|
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: Monitors for USB events |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #include <e32base.h> |
|
20 #include <f32file.h> |
|
21 #include <e32property.h> |
|
22 #ifdef RD_MULTIPLE_DRIVE |
|
23 #include <driveinfo.h> |
|
24 #endif //RD_MULTIPLE_DRIVE |
|
25 #include <mpxpskeywatcher.h> |
|
26 #include <coreapplicationuisdomainpskeys.h> |
|
27 #include <UsbWatcherInternalPSKeys.h> |
|
28 #include <usbpersonalityids.h> |
|
29 #include <MtpPrivatePSKeys.h> |
|
30 #include <mpxlog.h> |
|
31 #include "mpxusbeventhandler.h" |
|
32 |
|
33 // CONSTANTS |
|
34 const TUint KUsbAllStates = 0xFFFFFFFF; |
|
35 |
|
36 // --------------------------------------------------------------------------- |
|
37 // Default Constructor |
|
38 // --------------------------------------------------------------------------- |
|
39 // |
|
40 CMPXUsbEventHandler::CMPXUsbEventHandler( MMPXSystemEventObserver& aObserver ) : |
|
41 CActive( EPriorityStandard ), |
|
42 iWasMtp ( EFalse ), |
|
43 iObserver( aObserver ), |
|
44 iMTPActive ( EFalse ), |
|
45 iUsbManConnected( EFalse ) |
|
46 { |
|
47 CActiveScheduler::Add( this ); |
|
48 } |
|
49 |
|
50 |
|
51 // --------------------------------------------------------------------------- |
|
52 // 2nd Phase Constructor |
|
53 // --------------------------------------------------------------------------- |
|
54 // |
|
55 void CMPXUsbEventHandler::ConstructL() |
|
56 { |
|
57 MPX_DEBUG1(_L("CMPXUsbEventHandler::ConstructL <---")); |
|
58 iPSKeyWatcher = CMPXPSKeyWatcher::NewL( KPSUidUsbWatcher, |
|
59 KUsbWatcherSelectedPersonality, |
|
60 this ); |
|
61 |
|
62 //for checking MTP status key whether a client has started |
|
63 iMTPKeyWatcher = CMPXPSKeyWatcher::NewL( KMtpPSUid, |
|
64 KMtpPSStatus, |
|
65 this ); |
|
66 |
|
67 // Connect to usbman |
|
68 ConnectUsbMan(); |
|
69 MPX_DEBUG1(_L("CMPXUsbEventHandler::ConstructL --->")); |
|
70 } |
|
71 |
|
72 |
|
73 // --------------------------------------------------------------------------- |
|
74 // Two Phased Constructor |
|
75 // --------------------------------------------------------------------------- |
|
76 // |
|
77 CMPXUsbEventHandler* CMPXUsbEventHandler::NewL |
|
78 ( MMPXSystemEventObserver& aObserver ) |
|
79 { |
|
80 CMPXUsbEventHandler* self = CMPXUsbEventHandler::NewLC( aObserver ); |
|
81 CleanupStack::Pop( self ); |
|
82 return self; |
|
83 } |
|
84 |
|
85 |
|
86 // --------------------------------------------------------------------------- |
|
87 // Two Phased Constructor |
|
88 // --------------------------------------------------------------------------- |
|
89 // |
|
90 CMPXUsbEventHandler* CMPXUsbEventHandler::NewLC |
|
91 ( MMPXSystemEventObserver& aObserver ) |
|
92 |
|
93 { |
|
94 CMPXUsbEventHandler* self = new( ELeave ) CMPXUsbEventHandler( aObserver); |
|
95 CleanupStack::PushL( self ); |
|
96 self->ConstructL(); |
|
97 return self; |
|
98 } |
|
99 |
|
100 |
|
101 // --------------------------------------------------------------------------- |
|
102 // Destructor |
|
103 // --------------------------------------------------------------------------- |
|
104 // |
|
105 CMPXUsbEventHandler::~CMPXUsbEventHandler() |
|
106 { |
|
107 Cancel(); |
|
108 if ( iUsbManConnected ) |
|
109 { |
|
110 iUsbMan.Close(); |
|
111 } |
|
112 delete iPSKeyWatcher; |
|
113 delete iMTPKeyWatcher; |
|
114 } |
|
115 |
|
116 // --------------------------------------------------------------------------- |
|
117 // Poll for any ongoing USB / MTP event |
|
118 // --------------------------------------------------------------------------- |
|
119 // |
|
120 void CMPXUsbEventHandler::PollStatus() |
|
121 { |
|
122 TInt value; |
|
123 iPSKeyWatcher->GetValue( value ); |
|
124 if( (value==KUsbPersonalityIdMS) || |
|
125 (value==KUsbPersonalityIdMTP) || |
|
126 (value==KUsbPersonalityIdPCSuiteMTP) ) |
|
127 { |
|
128 HandlePSEvent( TUid::Uid(0), 0 ); |
|
129 } |
|
130 } |
|
131 |
|
132 // --------------------------------------------------------------------------- |
|
133 // Handle the PS key event |
|
134 // --------------------------------------------------------------------------- |
|
135 // |
|
136 void CMPXUsbEventHandler::HandlePSEvent( TUid aUid, TInt aKey ) |
|
137 { |
|
138 TRAP_IGNORE( DoHandlePSEventL(aUid,aKey) ); |
|
139 } |
|
140 |
|
141 // --------------------------------------------------------------------------- |
|
142 // Handle the PS key event |
|
143 // --------------------------------------------------------------------------- |
|
144 // |
|
145 void CMPXUsbEventHandler::DoHandlePSEventL( TUid /*aUid*/, TInt /*aKey*/ ) |
|
146 { |
|
147 MPX_FUNC("CMPXUsbEventHandler::DoHandlePSEvent()"); |
|
148 if ( !iUsbManConnected ) |
|
149 { |
|
150 ConnectUsbMan(); |
|
151 } |
|
152 |
|
153 // Use the default MMC drive |
|
154 TInt removableDrive( EDriveE ); |
|
155 #ifdef RD_MULTIPLE_DRIVE |
|
156 User::LeaveIfError( DriveInfo::GetDefaultDrive( |
|
157 DriveInfo::EDefaultRemovableMassStorage, |
|
158 removableDrive ) ); |
|
159 #endif // RD_MULTIPLE_DRIVE |
|
160 |
|
161 // Handle the Key event |
|
162 TInt value; |
|
163 iPSKeyWatcher->GetValue( value ); |
|
164 |
|
165 // Determine if we are currently in MTP / Mass Storage mode |
|
166 // |
|
167 MPX_DEBUG2("CMPXUsbEventHandler::DoHandlePSEvent -- get usb value %i", value); |
|
168 MPX_DEBUG2("CMPXUsbEventHandler::DoHandlePSEvent -iState=%d", iState); |
|
169 if( (value == KUsbPersonalityIdMS) && |
|
170 ( iDeviceState == EUsbDeviceStateAddress || |
|
171 iDeviceState == EUsbDeviceStateConfigured ) ) |
|
172 { |
|
173 // Switch mode |
|
174 if( iState == KUsbPersonalityIdMTP ) |
|
175 { |
|
176 MPX_DEBUG1("CMPXUsbEventHandler::DoHandlePSEvent - MTP End"); |
|
177 iObserver.HandleSystemEventL( EUSBMTPEndEvent, removableDrive ); |
|
178 iMTPActive = EFalse; |
|
179 } |
|
180 MPX_DEBUG1("CMPXUsbEventHandler::DoHandlePSEvent - USB Start"); |
|
181 #ifdef RD_MULTIPLE_DRIVE |
|
182 removableDrive = -1; |
|
183 #endif // RD_MULTIPLE_DRIVE |
|
184 |
|
185 // Notify the state change (may happen more than once) |
|
186 iObserver.HandleSystemEventL( EUSBMassStorageStartEvent, removableDrive ); |
|
187 iState = KUsbPersonalityIdMS; |
|
188 } |
|
189 else if( ( value == KUsbPersonalityIdMTP || value == KUsbPersonalityIdPCSuiteMTP ) && |
|
190 ( iDeviceState == EUsbDeviceStateAddress || iDeviceState == EUsbDeviceStateConfigured ) ) |
|
191 { |
|
192 if( iState == KUsbPersonalityIdMS ) |
|
193 { |
|
194 MPX_DEBUG1("CMPXUsbEventHandler::DoHandlePSEvent - USB End"); |
|
195 iObserver.HandleSystemEventL( EUSBMassStorageEndEvent, removableDrive ); |
|
196 } |
|
197 iMTPKeyWatcher->GetValue(value); |
|
198 MPX_DEBUG2("CMPXUsbEventHandler::DoHandlePSEvent -- get MTP value %i", value); |
|
199 |
|
200 if (value == EMtpPSStatusActive) |
|
201 { |
|
202 if( !iMTPActive ) |
|
203 { |
|
204 MPX_DEBUG1("CMPXUsbEventHandler::DoHandlePSEvent - MTP Start"); |
|
205 iObserver.HandleSystemEventL( EUSBMTPStartEvent, removableDrive ); |
|
206 iState = KUsbPersonalityIdMTP; |
|
207 iMTPActive = ETrue; |
|
208 } |
|
209 } |
|
210 else if( value != EMtpPSStatusReadyToSync ) |
|
211 { |
|
212 MPX_DEBUG1("CMPXUsbEventHandler::DoHandlePSEvent - MTP Not Active"); |
|
213 iObserver.HandleSystemEventL( EUSBMTPNotActiveEvent, removableDrive ); |
|
214 iState = KUsbPersonalityIdMTP; |
|
215 iMTPActive = EFalse; |
|
216 } |
|
217 } |
|
218 // Make sure MTP and MS flags are OFF |
|
219 // |
|
220 else if( value != KUsbPersonalityIdMTP && |
|
221 value != KUsbPersonalityIdMS && |
|
222 value != KUsbPersonalityIdPCSuiteMTP ) |
|
223 { |
|
224 // Signal end of event |
|
225 if( iState == KUsbPersonalityIdMS ) |
|
226 { |
|
227 MPX_DEBUG1("CMPXUsbEventHandler::DoHandlePSEvent - USB End"); |
|
228 iObserver.HandleSystemEventL( EUSBMassStorageEndEvent, removableDrive ); |
|
229 } |
|
230 else if( iState == KUsbPersonalityIdMTP ) |
|
231 { |
|
232 MPX_DEBUG1("CMPXUsbEventHandler::DoHandlePSEvent - MTP End"); |
|
233 iObserver.HandleSystemEventL( EUSBMTPEndEvent, removableDrive ); |
|
234 iMTPActive = EFalse; |
|
235 } |
|
236 iState = KUsbWatcherSelectedPersonalityNone; |
|
237 } |
|
238 } |
|
239 |
|
240 // --------------------------------------------------------------------------- |
|
241 // CMPXUsbEventHandler::RunL |
|
242 // --------------------------------------------------------------------------- |
|
243 // |
|
244 void CMPXUsbEventHandler::RunL() |
|
245 { |
|
246 MPX_FUNC("CMPXUsbEventHandler::RunL()"); |
|
247 TInt status( iStatus.Int() ); |
|
248 |
|
249 MPX_DEBUG2("CMPXUsbEventHandler::RunL status=%d", status ); |
|
250 if ( status != KErrCancel && status != KErrServerTerminated ) |
|
251 { |
|
252 iUsbMan.DeviceStateNotification( KUsbAllStates, iDeviceState, iStatus ); |
|
253 SetActive(); |
|
254 } |
|
255 |
|
256 if ( status == KErrNone ) |
|
257 { |
|
258 MPX_DEBUG2("CMPXUsbEventHandler::RunL - DeviceState = %d", iDeviceState); |
|
259 HandlePSEvent( TUid::Uid(0), 0 ); |
|
260 } |
|
261 } |
|
262 |
|
263 // --------------------------------------------------------------------------- |
|
264 // CMPXUsbEventHandler::DoCancel |
|
265 // --------------------------------------------------------------------------- |
|
266 // |
|
267 void CMPXUsbEventHandler::DoCancel() |
|
268 { |
|
269 MPX_FUNC("CMPXUsbEventHandler::DoCancel()"); |
|
270 if ( iUsbManConnected ) |
|
271 { |
|
272 iUsbMan.DeviceStateNotificationCancel(); |
|
273 } |
|
274 } |
|
275 |
|
276 // --------------------------------------------------------------------------- |
|
277 // CMPXUsbEventHandler::ConnectUsbMan |
|
278 // If error, default iDeviceState to EUsbDeviceStateConfigured so this would not |
|
279 // block usb event mode change. |
|
280 // --------------------------------------------------------------------------- |
|
281 void CMPXUsbEventHandler::ConnectUsbMan() |
|
282 { |
|
283 MPX_FUNC("CMPXUsbEventHandler::ConnectUsbMan()"); |
|
284 if ( iUsbMan.Connect() == KErrNone ) |
|
285 { |
|
286 iUsbManConnected = ETrue; |
|
287 // get device state |
|
288 TInt err = iUsbMan.GetDeviceState( iDeviceState ); |
|
289 if ( err ) |
|
290 { |
|
291 iDeviceState = EUsbDeviceStateUndefined; |
|
292 } |
|
293 |
|
294 // start active object |
|
295 if ( !IsActive() ) |
|
296 { |
|
297 iUsbMan.DeviceStateNotification( KUsbAllStates, iDeviceState, iStatus ); |
|
298 SetActive(); |
|
299 } |
|
300 } |
|
301 else |
|
302 { |
|
303 iDeviceState = EUsbDeviceStateConfigured; |
|
304 } |
|
305 } |
|
306 // END OF FILE |
|
307 |