WeasisApp.java

/*******************************************************************************
 * Copyright (c) 2016 Weasis Team and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Nicolas Roduit - initial API and implementation
 *******************************************************************************/
package org.weasis.base.ui;

import java.awt.AWTException;
import java.awt.Frame;
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.InputEvent;
import java.io.IOException;

import org.weasis.base.ui.gui.WeasisWin;
import org.weasis.core.api.command.Option;
import org.weasis.core.api.command.Options;
import org.weasis.core.api.gui.util.AppProperties;
import org.weasis.core.api.gui.util.GuiExecutor;

public class WeasisApp {

    public static final String[] functions = { "info", "ui" }; //$NON-NLS-1$ //$NON-NLS-2$

    private static final WeasisApp instance = new WeasisApp();

    private WeasisApp() {
    }

    public static final WeasisApp getInstance() {
        return instance;
    }

    public void info(String[] argv) throws IOException {
        final String[] usage =
            { "Show information about Weasis", "Usage: weasis:info (-v | -a)",  //$NON-NLS-1$ //$NON-NLS-2$
                "  -v --version    show version", //$NON-NLS-1$
                "  -a --all        show weasis specifications",  //$NON-NLS-1$
                "  -? --help       show help" };  //$NON-NLS-1$

        Option opt = Options.compile(usage).parse(argv);

        if (opt.isSet("version")) { //$NON-NLS-1$
            System.out.println(AppProperties.WEASIS_VERSION);
        } else if (opt.isSet("all")) { //$NON-NLS-1$
            System.out.println("  " + AppProperties.WEASIS_NAME + " " + AppProperties.WEASIS_VERSION); //$NON-NLS-1$ //$NON-NLS-2$
            System.out.println("  Installation path: " + AppProperties.WEASIS_PATH); //$NON-NLS-1$
            System.out.println("  Path for temporary files: " + AppProperties.APP_TEMP_DIR); //$NON-NLS-1$
            System.out.println("  Profile: " + AppProperties.WEASIS_PROFILE); //$NON-NLS-1$
            System.out.println("  User: " + AppProperties.WEASIS_USER); //$NON-NLS-1$
            System.out.println("  OSGI native specs: " + System.getProperty("native.library.spec")); //$NON-NLS-1$ //$NON-NLS-2$
            System.out.format("  Operating system: %s %s %s" , System.getProperty("os.name"), System.getProperty("os.version") , System.getProperty("os.arch")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
            System.out.println();
            System.out.println("  Java vendor: " + System.getProperty("java.vendor")); //$NON-NLS-1$ //$NON-NLS-2$
            System.out.println("  Java version: " + System.getProperty("java.version")); //$NON-NLS-1$ //$NON-NLS-2$
            System.out.println("  Java Path: " + System.getProperty("java.home"));           //$NON-NLS-1$ //$NON-NLS-2$
        } else {
            opt.usage();
        }
    }

    public void ui(String[] argv) throws IOException {
        final String[] usage =
            { "Manage user interface", "Usage: weasis:ui (-q | -v)",  //$NON-NLS-1$ //$NON-NLS-2$
                "  -q --quit        shutdown Weasis", //$NON-NLS-1$ 
                "  -v --visible     set window on top",  //$NON-NLS-1$
                "  -? --help        show help" }; //$NON-NLS-1$ 

        Option opt = Options.compile(usage).parse(argv);
        if (opt.isSet("quit")) { //$NON-NLS-1$
            System.exit(0);
        } else if (opt.isSet("visible")) { //$NON-NLS-1$
            GuiExecutor.instance().execute(() -> {
                Frame app = WeasisWin.getInstance().getFrame();
                app.setVisible(true);
                int state = app.getExtendedState();
                state &= ~Frame.ICONIFIED;
                app.setExtendedState(state);
                app.setVisible(true);
                /*
                 * Sets the window to be "always on top" instead using toFront() method that does not always bring the
                 * window to the front. It depends the platform, Windows XP or Ubuntu has the facility to prevent
                 * windows from stealing focus; instead it flashes the taskbar icon.
                 */
                if (app.isAlwaysOnTopSupported()) {
                    app.setAlwaysOnTop(true);

                    try {
                        Thread.sleep(500L);
                        Robot robot = new Robot();
                        Point p = app.getLocationOnScreen();
                        robot.mouseMove(p.x + app.getWidth() / 2, p.y + 5);
                        // Simulate a mouse click
                        robot.mousePress(InputEvent.BUTTON1_MASK);
                        robot.mouseRelease(InputEvent.BUTTON1_MASK);
                    } catch (AWTException e1) {
                    } catch (InterruptedException e) {
                    } finally {
                        app.setAlwaysOnTop(false);
                    }

                } else {
                    app.toFront();
                }
            });

        } else {
            opt.usage();
        }
    }
}