1 /* |
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2 * Copyright (c) 2006-2009 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: USB Watcher session class implementation. |
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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 "cusbwatchersession.h" |
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20 #include "usbwatchershared.h" |
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21 #include "cusbwatcher.h" |
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22 #include "cusbwatcherserver.h" |
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23 #include "debug.h" |
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24 |
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25 // ---------------------------------------------------------------------------- |
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26 // Symbian two-phase constructor |
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27 // ---------------------------------------------------------------------------- |
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28 // |
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29 CUsbWatcherSession* CUsbWatcherSession::NewL( CUsbWatcherServer* aServer ) |
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30 { |
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31 LOG_FUNC |
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32 |
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33 CUsbWatcherSession* r = new ( ELeave ) CUsbWatcherSession( aServer ); |
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34 CleanupStack::PushL( r ); |
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35 r->ConstructL(); |
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36 CleanupStack::Pop(); |
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37 return r; |
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38 } |
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39 |
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40 // ---------------------------------------------------------------------------- |
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41 // C++ constructor |
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42 // ---------------------------------------------------------------------------- |
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43 // |
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44 CUsbWatcherSession::CUsbWatcherSession( CUsbWatcherServer* aServer ) |
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45 : iUsbWatcherServer( aServer ) |
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46 { |
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47 LOG_FUNC |
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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 // Second-phase constructor |
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53 // ---------------------------------------------------------------------------- |
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54 // |
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55 void CUsbWatcherSession::ConstructL() |
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56 { |
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57 LOG_FUNC |
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58 |
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59 iUsbWatcherServer->Watcher().RegisterObserverL( this ); |
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60 } |
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61 |
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62 // ---------------------------------------------------------------------------- |
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63 // Desstructor |
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64 // ---------------------------------------------------------------------------- |
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65 // |
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66 CUsbWatcherSession::~CUsbWatcherSession() |
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67 { |
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68 LOG_FUNC |
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69 |
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70 // if server isn't exist then session can not be exist |
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71 if ( iUsbWatcherServer ) |
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72 { |
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73 iUsbWatcherServer->Watcher().DeRegisterObserver( this ); |
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74 } |
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75 } |
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76 |
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77 // ---------------------------------------------------------------------------- |
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78 // Request handle entry point |
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79 // ---------------------------------------------------------------------------- |
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80 // |
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81 void CUsbWatcherSession::ServiceL( const RMessage2& aMessage ) |
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82 { |
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83 LOG_FUNC |
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84 |
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85 DispatchMessageL( aMessage ); |
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86 } |
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87 |
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88 // ---------------------------------------------------------------------------- |
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89 // Request dispatch function |
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90 // ---------------------------------------------------------------------------- |
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91 // |
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92 void CUsbWatcherSession::DispatchMessageL( const RMessage2& aMessage ) |
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93 { |
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94 LOG_FUNC |
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95 |
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96 LOG1( "Message = %d", aMessage.Function() ); |
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97 |
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98 TBool complete( ETrue ); |
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99 TInt ret( KErrNone ); |
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100 |
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101 |
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102 switch ( aMessage.Function() ) |
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103 { |
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104 case EUsbWatcherSetPersonality: |
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105 ret = SetPersonality( aMessage, complete ); |
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106 break; |
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107 |
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108 case EUsbWatcherCancelSetPersonality: |
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109 ret = CancelSetPersonality( aMessage, complete ); |
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110 break; |
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111 |
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112 case EUsbWatcherSetPreviousPersonality: |
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113 ret = SetPreviousPersonality( aMessage, complete ); |
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114 break; |
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115 |
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116 case EUsbWatcherSetPreviousPersonalitySync: |
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117 ret = SetPreviousPersonalitySync( aMessage, complete ); |
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118 break; |
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119 |
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120 case EUsbWatcherCancelSetPreviousPersonality: |
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121 ret = CancelSetPreviousPersonality( aMessage, complete ); |
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122 break; |
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123 |
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124 case EUsbWatcherSetPreviousPersonalityOnDisconnect: |
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125 ret = SetPreviousPersonalityOnDisconnect( aMessage, complete ); |
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126 break; |
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127 |
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128 default: |
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129 aMessage.Panic( KUsbWatcherCliPncCat, EUsbWatcherPanicIllegalIPC ); |
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130 break; |
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131 } |
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132 |
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133 if ( complete ) |
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134 { |
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135 aMessage.Complete( ret ); |
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136 } |
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137 } |
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138 |
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139 // ---------------------------------------------------------------------------- |
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140 // Set certain personality |
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141 // ---------------------------------------------------------------------------- |
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142 // |
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143 TInt CUsbWatcherSession::SetPersonality( const RMessage2& aMessage, |
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144 TBool& aComplete ) |
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145 { |
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146 LOG_FUNC |
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147 |
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148 if( iSetPersonalityOutstanding ) |
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149 { |
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150 LOG( "Completing outstanding" ); |
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151 iSetPersonalityMessage.Complete( KErrNone ); |
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152 iSetPersonalityOutstanding = EFalse; |
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153 } |
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154 |
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155 // Cancel all other pending requests |
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156 iUsbWatcherServer->Watcher().Notify( KErrCancel ); |
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157 |
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158 iSetPersonalityMessage = aMessage; |
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159 aComplete = EFalse; |
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160 iSetPersonalityOutstanding = ETrue; |
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161 |
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162 //Set force parameter to this session. |
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163 SetAskOnConnectionSuppression( aMessage.Int1() ); |
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164 |
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165 iUsbWatcherServer->Watcher().SetPersonality( aMessage.Int0(), |
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166 static_cast<TBool>( aMessage.Int2() ) ); |
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167 |
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168 return KErrNone; |
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169 } |
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170 |
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171 // ---------------------------------------------------------------------------- |
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172 // Cancel pending set personality request |
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173 // ---------------------------------------------------------------------------- |
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174 // |
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175 TInt CUsbWatcherSession::CancelSetPersonality( const RMessage2& aMessage, |
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176 TBool& aComplete ) |
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177 { |
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178 LOG_FUNC |
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179 |
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180 if ( !iSetPersonalityOutstanding ) |
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181 { |
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182 LOG( "No outstanding SetPersonality request" ); |
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183 return KErrNone; |
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184 } |
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185 |
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186 SetAskOnConnectionSuppression( EFalse ); |
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187 aComplete = EFalse; |
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188 iCancelSetPersonalityMessage = aMessage; |
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189 iCancelSetPersonalityOutstanding = ETrue; |
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190 |
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191 iUsbWatcherServer->Watcher().CancelSetPersonality(); |
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192 |
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193 return KErrNone; |
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194 } |
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195 |
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196 // ---------------------------------------------------------------------------- |
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197 // Change to previous personality, asynchronous version |
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198 // ---------------------------------------------------------------------------- |
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199 // |
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200 TInt CUsbWatcherSession::SetPreviousPersonality( const RMessage2& aMessage, |
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201 TBool& aComplete ) |
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202 { |
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203 LOG_FUNC |
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204 |
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205 if( iSetPreviousPersonalityOutstanding ) |
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206 { |
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207 iSetPreviousPersonalityMessage.Complete( KErrNone ); |
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208 iSetPreviousPersonalityOutstanding = EFalse; |
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209 } |
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210 |
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211 // Cancel all other pending requests |
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212 iUsbWatcherServer->Watcher().Notify( KErrCancel ); |
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213 |
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214 SetAskOnConnectionSuppression( EFalse ); |
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215 iSetPreviousPersonalityOutstanding = ETrue; |
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216 iSetPreviousPersonalityMessage = aMessage; |
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217 aComplete = EFalse; |
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218 |
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219 iUsbWatcherServer->Watcher().SetPreviousPersonality(); |
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220 |
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221 return KErrNone; |
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222 } |
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223 |
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224 // ---------------------------------------------------------------------------- |
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225 // Change to previous personality, synchronous version |
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226 // ---------------------------------------------------------------------------- |
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227 // |
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228 TInt CUsbWatcherSession::SetPreviousPersonalitySync( const RMessage2& /*aMsg*/, |
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229 TBool& /*aComplete*/ ) |
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230 { |
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231 LOG_FUNC |
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232 |
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233 if( iSetPreviousPersonalityOutstanding ) |
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234 { |
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235 iSetPreviousPersonalityMessage.Complete( KErrNone ); |
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236 iSetPreviousPersonalityOutstanding = EFalse; |
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237 } |
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238 |
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239 // Cancel all other pending requests |
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240 iUsbWatcherServer->Watcher().Notify( KErrCancel ); |
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241 |
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242 SetAskOnConnectionSuppression( EFalse ); |
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243 iUsbWatcherServer->Watcher().SetPreviousPersonality(); |
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244 |
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245 return KErrNone; |
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246 } |
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247 |
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248 // ---------------------------------------------------------------------------- |
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249 // Cancel pending request to set previous personality |
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250 // ---------------------------------------------------------------------------- |
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251 // |
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252 TInt CUsbWatcherSession::CancelSetPreviousPersonality( const RMessage2& aMsg, |
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253 TBool& aComplete ) |
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254 { |
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255 LOG_FUNC |
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256 |
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257 if( !iSetPreviousPersonalityOutstanding ) |
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258 { |
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259 return KErrNone; |
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260 } |
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261 |
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262 aComplete = EFalse; |
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263 iCancelSetPreviousPersonalityMessage = aMsg; |
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264 iCancelSetPreviousPersonalityOutstanding = ETrue; |
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265 |
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266 iUsbWatcherServer->Watcher().CancelSetPreviousPersonality(); |
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267 |
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268 return KErrNone; |
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269 } |
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270 |
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271 // ---------------------------------------------------------------------------- |
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272 // Set the flag to restore personality when disconnected |
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273 // ---------------------------------------------------------------------------- |
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274 // |
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275 TInt CUsbWatcherSession::SetPreviousPersonalityOnDisconnect( const RMessage2& |
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276 /*aMessage*/, TBool& /*aComplete*/ ) |
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277 { |
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278 LOG_FUNC |
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279 |
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280 //connected currently, so ask on connection can be enabled |
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281 SetAskOnConnectionSuppression( EFalse ); |
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282 iUsbWatcherServer->Watcher().SetPreviousPersonalityOnDisconnect(); |
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283 |
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284 return KErrNone; |
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285 } |
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286 |
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287 // ---------------------------------------------------------------------------- |
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288 // Complete request |
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289 // ---------------------------------------------------------------------------- |
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290 // |
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291 void CUsbWatcherSession::Notify( TInt /*aPersonalityId*/, TInt aStatus ) |
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292 { |
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293 LOG_FUNC |
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294 |
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295 if( iCancelSetPersonalityOutstanding ) |
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296 { |
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297 iCancelSetPersonalityOutstanding = EFalse; |
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298 iCancelSetPersonalityMessage.Complete( KErrNone ); |
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299 |
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300 iSetPersonalityMessage.Complete( aStatus ); |
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301 iSetPersonalityOutstanding = EFalse; |
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302 } |
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303 |
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304 if ( iSetPersonalityOutstanding ) |
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305 { |
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306 iSetPersonalityMessage.Complete( aStatus ); |
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307 iSetPersonalityOutstanding = EFalse; |
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308 } |
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309 |
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310 if ( iCancelSetPreviousPersonalityOutstanding ) |
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311 { |
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312 iCancelSetPreviousPersonalityOutstanding = EFalse; |
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313 iCancelSetPreviousPersonalityMessage.Complete( KErrNone ); |
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314 |
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315 iSetPreviousPersonalityMessage.Complete( aStatus ); |
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316 iSetPreviousPersonalityOutstanding = EFalse; |
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317 } |
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318 |
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319 if ( iSetPreviousPersonalityOutstanding ) |
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320 { |
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321 iSetPreviousPersonalityMessage.Complete( aStatus ); |
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322 iSetPreviousPersonalityOutstanding = EFalse; |
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323 } |
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324 } |
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325 |
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326 // ---------------------------------------------------------------------------- |
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327 // Set or clear AskOnConnection suppression |
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328 // ---------------------------------------------------------------------------- |
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329 // |
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330 void CUsbWatcherSession::SetAskOnConnectionSuppression( TBool aSuppress ) |
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331 { |
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332 LOG_FUNC |
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333 |
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334 iSuppressAskOnConnection = aSuppress; |
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335 } |
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336 |
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337 // ---------------------------------------------------------------------------- |
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338 // Check if AskOnConnection is suppressed |
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339 // ---------------------------------------------------------------------------- |
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340 // |
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341 TBool CUsbWatcherSession::IsAskOnConnectionSuppressed() |
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342 { |
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343 LOG_FUNC |
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344 |
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345 return iSuppressAskOnConnection; |
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346 } |
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347 |
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348 // End of file |
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