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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 "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: SysAp power save mode controller 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 <e32debug.h> |
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20 #include <psmclient.h> |
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21 #include <psmsettings.h> |
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22 #include <centralrepository.h> |
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23 #include <settingsinternalcrkeys.h> |
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24 #include "sysappsmcontroller.h" |
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25 #include "SysAp.hrh" |
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26 |
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27 // ======== MEMBER FUNCTIONS ======== |
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28 |
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29 // --------------------------------------------------------------------------- |
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30 // CSysApPsmController::CSysApPsmController |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 CSysApPsmController::CSysApPsmController( MSysApPsmControllerNotifyCallback& aCallback ) : |
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34 iCallback( aCallback ), |
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35 iPsmClient( NULL ), |
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36 iActivePsm( EPsmsrvModeNormal ), |
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37 iForcedPartialPsm( EFalse ), |
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38 iUiItemId( 0 ), |
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39 iNextUiOperation( EFalse ), |
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40 iDiscardUiNotes( EFalse ), |
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41 iBatteryLowCounter( 0 ), |
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42 iChargerConnected( EFalse ) |
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43 |
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44 { |
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45 } |
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46 |
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47 // --------------------------------------------------------------------------- |
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48 // CSysApPsmController::ConstructL |
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49 // --------------------------------------------------------------------------- |
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50 // |
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51 void CSysApPsmController::ConstructL() |
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52 { |
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53 TRACES( RDebug::Print( _L("CSysApPsmController::ConstructL") ) ); |
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54 |
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55 iPsmClient = CPsmClient::NewL( *this ); |
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56 |
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57 // request explicitly to be notified if some other client changes power save mode |
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58 iPsmClient->RequestPowerSaveModeNotification(); |
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59 |
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60 TInt err = iPsmClient->PsmSettings().GetCurrentMode( iActivePsm ); |
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61 |
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62 if ( err != KErrNone ) |
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63 { |
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64 iActivePsm = EPsmsrvModeNormal; |
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65 } |
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66 |
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67 if ( iActivePsm == EPsmsrvPartialMode ) |
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68 { |
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69 iForcedPartialPsm = ETrue; |
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70 } |
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71 |
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72 |
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73 TRACES( RDebug::Print( _L("CSysApPsmController::ConstructL: err=%d, iActivePsm=%d"), err, iActivePsm ) ); |
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74 } |
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75 |
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76 // --------------------------------------------------------------------------- |
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77 // CSysApPsmController::NewL |
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78 // --------------------------------------------------------------------------- |
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79 // |
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80 CSysApPsmController* CSysApPsmController::NewL( MSysApPsmControllerNotifyCallback& aCallback ) |
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81 { |
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82 CSysApPsmController* self = new( ELeave ) CSysApPsmController( aCallback ); |
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83 CleanupStack::PushL( self ); |
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84 self->ConstructL(); |
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85 CleanupStack::Pop( self ); |
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86 return self; |
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87 } |
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88 |
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89 // --------------------------------------------------------------------------- |
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90 // CSysApPsmController::~CSysApPsmController |
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91 // --------------------------------------------------------------------------- |
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92 // |
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93 CSysApPsmController::~CSysApPsmController() |
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94 { |
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95 TRACES( RDebug::Print( _L("CSysApPsmController::~CSysApPsmController") ) ); |
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96 delete iPsmClient; |
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97 } |
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98 |
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99 // --------------------------------------------------------------------------- |
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100 // CSysApPsmController::SetPowerSaveMode |
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101 // --------------------------------------------------------------------------- |
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102 // |
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103 void CSysApPsmController::SetPowerSaveMode( TInt aNewMode ) |
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104 { |
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105 TRACES( RDebug::Print( _L("CSysApPsmController::SetPowerSaveMode: aNewMode=%d"), aNewMode ) ); |
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106 |
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107 iPsmClient->CancelPowerSaveModeNotificationRequest(); |
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108 iPsmClient->ChangePowerSaveMode( aNewMode ); |
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109 } |
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110 |
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111 // --------------------------------------------------------------------------- |
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112 // CSysApPsmController::FullPsmEnabled |
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113 // --------------------------------------------------------------------------- |
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114 // |
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115 TBool CSysApPsmController::FullPsmEnabled() const |
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116 { |
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117 return iActivePsm == EPsmsrvModePowerSave; |
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118 } |
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119 |
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120 // --------------------------------------------------------------------------- |
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121 // CSysApPsmController::PartialPsmEnabled |
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122 // --------------------------------------------------------------------------- |
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123 // |
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124 TBool CSysApPsmController::PartialPsmEnabled() const |
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125 { |
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126 return iActivePsm == EPsmsrvPartialMode; |
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127 } |
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128 |
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129 // --------------------------------------------------------------------------- |
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130 // CSysApPsmController::UiItemId |
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131 // --------------------------------------------------------------------------- |
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132 // |
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133 TInt CSysApPsmController::UiItemId() const |
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134 { |
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135 return iUiItemId; |
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136 } |
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137 |
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138 // --------------------------------------------------------------------------- |
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139 // CSysApPsmController::SetUiItemId |
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140 // --------------------------------------------------------------------------- |
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141 // |
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142 void CSysApPsmController::SetUiItemId( TInt aUiItemId ) |
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143 { |
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144 iUiItemId = aUiItemId; |
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145 } |
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146 |
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147 // --------------------------------------------------------------------------- |
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148 // CSysApPsmController::DoEnablePartialPsm |
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149 // --------------------------------------------------------------------------- |
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150 // |
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151 void CSysApPsmController::DoEnablePartialPsm( TBool aEnable ) |
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152 { |
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153 TRACES( RDebug::Print( _L("CSysApPsmController::DoEnablePartialPsm: aEnable=%d"), aEnable ) ); |
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154 |
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155 // full PSM is only controlled by the user so toggling partial PSM is only possible between itself and normal mode |
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156 if ( aEnable ) |
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157 { |
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158 // activate only from normal mode |
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159 if( iActivePsm == EPsmsrvModeNormal ) |
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160 { |
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161 SetPowerSaveMode( EPsmsrvPartialMode ); |
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162 iDiscardUiNotes = ETrue; // partial mode errors not reflected to UI |
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163 } |
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164 } |
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165 else |
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166 { |
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167 // deactivate only from partial mode |
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168 if ( iActivePsm == EPsmsrvPartialMode ) |
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169 { |
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170 SetPowerSaveMode( EPsmsrvModeNormal ); |
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171 iDiscardUiNotes = ETrue; // partial mode errors not reflected to UI |
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172 } |
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173 } |
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174 } |
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175 |
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176 |
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177 // --------------------------------------------------------------------------- |
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178 // CSysApPsmController::BatteryLow |
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179 // --------------------------------------------------------------------------- |
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180 // |
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181 void CSysApPsmController::BatteryLow( TBool aBatteryIsLow ) |
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182 { |
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183 TRACES( RDebug::Print( _L("CSysApPsmController::BatteryLow: aBatteryIsLow=%d"), aBatteryIsLow ) ); |
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184 |
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185 if ( aBatteryIsLow ) |
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186 { |
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187 iForcedPartialPsm = ETrue; // when battery is low, at least partial PSM must be active |
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188 } |
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189 else |
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190 { |
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191 iForcedPartialPsm = EFalse; // releasing partial PSM when battery is not low |
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192 |
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193 iBatteryLowCounter = 0; // show activation query on next battery low event |
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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 // CSysApPsmController::ConnectCharger |
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199 // --------------------------------------------------------------------------- |
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200 // |
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201 void CSysApPsmController::ConnectCharger( TBool aConnect ) |
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202 { |
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203 TRACES( RDebug::Print( _L("CSysApPsmController::ConnectCharger: aConnect=%d"), aConnect ) ); |
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204 |
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205 BatteryLow( EFalse ); |
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206 |
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207 iChargerConnected = aConnect; |
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208 } |
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209 |
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210 // --------------------------------------------------------------------------- |
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211 // CSysApPsmController::ChargerConnected |
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212 // --------------------------------------------------------------------------- |
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213 // |
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214 TBool CSysApPsmController::ChargerConnected() const |
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215 { |
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216 return iChargerConnected; |
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217 } |
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218 |
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219 // --------------------------------------------------------------------------- |
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220 // CSysApPsmController::DoEnableFullPsm |
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221 // --------------------------------------------------------------------------- |
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222 // |
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223 void CSysApPsmController::DoEnableFullPsm( TBool aEnable ) |
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224 { |
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225 TRACES( RDebug::Print( _L("CSysApPsmController::DoEnableFullPsm: aEnable=%d, iActivePsm=%d, iForcedPartialPsm=%d"), |
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226 aEnable, iActivePsm, iForcedPartialPsm ) ); |
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227 |
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228 if ( aEnable && iActivePsm != EPsmsrvModePowerSave ) |
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229 { |
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230 SetPowerSaveMode( EPsmsrvModePowerSave ); |
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231 } |
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232 else if ( !aEnable && iActivePsm != EPsmsrvModeNormal ) |
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233 { |
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234 SetPowerSaveMode( EPsmsrvModeNormal ); |
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235 } |
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236 } |
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237 |
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238 // --------------------------------------------------------------------------- |
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239 // CCSysApPsmController::SetNextUiOperation |
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240 // --------------------------------------------------------------------------- |
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241 // |
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242 void CSysApPsmController::SetNextUiOperation( TBool aIsActivate ) |
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243 { |
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244 TRACES( RDebug::Print( _L("CSysApPsmController::SetNextUiOperation: aIsActivate=%d"), aIsActivate ) ); |
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245 iNextUiOperation = aIsActivate; |
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246 } |
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247 |
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248 // --------------------------------------------------------------------------- |
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249 // CCSysApPsmController::NextUiOperation |
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250 // --------------------------------------------------------------------------- |
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251 // |
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252 TBool CSysApPsmController::NextUiOperation() const |
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253 { |
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254 return iNextUiOperation; |
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255 } |
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256 |
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257 |
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258 // --------------------------------------------------------------------------- |
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259 // CSysApPsmController::PowerSaveModeChanged |
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260 // from MPsmClientObserver |
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261 // --------------------------------------------------------------------------- |
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262 // |
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263 void CSysApPsmController::PowerSaveModeChanged( const TPsmsrvMode aMode ) |
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264 { |
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265 TRACES( RDebug::Print( _L("CSysApPsmController::PowerSaveModeChanged: iActivePsm=%d, aMode=%d, iForcedPartialPsm"), |
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266 iActivePsm, aMode, iForcedPartialPsm ) ); |
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267 |
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268 iPsmClient->RequestPowerSaveModeNotification(); // must be requested after every completion |
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269 |
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270 iActivePsm = aMode; |
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271 TBool showUiNotes = !iDiscardUiNotes; |
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272 iDiscardUiNotes = EFalse; // set now because if partial PSM is activated it sets this back to ETrue |
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273 |
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274 switch ( iActivePsm ) |
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275 { |
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276 case EPsmsrvModeNormal: |
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277 if ( showUiNotes ) |
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278 { |
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279 TRAP_IGNORE( iCallback.NotifyPowerSaveModeL( MSysApPsmControllerNotifyCallback::EPsmDeactivationComplete ) ); |
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280 } |
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281 |
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282 if ( iForcedPartialPsm ) |
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283 { |
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284 DoEnablePartialPsm( ETrue ); |
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285 } |
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286 break; |
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287 |
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288 case EPsmsrvModePowerSave: |
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289 if ( showUiNotes ) |
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290 { |
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291 TRAP_IGNORE( iCallback.NotifyPowerSaveModeL( MSysApPsmControllerNotifyCallback::EPsmActivationComplete ) ); |
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292 } |
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293 break; |
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294 |
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295 case EPsmsrvPartialMode: // partial mode not shown in UI level |
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296 default: |
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297 break; |
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298 } |
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299 } |
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300 |
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301 // --------------------------------------------------------------------------- |
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302 // CSysApPsmController::PowerSaveModeChangeError |
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303 // from MPsmClientObserver |
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304 // --------------------------------------------------------------------------- |
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305 // |
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306 void CSysApPsmController::PowerSaveModeChangeError( const TInt aError ) |
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307 { |
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308 TRACES( RDebug::Print( _L("CSysApPsmController::PowerSaveModeChangeError: aError=%d, iDiscardUiNotes=%d"), |
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309 aError, iDiscardUiNotes ) ); |
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310 |
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311 if ( aError != KErrCancel ) // ignore error if it is due cancellation of notification request |
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312 { |
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313 if ( aError != KErrServerTerminated ) // new request would cause another completion with this error code (infinitely) |
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314 { |
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315 iPsmClient->RequestPowerSaveModeNotification(); // must be requested after every completion |
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316 } |
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317 |
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318 if ( !iDiscardUiNotes ) // The user is not notified if activating partial mode fails |
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319 { |
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320 if ( iActivePsm == EPsmsrvModePowerSave ) |
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321 { |
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322 TRAP_IGNORE( iCallback.NotifyPowerSaveModeL( MSysApPsmControllerNotifyCallback::EPsmDeactivationFailed ) ); |
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323 } |
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324 else |
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325 { |
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326 TRAP_IGNORE( iCallback.NotifyPowerSaveModeL( MSysApPsmControllerNotifyCallback::EPsmActivationFailed ) ); |
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327 } |
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328 } |
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329 iDiscardUiNotes = EFalse; |
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330 } |
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331 } |
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332 |
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333 |
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334 // --------------------------------------------------------------------------- |
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335 // CSysApPsmController::ShowActivateQuery |
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336 // --------------------------------------------------------------------------- |
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337 // |
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338 TBool CSysApPsmController::ShowActivateQuery() |
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339 { |
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340 TBool retVal( EFalse ); |
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341 |
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342 // conditions |
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343 // power saving is not yet activated |
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344 // this is the first battery low warning |
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345 if ( iBatteryLowCounter == 0 && |
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346 iActivePsm == EPsmsrvModeNormal ) |
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347 { |
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348 // query must be activated in CenRep setting |
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349 retVal = QueriesEnabled(); |
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350 } |
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351 |
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352 iBatteryLowCounter++; // query must not be shown on subsequent low events |
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353 return retVal; |
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354 } |
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355 |
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356 // --------------------------------------------------------------------------- |
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357 // CSysApPsmController::ShowDeactivateQuery |
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358 // --------------------------------------------------------------------------- |
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359 // |
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360 TBool CSysApPsmController::ShowDeactivateQuery() const |
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361 { |
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362 TBool retVal( EFalse ); |
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363 |
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364 // conditions |
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365 // power saving has been activated |
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366 // query has been activated in CenRep setting |
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367 if ( iActivePsm == EPsmsrvModePowerSave ) |
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368 { |
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369 // query must be activated in CenRep setting |
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370 retVal = QueriesEnabled(); |
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371 } |
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372 |
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373 return retVal; |
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374 } |
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375 |
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376 // --------------------------------------------------------------------------- |
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377 // CSysApPsmController::QueriesEnabled |
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378 // --------------------------------------------------------------------------- |
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379 // |
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380 TBool CSysApPsmController::QueriesEnabled() const |
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381 { |
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382 TBool enabled( ETrue ); // enabled by default |
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383 |
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384 CRepository* repository( NULL ); |
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385 |
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386 TRAPD( err, repository = CRepository::NewL( KCRUidDeviceManagementSettings ) ); |
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387 |
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388 if ( err == KErrNone ) |
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389 { |
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390 TInt value( 0 ); |
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391 err = repository->Get( KSettingsPowerSavingQuery, value ); |
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392 |
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393 if ( err == KErrNone ) |
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394 { |
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395 enabled = value ? ETrue : EFalse; |
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396 } |
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397 } |
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398 |
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399 delete repository; |
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400 |
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401 TRACES( RDebug::Print( _L("CSysApPsmController::QueriesEnabled: enabled=%d, err=%d"), enabled, err ) ); |
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402 |
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403 return enabled; |
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404 } |