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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
clientPosition()105     const IntPoint& clientPosition() const { return m_clientPosition; }
globalPosition()106     const IntPoint& globalPosition() const { return m_globalPosition; }
flags()107     DragApplicationFlags flags() { return m_applicationFlags; }
platformData()108     DragDataRef platformData() const { return m_platformDragData; }
draggingSourceOperationMask()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)
pasteboard()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