|
35
|
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: timer
|
|
|
15 |
*
|
|
|
16 |
*/
|
|
|
17 |
|
|
|
18 |
#ifndef C_USBTIMER_H
|
|
|
19 |
#define C_USBTIMER_H
|
|
|
20 |
|
|
|
21 |
#include <e32base.h>
|
|
|
22 |
|
|
|
23 |
class CUsbTimer;
|
|
|
24 |
|
|
|
25 |
/**
|
|
|
26 |
* timer ids for usbotgwatcher
|
|
|
27 |
*/
|
|
|
28 |
enum TUsbTimerId
|
|
|
29 |
{
|
|
|
30 |
EDeviceAttachmentTimer,
|
|
|
31 |
EInactiveTimer,
|
|
|
32 |
EIconBlinkingTimer,
|
|
|
33 |
ETooMuchPowerRequiredTimer,
|
|
|
34 |
EDriversNotFoundTimer
|
|
|
35 |
};
|
|
|
36 |
|
|
|
37 |
/**
|
|
|
38 |
* Observers gets feedback by implementing this interface
|
|
|
39 |
*/
|
|
|
40 |
class MUsbTimerObserver
|
|
|
41 |
{
|
|
|
42 |
friend class CtUsbOtgWatcher;
|
|
|
43 |
|
|
|
44 |
public:
|
|
|
45 |
|
|
|
46 |
/**
|
|
|
47 |
* Observer must implement this interace
|
|
|
48 |
* which is called back when timer expires
|
|
|
49 |
* @param timer id
|
|
|
50 |
*/
|
|
|
51 |
virtual void TimerElapsedL(TUsbTimerId aTimerId) = 0;
|
|
|
52 |
};
|
|
|
53 |
|
|
|
54 |
/* *
|
|
|
55 |
* Wrapper class, will report to MUsbTimerObserver once time is over
|
|
|
56 |
* Name CUsbTimer is given due to CTimer name already used
|
|
|
57 |
*/
|
|
|
58 |
NONSHARABLE_CLASS(CUsbTimer) : public CActive
|
|
|
59 |
{
|
|
|
60 |
public:
|
|
|
61 |
|
|
|
62 |
/**
|
|
|
63 |
* Two-phased constructor
|
|
|
64 |
*
|
|
|
65 |
* @param aObserver will get call back
|
|
|
66 |
* @param aTimerId timer id
|
|
|
67 |
*/
|
|
|
68 |
static CUsbTimer * NewL(MUsbTimerObserver& aObserver,
|
|
|
69 |
TUsbTimerId aTimerId);
|
|
|
70 |
|
|
|
71 |
/**
|
|
|
72 |
* Destructor.
|
|
|
73 |
*/
|
|
|
74 |
virtual ~CUsbTimer();
|
|
|
75 |
|
|
|
76 |
/**
|
|
|
77 |
* calls RunL after aMilliseconds
|
|
|
78 |
* @param aMilliseconds time in millisecs
|
|
|
79 |
*/
|
|
|
80 |
void After(TInt aMilliseconds);
|
|
|
81 |
|
|
|
82 |
public:
|
|
|
83 |
|
|
|
84 |
// from base class CActive
|
|
|
85 |
/**
|
|
|
86 |
* Called when request is completed
|
|
|
87 |
*/
|
|
|
88 |
void RunL();
|
|
|
89 |
|
|
|
90 |
/**
|
|
|
91 |
* called when RunL leaves
|
|
|
92 |
* @param aError error code
|
|
|
93 |
* @return error code
|
|
|
94 |
*/
|
|
|
95 |
TInt RunError(TInt aError);
|
|
|
96 |
|
|
|
97 |
/**
|
|
|
98 |
* Called when request is cancelled
|
|
|
99 |
*/
|
|
|
100 |
void DoCancel();
|
|
|
101 |
|
|
|
102 |
private:
|
|
|
103 |
|
|
|
104 |
/**
|
|
|
105 |
* Default constructor
|
|
|
106 |
* @param aObserver will get call back
|
|
|
107 |
* @param aTimerId timer id
|
|
|
108 |
*/
|
|
|
109 |
CUsbTimer(MUsbTimerObserver& aObserver, TUsbTimerId aTimerId);
|
|
|
110 |
|
|
|
111 |
/**
|
|
|
112 |
* 2nd phase construction
|
|
|
113 |
*/
|
|
|
114 |
void ConstructL();
|
|
|
115 |
|
|
|
116 |
private:
|
|
|
117 |
// data
|
|
|
118 |
|
|
|
119 |
/**
|
|
|
120 |
* Observer
|
|
|
121 |
* not own
|
|
|
122 |
*/
|
|
|
123 |
MUsbTimerObserver& iObserver;
|
|
|
124 |
|
|
|
125 |
/**
|
|
|
126 |
* RTimer API
|
|
|
127 |
*/
|
|
|
128 |
RTimer iTimer;
|
|
|
129 |
|
|
|
130 |
/**
|
|
|
131 |
* timer id
|
|
|
132 |
*/
|
|
|
133 |
TUsbTimerId iTimerId;
|
|
|
134 |
};
|
|
|
135 |
|
|
|
136 |
#endif // C_USBTIMER_H
|