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     public HToolkit() {
  48     }
  49 
  50     /*
  51      * Component peer objects - unsupported.
  52      */
  53 
  54     public WindowPeer createWindow(Window target)
  55         throws HeadlessException {
  56         throw new HeadlessException();
  57     }
  58 
  59     public FramePeer createFrame(Frame target)
  60         throws HeadlessException {
  61         throw new HeadlessException();
  62     }
  63 
  64     public DialogPeer createDialog(Dialog target)
  65         throws HeadlessException {
  66         throw new HeadlessException();
  67     }
  68 
  69     public ButtonPeer createButton(Button target)
  70         throws HeadlessException {
  71         throw new HeadlessException();
  72     }
  73 
  74     public TextFieldPeer createTextField(TextField target)
  75         throws HeadlessException {
  76         throw new HeadlessException();
  77     }
  78 
  79     public ChoicePeer createChoice(Choice target)
  80         throws HeadlessException {
  81         throw new HeadlessException();
  82     }
  83 
  84     public LabelPeer createLabel(Label target)
  85         throws HeadlessException {
  86         throw new HeadlessException();
  87     }
  88 
  89     public ListPeer createList(List target)
  90         throws HeadlessException {
  91         throw new HeadlessException();
  92     }
  93 
  94     public CheckboxPeer createCheckbox(Checkbox target)
  95         throws HeadlessException {
  96         throw new HeadlessException();
  97     }
  98 
  99     public ScrollbarPeer createScrollbar(Scrollbar target)
 100         throws HeadlessException {
 101         throw new HeadlessException();
 102     }
 103 
 104     public ScrollPanePeer createScrollPane(ScrollPane target)
 105         throws HeadlessException {
 106         throw new HeadlessException();
 107     }
 108 
 109     public TextAreaPeer createTextArea(TextArea target)
 110         throws HeadlessException {
 111         throw new HeadlessException();
 112     }
 113 
 114     public FileDialogPeer createFileDialog(FileDialog target)
 115         throws HeadlessException {
 116         throw new HeadlessException();
 117     }
 118 
 119     public MenuBarPeer createMenuBar(MenuBar target)
 120         throws HeadlessException {
 121         throw new HeadlessException();
 122     }
 123 
 124     public MenuPeer createMenu(Menu target)
 125         throws HeadlessException {
 126         throw new HeadlessException();
 127     }
 128 
 129     public PopupMenuPeer createPopupMenu(PopupMenu target)
 130         throws HeadlessException {
 131         throw new HeadlessException();
 132     }
 133 
 134     public MenuItemPeer createMenuItem(MenuItem target)
 135         throws HeadlessException {
 136         throw new HeadlessException();
 137     }
 138 
 139     public CheckboxMenuItemPeer createCheckboxMenuItem(CheckboxMenuItem target)
 140         throws HeadlessException {
 141         throw new HeadlessException();
 142     }
 143 
 144     public DragSourceContextPeer createDragSourceContextPeer(
 145         DragGestureEvent dge)
 146         throws InvalidDnDOperationException {
 147         throw new InvalidDnDOperationException("Headless environment");
 148     }
 149 
 150     public RobotPeer createRobot(Robot target, GraphicsDevice screen)
 151         throws AWTException, HeadlessException {
 152         throw new HeadlessException();
 153     }
 154 
 155     public KeyboardFocusManagerPeer createKeyboardFocusManagerPeer(KeyboardFocusManager manager) {
 156         // See 6833019.
 157         return
 158             new KeyboardFocusManagerPeer() {
 159                 public Window getCurrentFocusedWindow() { return null; }
 160                 public void setCurrentFocusOwner(Component comp) {}
 161                 public Component getCurrentFocusOwner() { return null; }
 162                 public void clearGlobalFocusOwner(Window activeWindow) {}
 163             };
 164     }
 165 
 166     public TrayIconPeer createTrayIcon(TrayIcon target)
 167       throws HeadlessException {
 168         throw new HeadlessException();
 169     }
 170 
 171     public SystemTrayPeer createSystemTray(SystemTray target)
 172       throws HeadlessException {
 173         throw new HeadlessException();
 174     }
 175 
 176     public boolean isTraySupported() {
 177         return false;
 178     }
 179 
 180     public GlobalCursorManager getGlobalCursorManager()
 181         throws HeadlessException {
 182         throw new HeadlessException();
 183     }
 184 
 185     /*
 186      * Headless toolkit - unsupported.
 187      */
 188     protected void loadSystemColors(int[] systemColors)
 189         throws HeadlessException {
 190         throw new HeadlessException();
 191     }
 192 
 193     public ColorModel getColorModel()
 194         throws HeadlessException {
 195         throw new HeadlessException();
 196     }
 197 
 198     public int getScreenResolution()
 199         throws HeadlessException {
 200         throw new HeadlessException();
 201     }
 202 
 203     public Map mapInputMethodHighlight(InputMethodHighlight highlight)
 204         throws HeadlessException {
 205         throw new HeadlessException();
 206     }
 207 
 208     public int getMenuShortcutKeyMask()
 209         throws HeadlessException {
 210         throw new HeadlessException();
 211     }
 212 
 213     public boolean getLockingKeyState(int keyCode)
 214         throws UnsupportedOperationException {
 215         throw new HeadlessException();
 216     }
 217 
 218     public void setLockingKeyState(int keyCode, boolean on)
 219         throws UnsupportedOperationException {
 220         throw new HeadlessException();
 221     }
 222 
 223     public Cursor createCustomCursor(Image cursor, Point hotSpot, String name)
 224         throws IndexOutOfBoundsException, HeadlessException {
 225         throw new HeadlessException();
 226     }
 227 
 228     public Dimension getBestCursorSize(int preferredWidth, int preferredHeight)
 229         throws HeadlessException {
 230         throw new HeadlessException();
 231     }
 232 
 233     public int getMaximumCursorColors()
 234         throws HeadlessException {
 235         throw new HeadlessException();
 236     }
 237 
 238     public <T extends DragGestureRecognizer> T
 239         createDragGestureRecognizer(Class<T> abstractRecognizerClass,
 240                                     DragSource ds, Component c,
 241                                     int srcActions, DragGestureListener dgl)
 242     {
 243         return null;
 244     }
 245 
 246     public int getScreenHeight()
 247         throws HeadlessException {
 248         throw new HeadlessException();
 249     }
 250 
 251     public int getScreenWidth()
 252         throws HeadlessException {
 253         throw new HeadlessException();
 254     }
 255 
 256     public Dimension getScreenSize()
 257         throws HeadlessException {
 258         throw new HeadlessException();
 259     }
 260 
 261     public Insets getScreenInsets(GraphicsConfiguration gc)
 262         throws HeadlessException {
 263         throw new HeadlessException();
 264     }
 265 
 266     public void setDynamicLayout(boolean dynamic)
 267         throws HeadlessException {
 268         throw new HeadlessException();
 269     }
 270 
 271     protected boolean isDynamicLayoutSet()
 272         throws HeadlessException {
 273         throw new HeadlessException();
 274     }
 275 
 276     public boolean isDynamicLayoutActive()
 277         throws HeadlessException {
 278         throw new HeadlessException();
 279     }
 280 
 281     public Clipboard getSystemClipboard()
 282         throws HeadlessException {
 283         throw new HeadlessException();
 284     }
 285 
 286     /*
 287      * Printing
 288      */
 289     public PrintJob getPrintJob(Frame frame, String jobtitle,
 290         JobAttributes jobAttributes,
 291         PageAttributes pageAttributes) {
 292         if (frame != null) {
 293             // Should never happen
 294             throw new HeadlessException();
 295         }
 296         throw new IllegalArgumentException(
 297                 "PrintJob not supported in a headless environment");
 298     }
 299 
 300     public PrintJob getPrintJob(Frame frame, String doctitle, Properties props)
 301     {
 302         if (frame != null) {
 303             // Should never happen
 304             throw new HeadlessException();
 305         }
 306         throw new IllegalArgumentException(
 307                 "PrintJob not supported in a headless environment");
 308     }
 309 
 310     /*
 311      * Headless toolkit - supported.
 312      */
 313 
 314     public void sync() {
 315         // Do nothing
 316     }
 317 
 318     protected boolean syncNativeQueue(final long timeout) {
 319         return false;
 320     }
 321 
 322     public void beep() {
 323         // Send alert character
 324         System.out.write(0x07);
 325     }
 326 
 327 
 328     /*
 329      * Fonts
 330      */
 331     public FontPeer getFontPeer(String name, int style) {
 332         return (FontPeer)null;
 333     }
 334 
 335     /*
 336      * Modality
 337      */
 338     public boolean isModalityTypeSupported(Dialog.ModalityType modalityType) {
 339         return false;
 340     }
 341 
 342     public boolean isModalExclusionTypeSupported(Dialog.ModalExclusionType exclusionType) {
 343         return false;
 344     }
 345 
 346     public boolean isDesktopSupported() {
 347         return false;
 348     }
 349 
 350     public DesktopPeer createDesktopPeer(Desktop target)
 351     throws HeadlessException{
 352         throw new HeadlessException();
 353     }
 354 
 355     public boolean isWindowOpacityControlSupported() {
 356         return false;
 357     }
 358 
 359     public boolean isWindowShapingSupported() {
 360         return false;
 361     }
 362 
 363     public boolean isWindowTranslucencySupported() {
 364         return false;
 365     }
 366 
 367     public  void grab(Window w) { }
 368 
 369     public void ungrab(Window w) { }
 370 
 371     protected boolean syncNativeQueue() { return false; }
 372 
 373     public InputMethodDescriptor getInputMethodAdapterDescriptor()
 374         throws AWTException
 375     {
 376         return (InputMethodDescriptor)null;
 377     }
 378 }