TGTray.java

package org.herac.tuxguitar.tray;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tray;
import org.eclipse.swt.widgets.TrayItem;
import org.herac.tuxguitar.gui.TuxGuitar;
import org.herac.tuxguitar.gui.system.icons.IconLoader;
import org.herac.tuxguitar.gui.system.language.LanguageLoader;

public class TGTray implements IconLoader, LanguageLoader {

  private Display display = TuxGuitar.instance().getDisplay();
  private TGTrayIcon icon = null;
  private TGTrayMenu menu = new TGTrayMenu();
  private Tray tray = TuxGuitar.instance().getDisplay().getSystemTray();
  private boolean visible;

  public TGTray() {
    TuxGuitar.instance().getIconManager().addLoader(this);
    TuxGuitar.instance().getLanguageManager().addLoader(this);
  }

  public void addTray() {
    if (this.tray != null) {
      this.menu.make();
      this.visible = true;
      TrayItem item = new TrayItem(this.tray, SWT.NONE);
      item.setToolTipText(TuxGuitar.APPLICATION_NAME);
      item.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event event) {
          setVisible();
        }
      });
      item.addListener(SWT.MenuDetect, new Listener() {
        public void handleEvent(Event event) {
          showMenu();
        }
      });
      this.icon = new TGTrayIcon(item);
      this.loadIcons();
    }
  }

  public void loadIcons() {
    this.icon.loadImage();
    this.menu.loadIcons();
  }

  public void loadProperties() {
    this.menu.loadProperties();
  }

  public void removeTray() {
    if (this.tray != null) {
      setVisible(true);
      TrayItem items[] = this.tray.getItems();
      for (int i = 0; i < items.length; i++) {
        items[i].dispose();
      }
      this.icon.dispose();
      this.menu.dispose();
    }
  }

  protected void setVisible() {
    this.setVisible(!this.visible);
  }

  protected void setVisible(boolean visible) {
    if (this.tray != null) {
      Shell shells[] = this.display.getShells();
      for (int i = 0; i < shells.length; i++) {
        shells[i].setVisible(visible);
      }
      this.visible = visible;
    }
  }

  protected void showMenu() {
    this.menu.show();
  }
}