js: Get monitor manager from backend

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2557>

js/misc/introspect.js

@@ -54,7 +54,7 @@ var IntrospectService = class {
             this._syncAnimationsEnabled.bind(this));
         this._syncAnimationsEnabled();
 
-        const monitorManager = Meta.MonitorManager.get();
+        const monitorManager = global.backend.get_monitor_manager();
         monitorManager.connect('monitors-changed',
             this._syncScreenSize.bind(this));
         this._syncScreenSize();

js/misc/systemActions.js

@@ -1,5 +1,5 @@
 /* exported getDefault */
-const { AccountsService, Clutter, Gdm, Gio, GLib, GObject, Meta } = imports.gi;
+const {AccountsService, Clutter, Gdm, Gio, GLib, GObject} = imports.gi;
 
 const GnomeSession = imports.misc.gnomeSession;
 const LoginManager = imports.misc.loginManager;
@@ -149,7 +149,7 @@ const SystemActions = GObject.registerClass({
 
         this._session = new GnomeSession.SessionManager();
         this._loginManager = LoginManager.getLoginManager();
-        this._monitorManager = Meta.MonitorManager.get();
+        this._monitorManager = global.backend.get_monitor_manager();
 
         this._userManager = AccountsService.UserManager.get_default();
 

js/ui/background.js

@@ -555,7 +555,7 @@ var BackgroundSource = class BackgroundSource {
         this._settings = new Gio.Settings({ schema_id: settingsSchema });
         this._backgrounds = [];
 
-        let monitorManager = Meta.MonitorManager.get();
+        const monitorManager = global.backend.get_monitor_manager();
         this._monitorsChangedId =
             monitorManager.connect('monitors-changed',
                                    this._onMonitorsChanged.bind(this));
@@ -630,7 +630,7 @@ var BackgroundSource = class BackgroundSource {
     }
 
     destroy() {
-        let monitorManager = Meta.MonitorManager.get();
+        const monitorManager = global.backend.get_monitor_manager();
         monitorManager.disconnect(this._monitorsChangedId);
 
         for (let monitorIndex in this._backgrounds) {

js/ui/layout.js

@@ -329,7 +329,7 @@ var LayoutManager = GObject.registerClass({
         display.connect('in-fullscreen-changed',
                         this._updateFullscreen.bind(this));
 
-        let monitorManager = Meta.MonitorManager.get();
+        const monitorManager = global.backend.get_monitor_manager();
         monitorManager.connect('monitors-changed',
                                this._monitorsChanged.bind(this));
         this._monitorsChanged();

js/ui/osdMonitorLabeler.js

@@ -47,7 +47,7 @@ class OsdMonitorLabel extends St.Widget {
 
 var OsdMonitorLabeler = class {
     constructor() {
-        this._monitorManager = Meta.MonitorManager.get();
+        this._monitorManager = global.backend.get_monitor_manager();
         this._client = null;
         this._clientWatchId = 0;
         this._osdLabels = [];

js/ui/shellDBus.js

@@ -127,7 +127,7 @@ var GnomeShell = class {
 
         let monitorIndex = -1;
         if (connector) {
-            let monitorManager = Meta.MonitorManager.get();
+            const monitorManager = global.backend.get_monitor_manager();
             monitorIndex = monitorManager.get_monitor_for_connector(connector);
         }
 

js/ui/switchMonitor.js

@@ -55,14 +55,14 @@ class SwitchMonitorPopup extends SwitcherPopup.SwitcherPopup {
     }
 
     show(backward, binding, mask) {
-        if (!Meta.MonitorManager.get().can_switch_config())
+        if (!global.backend.get_monitor_manager().can_switch_config())
             return false;
 
         return super.show(backward, binding, mask);
     }
 
     _initialSelection() {
-        let currentConfig = Meta.MonitorManager.get().get_switch_config();
+        let currentConfig = global.backend.get_monitor_manager().get_switch_config();
         let selectConfig = (currentConfig + 1) % this._items.length;
         this._select(selectConfig);
     }

js/ui/unlockDialog.js

@@ -3,7 +3,7 @@
 
 const {
     AccountsService, Atk, Clutter, Gdm, Gio,
-    GnomeDesktop, GLib, GObject, Meta, Shell, St,
+    GnomeDesktop, GLib, GObject, Shell, St,
 } = imports.gi;
 
 const Background = imports.ui.background;
@@ -337,7 +337,7 @@ class UnlockDialogClock extends St.BoxLayout {
         this._seat.connectObject('notify::touch-mode',
             this._updateHint.bind(this), this);
 
-        this._monitorManager = Meta.MonitorManager.get();
+        this._monitorManager = global.backend.get_monitor_manager();
         this._monitorManager.connectObject('power-save-mode-changed',
             () => (this._hint.opacity = 0), this);
 

js/ui/windowManager.js

@@ -56,7 +56,8 @@ class DisplayChangeDialog extends ModalDialog.ModalDialog {
 
         this._wm = wm;
 
-        this._countDown = Meta.MonitorManager.get_display_configuration_timeout();
+        const monitorManager = global.backend.get_monitor_manager();
+        this._countDown = monitorManager.get_display_configuration_timeout();
 
         // Translators: This string should be shorter than 30 characters
         let title = _('Keep these display settings?');