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From 3d32ab1848011a3a7af97255307b3541a7553b09 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20M=C3=BCllner?= <fmuellner@gnome.org>
Date: Wed, 14 Dec 2022 16:55:51 +0100
Subject: [PATCH] classification-banner: Handle fullscreen monitors

When a monitor is in fullscreen, we don't want its classification
banner to be offset by an imaginary panel, but at the top of the
screen.
---
 extensions/classification-banner/extension.js | 22 +++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/extensions/classification-banner/extension.js b/extensions/classification-banner/extension.js
index 6c2fe007..1cf03b3f 100644
--- a/extensions/classification-banner/extension.js
+++ b/extensions/classification-banner/extension.js
@@ -27,16 +27,19 @@ const Main = imports.ui.main;
 const ClassificationBanner = GObject.registerClass(
 class ClassificationBanner extends Clutter.Actor {
     _init(index) {
+        const constraint = new Layout.MonitorConstraint({index});
         super._init({
             layout_manager: new Clutter.BinLayout(),
-            constraints: new Layout.MonitorConstraint({
-                work_area: true,
-                index,
-            }),
+            constraints: constraint,
         });
+        this._monitorConstraint = constraint;
 
         this._settings = ExtensionUtils.getSettings();
         this.connect('destroy', () => {
+            if (this._fullscreenChangedId)
+                global.display.disconnect(this._fullscreenChangedId);
+            delete this._fullscreenChangedId;
+
             if (this._settings)
                 this._settings.run_dispose();
             this._settings = null;
@@ -95,6 +98,11 @@ class ClassificationBanner extends Clutter.Actor {
             userLabel, 'visible',
             Gio.SettingsBindFlags.GET);
 
+        this._fullscreenChangedId =
+            global.display.connect('in-fullscreen-changed',
+                () => this._updateMonitorConstraint());
+        this._updateMonitorConstraint();
+
         this._settings.connect('changed::color',
             () => this._updateStyles());
         this._settings.connect('changed::background-color',
@@ -111,6 +119,12 @@ class ClassificationBanner extends Clutter.Actor {
         return `${key}: rgba(${red},${green},${blue},${alpha / 255});`;
     }
 
+    _updateMonitorConstraint() {
+        const {index} = this._monitorConstraint;
+        this._monitorConstraint.work_area =
+            !global.display.get_monitor_in_fullscreen(index);
+    }
+
     _updateStyles() {
         const bgStyle = this._getColorSetting('background-color');
         const fgStyle = this._getColorSetting('color');
-- 
2.38.1