public/web/WebDragOperation.h

/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
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* notice, this list of conditions and the following disclaimer.
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* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
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* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef WebDragOperation_h
#define WebDragOperation_h

#include <limits.h>

namespace blink {

// "Verb" of a drag-and-drop operation as negotiated between the source and
// destination.
// (These constants match their equivalents in WebCore's DragActions.h and
// should not be renumbered.)
enum WebDragOperation {
    WebDragOperationNone    = 0,
    WebDragOperationCopy    = 1,
    WebDragOperationLink    = 2,
    WebDragOperationGeneric = 4,
    WebDragOperationPrivate = 8,
    WebDragOperationMove    = 16,
    WebDragOperationDelete  = 32,
    WebDragOperationEvery   = UINT_MAX
};

// Alternate typedef to make it clear when this is being used as a mask
// with potentially multiple value bits set.
typedef WebDragOperation WebDragOperationsMask;

} // namespace blink

#endif