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1 /* |
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2 * Copyright (c) 2006 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: Active object for subscribing to Publish & Suscribe properties |
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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 <e32svr.h> |
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21 #include "appcontrollerpropertyhandler.h" |
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22 #include "appcontroller.h" |
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23 |
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24 // --------------------------------------------------------- |
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25 // CAppControllerPropertyHandler::NewL |
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26 // Symbian OS two-phased constructor |
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27 // --------------------------------------------------------- |
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28 // |
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29 CAppControllerPropertyHandler* CAppControllerPropertyHandler::NewL( |
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30 TUid aCategory, TUint aKey, CVCApplicationControllerImpl* aController) |
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31 { |
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32 CAppControllerPropertyHandler* self = new ( ELeave ) CAppControllerPropertyHandler( aController ); |
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33 CleanupStack::PushL( self ); |
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34 self->ConstructL( aCategory, aKey ); |
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35 CleanupStack::Pop( self ); |
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36 return self; |
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37 } |
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38 |
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39 |
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40 // --------------------------------------------------------- |
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41 // CAppControllerPropertyHandler::CAppControllerPropertyHandler |
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42 // C++ constructor |
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43 // --------------------------------------------------------- |
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44 // |
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45 CAppControllerPropertyHandler::CAppControllerPropertyHandler( CVCApplicationControllerImpl* aController ) |
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46 : CActive( EPriorityStandard ), |
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47 iController( aController ) |
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48 { |
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49 } |
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50 |
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51 // --------------------------------------------------------- |
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52 // CAppControllerPropertyHandler::ConstructL |
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53 // Symbian OS 2nd phase constructor |
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54 // --------------------------------------------------------- |
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55 // |
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56 void CAppControllerPropertyHandler::ConstructL(TUid aCategory, TUint aKey ) |
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57 { |
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58 User::LeaveIfError( iProperty.Attach( aCategory, aKey ) ); |
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59 |
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60 CActiveScheduler::Add(this); |
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61 // Initial subscription and process current property value |
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62 RunL(); |
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63 |
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64 iRequestIssued = ETrue; |
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65 } |
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66 |
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67 // Destructor |
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68 CAppControllerPropertyHandler::~CAppControllerPropertyHandler() |
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69 { |
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70 Cancel(); |
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71 iProperty.Close(); |
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72 } |
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73 |
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74 |
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75 // --------------------------------------------------------- |
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76 // CAppControllerPropertyHandler::DoCancel |
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77 // Cancel the request to receive events |
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78 // --------------------------------------------------------- |
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79 // |
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80 void CAppControllerPropertyHandler::DoCancel() |
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81 { |
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82 iProperty.Cancel(); |
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83 } |
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84 |
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85 |
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86 // --------------------------------------------------------- |
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87 // CAppControllerPropertyHandler::RunL |
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88 // Handle a change event. |
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89 // --------------------------------------------------------- |
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90 // |
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91 void CAppControllerPropertyHandler::RunL() |
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92 { |
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93 // Resubscribe before processing new value to prevent missing updates |
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94 iProperty.Subscribe( iStatus ); |
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95 SetActive(); |
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96 |
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97 if ( iRequestIssued ) |
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98 { |
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99 iController->HandleCurrentCallStatusChange(); |
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100 } |
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101 } |
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102 |
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103 |
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104 // --------------------------------------------------------- |
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105 // CAppControllerPropertyHandler::Value |
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106 // Get current property value |
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107 // --------------------------------------------------------- |
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108 // |
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109 TInt CAppControllerPropertyHandler::Value() |
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110 { |
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111 TInt value = 0; |
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112 iProperty.Get( value ); |
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113 return value; |
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114 } |
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115 |
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116 |
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117 // End of File |