358 lines
13 KiB
Java
358 lines
13 KiB
Java
package dorkbox.util.tray.swing;
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import java.awt.AWTException;
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import java.awt.Dimension;
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import java.awt.GraphicsConfiguration;
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import java.awt.GraphicsDevice;
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import java.awt.GraphicsEnvironment;
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import java.awt.Image;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.SystemTray;
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import java.awt.TrayIcon;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.lang.reflect.InvocationTargetException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Map;
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import javax.swing.ImageIcon;
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import javax.swing.JMenuItem;
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import javax.swing.SwingUtilities;
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import dorkbox.util.tray.SystemTrayMenuAction;
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import dorkbox.util.tray.SystemTrayMenuPopup;
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/**
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* Class for handling all system tray interaction, via SWING
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*/
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public class SwingSystemTray extends dorkbox.util.tray.SystemTray {
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private final Map<String, JMenuItem> menuEntries = new HashMap<String, JMenuItem>(2);
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private volatile SystemTrayMenuPopup jmenu;
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private volatile JMenuItem connectionStatusItem;
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private volatile SystemTray tray;
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private volatile TrayIcon trayIcon;
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/**
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* Creates a new system tray handler class.
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*/
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public SwingSystemTray() {
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}
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@Override
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public void removeTray() {
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Runnable doRun = new Runnable() {
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@Override
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public void run() {
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SwingSystemTray.this.tray.remove(SwingSystemTray.this.trayIcon);
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SwingSystemTray.this.menuEntries.clear();
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}
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};
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if (SwingUtilities.isEventDispatchThread()) {
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doRun.run();
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} else {
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try {
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SwingUtilities.invokeAndWait(doRun);
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} catch (InvocationTargetException e) {
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logger.error("Error updating tray menu", e);
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} catch (InterruptedException e) {
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logger.error("Error updating tray menu", e);
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}
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}
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}
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@Override
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public void createTray(final String iconName) {
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Runnable doRun = new Runnable() {
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@Override
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public void run() {
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SwingSystemTray.this.tray = SystemTray.getSystemTray();
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if (SwingSystemTray.this.tray == null) {
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logger.warn("The system tray is not available");
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} else {
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SwingSystemTray.this.jmenu = new SystemTrayMenuPopup();
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Image trayImage = newImage(iconName);
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SwingSystemTray.this.trayIcon = new TrayIcon(trayImage);
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SwingSystemTray.this.trayIcon.setToolTip(SwingSystemTray.this.appName);
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SwingSystemTray.this.trayIcon.addMouseListener(new MouseAdapter() {
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@Override
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public void mousePressed(MouseEvent e) {
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Dimension size = SwingSystemTray.this.jmenu.getPreferredSize();
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Point point = e.getPoint();
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Rectangle bounds = getScreenBoundsAt(point);
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int x = point.x;
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int y = point.y;
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if (y < bounds.y) {
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y = bounds.y;
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} else if (y > bounds.y + bounds.height) {
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y = bounds.y + bounds.height + ICON_SIZE + 4; // 4 for padding
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}
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if (x < bounds.x) {
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x = bounds.x;
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} else if (x > bounds.x + bounds.width) {
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x = bounds.x + bounds.width;
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}
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if (x + size.width > bounds.x + bounds.width) {
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// always put the menu in the middle
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x = bounds.x + bounds.width - size.width;
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}
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if (y + size.height > bounds.y + bounds.height) {
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y = bounds.y + bounds.height - size.height - ICON_SIZE - 4; // 4 for padding
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}
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// do we open at top-right or top-left?
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// we ASSUME monitor size is greater than 640x480 AND that our tray icon is IN THE CORNER SOMEWHERE
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// always put the menu in the middle
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x -= size.width/4;
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SwingSystemTray.this.jmenu.setInvoker(SwingSystemTray.this.jmenu);
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SwingSystemTray.this.jmenu.setLocation(x, y);
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SwingSystemTray.this.jmenu.setVisible(true);
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}
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});
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try {
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SwingSystemTray.this.tray.add(SwingSystemTray.this.trayIcon);
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SwingSystemTray.this.active = true;
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} catch (AWTException e) {
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logger.error("TrayIcon could not be added.", e);
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}
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}
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}
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};
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if (SwingUtilities.isEventDispatchThread()) {
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doRun.run();
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} else {
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try {
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SwingUtilities.invokeAndWait(doRun);
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} catch (InvocationTargetException e) {
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logger.error("Error creating tray menu", e);
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} catch (InterruptedException e) {
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logger.error("Error creating tray menu", e);
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}
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}
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}
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protected Image newImage(String name) {
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String iconPath = iconPath(name);
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Image scaledInstance = new ImageIcon(iconPath).getImage().getScaledInstance(ICON_SIZE, ICON_SIZE, Image.SCALE_SMOOTH);
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return scaledInstance;
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}
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// public static Rectangle getSafeScreenBounds(Point pos) {
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// Rectangle bounds = getScreenBoundsAt(pos);
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// Insets insets = getScreenInsetsAt(pos);
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//
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// bounds.x += insets.left;
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// bounds.y += insets.top;
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// bounds.width -= insets.left + insets.right;
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// bounds.height -= insets.top + insets.bottom;
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//
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// return bounds;
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// }
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// public static Insets getScreenInsetsAt(Point pos) {
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// GraphicsDevice gd = getGraphicsDeviceAt(pos);
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// Insets insets = null;
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// if (gd != null) {
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// insets = Toolkit.getDefaultToolkit().getScreenInsets(gd.getDefaultConfiguration());
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// }
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//
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// return insets;
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// }
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public static Rectangle getScreenBoundsAt(Point pos) {
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GraphicsDevice gd = getGraphicsDeviceAt(pos);
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Rectangle bounds = null;
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if (gd != null) {
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bounds = gd.getDefaultConfiguration().getBounds();
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}
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return bounds;
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}
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public static GraphicsDevice getGraphicsDeviceAt(Point pos) {
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GraphicsDevice device = null;
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GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
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GraphicsDevice lstGDs[] = ge.getScreenDevices();
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ArrayList<GraphicsDevice> lstDevices = new ArrayList<GraphicsDevice>(lstGDs.length);
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for (GraphicsDevice gd : lstGDs) {
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GraphicsConfiguration gc = gd.getDefaultConfiguration();
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Rectangle screenBounds = gc.getBounds();
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if (screenBounds.contains(pos)) {
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lstDevices.add(gd);
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}
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}
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if (lstDevices.size() > 0) {
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device = lstDevices.get(0);
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} else {
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device = ge.getDefaultScreenDevice();
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}
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return device;
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}
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@Override
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public void setStatus(final String infoString, final String iconName) {
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Runnable doRun = new Runnable() {
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@Override
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public void run() {
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if (SwingSystemTray.this.connectionStatusItem == null) {
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SwingSystemTray.this.connectionStatusItem = new JMenuItem(infoString);
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SwingSystemTray.this.connectionStatusItem.setEnabled(false);
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SwingSystemTray.this.jmenu.add(SwingSystemTray.this.connectionStatusItem);
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} else {
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SwingSystemTray.this.connectionStatusItem.setText(infoString);
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}
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}
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};
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if (SwingUtilities.isEventDispatchThread()) {
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doRun.run();
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} else {
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try {
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SwingUtilities.invokeAndWait(doRun);
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} catch (InvocationTargetException e) {
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logger.error("Error updating tray menu", e);
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} catch (InterruptedException e) {
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logger.error("Error updating tray menu", e);
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}
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}
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Image trayImage = newImage(iconName);
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SwingSystemTray.this.trayIcon.setImage(trayImage);
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}
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/**
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* Will add a new menu entry, or update one if it already exists
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*/
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@Override
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public void addMenuEntry(final String menuText, final SystemTrayMenuAction callback) {
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Runnable doRun = new Runnable() {
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@Override
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public void run() {
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Map<String, JMenuItem> menuEntries2 = SwingSystemTray.this.menuEntries;
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synchronized (menuEntries2) {
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JMenuItem menuEntry = menuEntries2.get(menuText);
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if (menuEntry == null) {
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SystemTrayMenuPopup menu = SwingSystemTray.this.jmenu;
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menuEntry = new JMenuItem(menuText);
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menuEntry.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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SwingSystemTray.this.callbackExecutor.execute(new Runnable() {
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@Override
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public void run() {
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callback.onClick(SwingSystemTray.this);
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}
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});
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}
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});
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menu.add(menuEntry);
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menuEntries2.put(menuText, menuEntry);
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} else {
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updateMenuEntry(menuText, menuText, callback);
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}
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}
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}
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};
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if (SwingUtilities.isEventDispatchThread()) {
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doRun.run();
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} else {
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try {
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SwingUtilities.invokeAndWait(doRun);
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} catch (InvocationTargetException e) {
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logger.error("Error updating tray menu", e);
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} catch (InterruptedException e) {
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logger.error("Error updating tray menu", e);
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}
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}
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}
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/**
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* Will update an already existing menu entry (or add a new one, if it doesn't exist)
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*/
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@Override
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public void updateMenuEntry(final String origMenuText, final String newMenuText, final SystemTrayMenuAction newCallback) {
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Runnable doRun = new Runnable() {
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@Override
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public void run() {
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Map<String, JMenuItem> menuEntries2 = SwingSystemTray.this.menuEntries;
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synchronized (menuEntries2) {
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JMenuItem menuEntry = menuEntries2.get(origMenuText);
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if (menuEntry != null) {
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ActionListener[] actionListeners = menuEntry.getActionListeners();
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for (ActionListener l : actionListeners) {
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menuEntry.removeActionListener(l);
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}
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menuEntry.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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SwingSystemTray.this.callbackExecutor.execute(new Runnable() {
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@Override
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public void run() {
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newCallback.onClick(SwingSystemTray.this);
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}
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});
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}
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});
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menuEntry.setText(newMenuText);
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menuEntry.revalidate();
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} else {
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addMenuEntry(origMenuText, newCallback);
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}
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}
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}
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};
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if (SwingUtilities.isEventDispatchThread()) {
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doRun.run();
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} else {
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try {
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SwingUtilities.invokeAndWait(doRun);
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} catch (InvocationTargetException e) {
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logger.error("Error updating tray menu", e);
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} catch (InterruptedException e) {
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logger.error("Error updating tray menu", e);
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}
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}
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}
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}
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