|
1 /* |
|
2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Event listener implementation presence |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #ifndef CSERVICEWIDGETTIMER_H |
|
20 #define CSERVICEWIDGETTIMER_H |
|
21 |
|
22 #include <e32base.h> |
|
23 |
|
24 // forward declaration |
|
25 class MServiceWidgetTimerObserver; |
|
26 // class declaration |
|
27 |
|
28 /** |
|
29 * @class timer class |
|
30 * @since 5.0 |
|
31 */ |
|
32 |
|
33 class CServiceWidgetTimer : public CActive |
|
34 { |
|
35 public : |
|
36 // Constructor |
|
37 /** |
|
38 * Creates a new CServiceWidgetTimer. |
|
39 * @param aObserver, reference to timer |
|
40 * @return New instance of this class |
|
41 */ |
|
42 static CServiceWidgetTimer* NewL(MServiceWidgetTimerObserver& aObserver ); |
|
43 |
|
44 /** |
|
45 * Standard C++ destructor. |
|
46 */ |
|
47 ~CServiceWidgetTimer(); |
|
48 |
|
49 /** |
|
50 * start listening |
|
51 * @param a time interval |
|
52 */ |
|
53 void StartListening(TTimeIntervalMicroSeconds32 anInterval); |
|
54 |
|
55 |
|
56 /** |
|
57 * stop listening |
|
58 */ |
|
59 void StopListening(); |
|
60 |
|
61 private : // From CActive |
|
62 |
|
63 /** |
|
64 * RunL |
|
65 */ |
|
66 void RunL(); |
|
67 |
|
68 /** |
|
69 * DoCancel |
|
70 */ |
|
71 void DoCancel(); |
|
72 |
|
73 |
|
74 private: // Implementation |
|
75 |
|
76 /** |
|
77 * Standard C++ constructor |
|
78 * @param aObserver, reference to timer |
|
79 */ |
|
80 CServiceWidgetTimer(MServiceWidgetTimerObserver& aObserver ); |
|
81 |
|
82 /** |
|
83 * Performs the 2nd phase of construction. |
|
84 */ |
|
85 void ConstructL(); |
|
86 |
|
87 private : |
|
88 |
|
89 // not owns : reference to contact update observer |
|
90 MServiceWidgetTimerObserver& iObserver; |
|
91 |
|
92 /** |
|
93 * owns : timer to trigger message queue uptation checking |
|
94 */ |
|
95 RTimer iTimer; |
|
96 |
|
97 }; |
|
98 |
|
99 #endif /*CSERVICEWIDGETTIMER_H*/ |
|
100 |
|
101 //end of file |