1 /*
   2  * Copyright (c) 2011, 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 DnDUtilities_h
  27 #define DnDUtilities_h
  28 
  29 #import <Cocoa/Cocoa.h>
  30 #include <jni.h>
  31 
  32 @interface DnDUtilities : NSObject {
  33 }
  34 
  35 // Common methods:
  36 + (NSString *) javaPboardType;
  37 
  38 // Dragging action mapping:
  39 + (jint)mapNSDragOperationToJava:(NSDragOperation)dragOperation;
  40 + (NSDragOperation)mapJavaDragOperationToNS:(jint)dragOperation;
  41 + (jint)mapNSDragOperationMaskToJava:(NSDragOperation)dragOperation;
  42 + (jint)narrowJavaDropActions:(jint)actions;
  43 
  44 // Mouse and key modifiers mapping:
  45 + (NSUInteger)mapJavaExtModifiersToNSMouseDownButtons:(jint)modifiers;
  46 + (NSUInteger)mapJavaExtModifiersToNSMouseUpButtons:(jint)modifiers;
  47 
  48 // Specialized key and mouse modifiers mapping (for operationChanged)
  49 + (jint)extractJavaExtKeyModifiersFromJavaExtModifiers:(jint)modifiers;
  50 + (jint)extractJavaExtMouseModifiersFromJavaExtModifiers:(jint)modifiers;
  51 
  52 // Getting the state of the current Drag
  53 + (NSDragOperation)nsDragOperationForModifiers:(NSUInteger)modifiers;
  54 + (jint) javaKeyModifiersForNSDragOperation:(NSDragOperation)dragOp;
  55 @end
  56 
  57 
  58 // Global debugging flag (for drag-and-drop) - this can be overriden locally per file:
  59 #ifndef DND_DEBUG
  60 //    #define DND_DEBUG TRUE
  61 #endif
  62 
  63 #if DND_DEBUG
  64     // Turn DLog (debug log) on for debugging:
  65     #define    DLog(arg1)                        NSLog(arg1)
  66     #define    DLog2(arg1, arg2)                NSLog(arg1, arg2)
  67     #define    DLog3(arg1, arg2, arg3)            NSLog(arg1, arg2, arg3)
  68     #define    DLog4(arg1, arg2, arg3, arg4)    NSLog(arg1, arg2, arg3, arg4)
  69     #define    DLog5(arg1, arg2, arg3, arg4, arg5)            NSLog(arg1, arg2, arg3, arg4, arg5)
  70     #define    DLog6(arg1, arg2, arg3, arg4, arg5, arg6)    NSLog(arg1, arg2, arg3, arg4, arg5, arg6)
  71 #else
  72     #define    DLog(arg1);
  73     #define    DLog2(arg1, arg2);
  74     #define    DLog3(arg1, arg2, arg3);
  75     #define    DLog4(arg1, arg2, arg3, arg4);
  76     #define    DLog5(arg1, arg2, arg3, arg4, arg5);
  77     #define    DLog6(arg1, arg2, arg3, arg4, arg5, arg6);
  78 #endif
  79 
  80 #endif // DnDUtilities_h