Use window icons in overview if available

Resolves: RHEL-24713

0001-windowPreview-Override-with-window-icon-if-available.patch

@@ -0,0 +1,46 @@
+From 1cad6c8d47fb9f0b17a2c47f93e5f923d1cb32c3 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Florian=20M=C3=BCllner?= <fmuellner@gnome.org>
+Date: Thu, 7 Mar 2024 18:22:32 +0100
+Subject: [PATCH] windowPreview: Override with window icon if available
+
+---
+ js/ui/windowPreview.js | 16 ++++++++++++++++
+ 1 file changed, 16 insertions(+)
+
+diff --git a/js/ui/windowPreview.js b/js/ui/windowPreview.js
+index e67ec9ec0f..db325258b4 100644
+--- a/js/ui/windowPreview.js
++++ b/js/ui/windowPreview.js
+@@ -123,6 +123,12 @@ var WindowPreview = GObject.registerClass({
+         const tracker = Shell.WindowTracker.get_default();
+         const app = tracker.get_window_app(this.metaWindow);
+         this._icon = app.create_icon_texture(ICON_SIZE);
++        // Override with window icon if available
++        if (this._hasWindowIcon()) {
++            const textureCache = St.TextureCache.get_default();
++            this._icon.gicon = textureCache.bind_cairo_surface_property(
++                this.metaWindow, 'icon');
++        }
+         this._icon.add_style_class_name('icon-dropshadow');
+         this._icon.set({
+             reactive: true,
+@@ -226,6 +232,16 @@ var WindowPreview = GObject.registerClass({
+         });
+     }
+ 
++    _hasWindowIcon() {
++        // HACK: GI cannot handle CairoSurface, so this
++        // will throw if the icon property is non-null
++        try {
++            return this.metaWindow.icon !== null;
++        } catch (e) {
++            return true;
++        }
++    }
++
+     _updateIconScale() {
+         const { ControlsState } = OverviewControls;
+         const { currentState, initialState, finalState } =
+-- 
+2.44.0
+

gnome-shell.spec

@@ -2,7 +2,7 @@
 
 Name:           gnome-shell
 Version:        40.10
-Release:        17%{?dist}
+Release:        18%{?dist}
 Summary:        Window management and application launching for GNOME
 
 License:        GPLv2+
@@ -60,6 +60,7 @@ Patch56: owe-support.patch
 Patch57: 0001-windowMenu-Ignore-release.patch
 Patch58: optional-portal-helper.patch
 Patch59: 0001-extensionSystem-Support-locking-down-extension-insta.patch
+Patch60: 0001-windowPreview-Override-with-window-icon-if-available.patch
 
 %define eds_version 3.33.1
 %define gnome_desktop_version 3.35.91
@@ -279,6 +280,10 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/evolution-calendar.de
 %{_mandir}/man1/gnome-shell.1*
 
 %changelog
+* Tue Mar 19 2024 Florian Müllner <fmuellner@redhat.com> - 40.10-18
+- Use window icon in overview if available
+  Resolves: RHEL-24713
+
 * Sat Feb 10 2024 Florian Müllner <fmuellner@redhat.com> - 40.10-17
 - Allow restricting extension installation
   Resolves: RHEL-25017