fuse-angular/src/app/core/components/layout/layout.component.ts

import { Component, OnDestroy, OnInit, ViewEncapsulation } from '@angular/core';
import { FuseLayoutService } from '../../services/layout.service';
import { Subscription } from 'rxjs/Subscription';

@Component({
    selector     : 'fuse-layout',
    templateUrl  : './layout.component.html',
    styleUrls    : ['./layout.component.scss'],
    encapsulation: ViewEncapsulation.None
})
export class FuseLayoutComponent implements OnInit, OnDestroy
{
    onSettingsChanged: Subscription;
    layoutSettings: { navigation: string, toolbar: string, footer: string };

    constructor(private layoutService: FuseLayoutService)
    {
        this.onSettingsChanged =
            this.layoutService.onSettingsChanged
                .subscribe(
                    (newSettings) => {
                        this.layoutSettings = newSettings;
                    }
                );
    }

    ngOnInit()
    {
    }

    ngOnDestroy()
    {
        this.onSettingsChanged.unsubscribe();
    }
}