/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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package sun.lwawt.macosx;
import java.awt.Component;
import java.awt.peer.ComponentPeer;
import java.awt.dnd.DropTarget;
import sun.lwawt.LWComponentPeer;
public final class CDropTarget {
Component fComponent;
ComponentPeer fPeer;
DropTarget fDropTarget;
private long fNativeDropTarget;
public static CDropTarget createDropTarget(DropTarget dropTarget, Component component, ComponentPeer peer) {
return new CDropTarget(dropTarget, component, peer);
}
private CDropTarget(DropTarget dropTarget, Component component, ComponentPeer peer) {
super();
fDropTarget = dropTarget;
fComponent = component;
fPeer = peer;
// Make sure the drop target is a ComponentModel:
if (!(peer instanceof LWComponentPeer))
throw new IllegalArgumentException("CDropTarget's peer must be a LWComponentPeer.");
// Get model pointer (CButton.m and such) and its native peer:
LWComponentPeer model = (LWComponentPeer) peer;
if (model.getPlatformWindow() instanceof CPlatformWindow) {
CPlatformWindow platformWindow = (CPlatformWindow) model.getPlatformWindow();
long nativePeer = platformWindow.getNSWindowPtr();
// Create native dragging destination:
fNativeDropTarget = this.createNativeDropTarget(dropTarget, component, peer, nativePeer);
if (fNativeDropTarget == 0) {
throw new IllegalStateException("CDropTarget.createNativeDropTarget() failed.");
}
}
}
public DropTarget getDropTarget() {
return fDropTarget;
}
public void dispose() {
// Release native dragging destination, if any:
if (fNativeDropTarget != 0) {
this.releaseNativeDropTarget(fNativeDropTarget);
fNativeDropTarget = 0;
}
}
protected native long createNativeDropTarget(DropTarget dropTarget, Component component, ComponentPeer peer, long nativePeer);
protected native void releaseNativeDropTarget(long nativeDropTarget);
}