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 the License "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: |
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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 <limits.h> |
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21 #include "PowerObserver.h" |
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22 #include "SystemInfoPlugin.h" |
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23 |
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24 // ============================ MEMBER FUNCTIONS =============================== |
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25 |
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26 // ----------------------------------------------------------------------------- |
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27 // CPowerObserver::NewL |
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28 // Two-phased constructor. |
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29 // ----------------------------------------------------------------------------- |
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30 CPowerObserver* CPowerObserver::NewL( CSystemInfoPlugin* aPlugin ) |
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31 { |
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32 CPowerObserver* self = new (ELeave) CPowerObserver( aPlugin ); |
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33 CleanupStack::PushL( self ); |
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34 self->ConstructL(); |
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35 CleanupStack::Pop( self ); |
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36 return self; |
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37 } |
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38 |
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39 // ----------------------------------------------------------------------------- |
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40 // CPowerObserver::CPowerObserver |
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41 // C++ default constructor can NOT contain any code, that |
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42 // might leave. |
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43 // ----------------------------------------------------------------------------- |
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44 CPowerObserver::CPowerObserver( CSystemInfoPlugin* aPlugin ) |
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45 : iSystemInfoPlugin( aPlugin ), |
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46 iBatteryInfoPckg( iBatteryInfo ), |
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47 iIndicatorPckg( iIndicator ) |
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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 // CPowerObserver::ConstructL |
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53 // Symbian 2nd phase constructor can leave. |
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54 // ----------------------------------------------------------------------------- |
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55 void CPowerObserver::ConstructL() |
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56 { |
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57 iBatteryInfoObserver = CSystemInfoObserver::NewL( this, EIdBatteryInfo ); |
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58 iIndicatorObserver = CSystemInfoObserver::NewL( this, EIdIndicator ); |
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59 |
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60 iTelephony = CTelephony::NewL(); |
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61 iTelephony2 = CTelephony::NewL(); |
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62 |
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63 // bootstrap monitoring |
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64 |
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65 // battery |
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66 iBatteryInfo.iChargeLevel = 0; // default indicates unknown |
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67 iBatteryInfoObserver->RequestNotificationL(); |
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68 |
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69 // charger |
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70 iIndicator.iIndicator = 0; |
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71 iIndicatorObserver->RequestNotificationL(); |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // CPowerObserver::~CPowerObserver() |
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76 // Destructor |
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77 // ----------------------------------------------------------------------------- |
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78 CPowerObserver::~CPowerObserver() |
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79 { |
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80 delete iIndicatorObserver; |
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81 delete iBatteryInfoObserver; |
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82 delete iBatteryInfoChangedFunction; |
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83 delete iIndicatorChangedFunction; |
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84 delete iTelephony2; |
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85 delete iTelephony; |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // CPowerObserver::ChargeLevel |
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90 // ----------------------------------------------------------------------------- |
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91 TInt CPowerObserver::ChargeLevel() const |
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92 { |
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93 if ( !iBatteryInfoStarted ) |
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94 { |
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95 // value indicates unknown |
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96 return INT_MIN; |
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97 } |
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98 return STATIC_CAST( TInt, iBatteryInfo.iChargeLevel ); |
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99 } |
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100 |
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101 // ----------------------------------------------------------------------------- |
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102 // CPowerObserver::ChargerConnected |
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103 // ----------------------------------------------------------------------------- |
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104 TInt CPowerObserver::ChargerConnected() const |
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105 { |
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106 if ( !iIndicatorStarted ) |
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107 { |
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108 // value indicates unknown |
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109 return INT_MIN; |
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110 } |
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111 return ( CTelephony::KIndChargerConnected & iIndicator.iIndicator ) ? 1 : 0; |
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112 } |
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113 |
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114 // ----------------------------------------------------------------------------- |
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115 // CPowerObserver::RequestNotificationL |
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116 // ----------------------------------------------------------------------------- |
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117 void CPowerObserver::RequestNotificationL( TIdPowerItem aId, HBufC8* aFunctionName ) |
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118 { |
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119 if ( aId == EIdBatteryInfo ) |
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120 { |
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121 delete iBatteryInfoChangedFunction; |
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122 iBatteryInfoChangedFunction = aFunctionName; |
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123 // already monitoring, don't request notification again |
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124 } |
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125 else if ( aId == EIdIndicator ) |
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126 { |
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127 delete iIndicatorChangedFunction; |
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128 iIndicatorChangedFunction = aFunctionName; |
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129 // already monitoring, don't request notification again |
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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 // CPowerObserver::SubscribeL |
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135 // ----------------------------------------------------------------------------- |
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136 void CPowerObserver::SubscribeL( TInt aId, TRequestStatus& aStatus ) |
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137 { |
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138 if ( aId == EIdBatteryInfo ) |
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139 { |
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140 if ( iBatteryInfoStarted ) |
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141 { |
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142 iTelephony->NotifyChange( aStatus, |
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143 CTelephony::EBatteryInfoChange, |
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144 iBatteryInfoPckg ); |
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145 } |
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146 else |
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147 { |
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148 iTelephony->GetBatteryInfo( aStatus, iBatteryInfoPckg ); |
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149 } |
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150 } |
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151 else if ( aId == EIdIndicator ) |
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152 { |
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153 if ( iIndicatorStarted ) |
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154 { |
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155 iTelephony->NotifyChange( aStatus, |
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156 CTelephony::EIndicatorChange, |
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157 iIndicatorPckg ); |
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158 } |
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159 else |
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160 { |
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161 iTelephony->GetIndicator( aStatus, iIndicatorPckg ); |
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162 } |
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163 } |
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164 } |
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165 |
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166 // ----------------------------------------------------------------------------- |
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167 // CPowerObserver::UpdateL |
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168 // ----------------------------------------------------------------------------- |
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169 void CPowerObserver::UpdateL( TInt aId ) |
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170 { |
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171 if ( aId == EIdBatteryInfo ) |
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172 { |
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173 iBatteryInfoStarted = 1; |
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174 if ( iBatteryInfoChangedFunction ) |
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175 { |
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176 iSystemInfoPlugin->InvokeCallback( *iBatteryInfoChangedFunction, NULL, 0 ); |
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177 } |
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178 } |
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179 else if ( aId == EIdIndicator ) |
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180 { |
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181 iIndicatorStarted = 1; |
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182 if ( iIndicatorChangedFunction ) |
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183 { |
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184 iSystemInfoPlugin->InvokeCallback( *iIndicatorChangedFunction, NULL, 0 ); |
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185 } |
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186 } |
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187 } |
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188 |
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189 // ----------------------------------------------------------------------------- |
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190 // CPowerObserver::Cancel |
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191 // ----------------------------------------------------------------------------- |
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192 void CPowerObserver::Cancel( TInt aId ) |
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193 { |
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194 if ( aId == EIdBatteryInfo ) |
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195 { |
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196 (void) iTelephony->CancelAsync( ( iBatteryInfoStarted ? |
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197 CTelephony::EBatteryInfoChangeCancel |
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198 : CTelephony::EGetBatteryInfoCancel ) ); |
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199 } |
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200 else if ( aId == EIdIndicator ) |
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201 { |
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202 (void) iTelephony->CancelAsync( ( iIndicatorStarted ? |
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203 CTelephony::EIndicatorChangeCancel |
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204 : CTelephony::EGetIndicatorCancel ) ); |
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205 } |
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206 } |
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207 |
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208 // ----------------------------------------------------------------------------- |
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209 // CPowerObserver::Close |
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210 // ----------------------------------------------------------------------------- |
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211 void CPowerObserver::Close( TInt /*aId*/ ) |
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212 { |
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213 } |
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214 |
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215 // End of File |
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