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1 /* |
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2 * Copyright (c) 2006 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: Monitors for USB events |
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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 <e32base.h> |
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20 #include <f32file.h> |
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21 #include <e32property.h> |
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22 #ifdef RD_MULTIPLE_DRIVE |
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23 #include <driveinfo.h> |
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24 #endif //RD_MULTIPLE_DRIVE |
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25 #include <mpxpskeywatcher.h> |
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26 #include <coreapplicationuisdomainpskeys.h> |
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27 #include <UsbWatcherInternalPSKeys.h> |
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28 #include <usbpersonalityids.h> |
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29 #include <mtpprivatepskeys.h> |
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30 #include <mpxlog.h> |
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31 #include "mpxconnectioneventhandler.h" |
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32 |
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33 // CONSTANTS |
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34 const TUint KUsbAllStates = 0xFFFFFFFF; |
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35 |
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36 // --------------------------------------------------------------------------- |
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37 // Default Constructor |
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38 // --------------------------------------------------------------------------- |
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39 // |
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40 CMPXConnectionEventHandler::CMPXConnectionEventHandler( MMPXSystemEventObserver& aObserver ) : |
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41 CActive( EPriorityStandard ), |
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42 iObserver( aObserver ), |
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43 iState ( EMPXConnectionNone ), |
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44 iUsbManConnected( EFalse ) |
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45 |
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46 |
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47 { |
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48 CActiveScheduler::Add( this ); |
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49 } |
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50 |
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51 |
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52 // --------------------------------------------------------------------------- |
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53 // 2nd Phase Constructor |
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54 // --------------------------------------------------------------------------- |
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55 // |
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56 void CMPXConnectionEventHandler::ConstructL() |
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57 { |
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58 MPX_DEBUG1(_L("CMPXConnectionEventHandler::ConstructL <---")); |
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59 iUSBKeyWatcher = CMPXPSKeyWatcher::NewL( KPSUidUsbWatcher, |
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60 KUsbWatcherSelectedPersonality, |
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61 this ); |
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62 |
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63 //for checking MTP status key whether a client has started |
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64 iMTPKeyWatcher = CMPXPSKeyWatcher::NewL( KMtpPSUid, |
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65 KMtpPSStatus, |
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66 this ); |
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67 |
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68 // Connect to usbman |
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69 ConnectUsbMan(); |
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70 MPX_DEBUG1(_L("CMPXConnectionEventHandler::ConstructL --->")); |
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71 } |
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72 |
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73 |
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74 // --------------------------------------------------------------------------- |
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75 // Two Phased Constructor |
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76 // --------------------------------------------------------------------------- |
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77 // |
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78 CMPXConnectionEventHandler* CMPXConnectionEventHandler::NewL |
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79 ( MMPXSystemEventObserver& aObserver ) |
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80 { |
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81 CMPXConnectionEventHandler* self = CMPXConnectionEventHandler::NewLC( aObserver ); |
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82 CleanupStack::Pop( self ); |
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83 return self; |
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84 } |
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85 |
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86 |
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87 // --------------------------------------------------------------------------- |
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88 // Two Phased Constructor |
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89 // --------------------------------------------------------------------------- |
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90 // |
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91 CMPXConnectionEventHandler* CMPXConnectionEventHandler::NewLC |
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92 ( MMPXSystemEventObserver& aObserver ) |
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93 |
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94 { |
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95 CMPXConnectionEventHandler* self = new( ELeave ) CMPXConnectionEventHandler( aObserver); |
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96 CleanupStack::PushL( self ); |
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97 self->ConstructL(); |
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98 return self; |
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99 } |
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100 |
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101 |
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102 // --------------------------------------------------------------------------- |
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103 // Destructor |
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104 // --------------------------------------------------------------------------- |
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105 // |
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106 CMPXConnectionEventHandler::~CMPXConnectionEventHandler() |
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107 { |
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108 Cancel(); |
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109 if ( iUsbManConnected ) |
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110 { |
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111 iUsbMan.Close(); |
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112 } |
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113 delete iUSBKeyWatcher; |
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114 delete iMTPKeyWatcher; |
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115 } |
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116 |
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117 // --------------------------------------------------------------------------- |
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118 // Poll for any ongoing USB / MTP event |
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119 // --------------------------------------------------------------------------- |
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120 // |
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121 void CMPXConnectionEventHandler::PollStatus() |
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122 { |
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123 // only call back on connection state != EMPXConnectionNone |
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124 if (iState == EMPXConnectionMassStorage) |
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125 { |
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126 TRAP_IGNORE( DoMSStartEventL() ); |
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127 } |
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128 else if (iState == EMPXConnectionMTPActive) |
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129 { |
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130 TRAP_IGNORE( DoMTPStartEventL() ); |
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131 } |
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132 else if (iState == EMPXConnectionMTPIdle) |
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133 { |
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134 TRAP_IGNORE( DoMTPNotActiveEventL() ); |
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135 } |
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136 } |
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137 |
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138 // --------------------------------------------------------------------------- |
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139 // Handle the PS key event |
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140 // --------------------------------------------------------------------------- |
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141 // |
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142 void CMPXConnectionEventHandler::HandlePSEvent( TUid aUid, TInt aKey ) |
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143 { |
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144 TRAP_IGNORE( DoHandlePSEventL(aUid,aKey) ); |
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145 } |
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146 |
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147 // --------------------------------------------------------------------------- |
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148 // Handle the PS key event |
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149 // --------------------------------------------------------------------------- |
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150 // |
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151 void CMPXConnectionEventHandler::DoHandlePSEventL( TUid /*aUid*/, TInt /*aKey*/ ) |
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152 { |
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153 MPX_FUNC("CMPXConnectionEventHandler::DoHandlePSEvent()"); |
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154 if ( !iUsbManConnected ) |
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155 { |
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156 ConnectUsbMan(); |
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157 } |
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158 |
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159 // Handle the Key event |
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160 TInt usbStatus; |
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161 iUSBKeyWatcher->GetValue( usbStatus ); |
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162 |
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163 TInt mtpStatus; |
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164 TInt err = iMTPKeyWatcher->GetValue(mtpStatus); |
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165 |
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166 MPX_DEBUG3("CMPXConnectionEventHandler::DoHandlePSEventL, usbStatus = %d, mtpStatus = %d", usbStatus, mtpStatus); |
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167 MPX_DEBUG2("CMPXConnectionEventHandler::DoHandlePSEventL, iState = %d", iState); |
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168 MPX_DEBUG4("CMPXConnectionEventHandler::DoHandlePSEventL, iDeviceState = %d, EUsbDeviceStateAddress(%d), EUsbDeviceStateConfigured(%d)", iDeviceState, EUsbDeviceStateAddress, EUsbDeviceStateConfigured); |
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169 |
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170 // events from lower level is not causing multiple callback on the same type |
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171 // usb is really only connected if went through Address or Configured state |
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172 if( (usbStatus == KUsbPersonalityIdMS) && (iDeviceState == EUsbDeviceStateAddress || iDeviceState == EUsbDeviceStateConfigured)) |
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173 { |
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174 if ((iState == EMPXConnectionMTPIdle) || (iState == EMPXConnectionMTPActive)) |
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175 { |
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176 MPX_DEBUG1("CMPXConnectionEventHandler::DoHandlePSEvent - MTP End"); |
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177 iObserver.HandleSystemEventL( EUSBMTPEndEvent, -1 ); |
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178 iState = EMPXConnectionNone; |
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179 } |
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180 |
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181 if (iState != EMPXConnectionMassStorage) |
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182 { |
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183 DoMSStartEventL(); |
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184 } |
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185 } |
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186 else if (iState == EMPXConnectionMassStorage) |
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187 { |
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188 if (usbStatus != KUsbPersonalityIdMS) |
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189 { |
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190 MPX_DEBUG1("CMPXConnectionEventHandler::DoHandlePSEvent - USB MassStorage End"); |
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191 iObserver.HandleSystemEventL( EUSBMassStorageEndEvent, -1 ); |
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192 iState = EMPXConnectionNone; |
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193 } |
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194 } |
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195 |
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196 // after MassStorage End, it is possible that MTP is still connected |
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197 if (iState != EMPXConnectionMassStorage) |
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198 { |
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199 if (err == KErrNone) |
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200 { |
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201 if ((mtpStatus == EMtpPSStatusUninitialized) && (iState != EMPXConnectionNone)) |
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202 { |
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203 MPX_DEBUG1("CMPXConnectionEventHandler::DoHandlePSEvent - MTP End"); |
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204 iObserver.HandleSystemEventL( EUSBMTPEndEvent, -1 ); |
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205 iState = EMPXConnectionNone; |
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206 } |
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207 else if ((mtpStatus == EMtpPSStatusActive) && (iState != EMPXConnectionMTPActive) |
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208 && ((usbStatus == KUsbPersonalityIdMTP) || (usbStatus == KUsbPersonalityIdPCSuiteMTP))) // only trigger MusicPlayer fully block and RAM Drive if USB MTP/PCSuiteMTP is connected |
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209 { |
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210 DoMTPStartEventL(); |
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211 } |
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212 else if ((mtpStatus == EMtpPSStatusReadyToSync) && (iState != EMPXConnectionMTPIdle) && (iState != EMPXConnectionMTPActive)) |
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213 { |
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214 DoMTPNotActiveEventL(); |
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215 } |
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216 } |
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217 else |
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218 { |
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219 // mtpwatcher can err out because the mtp ps key would only be defined and default after first use, |
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220 // and this logic here might hit before that |
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221 MPX_DEBUG2("CMPXConnectionEventHandler::DoHandlePSEvent - MTPWatcher err = %d", err); |
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222 } |
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223 } |
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224 } |
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225 |
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226 void CMPXConnectionEventHandler::DoMSStartEventL() |
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227 { |
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228 MPX_DEBUG1("CMPXConnectionEventHandler::DoMSStartEventL - USB MassStorage Start"); |
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229 iObserver.HandleSystemEventL( EUSBMassStorageStartEvent, -1 ); |
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230 iState = EMPXConnectionMassStorage; |
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231 } |
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232 |
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233 void CMPXConnectionEventHandler::DoMTPStartEventL() |
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234 { |
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235 MPX_DEBUG1("CMPXConnectionEventHandler::DoMTPStartEventL - MTP Start"); |
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236 iObserver.HandleSystemEventL( EUSBMTPStartEvent, -1 ); |
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237 iState = EMPXConnectionMTPActive; |
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238 } |
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239 |
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240 void CMPXConnectionEventHandler::DoMTPNotActiveEventL() |
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241 { |
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242 MPX_DEBUG1("CMPXConnectionEventHandler::DoMTPNotActiveEventL - MTP Not Active"); |
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243 iObserver.HandleSystemEventL( EUSBMTPNotActiveEvent, -1 ); |
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244 iState = EMPXConnectionMTPIdle; |
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245 } |
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246 |
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247 // --------------------------------------------------------------------------- |
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248 // CMPXConnectionEventHandler::RunL |
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249 // --------------------------------------------------------------------------- |
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250 // |
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251 void CMPXConnectionEventHandler::RunL() |
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252 { |
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253 MPX_FUNC("CMPXConnectionEventHandler::RunL()"); |
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254 TInt status( iStatus.Int() ); |
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255 |
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256 MPX_DEBUG2("CMPXConnectionEventHandler::RunL status=%d", status ); |
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257 if ( status != KErrCancel && status != KErrServerTerminated ) |
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258 { |
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259 iUsbMan.DeviceStateNotification( KUsbAllStates, iDeviceState, iStatus ); |
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260 SetActive(); |
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261 } |
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262 |
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263 if ( status == KErrNone ) |
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264 { |
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265 MPX_DEBUG2("CMPXConnectionEventHandler::RunL - DeviceState = %d", iDeviceState); |
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266 HandlePSEvent( TUid::Uid(0), 0 ); |
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267 } |
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268 } |
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269 |
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270 // --------------------------------------------------------------------------- |
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271 // CMPXConnectionEventHandler::DoCancel |
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272 // --------------------------------------------------------------------------- |
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273 // |
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274 void CMPXConnectionEventHandler::DoCancel() |
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275 { |
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276 MPX_FUNC("CMPXConnectionEventHandler::DoCancel()"); |
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277 if ( iUsbManConnected ) |
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278 { |
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279 iUsbMan.DeviceStateNotificationCancel(); |
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280 } |
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281 } |
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282 |
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283 // --------------------------------------------------------------------------- |
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284 // CMPXConnectionEventHandler::ConnectUsbMan |
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285 // If error, default iDeviceState to EUsbDeviceStateConfigured so this would not |
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286 // block usb event mode change. |
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287 // --------------------------------------------------------------------------- |
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288 void CMPXConnectionEventHandler::ConnectUsbMan() |
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289 { |
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290 MPX_FUNC("CMPXConnectionEventHandler::ConnectUsbMan()"); |
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291 if ( iUsbMan.Connect() == KErrNone ) |
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292 { |
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293 iUsbManConnected = ETrue; |
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294 // get device state |
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295 TInt err = iUsbMan.GetDeviceState( iDeviceState ); |
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296 if ( err ) |
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297 { |
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298 iDeviceState = EUsbDeviceStateUndefined; |
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299 } |
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300 |
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301 // start active object |
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302 if ( !IsActive() ) |
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303 { |
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304 iUsbMan.DeviceStateNotification( KUsbAllStates, iDeviceState, iStatus ); |
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305 SetActive(); |
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306 } |
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307 } |
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308 else |
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309 { |
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310 iDeviceState = EUsbDeviceStateConfigured; |
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311 } |
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312 } |
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313 // END OF FILE |
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314 |