1 /*
2 * Copyright (C) 2007 Apple Inc. All rights reserved.
3 * Copyright (C) 2013 Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include "config.h"
28 #include "core/page/DragData.h"
29
30 #include "core/dom/Document.h"
31 #include "core/dom/DocumentFragment.h"
32 #include "core/dom/Range.h"
33 #include "core/editing/markup.h"
34 #include "core/frame/Frame.h"
35 #include "core/platform/chromium/ChromiumDataObject.h"
36 #include "modules/filesystem/DraggedIsolatedFileSystem.h"
37 #include "platform/FileMetadata.h"
38 #include "platform/clipboard/ClipboardMimeTypes.h"
39 #include "platform/weborigin/KURL.h"
40 #include "wtf/text/WTFString.h"
41
42 namespace WebCore {
43
DragData(ChromiumDataObject * data,const IntPoint & clientPosition,const IntPoint & globalPosition,DragOperation sourceOperationMask,DragApplicationFlags flags)44 DragData::DragData(ChromiumDataObject* data, const IntPoint& clientPosition, const IntPoint& globalPosition,
45 DragOperation sourceOperationMask, DragApplicationFlags flags)
46 : m_clientPosition(clientPosition)
47 , m_globalPosition(globalPosition)
48 , m_platformDragData(data)
49 , m_draggingSourceOperationMask(sourceOperationMask)
50 , m_applicationFlags(flags)
51 {
52 }
53
DragData(const String &,const IntPoint & clientPosition,const IntPoint & globalPosition,DragOperation sourceOperationMask,DragApplicationFlags flags)54 DragData::DragData(const String&, const IntPoint& clientPosition, const IntPoint& globalPosition,
55 DragOperation sourceOperationMask, DragApplicationFlags flags)
56 : m_clientPosition(clientPosition)
57 , m_globalPosition(globalPosition)
58 , m_platformDragData(0)
59 , m_draggingSourceOperationMask(sourceOperationMask)
60 , m_applicationFlags(flags)
61 {
62 }
63
containsHTML(const ChromiumDataObject * dropData)64 static bool containsHTML(const ChromiumDataObject* dropData)
65 {
66 return dropData->types().contains(mimeTypeTextHTML);
67 }
68
containsURL(FilenameConversionPolicy filenamePolicy) const69 bool DragData::containsURL(FilenameConversionPolicy filenamePolicy) const
70 {
71 return m_platformDragData->types().contains(mimeTypeTextURIList)
72 || (filenamePolicy == ConvertFilenames && m_platformDragData->containsFilenames());
73 }
74
asURL(FilenameConversionPolicy filenamePolicy,String * title) const75 String DragData::asURL(FilenameConversionPolicy filenamePolicy, String* title) const
76 {
77 String url;
78 if (m_platformDragData->types().contains(mimeTypeTextURIList))
79 m_platformDragData->urlAndTitle(url, title);
80 else if (filenamePolicy == ConvertFilenames && containsFiles())
81 url = filePathToURL(m_platformDragData->filenames()[0]);
82 return url;
83 }
84
containsFiles() const85 bool DragData::containsFiles() const
86 {
87 return m_platformDragData->containsFilenames();
88 }
89
numberOfFiles() const90 unsigned DragData::numberOfFiles() const
91 {
92 return m_platformDragData->filenames().size();
93 }
94
modifierKeyState() const95 int DragData::modifierKeyState() const
96 {
97 return m_platformDragData->modifierKeyState();
98 }
99
asFilenames(Vector<String> & result) const100 void DragData::asFilenames(Vector<String>& result) const
101 {
102 const Vector<String>& filenames = m_platformDragData->filenames();
103 for (size_t i = 0; i < filenames.size(); ++i)
104 result.append(filenames[i]);
105 }
106
containsPlainText() const107 bool DragData::containsPlainText() const
108 {
109 return m_platformDragData->types().contains(mimeTypeTextPlain);
110 }
111
asPlainText() const112 String DragData::asPlainText() const
113 {
114 return m_platformDragData->getData(mimeTypeTextPlain);
115 }
116
canSmartReplace() const117 bool DragData::canSmartReplace() const
118 {
119 // Mimic the situations in which mac allows drag&drop to do a smart replace.
120 // This is allowed whenever the drag data contains a 'range' (ie.,
121 // ClipboardWin::writeRange is called). For example, dragging a link
122 // should not result in a space being added.
123 return m_platformDragData->types().contains(mimeTypeTextPlain)
124 && !m_platformDragData->types().contains(mimeTypeTextURIList);
125 }
126
containsCompatibleContent() const127 bool DragData::containsCompatibleContent() const
128 {
129 return containsPlainText()
130 || containsURL()
131 || containsHTML(m_platformDragData)
132 || containsFiles();
133 }
134
asFragment(Frame * frame,PassRefPtr<Range>,bool,bool &) const135 PassRefPtr<DocumentFragment> DragData::asFragment(Frame* frame, PassRefPtr<Range>, bool, bool&) const
136 {
137 /*
138 * Order is richest format first. On OSX this is:
139 * * Web Archive
140 * * Filenames
141 * * HTML
142 * * RTF
143 * * TIFF
144 * * PICT
145 */
146
147 if (containsFiles()) {
148 // FIXME: Implement this. Should be pretty simple to make some HTML
149 // and call createFragmentFromMarkup.
150 }
151
152 if (m_platformDragData->types().contains(mimeTypeTextHTML)) {
153 String html;
154 KURL baseURL;
155 m_platformDragData->htmlAndBaseURL(html, baseURL);
156 ASSERT(frame->document());
157 if (RefPtr<DocumentFragment> fragment = createFragmentFromMarkup(*frame->document(), html, baseURL, DisallowScriptingAndPluginContent))
158 return fragment.release();
159 }
160
161 return 0;
162 }
163
droppedFileSystemId() const164 String DragData::droppedFileSystemId() const
165 {
166 DraggedIsolatedFileSystem* filesystem = DraggedIsolatedFileSystem::from(m_platformDragData);
167 if (!filesystem)
168 return String();
169 return filesystem->filesystemId();
170 }
171
172 } // namespace WebCore
173