package apple.awt;

import java.awt.Component;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.dnd.DragGestureListener;
import java.awt.dnd.DragSource;
import java.awt.dnd.MouseDragGestureRecognizer;
import java.awt.event.MouseEvent;
import java.util.ArrayList;
import sun.awt.dnd.SunDragSourceContextPeer;

class CMouseDragGestureRecognizer extends MouseDragGestureRecognizer
{
  private static final int fMotionThreshold = getMotionThreshold();
  private static final int kDefaultMotionThreshold = 3;
  protected static final int ButtonMask = 7168;

  private static int getMotionThreshold()
  {
    try
    {
      return ((Integer)Toolkit.getDefaultToolkit().getDesktopProperty("DnD.gestureMotionThreshold")).intValue(); } catch (Exception localException) {
    }
    return 3;
  }

  protected CMouseDragGestureRecognizer(DragSource paramDragSource, Component paramComponent, int paramInt, DragGestureListener paramDragGestureListener)
  {
    super(paramDragSource, paramComponent, paramInt, paramDragGestureListener);
  }

  protected CMouseDragGestureRecognizer(DragSource paramDragSource, Component paramComponent, int paramInt) {
    this(paramDragSource, paramComponent, paramInt, null);
  }

  protected CMouseDragGestureRecognizer(DragSource paramDragSource, Component paramComponent) {
    this(paramDragSource, paramComponent, 0);
  }

  protected CMouseDragGestureRecognizer(DragSource paramDragSource) {
    this(paramDragSource, null);
  }

  protected int mapDragOperationFromModifiers(MouseEvent paramMouseEvent)
  {
    int i = paramMouseEvent.getModifiersEx();
    int j = i & 0x1C00;

    return SunDragSourceContextPeer.convertModifiersToDropAction(i, getSourceActions());
  }

  public void mouseClicked(MouseEvent paramMouseEvent)
  {
  }

  public void mousePressed(MouseEvent paramMouseEvent)
  {
    this.events.clear();

    if (mapDragOperationFromModifiers(paramMouseEvent) != 0)
      appendEvent(paramMouseEvent);
  }

  public void mouseReleased(MouseEvent paramMouseEvent)
  {
    this.events.clear();
  }

  public void mouseEntered(MouseEvent paramMouseEvent)
  {
    this.events.clear();
  }

  public void mouseExited(MouseEvent paramMouseEvent)
  {
    if (!this.events.isEmpty()) {
      int i = mapDragOperationFromModifiers(paramMouseEvent);

      if (i == 0)
        this.events.clear();
    }
  }

  public void mouseDragged(MouseEvent paramMouseEvent)
  {
    if (!this.events.isEmpty()) {
      int i = mapDragOperationFromModifiers(paramMouseEvent);

      if (i == 0) {
        return;
      }

      MouseEvent localMouseEvent = (MouseEvent)this.events.get(0);

      Point localPoint1 = localMouseEvent.getPoint();
      Point localPoint2 = paramMouseEvent.getPoint();

      int j = Math.abs(localPoint1.x - localPoint2.x);
      int k = Math.abs(localPoint1.y - localPoint2.y);

      if ((j >= fMotionThreshold) || (k >= fMotionThreshold))
        fireDragGestureRecognized(i, ((MouseEvent)getTriggerEvent()).getPoint());
      else
        appendEvent(paramMouseEvent);
    }
  }

  public void mouseMoved(MouseEvent paramMouseEvent)
  {
  }
}