1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 *
21 * Portions are Copyright (C) 2002 Netscape Communications Corporation.
22 * Other contributors: David Baron <dbaron@fas.harvard.edu>
23 *
24 * This library is free software; you can redistribute it and/or
25 * modify it under the terms of the GNU Lesser General Public
26 * License as published by the Free Software Foundation; either
27 * version 2.1 of the License, or (at your option) any later version.
28 *
29 * This library is distributed in the hope that it will be useful,
30 * but WITHOUT ANY WARRANTY; without even the implied warranty of
31 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
32 * Lesser General Public License for more details.
33 *
34 * You should have received a copy of the GNU Lesser General Public
35 * License along with this library; if not, write to the Free Software
36 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
37 *
38 * Alternatively, the document type parsing portions of this file may be used
39 * under the terms of either the Mozilla Public License Version 1.1, found at
40 * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
41 * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
42 * (the "GPL"), in which case the provisions of the MPL or the GPL are
43 * applicable instead of those above. If you wish to allow use of your
44 * version of this file only under the terms of one of those two
45 * licenses (the MPL or the GPL) and not to allow others to use your
46 * version of this file under the LGPL, indicate your decision by
47 * deleting the provisions above and replace them with the notice and
48 * other provisions required by the MPL or the GPL, as the case may be.
49 * If you do not delete the provisions above, a recipient may use your
50 * version of this file under any of the LGPL, the MPL or the GPL.
51 */
52
53 #include "config.h"
54 #include "HTMLDocument.h"
55
56 #include "CSSPropertyNames.h"
57 #include "CSSStyleSelector.h"
58 #include "CookieJar.h"
59 #include "DocumentLoader.h"
60 #include "DocumentType.h"
61 #include "ExceptionCode.h"
62 #include "FocusController.h"
63 #include "Frame.h"
64 #include "FrameLoader.h"
65 #include "FrameTree.h"
66 #include "FrameView.h"
67 #include "HashTools.h"
68 #include "HTMLDocumentParser.h"
69 #include "HTMLBodyElement.h"
70 #include "HTMLElementFactory.h"
71 #include "HTMLNames.h"
72 #include "InspectorInstrumentation.h"
73 #include "KURL.h"
74 #include "Page.h"
75 #include "Settings.h"
76 #include <wtf/text/CString.h>
77
78 namespace WebCore {
79
80 using namespace HTMLNames;
81
HTMLDocument(Frame * frame,const KURL & url)82 HTMLDocument::HTMLDocument(Frame* frame, const KURL& url)
83 : Document(frame, url, false, true)
84 {
85 clearXMLVersion();
86 }
87
~HTMLDocument()88 HTMLDocument::~HTMLDocument()
89 {
90 }
91
width()92 int HTMLDocument::width()
93 {
94 updateLayoutIgnorePendingStylesheets();
95 FrameView* frameView = view();
96 return frameView ? frameView->contentsWidth() : 0;
97 }
98
height()99 int HTMLDocument::height()
100 {
101 updateLayoutIgnorePendingStylesheets();
102 FrameView* frameView = view();
103 return frameView ? frameView->contentsHeight() : 0;
104 }
105
dir()106 String HTMLDocument::dir()
107 {
108 HTMLElement* b = body();
109 if (!b)
110 return String();
111 return b->getAttribute(dirAttr);
112 }
113
setDir(const String & value)114 void HTMLDocument::setDir(const String& value)
115 {
116 HTMLElement* b = body();
117 if (b)
118 b->setAttribute(dirAttr, value);
119 }
120
designMode() const121 String HTMLDocument::designMode() const
122 {
123 return inDesignMode() ? "on" : "off";
124 }
125
setDesignMode(const String & value)126 void HTMLDocument::setDesignMode(const String& value)
127 {
128 InheritedBool mode;
129 if (equalIgnoringCase(value, "on"))
130 mode = on;
131 else if (equalIgnoringCase(value, "off"))
132 mode = off;
133 else
134 mode = inherit;
135 Document::setDesignMode(mode);
136 }
137
activeElement()138 Element* HTMLDocument::activeElement()
139 {
140 if (Node* node = focusedNode())
141 if (node->isElementNode())
142 return static_cast<Element*>(node);
143 return body();
144 }
145
hasFocus()146 bool HTMLDocument::hasFocus()
147 {
148 Page* page = this->page();
149 if (!page)
150 return false;
151 if (!page->focusController()->isActive())
152 return false;
153 if (Frame* focusedFrame = page->focusController()->focusedFrame()) {
154 if (focusedFrame->tree()->isDescendantOf(frame()))
155 return true;
156 }
157 return false;
158 }
159
bgColor()160 String HTMLDocument::bgColor()
161 {
162 HTMLElement* b = body();
163 HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
164
165 if (!bodyElement)
166 return String();
167 return bodyElement->bgColor();
168 }
169
setBgColor(const String & value)170 void HTMLDocument::setBgColor(const String& value)
171 {
172 HTMLElement* b = body();
173 HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
174
175 if (bodyElement)
176 bodyElement->setBgColor(value);
177 }
178
fgColor()179 String HTMLDocument::fgColor()
180 {
181 HTMLElement* b = body();
182 HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
183
184 if (!bodyElement)
185 return String();
186 return bodyElement->text();
187 }
188
setFgColor(const String & value)189 void HTMLDocument::setFgColor(const String& value)
190 {
191 HTMLElement* b = body();
192 HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
193
194 if (bodyElement)
195 bodyElement->setText(value);
196 }
197
alinkColor()198 String HTMLDocument::alinkColor()
199 {
200 HTMLElement* b = body();
201 HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
202
203 if (!bodyElement)
204 return String();
205 return bodyElement->aLink();
206 }
207
setAlinkColor(const String & value)208 void HTMLDocument::setAlinkColor(const String& value)
209 {
210 HTMLElement* b = body();
211 HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
212
213 if (bodyElement) {
214 // This check is a bit silly, but some benchmarks like to set the
215 // document's link colors over and over to the same value and we
216 // don't want to incur a style update each time.
217 if (bodyElement->aLink() != value)
218 bodyElement->setALink(value);
219 }
220 }
221
linkColor()222 String HTMLDocument::linkColor()
223 {
224 HTMLElement* b = body();
225 HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
226
227 if (!bodyElement)
228 return String();
229 return bodyElement->link();
230 }
231
setLinkColor(const String & value)232 void HTMLDocument::setLinkColor(const String& value)
233 {
234 HTMLElement* b = body();
235 HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
236
237 if (bodyElement) {
238 // This check is a bit silly, but some benchmarks like to set the
239 // document's link colors over and over to the same value and we
240 // don't want to incur a style update each time.
241 if (bodyElement->link() != value)
242 bodyElement->setLink(value);
243 }
244 }
245
vlinkColor()246 String HTMLDocument::vlinkColor()
247 {
248 HTMLElement* b = body();
249 HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
250
251 if (!bodyElement)
252 return String();
253 return bodyElement->vLink();
254 }
255
setVlinkColor(const String & value)256 void HTMLDocument::setVlinkColor(const String& value)
257 {
258 HTMLElement* b = body();
259 HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
260
261 if (bodyElement) {
262 // This check is a bit silly, but some benchmarks like to set the
263 // document's link colors over and over to the same value and we
264 // don't want to incur a style update each time.
265 if (bodyElement->vLink() != value)
266 bodyElement->setVLink(value);
267 }
268 }
269
captureEvents()270 void HTMLDocument::captureEvents()
271 {
272 }
273
releaseEvents()274 void HTMLDocument::releaseEvents()
275 {
276 }
277
createParser()278 PassRefPtr<DocumentParser> HTMLDocument::createParser()
279 {
280 bool reportErrors = InspectorInstrumentation::hasFrontend(this->page());
281 return HTMLDocumentParser::create(this, reportErrors);
282 }
283
284 // --------------------------------------------------------------------------
285 // not part of the DOM
286 // --------------------------------------------------------------------------
287
createElement(const AtomicString & name,ExceptionCode & ec)288 PassRefPtr<Element> HTMLDocument::createElement(const AtomicString& name, ExceptionCode& ec)
289 {
290 if (!isValidName(name)) {
291 ec = INVALID_CHARACTER_ERR;
292 return 0;
293 }
294 return HTMLElementFactory::createHTMLElement(QualifiedName(nullAtom, name.lower(), xhtmlNamespaceURI), this, 0, false);
295 }
296
addItemToMap(HashCountedSet<AtomicStringImpl * > & map,const AtomicString & name)297 void HTMLDocument::addItemToMap(HashCountedSet<AtomicStringImpl*>& map, const AtomicString& name)
298 {
299 if (name.isEmpty())
300 return;
301 map.add(name.impl());
302 if (Frame* f = frame())
303 f->script()->namedItemAdded(this, name);
304 }
305
removeItemFromMap(HashCountedSet<AtomicStringImpl * > & map,const AtomicString & name)306 void HTMLDocument::removeItemFromMap(HashCountedSet<AtomicStringImpl*>& map, const AtomicString& name)
307 {
308 if (name.isEmpty())
309 return;
310 map.remove(name.impl());
311 if (Frame* f = frame())
312 f->script()->namedItemRemoved(this, name);
313 }
314
addNamedItem(const AtomicString & name)315 void HTMLDocument::addNamedItem(const AtomicString& name)
316 {
317 addItemToMap(m_namedItemCounts, name);
318 }
319
removeNamedItem(const AtomicString & name)320 void HTMLDocument::removeNamedItem(const AtomicString& name)
321 {
322 removeItemFromMap(m_namedItemCounts, name);
323 }
324
addExtraNamedItem(const AtomicString & name)325 void HTMLDocument::addExtraNamedItem(const AtomicString& name)
326 {
327 addItemToMap(m_extraNamedItemCounts, name);
328 }
329
removeExtraNamedItem(const AtomicString & name)330 void HTMLDocument::removeExtraNamedItem(const AtomicString& name)
331 {
332 removeItemFromMap(m_extraNamedItemCounts, name);
333 }
334
setCompatibilityModeFromDoctype()335 void HTMLDocument::setCompatibilityModeFromDoctype()
336 {
337 // There are three possible compatibility modes:
338 // Quirks - quirks mode emulates WinIE and NS4. CSS parsing is also relaxed in this mode, e.g., unit types can
339 // be omitted from numbers.
340 // Limited Quirks - This mode is identical to no-quirks mode except for its treatment of line-height in the inline box model.
341 // No Quirks - no quirks apply. Web pages will obey the specifications to the letter.
342 DocumentType* docType = doctype();
343 if (!docType)
344 return;
345
346 // Check for Quirks Mode.
347 const String& publicId = docType->publicId();
348 if (docType->name() != "html"
349 || publicId.startsWith("+//Silmaril//dtd html Pro v0r11 19970101//", false)
350 || publicId.startsWith("-//AdvaSoft Ltd//DTD HTML 3.0 asWedit + extensions//", false)
351 || publicId.startsWith("-//AS//DTD HTML 3.0 asWedit + extensions//", false)
352 || publicId.startsWith("-//IETF//DTD HTML 2.0 Level 1//", false)
353 || publicId.startsWith("-//IETF//DTD HTML 2.0 Level 2//", false)
354 || publicId.startsWith("-//IETF//DTD HTML 2.0 Strict Level 1//", false)
355 || publicId.startsWith("-//IETF//DTD HTML 2.0 Strict Level 2//", false)
356 || publicId.startsWith("-//IETF//DTD HTML 2.0 Strict//", false)
357 || publicId.startsWith("-//IETF//DTD HTML 2.0//", false)
358 || publicId.startsWith("-//IETF//DTD HTML 2.1E//", false)
359 || publicId.startsWith("-//IETF//DTD HTML 3.0//", false)
360 || publicId.startsWith("-//IETF//DTD HTML 3.2 Final//", false)
361 || publicId.startsWith("-//IETF//DTD HTML 3.2//", false)
362 || publicId.startsWith("-//IETF//DTD HTML 3//", false)
363 || publicId.startsWith("-//IETF//DTD HTML Level 0//", false)
364 || publicId.startsWith("-//IETF//DTD HTML Level 1//", false)
365 || publicId.startsWith("-//IETF//DTD HTML Level 2//", false)
366 || publicId.startsWith("-//IETF//DTD HTML Level 3//", false)
367 || publicId.startsWith("-//IETF//DTD HTML Strict Level 0//", false)
368 || publicId.startsWith("-//IETF//DTD HTML Strict Level 1//", false)
369 || publicId.startsWith("-//IETF//DTD HTML Strict Level 2//", false)
370 || publicId.startsWith("-//IETF//DTD HTML Strict Level 3//", false)
371 || publicId.startsWith("-//IETF//DTD HTML Strict//", false)
372 || publicId.startsWith("-//IETF//DTD HTML//", false)
373 || publicId.startsWith("-//Metrius//DTD Metrius Presentational//", false)
374 || publicId.startsWith("-//Microsoft//DTD Internet Explorer 2.0 HTML Strict//", false)
375 || publicId.startsWith("-//Microsoft//DTD Internet Explorer 2.0 HTML//", false)
376 || publicId.startsWith("-//Microsoft//DTD Internet Explorer 2.0 Tables//", false)
377 || publicId.startsWith("-//Microsoft//DTD Internet Explorer 3.0 HTML Strict//", false)
378 || publicId.startsWith("-//Microsoft//DTD Internet Explorer 3.0 HTML//", false)
379 || publicId.startsWith("-//Microsoft//DTD Internet Explorer 3.0 Tables//", false)
380 || publicId.startsWith("-//Netscape Comm. Corp.//DTD HTML//", false)
381 || publicId.startsWith("-//Netscape Comm. Corp.//DTD Strict HTML//", false)
382 || publicId.startsWith("-//O'Reilly and Associates//DTD HTML 2.0//", false)
383 || publicId.startsWith("-//O'Reilly and Associates//DTD HTML Extended 1.0//", false)
384 || publicId.startsWith("-//O'Reilly and Associates//DTD HTML Extended Relaxed 1.0//", false)
385 || publicId.startsWith("-//SoftQuad Software//DTD HoTMetaL PRO 6.0::19990601::extensions to HTML 4.0//", false)
386 || publicId.startsWith("-//SoftQuad//DTD HoTMetaL PRO 4.0::19971010::extensions to HTML 4.0//", false)
387 || publicId.startsWith("-//Spyglass//DTD HTML 2.0 Extended//", false)
388 || publicId.startsWith("-//SQ//DTD HTML 2.0 HoTMetaL + extensions//", false)
389 || publicId.startsWith("-//Sun Microsystems Corp.//DTD HotJava HTML//", false)
390 || publicId.startsWith("-//Sun Microsystems Corp.//DTD HotJava Strict HTML//", false)
391 || publicId.startsWith("-//W3C//DTD HTML 3 1995-03-24//", false)
392 || publicId.startsWith("-//W3C//DTD HTML 3.2 Draft//", false)
393 || publicId.startsWith("-//W3C//DTD HTML 3.2 Final//", false)
394 || publicId.startsWith("-//W3C//DTD HTML 3.2//", false)
395 || publicId.startsWith("-//W3C//DTD HTML 3.2S Draft//", false)
396 || publicId.startsWith("-//W3C//DTD HTML 4.0 Frameset//", false)
397 || publicId.startsWith("-//W3C//DTD HTML 4.0 Transitional//", false)
398 || publicId.startsWith("-//W3C//DTD HTML Experimental 19960712//", false)
399 || publicId.startsWith("-//W3C//DTD HTML Experimental 970421//", false)
400 || publicId.startsWith("-//W3C//DTD W3 HTML//", false)
401 || publicId.startsWith("-//W3O//DTD W3 HTML 3.0//", false)
402 || equalIgnoringCase(publicId, "-//W3O//DTD W3 HTML Strict 3.0//EN//")
403 || publicId.startsWith("-//WebTechs//DTD Mozilla HTML 2.0//", false)
404 || publicId.startsWith("-//WebTechs//DTD Mozilla HTML//", false)
405 || equalIgnoringCase(publicId, "-/W3C/DTD HTML 4.0 Transitional/EN")
406 || equalIgnoringCase(publicId, "HTML")
407 || equalIgnoringCase(docType->systemId(), "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd")
408 || (docType->systemId().isEmpty() && publicId.startsWith("-//W3C//DTD HTML 4.01 Frameset//", false))
409 || (docType->systemId().isEmpty() && publicId.startsWith("-//W3C//DTD HTML 4.01 Transitional//", false))) {
410 setCompatibilityMode(QuirksMode);
411 return;
412 }
413
414 // Check for Limited Quirks Mode.
415 if (publicId.startsWith("-//W3C//DTD XHTML 1.0 Frameset//", false)
416 || publicId.startsWith("-//W3C//DTD XHTML 1.0 Transitional//", false)
417 || (!docType->systemId().isEmpty() && publicId.startsWith("-//W3C//DTD HTML 4.01 Frameset//", false))
418 || (!docType->systemId().isEmpty() && publicId.startsWith("-//W3C//DTD HTML 4.01 Transitional//", false))) {
419 setCompatibilityMode(LimitedQuirksMode);
420 return;
421 }
422
423 // Otherwise we are No Quirks Mode.
424 setCompatibilityMode(NoQuirksMode);
425 return;
426 }
427
clear()428 void HTMLDocument::clear()
429 {
430 // FIXME: This does nothing, and that seems unlikely to be correct.
431 // We've long had a comment saying that IE doesn't support this.
432 // But I do see it in the documentation for Mozilla.
433 }
434
isFrameSet() const435 bool HTMLDocument::isFrameSet() const
436 {
437 HTMLElement* bodyElement = body();
438 return bodyElement && bodyElement->hasTagName(framesetTag);
439 }
440
441 }
442