1 /*
   2  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.awt;
  27 
  28 import java.awt.*;
  29 import java.awt.dnd.*;
  30 import java.awt.dnd.peer.DragSourceContextPeer;
  31 import java.awt.im.InputMethodHighlight;
  32 import java.awt.im.spi.InputMethodDescriptor;
  33 import java.awt.image.*;
  34 import java.awt.datatransfer.Clipboard;
  35 import java.awt.peer.*;
  36 import java.util.Map;
  37 import java.util.Properties;
  38 
  39 /*
  40  * HToolkit is a platform independent Toolkit used
  41  * with the HeadlessToolkit.  It is primarily used
  42  * in embedded JRE's that do not have sun/awt/X11 classes.
  43  */
  44 public class HToolkit extends SunToolkit
  45     implements ComponentFactory {
  46 
  47     private static final KeyboardFocusManagerPeer kfmPeer = new KeyboardFocusManagerPeer() {
  48         public void setCurrentFocusedWindow(Window win) {}
  49         public Window getCurrentFocusedWindow() { return null; }
  50         public void setCurrentFocusOwner(Component comp) {}
  51         public Component getCurrentFocusOwner() { return null; }
  52         public void clearGlobalFocusOwner(Window activeWindow) {}
  53     };
  54 
  55     public HToolkit() {
  56     }
  57 
  58     /*
  59      * Component peer objects - unsupported.
  60      */
  61 
  62     public WindowPeer createWindow(Window target)
  63         throws HeadlessException {
  64         throw new HeadlessException();
  65     }
  66 
  67     public FramePeer createLightweightFrame(LightweightFrame target)
  68         throws HeadlessException {
  69         throw new HeadlessException();
  70     }
  71 
  72     public FramePeer createFrame(Frame target)
  73         throws HeadlessException {
  74         throw new HeadlessException();
  75     }
  76 
  77     public DialogPeer createDialog(Dialog target)
  78         throws HeadlessException {
  79         throw new HeadlessException();
  80     }
  81 
  82     public ButtonPeer createButton(Button target)
  83         throws HeadlessException {
  84         throw new HeadlessException();
  85     }
  86 
  87     public TextFieldPeer createTextField(TextField target)
  88         throws HeadlessException {
  89         throw new HeadlessException();
  90     }
  91 
  92     public ChoicePeer createChoice(Choice target)
  93         throws HeadlessException {
  94         throw new HeadlessException();
  95     }
  96 
  97     public LabelPeer createLabel(Label target)
  98         throws HeadlessException {
  99         throw new HeadlessException();
 100     }
 101 
 102     public ListPeer createList(List target)
 103         throws HeadlessException {
 104         throw new HeadlessException();
 105     }
 106 
 107     public CheckboxPeer createCheckbox(Checkbox target)
 108         throws HeadlessException {
 109         throw new HeadlessException();
 110     }
 111 
 112     public ScrollbarPeer createScrollbar(Scrollbar target)
 113         throws HeadlessException {
 114         throw new HeadlessException();
 115     }
 116 
 117     public ScrollPanePeer createScrollPane(ScrollPane target)
 118         throws HeadlessException {
 119         throw new HeadlessException();
 120     }
 121 
 122     public TextAreaPeer createTextArea(TextArea target)
 123         throws HeadlessException {
 124         throw new HeadlessException();
 125     }
 126 
 127     public FileDialogPeer createFileDialog(FileDialog target)
 128         throws HeadlessException {
 129         throw new HeadlessException();
 130     }
 131 
 132     public MenuBarPeer createMenuBar(MenuBar target)
 133         throws HeadlessException {
 134         throw new HeadlessException();
 135     }
 136 
 137     public MenuPeer createMenu(Menu target)
 138         throws HeadlessException {
 139         throw new HeadlessException();
 140     }
 141 
 142     public PopupMenuPeer createPopupMenu(PopupMenu target)
 143         throws HeadlessException {
 144         throw new HeadlessException();
 145     }
 146 
 147     public MenuItemPeer createMenuItem(MenuItem target)
 148         throws HeadlessException {
 149         throw new HeadlessException();
 150     }
 151 
 152     public CheckboxMenuItemPeer createCheckboxMenuItem(CheckboxMenuItem target)
 153         throws HeadlessException {
 154         throw new HeadlessException();
 155     }
 156 
 157     public DragSourceContextPeer createDragSourceContextPeer(
 158         DragGestureEvent dge)
 159         throws InvalidDnDOperationException {
 160         throw new InvalidDnDOperationException("Headless environment");
 161     }
 162 
 163     public RobotPeer createRobot(Robot target, GraphicsDevice screen)
 164         throws AWTException, HeadlessException {
 165         throw new HeadlessException();
 166     }
 167 
 168     public KeyboardFocusManagerPeer getKeyboardFocusManagerPeer() {
 169         // See 6833019.
 170         return kfmPeer;
 171     }
 172 
 173     public TrayIconPeer createTrayIcon(TrayIcon target)
 174       throws HeadlessException {
 175         throw new HeadlessException();
 176     }
 177 
 178     public SystemTrayPeer createSystemTray(SystemTray target)
 179       throws HeadlessException {
 180         throw new HeadlessException();
 181     }
 182 
 183     public boolean isTraySupported() {
 184         return false;
 185     }
 186 
 187     public GlobalCursorManager getGlobalCursorManager()
 188         throws HeadlessException {
 189         throw new HeadlessException();
 190     }
 191 
 192     /*
 193      * Headless toolkit - unsupported.
 194      */
 195     protected void loadSystemColors(int[] systemColors)
 196         throws HeadlessException {
 197         throw new HeadlessException();
 198     }
 199 
 200     public ColorModel getColorModel()
 201         throws HeadlessException {
 202         throw new HeadlessException();
 203     }
 204 
 205     public int getScreenResolution()
 206         throws HeadlessException {
 207         throw new HeadlessException();
 208     }
 209 
 210     public Map mapInputMethodHighlight(InputMethodHighlight highlight)
 211         throws HeadlessException {
 212         throw new HeadlessException();
 213     }
 214 
 215     public int getMenuShortcutKeyMask()
 216         throws HeadlessException {
 217         throw new HeadlessException();
 218     }
 219 
 220     public boolean getLockingKeyState(int keyCode)
 221         throws UnsupportedOperationException {
 222         throw new HeadlessException();
 223     }
 224 
 225     public void setLockingKeyState(int keyCode, boolean on)
 226         throws UnsupportedOperationException {
 227         throw new HeadlessException();
 228     }
 229 
 230     public Cursor createCustomCursor(Image cursor, Point hotSpot, String name)
 231         throws IndexOutOfBoundsException, HeadlessException {
 232         throw new HeadlessException();
 233     }
 234 
 235     public Dimension getBestCursorSize(int preferredWidth, int preferredHeight)
 236         throws HeadlessException {
 237         throw new HeadlessException();
 238     }
 239 
 240     public int getMaximumCursorColors()
 241         throws HeadlessException {
 242         throw new HeadlessException();
 243     }
 244 
 245     public <T extends DragGestureRecognizer> T
 246         createDragGestureRecognizer(Class<T> abstractRecognizerClass,
 247                                     DragSource ds, Component c,
 248                                     int srcActions, DragGestureListener dgl)
 249     {
 250         return null;
 251     }
 252 
 253     public int getScreenHeight()
 254         throws HeadlessException {
 255         throw new HeadlessException();
 256     }
 257 
 258     public int getScreenWidth()
 259         throws HeadlessException {
 260         throw new HeadlessException();
 261     }
 262 
 263     public Dimension getScreenSize()
 264         throws HeadlessException {
 265         throw new HeadlessException();
 266     }
 267 
 268     public Insets getScreenInsets(GraphicsConfiguration gc)
 269         throws HeadlessException {
 270         throw new HeadlessException();
 271     }
 272 
 273     public void setDynamicLayout(boolean dynamic)
 274         throws HeadlessException {
 275         throw new HeadlessException();
 276     }
 277 
 278     protected boolean isDynamicLayoutSet()
 279         throws HeadlessException {
 280         throw new HeadlessException();
 281     }
 282 
 283     public boolean isDynamicLayoutActive()
 284         throws HeadlessException {
 285         throw new HeadlessException();
 286     }
 287 
 288     public Clipboard getSystemClipboard()
 289         throws HeadlessException {
 290         throw new HeadlessException();
 291     }
 292 
 293     /*
 294      * Printing
 295      */
 296     public PrintJob getPrintJob(Frame frame, String jobtitle,
 297         JobAttributes jobAttributes,
 298         PageAttributes pageAttributes) {
 299         if (frame != null) {
 300             // Should never happen
 301             throw new HeadlessException();
 302         }
 303         throw new IllegalArgumentException(
 304                 "PrintJob not supported in a headless environment");
 305     }
 306 
 307     public PrintJob getPrintJob(Frame frame, String doctitle, Properties props)
 308     {
 309         if (frame != null) {
 310             // Should never happen
 311             throw new HeadlessException();
 312         }
 313         throw new IllegalArgumentException(
 314                 "PrintJob not supported in a headless environment");
 315     }
 316 
 317     /*
 318      * Headless toolkit - supported.
 319      */
 320 
 321     public void sync() {
 322         // Do nothing
 323     }
 324 
 325     protected boolean syncNativeQueue(final long timeout) {
 326         return false;
 327     }
 328 
 329     public void beep() {
 330         // Send alert character
 331         System.out.write(0x07);
 332     }
 333 
 334 
 335     /*
 336      * Fonts
 337      */
 338     public FontPeer getFontPeer(String name, int style) {
 339         return (FontPeer)null;
 340     }
 341 
 342     /*
 343      * Modality
 344      */
 345     public boolean isModalityTypeSupported(Dialog.ModalityType modalityType) {
 346         return false;
 347     }
 348 
 349     public boolean isModalExclusionTypeSupported(Dialog.ModalExclusionType exclusionType) {
 350         return false;
 351     }
 352 
 353     public boolean isDesktopSupported() {
 354         return false;
 355     }
 356 
 357     public DesktopPeer createDesktopPeer(Desktop target)
 358     throws HeadlessException{
 359         throw new HeadlessException();
 360     }
 361 
 362     public boolean isWindowOpacityControlSupported() {
 363         return false;
 364     }
 365 
 366     public boolean isWindowShapingSupported() {
 367         return false;
 368     }
 369 
 370     public boolean isWindowTranslucencySupported() {
 371         return false;
 372     }
 373 
 374     public  void grab(Window w) { }
 375 
 376     public void ungrab(Window w) { }
 377 
 378     protected boolean syncNativeQueue() { return false; }
 379 
 380     public InputMethodDescriptor getInputMethodAdapterDescriptor()
 381         throws AWTException
 382     {
 383         return (InputMethodDescriptor)null;
 384     }
 385 }