package jfxtest;
import java.awt.event.MouseListener;
import java.io.IOException;
import java.net.URL;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.geometry.Point2D;
import javafx.geometry.Pos;
import javafx.geometry.Rectangle2D;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.stage.Screen;
import javafx.stage.Stage;
import javafx.stage.StageStyle;
import javax.imageio.ImageIO;
// Java 8 code
public class JavaFXTrayIconSample extends Application {
private static final String iconImageLoc = "http://icons.iconarchive.com/icons/scafer31000/bubble-circle-3/16/GameCenter-icon.png";
private Stage stage;
private Timer notificationTimer = new Timer();
private DateFormat timeFormat = SimpleDateFormat.getTimeInstance();
@Override
public void start(final Stage stage) {
this.stage = stage;
Platform.setImplicitExit(false);
javax.swing.SwingUtilities.invokeLater(this::addAppToTray);
stage.initStyle(StageStyle.TRANSPARENT);
StackPane layout = new StackPane(createContent());
layout.setStyle("-fx-background-color: rgba(255, 255, 255, 1.0);");
layout.setPrefSize(300, 200);
layout.setOnMouseClicked(event -> stage.hide());
Scene scene = new Scene(layout);
scene.setFill(Color.TRANSPARENT);
stage.setScene(scene);
}
/**
* For this dummy app, the (JavaFX scenegraph) content, just says "hello, world". A real app, might load an FXML or something like that.
*
* @return the main window application content.
*/
private Node createContent() {
Label hello = new Label("hello, world");
hello.setStyle("-fx-font-size: 40px; -fx-text-fill: forestgreen;");
Label instructions = new Label("(click to hide)");
instructions.setStyle("-fx-font-size: 12px; -fx-text-fill: orange;");
VBox content = new VBox(10, hello, instructions);
content.setAlignment(Pos.CENTER);
return content;
}
/**
* Sets up a system tray icon for the application.
*/
private void addAppToTray() {
try {
// ensure awt toolkit is initialized.
java.awt.Toolkit.getDefaultToolkit();
// app requires system tray support, just exit if there is no support.
if (!java.awt.SystemTray.isSupported()) {
System.out.println("No system tray support, application exiting.");
Platform.exit();
}
// set up a system tray icon.
java.awt.SystemTray tray = java.awt.SystemTray.getSystemTray();
URL imageLoc = new URL(iconImageLoc);
java.awt.Image image = ImageIO.read(imageLoc);
java.awt.TrayIcon trayIcon = new java.awt.TrayIcon(image);
// if the user double-clicks on the tray icon, show the main app stage.
// trayIcon.addActionListener(event -> Platform.runLater(() -> {
// showStage(null, null);
// }));
// regardles of the mouse button you've clicked, the stage will be shown anyway
trayIcon.addMouseListener(new MouseListener() {
@Override
public void mouseClicked(java.awt.event.MouseEvent e) {
Platform.runLater(() -> {
showStage(Double.valueOf(e.getX()), Double.valueOf(e.getY()));
});
}
@Override
public void mousePressed(java.awt.event.MouseEvent e) {}
@Override
public void mouseReleased(java.awt.event.MouseEvent e) {}
@Override
public void mouseEntered(java.awt.event.MouseEvent e) {}
@Override
public void mouseExited(java.awt.event.MouseEvent e) {}
});
java.awt.MenuItem exitItem = new java.awt.MenuItem("Exit");
exitItem.addActionListener(event -> {
notificationTimer.cancel();
Platform.exit();
tray.remove(trayIcon);
});
notificationTimer.schedule(new TimerTask() {
@Override
public void run() {
javax.swing.SwingUtilities.invokeLater(() -> trayIcon.displayMessage("hello", "The time is now " + timeFormat.format(new Date()),
java.awt.TrayIcon.MessageType.INFO));
}
}, 5_000, 60_000);
tray.add(trayIcon);
} catch (java.awt.AWTException | IOException e) {
System.out.println("Unable to init system tray");
e.printStackTrace();
}
}
/**
* Shows the application stage and ensures that it is brought ot the front of all stages.
*/
private void showStage(Double clickX, Double clickY) {
if (stage != null) {
if (clickX != null && clickY != null) {
final Rectangle2D screenBounds = Screen.getPrimary().getVisualBounds();
clickX = clickX + 50;
Point2D fromCoordsUR = new Point2D(clickX + stage.getWidth(), clickY);
Point2D fromCoordsLL = new Point2D(clickX, clickY + stage.getHeight());
if (screenBounds.getMaxY() < fromCoordsLL.getY()) {
clickY = screenBounds.getHeight() - stage.getHeight();
}
if (screenBounds.getMaxX() < fromCoordsUR.getX()) {
clickX = screenBounds.getWidth() - stage.getWidth();
}
stage.setX(clickX);
stage.setY(clickY);
}
stage.show();
stage.toFront();
}
}
public static void main(String[] args) throws IOException, java.awt.AWTException {
launch(args);
}
}
