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/clipboard/DataObject.h"
31 #include "core/dom/DocumentFragment.h"
32 #include "core/dom/Range.h"
33 #include "core/editing/markup.h"
34 #include "core/frame/LocalFrame.h"
35 #include "platform/FileMetadata.h"
36 #include "platform/clipboard/ClipboardMimeTypes.h"
37 #include "platform/weborigin/KURL.h"
38 #include "wtf/text/WTFString.h"
39
40 namespace blink {
41
DragData(DataObject * data,const IntPoint & clientPosition,const IntPoint & globalPosition,DragOperation sourceOperationMask,DragApplicationFlags flags)42 DragData::DragData(DataObject* data, const IntPoint& clientPosition, const IntPoint& globalPosition,
43 DragOperation sourceOperationMask, DragApplicationFlags flags)
44 : m_clientPosition(clientPosition)
45 , m_globalPosition(globalPosition)
46 , m_platformDragData(data)
47 , m_draggingSourceOperationMask(sourceOperationMask)
48 , m_applicationFlags(flags)
49 {
50 }
51
DragData(const String &,const IntPoint & clientPosition,const IntPoint & globalPosition,DragOperation sourceOperationMask,DragApplicationFlags flags)52 DragData::DragData(const String&, const IntPoint& clientPosition, const IntPoint& globalPosition,
53 DragOperation sourceOperationMask, DragApplicationFlags flags)
54 : m_clientPosition(clientPosition)
55 , m_globalPosition(globalPosition)
56 , m_platformDragData(0)
57 , m_draggingSourceOperationMask(sourceOperationMask)
58 , m_applicationFlags(flags)
59 {
60 }
61
containsHTML(const DataObject * dropData)62 static bool containsHTML(const DataObject* dropData)
63 {
64 return dropData->types().contains(mimeTypeTextHTML);
65 }
66
containsURL(FilenameConversionPolicy filenamePolicy) const67 bool DragData::containsURL(FilenameConversionPolicy filenamePolicy) const
68 {
69 return m_platformDragData->types().contains(mimeTypeTextURIList)
70 || (filenamePolicy == ConvertFilenames && m_platformDragData->containsFilenames());
71 }
72
asURL(FilenameConversionPolicy filenamePolicy,String * title) const73 String DragData::asURL(FilenameConversionPolicy filenamePolicy, String* title) const
74 {
75 String url;
76 if (m_platformDragData->types().contains(mimeTypeTextURIList))
77 m_platformDragData->urlAndTitle(url, title);
78 else if (filenamePolicy == ConvertFilenames && containsFiles())
79 url = filePathToURL(m_platformDragData->filenames()[0]);
80 return url;
81 }
82
containsFiles() const83 bool DragData::containsFiles() const
84 {
85 return m_platformDragData->containsFilenames();
86 }
87
numberOfFiles() const88 unsigned DragData::numberOfFiles() const
89 {
90 return m_platformDragData->filenames().size();
91 }
92
modifierKeyState() const93 int DragData::modifierKeyState() const
94 {
95 return m_platformDragData->modifierKeyState();
96 }
97
asFilenames(Vector<String> & result) const98 void DragData::asFilenames(Vector<String>& result) const
99 {
100 const Vector<String>& filenames = m_platformDragData->filenames();
101 for (size_t i = 0; i < filenames.size(); ++i)
102 result.append(filenames[i]);
103 }
104
containsPlainText() const105 bool DragData::containsPlainText() const
106 {
107 return m_platformDragData->types().contains(mimeTypeTextPlain);
108 }
109
asPlainText() const110 String DragData::asPlainText() const
111 {
112 return m_platformDragData->getData(mimeTypeTextPlain);
113 }
114
canSmartReplace() const115 bool DragData::canSmartReplace() const
116 {
117 // Mimic the situations in which mac allows drag&drop to do a smart replace.
118 // This is allowed whenever the drag data contains a 'range' (ie.,
119 // ClipboardWin::writeRange is called). For example, dragging a link
120 // should not result in a space being added.
121 return m_platformDragData->types().contains(mimeTypeTextPlain)
122 && !m_platformDragData->types().contains(mimeTypeTextURIList);
123 }
124
containsCompatibleContent() const125 bool DragData::containsCompatibleContent() const
126 {
127 return containsPlainText()
128 || containsURL()
129 || containsHTML(m_platformDragData)
130 || containsFiles();
131 }
132
asFragment(LocalFrame * frame,PassRefPtrWillBeRawPtr<Range>,bool,bool &) const133 PassRefPtrWillBeRawPtr<DocumentFragment> DragData::asFragment(LocalFrame* frame, PassRefPtrWillBeRawPtr<Range>, bool, bool&) const
134 {
135 /*
136 * Order is richest format first. On OSX this is:
137 * * Web Archive
138 * * Filenames
139 * * HTML
140 * * RTF
141 * * TIFF
142 * * PICT
143 */
144
145 if (containsFiles()) {
146 // FIXME: Implement this. Should be pretty simple to make some HTML
147 // and call createFragmentFromMarkup.
148 }
149
150 if (m_platformDragData->types().contains(mimeTypeTextHTML)) {
151 String html;
152 KURL baseURL;
153 m_platformDragData->htmlAndBaseURL(html, baseURL);
154 ASSERT(frame->document());
155 if (RefPtrWillBeRawPtr<DocumentFragment> fragment = createFragmentFromMarkup(*frame->document(), html, baseURL, DisallowScriptingAndPluginContent))
156 return fragment.release();
157 }
158
159 return nullptr;
160 }
161
droppedFileSystemId() const162 String DragData::droppedFileSystemId() const
163 {
164 return m_platformDragData->filesystemId();
165 }
166
167 } // namespace blink
168