| /* |
| * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package sun.awt.windows; |
| |
| import java.awt.Component; |
| import java.awt.Cursor; |
| |
| import java.awt.datatransfer.Transferable; |
| |
| import java.awt.dnd.DragGestureEvent; |
| import java.awt.dnd.InvalidDnDOperationException; |
| |
| import java.awt.event.InputEvent; |
| |
| import java.util.Map; |
| |
| import sun.awt.dnd.SunDragSourceContextPeer; |
| |
| /** |
| * <p> |
| * TBC |
| * </p> |
| * |
| * @since JDK1.2 |
| * |
| */ |
| |
| final class WDragSourceContextPeer extends SunDragSourceContextPeer { |
| public void startSecondaryEventLoop(){ |
| WToolkit.startSecondaryEventLoop(); |
| } |
| public void quitSecondaryEventLoop(){ |
| WToolkit.quitSecondaryEventLoop(); |
| } |
| |
| private static final WDragSourceContextPeer theInstance = |
| new WDragSourceContextPeer(null); |
| |
| /** |
| * construct a new WDragSourceContextPeer. package private |
| */ |
| |
| private WDragSourceContextPeer(DragGestureEvent dge) { |
| super(dge); |
| } |
| |
| static WDragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) throws InvalidDnDOperationException { |
| theInstance.setTrigger(dge); |
| return theInstance; |
| } |
| |
| protected void startDrag(Transferable trans, |
| long[] formats, Map formatMap) { |
| |
| long nativeCtxtLocal = 0; |
| |
| nativeCtxtLocal = createDragSource(getTrigger().getComponent(), |
| trans, |
| getTrigger().getTriggerEvent(), |
| getTrigger().getSourceAsDragGestureRecognizer().getSourceActions(), |
| formats, |
| formatMap); |
| |
| if (nativeCtxtLocal == 0) { |
| throw new InvalidDnDOperationException("failed to create native peer"); |
| } |
| |
| setNativeContext(nativeCtxtLocal); |
| |
| WDropTargetContextPeer.setCurrentJVMLocalSourceTransferable(trans); |
| |
| doDragDrop(getNativeContext(), getCursor()); |
| } |
| |
| /** |
| * downcall into native code |
| */ |
| |
| native long createDragSource(Component component, |
| Transferable transferable, |
| InputEvent nativeTrigger, |
| int actions, |
| long[] formats, |
| Map formatMap); |
| |
| /** |
| * downcall into native code |
| */ |
| |
| native void doDragDrop(long nativeCtxt, Cursor cursor); |
| |
| protected native void setNativeCursor(long nativeCtxt, Cursor c, int cType); |
| |
| } |