Method constructor

tabby-electron/src/services/touchbar.service.ts:12–38

(
        private app: AppService,
        private hostApp: HostAppService,
        private zone: NgZone,
    )

    private touchbarState$ = new Subject<any>()

    private constructor (
        private app: AppService,
        private hostApp: HostAppService,
        private zone: NgZone,
    ) {
        if (this.hostApp.platform !== Platform.macOS) {
            return
        }
        app.tabsChanged$.subscribe(() => this.update())
        app.activeTabChange$.subscribe(() => this.update())

        app.tabOpened$.subscribe(tab => {
            tab.titleChange$.subscribe(() => this.update())
            tab.activity$.pipe(
                map(x => !x || tab === app.activeTab),
                distinctUntilChanged(),
            ).subscribe(() => this.update())
        })

        ipcRenderer.on('touchbar-selection', (_event, index) => this.zone.run(() => {
            this.app.selectTab(this.app.tabs[index])
        }))

        this.touchbarState$.pipe(distinctUntilChanged(deepEqual)).subscribe(state => {
            ipcRenderer.send('window-set-touch-bar', ...state)
        })
    }

    update (): void {
        if (this.hostApp.platform !== Platform.macOS) {