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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: Power save mode manager class |
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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 <ecom/ecom.h> |
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20 #include <psmsrvdomaincrkeys.h> |
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21 #include <centralrepository.h> |
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22 #include "psmmodechangeobserver.h" |
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23 #include "psmmanager.h" |
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24 #include "psmpluginloader.h" |
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25 #include "psmsettingshandler.h" |
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26 #include "psmtrace.h" |
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27 #include "psmdefines.h" |
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28 #include "psmtypes.h" |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CPsmManager::NewL |
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32 // Two-phased constructor. |
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33 // ----------------------------------------------------------------------------- |
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34 // |
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35 CPsmManager* CPsmManager::NewL() |
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36 { |
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37 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::NewL()" ) ) ); |
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38 |
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39 CPsmManager* self = CPsmManager::NewLC(); |
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40 CleanupStack::Pop( self ); |
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41 |
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42 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::NewL - return 0x%x" ), self ) ); |
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43 |
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44 return self; |
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45 } |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // CPsmManager::NewLC |
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49 // Two-phased constructor. |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 CPsmManager* CPsmManager::NewLC() |
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53 { |
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54 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::NewLC()" ) ) ); |
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55 |
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56 CPsmManager* self = new( ELeave ) CPsmManager(); |
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57 |
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58 CleanupStack::PushL( self ); |
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59 self->ConstructL(); |
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60 |
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61 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::NewLC - return 0x%x" ), self ) ); |
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62 |
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63 return self; |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // CPsmManager::CPsmManager |
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68 // C++ default constructor can NOT contain any code, that |
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69 // might leave. |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 CPsmManager::CPsmManager() : CActive( EPriorityStandard ) |
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73 { |
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74 CActiveScheduler::Add( this ); |
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75 } |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // CPsmManager::ConstructL |
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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 CPsmManager::ConstructL() |
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83 { |
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84 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::ConstructL()" ) ) ); |
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85 |
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86 // Get current mode from CenRep |
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87 TInt mode = 0; |
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88 CRepository* cenrep = CRepository::NewLC( KCRUidPowerSaveMode ); |
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89 cenrep->Get( KPsmCurrentMode, mode ); |
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90 CleanupStack::PopAndDestroy( cenrep ); |
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91 |
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92 // Create an instance of the settings handler. Manager has only one instance |
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93 iSettingsHandler = CPsmSettingsHandler::NewL( (TPsmsrvMode)mode ); |
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94 |
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95 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::ConstructL - return" ) ) ); |
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96 } |
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97 |
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98 // ----------------------------------------------------------------------------- |
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99 // Destructor |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 CPsmManager::~CPsmManager() |
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103 { |
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104 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::~CPsmManager()" ) ) ); |
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105 |
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106 Cancel(); |
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107 |
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108 if ( iSettingsHandler ) |
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109 { |
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110 delete iSettingsHandler; |
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111 } |
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112 |
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113 if ( iPluginLoader ) |
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114 { |
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115 delete iPluginLoader; |
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116 } |
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117 |
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118 // Close mode observers array |
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119 iModeObservers.Close(); |
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120 |
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121 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::~CPsmManager - return") ) ); |
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122 } |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CPsmManager::NotifyPowerSaveModeChangeL |
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126 // Starts mode change actions |
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127 // ----------------------------------------------------------------------------- |
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128 // |
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129 void CPsmManager::NotifyPowerSaveModeChangeL( TInt aPsmMode ) |
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130 { |
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131 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::NotifyPowerSaveModeChangeL()" ) ) ); |
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132 |
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133 iPowerSaveModeChangeActive = ETrue; |
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134 iModeChangeCancel = EFalse; |
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135 |
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136 if ( !iPluginLoader ) |
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137 { |
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138 // Create plugin loader |
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139 iPluginLoader = CPsmPluginLoader::NewL( *this ); |
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140 } |
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141 else |
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142 { |
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143 // Check are there any pending plugins |
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144 if ( iPluginLoader->PluginCount() ) |
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145 { |
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146 // There are pending plugins, delete those |
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147 delete iPluginLoader; |
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148 iPluginLoader = NULL; |
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149 iPluginLoader = CPsmPluginLoader::NewL( *this ); |
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150 } |
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151 } |
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152 |
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153 // Settings handler already exists, update mode |
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154 iSettingsHandler->SetMode( ( TPsmsrvMode ) aPsmMode ); |
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155 |
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156 // Start loading plugins |
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157 iPluginLoader->InitializePluginsL(); |
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158 |
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159 // Notify plugins to change mode |
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160 iPluginLoader->NotifyPlugins(); |
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161 |
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162 // continue process asynchronously |
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163 IssueRequest(); |
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164 |
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165 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::NotifyPowerSaveModeChangeL - return" ) ) ); |
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166 } |
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167 |
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168 // ----------------------------------------------------------------------------- |
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169 // CPsmManager::CancelPowerSaveModeChangeL |
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170 // Starts mode change actions |
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171 // ----------------------------------------------------------------------------- |
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172 // |
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173 void CPsmManager::CancelPowerSaveModeChangeL() |
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174 { |
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175 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::CancelPowerSaveModeChangeL()" ) ) ); |
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176 |
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177 if ( iPowerSaveModeChangeActive ) |
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178 { |
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179 // Change mode normally to previous mode |
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180 NotifyPowerSaveModeChangeL( iSettingsHandler->PreviousMode() ); |
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181 |
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182 // Indicates that no need to notify observers |
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183 iModeChangeCancel = ETrue; |
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184 } |
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185 |
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186 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::CancelPowerSaveModeChangeL - return" ) ) ); |
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187 } |
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188 |
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189 // --------------------------------------------------------------------------- |
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190 // CPsmManager::IssueRequest |
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191 // --------------------------------------------------------------------------- |
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192 // |
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193 void CPsmManager::IssueRequest() |
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194 { |
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195 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::IssueRequest()" ) ) ); |
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196 // Provides synchronous function calls to be handled as asynchronous |
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197 if ( !IsActive() ) |
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198 { |
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199 SetActive(); |
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200 TRequestStatus *s = &iStatus; |
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201 User::RequestComplete( s, KErrNone ); |
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202 } |
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203 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::IssueRequest() - return" ) ) ); |
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204 } |
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205 |
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206 // ----------------------------------------------------------------------------- |
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207 // CPsmManager::RunL |
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208 // ----------------------------------------------------------------------------- |
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209 // |
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210 void CPsmManager::RunL() |
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211 { |
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212 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::RunL()" ) ) ); |
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213 |
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214 // Change cenrep values |
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215 TRAPD( cenrepErr, iSettingsHandler->ChangeCenRepSettingsL() ); |
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216 |
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217 ERROR_TRACE( ( _L( "PSM Server - CPsmManager::RunL: CenRep change error: %i" ), cenrepErr ) ); |
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218 |
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219 TInt completeCode( KErrNone ); |
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220 |
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221 if ( KErrNone != cenrepErr ) |
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222 { |
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223 // Indicate to mode change originator that mode is changed but with some failures |
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224 // i.e. mode successfully changed only partially |
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225 completeCode = KErrCompletion; |
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226 } |
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227 |
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228 // Update mode to CenRep |
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229 CRepository* cenrep = CRepository::NewLC( KCRUidPowerSaveMode ); |
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230 cenrep->Set( KPsmCurrentMode, iSettingsHandler->Mode() ); |
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231 CleanupStack::PopAndDestroy( cenrep ); |
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232 |
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233 // If mode change was cancelled, no need to notify observers |
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234 if ( !iModeChangeCancel ) |
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235 { |
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236 // Notify observers |
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237 NotifyObservers( completeCode ); |
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238 } |
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239 |
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240 // PSM change no longer active |
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241 iPowerSaveModeChangeActive = EFalse; |
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242 |
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243 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::RunL - return" ) ) ); |
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244 } |
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245 |
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246 // ----------------------------------------------------------------------------- |
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247 // CPsmManager::NotifyObservers |
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248 // ----------------------------------------------------------------------------- |
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249 // |
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250 void CPsmManager::NotifyObservers( const TInt aError ) const |
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251 { |
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252 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::NotifyObservers()" ) ) ); |
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253 |
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254 // Notify mode observers |
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255 for ( TInt i = 0; i < iModeObservers.Count(); i++ ) |
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256 { |
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257 iModeObservers[i]->NotifyPsmModeChangeComplete( aError ); |
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258 } |
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259 |
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260 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::NotifyObservers - return" ) ) ); |
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261 } |
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262 |
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263 // ----------------------------------------------------------------------------- |
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264 // CPsmManager::DoCancel |
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265 // ----------------------------------------------------------------------------- |
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266 // |
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267 void CPsmManager::DoCancel() |
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268 { |
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269 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::DoCancel()" ) ) ); |
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270 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::DoCancel - return" ) ) ); |
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271 } |
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272 |
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273 // ----------------------------------------------------------------------------- |
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274 // CPsmManager::RunError |
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275 // ----------------------------------------------------------------------------- |
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276 // |
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277 TInt CPsmManager::RunError( TInt aError ) |
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278 { |
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279 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::RunError()" ) ) ); |
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280 |
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281 // RunError should never occur as there are no leaving possibilities in RunL. |
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282 // Keeping RunError for possible future use |
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283 |
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284 NotifyObservers( aError ); |
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285 return KErrNone; |
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286 } |
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287 |
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288 // ----------------------------------------------------------------------------- |
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289 // CPsmManager::RegisterObserver |
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290 // ----------------------------------------------------------------------------- |
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291 // |
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292 void CPsmManager::RegisterObserver( MPsmModeChangeObserver* aObserver ) |
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293 { |
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294 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::RegisterObserver()" ) ) ); |
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295 iModeObservers.Append( aObserver ); |
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296 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::RegisterObserver - return" ) ) ); |
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297 } |
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298 |
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299 // ----------------------------------------------------------------------------- |
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300 // CPsmManager::UnregisterObserver |
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301 // ----------------------------------------------------------------------------- |
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302 // |
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303 void CPsmManager::UnregisterObserver( MPsmModeChangeObserver* aObserver ) |
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304 { |
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305 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::UnregisterObserver()" ) ) ); |
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306 |
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307 // Loop observers and remove if found |
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308 for ( TInt i = 0; i < iModeObservers.Count(); i++ ) |
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309 { |
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310 if ( aObserver == iModeObservers[ i ] ) |
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311 { |
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312 iModeObservers.Remove( i ); |
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313 } |
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314 } |
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315 |
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316 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::UnregisterObserver - return" ) ) ); |
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317 } |
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318 |
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319 // ----------------------------------------------------------------------------- |
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320 // CPsmManager::SettingsProvider |
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321 // ----------------------------------------------------------------------------- |
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322 // |
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323 MPsmSettingsProvider& CPsmManager::SettingsProvider() |
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324 { |
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325 COMPONENT_TRACE( ( _L( "PSM Server - CPsmManager::SettingsProvider()" ) ) ); |
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326 return *iSettingsHandler; |
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327 } |
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328 |
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329 // End of file |