1 /* |
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2 * Copyright (c) 2008 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: Comms database notifier class definition |
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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 _CCMCOMMSDBNOTIFIER_H |
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20 #define _CCMCOMMSDBNOTIFIER_H |
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21 |
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22 // Include Files |
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23 #include <d32dbms.h> |
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24 |
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25 // FORWARD DECLARATIONS |
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26 class CCommsDatabase; |
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27 class CCmScheduler; |
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28 |
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29 // CLASS DECLARATION |
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30 |
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31 /** |
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32 * Comms database notifier class for scheduler |
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33 * @lib cmscheduler.lib |
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34 * @since S60 5.1 |
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35 */ |
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36 class CCmCommsDbNotifier : public CActive |
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37 { |
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38 public: // Constructors and destructor |
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39 |
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40 /** |
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41 * Two-phased constructor. |
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42 */ |
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43 static CCmCommsDbNotifier* NewL( CCmScheduler& aSheduler ); |
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44 |
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45 /** |
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46 * Destructor. |
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47 */ |
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48 virtual ~CCmCommsDbNotifier(); |
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49 |
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50 /** |
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51 * Checks wlan scan state |
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52 * |
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53 * @since S60 5.1 |
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54 * @return TBool, ETrue if value changed, EFalse otherwise |
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55 */ |
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56 TBool HasScanStateChangedL(); |
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57 |
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58 /** |
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59 * Gets wlan scan interval setting value |
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60 * |
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61 * @since S60 5.1 |
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62 * @return TUint32, scan interval |
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63 */ |
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64 TUint32 WlanScanStateL(); |
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65 |
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66 protected: // From CActive |
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67 |
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68 /** |
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69 * Called when request completes |
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70 * |
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71 * @since S60 5.1 |
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72 */ |
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73 void RunL(); |
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74 |
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75 /** |
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76 * Called when request is cancelled |
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77 * |
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78 * @since S60 5.1 |
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79 */ |
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80 void DoCancel(); |
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81 |
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82 /** |
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83 * Called when RunL leaves |
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84 * |
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85 * @since S60 5.1 |
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86 */ |
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87 TInt RunError(TInt aError); |
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88 |
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89 private: // Constructors |
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90 |
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91 /** |
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92 * Default constructor. |
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93 */ |
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94 CCmCommsDbNotifier( CCmScheduler& aSheduler ); |
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95 |
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96 /** |
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97 * Two-phased constructor. |
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98 */ |
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99 void ConstructL(); |
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100 |
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101 /** |
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102 * Initiates asyncronous notification request to database |
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103 * |
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104 * @since S60 5.1 |
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105 */ |
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106 void RequestNotification(); |
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107 |
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108 private: |
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109 |
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110 /** |
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111 * Database to be monitored |
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112 */ |
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113 CCommsDatabase* iDb; // owned |
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114 |
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115 /** |
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116 * Change observer |
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117 */ |
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118 CCmScheduler* iScheduler; // not owned |
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119 |
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120 /** |
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121 * Previous scan state |
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122 */ |
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123 TUint32 iScanState; |
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124 }; |
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125 |
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126 #endif // _CCMCOMMSDBNOTIFIER_H |
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