File indexing completed on 2024-04-28 16:55:02

 /*
     SPDX-FileCopyrightText: 2008 Aaron Seigo <aseigo@kde.org>
     SPDX-FileCopyrightText: 2013 Sebastian Kügler <sebas@kde.org>
     SPDX-FileCopyrightText: 2013 Ivan Cukic <ivan.cukic@kde.org>
     SPDX-FileCopyrightText: 2013 Marco Martin <mart@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #pragma once
 
 #include "config-X11.h"
 #include "plasma/corona.h"
 
 #include <QDBusContext>
 #include <QDBusVariant>
 #include <QPointer>
 #include <QSet>
 #include <QTimer>
 
 #include <KConfigWatcher>
 #include <KPackage/Package>
 
 class DesktopView;
 class PanelView;
 class QMenu;
 class QScreen;
 class ScreenPool;
 class StrutManager;
 class ShellContainmentConfig;
 
 namespace KActivities
 {
 class Controller;
 } // namespace KActivities
 
 namespace KDeclarative
 {
 class QmlObjectSharedEngine;
 } // namespace KDeclarative
 
 namespace KScreen
 {
 class Output;
 } // namespace KScreen
 
 namespace Plasma
 {
 class Applet;
 } // namespace Plasma
 
 namespace KWayland
 {
 namespace Client
 {
 class PlasmaShell;
 class PlasmaShellSurface;
 class PlasmaWindow;
 class PlasmaWindowManagement;
 }
 }
 
 class ShellCorona : public Plasma::Corona, QDBusContext
 {
     Q_OBJECT
     Q_PROPERTY(QString shell READ shell WRITE setShell)
     Q_PROPERTY(int numScreens READ numScreens)
     Q_CLASSINFO("D-Bus Interface", "org.kde.PlasmaShell")
 
 public:
     explicit ShellCorona(QObject *parent = nullptr);
     ~ShellCorona() override;
 
     KPackage::Package lookAndFeelPackage();
     void init();
 
     /**
      * Where to save global configuration that doesn't have anything to do with the scene (e.g. views)
      */
     KSharedConfig::Ptr applicationConfig();
 
     int numScreens() const override;
     Q_INVOKABLE QRect screenGeometry(int id) const override;
     Q_INVOKABLE QRegion availableScreenRegion(int id) const override;
     Q_INVOKABLE QRect availableScreenRect(int id) const override;
 
     // plasmashellCorona's value
     QRegion _availableScreenRegion(int id) const;
     QRect _availableScreenRect(int id) const;
 
     Q_INVOKABLE QStringList availableActivities() const;
 
     PanelView *panelView(Plasma::Containment *containment) const;
     void savePreviousWindow();
     void restorePreviousWindow();
     void clearPreviousWindow();
 
     // This one is a bit of an hack but are just for desktop scripting
     void insertActivity(const QString &id, const QString &plugin);
 
     Plasma::Containment *setContainmentTypeForScreen(int screen, const QString &plugin);
 
     void removeDesktop(DesktopView *desktopView);
 
     /**
      * @returns a new containment associated with the specified @p activity and @p screen.
      */
     Plasma::Containment *createContainmentForActivity(const QString &activity, int screenNum);
 
     KWayland::Client::PlasmaShell *waylandPlasmaShellInterface() const;
 
     ScreenPool *screenPool() const;
 
     QList<int> screenIds() const;
 
     QString defaultContainmentPlugin() const;
 
     static QString defaultShell();
 
     // Set all Desktop containments (for all activities) associated to a given screen to this new screen.
     // swapping ones that had newScreen to oldScreen if existing. Panels are ignored
     void swapDesktopScreens(int oldScreen, int newScreen);
 
     // Set a single containment to a new screen.
     // If it is a Desktop contaiment, swap it with the other containment that was associated with same screen and activity if existent
     void setScreenForContainment(Plasma::Containment *containment, int screen);
 
     // Grab a screenshot of the contaiment if it has a view in an async fashion
     // containmentPreviewReady will be emitted when done
     // If there is no view, this will have no effect
     void grabContainmentPreview(Plasma::Containment *containment);
 
     // If a containment preview has been grabbed, for this containment, return its path
     QString containmentPreviewPath(Plasma::Containment *containment) const;
 
     /**
      * Whether "accent color from wallpaper" option is enabled in global settings
      */
     bool accentColorFromWallpaperEnabled() const;
 
 Q_SIGNALS:
     void glInitializationFailed();
     // A preview for this containment has been rendered and saved to disk
     void containmentPreviewReady(Plasma::Containment *containment, const QString &path);
     void accentColorFromWallpaperEnabledChanged();
     void colorChanged(const QColor &color);
     // This API is used only by autotests, do we need something else?
     void screenOrderChanged(QList<QScreen *> screens);
 
 public Q_SLOTS:
     /**
      * Request saving applicationConfig on disk, it's event compressed, not immediate
      */
     void requestApplicationConfigSync();
 
     /**
      * Cycle through all panels
      */
     void slotCyclePanelFocus();
 
     /**
      * Sets the shell that the corona should display
      */
     void setShell(const QString &shell);
 
     /**
      * Gets the currently shown shell
      */
     QString shell() const;
 
     /// DBUS methods
     void toggleDashboard();
     void setDashboardShown(bool show);
     void toggleActivityManager();
     void toggleWidgetExplorer();
     QString evaluateScript(const QString &string);
     void activateLauncherMenu();
     QRgb color() const;
 
     QByteArray dumpCurrentLayoutJS() const;
 
     /**
      * loads the shell layout from a look and feel package,
      * resetting it to the default layout exported in the
      * look and feel package
      */
     void loadLookAndFeelDefaultLayout(const QString &layout);
 
     Plasma::Containment *addPanel(const QString &plugin);
 
     void nextActivity();
     void previousActivity();
     void stopCurrentActivity();
 
     void setTestModeLayout(const QString &layout)
     {
         m_testModeLayout = layout;
     }
 
     int panelCount() const
     {
         return m_panelViews.count();
     }
 
     void refreshCurrentShell();
 
 protected Q_SLOTS:
     /**
      * Loads the layout and performs the needed checks
      */
     void load();
 
     /**
      * Unloads everything
      */
     void unload();
 
     /**
      * Loads the default (system wide) layout for this user
      **/
     void loadDefaultLayout() override;
 
     /**
      * Execute any update script
      */
     void processUpdateScripts();
 
     int screenForContainment(const Plasma::Containment *containment) const override;
 
     void showAlternativesForApplet(Plasma::Applet *applet);
 
 private Q_SLOTS:
     void createWaitingPanels();
     void handleContainmentAdded(Plasma::Containment *c);
     void syncAppConfig();
     void checkActivities();
     void currentActivityChanged(const QString &newActivity);
     void activityAdded(const QString &id);
     void activityRemoved(const QString &id);
     void checkAddPanelAction();
     void addPanel();
     void addPanel(QAction *action);
     void populateAddPanelsMenu();
 
     void addOutput(QScreen *screen);
 
     void panelContainmentDestroyed(QObject *cont);
     void handleScreenRemoved(QScreen *screen);
     void handleScreenOrderChanged(QList<QScreen *> screens);
 
     void activateTaskManagerEntry(int index);
 
 private:
     void sanitizeScreenLayout(const QString &configFileName);
     void updateStruts();
     void configurationChanged(const QString &path);
     DesktopView *desktopForScreen(QScreen *screen) const;
     void setupWaylandIntegration();
     void executeSetupPlasmoidScript(Plasma::Containment *containment, Plasma::Applet *applet);
     void checkAllDesktopsUiReady(bool ready);
     void activateLauncherMenu(const QString &screenName);
     void handleColorRequestedFromDBus(const QDBusMessage &msg);
 
 #ifndef NDEBUG
     void screenInvariants() const;
 #endif
 
     KSharedConfig::Ptr m_config;
     QString m_configPath;
 
     // Accent color setting
     KConfigWatcher::Ptr m_accentColorConfigWatcher;
     bool m_accentColorFromWallpaperEnabled = false;
     QMetaObject::Connection m_fakeColorRequestConn;
 
     ScreenPool *m_screenPool;
     QString m_shell;
     KActivities::Controller *m_activityController;
     QMap<const Plasma::Containment *, PanelView *> m_panelViews;
     // map from QScreen to desktop view
     QHash<int, DesktopView *> m_desktopViewForScreen;
     QHash<const Plasma::Containment *, int> m_pendingScreenChanges;
     KConfigGroup m_desktopDefaultsConfig;
     KConfigGroup m_lnfDefaultsConfig;
     QList<Plasma::Containment *> m_waitingPanels;
     QHash<QString, QString> m_activityContainmentPlugins;
     QAction *m_addPanelAction;
     std::unique_ptr<QMenu> m_addPanelsMenu;
     KPackage::Package m_lookAndFeelPackage;
 
     // Used to restore the previous activated window after the panel loses focus
     KWayland::Client::PlasmaShellSurface *m_shellSurface = nullptr;
 #if HAVE_X11
     WId m_previousWId = 0;
 #endif
     bool m_blockRestorePreviousWindow = false;
 
     QTimer m_waitingPanelsTimer;
     QTimer m_appConfigSyncTimer;
 #ifndef NDEBUG
     QTimer m_invariantsTimer;
 #endif
     KWayland::Client::PlasmaShell *m_waylandPlasmaShell;
     // For getting the active window on Wayland
     KWayland::Client::PlasmaWindowManagement *m_waylandWindowManagement = nullptr;
     QPointer<KWayland::Client::PlasmaWindow> m_previousPlasmaWindow;
     bool m_closingDown : 1;
     bool m_screenReorderInProgress = false;
     QString m_testModeLayout;
 
     StrutManager *m_strutManager;
     QPointer<ShellContainmentConfig> m_shellContainmentConfig;
     friend class ShellTest;
 };