WebCore/DragData.h

   1 /*
   2  * Copyright (C) 2007 Apple 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
   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 DragData_h
  27 #define DragData_h
  28
  29 #include "ClipboardAccessPolicy.h"
  30 #include "Color.h"
  31 #include "DragActions.h"
  32 #include "IntPoint.h"
  33
  34 #include <wtf/Forward.h>
  35 #include <wtf/Vector.h>
  36
  37 typedef void* DragDataRef;
  38
  39 namespace WebCore {
  40
  41     class Clipboard;
  42     class Document;
  43     class DocumentFragment;
  44     class KURL;
  45
  46 #if PLATFORM(MAC)
  47     class PasteboardHelper;
  48 #endif
  49
  50
  51     class DragData {
  52     public:
  53 #if PLATFORM(MAC)
  54         //FIXME: In the future the WebKit functions provided by the helper class should be moved into WebCore,
  55         //after which this constructor should be removed
  56         DragData(DragDataRef data, const IntPoint& clientPosition, const IntPoint& globalPosition,
  57                  DragOperation operation, PasteboardHelper*);
  58 #else
  59         //clientPosition is taken to be the position of the drag event within the target window, with (0,0) at the top left
  60         DragData(DragDataRef data, const IntPoint& clientPosition, const IntPoint& globalPosition, DragOperation operation);
  61 #endif
  62         const IntPoint& clientPosition() const { return m_clientPosition; }
  63         const IntPoint& globalPosition() const { return m_globalPosition; }
  64         DragDataRef platformData() const { return m_platformDragData; }
  65         DragOperation draggingSourceOperationMask() const { return m_draggingSourceOperationMask; }
  66         PassRefPtr<Clipboard> createClipboard(ClipboardAccessPolicy) const;
  67         bool containsURL() const;
  68         bool containsPlainText() const;
  69         bool containsCompatibleContent() const;
  70         String asURL(String* title = 0) const;
  71         String asPlainText() const;
  72         void asFilenames(Vector<String>&) const;
  73         Color asColor() const;
  74         PassRefPtr<DocumentFragment> asFragment(Document*) const;
  75         bool canSmartReplace() const;
  76         bool containsColor() const;
  77         bool containsFiles() const;
  78     private:
  79         IntPoint m_clientPosition;
  80         IntPoint m_globalPosition;
  81         DragDataRef m_platformDragData;
  82         DragOperation m_draggingSourceOperationMask;
  83 #if PLATFORM(MAC)
  84         PasteboardHelper* m_pasteboardHelper;
  85 #endif
  86 };
  87
  88 } //namespace WebCore
  89
  90 #endif //!DragData_h
  91