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      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 #if PLATFORM(MAC)
     38 #ifdef __OBJC__
     39 #import <Foundation/Foundation.h>
     40 #import <AppKit/NSDragging.h>
     41 typedef id <NSDraggingInfo> DragDataRef;
     42 #else
     43 typedef void* DragDataRef;
     44 #endif
     45 #elif PLATFORM(QT)
     46 QT_BEGIN_NAMESPACE
     47 class QMimeData;
     48 QT_END_NAMESPACE
     49 typedef const QMimeData* DragDataRef;
     50 #elif PLATFORM(WIN)
     51 typedef struct IDataObject* DragDataRef;
     52 #elif PLATFORM(WX)
     53 typedef class wxDataObject* DragDataRef;
     54 #elif PLATFORM(GTK)
     55 // FIXME: this should probably be something gdk-specific
     56 typedef void* DragDataRef;
     57 #elif defined ANDROID
     58 typedef void* DragDataRef;
     59 #elif PLATFORM(CHROMIUM)
     60 #include "DragDataRef.h"
     61 #elif PLATFORM(HAIKU)
     62 class BMessage;
     63 typedef class BMessage* DragDataRef;
     64 #endif
     65 
     66 
     67 namespace WebCore {
     68 
     69     class Clipboard;
     70     class Document;
     71     class DocumentFragment;
     72     class KURL;
     73 
     74 #if PLATFORM(MAC)
     75     class PasteboardHelper;
     76 #endif
     77 
     78 
     79     class DragData {
     80     public:
     81 #if PLATFORM(MAC)
     82         //FIXME: In the future the WebKit functions provided by the helper class should be moved into WebCore,
     83         //after which this constructor should be removed
     84         DragData(DragDataRef data, const IntPoint& clientPosition, const IntPoint& globalPosition,
     85                  DragOperation operation, PasteboardHelper*);
     86 #else
     87         //clientPosition is taken to be the position of the drag event within the target window, with (0,0) at the top left
     88         DragData(DragDataRef data, const IntPoint& clientPosition, const IntPoint& globalPosition, DragOperation operation);
     89 #endif
     90         const IntPoint& clientPosition() const { return m_clientPosition; }
     91         const IntPoint& globalPosition() const { return m_globalPosition; }
     92         DragDataRef platformData() const { return m_platformDragData; }
     93         DragOperation draggingSourceOperationMask() const { return m_draggingSourceOperationMask; }
     94         PassRefPtr<Clipboard> createClipboard(ClipboardAccessPolicy) const;
     95         bool containsURL() const;
     96         bool containsPlainText() const;
     97         bool containsCompatibleContent() const;
     98         String asURL(String* title = 0) const;
     99         String asPlainText() const;
    100         void asFilenames(Vector<String>&) const;
    101         Color asColor() const;
    102         PassRefPtr<DocumentFragment> asFragment(Document*) const;
    103         bool canSmartReplace() const;
    104         bool containsColor() const;
    105         bool containsFiles() const;
    106     private:
    107         IntPoint m_clientPosition;
    108         IntPoint m_globalPosition;
    109         DragDataRef m_platformDragData;
    110         DragOperation m_draggingSourceOperationMask;
    111 #if PLATFORM(MAC)
    112         PasteboardHelper* m_pasteboardHelper;
    113 #endif
    114 };
    115 
    116 } //namespace WebCore
    117 
    118 #endif //!DragData_h
    119 
    120