/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @author Pavel Dolgov
*/
package org.apache.harmony.awt.datatransfer;
import java.awt.Point;
import java.awt.dnd.DragSourceContext;
import java.awt.dnd.DragSourceDragEvent;
import java.awt.dnd.DragSourceDropEvent;
import java.awt.dnd.DragSourceEvent;
/**
* Dispatches DragSource events on event dispatch thread
* in conjunction with {@link java.awt.EventQueue#invokeLater(Runnable)}
*/
public class DragSourceEventProxy implements Runnable {
public static final int DRAG_ENTER = 1;
public static final int DRAG_OVER = 2;
public static final int DRAG_ACTION_CHANGED = 3;
public static final int DRAG_MOUSE_MOVED = 4;
public static final int DRAG_EXIT = 5;
public static final int DRAG_DROP_END = 6;
private final DragSourceContext context;
private final int type;
private final int userAction;
private final int targetActions;
private final int x;
private final int y;
private final int modifiers;
private final boolean success;
public DragSourceEventProxy(DragSourceContext context,
int type, int userAction, int targetActions,
Point location, int modifiers) {
this.context = context;
this.type = type;
this.userAction = userAction;
this.targetActions = targetActions;
this.x = location.x;
this.y = location.y;
this.modifiers = modifiers;
this.success = false;
}
public DragSourceEventProxy(DragSourceContext context,
int type, int userAction, boolean success,
Point location, int modifiers) {
this.context = context;
this.type = type;
this.userAction = userAction;
this.targetActions = userAction;
this.x = location.x;
this.y = location.y;
this.modifiers = modifiers;
this.success = success;
}
public void run() {
switch (type) {
case DRAG_ENTER:
context.dragEnter(newDragSourceDragEvent());
break;
case DRAG_OVER:
context.dragOver(newDragSourceDragEvent());
break;
case DRAG_ACTION_CHANGED:
context.dropActionChanged(newDragSourceDragEvent());
break;
case DRAG_MOUSE_MOVED:
context.dragMouseMoved(newDragSourceDragEvent());
break;
case DRAG_EXIT:
context.dragExit(new DragSourceEvent(context, x, y));
break;
case DRAG_DROP_END:
context.dragExit(new DragSourceDropEvent(
context, userAction, success, x, y));
break;
}
}
private DragSourceDragEvent newDragSourceDragEvent() {
return new DragSourceDragEvent(
context, userAction, targetActions, modifiers, x, y);
}
}