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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: Central Repository key observer |
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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 __LOCKAPPCENREPOBSERVER_H__ |
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20 #define __LOCKAPPCENREPOBSERVER_H__ |
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21 |
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22 // INCLUDES |
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23 #include <e32std.h> |
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24 #include <cenrepnotifyhandler.h> |
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25 #include "lockappobserverinterface.h" |
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26 |
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27 /** |
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28 * CLockAppCenRepObserver class is a Central Repository key observer |
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29 * which can be used to monitor and set a CenRep value. |
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30 * |
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31 * @lib lockapp |
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32 * @since 5.0 |
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33 * @author Tamas Koteles |
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34 */ |
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35 class CLockAppCenRepObserver : public CBase, public MCenRepNotifyHandlerCallback |
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36 { |
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37 public: |
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38 |
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39 /** |
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40 * Two-phased constructor. |
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41 * |
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42 * @param aObserver pointer to observer |
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43 * @param aCenRepUid repository Uid |
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44 * @param aKeyId repository key Id |
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45 * @return the instance just created |
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46 */ |
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47 static CLockAppCenRepObserver* NewL( MLockAppObserverInterface* aObserver, TUid aCenRepUid, |
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48 TUint32 aKeyId ); |
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49 |
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50 /** |
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51 * Destructor. |
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52 */ |
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53 ~CLockAppCenRepObserver( ); |
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54 |
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55 /** |
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56 * Get key value from CenRep. |
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57 */ |
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58 TInt GetValue( TInt& aValue ); |
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59 |
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60 /** |
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61 * Get the value from a different CenRep key. |
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62 */ |
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63 TInt GetKeyValue( TUint32 aKey, TInt& aValue ); |
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64 |
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65 /** |
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66 * Set key value to CenRep. |
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67 */ |
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68 TInt SetValue( TInt aValue ); |
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69 |
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70 /** |
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71 * Set the value of a different CenRep key. |
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72 */ |
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73 TInt SetKeyValue( TUint32 aKey, TInt aValue ); |
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74 |
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75 public: |
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76 |
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77 /** |
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78 * From MCenRepNotifyHandlerCallback. Handles change event. Called by CenRep. |
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79 * |
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80 * @param aId the id of the changed setting |
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81 * @param aNewValue the new value of the changed setting |
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82 */ |
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83 void HandleNotifyInt( TUint32 aId, TInt aNewValue ); |
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84 |
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85 void HandleNotifyError( TUint32 aId, TInt error, CCenRepNotifyHandler* aHandler ); |
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86 |
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87 void HandleNotifyGeneric( TUint32 aId ); |
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88 |
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89 protected: |
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90 |
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91 /** |
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92 * C++ default constructor. |
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93 * |
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94 * @param aObserver pointer to observer |
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95 * @param aCenRepUid central repository Uid |
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96 * @param aKeyId key Id |
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97 */ |
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98 CLockAppCenRepObserver( MLockAppObserverInterface* aObserver, TUid aCenRepUid, |
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99 TUint32 aKeyId ); |
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100 |
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101 /** |
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102 * Symbian OS constructor. |
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103 */ |
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104 void ConstructL( ); |
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105 |
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106 protected: |
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107 |
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108 /** |
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109 * Observer's callback interface. Not owned. |
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110 */ |
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111 MLockAppObserverInterface* iObserver; |
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112 |
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113 /** |
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114 * CenRep value notifier. |
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115 */ |
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116 CCenRepNotifyHandler* iNotifyHandler; |
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117 |
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118 /** |
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119 * Access to central repository. |
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120 */ |
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121 CRepository* iRepository; |
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122 |
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123 /** |
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124 * Repository Uid. |
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125 */ |
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126 TUid iCenRepUid; |
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127 |
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128 /** |
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129 * Repository key Id. |
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130 */ |
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131 TUint32 iKeyId; |
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132 |
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133 }; |
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134 |
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135 #endif // __LOCKAPPCENREPOBSERVER_H__ |
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136 // END OF FILE |