NotZed's Source Code Repository - busymon/blob - java/notzed.busyalert/au/notzed/busyalert/BusyAlert.java

   1 /*
   2  * Copyright (C) 2019 Michael Zucchi
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package au.notzed.busyalert;
  18
  19 import java.time.Duration;
  20 import java.time.Instant;
  21 import java.time.temporal.ChronoUnit;
  22 import java.util.concurrent.Executors;
  23 import java.util.concurrent.ScheduledExecutorService;
  24 import java.util.concurrent.TimeUnit;
  25 import javafx.application.Application;
  26 import javafx.application.Platform;
  27 import javafx.geometry.Insets;
  28 import javafx.geometry.Pos;
  29 import javafx.scene.Scene;
  30 import javafx.scene.control.Label;
  31 import javafx.scene.layout.Background;
  32 import javafx.scene.layout.BackgroundFill;
  33 import javafx.scene.layout.CornerRadii;
  34 import javafx.scene.layout.VBox;
  35 import javafx.scene.paint.Color;
  36 import javafx.scene.text.Font;
  37 import javafx.stage.Stage;
  38
  39 public class BusyAlert extends Application {
  40
  41         long timeout = 60 * 5;
  42
  43         ScheduledExecutorService queue = Executors.newSingleThreadScheduledExecutor((r) -> {
  44                 Thread t = new Thread(r);
  45                 t.setDaemon(true);
  46                 return t;
  47         });
  48
  49         @Override
  50         public void start(Stage primaryStage) throws Exception {
  51                 Stage stage = new Stage();
  52
  53                 Label time = new Label();
  54                 Label text = new Label("BREAK NOW!");
  55                 VBox box = new VBox(text, time);
  56
  57                 box.setAlignment(Pos.CENTER);
  58                 box.setBackground(new Background(new BackgroundFill(Color.GRAY, CornerRadii.EMPTY, Insets.EMPTY)));
  59
  60                 VBox.setMargin(time, new Insets(20));
  61                 VBox.setMargin(text, new Insets(20));
  62
  63                 time.setText(String.format("%3d:%02d", timeout / 60, timeout % 60));
  64                 time.setFont(Font.font("monspaced", 64));
  65
  66                 text.setFont(Font.font("monspaced", 96));
  67
  68                 Instant start = Instant.now();
  69
  70                 Scene scene = new Scene(box);
  71
  72                 stage.setFullScreen(true);
  73                 stage.setFullScreenExitHint("");
  74                 stage.setScene(scene);
  75
  76                 stage.show();
  77
  78                 queueForever(() -> {
  79                         Duration delta = Duration.between(start, Instant.now());
  80                         long waited = delta.get(ChronoUnit.SECONDS);
  81                         long left = timeout - waited;
  82
  83                         time.setText(String.format("%3d:%02d", left / 60, left % 60));
  84                 });
  85
  86                 queue.schedule(() -> Platform.runLater(stage::close),
  87                         timeout, TimeUnit.SECONDS);
  88         }
  89
  90         void queueForever(Runnable r) {
  91                 queue.schedule(() -> {
  92                         Platform.runLater(r);
  93                         queueForever(r);
  94                 },
  95                         1, TimeUnit.SECONDS
  96                 );
  97         }
  98
  99         void update() {
 100         }
 101
 102         public static void main(String[] args) {
 103                 launch(args);
 104         }
 105 }