angutron/src/app/title-bar/title-bar.component.ts

import { Component, OnInit, ViewEncapsulation } from "@angular/core";
import { ElectronService } from "ngx-electron";

@Component({
  selector: "title-bar",
  templateUrl: "./title-bar.component.html",
  styleUrls: ["./title-bar.component.scss"],
  encapsulation: ViewEncapsulation.Native
})
export class TitleBarComponent implements OnInit {
  old: {
    position: number[];
    size: number[];
  };

  constructor(private _electron: ElectronService) {}

  ngOnInit() {}

  minimize() {
    this._electron.remote.getCurrentWindow().minimize();
  }

  maximize() {
    let currentWindow = this._electron.remote.getCurrentWindow();
    if (!currentWindow.isMaximized()) {
      this.old = {
        position : currentWindow.getPosition(), 
        size : currentWindow.getSize()
      };
      currentWindow.maximize();
    }else if(this.old !== undefined){
      currentWindow.setPosition(this.old.position[0], this.old.position[1], true);
      currentWindow.setSize(this.old.size[0], this.old.size[1], true);
    }
  }

  close() {
    this._electron.remote.getCurrentWindow().close();
  }
}