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1 /* |
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2 * Copyright (c) 2007-2009 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: Subscribe to global system state events |
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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 <startupdomainpskeys.h> //for global system state |
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20 #include "cusbglobalsystemstateobserver.h" |
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21 #include "cusbwatcher.h" |
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22 |
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23 // ---------------------------------------------------------------------------- |
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24 // Two-phase constructor |
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25 // ---------------------------------------------------------------------------- |
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26 // |
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27 CUsbGlobalSystemStateObserver* CUsbGlobalSystemStateObserver::NewL( |
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28 CUsbWatcher& aUsbWatcher ) |
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29 { |
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30 LOG_FUNC |
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31 |
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32 CUsbGlobalSystemStateObserver* me = CUsbGlobalSystemStateObserver::NewLC( |
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33 aUsbWatcher ); |
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34 CleanupStack::Pop(); |
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35 return me; |
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36 } |
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37 |
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38 // ---------------------------------------------------------------------------- |
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39 // Two-phase constructor, instance put in cleanupstack |
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40 // ---------------------------------------------------------------------------- |
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41 // |
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42 CUsbGlobalSystemStateObserver* CUsbGlobalSystemStateObserver::NewLC( |
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43 CUsbWatcher& aUsbWatcher ) |
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44 { |
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45 LOG_FUNC |
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46 |
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47 CUsbGlobalSystemStateObserver* me = new ( ELeave ) |
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48 CUsbGlobalSystemStateObserver( aUsbWatcher ); |
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49 CleanupStack::PushL( me ); |
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50 me->ConstructL(); |
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51 return me; |
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52 } |
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53 |
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54 // ---------------------------------------------------------------------------- |
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55 // 2nd Phase Construction |
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56 // ---------------------------------------------------------------------------- |
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57 // |
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58 void CUsbGlobalSystemStateObserver::ConstructL() |
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59 { |
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60 LOG_FUNC |
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61 |
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62 User::LeaveIfError( iProperty.Attach( KPSUidStartup, |
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63 KPSGlobalSystemState ) ); |
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64 } |
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65 |
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66 // ---------------------------------------------------------------------------- |
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67 // C++ Constructor |
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68 // ---------------------------------------------------------------------------- |
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69 // |
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70 CUsbGlobalSystemStateObserver::CUsbGlobalSystemStateObserver( |
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71 CUsbWatcher& aUsbWatcher ) |
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72 : CActive( EPriorityNormal ) |
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73 , iUsbWatcher( aUsbWatcher ) |
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74 { |
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75 LOG_FUNC |
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76 |
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77 CActiveScheduler::Add( this ); |
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78 } |
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79 |
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80 // ---------------------------------------------------------------------------- |
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81 // Destructor |
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82 // ---------------------------------------------------------------------------- |
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83 // |
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84 CUsbGlobalSystemStateObserver::~CUsbGlobalSystemStateObserver() |
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85 { |
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86 LOG_FUNC |
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87 |
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88 Cancel(); |
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89 iProperty.Close(); |
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90 } |
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91 |
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92 // ---------------------------------------------------------------------------- |
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93 // Return global system state |
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94 // ---------------------------------------------------------------------------- |
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95 // |
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96 TInt CUsbGlobalSystemStateObserver::GlobalSystemState() |
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97 { |
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98 LOG_FUNC |
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99 |
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100 TInt state; |
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101 RProperty::Get( KPSUidStartup, KPSGlobalSystemState, state ); |
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102 return state; |
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103 } |
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104 |
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105 // ---------------------------------------------------------------------------- |
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106 // Start observing the state P&S key |
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107 // ---------------------------------------------------------------------------- |
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108 // |
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109 void CUsbGlobalSystemStateObserver::Subscribe() |
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110 { |
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111 LOG_FUNC |
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112 |
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113 if( IsActive() ) |
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114 { |
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115 LOG( "Already observing" ); |
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116 return; // already observing |
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117 } |
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118 |
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119 iProperty.Subscribe( iStatus ); |
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120 SetActive(); |
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121 } |
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122 |
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123 // ---------------------------------------------------------------------------- |
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124 // Stop observing the state P&S key |
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125 // ---------------------------------------------------------------------------- |
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126 // |
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127 void CUsbGlobalSystemStateObserver::DoCancel() |
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128 { |
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129 LOG_FUNC |
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130 |
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131 iProperty.Cancel(); |
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132 } |
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133 |
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134 // ---------------------------------------------------------------------------- |
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135 // Called when the state changes |
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136 // ---------------------------------------------------------------------------- |
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137 // |
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138 void CUsbGlobalSystemStateObserver::RunL() |
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139 { |
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140 LOG_FUNC |
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141 LOG1( "iStatus = %d", iStatus.Int() ); |
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142 |
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143 Subscribe(); |
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144 TInt systemState = 0; |
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145 User::LeaveIfError( iProperty.Get( systemState ) ); |
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146 LOG1( "SystemState= %d", systemState ); |
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147 |
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148 if ( ( systemState == ESwStateChargingToNormal ) |
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149 || ( systemState == ESwStateAlarmToNormal ) ) |
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150 { |
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151 iUsbWatcher.StopPersonality(); |
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152 } |
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153 else if ( systemState == ESwStateCharging ) |
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154 { |
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155 //USBWatcher started before charging state |
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156 iUsbWatcher.StartPersonality(); |
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157 } |
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158 else if ( |
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159 (systemState == ESwStateNormalRfOn) || |
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160 (systemState == ESwStateNormalRfOff) || |
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161 (systemState == ESwStateNormalBTSap) ) |
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162 { |
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163 //after ESwStateChargingToNormal |
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164 Cancel(); |
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165 iUsbWatcher.StartPersonality(); |
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166 } |
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167 } |
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168 |
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169 // ---------------------------------------------------------------------------- |
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170 // Handle RunL leaving |
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171 // ---------------------------------------------------------------------------- |
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172 // |
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173 TInt CUsbGlobalSystemStateObserver::RunError( TInt aError ) |
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174 { |
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175 LOG_FUNC |
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176 |
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177 LOG1( "aError = %d", aError ); |
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178 return ( KErrNone ); |
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179 } |
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180 |
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181 // End of file |