suppression |
|
1018 // ---------------------------------------------------------------------------- |
|
1019 // |
|
1020 TBool CUsbWatcher::IsAskOnConnectionSuppression() |
|
1021 { |
|
1022 LOG_FUNC |
|
1023 |
|
1024 TBool ret( EFalse ); |
|
1025 for( TInt i = 0; i < iObservers.Count(); i++ ) |
|
1026 { |
|
1027 if( iObservers[i]->IsAskOnConnectionSuppressed() ) |
|
1028 { |
|
1029 ret = ETrue; |
|
1030 break; |
|
1031 } |
|
1032 } |
|
1033 LOG1( "Return = %d", ret ); |
|
1034 return ret; |
|
1035 } |
|
1036 |
|
1037 // ---------------------------------------------------------------------------- |
|
1038 // Check current A or B device state |
|
1039 // ---------------------------------------------------------------------------- |
|
1040 // |
|
1041 TBool CUsbWatcher::IsDeviceA() |
|
1042 { |
|
1043 //NOT LOGGED |
|
1044 // return EFalse in non-OTG configuration otherwise ask UsbOtgWatcher |
|
1045 return iOtgWatcher ? iOtgWatcher->IsDeviceA() : EFalse; |
|
1046 } |
|
1047 |
|
1048 // ---------------------------------------------------------------------------- |
|
1049 // Write new personality to central repository. |
|
1050 // ---------------------------------------------------------------------------- |
|
1051 // |
|
1052 TInt CUsbWatcher::WritePersonalityId( TInt aPersonalityId ) |
|
1053 { |
|
1054 LOG_FUNC |
|
1055 |
|
1056 // Save as the default personality only if it is not hidden |
|
1057 TUint32 property(0); |
|
1058 TInt ret = iUsbMan.GetPersonalityProperty( aPersonalityId, property ); |
|
1059 if ( ret == KErrNone ) |
|
1060 { |
|
1061 LOG2( "Personality %d property: 0x%x", aPersonalityId, property ); |
|
1062 } |
|
1063 else |
|
1064 { |
|
1065 //Not fatal, treat as non-hidden |
|
1066 LOG1( "ERROR: GetPersonalityProperty = %d", ret ); |
|
1067 property = 0; |
|
1068 } |
|
1069 if ( property & KUsbPersonalityPropertyHidden ) //Bitwise AND |
|
1070 { |
|
1071 LOG( "Hidden personality not saved to central repository" ); |
|
1072 ret = KErrNone; |
|
1073 } |
|
1074 else |
|
1075 { |
|
1076 ret = iPersonalityRepository->Set( KUsbWatcherPersonality, |
|
1077 aPersonalityId ); |
|
1078 } |
|
1079 return ret; |
|
1080 } |
|
1081 |
|
1082 // End of file |