98 lines
2.8 KiB
Java
98 lines
2.8 KiB
Java
package envoy.client.ui;
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import java.awt.*;
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import java.awt.TrayIcon.MessageType;
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import javafx.application.Platform;
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import javafx.stage.Stage;
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import envoy.client.helper.ShutdownHelper;
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import envoy.client.util.IconUtil;
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import envoy.data.Message;
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import dev.kske.eventbus.*;
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import dev.kske.eventbus.Event;
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/**
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* @author Kai S. K. Engelbart
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* @since Envoy Client v0.2-alpha
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*/
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public final class StatusTrayIcon implements EventListener {
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/**
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* The {@link TrayIcon} provided by the System Tray API for controlling the
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* system tray. This includes displaying the icon, but also creating
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* notifications when new messages are received.
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*/
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private final TrayIcon trayIcon;
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/**
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* A received {@link Message} is only displayed as a system tray notification if
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* this variable is set to {@code true}.
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*/
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private boolean displayMessages;
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/**
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* @return {@code true} if the status tray icon is supported on this platform
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* @since Envoy Client v0.2-beta
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*/
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public static boolean isSupported() { return SystemTray.isSupported(); }
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/**
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* Creates a {@link StatusTrayIcon} with the Envoy logo, a tool tip and a pop-up
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* menu.
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*
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* @param stage the stage whose focus determines if message
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* notifications are displayed
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* @since Envoy Client v0.2-beta
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*/
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public StatusTrayIcon(Stage stage) {
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trayIcon = new TrayIcon(IconUtil.loadAWTCompatible("/icons/envoy_logo.png"), "Envoy");
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trayIcon.setImageAutoSize(true);
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trayIcon.setToolTip("You are notified if you have unread messages.");
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final PopupMenu popup = new PopupMenu();
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final MenuItem exitMenuItem = new MenuItem("Exit");
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exitMenuItem.addActionListener(evt -> ShutdownHelper.exit());
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popup.add(exitMenuItem);
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trayIcon.setPopupMenu(popup);
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// Only display messages if the stage is not focused
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stage.focusedProperty().addListener((ov, onHidden, onShown) -> displayMessages = !ov.getValue());
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// Show the window if the user clicks on the icon
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trayIcon.addActionListener(evt -> Platform.runLater(() -> { stage.setIconified(false); stage.toFront(); stage.requestFocus(); }));
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// Start processing message events
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EventBus.getInstance().registerListener(this);
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}
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/**
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* Makes the icon appear in the system tray.
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*
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* @since Envoy Client v0.2-alpha
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*/
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public void show() {
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try {
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SystemTray.getSystemTray().add(trayIcon);
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} catch (final AWTException e) {}
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}
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/**
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* Removes the icon from the system tray.
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*
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* @since Envoy Client v0.2-beta
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*/
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public void hide() { SystemTray.getSystemTray().remove(trayIcon); }
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@Event
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private void onMessage(Message message) {
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if (displayMessages) trayIcon.displayMessage(
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message.hasAttachment() ? "New " + message.getAttachment().getType().toString().toLowerCase() + " message received" : "New message received",
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message.getText(),
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MessageType.INFO);
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}
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}
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