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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: Implements device lock feature in case of USB |
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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 <featmgr.h> |
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20 #include <bldvariant.hrh> |
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21 |
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22 #include <e32base.h> |
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23 #include <e32property.h> |
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24 #include <coreapplicationuisdomainpskeys.h> |
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25 #include <e32property.h> |
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26 |
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27 #include "debug.h" |
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28 #include "cusbdevicelock.h" |
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29 #include "cusbwatcher.h" |
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30 |
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31 // ======== MEMBER FUNCTIONS ======== |
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32 |
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33 // ---------------------------------------------------------------------------- |
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34 // C++ constructor |
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35 // ---------------------------------------------------------------------------- |
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36 // |
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37 CUsbDeviceLock::CUsbDeviceLock( CUsbWatcher& aOwner ) |
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38 : CActive( EPriorityNormal ) |
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39 , iOwner( aOwner ) |
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40 { |
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41 LOG_FUNC |
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42 |
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43 CActiveScheduler::Add(this); |
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44 } |
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45 |
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46 // ---------------------------------------------------------------------------- |
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47 // Destructor |
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48 // ---------------------------------------------------------------------------- |
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49 // |
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50 CUsbDeviceLock::~CUsbDeviceLock() |
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51 { |
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52 LOG_FUNC |
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53 |
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54 if( FeatureManager::FeatureSupported( KFeatureIdUsbDeviceLock ) ) |
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55 { |
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56 Cancel(); |
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57 iProperty.Close(); |
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58 } |
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59 |
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60 FeatureManager::UnInitializeLib(); |
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61 } |
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62 |
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63 // ---------------------------------------------------------------------------- |
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64 // Two-phased constructor. |
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65 // ---------------------------------------------------------------------------- |
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66 // |
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67 CUsbDeviceLock* CUsbDeviceLock::NewL( CUsbWatcher& aOwner ) |
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68 { |
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69 LOG_FUNC |
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70 |
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71 CUsbDeviceLock* self = new ( ELeave ) CUsbDeviceLock( aOwner ); |
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72 CleanupStack::PushL( self ); |
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73 self->ConstructL(); |
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74 CleanupStack::Pop(); // pop self |
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75 return self; |
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76 } |
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77 |
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78 // ---------------------------------------------------------------------------- |
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79 // Symbian 2nd phase constructor can leave. |
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80 // ---------------------------------------------------------------------------- |
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81 // |
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82 void CUsbDeviceLock::ConstructL() |
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83 { |
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84 LOG_FUNC |
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85 |
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86 FeatureManager::InitializeLibL(); |
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87 |
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88 if( FeatureManager::FeatureSupported( KFeatureIdUsbDeviceLock ) ) |
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89 { |
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90 LEAVEIFERROR( iProperty.Attach( KPSUidCoreApplicationUIs, |
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91 KCoreAppUIsAutolockStatus ) ); |
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92 } |
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93 } |
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94 |
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95 // ---------------------------------------------------------------------------- |
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96 // Subscribes to P&S property. |
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97 // ---------------------------------------------------------------------------- |
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98 // |
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99 void CUsbDeviceLock::Subscribe() |
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100 { |
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101 LOG_FUNC |
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102 |
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103 if( FeatureManager::FeatureSupported( KFeatureIdUsbDeviceLock ) ) |
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104 { |
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105 if ( !IsActive() ) |
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106 { |
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107 iProperty.Subscribe( iStatus ); |
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108 SetActive(); |
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109 } |
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110 else |
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111 { |
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112 LOG( "ERROR: request exists" ); |
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113 } |
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114 } |
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115 } |
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116 |
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117 // ---------------------------------------------------------------------------- |
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118 // Get device lock state. |
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119 // ---------------------------------------------------------------------------- |
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120 // |
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121 TBool CUsbDeviceLock::Locked() |
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122 { |
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123 LOG_FUNC |
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124 |
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125 TInt command; |
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126 if( FeatureManager::FeatureSupported( KFeatureIdUsbDeviceLock ) ) |
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127 { |
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128 TInt err = iProperty.Get( command ); |
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129 if( KErrNone == err ) |
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130 { |
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131 LOG1( "Autolock status = %d", command ); |
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132 if( EAutolockOff == command ) |
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133 { |
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134 LOG("Device UNLOCKED" ); |
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135 return EFalse; |
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136 } |
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137 else |
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138 { |
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139 LOG( "Device LOCKED" ); |
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140 } |
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141 } |
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142 else |
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143 { |
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144 LOG1( "ERROR: RProperty::Get = %d", err ); |
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145 } |
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146 |
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147 return ETrue; |
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148 } |
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149 |
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150 return EFalse; |
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151 } |
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152 |
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153 // ---------------------------------------------------------------------------- |
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154 // Standard active object error function. |
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155 // ---------------------------------------------------------------------------- |
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156 // |
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157 TInt CUsbDeviceLock::RunError( TInt /*aError*/ ) |
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158 { |
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159 LOG_FUNC |
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160 |
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161 return KErrNone; |
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162 } |
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163 |
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164 // ---------------------------------------------------------------------------- |
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165 // When device lock state changes this method is executed. |
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166 // ---------------------------------------------------------------------------- |
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167 // |
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168 void CUsbDeviceLock::RunL() |
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169 { |
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170 LOG_FUNC |
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171 LOG1( "iStatus: %d", iStatus.Int() ); |
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172 Subscribe(); |
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173 TInt command = EAutolockStatusUninitialized; |
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174 TInt err = iProperty.Get( command ); |
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175 if ( err == KErrNone ) |
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176 { |
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177 LOG1( "Autolock status: %d", command ); |
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178 switch ( command ) |
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179 { |
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180 case EAutolockOff: |
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181 iOwner.Unlock(); |
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182 break; |
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183 case ERemoteLocked: |
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184 iOwner.Lock(); |
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185 break; |
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186 default: |
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187 LOG1( "Unhandled state: %d", command ); |
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188 break; |
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189 } |
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190 } |
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191 else |
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192 { |
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193 LOG1( "RProperty::Get ERROR %d", err ); |
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194 } |
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195 } |
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196 |
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197 // ---------------------------------------------------------------------------- |
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198 // CUsbMediaWatcher::CUsbDeviceLock::DoCancel |
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199 // Basic DoCancel. |
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200 // ---------------------------------------------------------------------------- |
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201 // |
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202 void CUsbDeviceLock::DoCancel() |
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203 { |
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204 LOG_FUNC |
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205 |
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206 if( FeatureManager::FeatureSupported( KFeatureIdUsbDeviceLock ) ) |
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207 { |
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208 iProperty.Cancel(); |
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209 } |
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210 } |
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211 |
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212 // End if file |