1 /* |
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2 * Copyright (c) 2009-2010 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 TUsbIndicatorHandler class. |
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15 * |
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16 */ |
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17 |
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18 #include <e32std.h> |
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19 #include <hbindicatorsymbian.h> |
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20 #include <hbsymbianvariant.h> |
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21 #include <usbman.h> |
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22 #include "debug.h" |
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23 #include "cusbindicatorhandler.h" |
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24 |
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25 |
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26 // --------------------------------------------------------------------------- |
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27 // C++ Constructor |
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28 // --------------------------------------------------------------------------- |
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29 // |
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30 |
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31 CUsbIndicatorHandler::CUsbIndicatorHandler() |
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32 { |
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33 // No implementation required |
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34 } |
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35 |
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36 CUsbIndicatorHandler::~CUsbIndicatorHandler() |
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37 { |
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38 delete iSymbianIndicator; |
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39 |
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40 } |
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41 |
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42 CUsbIndicatorHandler* CUsbIndicatorHandler::NewLC() |
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43 { |
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44 CUsbIndicatorHandler* self = new (ELeave) CUsbIndicatorHandler(); |
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45 CleanupStack::PushL(self); |
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46 self->ConstructL(); |
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47 return self; |
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48 } |
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49 |
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50 CUsbIndicatorHandler* CUsbIndicatorHandler::NewL() |
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51 { |
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52 CUsbIndicatorHandler* self = CUsbIndicatorHandler::NewLC(); |
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53 CleanupStack::Pop(); // self; |
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54 return self; |
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55 } |
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56 |
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57 void CUsbIndicatorHandler::ConstructL() |
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58 { |
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59 LOG_FUNC |
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60 |
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61 iDevStateB4Suspend = EUsbDeviceStateUndefined; |
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62 iSymbianIndicator = CHbIndicatorSymbian::NewL(); |
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63 } |
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64 |
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65 // --------------------------------------------------------------------------- |
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66 // Change USB Indicator |
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67 // --------------------------------------------------------------------------- |
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68 // |
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69 void CUsbIndicatorHandler::HandleDeviceStateChangeL( TUsbDeviceState aStateOld, |
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70 TUsbDeviceState aStateNew, TInt aPersonality ) |
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71 { |
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72 LOG_FUNC |
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73 |
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74 LOG2( "USB device state changed: %d ==> %d", aStateOld, aStateNew ); |
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75 |
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76 if ( EUsbDeviceStateAddress == aStateNew ) // Entering addressed state |
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77 { |
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78 // going down configured -> addressed |
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79 if( ( EUsbDeviceStateConfigured == aStateOld ) || |
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80 ( ( EUsbDeviceStateSuspended == aStateOld ) && |
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81 ( EUsbDeviceStateConfigured == iDevStateB4Suspend ) ) ) |
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82 { |
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83 ShowUsbConnectedIndicatorL( EFalse, aPersonality ); |
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84 } |
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85 |
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86 // connecting indicator will be shown when addressed state is entered going up or down |
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87 // note that when disconnecting the cable (no need to show connecting indicator) |
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88 // the state change is CONFIGURED => SUSPENDED => POWERED => UNDEFINED |
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89 // filter out case of addressed -> suspended -> addressed |
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90 if ( ( EUsbDeviceStateSuspended != aStateOld ) || |
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91 ( EUsbDeviceStateAddress != iDevStateB4Suspend) ) |
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92 { |
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93 ShowUsbAddressedIndicator( ETrue ); |
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94 } |
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95 } |
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96 |
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97 else if ( EUsbDeviceStateConfigured == aStateNew ) // Entering configured state |
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98 { |
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99 // filter out case of configed -> suspended -> configed |
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100 if ( ( EUsbDeviceStateSuspended != aStateOld ) || |
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101 ( EUsbDeviceStateConfigured != iDevStateB4Suspend) ) |
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102 { |
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103 ShowUsbAddressedIndicator( EFalse ); |
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104 ShowUsbConnectedIndicatorL( ETrue, aPersonality ); |
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105 } |
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106 } |
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107 |
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108 else if ( EUsbDeviceStateUndefined == aStateNew ) // Entering undefined |
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109 { |
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110 ShowUsbAddressedIndicator( EFalse ); |
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111 ShowUsbConnectedIndicatorL( EFalse, aPersonality ); |
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112 } |
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113 |
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114 |
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115 else if ( EUsbDeviceStateSuspended == aStateNew ) |
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116 // If current state is suspend, we do not change the indicator, but save |
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117 // the previous state |
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118 { |
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119 iDevStateB4Suspend = aStateOld; |
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120 } |
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121 else // New device state is not configured, nor suspended, nor addressed |
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122 { |
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123 ShowUsbConnectedIndicatorL( EFalse, aPersonality ); |
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124 } |
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125 |
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126 } |
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127 |
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128 // --------------------------------------------------------------------------- |
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129 // Show USB Indicator |
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130 // --------------------------------------------------------------------------- |
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131 // |
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132 void CUsbIndicatorHandler::ShowUsbConnectedIndicatorL( TBool aActivate, TInt aPersonality ) |
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133 { |
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134 LOG_FUNC |
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135 TBool success = EFalse; |
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136 _LIT(KUsbIndicator, "com.nokia.hb.indicator.usb.device.connected/1.0"); |
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137 |
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138 if (aActivate) |
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139 { |
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140 RUsb usbman; |
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141 User::LeaveIfError(usbman.Connect()); |
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142 CleanupClosePushL(usbman); |
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143 HBufC* description = NULL; |
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144 User::LeaveIfError(usbman.GetDescription(aPersonality, |
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145 description)); |
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146 CleanupStack::PopAndDestroy(&usbman); |
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147 CleanupStack::PushL(description); |
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148 CHbSymbianVariant* parameters = CHbSymbianVariant::NewL(description, CHbSymbianVariant::EDes); |
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149 CleanupStack::PopAndDestroy(description); |
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150 success = iSymbianIndicator->Activate(KUsbIndicator, parameters); |
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151 LOG1( "calling CHbIndicatorSymbian::Activate(), returned %d", success); |
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152 if (!success) |
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153 { |
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154 TInt indicatorerror = iSymbianIndicator->Error(); |
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155 LOG1( "activating the indicator failed with %d", indicatorerror); |
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156 } |
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157 else |
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158 { |
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159 iConnectedIndicatorActive = ETrue; |
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160 } |
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161 delete parameters; |
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162 } |
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163 else if (iConnectedIndicatorActive) |
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164 { |
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165 success = iSymbianIndicator->Deactivate(KUsbIndicator); |
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166 LOG1( "calling CHbIndicatorSymbian::Deactivate(), returned %d", success); |
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167 if (success) |
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168 { |
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169 iConnectedIndicatorActive = EFalse; |
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170 } |
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171 LOG( "calling CHbIndicatorSymbian::Deactivate()"); |
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172 } |
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173 |
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174 } |
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175 |
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176 void CUsbIndicatorHandler::ShowUsbAddressedIndicator( TBool aActivate ) |
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177 { |
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178 LOG_FUNC |
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179 TBool success = EFalse; |
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180 _LIT(KUsbIndicator, "com.nokia.hb.indicator.usb.device.inprogress/1.0"); |
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181 if (aActivate) |
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182 { |
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183 success = iSymbianIndicator->Activate(KUsbIndicator); |
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184 LOG1( "calling CHbIndicatorSymbian::Activate(), returned %d", success); |
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185 if (!success) |
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186 { |
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187 TInt indicatorerror = iSymbianIndicator->Error(); |
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188 LOG1( "activating the indicator failed with %d", indicatorerror); |
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189 } |
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190 else |
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191 { |
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192 iAddressedIndicatorActive = ETrue; |
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193 } |
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194 } |
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195 else if (iAddressedIndicatorActive) |
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196 { |
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197 success = iSymbianIndicator->Deactivate(KUsbIndicator); |
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198 LOG1( "calling CHbIndicatorSymbian::Deactivate(), returned %d", success); |
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199 if (success) |
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200 { |
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201 iAddressedIndicatorActive = EFalse; |
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202 } |
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203 LOG( "calling CHbIndicatorSymbian::Deactivate()"); |
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204 } |
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205 } |
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206 |
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207 |
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208 |
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209 // End of file |
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