1 /*
2 * Copyright (c) 2008, 2009, Google 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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "ChromiumDataObjectLegacy.h"
33
34 #include "ClipboardMimeTypes.h"
35 #include "Pasteboard.h"
36 #include "PlatformBridge.h"
37
38 namespace WebCore {
39
40 // Per RFC 2483, the line separator for "text/..." MIME types is CR-LF.
41 static char const* const textMIMETypeLineSeparator = "\r\n";
42
clearData(const String & type)43 void ChromiumDataObjectLegacy::clearData(const String& type)
44 {
45 if (type == mimeTypeTextPlain) {
46 m_plainText = "";
47 return;
48 }
49
50 if (type == mimeTypeURL || type == mimeTypeTextURIList) {
51 m_uriList = "";
52 m_url = KURL();
53 m_urlTitle = "";
54 return;
55 }
56
57 if (type == mimeTypeTextHTML) {
58 m_textHtml = "";
59 m_htmlBaseUrl = KURL();
60 return;
61 }
62
63 if (type == mimeTypeDownloadURL) {
64 m_downloadMetadata = "";
65 return;
66 }
67 }
68
clearAll()69 void ChromiumDataObjectLegacy::clearAll()
70 {
71 clearAllExceptFiles();
72 m_filenames.clear();
73 }
74
clearAllExceptFiles()75 void ChromiumDataObjectLegacy::clearAllExceptFiles()
76 {
77 m_urlTitle = "";
78 m_url = KURL();
79 m_uriList = "";
80 m_downloadMetadata = "";
81 m_fileExtension = "";
82 m_plainText = "";
83 m_textHtml = "";
84 m_htmlBaseUrl = KURL();
85 m_fileContentFilename = "";
86 if (m_fileContent)
87 m_fileContent->clear();
88 }
89
hasData() const90 bool ChromiumDataObjectLegacy::hasData() const
91 {
92 return !m_url.isEmpty()
93 || !m_uriList.isEmpty()
94 || !m_downloadMetadata.isEmpty()
95 || !m_fileExtension.isEmpty()
96 || !m_filenames.isEmpty()
97 || !m_plainText.isEmpty()
98 || !m_textHtml.isEmpty()
99 || m_fileContent;
100 }
101
types() const102 HashSet<String> ChromiumDataObjectLegacy::types() const
103 {
104 // This is currently broken for pasteboard events, and always has been.
105 HashSet<String> results;
106
107 if (!m_plainText.isEmpty()) {
108 results.add(mimeTypeText);
109 results.add(mimeTypeTextPlain);
110 }
111
112 if (m_url.isValid())
113 results.add(mimeTypeURL);
114
115 if (!m_uriList.isEmpty())
116 results.add(mimeTypeTextURIList);
117
118 if (!m_textHtml.isEmpty())
119 results.add(mimeTypeTextHTML);
120
121 if (!m_filenames.isEmpty())
122 results.add("Files");
123
124 return results;
125 }
126
getData(const String & type,bool & success)127 String ChromiumDataObjectLegacy::getData(const String& type, bool& success)
128 {
129 if (type == mimeTypeTextPlain) {
130 if (m_clipboardType == Clipboard::CopyAndPaste) {
131 PasteboardPrivate::ClipboardBuffer buffer =
132 Pasteboard::generalPasteboard()->isSelectionMode() ?
133 PasteboardPrivate::SelectionBuffer :
134 PasteboardPrivate::StandardBuffer;
135 String text = PlatformBridge::clipboardReadPlainText(buffer);
136 success = !text.isEmpty();
137 return text;
138 }
139 success = !m_plainText.isEmpty();
140 return m_plainText;
141 }
142
143 if (type == mimeTypeURL) {
144 success = !m_url.isEmpty();
145 return m_url.string();
146 }
147
148 if (type == mimeTypeTextURIList) {
149 success = !m_uriList.isEmpty();
150 return m_uriList;
151 }
152
153 if (type == mimeTypeTextHTML) {
154 if (m_clipboardType == Clipboard::CopyAndPaste) {
155 PasteboardPrivate::ClipboardBuffer buffer =
156 Pasteboard::generalPasteboard()->isSelectionMode() ?
157 PasteboardPrivate::SelectionBuffer :
158 PasteboardPrivate::StandardBuffer;
159 String htmlText;
160 KURL sourceURL;
161 PlatformBridge::clipboardReadHTML(buffer, &htmlText, &sourceURL);
162 success = !htmlText.isEmpty();
163 return htmlText;
164 }
165 success = !m_textHtml.isEmpty();
166 return m_textHtml;
167 }
168
169 if (type == mimeTypeDownloadURL) {
170 success = !m_downloadMetadata.isEmpty();
171 return m_downloadMetadata;
172 }
173
174 success = false;
175 return String();
176 }
177
setData(const String & type,const String & data)178 bool ChromiumDataObjectLegacy::setData(const String& type, const String& data)
179 {
180 if (type == mimeTypeTextPlain) {
181 m_plainText = data;
182 return true;
183 }
184
185 if (type == mimeTypeURL || type == mimeTypeTextURIList) {
186 m_url = KURL();
187 Vector<String> uriList;
188 // Line separator is \r\n per RFC 2483 - however, for compatibility
189 // reasons we also allow just \n here.
190 data.split('\n', uriList);
191 // Process the input and copy the first valid URL into the url member.
192 // In case no URLs can be found, subsequent calls to getData("URL")
193 // will get an empty string. This is in line with the HTML5 spec (see
194 // "The DragEvent and DataTransfer interfaces").
195 for (size_t i = 0; i < uriList.size(); ++i) {
196 String& line = uriList[i];
197 line = line.stripWhiteSpace();
198 if (line.isEmpty())
199 continue;
200 if (line[0] == '#')
201 continue;
202 KURL url = KURL(ParsedURLString, line);
203 if (url.isValid()) {
204 m_url = url;
205 break;
206 }
207 }
208 m_uriList = data;
209 return true;
210 }
211
212 if (type == mimeTypeTextHTML) {
213 m_textHtml = data;
214 m_htmlBaseUrl = KURL();
215 return true;
216 }
217
218 if (type == mimeTypeDownloadURL) {
219 m_downloadMetadata = data;
220 return true;
221 }
222
223 return false;
224 }
225
ChromiumDataObjectLegacy(Clipboard::ClipboardType clipboardType)226 ChromiumDataObjectLegacy::ChromiumDataObjectLegacy(Clipboard::ClipboardType clipboardType)
227 : m_clipboardType(clipboardType)
228 {
229 }
230
ChromiumDataObjectLegacy(const ChromiumDataObjectLegacy & other)231 ChromiumDataObjectLegacy::ChromiumDataObjectLegacy(const ChromiumDataObjectLegacy& other)
232 : RefCounted<ChromiumDataObjectLegacy>()
233 , m_clipboardType(other.m_clipboardType)
234 , m_urlTitle(other.m_urlTitle)
235 , m_downloadMetadata(other.m_downloadMetadata)
236 , m_fileExtension(other.m_fileExtension)
237 , m_filenames(other.m_filenames)
238 , m_plainText(other.m_plainText)
239 , m_textHtml(other.m_textHtml)
240 , m_htmlBaseUrl(other.m_htmlBaseUrl)
241 , m_fileContentFilename(other.m_fileContentFilename)
242 , m_url(other.m_url)
243 , m_uriList(other.m_uriList)
244 {
245 if (other.m_fileContent.get())
246 m_fileContent = other.m_fileContent->copy();
247 }
248
249 } // namespace WebCore
250