[gnome-shell] appMenu: Support launching on the non-default GPU

[Marge Bot <marge-bot src gnome org>]

commit 414ed9128f9cdfd89058eb8a01ff25e93c6e023c
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Aug 12 01:31:35 2021 +0200

    appMenu: Support launching on the non-default GPU
    
    Changing the GPU to launch an app on is the last feature from the
    app context menu that is still missing. Add support for it now,
    and we are ready for some unifying cleanup!
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1948>

 js/ui/appMenu.js | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
---
diff --git a/js/ui/appMenu.js b/js/ui/appMenu.js
index a5011cc312..87d2218cdf 100644
--- a/js/ui/appMenu.js
+++ b/js/ui/appMenu.js
@@ -60,6 +60,12 @@ var AppMenu = class AppMenu extends PopupMenu.PopupMenu {
         this._actionSection = new PopupMenu.PopupMenuSection();
         this.addMenuItem(this._actionSection);
 
+        this._onGpuMenuItem = this.addAction('', () => {
+            this._animateLaunch();
+            this._app.launch(0, -1, this._getNonDefaultLaunchGpu());
+            Main.overview.hide();
+        });
+
         this.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
 
         this._toggleFavoriteItem = this.addAction('', () => {
@@ -110,9 +116,14 @@ var AppMenu = class AppMenu extends PopupMenu.PopupMenu {
             global.settings,
             global.settings.connect('writable-changed::favorite-apps',
                 () => this._updateFavoriteItem()),
+        ], [
+            global,
+            global.connect('notify::switcheroo-control',
+                () => this._updateGpuItem()),
         ]);
         this._updateQuitItem();
         this._updateFavoriteItem();
+        this._updateGpuItem();
         this._updateDetailsVisibility();
     }
 
@@ -122,6 +133,7 @@ var AppMenu = class AppMenu extends PopupMenu.PopupMenu {
 
         this._updateQuitItem();
         this._updateNewWindowItem();
+        this._updateGpuItem();
     }
 
     _updateQuitItem() {
@@ -152,6 +164,24 @@ var AppMenu = class AppMenu extends PopupMenu.PopupMenu {
             : _('Add to Favorites');
     }
 
+    _updateGpuItem() {
+        const proxy = global.get_switcheroo_control();
+        const hasDualGpu = proxy?.get_cached_property('HasDualGpu')?.unpack();
+
+        const showItem =
+            this._app?.state === Shell.AppState.STOPPED && hasDualGpu;
+
+        this._onGpuMenuItem.visible = showItem;
+
+        if (!showItem)
+            return;
+
+        const launchGpu = this._getNonDefaultLaunchGpu();
+        this._onGpuMenuItem.label.text = launchGpu === Shell.AppLaunchGpu.DEFAULT
+            ? _('Launch using Integrated Graphics Card')
+            : _('Launch using Discrete Graphics Card');
+    }
+
     _updateDetailsVisibility() {
         const sw = this._appSystem.lookup_app('org.gnome.Software.desktop');
         this._detailsItem.visible = sw !== null;
@@ -162,6 +192,12 @@ var AppMenu = class AppMenu extends PopupMenu.PopupMenu {
             this.sourceActor.animateLaunch();
     }
 
+    _getNonDefaultLaunchGpu() {
+        return this._app.appInfo.get_boolean('PrefersNonDefaultGPU')
+            ? Shell.AppLaunchGpu.DEFAULT
+            : Shell.AppLaunchGpu.DISCRETE;
+    }
+
     /** */
     destroy() {
         super.destroy();
@@ -220,6 +256,7 @@ var AppMenu = class AppMenu extends PopupMenu.PopupMenu {
         this._updateQuitItem();
         this._updateNewWindowItem();
         this._updateFavoriteItem();
+        this._updateGpuItem();
     }
 
     _queueUpdateWindowsSection() {