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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 "Color.h"
     30 #include "DragActions.h"
     31 #include "IntPoint.h"
     32 
     33 #include <wtf/Forward.h>
     34 #include <wtf/HashMap.h>
     35 #include <wtf/Vector.h>
     36 
     37 #if PLATFORM(MAC)
     38 #include <wtf/RetainPtr.h>
     39 #ifdef __OBJC__
     40 #import <Foundation/Foundation.h>
     41 #import <AppKit/NSDragging.h>
     42 typedef id <NSDraggingInfo> DragDataRef;
     43 @class NSPasteboard;
     44 #else
     45 typedef void* DragDataRef;
     46 class NSPasteboard;
     47 #endif
     48 #elif PLATFORM(QT)
     49 QT_BEGIN_NAMESPACE
     50 class QMimeData;
     51 QT_END_NAMESPACE
     52 typedef const QMimeData* DragDataRef;
     53 #elif PLATFORM(WIN)
     54 typedef struct IDataObject* DragDataRef;
     55 #include <wtf/text/WTFString.h>
     56 #elif PLATFORM(WX)
     57 typedef class wxDataObject* DragDataRef;
     58 #elif PLATFORM(GTK)
     59 namespace WebCore {
     60 class DataObjectGtk;
     61 }
     62 typedef WebCore::DataObjectGtk* DragDataRef;
     63 #elif defined ANDROID
     64 typedef void* DragDataRef;
     65 #elif PLATFORM(CHROMIUM)
     66 #include "DragDataRef.h"
     67 #elif PLATFORM(HAIKU)
     68 class BMessage;
     69 typedef class BMessage* DragDataRef;
     70 #elif PLATFORM(EFL) || PLATFORM(BREWMP)
     71 typedef void* DragDataRef;
     72 #endif
     73 
     74 
     75 namespace WebCore {
     76 
     77 class Frame;
     78 class DocumentFragment;
     79 class KURL;
     80 class Range;
     81 
     82 enum DragApplicationFlags {
     83     DragApplicationNone = 0,
     84     DragApplicationIsModal = 1,
     85     DragApplicationIsSource = 2,
     86     DragApplicationHasAttachedSheet = 4,
     87     DragApplicationIsCopyKeyDown = 8
     88 };
     89 
     90 #if PLATFORM(WIN)
     91 typedef HashMap<UINT, Vector<String> > DragDataMap;
     92 #endif
     93 
     94 class DragData {
     95 public:
     96     enum FilenameConversionPolicy { DoNotConvertFilenames, ConvertFilenames };
     97 
     98     // clientPosition is taken to be the position of the drag event within the target window, with (0,0) at the top left
     99     DragData(DragDataRef, const IntPoint& clientPosition, const IntPoint& globalPosition, DragOperation, DragApplicationFlags = DragApplicationNone);
    100     DragData(const String& dragStorageName, const IntPoint& clientPosition, const IntPoint& globalPosition, DragOperation, DragApplicationFlags = DragApplicationNone);
    101 #if PLATFORM(WIN)
    102     DragData(const DragDataMap&, const IntPoint& clientPosition, const IntPoint& globalPosition, DragOperation sourceOperationMask, DragApplicationFlags = DragApplicationNone);
    103     const DragDataMap& dragDataMap();
    104 #endif
    105     const IntPoint& clientPosition() const { return m_clientPosition; }
    106     const IntPoint& globalPosition() const { return m_globalPosition; }
    107     DragApplicationFlags flags() { return m_applicationFlags; }
    108     DragDataRef platformData() const { return m_platformDragData; }
    109     DragOperation draggingSourceOperationMask() const { return m_draggingSourceOperationMask; }
    110     bool containsURL(Frame*, FilenameConversionPolicy filenamePolicy = ConvertFilenames) const;
    111     bool containsPlainText() const;
    112     bool containsCompatibleContent() const;
    113     String asURL(Frame*, FilenameConversionPolicy filenamePolicy = ConvertFilenames, String* title = 0) const;
    114     String asPlainText(Frame*) const;
    115     void asFilenames(Vector<String>&) const;
    116     Color asColor() const;
    117     PassRefPtr<DocumentFragment> asFragment(Frame*, PassRefPtr<Range> context,
    118                                             bool allowPlainText, bool& chosePlainText) const;
    119     bool canSmartReplace() const;
    120     bool containsColor() const;
    121     bool containsFiles() const;
    122 #if PLATFORM(MAC)
    123     NSPasteboard *pasteboard() { return m_pasteboard.get(); }
    124 #endif
    125 private:
    126     IntPoint m_clientPosition;
    127     IntPoint m_globalPosition;
    128     DragDataRef m_platformDragData;
    129     DragOperation m_draggingSourceOperationMask;
    130     DragApplicationFlags m_applicationFlags;
    131 #if PLATFORM(MAC)
    132     RetainPtr<NSPasteboard> m_pasteboard;
    133 #endif
    134 #if PLATFORM(WIN)
    135     DragDataMap m_dragDataMap;
    136 #endif
    137 };
    138 
    139 }
    140 
    141 #endif // !DragData_h
    142 
    143