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1 /* |
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2 * Copyright (c) 2008 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: Implementation |
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15 * |
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16 */ |
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17 |
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18 #include <usbman.h> |
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19 #include <d32usbdi_errors.h> |
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20 #include <d32otgdi_errors.h> |
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21 |
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22 #include "cusbmessagenotificationobserver.h" |
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23 |
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24 #include "definitions.h" |
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25 #include "debug.h" |
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26 #include "panic.h" |
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27 |
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28 // --------------------------------------------------------------------------- |
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29 // |
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30 // --------------------------------------------------------------------------- |
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31 // |
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32 CUsbMessageNotificationObserver::CUsbMessageNotificationObserver(RUsb* aUsb) : |
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33 CActive(EPriorityStandard), iUsb(aUsb) |
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34 { |
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35 CActiveScheduler::Add(this); |
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36 } |
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37 |
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38 // --------------------------------------------------------------------------- |
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39 // |
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40 // --------------------------------------------------------------------------- |
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41 // |
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42 void CUsbMessageNotificationObserver::ConstructL() |
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43 { |
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44 LOG_FUNC |
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45 |
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46 } |
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47 |
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48 // --------------------------------------------------------------------------- |
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49 // |
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50 // --------------------------------------------------------------------------- |
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51 // |
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52 CUsbMessageNotificationObserver* CUsbMessageNotificationObserver::NewL( |
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53 RUsb* aUsb) |
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54 { |
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55 LOG_FUNC |
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56 |
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57 CUsbMessageNotificationObserver* self = |
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58 new (ELeave) CUsbMessageNotificationObserver(aUsb); |
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59 CleanupStack::PushL(self); |
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60 self->ConstructL(); |
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61 CleanupStack::Pop(self); |
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62 return self; |
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63 } |
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64 |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 // --------------------------------------------------------------------------- |
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68 // |
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69 CUsbMessageNotificationObserver::~CUsbMessageNotificationObserver() |
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70 { |
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71 LOG_FUNC |
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72 |
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73 Cancel(); |
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74 |
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75 iObservers.Close(); |
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76 |
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77 } |
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78 |
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79 // --------------------------------------------------------------------------- |
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80 // |
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81 // --------------------------------------------------------------------------- |
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82 // |
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83 void CUsbMessageNotificationObserver::SubscribeL( |
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84 MUsbMessageNotificationObserver& aObserver) |
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85 { |
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86 LOG_FUNC |
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87 |
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88 // check if the same observer already exist in a list |
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89 if (KErrNotFound != iObservers.Find(&aObserver)) |
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90 { |
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91 LOG("Observer already exists"); |
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92 PANIC( EObserverAlreadyExists); |
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93 return; |
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94 } |
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95 iObservers.AppendL(&aObserver); |
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96 |
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97 if (KFirst == iObservers.Count()) // first item |
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98 { |
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99 iUsb->MessageNotification(iStatus, iMessage); |
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100 SetActive(); |
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101 } |
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102 } |
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103 |
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104 // --------------------------------------------------------------------------- |
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105 // |
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106 // --------------------------------------------------------------------------- |
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107 // |
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108 void CUsbMessageNotificationObserver::UnsubscribeL( |
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109 MUsbMessageNotificationObserver& aObserver) |
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110 { |
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111 LOG_FUNC |
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112 |
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113 TInt i(iObservers.Find(&aObserver)); |
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114 if (KErrNotFound == i) |
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115 { |
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116 LOG("Observer not found" ) |
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117 PANIC( ECanNotFindMessageNotificationObserver); |
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118 return; |
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119 } |
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120 |
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121 iObservers.Remove(i); |
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122 |
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123 if (0 == iObservers.Count()) // no items |
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124 { |
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125 // cancel pending request |
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126 Cancel(); |
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127 } |
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128 } |
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129 |
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130 // --------------------------------------------------------------------------- |
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131 // |
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132 // --------------------------------------------------------------------------- |
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133 // |
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134 void CUsbMessageNotificationObserver::RunL() |
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135 { |
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136 // Log the event |
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137 LOG1( "Message notification observer iMessage = %d" , iMessage); |
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138 |
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139 // if error occured, tell to Observers |
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140 if (KErrNone != iStatus.Int()) |
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141 { |
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142 for (TInt i(0); i < iObservers.Count(); ++i) |
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143 { |
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144 iObservers[i]->MessageNotificationErrorL(iStatus.Int()); |
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145 } |
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146 return; |
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147 } |
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148 |
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149 TInt message(iMessage); |
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150 |
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151 // re-issue request first |
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152 iUsb->MessageNotification(iStatus, iMessage); |
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153 SetActive(); |
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154 |
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155 // then process property change |
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156 switch (message) |
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157 { |
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158 case KErrUsbBadHubPosition: |
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159 { |
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160 LOG("HubBadPosition" ); |
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161 |
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162 for (TInt i(0); i < iObservers.Count(); ++i) |
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163 { |
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164 iObservers[i]->BadHubPositionL(); |
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165 } |
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166 break; |
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167 } |
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168 case KErrUsbOtgVbusError: |
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169 { |
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170 LOG( "VBusError"); |
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171 |
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172 for (TInt i(0); i < iObservers.Count(); ++i) |
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173 { |
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174 iObservers[i]->VBusErrorL(); |
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175 } |
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176 break; |
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177 } |
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178 case KUsbMessageSrpReceived: |
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179 { |
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180 LOG("SRP received" ); |
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181 |
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182 for (TInt i(0); i < iObservers.Count(); ++i) |
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183 { |
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184 iObservers[i]->SrpReceivedL(); |
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185 } |
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186 break; |
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187 } |
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188 case KUsbMessageRequestSession: |
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189 { |
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190 LOG("Session requested" ); |
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191 |
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192 for (TInt i(0); i < iObservers.Count(); ++i) |
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193 { |
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194 iObservers[i]->SessionRequestedL(); |
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195 } |
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196 break; |
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197 } |
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198 // notify states with other messages |
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199 default: |
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200 { |
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201 |
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202 for (TInt i(0); i < iObservers.Count(); ++i) |
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203 { |
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204 iObservers[i]->MessageNotificationReceivedL(message); |
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205 } |
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206 break; |
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207 } |
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208 |
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209 } |
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210 |
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211 } |
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212 |
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213 // --------------------------------------------------------------------------- |
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214 // |
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215 // --------------------------------------------------------------------------- |
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216 // |
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217 void CUsbMessageNotificationObserver::DoCancel() |
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218 { |
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219 iUsb->MessageNotificationCancel(); |
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220 } |
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221 |
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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 TInt CUsbMessageNotificationObserver::RunError(TInt aError) |
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227 { |
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228 LOG_FUNC |
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229 |
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230 LOG1( "aError = %d" , aError); |
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231 |
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232 // try to recover and continue |
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233 return KErrNone; |
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234 |
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235 } |
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236 |