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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: PSM 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 #ifndef PSMMANAGER_H |
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20 #define PSMMANAGER_H |
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21 |
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22 #include <e32base.h> |
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23 |
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24 // FORWARD DECLARATIONS |
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25 class CPsmPluginLoader; |
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26 class CPsmSettingsHandler; |
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27 class MPsmModeChangeObserver; |
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28 class MPsmSettingsProvider; // Interface for Settings handler |
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29 |
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30 /** |
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31 * PSM Manager class |
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32 * |
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33 * Main class in PSM server. Controls the power save mode change chain |
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34 * |
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35 * @since S60 5.0 |
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36 */ |
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37 class CPsmManager : public CActive |
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38 { |
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39 public: // Constructors and destructor |
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40 |
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41 /** |
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42 * Creates a new PSM manager. |
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43 * |
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44 * @return A pointer to the created object. |
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45 */ |
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46 static CPsmManager* NewL(); |
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47 |
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48 /** |
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49 * Creates a new PSM manager. Newly created instance is left in the cleanup stack. |
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50 * |
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51 * @return A pointer to the created object. |
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52 */ |
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53 static CPsmManager* NewLC(); |
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54 |
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55 /** |
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56 * Destructor. |
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57 */ |
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58 virtual ~CPsmManager(); |
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59 |
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60 /** |
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61 * Starts the mode change actions |
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62 * |
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63 * @param aPsmMode Mode to switch to. |
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64 */ |
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65 void NotifyPowerSaveModeChangeL( TInt aPsmMode ); |
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66 |
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67 /** |
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68 * Cancels the mode change actions and restores previous mode. |
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69 */ |
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70 void CancelPowerSaveModeChangeL(); |
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71 |
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72 /** |
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73 * Register new PSM observer. Adds observer to the list of registered observers |
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74 */ |
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75 void RegisterObserver( MPsmModeChangeObserver* aObserver ); |
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76 |
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77 /** |
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78 * Unreqister observer. Removes observer from the list of registered observers |
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79 */ |
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80 void UnregisterObserver( MPsmModeChangeObserver* aObserver ); |
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81 |
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82 /** |
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83 * Returns reference to settings handler |
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84 */ |
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85 MPsmSettingsProvider& SettingsProvider(); |
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86 |
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87 /** |
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88 * Makes NotifyPowerSaveModeChangeL to asynchronous |
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89 */ |
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90 void IssueRequest(); |
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91 |
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92 protected: // From CActive |
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93 |
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94 /** |
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95 * From CActive. |
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96 */ |
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97 void RunL(); |
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98 |
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99 /** |
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100 * From CActive. |
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101 */ |
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102 void DoCancel(); |
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103 |
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104 /** |
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105 * From CActive. |
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106 */ |
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107 TInt RunError( TInt aError ); |
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108 |
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109 private: |
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110 |
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111 /** |
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112 * C++ constructor. |
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113 */ |
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114 CPsmManager(); |
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115 |
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116 /** |
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117 * By default Symbian 2nd phase constructor is private. |
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118 */ |
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119 void ConstructL(); |
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120 |
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121 /** |
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122 * Notifies PSM mode change observers |
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123 */ |
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124 void NotifyObservers( const TInt aError ) const; |
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125 |
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126 private: // Data |
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127 |
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128 /** |
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129 * Plugin loader |
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130 */ |
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131 CPsmPluginLoader* iPluginLoader; |
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132 |
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133 /** |
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134 * Settings handler |
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135 */ |
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136 CPsmSettingsHandler* iSettingsHandler; |
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137 |
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138 /** |
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139 * Array of registered PSM mode observers |
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140 */ |
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141 RArray<MPsmModeChangeObserver*> iModeObservers; |
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142 |
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143 /** |
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144 * Indicates is mode change active |
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145 */ |
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146 TBool iModeChangeCancel; |
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147 |
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148 /** |
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149 * indicates that power save mode change is ongoing |
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150 */ |
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151 TBool iPowerSaveModeChangeActive; |
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152 }; |
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153 |
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154 #endif // PSMMANAGER_H |