Add hotkey option to toggle hide to tray

Fixes #3043

src/public/app/components/root_command_executor.js

@@ -6,6 +6,7 @@ import openService from "../services/open.js";
 import protectedSessionService from "../services/protected_session.js";
 import options from "../services/options.js";
 import froca from "../services/froca.js";
+import utils from "../services/utils.js";
 
 export default class RootCommandExecutor extends Component {
     editReadOnlyNoteCommand() {
@@ -155,6 +156,15 @@ export default class RootCommandExecutor extends Component {
         }
     }
 
+    toggleTrayCommand() {
+        if (!utils.isElectron()) return;
+        const {BrowserWindow} = utils.dynamicRequire('@electron/remote');
+        const windows = BrowserWindow.getAllWindows();
+        const isVisible = windows.every(w => w.isVisible());
+        const action = isVisible ? "hide" : "show"
+        for (const window of windows) window[action]();
+    }
+
     firstTabCommand()   { this.#goToTab(1); }
     secondTabCommand()  { this.#goToTab(2); }
     thirdTabCommand()   { this.#goToTab(3); }

src/services/keyboard_actions.js

@@ -240,6 +240,12 @@ const DEFAULT_KEYBOARD_ACTIONS = [
         description: "Open new empty window",
         scope: "window"
     },
+    {
+        actionName: "toggleTray",
+        defaultShortcuts: [],
+        description: "Shows/hides the application from the system tray",
+        scope: "window"
+    },
     {
         actionName: "firstTab",
         defaultShortcuts: ["CommandOrControl+1"],