|
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: Monitors host events
|
|
|
15 |
*
|
|
|
16 |
*/
|
|
|
17 |
|
|
|
18 |
#ifndef C_USBHOSTEVENTNOTIFICATIONOBSERVER_H
|
|
|
19 |
#define C_USBHOSTEVENTNOTIFICATIONOBSERVER_H
|
|
|
20 |
|
|
|
21 |
#include <e32base.h>
|
|
|
22 |
#include <e32property.h>
|
|
|
23 |
#include <usbotgdefs.h>
|
|
|
24 |
#include <usbhostdefs.h>
|
|
|
25 |
|
|
|
26 |
class RUsb;
|
|
|
27 |
|
|
|
28 |
/**
|
|
|
29 |
* Observer must implement this interface to get notifications
|
|
|
30 |
*
|
|
|
31 |
*/
|
|
|
32 |
NONSHARABLE_CLASS( MUsbHostEventNotificationObserver)
|
|
|
33 |
{
|
|
|
34 |
public:
|
|
|
35 |
|
|
|
36 |
/**
|
|
|
37 |
* Called when device is attached
|
|
|
38 |
* @param aInfo additional information
|
|
|
39 |
*/
|
|
|
40 |
virtual void DeviceAttachedL(TDeviceEventInformation aInfo) = 0;
|
|
|
41 |
|
|
|
42 |
/**
|
|
|
43 |
* Called when device is detached
|
|
|
44 |
* @param aInfo additional information
|
|
|
45 |
*/
|
|
|
46 |
virtual void DeviceDetachedL(TDeviceEventInformation aInfo) = 0;
|
|
|
47 |
|
|
|
48 |
/**
|
|
|
49 |
* Called when drivers are loaded
|
|
|
50 |
* @param aInfo additional information
|
|
|
51 |
*/
|
|
|
52 |
virtual void DriverLoadSuccessL(TDeviceEventInformation aInfo) = 0;
|
|
|
53 |
|
|
|
54 |
/**
|
|
|
55 |
* Called when drivers are loaded partially
|
|
|
56 |
* @param aInfo additional information
|
|
|
57 |
*/
|
|
|
58 |
virtual void DriverLoadPartialSuccessL(TDeviceEventInformation aInfo) = 0;
|
|
|
59 |
|
|
|
60 |
/**
|
|
|
61 |
* Called when drivers loading failed
|
|
|
62 |
* @param aInfo additional information
|
|
|
63 |
*/
|
|
|
64 |
virtual void DriverLoadFailureL(TDeviceEventInformation aInfo) = 0;
|
|
|
65 |
|
|
|
66 |
/**
|
|
|
67 |
* Called when error happens while observing
|
|
|
68 |
* @param aError error code
|
|
|
69 |
*/
|
|
|
70 |
virtual void HostEventNotificationErrorL(TInt aError) = 0;
|
|
|
71 |
|
|
|
72 |
};
|
|
|
73 |
|
|
|
74 |
/**
|
|
|
75 |
* Class observes USB Notifications
|
|
|
76 |
*/
|
|
|
77 |
NONSHARABLE_CLASS( CUsbHostEventNotificationObserver ) : public CActive
|
|
|
78 |
{
|
|
|
79 |
|
|
|
80 |
public:
|
|
|
81 |
|
|
|
82 |
/**
|
|
|
83 |
* Two-phased constructor.
|
|
|
84 |
* @param aUsb usbman
|
|
|
85 |
* @return this class instance
|
|
|
86 |
*/
|
|
|
87 |
static CUsbHostEventNotificationObserver* NewL(RUsb* aUsb);
|
|
|
88 |
|
|
|
89 |
/**
|
|
|
90 |
* Destructor.
|
|
|
91 |
*/
|
|
|
92 |
virtual ~CUsbHostEventNotificationObserver();
|
|
|
93 |
|
|
|
94 |
/**
|
|
|
95 |
* Add observer to list of observers
|
|
|
96 |
* @param aObserver observer
|
|
|
97 |
*/
|
|
|
98 |
void SubscribeL(MUsbHostEventNotificationObserver& aObserver);
|
|
|
99 |
|
|
|
100 |
/**
|
|
|
101 |
* Removes observer from list of observers
|
|
|
102 |
* @param aObserver Observer
|
|
|
103 |
*/
|
|
|
104 |
void UnsubscribeL(MUsbHostEventNotificationObserver& aObserver);
|
|
|
105 |
|
|
|
106 |
private:
|
|
|
107 |
|
|
|
108 |
// From CActive
|
|
|
109 |
/**
|
|
|
110 |
* Called when request completed
|
|
|
111 |
*/
|
|
|
112 |
void RunL();
|
|
|
113 |
|
|
|
114 |
/**
|
|
|
115 |
* Called when outstanding request cancelled
|
|
|
116 |
*/
|
|
|
117 |
void DoCancel();
|
|
|
118 |
|
|
|
119 |
/**
|
|
|
120 |
* Called when RunL leaves
|
|
|
121 |
* @param aError errorcode from RunL
|
|
|
122 |
* @return aError errorcode
|
|
|
123 |
*/
|
|
|
124 |
TInt RunError(TInt aError);
|
|
|
125 |
|
|
|
126 |
private:
|
|
|
127 |
|
|
|
128 |
/**
|
|
|
129 |
* Default constructor.
|
|
|
130 |
* @param aUsb usbman
|
|
|
131 |
*/
|
|
|
132 |
CUsbHostEventNotificationObserver(RUsb* aUsb);
|
|
|
133 |
|
|
|
134 |
/**
|
|
|
135 |
* 2nd phase constructor.
|
|
|
136 |
*/
|
|
|
137 |
void ConstructL();
|
|
|
138 |
|
|
|
139 |
private:
|
|
|
140 |
// data
|
|
|
141 |
|
|
|
142 |
/**
|
|
|
143 |
* The observer reports changes to own observers
|
|
|
144 |
* Not owns
|
|
|
145 |
*/
|
|
|
146 |
RPointerArray<MUsbHostEventNotificationObserver> iObservers;
|
|
|
147 |
|
|
|
148 |
/**
|
|
|
149 |
* Notifications come from USB
|
|
|
150 |
* Not own
|
|
|
151 |
*/
|
|
|
152 |
RUsb* iUsb;
|
|
|
153 |
|
|
|
154 |
/**
|
|
|
155 |
* Info from notification comes to this member
|
|
|
156 |
*/
|
|
|
157 |
TDeviceEventInformation iEventInfo;
|
|
|
158 |
|
|
|
159 |
};
|
|
|
160 |
|
|
|
161 |
#endif // C_USBHOSTEVENTNOTIFICATIONOBSERVER_H
|