From 53cbb8a7e331c1c53e7d83220d79178c00e8bc2c Mon Sep 17 00:00:00 2001
From: Eugene Pankov <e@ajenti.org>
Date: Sat, 22 Jan 2022 14:16:46 +0100
Subject: [PATCH] avoid rechecking window status on every loop

---
 app/lib/window.ts                                 |  3 +++
 tabby-electron/src/services/hostWindow.service.ts | 13 ++++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/app/lib/window.ts b/app/lib/window.ts
index c5de4b4f..b3b8db41 100644
--- a/app/lib/window.ts
+++ b/app/lib/window.ts
@@ -303,6 +303,9 @@ export class Window {
         this.window.on('enter-full-screen', () => this.send('host:window-enter-full-screen'))
         this.window.on('leave-full-screen', () => this.send('host:window-leave-full-screen'))
 
+        this.window.on('maximize', () => this.send('host:window-maximized'))
+        this.window.on('unmaximize', () => this.send('host:window-unmaximized'))
+
         this.window.on('close', event => {
             if (!this.closing) {
                 event.preventDefault()
diff --git a/tabby-electron/src/services/hostWindow.service.ts b/tabby-electron/src/services/hostWindow.service.ts
index 07b3b753..c6372c10 100644
--- a/tabby-electron/src/services/hostWindow.service.ts
+++ b/tabby-electron/src/services/hostWindow.service.ts
@@ -15,6 +15,7 @@ export class ElectronHostWindow extends HostWindowService {
     get isFullscreen (): boolean { return this._isFullscreen }
 
     private _isFullscreen = false
+    private _isMaximized = false
 
     constructor (
         zone: NgZone,
@@ -47,6 +48,16 @@ export class ElectronHostWindow extends HostWindowService {
         electron.ipcRenderer.on('host:became-main-window', () => zone.run(() => {
             this.bootstrapData.isMainWindow = true
         }))
+
+        electron.ipcRenderer.on('host:window-maximized', () => zone.run(() => {
+            this._isMaximized = true
+        }))
+
+        electron.ipcRenderer.on('host:window-unmaximized', () => zone.run(() => {
+            this._isMaximized = false
+        }))
+
+        this._isMaximized = this.getWindow().isMaximized()
     }
 
     getWindow (): BrowserWindow {
@@ -74,7 +85,7 @@ export class ElectronHostWindow extends HostWindowService {
     }
 
     isMaximized (): boolean {
-        return this.getWindow().isMaximized()
+        return this._isMaximized
     }
 
     toggleMaximize (): void {