VirtualBox

source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMainEventListener.cpp

Last change on this file was 103803, checked in by vboxsync, 2 months ago

FE/Qt. bugref:10618. Splitting COMEnums.h file into individual enum header files.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 25.5 KB
Line 
1/* $Id: UIMainEventListener.cpp 103803 2024-03-12 11:15:18Z vboxsync $ */
2/** @file
3 * VBox Qt GUI - UIMainEventListener class implementation.
4 */
5
6/*
7 * Copyright (C) 2010-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28/* Qt includes: */
29#include <QMutex>
30#include <QThread>
31
32/* GUI includes: */
33#include "UIGlobalSession.h"
34#include "UILoggingDefs.h"
35#include "UIMainEventListener.h"
36#include "UIMousePointerShapeData.h"
37
38/* COM includes: */
39#include "CCanShowWindowEvent.h"
40#include "CClipboardErrorEvent.h"
41#include "CClipboardModeChangedEvent.h"
42#include "CCloudProfileChangedEvent.h"
43#include "CCloudProfileRegisteredEvent.h"
44#include "CCloudProviderListChangedEvent.h"
45#include "CCloudProviderUninstallEvent.h"
46#include "CCursorPositionChangedEvent.h"
47#include "CDnDModeChangedEvent.h"
48#include "CEvent.h"
49#include "CEventSource.h"
50#include "CEventListener.h"
51#include "CExtraDataCanChangeEvent.h"
52#include "CExtraDataChangedEvent.h"
53#include "CExtPackInstalledEvent.h"
54#include "CExtPackUninstalledEvent.h"
55#include "CGuestMonitorChangedEvent.h"
56#include "CGuestProcessIOEvent.h"
57#include "CGuestProcessRegisteredEvent.h"
58#include "CGuestProcessStateChangedEvent.h"
59#include "CGuestSessionRegisteredEvent.h"
60#include "CGuestSessionStateChangedEvent.h"
61#include "CKeyboardLedsChangedEvent.h"
62#include "CMachineDataChangedEvent.h"
63#include "CMachineStateChangedEvent.h"
64#include "CMachineRegisteredEvent.h"
65#include "CMachineGroupsChangedEvent.h"
66#include "CMediumChangedEvent.h"
67#include "CMediumConfigChangedEvent.h"
68#include "CMediumRegisteredEvent.h"
69#include "CMouseCapabilityChangedEvent.h"
70#include "CMousePointerShapeChangedEvent.h"
71#include "CNetworkAdapterChangedEvent.h"
72#include "CProgressPercentageChangedEvent.h"
73#include "CProgressTaskCompletedEvent.h"
74#include "CRuntimeErrorEvent.h"
75#include "CSessionStateChangedEvent.h"
76#include "CShowWindowEvent.h"
77#include "CSnapshotChangedEvent.h"
78#include "CSnapshotDeletedEvent.h"
79#include "CSnapshotRestoredEvent.h"
80#include "CSnapshotTakenEvent.h"
81#include "CStateChangedEvent.h"
82#include "CStorageControllerChangedEvent.h"
83#include "CStorageDeviceChangedEvent.h"
84#include "CUSBDevice.h"
85#include "CUSBDeviceStateChangedEvent.h"
86#include "CVBoxSVCAvailabilityChangedEvent.h"
87#include "CVirtualBoxErrorInfo.h"
88
89
90/** Private QThread extension allowing to listen for Main events in separate thread.
91 * This thread listens for a Main events infinitely unless creator calls for #setShutdown. */
92class UIMainEventListeningThread : public QThread
93{
94 Q_OBJECT;
95
96public:
97
98 /** Constructs Main events listener thread redirecting events from @a comSource to @a comListener.
99 * @param comSource Brings event source we are creating this thread for.
100 * @param comListener Brings event listener we are creating this thread for.
101 * @param escapeEventTypes Brings a set of escape event types which commands this thread to finish. */
102 UIMainEventListeningThread(const CEventSource &comSource,
103 const CEventListener &comListener,
104 const QSet<KVBoxEventType> &escapeEventTypes);
105 /** Destructs Main events listener thread. */
106 virtual ~UIMainEventListeningThread() RT_OVERRIDE;
107
108protected:
109
110 /** Contains the thread excution body. */
111 virtual void run() RT_OVERRIDE;
112
113 /** Returns whether the thread asked to shutdown prematurely. */
114 bool isShutdown() const;
115 /** Defines whether the thread asked to @a fShutdown prematurely. */
116 void setShutdown(bool fShutdown);
117
118private:
119
120 /** Holds the Main event source reference. */
121 CEventSource m_comSource;
122 /** Holds the Main event listener reference. */
123 CEventListener m_comListener;
124 /** Holds a set of event types this thread should finish job on. */
125 QSet<KVBoxEventType> m_escapeEventTypes;
126
127 /** Holds the mutex instance which protects thread access. */
128 mutable QMutex m_mutex;
129 /** Holds whether the thread asked to shutdown prematurely. */
130 bool m_fShutdown;
131};
132
133
134/*********************************************************************************************************************************
135* Class UIMainEventListeningThread implementation. *
136*********************************************************************************************************************************/
137
138UIMainEventListeningThread::UIMainEventListeningThread(const CEventSource &comSource,
139 const CEventListener &comListener,
140 const QSet<KVBoxEventType> &escapeEventTypes)
141 : m_comSource(comSource)
142 , m_comListener(comListener)
143 , m_escapeEventTypes(escapeEventTypes)
144 , m_fShutdown(false)
145{
146 setObjectName("UIMainEventListeningThread");
147}
148
149UIMainEventListeningThread::~UIMainEventListeningThread()
150{
151 /* Make a request to shutdown: */
152 setShutdown(true);
153
154 /* And wait 30 seconds for run() to finish (1 sec increments to help with
155 delays incurred debugging and prevent suicidal use-after-free behaviour): */
156 uint32_t i = 30000;
157 do
158 wait(1000);
159 while (i-- > 0 && !isFinished());
160}
161
162void UIMainEventListeningThread::run()
163{
164 /* Initialize COM: */
165 COMBase::InitializeCOM(false);
166
167 /* Copy source wrapper to this thread: */
168 CEventSource comSource = m_comSource;
169 /* Copy listener wrapper to this thread: */
170 CEventListener comListener = m_comListener;
171
172 /* While we are not in shutdown: */
173 while (!isShutdown())
174 {
175 /* Fetch the event from the queue: */
176 CEvent comEvent = comSource.GetEvent(comListener, 500);
177 if (!comEvent.isNull())
178 {
179 /* Process the event and tell the listener: */
180 comListener.HandleEvent(comEvent);
181 if (comEvent.GetWaitable())
182 {
183 comSource.EventProcessed(comListener, comEvent);
184 LogRel2(("GUI: UIMainEventListener/ThreadRun: EventProcessed set for waitable event\n"));
185 }
186
187 /* Check whether we should finish our job on this event: */
188 if (m_escapeEventTypes.contains(comEvent.GetType()))
189 setShutdown(true);
190 }
191 }
192
193 /* Cleanup COM: */
194 COMBase::CleanupCOM();
195}
196
197bool UIMainEventListeningThread::isShutdown() const
198{
199 m_mutex.lock();
200 bool fShutdown = m_fShutdown;
201 m_mutex.unlock();
202 return fShutdown;
203}
204
205void UIMainEventListeningThread::setShutdown(bool fShutdown)
206{
207 m_mutex.lock();
208 m_fShutdown = fShutdown;
209 m_mutex.unlock();
210}
211
212
213/*********************************************************************************************************************************
214* Class UIMainEventListener implementation. *
215*********************************************************************************************************************************/
216
217UIMainEventListener::UIMainEventListener()
218{
219 /* Register meta-types for required enums. */
220 qRegisterMetaType<KDeviceType>("KDeviceType");
221 qRegisterMetaType<KMachineState>("KMachineState");
222 qRegisterMetaType<KSessionState>("KSessionState");
223 qRegisterMetaType< QVector<uint8_t> >("QVector<uint8_t>");
224 qRegisterMetaType<CNetworkAdapter>("CNetworkAdapter");
225 qRegisterMetaType<CMedium>("CMedium");
226 qRegisterMetaType<CMediumAttachment>("CMediumAttachment");
227 qRegisterMetaType<CUSBDevice>("CUSBDevice");
228 qRegisterMetaType<CVirtualBoxErrorInfo>("CVirtualBoxErrorInfo");
229 qRegisterMetaType<KGuestMonitorChangedEventType>("KGuestMonitorChangedEventType");
230 qRegisterMetaType<CGuestSession>("CGuestSession");
231}
232
233void UIMainEventListener::registerSource(const CEventSource &comSource,
234 const CEventListener &comListener,
235 const QSet<KVBoxEventType> &escapeEventTypes /* = QSet<KVBoxEventType>() */)
236{
237 /* Make sure source and listener are valid: */
238 AssertReturnVoid(!comSource.isNull());
239 AssertReturnVoid(!comListener.isNull());
240
241 /* Create thread for passed source: */
242 UIMainEventListeningThread *pThread = new UIMainEventListeningThread(comSource, comListener, escapeEventTypes);
243 if (pThread)
244 {
245 /* Listen for thread finished signal: */
246 connect(pThread, &UIMainEventListeningThread::finished,
247 this, &UIMainEventListener::sltHandleThreadFinished);
248 /* Register & start it: */
249 m_threads << pThread;
250 pThread->start();
251 }
252}
253
254void UIMainEventListener::unregisterSources()
255{
256 /* Stop listening for thread finished thread signals,
257 * we are about to destroy these threads anyway: */
258 foreach (UIMainEventListeningThread *pThread, m_threads)
259 disconnect(pThread, &UIMainEventListeningThread::finished,
260 this, &UIMainEventListener::sltHandleThreadFinished);
261
262 /* Wipe out the threads: */
263 /** @todo r=bird: The use of qDeleteAll here is unsafe because it won't take
264 * QThread::wait() timeouts into account, and may delete the QThread object
265 * while the thread is still running, causing heap corruption/crashes once
266 * the thread awakens and gets on with its termination.
267 * Observed with debugger + paged heap.
268 *
269 * Should use specialized thread list which only deletes the threads after
270 * isFinished() returns true, leaving them alone on timeout failures. */
271 qDeleteAll(m_threads);
272}
273
274STDMETHODIMP UIMainEventListener::HandleEvent(VBoxEventType_T, IEvent *pEvent)
275{
276 /* Try to acquire COM cleanup protection token first: */
277 if (!gpGlobalSession->comTokenTryLockForRead())
278 return S_OK;
279
280 CEvent comEvent(pEvent);
281 //printf("Event received: %d\n", comEvent.GetType());
282 switch (comEvent.GetType())
283 {
284 case KVBoxEventType_OnVBoxSVCAvailabilityChanged:
285 {
286 CVBoxSVCAvailabilityChangedEvent comEventSpecific(pEvent);
287 emit sigVBoxSVCAvailabilityChange(comEventSpecific.GetAvailable());
288 break;
289 }
290
291 case KVBoxEventType_OnMachineStateChanged:
292 {
293 CMachineStateChangedEvent comEventSpecific(pEvent);
294 emit sigMachineStateChange(comEventSpecific.GetMachineId(), comEventSpecific.GetState());
295 break;
296 }
297 case KVBoxEventType_OnMachineDataChanged:
298 {
299 CMachineDataChangedEvent comEventSpecific(pEvent);
300 emit sigMachineDataChange(comEventSpecific.GetMachineId());
301 break;
302 }
303 case KVBoxEventType_OnMachineRegistered:
304 {
305 CMachineRegisteredEvent comEventSpecific(pEvent);
306 emit sigMachineRegistered(comEventSpecific.GetMachineId(), comEventSpecific.GetRegistered());
307 break;
308 }
309 case KVBoxEventType_OnMachineGroupsChanged:
310 {
311 CMachineGroupsChangedEvent comEventSpecific(pEvent);
312 emit sigMachineGroupsChange(comEventSpecific.GetMachineId());
313 break;
314 }
315 case KVBoxEventType_OnSessionStateChanged:
316 {
317 CSessionStateChangedEvent comEventSpecific(pEvent);
318 emit sigSessionStateChange(comEventSpecific.GetMachineId(), comEventSpecific.GetState());
319 break;
320 }
321 case KVBoxEventType_OnSnapshotTaken:
322 {
323 CSnapshotTakenEvent comEventSpecific(pEvent);
324 emit sigSnapshotTake(comEventSpecific.GetMachineId(), comEventSpecific.GetSnapshotId());
325 break;
326 }
327 case KVBoxEventType_OnSnapshotDeleted:
328 {
329 CSnapshotDeletedEvent comEventSpecific(pEvent);
330 emit sigSnapshotDelete(comEventSpecific.GetMachineId(), comEventSpecific.GetSnapshotId());
331 break;
332 }
333 case KVBoxEventType_OnSnapshotChanged:
334 {
335 CSnapshotChangedEvent comEventSpecific(pEvent);
336 emit sigSnapshotChange(comEventSpecific.GetMachineId(), comEventSpecific.GetSnapshotId());
337 break;
338 }
339 case KVBoxEventType_OnSnapshotRestored:
340 {
341 CSnapshotRestoredEvent comEventSpecific(pEvent);
342 emit sigSnapshotRestore(comEventSpecific.GetMachineId(), comEventSpecific.GetSnapshotId());
343 break;
344 }
345 case KVBoxEventType_OnCloudProviderListChanged:
346 {
347 emit sigCloudProviderListChanged();
348 break;
349 }
350 case KVBoxEventType_OnCloudProviderUninstall:
351 {
352 LogRel(("GUI: UIMainEventListener/HandleEvent: KVBoxEventType_OnCloudProviderUninstall event came\n"));
353 CCloudProviderUninstallEvent comEventSpecific(pEvent);
354 emit sigCloudProviderUninstall(comEventSpecific.GetId());
355 LogRel(("GUI: UIMainEventListener/HandleEvent: KVBoxEventType_OnCloudProviderUninstall event done\n"));
356 break;
357 }
358 case KVBoxEventType_OnCloudProfileRegistered:
359 {
360 CCloudProfileRegisteredEvent comEventSpecific(pEvent);
361 emit sigCloudProfileRegistered(comEventSpecific.GetProviderId(), comEventSpecific.GetName(), comEventSpecific.GetRegistered());
362 break;
363 }
364 case KVBoxEventType_OnCloudProfileChanged:
365 {
366 CCloudProfileChangedEvent comEventSpecific(pEvent);
367 emit sigCloudProfileChanged(comEventSpecific.GetProviderId(), comEventSpecific.GetName());
368 break;
369 }
370
371 case KVBoxEventType_OnExtraDataCanChange:
372 {
373 CExtraDataCanChangeEvent comEventSpecific(pEvent);
374 /* Has to be done in place to give an answer: */
375 bool fVeto = false;
376 QString strReason;
377 emit sigExtraDataCanChange(comEventSpecific.GetMachineId(), comEventSpecific.GetKey(),
378 comEventSpecific.GetValue(), fVeto, strReason);
379 if (fVeto)
380 comEventSpecific.AddVeto(strReason);
381 break;
382 }
383 case KVBoxEventType_OnExtraDataChanged:
384 {
385 CExtraDataChangedEvent comEventSpecific(pEvent);
386 emit sigExtraDataChange(comEventSpecific.GetMachineId(), comEventSpecific.GetKey(), comEventSpecific.GetValue());
387 break;
388 }
389
390 case KVBoxEventType_OnStorageControllerChanged:
391 {
392 CStorageControllerChangedEvent comEventSpecific(pEvent);
393 emit sigStorageControllerChange(comEventSpecific.GetMachinId(),
394 comEventSpecific.GetControllerName());
395 break;
396 }
397 case KVBoxEventType_OnStorageDeviceChanged:
398 {
399 CStorageDeviceChangedEvent comEventSpecific(pEvent);
400 emit sigStorageDeviceChange(comEventSpecific.GetStorageDevice(),
401 comEventSpecific.GetRemoved(),
402 comEventSpecific.GetSilent());
403 break;
404 }
405 case KVBoxEventType_OnMediumChanged:
406 {
407 CMediumChangedEvent comEventSpecific(pEvent);
408 emit sigMediumChange(comEventSpecific.GetMediumAttachment());
409 break;
410 }
411 case KVBoxEventType_OnMediumConfigChanged:
412 {
413 CMediumConfigChangedEvent comEventSpecific(pEvent);
414 emit sigMediumConfigChange(comEventSpecific.GetMedium());
415 break;
416 }
417 case KVBoxEventType_OnMediumRegistered:
418 {
419 CMediumRegisteredEvent comEventSpecific(pEvent);
420 emit sigMediumRegistered(comEventSpecific.GetMediumId(),
421 comEventSpecific.GetMediumType(),
422 comEventSpecific.GetRegistered());
423 break;
424 }
425
426 case KVBoxEventType_OnMousePointerShapeChanged:
427 {
428 CMousePointerShapeChangedEvent comEventSpecific(pEvent);
429 UIMousePointerShapeData shapeData(comEventSpecific.GetVisible(),
430 comEventSpecific.GetAlpha(),
431 QPoint(comEventSpecific.GetXhot(), comEventSpecific.GetYhot()),
432 QSize(comEventSpecific.GetWidth(), comEventSpecific.GetHeight()),
433 comEventSpecific.GetShape());
434 emit sigMousePointerShapeChange(shapeData);
435 break;
436 }
437 case KVBoxEventType_OnMouseCapabilityChanged:
438 {
439 CMouseCapabilityChangedEvent comEventSpecific(pEvent);
440 emit sigMouseCapabilityChange(comEventSpecific.GetSupportsAbsolute(), comEventSpecific.GetSupportsRelative(),
441 comEventSpecific.GetSupportsTouchScreen(), comEventSpecific.GetSupportsTouchPad(),
442 comEventSpecific.GetNeedsHostCursor());
443 break;
444 }
445 case KVBoxEventType_OnCursorPositionChanged:
446 {
447 CCursorPositionChangedEvent comEventSpecific(pEvent);
448 emit sigCursorPositionChange(comEventSpecific.GetHasData(),
449 (unsigned long)comEventSpecific.GetX(), (unsigned long)comEventSpecific.GetY());
450 break;
451 }
452 case KVBoxEventType_OnKeyboardLedsChanged:
453 {
454 CKeyboardLedsChangedEvent comEventSpecific(pEvent);
455 emit sigKeyboardLedsChange(comEventSpecific.GetNumLock(),
456 comEventSpecific.GetCapsLock(),
457 comEventSpecific.GetScrollLock());
458 break;
459 }
460 case KVBoxEventType_OnStateChanged:
461 {
462 CStateChangedEvent comEventSpecific(pEvent);
463 emit sigStateChange(comEventSpecific.GetState());
464 break;
465 }
466 case KVBoxEventType_OnAdditionsStateChanged:
467 {
468 emit sigAdditionsChange();
469 break;
470 }
471 case KVBoxEventType_OnNetworkAdapterChanged:
472 {
473 CNetworkAdapterChangedEvent comEventSpecific(pEvent);
474 emit sigNetworkAdapterChange(comEventSpecific.GetNetworkAdapter());
475 break;
476 }
477 case KVBoxEventType_OnVRDEServerChanged:
478 case KVBoxEventType_OnVRDEServerInfoChanged:
479 {
480 emit sigVRDEChange();
481 break;
482 }
483 case KVBoxEventType_OnRecordingChanged:
484 {
485 emit sigRecordingChange();
486 break;
487 }
488 case KVBoxEventType_OnUSBControllerChanged:
489 {
490 emit sigUSBControllerChange();
491 break;
492 }
493 case KVBoxEventType_OnUSBDeviceStateChanged:
494 {
495 CUSBDeviceStateChangedEvent comEventSpecific(pEvent);
496 emit sigUSBDeviceStateChange(comEventSpecific.GetDevice(),
497 comEventSpecific.GetAttached(),
498 comEventSpecific.GetError());
499 break;
500 }
501 case KVBoxEventType_OnSharedFolderChanged:
502 {
503 emit sigSharedFolderChange();
504 break;
505 }
506 case KVBoxEventType_OnCPUExecutionCapChanged:
507 {
508 emit sigCPUExecutionCapChange();
509 break;
510 }
511 case KVBoxEventType_OnGuestMonitorChanged:
512 {
513 CGuestMonitorChangedEvent comEventSpecific(pEvent);
514 emit sigGuestMonitorChange(comEventSpecific.GetChangeType(), comEventSpecific.GetScreenId(),
515 QRect(comEventSpecific.GetOriginX(), comEventSpecific.GetOriginY(),
516 comEventSpecific.GetWidth(), comEventSpecific.GetHeight()));
517 break;
518 }
519 case KVBoxEventType_OnRuntimeError:
520 {
521 CRuntimeErrorEvent comEventSpecific(pEvent);
522 emit sigRuntimeError(comEventSpecific.GetFatal(), comEventSpecific.GetId(), comEventSpecific.GetMessage());
523 break;
524 }
525 case KVBoxEventType_OnCanShowWindow:
526 {
527 CCanShowWindowEvent comEventSpecific(pEvent);
528 /* Has to be done in place to give an answer: */
529 bool fVeto = false;
530 QString strReason;
531 emit sigCanShowWindow(fVeto, strReason);
532 if (fVeto)
533 comEventSpecific.AddVeto(strReason);
534 else
535 comEventSpecific.AddApproval(strReason);
536 break;
537 }
538 case KVBoxEventType_OnShowWindow:
539 {
540 CShowWindowEvent comEventSpecific(pEvent);
541 /* Has to be done in place to give an answer: */
542 qint64 winId = comEventSpecific.GetWinId();
543 if (winId != 0)
544 break; /* Already set by some listener. */
545 emit sigShowWindow(winId);
546 comEventSpecific.SetWinId(winId);
547 break;
548 }
549 case KVBoxEventType_OnAudioAdapterChanged:
550 {
551 emit sigAudioAdapterChange();
552 break;
553 }
554
555 case KVBoxEventType_OnProgressPercentageChanged:
556 {
557 CProgressPercentageChangedEvent comEventSpecific(pEvent);
558 emit sigProgressPercentageChange(comEventSpecific.GetProgressId(), (int)comEventSpecific.GetPercent());
559 break;
560 }
561 case KVBoxEventType_OnProgressTaskCompleted:
562 {
563 CProgressTaskCompletedEvent comEventSpecific(pEvent);
564 emit sigProgressTaskComplete(comEventSpecific.GetProgressId());
565 break;
566 }
567
568 case KVBoxEventType_OnGuestSessionRegistered:
569 {
570 CGuestSessionRegisteredEvent comEventSpecific(pEvent);
571 if (comEventSpecific.GetRegistered())
572 emit sigGuestSessionRegistered(comEventSpecific.GetSession());
573 else
574 emit sigGuestSessionUnregistered(comEventSpecific.GetSession());
575 break;
576 }
577 case KVBoxEventType_OnGuestProcessRegistered:
578 {
579 CGuestProcessRegisteredEvent comEventSpecific(pEvent);
580 if (comEventSpecific.GetRegistered())
581 emit sigGuestProcessRegistered(comEventSpecific.GetProcess());
582 else
583 emit sigGuestProcessUnregistered(comEventSpecific.GetProcess());
584 break;
585 }
586 case KVBoxEventType_OnGuestSessionStateChanged:
587 {
588 CGuestSessionStateChangedEvent comEventSpecific(pEvent);
589 emit sigGuestSessionStatedChanged(comEventSpecific);
590 break;
591 }
592 case KVBoxEventType_OnGuestProcessInputNotify:
593 case KVBoxEventType_OnGuestProcessOutput:
594 {
595 break;
596 }
597 case KVBoxEventType_OnGuestProcessStateChanged:
598 {
599 CGuestProcessStateChangedEvent comEventSpecific(pEvent);
600 comEventSpecific.GetError();
601 emit sigGuestProcessStateChanged(comEventSpecific);
602 break;
603 }
604 case KVBoxEventType_OnGuestFileRegistered:
605 case KVBoxEventType_OnGuestFileStateChanged:
606 case KVBoxEventType_OnGuestFileOffsetChanged:
607 case KVBoxEventType_OnGuestFileRead:
608 case KVBoxEventType_OnGuestFileWrite:
609 {
610 break;
611 }
612 case KVBoxEventType_OnClipboardModeChanged:
613 {
614 CClipboardModeChangedEvent comEventSpecific(pEvent);
615 emit sigClipboardModeChange(comEventSpecific.GetClipboardMode());
616 break;
617 }
618 case KVBoxEventType_OnClipboardError:
619 {
620 CClipboardErrorEvent comEventSpecific(pEvent);
621 emit sigClipboardError(comEventSpecific.GetId(), comEventSpecific.GetMsg(), comEventSpecific.GetRcError());
622 break;
623 }
624 case KVBoxEventType_OnDnDModeChanged:
625 {
626 CDnDModeChangedEvent comEventSpecific(pEvent);
627 emit sigDnDModeChange(comEventSpecific.GetDndMode());
628 break;
629 }
630 case KVBoxEventType_OnExtPackInstalled:
631 {
632 CExtPackInstalledEvent comEventSpecific(pEvent);
633 emit sigExtensionPackInstalled(comEventSpecific.GetName());
634 break;
635 }
636 case KVBoxEventType_OnExtPackUninstalled:
637 {
638 CExtPackInstalledEvent comEventSpecific(pEvent);
639 emit sigExtensionPackUninstalled(comEventSpecific.GetName());
640 break;
641 }
642 default: break;
643 }
644
645 /* Unlock COM cleanup protection token: */
646 gpGlobalSession->comTokenUnlock();
647
648 return S_OK;
649}
650
651void UIMainEventListener::sltHandleThreadFinished()
652{
653 /* We have received a signal about thread finished, that means we were
654 * patiently waiting for it, instead of killing UIMainEventListener object. */
655 UIMainEventListeningThread *pSender = qobject_cast<UIMainEventListeningThread*>(sender());
656 AssertPtrReturnVoid(pSender);
657
658 /* We should remove corresponding thread from the list: */
659 const int iIndex = m_threads.indexOf(pSender);
660 delete m_threads.value(iIndex);
661 m_threads.removeAt(iIndex);
662
663 /* And notify listeners we have really finished: */
664 if (m_threads.isEmpty())
665 emit sigListeningFinished();
666}
667
668#include "UIMainEventListener.moc"
Note: See TracBrowser for help on using the repository browser.

© 2023 Oracle
Contact – Privacy policy – Terms of Use