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unity8/plugins/WindowManager/TopLevelWindowModel.cpp
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1/*
2 * Copyright (C) 2016-2017 Canonical, Ltd.
3 * Copyright 2019 UBports Foundation
4 *
5 * This program is free software: you can redistribute it and/or modify it under
6 * the terms of the GNU Lesser General Public License version 3, as published by
7 * the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
11 * SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
18#include "TopLevelWindowModel.h"
20// unity-api
21#include <unity/shell/application/ApplicationInfoInterface.h>
22#include <unity/shell/application/ApplicationManagerInterface.h>
23#include <unity/shell/application/MirSurfaceInterface.h>
24#include <unity/shell/application/MirSurfaceListInterface.h>
25#include <unity/shell/application/SurfaceManagerInterface.h>
27// Qt
28#include <QGuiApplication>
29#include <QDebug>
31// local
32#include "Window.h"
33#include "InputMethodManager.h"
35Q_LOGGING_CATEGORY(TOPLEVELWINDOWMODEL, "toplevelwindowmodel", QtInfoMsg)
37#define DEBUG_MSG qCDebug(TOPLEVELWINDOWMODEL).nospace().noquote() << __func__
38#define INFO_MSG qCInfo(TOPLEVELWINDOWMODEL).nospace().noquote() << __func__
40namespace unityapi = unity::shell::application;
42TopLevelWindowModel::TopLevelWindowModel()
43 : m_nullWindow(createNullWindow()),
44 m_surfaceManagerBusy(false)
46 connect(m_nullWindow, &Window::focusedChanged, this, [this] {
47 Q_EMIT rootFocusChanged();
48 });
51void TopLevelWindowModel::setApplicationManager(unityapi::ApplicationManagerInterface* value)
53 if (m_applicationManager == value) {
54 return;
55 }
57 DEBUG_MSG << "(" << value << ")";
59 Q_ASSERT(m_modelState == IdleState);
60 m_modelState = ResettingState;
62 beginResetModel();
64 if (m_applicationManager) {
65 m_windowModel.clear();
66 disconnect(m_applicationManager, 0, this, 0);
67 }
69 m_applicationManager = value;
71 if (m_applicationManager) {
72 connect(m_applicationManager, &QAbstractItemModel::rowsInserted,
73 this, [this](const QModelIndex &/*parent*/, int first, int last) {
74 for (int i = first; i <= last; ++i) {
75 auto application = m_applicationManager->get(i);
76 addApplication(application);
77 }
78 });
80 connect(m_applicationManager, &QAbstractItemModel::rowsAboutToBeRemoved,
81 this, [this](const QModelIndex &/*parent*/, int first, int last) {
82 for (int i = first; i <= last; ++i) {
83 auto application = m_applicationManager->get(i);
84 removeApplication(application);
85 }
86 });
88 for (int i = 0; i < m_applicationManager->rowCount(); ++i) {
89 auto application = m_applicationManager->get(i);
90 addApplication(application);
91 }
92 }
94 endResetModel();
95 m_modelState = IdleState;
98void TopLevelWindowModel::setSurfaceManager(unityapi::SurfaceManagerInterface *surfaceManager)
100 if (surfaceManager == m_surfaceManager) {
101 return;
102 }
104 DEBUG_MSG << "(" << surfaceManager << ")";
106 if (m_surfaceManager) {
107 disconnect(m_surfaceManager, 0, this, 0);
108 }
110 m_surfaceManager = surfaceManager;
112 if (m_surfaceManager) {
113 connect(m_surfaceManager, &unityapi::SurfaceManagerInterface::surfaceCreated, this, &TopLevelWindowModel::onSurfaceCreated);
114 connect(m_surfaceManager, &unityapi::SurfaceManagerInterface::surfacesRaised, this, &TopLevelWindowModel::onSurfacesRaised);
115 connect(m_surfaceManager, &unityapi::SurfaceManagerInterface::modificationsStarted, this, &TopLevelWindowModel::onModificationsStarted);
116 connect(m_surfaceManager, &unityapi::SurfaceManagerInterface::modificationsEnded, this, &TopLevelWindowModel::onModificationsEnded);
117 }
119 Q_EMIT surfaceManagerChanged(m_surfaceManager);
122void TopLevelWindowModel::addApplication(unityapi::ApplicationInfoInterface *application)
124 DEBUG_MSG << "(" << application->appId() << ")";
126 if (application->state() != unityapi::ApplicationInfoInterface::Stopped && application->surfaceList()->count() == 0) {
127 prependPlaceholder(application);
128 }
131void TopLevelWindowModel::removeApplication(unityapi::ApplicationInfoInterface *application)
133 DEBUG_MSG << "(" << application->appId() << ")";
135 Q_ASSERT(m_modelState == IdleState);
137 int i = 0;
138 while (i < m_windowModel.count()) {
139 if (m_windowModel.at(i).application == application) {
140 deleteAt(i);
141 } else {
142 ++i;
143 }
144 }
147void TopLevelWindowModel::prependPlaceholder(unityapi::ApplicationInfoInterface *application)
149 INFO_MSG << "(" << application->appId() << ")";
151 prependSurfaceHelper(nullptr, application);
154void TopLevelWindowModel::prependSurface(unityapi::MirSurfaceInterface *surface, unityapi::ApplicationInfoInterface *application)
156 Q_ASSERT(surface != nullptr);
158 connectSurface(surface);
160 bool filledPlaceholder = false;
161 for (int i = 0; i < m_windowModel.count() && !filledPlaceholder; ++i) {
162 ModelEntry &entry = m_windowModel[i];
163 if (entry.application == application && entry.window->surface() == nullptr) {
164 entry.window->setSurface(surface);
165 INFO_MSG << " appId=" << application->appId() << " surface=" << surface
166 << ", filling out placeholder. after: " << toString();
167 filledPlaceholder = true;
168 }
169 }
171 if (!filledPlaceholder) {
172 INFO_MSG << " appId=" << application->appId() << " surface=" << surface << ", adding new row";
173 prependSurfaceHelper(surface, application);
174 }
177void TopLevelWindowModel::prependSurfaceHelper(unityapi::MirSurfaceInterface *surface, unityapi::ApplicationInfoInterface *application)
180 Window *window = createWindow(surface);
182 connect(window, &Window::stateChanged, this, [=](Mir::State newState) {
183 if (newState == Mir::HiddenState) {
184 // Comply, removing it from our model. Just as if it didn't exist anymore.
185 removeAt(indexForId(window->id()));
186 } else {
187 if (indexForId(window->id()) == -1) {
188 // was probably hidden before. put it back on the list
189 auto *application = m_applicationManager->findApplicationWithSurface(window->surface());
190 Q_ASSERT(application);
191 prependWindow(window, application);
192 }
193 }
194 });
196 prependWindow(window, application);
198 // Activate the newly-prepended window.
199 window->activate();
201 INFO_MSG << " after " << toString();
204void TopLevelWindowModel::prependWindow(Window *window, unityapi::ApplicationInfoInterface *application)
206 if (m_modelState == IdleState) {
207 m_modelState = InsertingState;
208 beginInsertRows(QModelIndex(), 0 /*first*/, 0 /*last*/);
209 } else {
210 Q_ASSERT(m_modelState == ResettingState);
211 // No point in signaling anything if we're resetting the whole model
212 }
214 m_windowModel.prepend(ModelEntry(window, application));
216 if (m_modelState == InsertingState) {
217 endInsertRows();
218 Q_EMIT countChanged();
219 Q_EMIT listChanged();
220 m_modelState = IdleState;
221 }
224void TopLevelWindowModel::connectWindow(Window *window)
226 connect(window, &Window::focusRequested, this, [this, window]() {
227 if (!window->surface()) {
228 activateEmptyWindow(window);
229 }
230 });
232 connect(window, &Window::focusedChanged, this, [this, window](bool focused) {
233 if (window->surface()) {
234 // Condense changes to the focused window
235 // eg: Do focusedWindow=A to focusedWindow=B instead of
236 // focusedWindow=A to focusedWindow=null to focusedWindow=B
237 if (focused) {
238 Q_ASSERT(m_newlyFocusedWindow == nullptr);
239 m_focusedWindowChanged = true;
240 m_newlyFocusedWindow = window;
241 } else if (m_focusedWindow == window) {
242 m_focusedWindowChanged = true;
243 } else {
244 // don't clear the focused window if you were not there in the first place
245 // happens when a filled window gets replaced with an empty one (no surface) as the focused window.
246 }
247 }
248 });
250 connect(window, &Window::closeRequested, this, [this, window]() {
251 if (!window->surface()) {
252 // do things ourselves as miral doesn't know about this window
253 int id = window->id();
254 int index = indexForId(id);
255 bool focusOther = false;
256 Q_ASSERT(index >= 0);
257 if (window->focused()) {
258 focusOther = true;
259 }
260 m_windowModel[index].application->close();
261 if (focusOther) {
262 activateTopMostWindowWithoutId(id);
263 }
264 }
265 });
267 connect(window, &Window::emptyWindowActivated, this, [this, window]() {
268 activateEmptyWindow(window);
269 });
271 connect(window, &Window::liveChanged, this, [this, window](bool isAlive) {
272 if (!isAlive && window->state() == Mir::HiddenState) {
273 // Hidden windows are not in the model. So just delete it right away.
274 delete window;
275 }
276 });
279void TopLevelWindowModel::activateEmptyWindow(Window *window)
281 Q_ASSERT(!window->surface());
282 DEBUG_MSG << "(" << window << ")";
284 // miral doesn't know about empty windows (ie, windows that are not backed up by MirSurfaces)
285 // So we have to activate them ourselves (instead of asking SurfaceManager to do it for us).
287 window->setFocused(true);
288 raiseId(window->id());
289 Window *previousWindow = m_focusedWindow;
290 setFocusedWindow(window);
291 if (previousWindow && previousWindow->surface() && previousWindow->surface()->focused()) {
292 m_surfaceManager->activate(nullptr);
293 }
296void TopLevelWindowModel::connectSurface(unityapi::MirSurfaceInterface *surface)
298 connect(surface, &unityapi::MirSurfaceInterface::liveChanged, this, [this, surface](bool live){
299 if (!live) {
300 onSurfaceDied(surface);
301 }
302 });
303 connect(surface, &QObject::destroyed, this, [this, surface](){ this->onSurfaceDestroyed(surface); });
306void TopLevelWindowModel::onSurfaceDied(unityapi::MirSurfaceInterface *surface)
308 if (surface->type() == Mir::InputMethodType) {
309 removeInputMethodWindow();
310 return;
311 }
313 int i = indexOf(surface);
314 if (i == -1) {
315 return;
316 }
318 auto application = m_windowModel[i].application;
320 DEBUG_MSG << " application->name()=" << application->name()
321 << " application->state()=" << application->state();
323 if (application->state() == unityapi::ApplicationInfoInterface::Running
324 || application->state() == unityapi::ApplicationInfoInterface::Starting) {
325 m_windowModel[i].removeOnceSurfaceDestroyed = true;
326 } else {
327 // assume it got killed by the out-of-memory daemon.
328 //
329 // So leave entry in the model and only remove its surface, so shell can display a screenshot
330 // in its place.
331 m_windowModel[i].removeOnceSurfaceDestroyed = false;
332 }
335void TopLevelWindowModel::onSurfaceDestroyed(unityapi::MirSurfaceInterface *surface)
337 int i = indexOf(surface);
338 if (i == -1) {
339 return;
340 }
342 if (m_windowModel[i].removeOnceSurfaceDestroyed) {
343 deleteAt(i);
344 } else {
345 auto window = m_windowModel[i].window;
346 window->setSurface(nullptr);
347 window->setFocused(false);
348 INFO_MSG << " Removed surface from entry. After: " << toString();
349 }
352Window *TopLevelWindowModel::createWindow(unityapi::MirSurfaceInterface *surface)
354 int id = m_nextId.fetchAndAddAcquire(1);
355 return createWindowWithId(surface, id);
358Window *TopLevelWindowModel::createNullWindow()
360 return createWindowWithId(nullptr, 0);
363Window *TopLevelWindowModel::createWindowWithId(unityapi::MirSurfaceInterface *surface, int id)
365 Window *qmlWindow = new Window(id, this);
366 connectWindow(qmlWindow);
367 if (surface) {
368 qmlWindow->setSurface(surface);
369 }
370 return qmlWindow;
373void TopLevelWindowModel::onSurfaceCreated(unityapi::MirSurfaceInterface *surface)
375 DEBUG_MSG << "(" << surface << ")";
377 if (surface->parentSurface()) {
378 // Wrap it in a Window so that we keep focusedWindow() up to date.
379 Window *window = createWindow(surface);
380 connect(surface, &QObject::destroyed, window, [=](){
381 window->setSurface(nullptr);
382 window->deleteLater();
383 });
384 } else {
385 if (surface->type() == Mir::InputMethodType) {
386 connectSurface(surface);
387 setInputMethodWindow(createWindow(surface));
388 } else {
389 auto *application = m_applicationManager->findApplicationWithSurface(surface);
390 if (application) {
391 if (surface->state() == Mir::HiddenState) {
392 // Ignore it until it's finally shown
393 connect(surface, &unityapi::MirSurfaceInterface::stateChanged, this, [=](Mir::State newState) {
394 Q_ASSERT(newState != Mir::HiddenState);
395 disconnect(surface, &unityapi::MirSurfaceInterface::stateChanged, this, 0);
396 prependSurface(surface, application);
397 });
398 } else {
399 prependSurface(surface, application);
400 }
401 } else {
402 // Must be a prompt session. No need to do add it as a prompt surface is not top-level.
403 // It will show up in the ApplicationInfoInterface::promptSurfaceList of some application.
404 // Still wrap it in a Window though, so that we keep focusedWindow() up to date.
405 Window *promptWindow = createWindow(surface);
406 connect(surface, &QObject::destroyed, promptWindow, [=](){
407 promptWindow->setSurface(nullptr);
408 promptWindow->deleteLater();
409 });
410 }
411 }
412 }
415void TopLevelWindowModel::deleteAt(int index)
417 auto window = m_windowModel[index].window;
419 removeAt(index);
421 window->setSurface(nullptr);
423 delete window;
426void TopLevelWindowModel::removeAt(int index)
428 if (m_modelState == IdleState) {
429 beginRemoveRows(QModelIndex(), index, index);
430 m_modelState = RemovingState;
431 } else {
432 Q_ASSERT(m_modelState == ResettingState);
433 // No point in signaling anything if we're resetting the whole model
434 }
436 auto window = m_windowModel[index].window;
438 if (!window->surface()) {
439 window->setFocused(false);
440 }
442 m_windowModel.removeAt(index);
444 if (m_modelState == RemovingState) {
445 endRemoveRows();
446 Q_EMIT countChanged();
447 Q_EMIT listChanged();
448 m_modelState = IdleState;
449 }
451 if (m_focusedWindow == window) {
452 setFocusedWindow(nullptr);
453 }
455 if (m_previousWindow == window) {
456 m_previousWindow = nullptr;
457 }
459 if (m_closingAllApps) {
460 if (m_windowModel.isEmpty()) {
461 Q_EMIT closedAllWindows();
462 }
463 }
465 INFO_MSG << " after " << toString() << " apps left " << m_windowModel.count();
468void TopLevelWindowModel::setInputMethodWindow(Window *window)
470 if (m_inputMethodWindow) {
471 qWarning("Multiple Input Method Surfaces created, removing the old one!");
472 delete m_inputMethodWindow;
473 }
474 m_inputMethodWindow = window;
475 Q_EMIT inputMethodSurfaceChanged(m_inputMethodWindow->surface());
476 InputMethodManager::instance()->setWindow(window);
479void TopLevelWindowModel::removeInputMethodWindow()
481 if (m_inputMethodWindow) {
482 delete m_inputMethodWindow;
483 m_inputMethodWindow = nullptr;
484 Q_EMIT inputMethodSurfaceChanged(nullptr);
485 InputMethodManager::instance()->setWindow(nullptr);
486 }
489void TopLevelWindowModel::onSurfacesRaised(const QVector<unityapi::MirSurfaceInterface*> &surfaces)
491 DEBUG_MSG << "(" << surfaces << ")";
492 const int raiseCount = surfaces.size();
493 for (int i = 0; i < raiseCount; i++) {
494 int fromIndex = findIndexOf(surfaces[i]);
495 if (fromIndex != -1) {
496 move(fromIndex, 0);
497 }
498 }
501int TopLevelWindowModel::rowCount(const QModelIndex &/*parent*/) const
503 return m_windowModel.count();
506QVariant TopLevelWindowModel::data(const QModelIndex& index, int role) const
508 if (index.row() < 0 || index.row() >= m_windowModel.size())
509 return QVariant();
511 if (role == WindowRole) {
512 Window *window = m_windowModel.at(index.row()).window;
513 return QVariant::fromValue(window);
514 } else if (role == ApplicationRole) {
515 return QVariant::fromValue(m_windowModel.at(index.row()).application);
516 } else {
517 return QVariant();
518 }
521int TopLevelWindowModel::findIndexOf(const unityapi::MirSurfaceInterface *surface) const
523 for (int i=0; i<m_windowModel.count(); i++) {
524 if (m_windowModel[i].window->surface() == surface) {
525 return i;
526 }
527 }
528 return -1;
531QString TopLevelWindowModel::toString()
533 QString str;
534 for (int i = 0; i < m_windowModel.count(); ++i) {
535 auto item = m_windowModel.at(i);
537 QString itemStr = QString("(index=%1,appId=%2,surface=0x%3,id=%4)")
538 .arg(QString::number(i),
539 item.application->appId(),
540 QString::number((qintptr)item.window->surface(), 16),
541 QString::number(item.window->id()));
543 if (i > 0) {
544 str.append(",");
545 }
546 str.append(itemStr);
547 }
548 return str;
551int TopLevelWindowModel::indexOf(unityapi::MirSurfaceInterface *surface)
553 for (int i = 0; i < m_windowModel.count(); ++i) {
554 if (m_windowModel.at(i).window->surface() == surface) {
555 return i;
556 }
557 }
558 return -1;
561int TopLevelWindowModel::indexForId(int id) const
563 for (int i = 0; i < m_windowModel.count(); ++i) {
564 if (m_windowModel[i].window->id() == id) {
565 return i;
566 }
567 }
568 return -1;
571Window *TopLevelWindowModel::windowAt(int index) const
573 if (index >=0 && index < m_windowModel.count()) {
574 return m_windowModel[index].window;
575 } else {
576 return nullptr;
577 }
580unityapi::MirSurfaceInterface *TopLevelWindowModel::surfaceAt(int index) const
582 if (index >=0 && index < m_windowModel.count()) {
583 return m_windowModel[index].window->surface();
584 } else {
585 return nullptr;
586 }
589unityapi::ApplicationInfoInterface *TopLevelWindowModel::applicationAt(int index) const
591 if (index >=0 && index < m_windowModel.count()) {
592 return m_windowModel[index].application;
593 } else {
594 return nullptr;
595 }
598int TopLevelWindowModel::idAt(int index) const
600 if (index >=0 && index < m_windowModel.count()) {
601 return m_windowModel[index].window->id();
602 } else {
603 return 0;
604 }
607void TopLevelWindowModel::raiseId(int id)
609 if (m_modelState == IdleState) {
610 DEBUG_MSG << "(id=" << id << ") - do it now.";
611 doRaiseId(id);
612 } else {
613 DEBUG_MSG << "(id=" << id << ") - Model busy (modelState=" << m_modelState << "). Try again in the next event loop.";
614 // The model has just signalled some change. If we have a Repeater responding to this update, it will get nuts
615 // if we perform yet another model change straight away.
616 //
617 // A bad sympton of this problem is a Repeater.itemAt(index) call returning null event though Repeater.count says
618 // the index is definitely within bounds.
619 QMetaObject::invokeMethod(this, "raiseId", Qt::QueuedConnection, Q_ARG(int, id));
620 }
623void TopLevelWindowModel::doRaiseId(int id)
625 int fromIndex = indexForId(id);
626 // can't raise something that doesn't exist or that it's already on top
627 if (fromIndex != -1 && fromIndex != 0) {
628 auto surface = m_windowModel[fromIndex].window->surface();
629 if (surface) {
630 m_surfaceManager->raise(surface);
631 } else {
632 // move it ourselves. Since there's no mir::scene::Surface/miral::Window, there's nothing
633 // miral can do about it.
634 move(fromIndex, 0);
635 }
636 }
639void TopLevelWindowModel::setFocusedWindow(Window *window)
641 if (window != m_focusedWindow) {
642 INFO_MSG << "(" << window << ")";
644 m_previousWindow = m_focusedWindow;
646 m_focusedWindow = window;
647 Q_EMIT focusedWindowChanged(m_focusedWindow);
649 if (m_previousWindow && m_previousWindow->focused() && !m_previousWindow->surface()) {
650 // do it ourselves. miral doesn't know about this window
651 m_previousWindow->setFocused(false);
652 }
653 }
655 // Reset
656 m_pendingActivation = false;
659unityapi::MirSurfaceInterface* TopLevelWindowModel::inputMethodSurface() const
661 return m_inputMethodWindow ? m_inputMethodWindow->surface() : nullptr;
664Window* TopLevelWindowModel::focusedWindow() const
666 return m_focusedWindow;
669void TopLevelWindowModel::move(int from, int to)
671 if (from == to) return;
672 DEBUG_MSG << " from=" << from << " to=" << to;
674 if (from >= 0 && from < m_windowModel.size() && to >= 0 && to < m_windowModel.size()) {
675 QModelIndex parent;
676 /* When moving an item down, the destination index needs to be incremented
677 by one, as explained in the documentation:
678 http://qt-project.org/doc/qt-5.0/qtcore/qabstractitemmodel.html#beginMoveRows */
680 Q_ASSERT(m_modelState == IdleState);
681 m_modelState = MovingState;
683 beginMoveRows(parent, from, from, parent, to + (to > from ? 1 : 0));
684#if QT_VERSION < QT_VERSION_CHECK(5, 6, 0)
685 const auto &window = m_windowModel.takeAt(from);
686 m_windowModel.insert(to, window);
687#else
688 m_windowModel.move(from, to);
689#endif
690 endMoveRows();
692 Q_EMIT listChanged();
693 m_modelState = IdleState;
695 INFO_MSG << " after " << toString();
696 }
698void TopLevelWindowModel::onModificationsStarted()
700 m_surfaceManagerBusy = true;
703void TopLevelWindowModel::onModificationsEnded()
705 if (m_focusedWindowChanged) {
706 setFocusedWindow(m_newlyFocusedWindow);
707 }
708 // reset
709 m_focusedWindowChanged = false;
710 m_newlyFocusedWindow = nullptr;
711 m_surfaceManagerBusy = false;
714void TopLevelWindowModel::activateTopMostWindowWithoutId(int forbiddenId)
716 DEBUG_MSG << "(" << forbiddenId << ")";
718 for (int i = 0; i < m_windowModel.count(); ++i) {
719 Window *window = m_windowModel[i].window;
720 if (window->id() != forbiddenId) {
721 window->activate();
722 break;
723 }
724 }
727void TopLevelWindowModel::closeAllWindows()
729 m_closingAllApps = true;
730 for (auto win : m_windowModel) {
731 win.window->close();
732 }
734 // This is done after the for loop in the unlikely event that
735 // an app starts in between this
736 if (m_windowModel.isEmpty()) {
737 Q_EMIT closedAllWindows();
738 }
741bool TopLevelWindowModel::rootFocus()
743 return !m_nullWindow->focused();
746void TopLevelWindowModel::setRootFocus(bool focus)
748 INFO_MSG << "(" << focus << "), surfaceManagerBusy is " << m_surfaceManagerBusy;
750 if (m_surfaceManagerBusy) {
751 // Something else is probably being focused already, let's not add to
752 // the noise.
753 return;
754 }
756 if (focus) {
757 // Give focus back to previous focused window, only if null window is focused.
758 // If null window is not focused, a different app had taken the focus and we
759 // should repect that, or if a pendingActivation is going on.
760 if (m_previousWindow && !m_previousWindow->focused() && !m_pendingActivation &&
761 m_nullWindow == m_focusedWindow && m_previousWindow != m_nullWindow) {
762 m_previousWindow->activate();
763 } else if (!m_pendingActivation) {
764 // The previous window does not exist any more, focus top window.
765 activateTopMostWindowWithoutId(-1);
766 }
767 } else {
768 if (!m_nullWindow->focused()) {
769 m_nullWindow->activate();
770 }
771 }
774// Pending Activation will block refocus of previous focused window
775// this is needed since surface activation with miral is async,
776// and activation of placeholder is sync. This causes a race condition
777// between placeholder and prev window. This results in prev window
778// gets focused, as it will always be later than the placeholder.
779void TopLevelWindowModel::pendingActivation()
781 m_pendingActivation = true;