|
1 /* |
|
2 * Copyright (c) 2006 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: Generic sensor server timer |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #include "sensrvdefines.h" |
|
20 #include "sensrvtimer.h" |
|
21 #include "sensrvtrace.h" |
|
22 |
|
23 // ----------------------------------------------------------------------------- |
|
24 // Two-phased constructor. |
|
25 // ----------------------------------------------------------------------------- |
|
26 // |
|
27 CSensrvTimer* CSensrvTimer::NewL(MSensrvTimerCallback& aCallback, |
|
28 const TTimeIntervalMicroSeconds32& aMaxTime, |
|
29 TInt aTimerId) |
|
30 { |
|
31 COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvTimer::NewL(0x%x, %d, %d)" ), &aCallback, aMaxTime.Int(), aTimerId ) ); |
|
32 |
|
33 CSensrvTimer* self = new (ELeave) CSensrvTimer(aCallback, aMaxTime, aTimerId); |
|
34 CleanupStack::PushL(self); |
|
35 self->ConstructL(); // Base call, needed or will KERN-EXEC 0 at ::After() |
|
36 CleanupStack::Pop(self); |
|
37 |
|
38 COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvTimer::NewL - return 0x%x" ), self ) ); |
|
39 |
|
40 return self; |
|
41 } |
|
42 |
|
43 // ----------------------------------------------------------------------------- |
|
44 // Constructor with callback class as a parameter. |
|
45 // ----------------------------------------------------------------------------- |
|
46 // |
|
47 CSensrvTimer::CSensrvTimer(MSensrvTimerCallback& aCallback, |
|
48 const TTimeIntervalMicroSeconds32& aMaxTime, |
|
49 TInt aTimerId) |
|
50 : CTimer(EPriorityHigh), |
|
51 iCallback(aCallback), |
|
52 iMaximumTime(aMaxTime), |
|
53 iTimerId(aTimerId) |
|
54 { |
|
55 COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvTimer::CSensrvTimer()" ) ) ); |
|
56 |
|
57 // Nothing to do |
|
58 |
|
59 COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvTimer::CSensrvTimer - return" ) ) ); |
|
60 } |
|
61 |
|
62 // ----------------------------------------------------------------------------- |
|
63 // Destructor. |
|
64 // ----------------------------------------------------------------------------- |
|
65 // |
|
66 CSensrvTimer::~CSensrvTimer() |
|
67 { |
|
68 COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvTimer::~CSensrvTimer()" ) ) ); |
|
69 |
|
70 Cancel(); |
|
71 |
|
72 COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvTimer::~CSensrvTimer - return" ) ) ); |
|
73 } |
|
74 |
|
75 // ----------------------------------------------------------------------------- |
|
76 // Start the timer to complete after the specified number of microseconds. |
|
77 // If the duration is zero, then timer is set to predefined maximum value. |
|
78 // ----------------------------------------------------------------------------- |
|
79 // |
|
80 void CSensrvTimer::Set(const TTimeIntervalMicroSeconds32& aInterval) |
|
81 { |
|
82 COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvTimer::Set(%d)" ), aInterval.Int() ) ); |
|
83 |
|
84 if (CActiveScheduler::Current()) |
|
85 { |
|
86 if (!IsAdded()) |
|
87 { |
|
88 CActiveScheduler::Add(this); |
|
89 } |
|
90 |
|
91 // If the timer is already running, cancel it... |
|
92 if (IsActive()) |
|
93 { |
|
94 Cancel(); |
|
95 } |
|
96 |
|
97 // ...and set the new timer. If timer has specified maximum time, enforce that. |
|
98 if ( iMaximumTime.Int() != 0 && (0 == aInterval.Int() || aInterval > iMaximumTime) ) |
|
99 { |
|
100 // Maximum time has been specified, and interval parameter is such that |
|
101 // it should be enforced |
|
102 After(iMaximumTime); |
|
103 |
|
104 COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvTimer::Set - Using Maximum time %d" ), iMaximumTime.Int() ) ); |
|
105 } |
|
106 else if ( iMaximumTime.Int() == 0 && aInterval.Int() == 0 ) |
|
107 { |
|
108 // No maximum time specified and interval calls for infinite duration. |
|
109 // --> Do not set the timer at all. |
|
110 } |
|
111 else |
|
112 { |
|
113 // Otherwise just set the time to specified interval. |
|
114 After(aInterval); |
|
115 } |
|
116 } |
|
117 else |
|
118 { |
|
119 COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvTimer::Set - Scheduler not active, set ignored" ) ) ); |
|
120 // If there are loaded plugins when shutting down the server, timer setting does occur |
|
121 } |
|
122 |
|
123 COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvTimer::Set - return" ) ) ); |
|
124 } |
|
125 |
|
126 // ----------------------------------------------------------------------------- |
|
127 // RunL() function will be run after the specified system time expires, |
|
128 // i.e. time is set by After() method, |
|
129 // ----------------------------------------------------------------------------- |
|
130 void CSensrvTimer::RunL() |
|
131 { |
|
132 COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvTimer::RunL()" )) ); |
|
133 |
|
134 iCallback.TimerFired(iTimerId); |
|
135 |
|
136 COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvTimer::RunL - return" ) ) ); |
|
137 } |
|
138 |
|
139 // End of File |