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      1 /*
      2 * Copyright (C) 2009 Google Inc. All rights reserved.
      3 *
      4 * Redistribution and use in source and binary forms, with or without
      5 * modification, are permitted provided that the following conditions are
      6 * met:
      7 *
      8 *     * Redistributions of source code must retain the above copyright
      9 * notice, this list of conditions and the following disclaimer.
     10 *     * Redistributions in binary form must reproduce the above
     11 * copyright notice, this list of conditions and the following disclaimer
     12 * in the documentation and/or other materials provided with the
     13 * distribution.
     14 *     * Neither the name of Google Inc. nor the names of its
     15 * contributors may be used to endorse or promote products derived from
     16 * this software without specific prior written permission.
     17 *
     18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29 */
     30 
     31 #ifndef WebDragOperation_h
     32 #define WebDragOperation_h
     33 
     34 #include <limits.h>
     35 
     36 namespace WebKit {
     37 
     38 // "Verb" of a drag-and-drop operation as negotiated between the source and
     39 // destination.
     40 // (These constants match their equivalents in WebCore's DragActions.h and
     41 // should not be renumbered.)
     42 enum WebDragOperation {
     43     WebDragOperationNone    = 0,
     44     WebDragOperationCopy    = 1,
     45     WebDragOperationLink    = 2,
     46     WebDragOperationGeneric = 4,
     47     WebDragOperationPrivate = 8,
     48     WebDragOperationMove    = 16,
     49     WebDragOperationDelete  = 32,
     50     WebDragOperationEvery   = UINT_MAX
     51 };
     52 
     53 // Alternate typedef to make it clear when this is being used as a mask
     54 // with potentially multiple value bits set.
     55 typedef WebDragOperation WebDragOperationsMask;
     56 
     57 } // namespace WebKit
     58 
     59 #endif
     60