text: /*
   * Copyright (C) 2011 Google Inc.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef DragState_h
  #define DragState_h
  
  #include "core/page/DragActions.h"
  #include "platform/heap/Handle.h"
  #include "wtf/Noncopyable.h"
  
  namespace blink {
  
  class DataTransfer;
  class Node;
  
  class DragState final : public GarbageCollected<DragState> {
      WTF_MAKE_NONCOPYABLE(DragState);
  public:
      DragState() { }
  
      Member<Node> m_dragSrc; // element that may be a drag source, for the current mouse gesture
      DragSourceAction m_dragType;
      Member<DataTransfer> m_dragDataTransfer; // used on only the source side of dragging
  
      DEFINE_INLINE_TRACE()
      {
          visitor->trace(m_dragSrc);
          visitor->trace(m_dragDataTransfer);
      }
  };
  
  } // namespace blink
  
  #endif // DragState_h
  