File indexing completed on 2024-04-21 05:30:51

 /*
     SPDX-FileCopyrightText: 2019 Michail Vourlakos <mvourlakos@gmail.com>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "synchronizer.h"
 
 //! local
 #include <config-latte.h>
 #include "importer.h"
 #include "manager.h"
 #include "../apptypes.h"
 #include "../screenpool.h"
 #include "../data/layoutdata.h"
 #include "../lattecorona.h"
 #include "../layout/centrallayout.h"
 #include "../layout/genericlayout.h"
 #include "../settings/universalsettings.h"
 #include "../templates/templatesmanager.h"
 #include "../view/view.h"
 
 // Qt
 #include <QDir>
 #include <QFile>
 #include <QStringList>
 
 // Plasma
 #include <Plasma/Containment>
 
 // KDE
 #include <KActivities/Consumer>
 #include <KActivities/Controller>
 #include <KWindowSystem>
 
 #define LAYOUTSINITINTERVAL 350
 
 namespace Latte {
 namespace Layouts {
 
 Synchronizer::Synchronizer(QObject *parent)
     : QObject(parent),
       m_activitiesController(new KActivities::Controller)
 {
     m_manager = qobject_cast<Manager *>(parent);
 
     connect(this, &Synchronizer::layoutsChanged, this, &Synchronizer::reloadAssignedLayouts);
 
     //! KWin update Disabled Borders
     connect(this, &Synchronizer::centralLayoutsChanged, this, &Synchronizer::updateBorderlessMaximizedAfterTimer);
     connect(m_manager->corona()->universalSettings(), &UniversalSettings::canDisableBordersChanged, this, &Synchronizer::updateKWinDisabledBorders);
 
     m_updateBorderlessMaximized.setInterval(500);
     m_updateBorderlessMaximized.setSingleShot(true);
     connect(&m_updateBorderlessMaximized, &QTimer::timeout, this, &Synchronizer::updateKWinDisabledBorders);
 
     //! KActivities tracking
     connect(m_manager->corona()->activitiesConsumer(), &KActivities::Consumer::activityRemoved,
             this, &Synchronizer::onActivityRemoved);
 
     connect(m_manager->corona()->activitiesConsumer(), &KActivities::Consumer::currentActivityChanged,
             this, [&]() {
         if (m_manager->memoryUsage() == MemoryUsage::MultipleLayouts) {
             //! this signal is also triggered when runningactivities are changed and actually is received first
             //! this is why we need a timer here in order to delay that execution and not activate/deactivate
             //! maximizedborders faulty because syncMultipleLayoutsToActivities(); has not been executed yet
             updateBorderlessMaximizedAfterTimer();
         }
     });
 
     connect(m_manager->corona()->activitiesConsumer(), &KActivities::Consumer::runningActivitiesChanged,
             this, [&]() {
         if (m_manager->memoryUsage() == MemoryUsage::MultipleLayouts) {
             syncMultipleLayoutsToActivities();
         }
     });
 }
 
 Synchronizer::~Synchronizer()
 {
     m_activitiesController->deleteLater();
 }
 
 KActivities::Controller *Synchronizer::activitiesController() const
 {
     return m_activitiesController;
 }
 
 bool Synchronizer::latteViewExists(Latte::View *view) const
 {
     for (const auto layout : m_centralLayouts) {
         for (const auto &v : layout->latteViews()) {
             if (v == view) {
                 return true;
             }
         }
     }
 
     return false;
 }
 
 bool Synchronizer::layoutExists(QString layoutName) const
 {
     return m_layouts.containsName(layoutName);
 }
 
 
 bool Synchronizer::isAssigned(QString layoutName) const
 {
     for(auto activityid : m_assignedLayouts.keys()) {
         if (m_assignedLayouts[activityid].contains(layoutName)) {
             return true;
         }
     }
 
     return false;
 }
 
 int Synchronizer::centralLayoutPos(QString id) const
 {
     for (int i = 0; i < m_centralLayouts.size(); ++i) {
         CentralLayout *layout = m_centralLayouts.at(i);
 
         if (layout->name() == id) {
             return i;
         }
     }
 
     return -1;
 }
 
 QString Synchronizer::layoutPath(QString layoutName)
 {
     QString path = Layouts::Importer::layoutUserFilePath(layoutName);
 
     if (!QFile(path).exists()) {
         path = "";
     }
 
     return path;
 }
 
 QStringList Synchronizer::activities()
 {
     return m_manager->corona()->activitiesConsumer()->activities();
 }
 
 QStringList Synchronizer::freeActivities()
 {
     QStringList frees = activities();
 
     for(auto assigned : m_assignedLayouts.keys()) {
         frees.removeAll(assigned);
     }
 
     return frees;
 }
 
 QStringList Synchronizer::runningActivities()
 {   
     return m_manager->corona()->activitiesConsumer()->runningActivities();
 }
 
 QStringList Synchronizer::freeRunningActivities()
 {
     QStringList fActivities;
 
     for (const auto &activity : runningActivities()) {
         if (!m_assignedLayouts.contains(activity)) {
             fActivities.append(activity);
         }
     }
 
     return fActivities;
 }
 
 QStringList Synchronizer::validActivities(const QStringList &layoutActivities)
 {
     QStringList valids;
     QStringList allactivities = activities();
 
     for(auto activity : layoutActivities) {
         if (allactivities.contains(activity)) {
             valids << activity;
         }
     }
 
     return valids;
 }
 
 QStringList Synchronizer::centralLayoutsNames()
 {
     QStringList names;
 
     if (m_manager->memoryUsage() == MemoryUsage::SingleLayout) {
         if (m_centralLayouts.count() > 0) {
             names << m_centralLayouts.at(0)->name();
         }
     } else {
         for (int i = 0; i < m_centralLayouts.size(); ++i) {
             CentralLayout *layout = m_centralLayouts.at(i);
             names << layout->name();
         }
     }
 
     return names;
 }
 
 QStringList Synchronizer::currentLayoutsNames() const
 {
     QList<CentralLayout *> currents = currentLayouts();
     QStringList currentNames;
 
     for (int i = 0; i < currents.size(); ++i) {
         CentralLayout *layout = currents.at(i);
         currentNames << layout->name();
     }
 
     return currentNames;
 }
 
 QStringList Synchronizer::layouts() const
 {
     return m_layouts.names();
 }
 
 QStringList Synchronizer::menuLayouts() const
 {
     QStringList menulayouts;
 
     for (int i=0; i<m_layouts.rowCount(); ++i) {
         if (!m_layouts[i].isShownInMenu) {
             continue;
         }
 
         menulayouts << m_layouts[i].name;
     }
 
     for (const auto layout : m_centralLayouts) {
         if (!menulayouts.contains(layout->name())) {
             menulayouts.prepend(layout->name());
         }
     }
 
     menulayouts.sort(Qt::CaseInsensitive);
 
     return menulayouts;
 }
 
 void Synchronizer::setIsSingleLayoutInDeprecatedRenaming(const bool &enabled)
 {
     m_isSingleLayoutInDeprecatedRenaming = enabled;
 }
 
 Data::Layout Synchronizer::data(const QString &storedLayoutName) const
 {
     Data::Layout l;
 
     if (m_layouts.containsName(storedLayoutName)) {
         QString lid = m_layouts.idForName(storedLayoutName);
         return m_layouts[lid];
     }
 
     return l;
 }
 
 Data::LayoutsTable Synchronizer::layoutsTable() const
 {
     return m_layouts;
 }
 
 void Synchronizer::setLayoutsTable(const Data::LayoutsTable &table)
 {
     if (m_layouts == table) {
         return;
     }
 
     m_layouts = table;
     emit layoutsChanged();
 }
 
 void Synchronizer::updateLayoutsTable()
 {
     for (int i = 0; i < m_centralLayouts.size(); ++i) {
         CentralLayout *layout = m_centralLayouts.at(i);
 
         if (m_layouts.containsId(layout->file())) {
             m_layouts[layout->file()] = layout->data();
         }
     }
 
     for (int i = 0; i < m_layouts.rowCount(); ++i) {
         if ((m_layouts[i].errors>0 || m_layouts[i].warnings>0) && !m_layouts[i].isActive) {
             CentralLayout central(this, m_layouts[i].id);
             m_layouts[i].errors = central.errors().count();
             m_layouts[i].warnings = central.warnings().count();
         }
     }
 }
 
 CentralLayout *Synchronizer::centralLayout(QString layoutname) const
 {
     for (int i = 0; i < m_centralLayouts.size(); ++i) {
         CentralLayout *layout = m_centralLayouts.at(i);
 
         if (layout->name() == layoutname) {
             return layout;
         }
     }
 
     return nullptr;
 }
 
 QList<CentralLayout *> Synchronizer::currentLayouts() const
 {
     QList<CentralLayout *> layouts;
     layouts.clear();
 
     if (m_centralLayouts.isEmpty()) {
         return layouts;
     }
 
     if (m_manager->memoryUsage() == MemoryUsage::SingleLayout) {
         layouts << m_centralLayouts[0];
     } else {
         for (auto layout : m_centralLayouts) {
             if (layout->isOnAllActivities() || layout->appliedActivities().contains(m_manager->corona()->activitiesConsumer()->currentActivity())) {
                 layouts << layout;
             }
         }
     }
 
     return layouts;
 }
 
 QList<CentralLayout *> Synchronizer::centralLayoutsForActivity(const QString activityid) const
 {
     QList<CentralLayout *> layouts;
 
     if (m_manager->memoryUsage() == MemoryUsage::SingleLayout && m_centralLayouts.count() >= 1) {
         layouts << m_centralLayouts.at(0);
     } else {
         for (auto layout : m_centralLayouts) {
             if (layout->isOnAllActivities() || layout->appliedActivities().contains(activityid)) {
                 layouts << layout;
             }
         }
     }
 
     return layouts;
 }
 
 QList<Latte::View *> Synchronizer::currentViews() const
 {
     QList<Latte::View *> views;
 
     for(auto layout : currentLayouts()) {
         views << layout->latteViews();
     }
 
     return views;
 }
 
 QList<Latte::View *> Synchronizer::currentOriginalViews() const
 {
     QList<Latte::View *> views;
 
     for(auto layout : currentLayouts()) {
         views << layout->onlyOriginalViews();
     }
 
     return views;
 }
 
 QList<Latte::View *> Synchronizer::currentViewsWithPlasmaShortcuts() const
 {
     QList<Latte::View *> views;
 
     for(auto layout : currentLayouts()) {
         views << layout->viewsWithPlasmaShortcuts();
     }
 
     return views;
 }
 
 QList<Latte::View *> Synchronizer::sortedCurrentViews() const
 {
     return Layout::GenericLayout::sortedLatteViews(currentViews(), m_manager->corona()->screenPool()->primaryScreen());
 }
 
 QList<Latte::View *> Synchronizer::sortedCurrentOriginalViews() const
 {
     return Layout::GenericLayout::sortedLatteViews(currentOriginalViews(), m_manager->corona()->screenPool()->primaryScreen());
 }
 
 QList<Latte::View *> Synchronizer::viewsBasedOnActivityId(const QString &id) const
 {
     QList<Latte::View *> views;
 
     for(auto layout : centralLayoutsForActivity(id)) {
         if (m_centralLayouts.contains(layout)) {
             views << layout->latteViews();
         }
     }
 
     return views;
 }
 
 Layout::GenericLayout *Synchronizer::layout(QString layoutname) const
 {
     Layout::GenericLayout *l = centralLayout(layoutname);
 
     return l;
 }
 
 int Synchronizer::screenForContainment(Plasma::Containment *containment)
 {
     for (auto layout : m_centralLayouts) {
         if (layout->contains(containment)) {
             return layout->screenForContainment(containment);
         }
     }
 
     return -1;
 }
 
 Latte::View *Synchronizer::viewForContainment(uint id)
 {
     for (auto layout : m_centralLayouts) {
         Latte::View *view = layout->viewForContainment(id);
 
         if (view) {
             return view;
         }
     }
 
     return nullptr;
 }
 
 Latte::View *Synchronizer::viewForContainment(Plasma::Containment *containment)
 {
     for (auto layout : m_centralLayouts) {
         Latte::View *view = layout->viewForContainment(containment);
 
         if (view) {
             return view;
         }
     }
 
     return nullptr;
 }
 
 void Synchronizer::addLayout(CentralLayout *layout)
 {
     if (!m_centralLayouts.contains(layout)) {
         m_centralLayouts.append(layout);
     }
 }
 
 void Synchronizer::onActivityRemoved(const QString &activityid)
 {
     if (!m_assignedLayouts.contains(activityid)) {
         return;
     }
 
     //! remove any other explicit set layouts for the current activity
     QStringList explicits = m_assignedLayouts[activityid];
 
     for(auto explicitlayoutname : explicits) {
         QString explicitlayoutid = m_layouts.idForName(explicitlayoutname);
 
         m_layouts[explicitlayoutid].activities.removeAll(activityid);
         m_manager->setOnActivities(explicitlayoutname, m_layouts[explicitlayoutid].activities);
         emit layoutActivitiesChanged(m_layouts[explicitlayoutid]);
     }
 
     QStringList freelayoutnames;
 
     if (m_assignedLayouts.contains(Data::Layout::FREEACTIVITIESID)) {
         freelayoutnames = m_assignedLayouts[Data::Layout::FREEACTIVITIESID];
     }
 
     reloadAssignedLayouts();
 
     for(auto freelayoutname : freelayoutnames) {
         //! inform free activities layouts that their activities probably changed
         CentralLayout *central = centralLayout(freelayoutname);
 
         if (central) {
             emit central->activitiesChanged();
         }
     }
 }
 
 void Synchronizer::updateBorderlessMaximizedAfterTimer()
 {
     //! this signal is also triggered when runningactivities are changed and actually is received first
     //! this is why we need a timer here in order to delay that execution and not activate/deactivate
     //! maximizedborders faulty because syncMultipleLayoutsToActivities(); has not been executed yet
     m_updateBorderlessMaximized.start();
 }
 
 void Synchronizer::hideAllViews()
 {
     for (const auto layout : m_centralLayouts) {
         emit currentLayoutIsSwitching(layout->name());
     }
 }
 
 void Synchronizer::pauseLayout(QString layoutName)
 {
     if (m_manager->memoryUsage() == MemoryUsage::MultipleLayouts) {
         CentralLayout *layout = centralLayout(layoutName);
 
         if (layout->isOnAllActivities()) {
             return;
         }
 
         QStringList appliedactivities = layout->appliedActivities();
 
         if (layout && !appliedactivities.isEmpty()) {
             int i = 0;
 
             for (const auto &activityid : appliedactivities) {
                 //! Stopping the activities must be done asynchronous because otherwise
                 //! the activity manager cant close multiple activities
                 QTimer::singleShot(i * 1000, [this, activityid]() {
                     m_activitiesController->stopActivity(activityid);
                 });
 
                 i = i + 1;
             }
         }
     }
 }
 
 void Synchronizer::syncActiveLayoutsToOriginalFiles()
 {
     if (m_manager->memoryUsage() == MemoryUsage::MultipleLayouts) {
         for (const auto layout : m_centralLayouts) {
             layout->syncToLayoutFile();
         }
     }
 }
 
 void Synchronizer::syncLatteViewsToScreens()
 {
     for (const auto layout : m_centralLayouts) {
         layout->syncLatteViewsToScreens();
     }
 }
 
 void Synchronizer::unloadCentralLayout(CentralLayout *layout)
 {
     int pos = m_centralLayouts.indexOf(layout);
 
     if (pos>=0) {
         CentralLayout *central = m_centralLayouts.takeAt(pos);
 
         if (m_multipleModeInitialized && !m_manager->corona()->inQuit()) {
             central->syncToLayoutFile(true);
         }
 
         central->unloadLatteViews();
         central->unloadContainments();
 
         if (m_multipleModeInitialized && !m_manager->corona()->inQuit()) {
             m_manager->clearUnloadedContainmentsFromLinkedFile(central->unloadedContainmentsIds(), true);
         }
 
         delete central;
     }
 }
 
 void Synchronizer::initLayouts()
 {
     m_layouts.clear();
 
     QDir layoutDir(Layouts::Importer::layoutUserDir());
     QStringList filter;
     filter.append(QString("*.layout.latte"));
     QStringList files = layoutDir.entryList(filter, QDir::Files | QDir::NoSymLinks);
 
     for (const auto &layout : files) {
         if (layout.contains(Layout::MULTIPLELAYOUTSHIDDENNAME)) {
             //! IMPORTANT: DON'T ADD MultipleLayouts hidden file in layouts list
             continue;
         }
 
         QString layoutpath = layoutDir.absolutePath() + "/" + layout;
         onLayoutAdded(layoutpath);
     }
 
     emit layoutsChanged();
 
     if (!m_isLoaded) {
         m_isLoaded = true;
         connect(m_manager->corona()->templatesManager(), &Latte::Templates::Manager::newLayoutAdded, this, &Synchronizer::onLayoutAdded);
         connect(m_manager->importer(), &Latte::Layouts::Importer::newLayoutAdded, this, &Synchronizer::onLayoutAdded);
     }
 }
 
 void Synchronizer::onLayoutAdded(const QString &layout)
 {
     CentralLayout centrallayout(this, layout);
     m_layouts.insertBasedOnName(centrallayout.data());
 
     if (m_isLoaded) {
         emit layoutsChanged();
     }
 }
 
 void Synchronizer::reloadAssignedLayouts()
 {
     m_assignedLayouts.clear();
 
     for (int i=0; i< m_layouts.rowCount(); ++i) {
         for (const auto &activity : m_layouts[i].activities) {
             if (m_assignedLayouts.contains(activity)) {
                 m_assignedLayouts[activity] << m_layouts[i].name;
             } else {
                 m_assignedLayouts[activity] = QStringList(m_layouts[i].name);
             }
         }
     }
 }
 
 void Synchronizer::unloadLayouts()
 {
     //! Unload all CentralLayouts
     while (!m_centralLayouts.isEmpty()) {
         CentralLayout *layout = m_centralLayouts.at(0);
         unloadCentralLayout(layout);
     }
 
     m_multipleModeInitialized = false;
 }
 
 void Synchronizer::unloadPreloadedLayouts()
 {
     QStringList currentnames;
     QStringList preloadednames = Layouts::Storage::self()->storedLayoutsInMultipleFile();
 
     for(auto l : m_centralLayouts) {
         if (l) {
             currentnames << l->name();
         }
     }
 
     for(auto lname : preloadednames) {
         if (!currentnames.contains(lname)) {
             Layouts::Storage::self()->moveToLayoutFile(lname);
         }
     }
 }
 
 bool Synchronizer::memoryInitialized() const
 {
     return ((m_manager->memoryUsage() == MemoryUsage::SingleLayout && m_centralLayouts.size()>0)
             || (m_manager->memoryUsage() == MemoryUsage::MultipleLayouts && m_multipleModeInitialized));
 }
 
 bool Synchronizer::initSingleMode(QString layoutName)
 {
     QString layoutpath = layoutName.isEmpty() ? layoutPath(m_manager->corona()->universalSettings()->singleModeLayoutName()) : layoutPath(layoutName);
 
     if (layoutpath.isEmpty()) {
         qDebug() << "Layout : " << layoutName << " was not found...";
         return false;
     }
 
     if (m_centralLayouts.size() > 0) {
         emit currentLayoutIsSwitching(m_centralLayouts[0]->name());
     }
 
     //! this code must be called asynchronously because it can create crashes otherwise.
     //! Tasks plasmoid case that triggers layouts switching through its context menu
     QTimer::singleShot(LAYOUTSINITINTERVAL, [this, layoutName, layoutpath]() {
         qDebug() << " ... initializing layout in single mode : " << layoutName << " - " << layoutpath;
         unloadPreloadedLayouts();
         unloadLayouts();
 
         //! load the main single layout/corona file
         CentralLayout *newLayout = new CentralLayout(this, layoutpath, layoutName);
 
         //! Order of initialization steps is very important and guarantees correct startup initialization
         //! Step1: corona is set for the layout
         //! Step2: containments from file are loaded into main corona
         //! Step3: layout connects to corona signals and slots
         //! Step4: layout is added in manager and is accesible for others to find
         //! Step5: layout is attaching its initial containmens and is now considered ACTIVE
         newLayout->setCorona(m_manager->corona()); //step1
         m_manager->loadLatteLayout(layoutpath);    //step2
         newLayout->initCorona();                   //step3
         addLayout(newLayout);                      //step4
         newLayout->initContainments();             //step5
 
         emit centralLayoutsChanged();
 
         if (m_isSingleLayoutInDeprecatedRenaming) {
             QString deprecatedlayoutpath = layoutPath(m_manager->corona()->universalSettings()->singleModeLayoutName());
 
             if (!deprecatedlayoutpath.isEmpty()) {
                 qDebug() << "Removing Deprecated single layout after renaming:: " << m_manager->corona()->universalSettings()->singleModeLayoutName();
                 QFile(deprecatedlayoutpath).remove();
             }
 
             m_isSingleLayoutInDeprecatedRenaming = false;
         }
 
         m_manager->corona()->universalSettings()->setSingleModeLayoutName(layoutName);
         m_manager->importer()->setMultipleLayoutsStatus(Latte::MultipleLayouts::Uninitialized);
         emit initializationFinished();
     });
 
     return true;
 }
 
 bool Synchronizer::initMultipleMode(QString layoutName)
 {
     if (m_multipleModeInitialized) {
         return false;
     }
 
     for (const auto layout : m_centralLayouts) {
         emit currentLayoutIsSwitching(layout->name());
     }
 
     //! this code must be called asynchronously because it can create crashes otherwise.
     //! Tasks plasmoid case that triggers layouts switching through its context menu
     QTimer::singleShot(LAYOUTSINITINTERVAL, [this, layoutName]() {
         qDebug() << " ... initializing layout in multiple mode : " << layoutName ;
         unloadLayouts();
 
         QStringList layoutsinmultiplestorage = Layouts::Storage::self()->storedLayoutsInMultipleFile();
         qDebug() << "Preloaded Multiple Layouts in Storage :: " << layoutsinmultiplestorage;
 
         m_manager->loadLatteLayout(layoutPath(QString(Layout::MULTIPLELAYOUTSHIDDENNAME)));
 
         m_multipleModeInitialized = true;
 
         emit centralLayoutsChanged();
 
         if (!layoutName.isEmpty()) {
             switchToLayoutInMultipleModeBasedOnActivities(layoutName);
         }
 
         syncMultipleLayoutsToActivities(layoutsinmultiplestorage);
         m_manager->importer()->setMultipleLayoutsStatus(Latte::MultipleLayouts::Running);
         emit initializationFinished();
     });
 
     return true;
 }
 
 bool Synchronizer::switchToLayoutInSingleMode(QString layoutName)
 {
     if (!memoryInitialized() || m_manager->memoryUsage() != MemoryUsage::SingleLayout) {
         return false;
     }
 
     if (m_centralLayouts.size()>0 && m_centralLayouts[0]->name() == layoutName) {
         return true;
     }
 
     return initSingleMode(layoutName);
 }
 
 bool Synchronizer::switchToLayoutInMultipleModeBasedOnActivities(const QString &layoutName)
 {
     Data::Layout layoutdata;
     CentralLayout *central = centralLayout(layoutName);
 
     if (central) {
         layoutdata = central->data();
     } else if (m_layouts.containsName(layoutName)) {
         QString layoutid = m_layouts.idForName(layoutName);
         CentralLayout storagedlayout(this, layoutid);
         layoutdata = storagedlayout.data();
 
         m_layouts[layoutid] = layoutdata;
     }
 
     if (layoutdata.isEmpty()) {
         return false;
     }
 
     QString switchToActivity;
 
     //! try to not remove activityids that belong to different machines that are not currently present
     QStringList validlayoutactivities = validActivities(layoutdata.activities);
 
     if (layoutdata.isOnAllActivities()) {
         //! no reason to switch in any activity;
     } else if (layoutdata.isForFreeActivities()) {
         //! free-activities case
         QStringList freerunningactivities = freeRunningActivities();
 
         if (freerunningactivities.count() > 0) {
             if (freerunningactivities.contains(layoutdata.lastUsedActivity)) {
                 switchToActivity = layoutdata.lastUsedActivity;
             } else {
                 switchToActivity = freerunningactivities[0];
             }
         } else {
             QStringList freepausedactivities = freeActivities();
 
             if (freepausedactivities.count() > 0) {
                 switchToActivity = freepausedactivities[0];
             }
         }
     } else if (!validlayoutactivities.isEmpty())  {
         //! set on-explicit activities
         QStringList allactivities = activities();
 
         if (validlayoutactivities.contains(layoutdata.lastUsedActivity)) {
             switchToActivity = layoutdata.lastUsedActivity;
         } else {
             switchToActivity = validlayoutactivities[0];
         }
     } else if (validlayoutactivities.isEmpty() && m_layouts.containsName(layoutName)) {
         //! no-activities are set
         //! has not been set in any activities but nonetheless it is requested probably by the user
         //! requested layout is assigned explicitly in current activity and any remaining explicit layouts
         //! are removing current activity from their activities list
         QString layoutid = m_layouts.idForName(layoutName);
         QString currentactivityid = m_activitiesController->currentActivity();
 
         QStringList layoutIdsChanged;
 
         m_layouts[layoutid].activities.append(currentactivityid);
         m_manager->setOnActivities(layoutName, m_layouts[layoutid].activities);
         emit layoutActivitiesChanged(m_layouts[layoutid]);
 
         layoutIdsChanged << layoutid;
 
         if (m_assignedLayouts.contains(currentactivityid)) {
             //! remove any other explicit set layouts for the current activity
             QStringList explicits = m_assignedLayouts[currentactivityid];
 
             for(auto explicitlayoutname : explicits) {
                 QString explicitlayoutid = m_layouts.idForName(explicitlayoutname);
 
                 m_layouts[explicitlayoutid].activities.removeAll(currentactivityid);
                 m_manager->setOnActivities(explicitlayoutname, m_layouts[explicitlayoutid].activities);
                 emit layoutActivitiesChanged(m_layouts[explicitlayoutid]);
             }
         }
 
         QStringList freelayoutnames;
         if (m_assignedLayouts.contains(Data::Layout::FREEACTIVITIESID)) {
             freelayoutnames = m_assignedLayouts[Data::Layout::FREEACTIVITIESID];
         }
 
         reloadAssignedLayouts();
 
         for(auto freelayoutname : freelayoutnames) {
             //! inform free activities layouts that their activities probably changed
             CentralLayout *central = centralLayout(freelayoutname);
 
             if (central) {
                 emit central->activitiesChanged();
             }
         }
     }
 
     if (!switchToActivity.isEmpty()) {
         if (!m_manager->corona()->activitiesConsumer()->runningActivities().contains(switchToActivity)) {
             m_activitiesController->startActivity(switchToActivity);
         }
 
         m_activitiesController->setCurrentActivity(switchToActivity);
     }
 
     return true;
 }
 
 bool Synchronizer::switchToLayoutInMultipleMode(QString layoutName)
 {
     if (!memoryInitialized() || m_manager->memoryUsage() != MemoryUsage::MultipleLayouts) {
         return false;
     }
 
     CentralLayout *layout = centralLayout(layoutName);
 
     if (layout) {
         QStringList appliedActivities = layout->appliedActivities();
         QString nextActivity = !layout->lastUsedActivity().isEmpty() ? layout->lastUsedActivity() : appliedActivities[0];
 
         if (!appliedActivities.contains(m_manager->corona()->activitiesConsumer()->currentActivity())) {
             //! it means we are at a foreign activity and we can switch to correct one
             m_activitiesController->setCurrentActivity(nextActivity);
             return true;
         }
     } else {
         if (!layoutName.isEmpty()) {
             switchToLayoutInMultipleModeBasedOnActivities(layoutName);
         }
 
         syncMultipleLayoutsToActivities();
     }
 
     return true;
 }
 
 
 bool Synchronizer::switchToLayout(QString layoutName, MemoryUsage::LayoutsMemory newMemoryUsage)
 {
     qDebug() << " >>>>> SWITCHING >> " << layoutName << " __ from memory: " << m_manager->memoryUsage() << " to memory: " << newMemoryUsage;
 
     if (newMemoryUsage == MemoryUsage::Current) {
         newMemoryUsage = m_manager->memoryUsage();
     }
 
     if (!memoryInitialized() || newMemoryUsage != m_manager->memoryUsage()) {
         //! Initiate Layouts memory properly
         m_manager->setMemoryUsage(newMemoryUsage);
 
         return (newMemoryUsage == MemoryUsage::SingleLayout ? initSingleMode(layoutName) : initMultipleMode(layoutName));
     }
 
     if (m_manager->memoryUsage() == MemoryUsage::SingleLayout) {
         return switchToLayoutInSingleMode(layoutName);
     } else {
         return switchToLayoutInMultipleMode(layoutName);
     }
 }
 
 void Synchronizer::syncMultipleLayoutsToActivities(QStringList preloadedLayouts)
 {
     qDebug() << "   ----  --------- ------    syncMultipleLayoutsToActivities       -------   ";
     qDebug() << "   ----  --------- ------    -------------------------------       -------   ";
 
     QStringList layoutNamesToUnload;
     QStringList layoutNamesToLoad;
     QStringList currentNames = centralLayoutsNames();
 
     //! discover OnAllActivities layouts
     if (m_assignedLayouts.contains(Data::Layout::ALLACTIVITIESID)) {
         layoutNamesToLoad << m_assignedLayouts[Data::Layout::ALLACTIVITIESID];
     }
 
     //! discover ForFreeActivities layouts
     if (m_assignedLayouts.contains(Data::Layout::FREEACTIVITIESID) && freeRunningActivities().count()>0) {
         layoutNamesToLoad << m_assignedLayouts[Data::Layout::FREEACTIVITIESID];
     }
 
     //! discover layouts assigned to explicit activities based on running activities
     for (const auto &activity : runningActivities()) {
         if (m_assignedLayouts.contains(activity)) {
             layoutNamesToLoad << m_assignedLayouts[activity];
         }
     }
 
     //! discover layouts that must be unloaded because of running activities changes
     for (const auto layout : m_centralLayouts) {
         if (!layoutNamesToLoad.contains(layout->name())) {
             layoutNamesToUnload << layout->name();
         }
     }
 
     for (const auto lname : preloadedLayouts) {
         if (!layoutNamesToLoad.contains(lname)) {
             layoutNamesToUnload << lname;
         }
     }
 
     QString defaultForcedLayout;
 
     //! Safety
     if (layoutNamesToLoad.isEmpty()) {
         //! If no layout is found then force loading Default Layout
         QString layoutPath = m_manager->corona()->templatesManager()->newLayout("", i18n(Templates::DEFAULTLAYOUTTEMPLATENAME));
         layoutNamesToLoad << Layout::AbstractLayout::layoutName(layoutPath);
         m_manager->setOnAllActivities(layoutNamesToLoad[0]);
         defaultForcedLayout = layoutNamesToLoad[0];
     }
 
     QStringList newlyActivatedLayouts;
 
     //! Add needed Layouts based on Activities settings
     for (const auto &layoutname : layoutNamesToLoad) {
         if (!centralLayout(layoutname)) {
             CentralLayout *newLayout = new CentralLayout(this, QString(layoutPath(layoutname)), layoutname);
 
             if (newLayout) {
                 qDebug() << "ACTIVATING LAYOUT ::::: " << layoutname;
 
                 //! Order of initialization steps is very important and guarantees correct startup initialization
                 //! Step1: corona is set for the layout
                 //! Step2: containments from the layout file are adjusted and are imported into main corona
                 //! Step3: layout connects to corona signals and slots
                 //! Step4: layout is added in manager and is accesible for others to find
                 //! Step5: layout is attaching its initial containmens and is now considered ACTIVE
                 newLayout->setCorona(m_manager->corona()); //step1
                 if (!preloadedLayouts.contains(layoutname)) {
                     newLayout->importToCorona();           //step2
                 }
                 newLayout->initCorona();                   //step3
                 addLayout(newLayout);                      //step4
                 newLayout->initContainments();             //step5
 
                 if (!defaultForcedLayout.isEmpty() && defaultForcedLayout == layoutname) {
                     emit newLayoutAdded(newLayout->data());
                 }
 
                 newlyActivatedLayouts << newLayout->name();
             }
         }
     }
 
     if (newlyActivatedLayouts.count()>0 && m_manager->corona()->universalSettings()->showInfoWindow()) {
         m_manager->showInfoWindow(i18np("Activating layout: <b>%2</b> ...",
                                         "Activating layouts: <b>%2</b> ...",
                                         newlyActivatedLayouts.count(),
                                         newlyActivatedLayouts.join(", ")),
                                   4000, QStringList(Data::Layout::ALLACTIVITIESID));
     }
 
     //! Unload no needed Layouts
 
     //! hide layouts that will be removed in the end
     if (!layoutNamesToUnload.isEmpty()) {
         for (const auto layoutname : layoutNamesToUnload) {
             emit currentLayoutIsSwitching(layoutname);
         }
 
         QTimer::singleShot(LAYOUTSINITINTERVAL, [this, layoutNamesToUnload, preloadedLayouts]() {
             unloadLayouts(layoutNamesToUnload, preloadedLayouts);
         });
     }
 
     currentNames.sort();
     layoutNamesToLoad.sort();
 
     if (currentNames != layoutNamesToLoad) {
         emit centralLayoutsChanged();
     }
 }
 
 void Synchronizer::unloadLayouts(const QStringList &layoutNames, const QStringList &preloadedLayouts)
 {
     if (layoutNames.isEmpty()) {
         return;
     }
 
     //! Unload no needed Layouts
     for (const auto &layoutname : layoutNames) {
         CentralLayout *layout = centralLayout(layoutname);
         int posLayout = centralLayoutPos(layoutname);
 
         if (posLayout >= 0) {
             qDebug() << "REMOVING LAYOUT ::::: " << layoutname;
             m_centralLayouts.removeAt(posLayout);
 
             if (!m_manager->corona()->inQuit()) {
                 layout->syncToLayoutFile(true);
             }
 
             layout->unloadContainments();
             layout->unloadLatteViews();
             if (!m_manager->corona()->inQuit()) {
                 m_manager->clearUnloadedContainmentsFromLinkedFile(layout->unloadedContainmentsIds());
             }
             delete layout;
         } else if (preloadedLayouts.contains(layoutname)) {
             Layouts::Storage::self()->moveToLayoutFile(layoutname);
             //! just make sure that
         }
     }
 
     emit centralLayoutsChanged();
 }
 
 void Synchronizer::updateKWinDisabledBorders()
 {
     if (KWindowSystem::isPlatformWayland()) {
         // BUG: https://bugs.kde.org/show_bug.cgi?id=428202
         // KWin::reconfigure() function blocks/freezes Latte under wayland
         return;
     }
 
     if (!m_manager->corona()->universalSettings()->canDisableBorders()) {
         m_manager->corona()->universalSettings()->kwin_setDisabledMaximizedBorders(false);
     } else {
         if (m_manager->corona()->layoutsManager()->memoryUsage() == MemoryUsage::SingleLayout && m_centralLayouts.size() > 0) {
             m_manager->corona()->universalSettings()->kwin_setDisabledMaximizedBorders(m_centralLayouts.at(0)->disableBordersForMaximizedWindows());
         } else if (m_manager->corona()->layoutsManager()->memoryUsage() == MemoryUsage::MultipleLayouts) {
             QList<CentralLayout *> centrals = centralLayoutsForActivity(m_manager->corona()->activitiesConsumer()->currentActivity());
 
             for (int i = 0; i < centrals.size(); ++i) {
                 CentralLayout *layout = centrals.at(i);
 
                 if (layout->disableBordersForMaximizedWindows()) {
                     m_manager->corona()->universalSettings()->kwin_setDisabledMaximizedBorders(true);
                     return;
                 }
             }
 
             //! avoid initialization step for example during startup that no layouts have been loaded yet
             if (centrals.size() > 0) {
                 m_manager->corona()->universalSettings()->kwin_setDisabledMaximizedBorders(false);
             }
 
         }
     }
 }
 
 }
 } // end of namespace