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1 /* |
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2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Definition of CRestoreWatcher class. Observers restore changes. |
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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 RESTOREWATCHER_H |
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20 #define RESTOREWATCHER_H |
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21 |
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22 // SYSTEM INCLUDE |
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23 #include <e32base.h> |
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24 #include <e32cmn.h> |
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25 #include <e32property.h> |
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26 |
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27 // USER INCLUDE |
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28 #include "mpropertyobserver.h" |
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29 |
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30 // FORWARD DECLERAATIONS |
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31 class CPropertyWatcher; |
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32 |
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33 // CLASS DECLARATION |
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34 /** |
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35 * An instance of the CRestoreWatcher object. |
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36 * Controls harvesterAO and message monitor behaviour when |
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37 * user restoring data. |
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38 * |
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39 * @code |
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40 * |
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41 * |
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42 * @endcode |
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43 * |
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44 * @lib - |
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45 * @since - |
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46 */ |
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47 NONSHARABLE_CLASS( CRestoreWatcher ) : public CBase, public MKeyObserver |
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48 { |
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49 |
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50 public: |
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51 |
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52 /** |
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53 * Factory method NewL |
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54 */ |
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55 static CRestoreWatcher* NewL(); |
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56 |
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57 /** |
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58 * Destructor |
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59 */ |
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60 virtual ~CRestoreWatcher(); |
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61 |
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62 public: |
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63 /** |
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64 * Method Register. |
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65 */ |
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66 TBool Register(); |
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67 |
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68 /** |
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69 * Method UnregisterL. |
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70 */ |
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71 void UnregisterL(); |
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72 |
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73 public: // From MKeyObserver. |
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74 |
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75 /** |
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76 * Method NotifyKeyL from MKeyObserver get notifications when |
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77 * property key has changed. |
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78 */ |
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79 void NotifyKeyL( |
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80 const TInt aKeyValue, |
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81 const TUid aPropertyCategory, |
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82 const TUint aKey ); |
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83 |
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84 private: // Construction |
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85 |
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86 /** |
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87 * Constructor |
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88 */ |
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89 CRestoreWatcher(); |
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90 |
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91 /** |
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92 * Symbian 2nd phase constructor. |
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93 */ |
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94 void ConstructL(); |
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95 |
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96 private: |
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97 |
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98 /** |
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99 * Method HandleBackupRestoreKeyActionL. |
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100 * If user make full restore sets restore flag on. |
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101 */ |
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102 void HandleBackupRestoreKeyActionL( const TUint aKeyValue ); |
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103 |
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104 /** |
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105 * Method HandleClientsKeyActionL. |
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106 * Unregister and register message clients. |
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107 */ |
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108 void HandleClientsKeyActionL( const TUint aKeyValue ); |
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109 |
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110 /** |
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111 * Method SetRestoreFlagL. |
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112 */ |
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113 void SetRestoreFlagL( TBool aRestoreDone ); |
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114 |
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115 /** |
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116 * Method CheckRestoreL. |
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117 */ |
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118 void CheckRestoreL(); |
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119 |
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120 /** |
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121 * Method CreateFileNameL. |
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122 * Creates file name in variable iFileName. |
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123 */ |
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124 void CreateFileNameL(); |
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125 |
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126 private: |
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127 |
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128 /*iRegisteredClients - registered clients for this observer.*/ |
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129 static TInt iRegisteredClients; |
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130 |
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131 /*iPartialRestoreDone - indicates if restore is executed.*/ |
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132 static TBool iRestoreDone; |
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133 |
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134 /*iPropertyWatcher - constains observed key's, owned by this class*/ |
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135 CPropertyWatcher* iPropertyWatcher; |
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136 |
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137 /*iClients - messageclients count.*/ |
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138 TInt iClients; |
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139 |
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140 /*iFileName - File used for restore flag.*/ |
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141 TFileName iFileName; |
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142 }; |
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143 |
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144 #endif // RESTOREWATCHER_H |