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1 /*
2  * Copyright (C) 1997 Martin Jones (mjones@kde.org)
3  *           (C) 1997 Torben Weis (weis@kde.org)
4  *           (C) 1998 Waldo Bastian (bastian@kde.org)
5  *           (C) 1999 Lars Knoll (knoll@kde.org)
6  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
7  * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2010 Apple Inc. All rights reserved.
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Library General Public
11  * License as published by the Free Software Foundation; either
12  * version 2 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * Library General Public License for more details.
18  *
19  * You should have received a copy of the GNU Library General Public License
20  * along with this library; see the file COPYING.LIB.  If not, write to
21  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22  * Boston, MA 02110-1301, USA.
23  */
24 
25 #include "config.h"
26 #include "HTMLTableElement.h"
27 
28 #include "Attribute.h"
29 #include "CSSPropertyNames.h"
30 #include "CSSStyleSheet.h"
31 #include "CSSValueKeywords.h"
32 #include "ExceptionCode.h"
33 #include "HTMLNames.h"
34 #include "HTMLParserIdioms.h"
35 #include "HTMLTableCaptionElement.h"
36 #include "HTMLTableRowElement.h"
37 #include "HTMLTableRowsCollection.h"
38 #include "HTMLTableSectionElement.h"
39 #include "RenderTable.h"
40 #include "Text.h"
41 
42 namespace WebCore {
43 
44 using namespace HTMLNames;
45 
HTMLTableElement(const QualifiedName & tagName,Document * document)46 HTMLTableElement::HTMLTableElement(const QualifiedName& tagName, Document* document)
47     : HTMLElement(tagName, document)
48     , m_borderAttr(false)
49     , m_borderColorAttr(false)
50     , m_frameAttr(false)
51     , m_rulesAttr(UnsetRules)
52     , m_padding(1)
53 {
54     ASSERT(hasTagName(tableTag));
55 }
56 
create(Document * document)57 PassRefPtr<HTMLTableElement> HTMLTableElement::create(Document* document)
58 {
59     return adoptRef(new HTMLTableElement(tableTag, document));
60 }
61 
create(const QualifiedName & tagName,Document * document)62 PassRefPtr<HTMLTableElement> HTMLTableElement::create(const QualifiedName& tagName, Document* document)
63 {
64     return adoptRef(new HTMLTableElement(tagName, document));
65 }
66 
caption() const67 HTMLTableCaptionElement* HTMLTableElement::caption() const
68 {
69     for (Node* child = firstChild(); child; child = child->nextSibling()) {
70         if (child->hasTagName(captionTag))
71             return static_cast<HTMLTableCaptionElement*>(child);
72     }
73     return 0;
74 }
75 
setCaption(PassRefPtr<HTMLTableCaptionElement> newCaption,ExceptionCode & ec)76 void HTMLTableElement::setCaption(PassRefPtr<HTMLTableCaptionElement> newCaption, ExceptionCode& ec)
77 {
78     deleteCaption();
79     insertBefore(newCaption, firstChild(), ec);
80 }
81 
tHead() const82 HTMLTableSectionElement* HTMLTableElement::tHead() const
83 {
84     for (Node* child = firstChild(); child; child = child->nextSibling()) {
85         if (child->hasTagName(theadTag))
86             return static_cast<HTMLTableSectionElement*>(child);
87     }
88     return 0;
89 }
90 
setTHead(PassRefPtr<HTMLTableSectionElement> newHead,ExceptionCode & ec)91 void HTMLTableElement::setTHead(PassRefPtr<HTMLTableSectionElement> newHead, ExceptionCode& ec)
92 {
93     deleteTHead();
94 
95     Node* child;
96     for (child = firstChild(); child; child = child->nextSibling())
97         if (child->isElementNode() && !child->hasTagName(captionTag) && !child->hasTagName(colgroupTag))
98             break;
99 
100     insertBefore(newHead, child, ec);
101 }
102 
tFoot() const103 HTMLTableSectionElement* HTMLTableElement::tFoot() const
104 {
105     for (Node* child = firstChild(); child; child = child->nextSibling()) {
106         if (child->hasTagName(tfootTag))
107             return static_cast<HTMLTableSectionElement*>(child);
108     }
109     return 0;
110 }
111 
setTFoot(PassRefPtr<HTMLTableSectionElement> newFoot,ExceptionCode & ec)112 void HTMLTableElement::setTFoot(PassRefPtr<HTMLTableSectionElement> newFoot, ExceptionCode& ec)
113 {
114     deleteTFoot();
115 
116     Node* child;
117     for (child = firstChild(); child; child = child->nextSibling())
118         if (child->isElementNode() && !child->hasTagName(captionTag) && !child->hasTagName(colgroupTag) && !child->hasTagName(theadTag))
119             break;
120 
121     insertBefore(newFoot, child, ec);
122 }
123 
createTHead()124 PassRefPtr<HTMLElement> HTMLTableElement::createTHead()
125 {
126     if (HTMLTableSectionElement* existingHead = tHead())
127         return existingHead;
128     RefPtr<HTMLTableSectionElement> head = HTMLTableSectionElement::create(theadTag, document());
129     ExceptionCode ec;
130     setTHead(head, ec);
131     return head.release();
132 }
133 
deleteTHead()134 void HTMLTableElement::deleteTHead()
135 {
136     ExceptionCode ec;
137     removeChild(tHead(), ec);
138 }
139 
createTFoot()140 PassRefPtr<HTMLElement> HTMLTableElement::createTFoot()
141 {
142     if (HTMLTableSectionElement* existingFoot = tFoot())
143         return existingFoot;
144     RefPtr<HTMLTableSectionElement> foot = HTMLTableSectionElement::create(tfootTag, document());
145     ExceptionCode ec;
146     setTFoot(foot, ec);
147     return foot.release();
148 }
149 
deleteTFoot()150 void HTMLTableElement::deleteTFoot()
151 {
152     ExceptionCode ec;
153     removeChild(tFoot(), ec);
154 }
155 
createCaption()156 PassRefPtr<HTMLElement> HTMLTableElement::createCaption()
157 {
158     if (HTMLTableCaptionElement* existingCaption = caption())
159         return existingCaption;
160     RefPtr<HTMLTableCaptionElement> caption = HTMLTableCaptionElement::create(captionTag, document());
161     ExceptionCode ec;
162     setCaption(caption, ec);
163     return caption.release();
164 }
165 
deleteCaption()166 void HTMLTableElement::deleteCaption()
167 {
168     ExceptionCode ec;
169     removeChild(caption(), ec);
170 }
171 
lastBody() const172 HTMLTableSectionElement* HTMLTableElement::lastBody() const
173 {
174     for (Node* child = lastChild(); child; child = child->previousSibling()) {
175         if (child->hasTagName(tbodyTag))
176             return static_cast<HTMLTableSectionElement*>(child);
177     }
178     return 0;
179 }
180 
insertRow(int index,ExceptionCode & ec)181 PassRefPtr<HTMLElement> HTMLTableElement::insertRow(int index, ExceptionCode& ec)
182 {
183     if (index < -1) {
184         ec = INDEX_SIZE_ERR;
185         return 0;
186     }
187 
188     HTMLTableRowElement* lastRow = 0;
189     HTMLTableRowElement* row = 0;
190     if (index == -1)
191         lastRow = HTMLTableRowsCollection::lastRow(this);
192     else {
193         for (int i = 0; i <= index; ++i) {
194             row = HTMLTableRowsCollection::rowAfter(this, lastRow);
195             if (!row) {
196                 if (i != index) {
197                     ec = INDEX_SIZE_ERR;
198                     return 0;
199                 }
200                 break;
201             }
202             lastRow = row;
203         }
204     }
205 
206     ContainerNode* parent;
207     if (lastRow)
208         parent = row ? row->parentNode() : lastRow->parentNode();
209     else {
210         parent = lastBody();
211         if (!parent) {
212             RefPtr<HTMLTableSectionElement> newBody = HTMLTableSectionElement::create(tbodyTag, document());
213             RefPtr<HTMLTableRowElement> newRow = HTMLTableRowElement::create(document());
214             newBody->appendChild(newRow, ec);
215             appendChild(newBody.release(), ec);
216             return newRow.release();
217         }
218     }
219 
220     RefPtr<HTMLTableRowElement> newRow = HTMLTableRowElement::create(document());
221     parent->insertBefore(newRow, row, ec);
222     return newRow.release();
223 }
224 
deleteRow(int index,ExceptionCode & ec)225 void HTMLTableElement::deleteRow(int index, ExceptionCode& ec)
226 {
227     HTMLTableRowElement* row = 0;
228     if (index == -1)
229         row = HTMLTableRowsCollection::lastRow(this);
230     else {
231         for (int i = 0; i <= index; ++i) {
232             row = HTMLTableRowsCollection::rowAfter(this, row);
233             if (!row)
234                 break;
235         }
236     }
237     if (!row) {
238         ec = INDEX_SIZE_ERR;
239         return;
240     }
241     row->remove(ec);
242 }
243 
mapToEntry(const QualifiedName & attrName,MappedAttributeEntry & result) const244 bool HTMLTableElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
245 {
246     if (attrName == backgroundAttr) {
247         result = (MappedAttributeEntry)(eLastEntry + document()->docID());
248         return false;
249     }
250 
251     if (attrName == widthAttr ||
252         attrName == heightAttr ||
253         attrName == bgcolorAttr ||
254         attrName == cellspacingAttr ||
255         attrName == vspaceAttr ||
256         attrName == hspaceAttr ||
257         attrName == valignAttr) {
258         result = eUniversal;
259         return false;
260     }
261 
262     if (attrName == bordercolorAttr || attrName == frameAttr || attrName == rulesAttr) {
263         result = eUniversal;
264         return true;
265     }
266 
267     if (attrName == borderAttr) {
268         result = eTable;
269         return true;
270     }
271 
272     if (attrName == alignAttr) {
273         result = eTable;
274         return false;
275     }
276 
277     return HTMLElement::mapToEntry(attrName, result);
278 }
279 
isTableCellAncestor(Node * n)280 static inline bool isTableCellAncestor(Node* n)
281 {
282     return n->hasTagName(theadTag) || n->hasTagName(tbodyTag) ||
283            n->hasTagName(tfootTag) || n->hasTagName(trTag) ||
284            n->hasTagName(thTag);
285 }
286 
setTableCellsChanged(Node * n)287 static bool setTableCellsChanged(Node* n)
288 {
289     ASSERT(n);
290     bool cellChanged = false;
291 
292     if (n->hasTagName(tdTag))
293         cellChanged = true;
294     else if (isTableCellAncestor(n)) {
295         for (Node* child = n->firstChild(); child; child = child->nextSibling())
296             cellChanged |= setTableCellsChanged(child);
297     }
298 
299     if (cellChanged)
300        n->setNeedsStyleRecalc();
301 
302     return cellChanged;
303 }
304 
parseMappedAttribute(Attribute * attr)305 void HTMLTableElement::parseMappedAttribute(Attribute* attr)
306 {
307     CellBorders bordersBefore = cellBorders();
308     unsigned short oldPadding = m_padding;
309 
310     if (attr->name() == widthAttr)
311         addCSSLength(attr, CSSPropertyWidth, attr->value());
312     else if (attr->name() == heightAttr)
313         addCSSLength(attr, CSSPropertyHeight, attr->value());
314     else if (attr->name() == borderAttr)  {
315         m_borderAttr = true;
316         if (attr->decl()) {
317             RefPtr<CSSValue> val = attr->decl()->getPropertyCSSValue(CSSPropertyBorderLeftWidth);
318             if (val && val->isPrimitiveValue()) {
319                 CSSPrimitiveValue* primVal = static_cast<CSSPrimitiveValue*>(val.get());
320                 m_borderAttr = primVal->getDoubleValue(CSSPrimitiveValue::CSS_NUMBER);
321             }
322         } else if (!attr->isNull()) {
323             int border = 0;
324             if (attr->isEmpty())
325                 border = 1;
326             else
327                 border = attr->value().toInt();
328             m_borderAttr = border;
329             addCSSLength(attr, CSSPropertyBorderWidth, String::number(border));
330         }
331     } else if (attr->name() == bgcolorAttr)
332         addCSSColor(attr, CSSPropertyBackgroundColor, attr->value());
333     else if (attr->name() == bordercolorAttr) {
334         m_borderColorAttr = attr->decl();
335         if (!attr->decl() && !attr->isEmpty()) {
336             addCSSColor(attr, CSSPropertyBorderColor, attr->value());
337             m_borderColorAttr = true;
338         }
339     } else if (attr->name() == backgroundAttr) {
340         String url = stripLeadingAndTrailingHTMLSpaces(attr->value());
341         if (!url.isEmpty())
342             addCSSImageProperty(attr, CSSPropertyBackgroundImage, document()->completeURL(url).string());
343     } else if (attr->name() == frameAttr) {
344         // Cache the value of "frame" so that the table can examine it later.
345         m_frameAttr = false;
346 
347         // Whether or not to hide the top/right/bottom/left borders.
348         const int cTop = 0;
349         const int cRight = 1;
350         const int cBottom = 2;
351         const int cLeft = 3;
352         bool borders[4] = { false, false, false, false };
353 
354         // void, above, below, hsides, vsides, lhs, rhs, box, border
355         if (equalIgnoringCase(attr->value(), "void"))
356             m_frameAttr = true;
357         else if (equalIgnoringCase(attr->value(), "above")) {
358             m_frameAttr = true;
359             borders[cTop] = true;
360         } else if (equalIgnoringCase(attr->value(), "below")) {
361             m_frameAttr = true;
362             borders[cBottom] = true;
363         } else if (equalIgnoringCase(attr->value(), "hsides")) {
364             m_frameAttr = true;
365             borders[cTop] = borders[cBottom] = true;
366         } else if (equalIgnoringCase(attr->value(), "vsides")) {
367             m_frameAttr = true;
368             borders[cLeft] = borders[cRight] = true;
369         } else if (equalIgnoringCase(attr->value(), "lhs")) {
370             m_frameAttr = true;
371             borders[cLeft] = true;
372         } else if (equalIgnoringCase(attr->value(), "rhs")) {
373             m_frameAttr = true;
374             borders[cRight] = true;
375         } else if (equalIgnoringCase(attr->value(), "box") ||
376                    equalIgnoringCase(attr->value(), "border")) {
377             m_frameAttr = true;
378             borders[cTop] = borders[cBottom] = borders[cLeft] = borders[cRight] = true;
379         }
380 
381         // Now map in the border styles of solid and hidden respectively.
382         if (m_frameAttr) {
383             addCSSProperty(attr, CSSPropertyBorderTopWidth, CSSValueThin);
384             addCSSProperty(attr, CSSPropertyBorderBottomWidth, CSSValueThin);
385             addCSSProperty(attr, CSSPropertyBorderLeftWidth, CSSValueThin);
386             addCSSProperty(attr, CSSPropertyBorderRightWidth, CSSValueThin);
387             addCSSProperty(attr, CSSPropertyBorderTopStyle, borders[cTop] ? CSSValueSolid : CSSValueHidden);
388             addCSSProperty(attr, CSSPropertyBorderBottomStyle, borders[cBottom] ? CSSValueSolid : CSSValueHidden);
389             addCSSProperty(attr, CSSPropertyBorderLeftStyle, borders[cLeft] ? CSSValueSolid : CSSValueHidden);
390             addCSSProperty(attr, CSSPropertyBorderRightStyle, borders[cRight] ? CSSValueSolid : CSSValueHidden);
391         }
392     } else if (attr->name() == rulesAttr) {
393         m_rulesAttr = UnsetRules;
394         if (equalIgnoringCase(attr->value(), "none"))
395             m_rulesAttr = NoneRules;
396         else if (equalIgnoringCase(attr->value(), "groups"))
397             m_rulesAttr = GroupsRules;
398         else if (equalIgnoringCase(attr->value(), "rows"))
399             m_rulesAttr = RowsRules;
400         if (equalIgnoringCase(attr->value(), "cols"))
401             m_rulesAttr = ColsRules;
402         if (equalIgnoringCase(attr->value(), "all"))
403             m_rulesAttr = AllRules;
404 
405         // The presence of a valid rules attribute causes border collapsing to be enabled.
406         if (m_rulesAttr != UnsetRules)
407             addCSSProperty(attr, CSSPropertyBorderCollapse, CSSValueCollapse);
408     } else if (attr->name() == cellspacingAttr) {
409         if (!attr->value().isEmpty())
410             addCSSLength(attr, CSSPropertyBorderSpacing, attr->value());
411     } else if (attr->name() == cellpaddingAttr) {
412         if (!attr->value().isEmpty())
413             m_padding = max(0, attr->value().toInt());
414         else
415             m_padding = 1;
416     } else if (attr->name() == colsAttr) {
417         // ###
418     } else if (attr->name() == vspaceAttr) {
419         addCSSLength(attr, CSSPropertyMarginTop, attr->value());
420         addCSSLength(attr, CSSPropertyMarginBottom, attr->value());
421     } else if (attr->name() == hspaceAttr) {
422         addCSSLength(attr, CSSPropertyMarginLeft, attr->value());
423         addCSSLength(attr, CSSPropertyMarginRight, attr->value());
424     } else if (attr->name() == alignAttr) {
425         if (!attr->value().isEmpty()) {
426             if (equalIgnoringCase(attr->value(), "center")) {
427                 addCSSProperty(attr, CSSPropertyWebkitMarginStart, CSSValueAuto);
428                 addCSSProperty(attr, CSSPropertyWebkitMarginEnd, CSSValueAuto);
429             } else
430                 addCSSProperty(attr, CSSPropertyFloat, attr->value());
431         }
432     } else if (attr->name() == valignAttr) {
433         if (!attr->value().isEmpty())
434             addCSSProperty(attr, CSSPropertyVerticalAlign, attr->value());
435     } else
436         HTMLElement::parseMappedAttribute(attr);
437 
438     if (bordersBefore != cellBorders() || oldPadding != m_padding) {
439         if (oldPadding != m_padding)
440             m_paddingDecl = 0;
441         bool cellChanged = false;
442         for (Node* child = firstChild(); child; child = child->nextSibling())
443             cellChanged |= setTableCellsChanged(child);
444         if (cellChanged)
445             setNeedsStyleRecalc();
446     }
447 }
448 
additionalAttributeStyleDecls(Vector<CSSMutableStyleDeclaration * > & results)449 void HTMLTableElement::additionalAttributeStyleDecls(Vector<CSSMutableStyleDeclaration*>& results)
450 {
451     if ((!m_borderAttr && !m_borderColorAttr) || m_frameAttr)
452         return;
453 
454     AtomicString borderValue = m_borderColorAttr ? "solid" : "outset";
455     CSSMappedAttributeDeclaration* decl = getMappedAttributeDecl(ePersistent, tableborderAttr, borderValue);
456     if (!decl) {
457         decl = CSSMappedAttributeDeclaration::create().releaseRef(); // This single ref pins us in the table until the document dies.
458         decl->setParent(document()->elementSheet());
459         decl->setNode(this);
460         decl->setStrictParsing(false); // Mapped attributes are just always quirky.
461 
462         int v = m_borderColorAttr ? CSSValueSolid : CSSValueOutset;
463         decl->setProperty(CSSPropertyBorderTopStyle, v, false);
464         decl->setProperty(CSSPropertyBorderBottomStyle, v, false);
465         decl->setProperty(CSSPropertyBorderLeftStyle, v, false);
466         decl->setProperty(CSSPropertyBorderRightStyle, v, false);
467 
468         setMappedAttributeDecl(ePersistent, tableborderAttr, borderValue, decl);
469         decl->setParent(0);
470         decl->setNode(0);
471         decl->setMappedState(ePersistent, tableborderAttr, borderValue);
472     }
473 
474 
475     results.append(decl);
476 }
477 
cellBorders() const478 HTMLTableElement::CellBorders HTMLTableElement::cellBorders() const
479 {
480     switch (m_rulesAttr) {
481         case NoneRules:
482         case GroupsRules:
483             return NoBorders;
484         case AllRules:
485             return SolidBorders;
486         case ColsRules:
487             return SolidBordersColsOnly;
488         case RowsRules:
489             return SolidBordersRowsOnly;
490         case UnsetRules:
491             if (!m_borderAttr)
492                 return NoBorders;
493             if (m_borderColorAttr)
494                 return SolidBorders;
495             return InsetBorders;
496     }
497     ASSERT_NOT_REACHED();
498     return NoBorders;
499 }
500 
addSharedCellDecls(Vector<CSSMutableStyleDeclaration * > & results)501 void HTMLTableElement::addSharedCellDecls(Vector<CSSMutableStyleDeclaration*>& results)
502 {
503     addSharedCellBordersDecl(results);
504     addSharedCellPaddingDecl(results);
505 }
506 
addSharedCellBordersDecl(Vector<CSSMutableStyleDeclaration * > & results)507 void HTMLTableElement::addSharedCellBordersDecl(Vector<CSSMutableStyleDeclaration*>& results)
508 {
509     CellBorders borders = cellBorders();
510 
511     static const AtomicString* cellBorderNames[] = { new AtomicString("none"), new AtomicString("solid"), new AtomicString("inset"), new AtomicString("solid-cols"), new AtomicString("solid-rows") };
512     const AtomicString& cellborderValue = *cellBorderNames[borders];
513     CSSMappedAttributeDeclaration* decl = getMappedAttributeDecl(ePersistent, cellborderAttr, cellborderValue);
514     if (!decl) {
515         decl = CSSMappedAttributeDeclaration::create().releaseRef(); // This single ref pins us in the table until the document dies.
516         decl->setParent(document()->elementSheet());
517         decl->setNode(this);
518         decl->setStrictParsing(false); // Mapped attributes are just always quirky.
519 
520         switch (borders) {
521             case SolidBordersColsOnly:
522                 decl->setProperty(CSSPropertyBorderLeftWidth, CSSValueThin, false);
523                 decl->setProperty(CSSPropertyBorderRightWidth, CSSValueThin, false);
524                 decl->setProperty(CSSPropertyBorderLeftStyle, CSSValueSolid, false);
525                 decl->setProperty(CSSPropertyBorderRightStyle, CSSValueSolid, false);
526                 decl->setProperty(CSSPropertyBorderColor, "inherit", false);
527                 break;
528             case SolidBordersRowsOnly:
529                 decl->setProperty(CSSPropertyBorderTopWidth, CSSValueThin, false);
530                 decl->setProperty(CSSPropertyBorderBottomWidth, CSSValueThin, false);
531                 decl->setProperty(CSSPropertyBorderTopStyle, CSSValueSolid, false);
532                 decl->setProperty(CSSPropertyBorderBottomStyle, CSSValueSolid, false);
533                 decl->setProperty(CSSPropertyBorderColor, "inherit", false);
534                 break;
535             case SolidBorders:
536                 decl->setProperty(CSSPropertyBorderWidth, "1px", false);
537                 decl->setProperty(CSSPropertyBorderTopStyle, CSSValueSolid, false);
538                 decl->setProperty(CSSPropertyBorderBottomStyle, CSSValueSolid, false);
539                 decl->setProperty(CSSPropertyBorderLeftStyle, CSSValueSolid, false);
540                 decl->setProperty(CSSPropertyBorderRightStyle, CSSValueSolid, false);
541                 decl->setProperty(CSSPropertyBorderColor, "inherit", false);
542                 break;
543             case InsetBorders:
544                 decl->setProperty(CSSPropertyBorderWidth, "1px", false);
545                 decl->setProperty(CSSPropertyBorderTopStyle, CSSValueInset, false);
546                 decl->setProperty(CSSPropertyBorderBottomStyle, CSSValueInset, false);
547                 decl->setProperty(CSSPropertyBorderLeftStyle, CSSValueInset, false);
548                 decl->setProperty(CSSPropertyBorderRightStyle, CSSValueInset, false);
549                 decl->setProperty(CSSPropertyBorderColor, "inherit", false);
550                 break;
551             case NoBorders:
552                 decl->setProperty(CSSPropertyBorderWidth, "0", false);
553                 break;
554         }
555 
556         setMappedAttributeDecl(ePersistent, cellborderAttr, *cellBorderNames[borders], decl);
557         decl->setParent(0);
558         decl->setNode(0);
559         decl->setMappedState(ePersistent, cellborderAttr, cellborderValue);
560     }
561 
562     results.append(decl);
563 }
564 
addSharedCellPaddingDecl(Vector<CSSMutableStyleDeclaration * > & results)565 void HTMLTableElement::addSharedCellPaddingDecl(Vector<CSSMutableStyleDeclaration*>& results)
566 {
567     if (m_padding == 0)
568         return;
569 
570     if (!m_paddingDecl) {
571         String paddingValue = String::number(m_padding);
572         m_paddingDecl = getMappedAttributeDecl(eUniversal, cellpaddingAttr, paddingValue);
573         if (!m_paddingDecl) {
574             m_paddingDecl = CSSMappedAttributeDeclaration::create();
575             m_paddingDecl->setParent(document()->elementSheet());
576             m_paddingDecl->setNode(this);
577             m_paddingDecl->setStrictParsing(false); // Mapped attributes are just always quirky.
578 
579             m_paddingDecl->setProperty(CSSPropertyPaddingTop, paddingValue, false);
580             m_paddingDecl->setProperty(CSSPropertyPaddingRight, paddingValue, false);
581             m_paddingDecl->setProperty(CSSPropertyPaddingBottom, paddingValue, false);
582             m_paddingDecl->setProperty(CSSPropertyPaddingLeft, paddingValue, false);
583         }
584         setMappedAttributeDecl(eUniversal, cellpaddingAttr, paddingValue, m_paddingDecl.get());
585         m_paddingDecl->setParent(0);
586         m_paddingDecl->setNode(0);
587         m_paddingDecl->setMappedState(eUniversal, cellpaddingAttr, paddingValue);
588     }
589 
590     results.append(m_paddingDecl.get());
591 }
592 
addSharedGroupDecls(bool rows,Vector<CSSMutableStyleDeclaration * > & results)593 void HTMLTableElement::addSharedGroupDecls(bool rows, Vector<CSSMutableStyleDeclaration*>& results)
594 {
595     if (m_rulesAttr != GroupsRules)
596         return;
597 
598     AtomicString rulesValue = rows ? "rowgroups" : "colgroups";
599     CSSMappedAttributeDeclaration* decl = getMappedAttributeDecl(ePersistent, rulesAttr, rulesValue);
600     if (!decl) {
601         decl = CSSMappedAttributeDeclaration::create().releaseRef(); // This single ref pins us in the table until the document dies.
602         decl->setParent(document()->elementSheet());
603         decl->setNode(this);
604         decl->setStrictParsing(false); // Mapped attributes are just always quirky.
605 
606         if (rows) {
607             decl->setProperty(CSSPropertyBorderTopWidth, CSSValueThin, false);
608             decl->setProperty(CSSPropertyBorderBottomWidth, CSSValueThin, false);
609             decl->setProperty(CSSPropertyBorderTopStyle, CSSValueSolid, false);
610             decl->setProperty(CSSPropertyBorderBottomStyle, CSSValueSolid, false);
611         } else {
612             decl->setProperty(CSSPropertyBorderLeftWidth, CSSValueThin, false);
613             decl->setProperty(CSSPropertyBorderRightWidth, CSSValueThin, false);
614             decl->setProperty(CSSPropertyBorderLeftStyle, CSSValueSolid, false);
615             decl->setProperty(CSSPropertyBorderRightStyle, CSSValueSolid, false);
616         }
617 
618         setMappedAttributeDecl(ePersistent, rulesAttr, rulesValue, decl);
619         decl->setParent(0);
620         decl->setNode(0);
621         decl->setMappedState(ePersistent, rulesAttr, rulesValue);
622     }
623 
624     results.append(decl);
625 }
626 
attach()627 void HTMLTableElement::attach()
628 {
629     ASSERT(!attached());
630     HTMLElement::attach();
631 }
632 
isURLAttribute(Attribute * attr) const633 bool HTMLTableElement::isURLAttribute(Attribute *attr) const
634 {
635     return attr->name() == backgroundAttr;
636 }
637 
rows()638 PassRefPtr<HTMLCollection> HTMLTableElement::rows()
639 {
640     return HTMLTableRowsCollection::create(this);
641 }
642 
tBodies()643 PassRefPtr<HTMLCollection> HTMLTableElement::tBodies()
644 {
645     return HTMLCollection::create(this, TableTBodies);
646 }
647 
rules() const648 String HTMLTableElement::rules() const
649 {
650     return getAttribute(rulesAttr);
651 }
652 
summary() const653 String HTMLTableElement::summary() const
654 {
655     return getAttribute(summaryAttr);
656 }
657 
addSubresourceAttributeURLs(ListHashSet<KURL> & urls) const658 void HTMLTableElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const
659 {
660     HTMLElement::addSubresourceAttributeURLs(urls);
661 
662     addSubresourceURL(urls, document()->completeURL(getAttribute(backgroundAttr)));
663 }
664 
665 }
666