1 /* 2 * Copyright (C) 2011 Google Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef DragState_h 27 #define DragState_h 28 29 #include "core/page/DragActions.h" 30 #include "wtf/Noncopyable.h" 31 #include "wtf/RefPtr.h" 32 33 namespace WebCore { 34 35 class Clipboard; 36 class Node; 37 38 class DragState : public NoBaseWillBeGarbageCollected<DragState> { 39 WTF_MAKE_NONCOPYABLE(DragState); 40 public: 41 DragState() { } 42 43 RefPtrWillBeMember<Node> m_dragSrc; // element that may be a drag source, for the current mouse gesture 44 DragSourceAction m_dragType; 45 RefPtrWillBeMember<Clipboard> m_dragClipboard; // used on only the source side of dragging 46 47 void trace(Visitor* visitor) 48 { 49 visitor->trace(m_dragSrc); 50 visitor->trace(m_dragClipboard); 51 } 52 }; 53 54 } // namespace WebCore 55 56 #endif // DragState_h 57
