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 the License "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: |
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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 FILES |
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20 #include <e32std.h> |
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21 #include <e32cmn.h> |
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22 #include <E32HAL.H> |
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23 #include <wlaninternalpskeys.h> // For WLAN state checking |
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24 |
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25 |
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26 #include "ApiProvider.h" |
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27 #include "WlanObserver.h" |
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28 #include "Display.h" |
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29 |
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30 |
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31 // ============================ MEMBER FUNCTIONS =============================== |
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32 |
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33 // ----------------------------------------------------------------------------- |
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34 // CWlanObserver::CWlanObserver |
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35 // C++ default constructor can NOT contain any code, that |
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36 // might leave. |
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37 // ----------------------------------------------------------------------------- |
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38 CWlanObserver::CWlanObserver(MApiProvider& aApiProvider) |
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39 : CActive( EPriorityStandard ), |
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40 iApiProvider( aApiProvider ) |
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41 { |
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42 CActiveScheduler::Add( this ); |
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43 iWlanProperty.Attach( KPSUidWlan, KPSWlanIndicator ); |
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44 iWlanProperty.Subscribe( iStatus ); |
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45 SetActive(); |
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46 } |
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47 |
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48 // ----------------------------------------------------------------------------- |
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49 // CWlanObserver::~CWlanObserver() |
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50 // Destructor |
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51 // ----------------------------------------------------------------------------- |
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52 CWlanObserver::~CWlanObserver() |
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53 { |
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54 Cancel(); |
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55 iWlanProperty.Close(); |
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56 } |
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57 |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 // CWlanObserver::GetCurrentState |
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61 // |
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62 // Retrieves current state of wireless lan connection |
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63 // @param aWlanStateValue reference to current Wlan state value which is updated here |
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64 // @return: EFalse if error condition (ignore aWlanStateValue in this case) |
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65 // Etrue if no error (get updated value from aWlanStateValue) |
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66 // ----------------------------------------------------------------------------- |
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67 TBool CWlanObserver::GetCurrentState(TInt &aWlanStateValue) |
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68 { |
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69 TInt value; |
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70 TInt errorval = iWlanProperty.Get( value ); |
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71 if (!errorval ) |
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72 { |
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73 aWlanStateValue = value; |
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74 return( ETrue ); |
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75 } |
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76 else |
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77 { |
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78 return( EFalse ); |
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79 } |
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80 } |
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81 |
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82 // ----------------------------------------------------------------------------- |
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83 // CWlanObserver::RunL |
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84 // ----------------------------------------------------------------------------- |
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85 void CWlanObserver::RunL() |
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86 { |
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87 if( iStatus==KErrNone ) |
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88 { |
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89 iWlanProperty.Subscribe( iStatus ); |
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90 SetActive(); |
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91 |
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92 TInt value; |
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93 if ( GetCurrentState(value) ) |
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94 { |
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95 iApiProvider.Display().UpdateWlanIndicator( value ); |
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96 } |
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97 } |
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98 } |
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99 |
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100 // ----------------------------------------------------------------------------- |
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101 // CWlanObserver::RunError |
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102 // ----------------------------------------------------------------------------- |
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103 TInt CWlanObserver::RunError( TInt /*aError*/ ) |
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104 { |
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105 return KErrNone; |
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106 } |
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107 |
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108 // ----------------------------------------------------------------------------- |
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109 // CWlanObserver::DoCancel |
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110 // ----------------------------------------------------------------------------- |
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111 void CWlanObserver::DoCancel() |
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112 { |
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113 iWlanProperty.Cancel(); |
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114 } |
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115 |
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116 // End of File |
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