1 /* 2 * Copyright (c) 2011, 2014, 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 #ifndef CDropTarget_h 27 #define CDropTarget_h 28 29 #import <AppKit/AppKit.h> 30 #import <jni.h> 31 32 @class ControlModel; 33 34 @class CDropTarget; 35 36 @protocol CDropTargetHolder 37 - (void) setDropTarget:(CDropTarget *)target; 38 @end 39 40 @interface CDropTarget : NSObject { 41 @private 42 NSView<CDropTargetHolder>* fView; 43 jobject fComponent; 44 jobject fDropTarget; 45 jobject fDropTargetContextPeer; 46 } 47 48 + (CDropTarget *) currentDropTarget; 49 50 // Common methods: 51 - (id)init:(jobject)dropTarget component:(jobject)jcomponent peer:(jobject)jpeer control:(id)control; 52 - (void)controlModelControlValid; 53 - (void)removeFromView:(JNIEnv *)env; 54 55 - (NSInteger)getDraggingSequenceNumber; 56 - (jobject)copyDraggingDataForFormat:(jlong)format; 57 - (void)javaDraggingEnded:(jlong)draggingSequenceNumber success:(BOOL)jsuccess action:(jint)jdropaction; 58 59 // dnd APIs (see AppKit/NSDragging.h, NSDraggingDestination): 60 - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender; 61 - (NSDragOperation)draggingUpdated:(id <NSDraggingInfo>)sender; 62 - (void)draggingExited:(id <NSDraggingInfo>)sender; 63 - (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender; 64 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender; 65 - (void)concludeDragOperation:(id <NSDraggingInfo>)sender; 66 - (void)draggingEnded:(id <NSDraggingInfo>)sender; 67 68 - (jint)currentJavaActions; 69 70 @end 71 72 #endif // CDropTarget_h 73