zdm/envoy
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Creating message notifications only if ChatWindow has lost focus

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StatusTray injects a WindowFocusListener into ChatWindow in its
constructor and does only react to received messages if ChatWindow has
currently lost focus.
This commit is contained in:
Kai S. K. Engelbart
2019-12-05 15:42:20 +01:00
parent 6dad4eda08
commit 2831b9a7a3
2 changed files with 34 additions and 7 deletions
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6
src/main/java/envoy/client/ui/Startup.java
View File

@@ -63,9 +63,9 @@ public class Startup {
EventQueue.invokeLater(() -> {
try {
ChatWindow frame = new ChatWindow(client, localDB);
new StatusTrayIcon().show();
frame.setVisible(true);
ChatWindow chatWindow = new ChatWindow(client, localDB);
new StatusTrayIcon(chatWindow).show();
chatWindow.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}

35
src/main/java/envoy/client/ui/StatusTrayIcon.java
View File

@@ -8,6 +8,8 @@ import java.awt.SystemTray;
import java.awt.Toolkit;
import java.awt.TrayIcon;
import java.awt.TrayIcon.MessageType;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.HashSet;
import java.util.Set;
@@ -16,6 +18,7 @@ import envoy.client.event.EventBus;
import envoy.client.event.EventHandler;
import envoy.client.event.MessageCreationEvent;
import envoy.exception.EnvoyException;
import envoy.schema.Message;
/**
* Project: <strong>envoy-client</strong><br>
@@ -34,6 +37,12 @@ public class StatusTrayIcon implements EventHandler {
*/
private TrayIcon trayIcon;
/**
* A received {@link Message} is only displayed as a system tray notification if
* this variable is set to {@code true}.
*/
private boolean displayMessages = false;
/**
* Creates a {@link StatusTrayIcon} with the Envoy logo, a tool tip and a pop-up
* menu.
@@ -41,11 +50,11 @@ public class StatusTrayIcon implements EventHandler {
* @throws EnvoyException if the currently used OS does not support the System
* Tray API
*/
public StatusTrayIcon() throws EnvoyException {
public StatusTrayIcon(ChatWindow chatWindow) throws EnvoyException {
if (!SystemTray.isSupported()) throw new EnvoyException("The Envoy tray icon is not supported.");
ClassLoader loader = Thread.currentThread().getContextClassLoader();
Image img = Toolkit.getDefaultToolkit().createImage(loader.getResource("envoy_logo.png"));
ClassLoader loader = Thread.currentThread().getContextClassLoader();
Image img = Toolkit.getDefaultToolkit().createImage(loader.getResource("envoy_logo.png"));
trayIcon = new TrayIcon(img, "Envoy Client");
trayIcon.setImageAutoSize(true);
trayIcon.setToolTip("You are notified if you have unread messages.");
@@ -57,6 +66,22 @@ public class StatusTrayIcon implements EventHandler {
popup.add(exitMenuItem);
trayIcon.setPopupMenu(popup);
// Only display messages if the chat window is not focused
chatWindow.addWindowFocusListener(new WindowAdapter() {
@Override
public void windowGainedFocus(WindowEvent e) {
displayMessages = false;
}
@Override
public void windowLostFocus(WindowEvent e) {
displayMessages = true;
}
});
// Start processing message events
EventBus.getInstance().register(this);
}
@@ -83,7 +108,9 @@ public class StatusTrayIcon implements EventHandler {
*/
@Override
public void handle(Event<?> event) {
trayIcon.displayMessage("New message received", ((MessageCreationEvent) event).get().getContent().get(0).getText(), MessageType.INFO);
System.out.println("Message received. Displaying message: " + displayMessages);
if (displayMessages)
trayIcon.displayMessage("New message received", ((MessageCreationEvent) event).get().getContent().get(0).getText(), MessageType.INFO);
}
/**