1 /* |
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2 * Copyright (c) 2007 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: Device state watcher class. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include <e32base.h> |
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21 #include <e32property.h> |
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22 #include <UsbWatcherInternalPSKeys.h> |
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23 |
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24 #include "usbotghoststatewatcher.h" |
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25 #include "USBClassChangeUIPluginDebug.h" |
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26 |
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27 // -------------------------------------------------------------------------- |
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28 // Two-phased constructor. Uses existing usb manager session. |
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29 // -------------------------------------------------------------------------- |
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30 CUSBOtgHostStateWatcher* |
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31 CUSBOtgHostStateWatcher::NewL(MUSBOtgHostStateObserver& aObserver, RUsb& aUsbMan) |
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32 { |
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33 FLOG(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgHostStateWatcher:NewL")); |
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34 |
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35 CUSBOtgHostStateWatcher* self = new(ELeave)CUSBOtgHostStateWatcher(aObserver, aUsbMan); |
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36 CleanupStack::PushL(self); |
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37 self->ConstructL(); |
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38 CleanupStack::Pop(self); |
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39 return self; |
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40 } |
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41 |
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42 // -------------------------------------------------------------------------- |
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43 // C++ destructor |
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44 // -------------------------------------------------------------------------- |
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45 CUSBOtgHostStateWatcher::~CUSBOtgHostStateWatcher() |
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46 { |
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47 FLOG(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgHostStateWatcher:~CUSBOtgHostStateWatcher")); |
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48 |
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49 delete iOtgIdPinWatcher; |
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50 delete iHostEventWatcher; |
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51 iPeripheral.Close(); |
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52 } |
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53 |
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54 // -------------------------------------------------------------------------- |
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55 // Get Id pin state |
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56 // -------------------------------------------------------------------------- |
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57 TInt CUSBOtgHostStateWatcher::IsIdPinOn(TBool& aIsIdPinOn) |
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58 { |
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59 return iOtgIdPinWatcher->IsIdPinOn(aIsIdPinOn); |
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60 } |
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61 |
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62 // -------------------------------------------------------------------------- |
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63 // Check wheather a pheripheral device is connected or not. |
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64 // -------------------------------------------------------------------------- |
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65 TInt CUSBOtgHostStateWatcher::IsPeripheralConnected(TBool &aIsConnected) |
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66 { |
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67 aIsConnected = EFalse; |
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68 |
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69 TInt val(0); |
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70 TInt err = iPeripheral.Get(val); |
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71 |
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72 if (KErrNone != err) |
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73 { |
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74 FTRACE(FPrint(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgHostStateWatcher::IsPeripheralConnected - err=%d"), err)); |
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75 return err; |
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76 } |
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77 |
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78 FTRACE(FPrint(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgHostStateWatcher::IsPeripheralConnected - val=%d"), val)); |
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79 aIsConnected = (TBool)val; |
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80 |
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81 return KErrNone; |
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82 } |
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83 |
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84 // -------------------------------------------------------------------------- |
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85 // C++ constructor |
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86 // -------------------------------------------------------------------------- |
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87 CUSBOtgHostStateWatcher::CUSBOtgHostStateWatcher( |
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88 MUSBOtgHostStateObserver& aObserver, RUsb& aUsbMan) |
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89 : iUsbMan(aUsbMan), iObserver(aObserver) |
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90 { |
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91 } |
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92 |
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93 // -------------------------------------------------------------------------- |
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94 // Symbian 2nd phase constructor. |
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95 // -------------------------------------------------------------------------- |
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96 void CUSBOtgHostStateWatcher::ConstructL() |
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97 { |
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98 iOtgIdPinWatcher = CUSBOtgIdPinStateWatcher::NewL(*this); |
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99 iHostEventWatcher = CUSBHostEventNotifWatcher::NewL(*this); |
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100 TInt ret = iPeripheral.Attach(KPSUidUsbWatcher, KUsbWatcherIsPeripheralConnected); |
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101 if (ret != KErrNone) |
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102 { |
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103 FTRACE(FPrint(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgHostStateWatcher::ConstructL - iPeripheral.Attach err=%d"), ret)); |
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104 User::Leave(ret); |
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105 } |
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106 } |
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107 |
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108 |
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109 // -------------------------------------------------------------------------- |
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110 // Two-phased constructor. |
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111 // -------------------------------------------------------------------------- |
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112 CUSBOtgHostStateWatcher::CUSBOtgIdPinStateWatcher* |
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113 CUSBOtgHostStateWatcher::CUSBOtgIdPinStateWatcher::NewL(CUSBOtgHostStateWatcher& aOtgHostStateWatcher) |
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114 { |
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115 FLOG(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgIdPinStateWatcher::NewL")); |
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116 |
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117 CUSBOtgIdPinStateWatcher* self = new(ELeave)CUSBOtgIdPinStateWatcher(aOtgHostStateWatcher); |
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118 CleanupStack::PushL(self); |
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119 self->ConstructL(); |
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120 CleanupStack::Pop(self); |
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121 return self; |
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122 } |
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123 |
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124 // -------------------------------------------------------------------------- |
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125 // C++ destructor |
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126 // -------------------------------------------------------------------------- |
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127 CUSBOtgHostStateWatcher::CUSBOtgIdPinStateWatcher::~CUSBOtgIdPinStateWatcher() |
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128 { |
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129 FLOG(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgIdPinStateWatcher::~CUSBOtgIdPinStateWatcher")); |
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130 |
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131 Cancel(); |
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132 iIdPin.Close(); |
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133 } |
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134 |
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135 // -------------------------------------------------------------------------- |
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136 // Get Id pin state |
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137 // -------------------------------------------------------------------------- |
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138 TInt CUSBOtgHostStateWatcher::CUSBOtgIdPinStateWatcher::IsIdPinOn(TBool& aIsIdPinOn) |
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139 { |
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140 FLOG(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgIdPinStateWatcher::IsIdPinOn" )); |
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141 |
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142 TInt val(0); |
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143 TInt err = iIdPin.Get(val); |
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144 |
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145 if (KErrNone != err) |
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146 { |
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147 FTRACE(FPrint(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgIdPinStateWatcher::IsIdPinOn - err=%d"), err)); |
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148 return err; |
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149 } |
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150 |
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151 FTRACE(FPrint(_L( "[CUSBClassChangeUIPlugin]\t CUSBOtgIdPinStateWatcher::IsIdPinOn=%d" ), val )); |
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152 |
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153 // not found in docs clear definition of this property. Verification is needed |
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154 aIsIdPinOn = (0 == val ? EFalse : ETrue); |
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155 |
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156 return KErrNone; |
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157 } |
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158 |
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159 // -------------------------------------------------------------------------- |
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160 // The Id pin state has changed. |
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161 // -------------------------------------------------------------------------- |
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162 void CUSBOtgHostStateWatcher::CUSBOtgIdPinStateWatcher::RunL() |
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163 { |
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164 FLOG(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgIdPinStateWatcher::RunL")); |
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165 |
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166 if (iStatus.Int() != KErrNone) |
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167 { |
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168 FTRACE(FPrint(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgIdPinStateWatcher::RunL - iStatus=%d"), iStatus.Int())); |
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169 User::Leave(iStatus.Int()); |
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170 } |
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171 |
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172 // re-issue request first |
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173 iIdPin.Subscribe(iStatus); |
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174 SetActive(); |
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175 |
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176 TBool isIdPinOn; |
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177 TInt ret = IsIdPinOn(isIdPinOn); |
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178 if (ret != KErrNone) |
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179 { |
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180 FTRACE(FPrint(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgIdPinStateWatcher::RunL - IsIdPinOn=%d"), ret)); |
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181 User::Leave(ret); |
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182 } |
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183 |
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184 if (isIdPinOn) |
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185 { |
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186 FLOG(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgIdPinStateWatcher::RunL IdPin ON")); |
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187 |
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188 iOtgHostStateWatcher.iObserver.OtgHostIdPinStateChanged(ETrue); |
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189 } |
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190 else |
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191 { |
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192 FLOG(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgIdPinStateWatcher::RunL IdPin OFF")); |
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193 |
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194 iOtgHostStateWatcher.iObserver.OtgHostIdPinStateChanged(EFalse); |
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195 } |
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196 } |
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197 |
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198 // ---------------------------------------------------------------------------- |
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199 // Standard active object error function. |
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200 // ---------------------------------------------------------------------------- |
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201 TInt CUSBOtgHostStateWatcher::CUSBOtgIdPinStateWatcher::RunError(TInt aError) |
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202 { |
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203 FTRACE(FPrint(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgIdPinStateWatcher::RunL"), aError)); |
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204 |
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205 // Currently no leaving functions called in RunL, thus nothing should cause |
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206 // this to be called -> return. |
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207 return KErrNone; |
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208 } |
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209 |
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210 // ---------------------------------------------------------------------------- |
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211 // Standard active object cancellation function. |
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212 // ---------------------------------------------------------------------------- |
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213 void CUSBOtgHostStateWatcher::CUSBOtgIdPinStateWatcher::DoCancel() |
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214 { |
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215 FLOG(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgIdPinStateWatcher::DoCancel")); |
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216 |
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217 iIdPin.Cancel(); |
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218 } |
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219 |
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220 // ---------------------------------------------------------------------------- |
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221 // C++ constructor |
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222 // ---------------------------------------------------------------------------- |
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223 CUSBOtgHostStateWatcher::CUSBOtgIdPinStateWatcher::CUSBOtgIdPinStateWatcher( |
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224 CUSBOtgHostStateWatcher& aOtgHostStateWatcher) |
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225 : CActive(EPriorityStandard), iOtgHostStateWatcher(aOtgHostStateWatcher) |
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226 { |
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227 CActiveScheduler::Add(this); |
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228 } |
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229 |
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230 // -------------------------------------------------------------------------- |
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231 // Symbian 2nd phase constructor. |
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232 // -------------------------------------------------------------------------- |
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233 void CUSBOtgHostStateWatcher::CUSBOtgIdPinStateWatcher::ConstructL() |
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234 { |
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235 TInt ret = iIdPin.Attach(KUidUsbManCategory, KUsbOtgIdPinPresentProperty); |
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236 if (ret != KErrNone) |
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237 { |
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238 FTRACE(FPrint(_L("[CUSBClassChangeUIPlugin]\t CUSBOtgIdPinStateWatcher::ConstructL - iIdPin.Attach error:%d"), ret)); |
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239 User::Leave(ret); |
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240 } |
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241 |
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242 // Issue request first |
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243 iIdPin.Subscribe(iStatus); |
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244 SetActive(); |
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245 } |
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246 |
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247 // -------------------------------------------------------------------------- |
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248 // Two-phased constructor. |
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249 // -------------------------------------------------------------------------- |
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250 CUSBOtgHostStateWatcher::CUSBHostEventNotifWatcher* |
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251 CUSBOtgHostStateWatcher::CUSBHostEventNotifWatcher::NewL(CUSBOtgHostStateWatcher& aOtgHostStateWatcher) |
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252 { |
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253 FLOG(_L("[CUSBClassChangeUIPlugin]\t CUSBHostEventNotifWatcher::NewL")); |
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254 |
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255 CUSBHostEventNotifWatcher* self = new(ELeave)CUSBHostEventNotifWatcher(aOtgHostStateWatcher); |
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256 CleanupStack::PushL(self); |
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257 self->ConstructL(); |
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258 CleanupStack::Pop(self); |
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259 return self; |
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260 } |
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261 |
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262 // -------------------------------------------------------------------------- |
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263 // C++ destructor |
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264 // -------------------------------------------------------------------------- |
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265 CUSBOtgHostStateWatcher::CUSBHostEventNotifWatcher::~CUSBHostEventNotifWatcher() |
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266 { |
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267 FLOG(_L("[CUSBClassChangeUIPlugin]\t CUSBHostEventNotifWatcher::~CUSBHostEventNotifWatcher")); |
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268 |
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269 Cancel(); |
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270 } |
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271 |
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272 // -------------------------------------------------------------------------- |
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273 // The Id pin state has changed. |
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274 // -------------------------------------------------------------------------- |
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275 void CUSBOtgHostStateWatcher::CUSBHostEventNotifWatcher::RunL() |
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276 { |
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277 FLOG(_L("[CUSBClassChangeUIPlugin]\t CUSBHostEventNotifWatcher::RunL")); |
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278 |
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279 if (iStatus.Int() != KErrNone) |
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280 { |
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281 FTRACE(FPrint(_L("[CUSBClassChangeUIPlugin]\t CUSBHostEventNotifWatcher::RunL - iStatus=%d"), iStatus.Int())); |
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282 User::Leave(iStatus.Int()); |
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283 } |
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284 |
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285 // Save current event |
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286 TDeviceEventInformation dei = iEventInfo; |
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287 |
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288 // Re-issue request first |
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289 iOtgHostStateWatcher.iUsbMan.HostEventNotification(iStatus, iEventInfo); |
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290 SetActive(); |
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291 |
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292 iOtgHostStateWatcher.iObserver.HostEventNotify(dei); |
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293 } |
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294 |
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295 // ---------------------------------------------------------------------------- |
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296 // Standard active object error function. |
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297 // ---------------------------------------------------------------------------- |
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298 TInt CUSBOtgHostStateWatcher::CUSBHostEventNotifWatcher::RunError(TInt aError) |
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299 { |
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300 FTRACE(FPrint(_L("[CUSBClassChangeUIPlugin]\t CUSBHostEventNotifWatcher::RunL"), aError)); |
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301 |
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302 // Currently no leaving functions called in RunL, thus nothing should cause |
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303 // this to be called -> return. |
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304 return KErrNone; |
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305 } |
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306 |
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307 // ---------------------------------------------------------------------------- |
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308 // Standard active object cancellation function. |
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309 // ---------------------------------------------------------------------------- |
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310 void CUSBOtgHostStateWatcher::CUSBHostEventNotifWatcher::DoCancel() |
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311 { |
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312 FLOG(_L("[CUSBClassChangeUIPlugin]\t CUSBHostEventNotifWatcher::DoCancel")); |
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313 |
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314 iOtgHostStateWatcher.iUsbMan.HostEventNotificationCancel(); |
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315 } |
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316 |
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317 // ---------------------------------------------------------------------------- |
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318 // C++ constructor |
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319 // ---------------------------------------------------------------------------- |
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320 CUSBOtgHostStateWatcher::CUSBHostEventNotifWatcher::CUSBHostEventNotifWatcher( |
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321 CUSBOtgHostStateWatcher& aOtgHostStateWatcher) |
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322 : CActive(EPriorityStandard), iOtgHostStateWatcher(aOtgHostStateWatcher) |
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323 { |
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324 CActiveScheduler::Add(this); |
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325 } |
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326 |
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327 // -------------------------------------------------------------------------- |
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328 // Symbian 2nd phase constructor. |
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329 // -------------------------------------------------------------------------- |
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330 void CUSBOtgHostStateWatcher::CUSBHostEventNotifWatcher::ConstructL() |
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331 { |
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332 iOtgHostStateWatcher.iUsbMan.HostEventNotification(iStatus, iEventInfo); |
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333 SetActive(); |
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334 } |
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