Fix typedef of DragDataRef from id back to id<NSDraggingInfo>
[WebKit-https.git] / Source / WebCore / platform / mac / DragDataMac.mm
1 /*
2  * Copyright (C) 2007 Apple Inc.  All rights reserved.
3  *
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24  */
25
26 #import "config.h"
27 #import "DragData.h"
28
29 #if ENABLE(DRAG_SUPPORT)
30 #import "Document.h"
31 #import "DocumentFragment.h"
32 #import "DOMDocumentFragment.h"
33 #import "DOMDocumentFragmentInternal.h"
34 #import "Editor.h"
35 #import "EditorClient.h"
36 #import "Frame.h"
37 #import "MIMETypeRegistry.h"
38 #import "Pasteboard.h"
39 #import "PasteboardStrategy.h"
40 #import "PlatformStrategies.h"
41 #import "Range.h"
42
43 namespace WebCore {
44
45 DragData::DragData(DragDataRef data, const IntPoint& clientPosition, const IntPoint& globalPosition, 
46     DragOperation sourceOperationMask, DragApplicationFlags flags)
47     : m_clientPosition(clientPosition)
48     , m_globalPosition(globalPosition)
49     , m_platformDragData(data)
50     , m_draggingSourceOperationMask(sourceOperationMask)
51     , m_applicationFlags(flags)
52     , m_pasteboardName([[m_platformDragData draggingPasteboard] name])
53 {
54 }
55
56 DragData::DragData(const String& dragStorageName, const IntPoint& clientPosition, const IntPoint& globalPosition,
57     DragOperation sourceOperationMask, DragApplicationFlags flags)
58     : m_clientPosition(clientPosition)
59     , m_globalPosition(globalPosition)
60     , m_platformDragData(0)
61     , m_draggingSourceOperationMask(sourceOperationMask)
62     , m_applicationFlags(flags)
63     , m_pasteboardName(dragStorageName)
64 {
65 }
66     
67 bool DragData::canSmartReplace() const
68 {
69     return Pasteboard(m_pasteboardName).canSmartReplace();
70 }
71
72 bool DragData::containsColor() const
73 {
74     Vector<String> types;
75     platformStrategies()->pasteboardStrategy()->getTypes(types, m_pasteboardName);
76     return types.contains(String(NSColorPboardType));
77 }
78
79 bool DragData::containsFiles() const
80 {
81     Vector<String> types;
82     platformStrategies()->pasteboardStrategy()->getTypes(types, m_pasteboardName);
83     return types.contains(String(NSFilenamesPboardType));
84 }
85
86 unsigned DragData::numberOfFiles() const
87 {
88     Vector<String> files;
89     platformStrategies()->pasteboardStrategy()->getPathnamesForType(files, String(NSFilenamesPboardType), m_pasteboardName);
90     return files.size();
91 }
92
93 void DragData::asFilenames(Vector<String>& result) const
94 {
95     platformStrategies()->pasteboardStrategy()->getPathnamesForType(result, String(NSFilenamesPboardType), m_pasteboardName);
96 }
97
98 bool DragData::containsPlainText() const
99 {
100     Vector<String> types;
101     platformStrategies()->pasteboardStrategy()->getTypes(types, m_pasteboardName);
102
103     return types.contains(String(NSStringPboardType))
104         || types.contains(String(NSRTFDPboardType))
105         || types.contains(String(NSRTFPboardType))
106         || types.contains(String(NSFilenamesPboardType))
107         || platformStrategies()->pasteboardStrategy()->stringForType(String(NSURLPboardType), m_pasteboardName).length();
108 }
109
110 String DragData::asPlainText(Frame *frame) const
111 {
112     return frame->editor().readPlainTextFromPasteboard(*Pasteboard::create(m_pasteboardName));
113 }
114
115 Color DragData::asColor() const
116 {
117     return platformStrategies()->pasteboardStrategy()->color(m_pasteboardName);
118 }
119
120 bool DragData::containsCompatibleContent() const
121 {
122     Vector<String> types;
123     platformStrategies()->pasteboardStrategy()->getTypes(types, m_pasteboardName);
124     return types.contains(String(WebArchivePboardType))
125         || types.contains(String(NSHTMLPboardType))
126         || types.contains(String(NSFilenamesPboardType))
127         || types.contains(String(NSTIFFPboardType))
128         || types.contains(String(NSPDFPboardType))
129         || types.contains(String(NSURLPboardType))
130         || types.contains(String(NSRTFDPboardType))
131         || types.contains(String(NSRTFPboardType))
132         || types.contains(String(NSStringPboardType))
133         || types.contains(String(NSColorPboardType))
134         || types.contains(String(kUTTypePNG));
135 }
136     
137 bool DragData::containsURL(Frame* frame, FilenameConversionPolicy filenamePolicy) const
138 {
139     return !asURL(frame, filenamePolicy).isEmpty();
140 }
141
142 String DragData::asURL(Frame* frame, FilenameConversionPolicy, String* title) const
143 {
144     // FIXME: Use filenamePolicy.
145
146     if (title) {
147         String URLTitleString = platformStrategies()->pasteboardStrategy()->stringForType(String(WebURLNamePboardType), m_pasteboardName);
148         if (!URLTitleString.isEmpty())
149             *title = URLTitleString;
150     }
151     
152     Vector<String> types;
153     platformStrategies()->pasteboardStrategy()->getTypes(types, m_pasteboardName);
154     
155     // FIXME: using the editorClient to call into WebKit, for now, since 
156     // calling webkit_canonicalize from WebCore involves migrating a sizable amount of 
157     // helper code that should either be done in a separate patch or figured out in another way.
158     
159     if (types.contains(String(NSURLPboardType))) {
160         NSURL *URLFromPasteboard = [NSURL URLWithString:platformStrategies()->pasteboardStrategy()->stringForType(String(NSURLPboardType), m_pasteboardName)];
161         NSString *scheme = [URLFromPasteboard scheme];
162         // Cannot drop other schemes unless <rdar://problem/10562662> and <rdar://problem/11187315> are fixed.
163         if ([scheme isEqualToString:@"http"] || [scheme isEqualToString:@"https"])
164             return [frame->editor().client()->canonicalizeURL(URLFromPasteboard) absoluteString];
165     }
166     
167     if (types.contains(String(NSStringPboardType))) {
168         NSURL *URLFromPasteboard = [NSURL URLWithString:platformStrategies()->pasteboardStrategy()->stringForType(String(NSStringPboardType), m_pasteboardName)];
169         NSString *scheme = [URLFromPasteboard scheme];
170         // Pasteboard content is not trusted, because JavaScript code can modify it. We can sanitize it for URLs and other typed content, but not for strings.
171         // The result of this function is used to initiate navigation, so we shouldn't allow arbitrary file URLs.
172         // FIXME: Should we allow only http family schemes, or anything non-local?
173         if ([scheme isEqualToString:@"http"] || [scheme isEqualToString:@"https"])
174             return [frame->editor().client()->canonicalizeURL(URLFromPasteboard) absoluteString];
175     }
176     
177     if (types.contains(String(NSFilenamesPboardType))) {
178         Vector<String> files;
179         platformStrategies()->pasteboardStrategy()->getPathnamesForType(files, String(NSFilenamesPboardType), m_pasteboardName);
180         if (files.size() == 1) {
181             BOOL isDirectory;
182             if ([[NSFileManager defaultManager] fileExistsAtPath:files[0] isDirectory:&isDirectory] && isDirectory)
183                 return String();
184             return [frame->editor().client()->canonicalizeURL([NSURL fileURLWithPath:files[0]]) absoluteString];
185         }
186     }
187     
188     return String();        
189 }
190
191 PassRefPtr<DocumentFragment> DragData::asFragment(Frame* frame, Range& range, bool allowPlainText, bool& chosePlainText) const
192 {
193     Pasteboard pasteboard(m_pasteboardName);
194     return frame->editor().webContentFromPasteboard(pasteboard, range, allowPlainText, chosePlainText);
195 }
196     
197 } // namespace WebCore
198
199 #endif // ENABLE(DRAG_SUPPORT)