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1 /* |
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2 * Copyright (c) 2009 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: |
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15 * |
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16 */ |
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17 // INCLUDE FILES |
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18 #include <e32std.h> |
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19 #include "toolsusbportlistener.h" |
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20 |
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21 // LOCAL FUNCTION PROTOTYPES |
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22 |
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23 // LOCAL CONSTANTS |
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24 |
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25 const TUint KUsbDeviceStateMask = 0x00ff; |
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26 #define KPersonalityPCSuite 113 |
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27 #define KPersonalityPCSuiteMTP 5 |
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28 |
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29 // |
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30 // CToolsUsbPortListener::CToolsUsbPortListener |
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31 // Constructor |
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32 // |
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33 CToolsUsbPortListener::CToolsUsbPortListener (MToolsConnectionListener *aConnectionListener) |
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34 :CToolsCommPortListener(aConnectionListener, CActive::EPriorityStandard) |
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35 { |
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36 iUsbDeviceState = EUsbDeviceStateUndefined; |
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37 iConnected = EFalse; |
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38 iPersonalityId = 0; |
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39 |
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40 // For platsim, getting the USB device state is not supported. |
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41 // Infact it panics the server, so don't bother with the USB state for platsim. |
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42 #ifndef __PLATSIM__ |
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43 TInt err = iUsbServer.Connect(); |
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44 |
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45 err = iUsbServer.GetDeviceState( iUsbDeviceState ); |
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46 if (!err) |
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47 err = iUsbServer.GetCurrentPersonalityId( iPersonalityId ); |
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48 |
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49 if (!err && iUsbDeviceState == EUsbDeviceStateConfigured |
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50 && iPersonalityId == KPersonalityPCSuiteMTP) |
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51 iConnected = ETrue; |
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52 |
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53 CActiveScheduler::Add( this ); |
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54 #endif |
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55 |
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56 } |
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57 |
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58 // |
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59 // CToolsUsbPortListener::~CToolsUsbPortListener |
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60 // Destructor |
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61 // |
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62 CToolsUsbPortListener::~CToolsUsbPortListener() |
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63 { |
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64 #ifndef __PLATSIM__ |
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65 Cancel(); // Ensure that any outstanding requests are cancelled |
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66 Deque(); |
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67 iUsbServer.Close(); |
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68 #endif |
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69 } |
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70 |
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71 // |
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72 // CToolsUsbPortListener::ListenL |
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73 // Starts listening for usb connection status notifications.. |
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74 // |
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75 void CToolsUsbPortListener::ListenL() |
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76 { |
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77 IssueRequestL(); |
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78 } |
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79 |
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80 // |
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81 // CToolsUsbPortListener::IsConnectionAvailable |
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82 // |
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83 TBool CToolsUsbPortListener::IsConnectionAvailable() |
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84 { |
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85 #ifndef __PLATSIM__ |
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86 TInt err = iUsbServer.GetDeviceState( iUsbDeviceState ); |
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87 if (!err) |
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88 err = iUsbServer.GetCurrentPersonalityId( iPersonalityId ); |
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89 |
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90 if (!err && iUsbDeviceState == EUsbDeviceStateConfigured |
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91 && iPersonalityId == KPersonalityPCSuiteMTP) |
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92 { |
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93 iConnected = ETrue; |
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94 return ETrue; |
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95 } |
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96 #endif |
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97 return EFalse; |
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98 } |
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99 |
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100 // |
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101 // CToolsUsbPortListener::IssueRequestL |
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102 // |
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103 void CToolsUsbPortListener::IssueRequestL() |
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104 { |
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105 #ifndef __PLATSIM__ |
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106 if ( iUsbDeviceState == EUsbDeviceStateUndefined ) |
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107 { |
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108 User::LeaveIfError( iUsbServer.GetDeviceState( iUsbDeviceState ) ); |
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109 } |
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110 |
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111 iUsbServer.DeviceStateNotification(KUsbDeviceStateMask, iUsbDeviceState, iStatus); |
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112 SetActive(); |
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113 #endif |
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114 } |
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115 |
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116 // |
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117 // CToolsUsbPortListener::StopListening |
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118 // Cancel any pending requests for connection status notifications. |
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119 // |
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120 void CToolsUsbPortListener::StopListening() |
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121 { |
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122 Cancel(); |
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123 } |
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124 |
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125 // |
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126 // CToolsUsbPortListener::DoCancel |
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127 // This method gets called from CActive::Cancel(); |
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128 // |
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129 void CToolsUsbPortListener::DoCancel() |
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130 { |
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131 #ifndef __PLATSIM__ |
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132 iUsbServer.DeviceStateNotificationCancel(); |
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133 #endif |
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134 iUsbDeviceState = EUsbDeviceStateUndefined; |
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135 } |
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136 |
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137 // |
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138 // CToolsUsbPortListener::RunL |
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139 // This method gets called whenever there is a change in the connection status. |
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140 // Right now we are interested only when the cable is disconnected. |
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141 // For all the other notifications, just reissues the request. |
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142 // |
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143 void CToolsUsbPortListener::RunL() |
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144 { |
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145 #ifndef __PLATSIM__ |
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146 User::LeaveIfError( iStatus.Int() ); |
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147 |
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148 iUsbServer.GetCurrentPersonalityId( iPersonalityId ); |
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149 |
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150 if ( iUsbDeviceState == EUsbDeviceStateUndefined || |
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151 (iUsbDeviceState == EUsbDeviceStateConfigured && iPersonalityId != KPersonalityPCSuiteMTP) ) |
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152 { |
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153 iConnectionListener->ConnectionUnAvailable(); |
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154 iConnected = EFalse; |
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155 } |
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156 // There is something wrong with USB cable status notifications |
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157 // When the cable is disconnected, first you get a notification |
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158 // with the device state as configured. |
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159 // So we need to work around using a local status flag |
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160 else if ( iUsbDeviceState == EUsbDeviceStateConfigured && |
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161 iPersonalityId == KPersonalityPCSuiteMTP && |
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162 !iConnected) |
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163 { |
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164 iConnected = ETrue; |
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165 iConnectionListener->ConnectionAvailable();; |
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166 } |
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167 |
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168 IssueRequestL(); |
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169 #endif |
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170 } |
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171 |
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172 TConnectionStatus CToolsUsbPortListener::GetUsbConnStatus() |
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173 { |
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174 if(iConnected) |
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175 return EUsbConnected; |
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176 |
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177 return EUsbNotConnected; |
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178 } |
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179 |
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180 |
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181 |