sun/awt/HeadlessToolkit.java

2453N/A/*
3211N/A * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved.
2453N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
2453N/A *
2453N/A * This code is free software; you can redistribute it and/or modify it
2453N/A * under the terms of the GNU General Public License version 2 only, as
2453N/A * published by the Free Software Foundation.  Oracle designates this
2453N/A * particular file as subject to the "Classpath" exception as provided
2453N/A * by Oracle in the LICENSE file that accompanied this code.
2453N/A *
2453N/A * This code is distributed in the hope that it will be useful, but WITHOUT
2453N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2453N/A * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
2453N/A * version 2 for more details (a copy is included in the LICENSE file that
2453N/A * accompanied this code).
2453N/A *
2453N/A * You should have received a copy of the GNU General Public License version
2453N/A * 2 along with this work; if not, write to the Free Software Foundation,
2453N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
2453N/A *
2453N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2453N/A * or visit www.oracle.com if you need additional information or have any
2453N/A * questions.
2453N/A */
2453N/A
2453N/Apackage sun.awt;
2453N/A
2453N/Aimport java.awt.*;
2453N/Aimport java.awt.dnd.*;
2453N/Aimport java.awt.dnd.peer.DragSourceContextPeer;
2453N/Aimport java.awt.event.*;
2453N/Aimport java.awt.im.InputMethodHighlight;
2453N/Aimport java.awt.image.*;
2453N/Aimport java.awt.datatransfer.Clipboard;
2453N/Aimport java.awt.peer.*;
2453N/Aimport java.beans.PropertyChangeListener;
2453N/Aimport java.net.URL;
2453N/Aimport java.util.Map;
2453N/Aimport java.util.Properties;
2453N/A
2453N/Apublic class HeadlessToolkit extends Toolkit
2453N/A    implements ComponentFactory, KeyboardFocusManagerPeerProvider {
2453N/A
2453N/A    private static final KeyboardFocusManagerPeer kfmPeer = new KeyboardFocusManagerPeer() {
2453N/A        public void setCurrentFocusedWindow(Window win) {}
2453N/A        public Window getCurrentFocusedWindow() { return null; }
3127N/A        public void setCurrentFocusOwner(Component comp) {}
3863N/A        public Component getCurrentFocusOwner() { return null; }
2453N/A        public void clearGlobalFocusOwner(Window activeWindow) {}
2453N/A    };
2453N/A
2453N/A    private Toolkit tk;
2453N/A    private ComponentFactory componentFactory;
2453N/A
2453N/A    public HeadlessToolkit(Toolkit tk) {
2453N/A        this.tk = tk;
2453N/A        if (tk instanceof ComponentFactory) {
2453N/A            componentFactory = (ComponentFactory)tk;
2453N/A        }
2453N/A    }
2453N/A
2453N/A    public Toolkit getUnderlyingToolkit() {
2453N/A        return tk;
2453N/A    }
2453N/A
2453N/A    /*
2453N/A     * Component peer objects.
2453N/A     */
2453N/A
2453N/A    /* Lightweight implementation of Canvas and Panel */
2453N/A
2453N/A    public CanvasPeer createCanvas(Canvas target) {
2453N/A        return (CanvasPeer)createComponent(target);
2453N/A    }
2453N/A
2453N/A    public PanelPeer createPanel(Panel target) {
2453N/A        return (PanelPeer)createComponent(target);
2453N/A    }
2453N/A
2453N/A    /*
2453N/A     * Component peer objects - unsupported.
2453N/A     */
2453N/A
2453N/A    public WindowPeer createWindow(Window target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public FramePeer createFrame(Frame target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public DialogPeer createDialog(Dialog target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public ButtonPeer createButton(Button target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2654N/A
2654N/A    public TextFieldPeer createTextField(TextField target)
2654N/A        throws HeadlessException {
2654N/A        throw new HeadlessException();
2654N/A    }
2654N/A
2654N/A    public ChoicePeer createChoice(Choice target)
2654N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2654N/A    }
2453N/A
2453N/A    public LabelPeer createLabel(Label target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public ListPeer createList(List target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public CheckboxPeer createCheckbox(Checkbox target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public ScrollbarPeer createScrollbar(Scrollbar target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public ScrollPanePeer createScrollPane(ScrollPane target)
2453N/A        throws HeadlessException {
2654N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public TextAreaPeer createTextArea(TextArea target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public FileDialogPeer createFileDialog(FileDialog target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public MenuBarPeer createMenuBar(MenuBar target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public MenuPeer createMenu(Menu target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2654N/A    }
2453N/A
2453N/A    public PopupMenuPeer createPopupMenu(PopupMenu target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public MenuItemPeer createMenuItem(MenuItem target)
2453N/A        throws HeadlessException {
3653N/A        throw new HeadlessException();
3653N/A    }
2453N/A
2453N/A    public CheckboxMenuItemPeer createCheckboxMenuItem(CheckboxMenuItem target)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public DragSourceContextPeer createDragSourceContextPeer(
2453N/A        DragGestureEvent dge)
2453N/A        throws InvalidDnDOperationException {
2453N/A        throw new InvalidDnDOperationException("Headless environment");
2453N/A    }
2453N/A
2453N/A    public RobotPeer createRobot(Robot target, GraphicsDevice screen)
2453N/A        throws AWTException, HeadlessException {
2453N/A        throw new HeadlessException();
3211N/A    }
3211N/A
3211N/A    public KeyboardFocusManagerPeer getKeyboardFocusManagerPeer() {
3211N/A        // See 6833019.
3211N/A        return kfmPeer;
3211N/A    }
3211N/A
3211N/A    public TrayIconPeer createTrayIcon(TrayIcon target)
3211N/A      throws HeadlessException {
3211N/A        throw new HeadlessException();
3211N/A    }
3211N/A
3211N/A    public SystemTrayPeer createSystemTray(SystemTray target)
3211N/A      throws HeadlessException {
3211N/A        throw new HeadlessException();
3211N/A    }
3211N/A
3211N/A    public boolean isTraySupported() {
3211N/A        return false;
3211N/A    }
3211N/A
3211N/A    public GlobalCursorManager getGlobalCursorManager()
3211N/A        throws HeadlessException {
3211N/A        throw new HeadlessException();
2453N/A    }
3211N/A
2453N/A    /*
3211N/A     * Headless toolkit - unsupported.
3211N/A     */
3211N/A    protected void loadSystemColors(int[] systemColors)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public ColorModel getColorModel()
2453N/A        throws HeadlessException {
3211N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public int getScreenResolution()
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public Map mapInputMethodHighlight(InputMethodHighlight highlight)
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public int getMenuShortcutKeyMask()
2453N/A        throws HeadlessException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public boolean getLockingKeyState(int keyCode)
2453N/A        throws UnsupportedOperationException {
2453N/A        throw new HeadlessException();
2453N/A    }
2453N/A
2453N/A    public void setLockingKeyState(int keyCode, boolean on)
2453N/A        throws UnsupportedOperationException {
2453N/A        throw new HeadlessException();
    }

    public Cursor createCustomCursor(Image cursor, Point hotSpot, String name)
        throws IndexOutOfBoundsException, HeadlessException {
        throw new HeadlessException();
    }

    public Dimension getBestCursorSize(int preferredWidth, int preferredHeight)
        throws HeadlessException {
        throw new HeadlessException();
    }

    public int getMaximumCursorColors()
        throws HeadlessException {
        throw new HeadlessException();
    }

    public <T extends DragGestureRecognizer> T
        createDragGestureRecognizer(Class<T> abstractRecognizerClass,
                                    DragSource ds, Component c,
                                    int srcActions, DragGestureListener dgl)
    {
        return null;
    }

    public int getScreenHeight()
        throws HeadlessException {
        throw new HeadlessException();
    }

    public int getScreenWidth()
        throws HeadlessException {
        throw new HeadlessException();
    }

    public Dimension getScreenSize()
        throws HeadlessException {
        throw new HeadlessException();
    }

    public Insets getScreenInsets(GraphicsConfiguration gc)
        throws HeadlessException {
        throw new HeadlessException();
    }

    public void setDynamicLayout(boolean dynamic)
        throws HeadlessException {
        throw new HeadlessException();
    }

    protected boolean isDynamicLayoutSet()
        throws HeadlessException {
        throw new HeadlessException();
    }

    public boolean isDynamicLayoutActive()
        throws HeadlessException {
        throw new HeadlessException();
    }

    public Clipboard getSystemClipboard()
        throws HeadlessException {
        throw new HeadlessException();
    }

    /*
     * Printing
     */
    public PrintJob getPrintJob(Frame frame, String jobtitle,
        JobAttributes jobAttributes,
        PageAttributes pageAttributes) {
        if (frame != null) {
            // Should never happen
            throw new HeadlessException();
        }
        throw new NullPointerException("frame must not be null");
    }

    public PrintJob getPrintJob(Frame frame, String doctitle, Properties props)
    {
        if (frame != null) {
            // Should never happen
            throw new HeadlessException();
        }
        throw new NullPointerException("frame must not be null");
    }

    /*
     * Headless toolkit - supported.
     */

    public void sync() {
        // Do nothing
    }

    public void beep() {
        // Send alert character
        System.out.write(0x07);
    }

    /*
     * Event Queue
     */
    public EventQueue getSystemEventQueueImpl() {
        return SunToolkit.getSystemEventQueueImplPP();
    }

    /*
     * Images.
     */
    public int checkImage(Image img, int w, int h, ImageObserver o) {
        return tk.checkImage(img, w, h, o);
    }

    public boolean prepareImage(
        Image img, int w, int h, ImageObserver o) {
        return tk.prepareImage(img, w, h, o);
    }

    public Image getImage(String filename) {
        return tk.getImage(filename);
    }

    public Image getImage(URL url) {
        return tk.getImage(url);
    }

    public Image createImage(String filename) {
        return tk.createImage(filename);
    }

    public Image createImage(URL url) {
        return tk.createImage(url);
    }

    public Image createImage(byte[] data, int offset, int length) {
        return tk.createImage(data, offset, length);
    }

    public Image createImage(ImageProducer producer) {
        return tk.createImage(producer);
    }

    public Image createImage(byte[] imagedata) {
        return tk.createImage(imagedata);
    }


    /*
     * Fonts
     */
    public FontPeer getFontPeer(String name, int style) {
        if (componentFactory != null) {
            return componentFactory.getFontPeer(name, style);
        }
        return null;
    }

    public FontMetrics getFontMetrics(Font font) {
        return tk.getFontMetrics(font);
    }

    public String[] getFontList() {
        return tk.getFontList();
    }

    /*
     * Desktop properties
     */

    public void addPropertyChangeListener(String name,
        PropertyChangeListener pcl) {
        tk.addPropertyChangeListener(name, pcl);
    }

    public void removePropertyChangeListener(String name,
        PropertyChangeListener pcl) {
        tk.removePropertyChangeListener(name, pcl);
    }

    /*
     * Modality
     */
    public boolean isModalityTypeSupported(Dialog.ModalityType modalityType) {
        return false;
    }

    public boolean isModalExclusionTypeSupported(Dialog.ModalExclusionType exclusionType) {
        return false;
    }

    /*
     * Always on top
     */
    public boolean isAlwaysOnTopSupported() {
        return false;
    }

    /*
     * AWT Event listeners
     */

    public void addAWTEventListener(AWTEventListener listener,
        long eventMask) {
        tk.addAWTEventListener(listener, eventMask);
    }

    public void removeAWTEventListener(AWTEventListener listener) {
        tk.removeAWTEventListener(listener);
    }

    public AWTEventListener[] getAWTEventListeners() {
        return tk.getAWTEventListeners();
    }

    public AWTEventListener[] getAWTEventListeners(long eventMask) {
        return tk.getAWTEventListeners(eventMask);
    }

    public boolean isDesktopSupported() {
        return false;
    }

    public DesktopPeer createDesktopPeer(Desktop target)
    throws HeadlessException{
        throw new HeadlessException();
    }

    public boolean areExtraMouseButtonsEnabled() throws HeadlessException{
        throw new HeadlessException();
    }
}