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webkit / WebKit / b2f2c77f64d22f2bebb86939f8bc32e8c82eebb7 / . / WebCore / css / CSSStyleSelector.cpp
blob: 5f4f8efb6b2638cafff0444826df90548adfef7f [file] [log] [blame]
/**
* This file is part of the CSS implementation for KDE.
*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
* (C) 2006 Nicholas Shanks (webkit@nickshanks.com)
* Copyright (C) 2005, 2006, 2007 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "CSSStyleSelector.h"
#include "CSSBorderImageValue.h"
#include "CSSCursorImageValue.h"
#include "CSSImageValue.h"
#include "CSSImportRule.h"
#include "CSSMediaRule.h"
#include "CSSProperty.h"
#include "CSSPropertyNames.h"
#include "CSSRuleList.h"
#include "CSSSelector.h"
#include "CSSStyleRule.h"
#include "CSSStyleSheet.h"
#include "CSSValueKeywords.h"
#include "CSSValueList.h"
#include "CachedImage.h"
#include "Counter.h"
#include "DashboardRegion.h"
#include "FontFamilyValue.h"
#include "FontValue.h"
#include "Frame.h"
#include "FrameView.h"
#include "GlobalHistory.h"
#include "HTMLDocument.h"
#include "HTMLElement.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "MediaList.h"
#include "MediaQueryEvaluator.h"
#include "Pair.h"
#include "Rect.h"
#include "RenderTheme.h"
#include "Settings.h"
#include "ShadowValue.h"
#include "StyleSheetList.h"
#include "UserAgentStyleSheets.h"
#include "loader.h"
#if ENABLE(SVG)
#include "XLinkNames.h"
#include "SVGNames.h"
#endif
using namespace std;
namespace WebCore {
using namespace HTMLNames;
// #define STYLE_SHARING_STATS 1
#define HANDLE_INHERIT(prop, Prop) \
if (isInherit) { \
style->set##Prop(parentStyle->prop()); \
return; \
}
#define HANDLE_INHERIT_AND_INITIAL(prop, Prop) \
HANDLE_INHERIT(prop, Prop) \
if (isInitial) { \
style->set##Prop(RenderStyle::initial##Prop()); \
return; \
}
#define HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(prop, Prop, Value) \
HANDLE_INHERIT(prop, Prop) \
if (isInitial) { \
style->set##Prop(RenderStyle::initial##Value());\
return;\
}
#define HANDLE_BACKGROUND_INHERIT_AND_INITIAL(prop, Prop) \
if (isInherit) { \
BackgroundLayer* currChild = style->accessBackgroundLayers(); \
BackgroundLayer* prevChild = 0; \
const BackgroundLayer* currParent = parentStyle->backgroundLayers(); \
while (currParent && currParent->is##Prop##Set()) { \
if (!currChild) { \
/* Need to make a new layer.*/ \
currChild = new BackgroundLayer(); \
prevChild->setNext(currChild); \
} \
currChild->set##Prop(currParent->prop()); \
prevChild = currChild; \
currChild = prevChild->next(); \
currParent = currParent->next(); \
} \
\
while (currChild) { \
/* Reset any remaining layers to not have the property set. */ \
currChild->clear##Prop(); \
currChild = currChild->next(); \
} \
return; \
} \
if (isInitial) { \
BackgroundLayer* currChild = style->accessBackgroundLayers(); \
currChild->set##Prop(RenderStyle::initial##Prop()); \
for (currChild = currChild->next(); currChild; currChild = currChild->next()) \
currChild->clear##Prop(); \
return; \
}
#define HANDLE_BACKGROUND_VALUE(prop, Prop, value) { \
HANDLE_BACKGROUND_INHERIT_AND_INITIAL(prop, Prop) \
if (!value->isPrimitiveValue() && !value->isValueList()) \
return; \
BackgroundLayer* currChild = style->accessBackgroundLayers(); \
BackgroundLayer* prevChild = 0; \
if (value->isPrimitiveValue()) { \
map##Prop(currChild, value); \
currChild = currChild->next(); \
} \
else { \
/* Walk each value and put it into a layer, creating new layers as needed. */ \
CSSValueList* valueList = static_cast<CSSValueList*>(value); \
for (unsigned int i = 0; i < valueList->length(); i++) { \
if (!currChild) { \
/* Need to make a new layer to hold this value */ \
currChild = new BackgroundLayer(); \
prevChild->setNext(currChild); \
} \
map##Prop(currChild, valueList->item(i)); \
prevChild = currChild; \
currChild = currChild->next(); \
} \
} \
while (currChild) { \
/* Reset all remaining layers to not have the property set. */ \
currChild->clear##Prop(); \
currChild = currChild->next(); \
} }
#define HANDLE_INHERIT_COND(propID, prop, Prop) \
if (id == propID) { \
style->set##Prop(parentStyle->prop()); \
return; \
}
#define HANDLE_INITIAL_COND(propID, Prop) \
if (id == propID) { \
style->set##Prop(RenderStyle::initial##Prop()); \
return; \
}
#define HANDLE_INITIAL_COND_WITH_VALUE(propID, Prop, Value) \
if (id == propID) { \
style->set##Prop(RenderStyle::initial##Value()); \
return; \
}
class CSSRuleSet
{
public:
CSSRuleSet();
~CSSRuleSet();
typedef HashMap<AtomicStringImpl*, CSSRuleDataList*> AtomRuleMap;
void addRulesFromSheet(CSSStyleSheet* sheet, MediaQueryEvaluator* medium);
void addRule(CSSStyleRule* rule, CSSSelector* sel);
void addToRuleSet(AtomicStringImpl* key, AtomRuleMap& map,
CSSStyleRule* rule, CSSSelector* sel);
CSSRuleDataList* getIDRules(AtomicStringImpl* key) { return m_idRules.get(key); }
CSSRuleDataList* getClassRules(AtomicStringImpl* key) { return m_classRules.get(key); }
CSSRuleDataList* getTagRules(AtomicStringImpl* key) { return m_tagRules.get(key); }
CSSRuleDataList* getUniversalRules() { return m_universalRules; }
public:
AtomRuleMap m_idRules;
AtomRuleMap m_classRules;
AtomRuleMap m_tagRules;
CSSRuleDataList* m_universalRules;
unsigned m_ruleCount;
};
CSSRuleSet* CSSStyleSelector::defaultStyle = 0;
CSSRuleSet* CSSStyleSelector::defaultQuirksStyle = 0;
CSSRuleSet* CSSStyleSelector::defaultPrintStyle = 0;
CSSRuleSet* CSSStyleSelector::defaultViewSourceStyle = 0;
CSSStyleSheet* CSSStyleSelector::defaultSheet = 0;
RenderStyle* CSSStyleSelector::styleNotYetAvailable = 0;
CSSStyleSheet* CSSStyleSelector::quirksSheet = 0;
CSSStyleSheet* CSSStyleSelector::viewSourceSheet = 0;
#if ENABLE(SVG)
CSSStyleSheet *CSSStyleSelector::svgSheet = 0;
#endif
static CSSStyleSelector::Encodedurl *currentEncodedURL = 0;
static PseudoState pseudoState;
CSSStyleSelector::CSSStyleSelector(Document* doc, const String& userStyleSheet, StyleSheetList *styleSheets, bool _strictParsing)
{
init();
m_document = doc;
strictParsing = _strictParsing;
if (!defaultStyle)
loadDefaultStyle();
m_userStyle = 0;
// construct document root element default style. this is needed
// to evaluate media queries that contain relative constraints, like "screen and (max-width: 10em)"
// This is here instead of constructor, because when constructor is run,
// document doesn't have documentElement
// NOTE: this assumes that element that gets passed to styleForElement -call
// is always from the document that owns the style selector
FrameView* view = m_document->view();
if (view)
m_medium = new MediaQueryEvaluator(view->mediaType());
else
m_medium = new MediaQueryEvaluator("all");
Element* root = doc->documentElement();
if (root)
m_rootDefaultStyle = styleForElement(root, 0, false, true); // dont ref, because the RenderStyle is allocated from global heap
if (m_rootDefaultStyle && view) {
delete m_medium;
m_medium = new MediaQueryEvaluator(view->mediaType(), view->frame()->page(), m_rootDefaultStyle);
}
// FIXME: This sucks! The user sheet is reparsed every time!
if (!userStyleSheet.isEmpty()) {
m_userSheet = new CSSStyleSheet(doc);
m_userSheet->parseString(userStyleSheet, strictParsing);
m_userStyle = new CSSRuleSet();
m_userStyle->addRulesFromSheet(m_userSheet.get(), m_medium);
}
// add stylesheets from document
m_authorStyle = new CSSRuleSet();
DeprecatedPtrListIterator<StyleSheet> it(styleSheets->styleSheets);
for (; it.current(); ++it)
if (it.current()->isCSSStyleSheet() && !it.current()->disabled())
m_authorStyle->addRulesFromSheet(static_cast<CSSStyleSheet*>(it.current()), m_medium);
}
CSSStyleSelector::CSSStyleSelector(CSSStyleSheet *sheet)
{
init();
if (!defaultStyle)
loadDefaultStyle();
FrameView *view = sheet->doc()->view();
if (view)
m_medium = new MediaQueryEvaluator(view->mediaType());
else
m_medium = new MediaQueryEvaluator("all");
Element* root = sheet->doc()->documentElement();
if (root)
m_rootDefaultStyle = styleForElement(root, 0, false, true);
if (m_rootDefaultStyle && view) {
delete m_medium;
m_medium = new MediaQueryEvaluator(view->mediaType(), view->frame()->page(), m_rootDefaultStyle);
}
m_authorStyle = new CSSRuleSet();
m_authorStyle->addRulesFromSheet(sheet, m_medium);
}
void CSSStyleSelector::init()
{
element = 0;
m_matchedDecls.clear();
m_ruleList = 0;
m_collectRulesOnly = false;
m_rootDefaultStyle = 0;
m_medium = 0;
}
void CSSStyleSelector::setEncodedURL(const KURL& url)
{
KURL u = url;
u.setQuery(DeprecatedString::null);
u.setRef(DeprecatedString::null);
encodedurl.file = u.url();
int pos = encodedurl.file.findRev('/');
encodedurl.path = encodedurl.file;
if (pos > 0) {
encodedurl.path.truncate(pos);
encodedurl.path += '/';
}
u.setPath(DeprecatedString::null);
encodedurl.host = u.url();
}
CSSStyleSelector::~CSSStyleSelector()
{
delete m_medium;
::delete m_rootDefaultStyle;
delete m_authorStyle;
delete m_userStyle;
}
static CSSStyleSheet* parseUASheet(const char* characters, unsigned size)
{
CSSStyleSheet* const parent = 0;
CSSStyleSheet* sheet = new CSSStyleSheet(parent);
sheet->ref(); // leak the sheet on purpose since it will be stored in a global variable
sheet->parseString(String(characters, size));
return sheet;
}
template<typename T> CSSStyleSheet* parseUASheet(const T& array)
{
return parseUASheet(array, sizeof(array));
}
void CSSStyleSelector::loadDefaultStyle()
{
if (defaultStyle)
return;
defaultStyle = new CSSRuleSet;
defaultPrintStyle = new CSSRuleSet;
defaultQuirksStyle = new CSSRuleSet;
defaultViewSourceStyle = new CSSRuleSet;
MediaQueryEvaluator screenEval("screen");
MediaQueryEvaluator printEval("print");
// Strict-mode rules.
defaultSheet = parseUASheet(html4UserAgentStyleSheet);
defaultStyle->addRulesFromSheet(defaultSheet, &screenEval);
defaultPrintStyle->addRulesFromSheet(defaultSheet, &printEval);
#if ENABLE(SVG)
// SVG rules.
svgSheet = parseUASheet(svgUserAgentStyleSheet);
defaultStyle->addRulesFromSheet(svgSheet, &screenEval);
defaultPrintStyle->addRulesFromSheet(svgSheet, &printEval);
#endif
// Quirks-mode rules.
quirksSheet = parseUASheet(quirksUserAgentStyleSheet);
defaultQuirksStyle->addRulesFromSheet(quirksSheet, &screenEval);
// View source rules.
viewSourceSheet = parseUASheet(sourceUserAgentStyleSheet);
defaultViewSourceStyle->addRulesFromSheet(viewSourceSheet, &screenEval);
}
void CSSStyleSelector::matchRules(CSSRuleSet* rules, int& firstRuleIndex, int& lastRuleIndex)
{
m_matchedRules.clear();
if (!rules || !element)
return;
// We need to collect the rules for id, class, tag, and everything else into a buffer and
// then sort the buffer.
if (element->hasID())
matchRulesForList(rules->getIDRules(element->getIDAttribute().impl()), firstRuleIndex, lastRuleIndex);
if (element->hasClass()) {
for (const AtomicStringList* singleClass = element->getClassList(); singleClass; singleClass = singleClass->next())
matchRulesForList(rules->getClassRules(singleClass->string().impl()), firstRuleIndex, lastRuleIndex);
}
matchRulesForList(rules->getTagRules(element->localName().impl()), firstRuleIndex, lastRuleIndex);
matchRulesForList(rules->getUniversalRules(), firstRuleIndex, lastRuleIndex);
// If we didn't match any rules, we're done.
if (m_matchedRules.isEmpty())
return;
// Sort the set of matched rules.
sortMatchedRules(0, m_matchedRules.size());
// Now transfer the set of matched rules over to our list of decls.
if (!m_collectRulesOnly) {
for (unsigned i = 0; i < m_matchedRules.size(); i++)
addMatchedDeclaration(m_matchedRules[i]->rule()->declaration());
} else {
for (unsigned i = 0; i < m_matchedRules.size(); i++) {
if (!m_ruleList)
m_ruleList = new CSSRuleList();
m_ruleList->append(m_matchedRules[i]->rule());
}
}
}
void CSSStyleSelector::matchRulesForList(CSSRuleDataList* rules, int& firstRuleIndex, int& lastRuleIndex)
{
if (!rules)
return;
for (CSSRuleData* d = rules->first(); d; d = d->next()) {
CSSStyleRule* rule = d->rule();
const AtomicString& localName = element->localName();
const AtomicString& selectorLocalName = d->selector()->m_tag.localName();
if ((localName == selectorLocalName || selectorLocalName == starAtom) && checkSelector(d->selector(), element)) {
// If the rule has no properties to apply, then ignore it.
CSSMutableStyleDeclaration* decl = rule->declaration();
if (!decl || !decl->length())
continue;
// If we're matching normal rules, set a pseudo bit if
// we really just matched a pseudo-element.
if (dynamicPseudo != RenderStyle::NOPSEUDO && pseudoStyle == RenderStyle::NOPSEUDO) {
if (m_collectRulesOnly)
return;
style->setHasPseudoStyle(dynamicPseudo);
} else {
// Update our first/last rule indices in the matched rules array.
lastRuleIndex = m_matchedDecls.size() + m_matchedRules.size();
if (firstRuleIndex == -1)
firstRuleIndex = lastRuleIndex;
// Add this rule to our list of matched rules.
addMatchedRule(d);
}
}
}
}
bool operator >(CSSRuleData& r1, CSSRuleData& r2)
{
int spec1 = r1.selector()->specificity();
int spec2 = r2.selector()->specificity();
return (spec1 == spec2) ? r1.position() > r2.position() : spec1 > spec2;
}
bool operator <=(CSSRuleData& r1, CSSRuleData& r2)
{
return !(r1 > r2);
}
void CSSStyleSelector::sortMatchedRules(unsigned start, unsigned end)
{
if (start >= end || (end - start == 1))
return; // Sanity check.
if (end - start <= 6) {
// Apply a bubble sort for smaller lists.
for (unsigned i = end - 1; i > start; i--) {
bool sorted = true;
for (unsigned j = start; j < i; j++) {
CSSRuleData* elt = m_matchedRules[j];
CSSRuleData* elt2 = m_matchedRules[j + 1];
if (*elt > *elt2) {
sorted = false;
m_matchedRules[j] = elt2;
m_matchedRules[j + 1] = elt;
}
}
if (sorted)
return;
}
return;
}
// Peform a merge sort for larger lists.
unsigned mid = (start + end) / 2;
sortMatchedRules(start, mid);
sortMatchedRules(mid, end);
CSSRuleData* elt = m_matchedRules[mid - 1];
CSSRuleData* elt2 = m_matchedRules[mid];
// Handle the fast common case (of equal specificity). The list may already
// be completely sorted.
if (*elt <= *elt2)
return;
// We have to merge sort. Ensure our merge buffer is big enough to hold
// all the items.
Vector<CSSRuleData*> rulesMergeBuffer;
rulesMergeBuffer.reserveCapacity(end - start);
unsigned i1 = start;
unsigned i2 = mid;
elt = m_matchedRules[i1];
elt2 = m_matchedRules[i2];
while (i1 < mid || i2 < end) {
if (i1 < mid && (i2 == end || *elt <= *elt2)) {
rulesMergeBuffer.append(elt);
if (++i1 < mid)
elt = m_matchedRules[i1];
} else {
rulesMergeBuffer.append(elt2);
if (++i2 < end)
elt2 = m_matchedRules[i2];
}
}
for (unsigned i = start; i < end; i++)
m_matchedRules[i] = rulesMergeBuffer[i - start];
}
void CSSStyleSelector::initElementAndPseudoState(Element* e)
{
element = e;
if (element && element->isStyledElement())
styledElement = static_cast<StyledElement*>(element);
else
styledElement = 0;
currentEncodedURL = &encodedurl;
pseudoState = PseudoUnknown;
}
void CSSStyleSelector::initForStyleResolve(Element* e, RenderStyle* defaultParent)
{
// set some variables we will need
pseudoStyle = RenderStyle::NOPSEUDO;
parentNode = e->parentNode();
#if ENABLE(SVG)
if (!parentNode && e->isSVGElement() && e->isShadowNode())
parentNode = e->shadowParentNode();
#endif
if (defaultParent)
parentStyle = defaultParent;
else
parentStyle = parentNode ? parentNode->renderStyle() : 0;
isXMLDoc = !element->document()->isHTMLDocument();
style = 0;
m_matchedDecls.clear();
m_ruleList = 0;
fontDirty = false;
}
// modified version of the one in kurl.cpp
static void cleanpath(DeprecatedString &path)
{
int pos;
while ((pos = path.find("/../")) != -1) {
int prev = 0;
if (pos > 0)
prev = path.findRev("/", pos -1);
// don't remove the host, i.e. http://foo.org/../foo.html
if (prev < 0 || (prev > 3 && path.findRev("://", prev-1) == prev-2))
path.remove(pos, 3);
else
// matching directory found ?
path.remove(prev, pos- prev + 3);
}
pos = 0;
// Don't remove "//" from an anchor identifier. -rjw
// Set refPos to -2 to mean "I haven't looked for the anchor yet".
// We don't want to waste a function call on the search for the the anchor
// in the vast majority of cases where there is no "//" in the path.
int refPos = -2;
while ((pos = path.find("//", pos)) != -1) {
if (refPos == -2)
refPos = path.find("#");
if (refPos > 0 && pos >= refPos)
break;
if (pos == 0 || path[pos-1] != ':')
path.remove(pos, 1);
else
pos += 2;
}
while ((pos = path.find("/./")) != -1)
path.remove(pos, 2);
}
static void checkPseudoState(Element *e, bool checkVisited = true)
{
if (!e->isLink()) {
pseudoState = PseudoNone;
return;
}
AtomicString attr;
if (e->isHTMLElement())
attr = e->getAttribute(hrefAttr);
#if ENABLE(SVG)
else if (e->isSVGElement())
attr = e->getAttribute(XLinkNames::hrefAttr);
#endif
if (attr.isNull()) {
pseudoState = PseudoNone;
return;
}
if (!checkVisited) {
pseudoState = PseudoAnyLink;
return;
}
DeprecatedConstString cu(reinterpret_cast<const DeprecatedChar*>(attr.characters()), attr.length());
DeprecatedString u = cu.string();
if (!u.contains("://")) {
if (u[0] == '/')
u.prepend(currentEncodedURL->host);
else if (u[0] == '#')
u.prepend(currentEncodedURL->file);
else
u.prepend(currentEncodedURL->path);
cleanpath(u);
}
pseudoState = historyContains(u) ? PseudoVisited : PseudoLink;
}
#ifdef STYLE_SHARING_STATS
static int fraction = 0;
static int total = 0;
#endif
static const unsigned cStyleSearchThreshold = 10;
Node* CSSStyleSelector::locateCousinList(Element* parent, unsigned depth)
{
if (parent && parent->isStyledElement()) {
StyledElement* p = static_cast<StyledElement*>(parent);
if (!p->inlineStyleDecl() && !p->hasID()) {
Node* r = p->previousSibling();
unsigned subcount = 0;
RenderStyle* st = p->renderStyle();
while (r) {
if (r->renderStyle() == st)
return r->lastChild();
if (subcount++ == cStyleSearchThreshold)
return 0;
r = r->previousSibling();
}
if (!r && depth < cStyleSearchThreshold)
r = locateCousinList(static_cast<Element*>(parent->parentNode()), depth + 1);
while (r) {
if (r->renderStyle() == st)
return r->lastChild();
if (subcount++ == cStyleSearchThreshold)
return 0;
r = r->previousSibling();
}
}
}
return 0;
}
bool CSSStyleSelector::canShareStyleWithElement(Node* n)
{
if (n->isStyledElement()) {
StyledElement* s = static_cast<StyledElement*>(n);
RenderStyle* style = s->renderStyle();
if (style && !style->unique() &&
(s->tagQName() == element->tagQName()) && !s->hasID() &&
(s->hasClass() == element->hasClass()) && !s->inlineStyleDecl() &&
(s->hasMappedAttributes() == styledElement->hasMappedAttributes()) &&
(s->isLink() == element->isLink()) &&
!style->affectedByAttributeSelectors() &&
(s->hovered() == element->hovered()) &&
(s->active() == element->active()) &&
(s->focused() == element->focused()) &&
(s != s->document()->getCSSTarget() && element != element->document()->getCSSTarget()) &&
(s->getAttribute(typeAttr) == element->getAttribute(typeAttr)) &&
(s->getAttribute(readonlyAttr) == element->getAttribute(readonlyAttr))) {
bool isControl = s->isControl();
if (isControl != element->isControl())
return false;
if (isControl && (s->isEnabled() != element->isEnabled()) ||
(s->isIndeterminate() != element->isIndeterminate()) ||
(s->isChecked() != element->isChecked()))
return false;
bool classesMatch = true;
if (s->hasClass()) {
const AtomicString& class1 = element->getAttribute(classAttr);
const AtomicString& class2 = s->getAttribute(classAttr);
classesMatch = (class1 == class2);
}
if (classesMatch) {
bool mappedAttrsMatch = true;
if (s->hasMappedAttributes())
mappedAttrsMatch = s->mappedAttributes()->mapsEquivalent(styledElement->mappedAttributes());
if (mappedAttrsMatch) {
bool linksMatch = true;
if (s->isLink()) {
// We need to check to see if the visited state matches.
Color linkColor = element->document()->linkColor();
Color visitedColor = element->document()->visitedLinkColor();
if (pseudoState == PseudoUnknown)
checkPseudoState(element, style->pseudoState() != PseudoAnyLink || linkColor != visitedColor);
linksMatch = (pseudoState == style->pseudoState());
}
if (linksMatch)
return true;
}
}
}
}
return false;
}
RenderStyle* CSSStyleSelector::locateSharedStyle()
{
if (styledElement && !styledElement->inlineStyleDecl() && !styledElement->hasID() &&
!styledElement->document()->usesSiblingRules()) {
// Check previous siblings.
unsigned count = 0;
Node* n;
for (n = element->previousSibling(); n && !n->isElementNode(); n = n->previousSibling());
while (n) {
if (canShareStyleWithElement(n))
return n->renderStyle();
if (count++ == cStyleSearchThreshold)
return 0;
for (n = n->previousSibling(); n && !n->isElementNode(); n = n->previousSibling());
}
if (!n)
n = locateCousinList(static_cast<Element*>(element->parentNode()));
while (n) {
if (canShareStyleWithElement(n))
return n->renderStyle();
if (count++ == cStyleSearchThreshold)
return 0;
for (n = n->previousSibling(); n && !n->isElementNode(); n = n->previousSibling());
}
}
return 0;
}
void CSSStyleSelector::matchUARules(int& firstUARule, int& lastUARule)
{
// First we match rules from the user agent sheet.
CSSRuleSet* userAgentStyleSheet = m_medium->mediaTypeMatchSpecific("print")
? defaultPrintStyle : defaultStyle;
matchRules(userAgentStyleSheet, firstUARule, lastUARule);
// In quirks mode, we match rules from the quirks user agent sheet.
if (!strictParsing)
matchRules(defaultQuirksStyle, firstUARule, lastUARule);
// If we're in view source mode, then we match rules from the view source style sheet.
if (m_document->frame() && m_document->frame()->inViewSourceMode())
matchRules(defaultViewSourceStyle, firstUARule, lastUARule);
}
// If resolveForRootDefault is true, style based on user agent style sheet only. This is used in media queries, where
// relative units are interpreted according to document root element style, styled only with UA stylesheet
RenderStyle* CSSStyleSelector::styleForElement(Element* e, RenderStyle* defaultParent, bool allowSharing, bool resolveForRootDefault)
{
// Once an element has a renderer, we don't try to destroy it, since otherwise the renderer
// will vanish if a style recalc happens during loading.
if (allowSharing && !e->document()->haveStylesheetsLoaded() && !e->renderer()) {
if (!styleNotYetAvailable) {
styleNotYetAvailable = ::new RenderStyle;
styleNotYetAvailable->ref();
styleNotYetAvailable->setDisplay(NONE);
styleNotYetAvailable->font().update();
}
styleNotYetAvailable->ref();
e->document()->setHasNodesWithPlaceholderStyle();
return styleNotYetAvailable;
}
initElementAndPseudoState(e);
if (allowSharing) {
style = locateSharedStyle();
#ifdef STYLE_SHARING_STATS
fraction += style != 0;
total++;
printf("Sharing %d out of %d\n", fraction, total);
#endif
if (style) {
style->ref();
return style;
}
}
initForStyleResolve(e, defaultParent);
if (resolveForRootDefault) {
style = ::new RenderStyle();
// don't ref, because we want to delete this, but we cannot unref it
} else {
style = new (e->document()->renderArena()) RenderStyle();
style->ref();
}
if (parentStyle)
style->inheritFrom(parentStyle);
else
parentStyle = style;
int firstUARule = -1, lastUARule = -1;
int firstUserRule = -1, lastUserRule = -1;
int firstAuthorRule = -1, lastAuthorRule = -1;
matchUARules(firstUARule, lastUARule);
if (!resolveForRootDefault) {
// 4. Now we check user sheet rules.
matchRules(m_userStyle, firstUserRule, lastUserRule);
// 5. Now check author rules, beginning first with presentational attributes
// mapped from HTML.
if (styledElement) {
// Ask if the HTML element has mapped attributes.
if (styledElement->hasMappedAttributes()) {
// Walk our attribute list and add in each decl.
const NamedMappedAttrMap* map = styledElement->mappedAttributes();
for (unsigned i = 0; i < map->length(); i++) {
MappedAttribute* attr = map->attributeItem(i);
if (attr->decl()) {
lastAuthorRule = m_matchedDecls.size();
if (firstAuthorRule == -1)
firstAuthorRule = lastAuthorRule;
addMatchedDeclaration(attr->decl());
}
}
}
// Now we check additional mapped declarations.
// Tables and table cells share an additional mapped rule that must be applied
// after all attributes, since their mapped style depends on the values of multiple attributes.
CSSMutableStyleDeclaration* attributeDecl = styledElement->additionalAttributeStyleDecl();
if (attributeDecl) {
lastAuthorRule = m_matchedDecls.size();
if (firstAuthorRule == -1)
firstAuthorRule = lastAuthorRule;
addMatchedDeclaration(attributeDecl);
}
}
// 6. Check the rules in author sheets next.
matchRules(m_authorStyle, firstAuthorRule, lastAuthorRule);
// 7. Now check our inline style attribute.
if (styledElement) {
CSSMutableStyleDeclaration* inlineDecl = styledElement->inlineStyleDecl();
if (inlineDecl) {
lastAuthorRule = m_matchedDecls.size();
if (firstAuthorRule == -1)
firstAuthorRule = lastAuthorRule;
addMatchedDeclaration(inlineDecl);
}
}
}
// Now we have all of the matched rules in the appropriate order. Walk the rules and apply
// high-priority properties first, i.e., those properties that other properties depend on.
// The order is (1) high-priority not important, (2) high-priority important, (3) normal not important
// and (4) normal important.
m_lineHeightValue = 0;
applyDeclarations(true, false, 0, m_matchedDecls.size() - 1);
if (!resolveForRootDefault) {
applyDeclarations(true, true, firstAuthorRule, lastAuthorRule);
applyDeclarations(true, true, firstUserRule, lastUserRule);
}
applyDeclarations(true, true, firstUARule, lastUARule);
// If our font got dirtied, go ahead and update it now.
if (fontDirty)
updateFont();
// Line-height is set when we are sure we decided on the font-size
if (m_lineHeightValue)
applyProperty(CSS_PROP_LINE_HEIGHT, m_lineHeightValue);
// Now do the normal priority UA properties.
applyDeclarations(false, false, firstUARule, lastUARule);
// Cache our border and background so that we can examine them later.
cacheBorderAndBackground();
// Now do the author and user normal priority properties and all the !important properties.
if (!resolveForRootDefault) {
applyDeclarations(false, false, lastUARule + 1, m_matchedDecls.size() - 1);
applyDeclarations(false, true, firstAuthorRule, lastAuthorRule);
applyDeclarations(false, true, firstUserRule, lastUserRule);
}
applyDeclarations(false, true, firstUARule, lastUARule);
// If our font got dirtied by one of the non-essential font props,
// go ahead and update it a second time.
if (fontDirty)
updateFont();
// Clean up our style object's display and text decorations (among other fixups).
adjustRenderStyle(style, e);
// If we are a link, cache the determined pseudo-state.
if (e->isLink())
style->setPseudoState(pseudoState);
// If we have first-letter pseudo style, do not share this style
if (style->hasPseudoStyle(RenderStyle::FIRST_LETTER))
style->setUnique();
// Now return the style.
return style;
}
RenderStyle* CSSStyleSelector::pseudoStyleForElement(RenderStyle::PseudoId pseudo, Element* e, RenderStyle* parentStyle)
{
if (!e)
return 0;
initElementAndPseudoState(e);
initForStyleResolve(e, parentStyle);
pseudoStyle = pseudo;
// Since we don't use pseudo-elements in any of our quirk/print user agent rules, don't waste time walking
// those rules.
// Check UA, user and author rules.
int firstUARule = -1, lastUARule = -1, firstUserRule = -1, lastUserRule = -1, firstAuthorRule = -1, lastAuthorRule = -1;
matchUARules(firstUARule, lastUARule);
matchRules(m_userStyle, firstUserRule, lastUserRule);
matchRules(m_authorStyle, firstAuthorRule, lastAuthorRule);
if (m_matchedDecls.isEmpty())
return 0;
style = new (e->document()->renderArena()) RenderStyle();
style->ref();
if (parentStyle)
style->inheritFrom(parentStyle);
else
parentStyle = style;
style->noninherited_flags._styleType = pseudoStyle;
m_lineHeightValue = 0;
// High-priority properties.
applyDeclarations(true, false, 0, m_matchedDecls.size() - 1);
applyDeclarations(true, true, firstAuthorRule, lastAuthorRule);
applyDeclarations(true, true, firstUserRule, lastUserRule);
applyDeclarations(true, true, firstUARule, lastUARule);
// If our font got dirtied, go ahead and update it now.
if (fontDirty)
updateFont();
// Line-height is set when we are sure we decided on the font-size
if (m_lineHeightValue)
applyProperty(CSS_PROP_LINE_HEIGHT, m_lineHeightValue);
// Now do the normal priority properties.
applyDeclarations(false, false, firstUARule, lastUARule);
// Cache our border and background so that we can examine them later.
cacheBorderAndBackground();
applyDeclarations(false, false, lastUARule + 1, m_matchedDecls.size() - 1);
applyDeclarations(false, true, firstAuthorRule, lastAuthorRule);
applyDeclarations(false, true, firstUserRule, lastUserRule);
applyDeclarations(false, true, firstUARule, lastUARule);
// If our font got dirtied by one of the non-essential font props,
// go ahead and update it a second time.
if (fontDirty)
updateFont();
// Clean up our style object's display and text decorations (among other fixups).
adjustRenderStyle(style, 0);
// Now return the style.
return style;
}
static void addIntrinsicMargins(RenderStyle* style)
{
// Intrinsic margin value.
const int intrinsicMargin = 2;
// FIXME: Using width/height alone and not also dealing with min-width/max-width is flawed.
// FIXME: Using "quirk" to decide the margin wasn't set is kind of lame.
if (style->width().isIntrinsicOrAuto()) {
if (style->marginLeft().quirk())
style->setMarginLeft(Length(intrinsicMargin, Fixed));
if (style->marginRight().quirk())
style->setMarginRight(Length(intrinsicMargin, Fixed));
}
if (style->height().isAuto()) {
if (style->marginTop().quirk())
style->setMarginTop(Length(intrinsicMargin, Fixed));
if (style->marginBottom().quirk())
style->setMarginBottom(Length(intrinsicMargin, Fixed));
}
}
void CSSStyleSelector::adjustRenderStyle(RenderStyle* style, Element *e)
{
// Cache our original display.
style->setOriginalDisplay(style->display());
if (style->display() != NONE) {
// If we have a <td> that specifies a float property, in quirks mode we just drop the float
// property.
// Sites also commonly use display:inline/block on <td>s and <table>s. In quirks mode we force
// these tags to retain their display types.
if (!strictParsing && e) {
if (e->hasTagName(tdTag)) {
style->setDisplay(TABLE_CELL);
style->setFloating(FNONE);
}
else if (e->hasTagName(tableTag))
style->setDisplay(style->isDisplayInlineType() ? INLINE_TABLE : TABLE);
}
// Tables never support the -webkit-* values for text-align and will reset back to the default.
if (e && e->hasTagName(tableTag) && (style->textAlign() == WEBKIT_LEFT || style->textAlign() == WEBKIT_CENTER || style->textAlign() == WEBKIT_RIGHT))
style->setTextAlign(TAAUTO);
// Frames and framesets never honor position:relative or position:absolute. This is necessary to
// fix a crash where a site tries to position these objects. They also never honor display.
if (e && (e->hasTagName(frameTag) || e->hasTagName(framesetTag))) {
style->setPosition(StaticPosition);
style->setDisplay(BLOCK);
}
// Table headers with a text-align of auto will change the text-align to center.
if (e && e->hasTagName(thTag) && style->textAlign() == TAAUTO)
style->setTextAlign(CENTER);
// Mutate the display to BLOCK or TABLE for certain cases, e.g., if someone attempts to
// position or float an inline, compact, or run-in. Cache the original display, since it
// may be needed for positioned elements that have to compute their static normal flow
// positions. We also force inline-level roots to be block-level.
if (style->display() != BLOCK && style->display() != TABLE && style->display() != BOX &&
(style->position() == AbsolutePosition || style->position() == FixedPosition || style->floating() != FNONE ||
(e && e->document()->documentElement() == e))) {
if (style->display() == INLINE_TABLE)
style->setDisplay(TABLE);
else if (style->display() == INLINE_BOX)
style->setDisplay(BOX);
else if (style->display() == LIST_ITEM) {
// It is a WinIE bug that floated list items lose their bullets, so we'll emulate the quirk,
// but only in quirks mode.
if (!strictParsing && style->floating() != FNONE)
style->setDisplay(BLOCK);
}
else
style->setDisplay(BLOCK);
}
// After performing the display mutation, check table rows. We do not honor position:relative on
// table rows or cells. This has been established in CSS2.1 (and caused a crash in containingBlock()
// on some sites).
if ((style->display() == TABLE_HEADER_GROUP || style->display() == TABLE_ROW_GROUP ||
style->display() == TABLE_FOOTER_GROUP || style->display() == TABLE_ROW || style->display() == TABLE_CELL) &&
style->position() == RelativePosition)
style->setPosition(StaticPosition);
}
// Make sure our z-index value is only applied if the object is positioned,
// relatively positioned, or transparent.
if (style->position() == StaticPosition && style->opacity() == 1.0f)
style->setHasAutoZIndex();
// Auto z-index becomes 0 for the root element and transparent objects. This prevents
// cases where objects that should be blended as a single unit end up with a non-transparent
// object wedged in between them.
if (style->hasAutoZIndex() && ((e && e->document()->documentElement() == e) || style->opacity() < 1.0f))
style->setZIndex(0);
// Button, legend, input, select and textarea all consider width values of 'auto' to be 'intrinsic'.
// This will be important when we use block flows for all form controls.
if (e && (e->hasTagName(legendTag) || e->hasTagName(buttonTag) || e->hasTagName(inputTag) ||
e->hasTagName(selectTag) || e->hasTagName(textareaTag))) {
if (style->width().isAuto())
style->setWidth(Length(Intrinsic));
}
// Finally update our text decorations in effect, but don't allow text-decoration to percolate through
// tables, inline blocks, inline tables, or run-ins.
if (style->display() == TABLE || style->display() == INLINE_TABLE || style->display() == RUN_IN
|| style->display() == INLINE_BLOCK || style->display() == INLINE_BOX)
style->setTextDecorationsInEffect(style->textDecoration());
else
style->addToTextDecorationsInEffect(style->textDecoration());
// If either overflow value is not visible, change to auto.
if (style->overflowX() == OMARQUEE && style->overflowY() != OMARQUEE)
style->setOverflowY(OMARQUEE);
else if (style->overflowY() == OMARQUEE && style->overflowX() != OMARQUEE)
style->setOverflowX(OMARQUEE);
else if (style->overflowX() == OVISIBLE && style->overflowY() != OVISIBLE)
style->setOverflowX(OAUTO);
else if (style->overflowY() == OVISIBLE && style->overflowX() != OVISIBLE)
style->setOverflowY(OAUTO);
// Table rows, sections and the table itself will support overflow:hidden and will ignore scroll/auto.
// FIXME: Eventually table sections will support auto and scroll.
if (style->display() == TABLE || style->display() == INLINE_TABLE ||
style->display() == TABLE_ROW_GROUP || style->display() == TABLE_ROW) {
if (style->overflowX() != OVISIBLE && style->overflowX() != OHIDDEN)
style->setOverflowX(OVISIBLE);
if (style->overflowY() != OVISIBLE && style->overflowY() != OHIDDEN)
style->setOverflowY(OVISIBLE);
}
// Cull out any useless layers and also repeat patterns into additional layers.
style->adjustBackgroundLayers();
// Important: Intrinsic margins get added to controls before the theme has adjusted the style, since the theme will
// alter fonts and heights/widths.
if (e && e->isControl() && style->fontSize() >= 11) {
// Don't apply intrinsic margins to image buttons. The designer knows how big the images are,
// so we have to treat all image buttons as though they were explicitly sized.
if (!e->hasTagName(inputTag) || static_cast<HTMLInputElement*>(e)->inputType() != HTMLInputElement::IMAGE)
addIntrinsicMargins(style);
}
// Let the theme also have a crack at adjusting the style.
if (style->hasAppearance())
theme()->adjustStyle(this, style, e, m_hasUAAppearance, m_borderData, m_backgroundData, m_backgroundColor);
#if ENABLE(SVG)
if (e && e->isSVGElement()) {
// Spec: http://www.w3.org/TR/SVG/masking.html#OverflowProperty
if (style->overflowY() == OSCROLL)
style->setOverflowY(OHIDDEN);
else if (style->overflowY() == OAUTO)
style->setOverflowY(OVISIBLE);
if (style->overflowX() == OSCROLL)
style->setOverflowX(OHIDDEN);
else if (style->overflowX() == OAUTO)
style->setOverflowX(OVISIBLE);
// Only the root <svg> element in an SVG document fragment tree honors css position
if (!(e->hasTagName(SVGNames::svgTag) && e->parentNode() && !e->parentNode()->isSVGElement()))
style->setPosition(RenderStyle::initialPosition());
}
#endif
}
void CSSStyleSelector::updateFont()
{
checkForTextSizeAdjust();
checkForGenericFamilyChange(style, parentStyle);
style->font().update();
fontDirty = false;
}
void CSSStyleSelector::cacheBorderAndBackground()
{
m_hasUAAppearance = style->hasAppearance();
if (m_hasUAAppearance) {
m_borderData = style->border();
m_backgroundData = *style->backgroundLayers();
m_backgroundColor = style->backgroundColor();
}
}
RefPtr<CSSRuleList> CSSStyleSelector::styleRulesForElement(Element* e, bool authorOnly)
{
if (!e || !e->document()->haveStylesheetsLoaded())
return 0;
m_collectRulesOnly = true;
initElementAndPseudoState(e);
initForStyleResolve(e, 0);
if (!authorOnly) {
int firstUARule = -1, lastUARule = -1;
// First we match rules from the user agent sheet.
matchUARules(firstUARule, lastUARule);
// Now we check user sheet rules.
int firstUserRule = -1, lastUserRule = -1;
matchRules(m_userStyle, firstUserRule, lastUserRule);
}
// Check the rules in author sheets.
int firstAuthorRule = -1, lastAuthorRule = -1;
matchRules(m_authorStyle, firstAuthorRule, lastAuthorRule);
m_collectRulesOnly = false;
return m_ruleList;
}
RefPtr<CSSRuleList> CSSStyleSelector::pseudoStyleRulesForElement(Element* e, StringImpl* pseudoStyle, bool authorOnly)
{
// FIXME: Implement this.
return 0;
}
static bool subject;
bool CSSStyleSelector::checkSelector(CSSSelector* sel, Element *e)
{
dynamicPseudo = RenderStyle::NOPSEUDO;
Node *n = e;
// we have the subject part of the selector
subject = true;
// We track whether or not the rule contains only :hover and :active in a simple selector. If
// so, we can't allow that to apply to every element on the page. We assume the author intended
// to apply the rules only to links.
bool onlyHoverActive = (!sel->hasTag() &&
(sel->m_match == CSSSelector::PseudoClass &&
(sel->pseudoType() == CSSSelector::PseudoHover ||
sel->pseudoType() == CSSSelector::PseudoActive)));
bool affectedByHover = style ? style->affectedByHoverRules() : false;
bool affectedByActive = style ? style->affectedByActiveRules() : false;
bool havePseudo = pseudoStyle != RenderStyle::NOPSEUDO;
// first selector has to match
if (!checkOneSelector(sel, e))
return false;
// check the subselectors
CSSSelector::Relation relation = sel->relation();
while((sel = sel->m_tagHistory)) {
if (!n->isElementNode())
return false;
if (relation != CSSSelector::SubSelector) {
subject = false;
if (havePseudo && dynamicPseudo != pseudoStyle)
return false;
}
switch(relation)
{
case CSSSelector::Descendant:
// FIXME: This match needs to know how to backtrack and be non-deterministic.
do {
n = n->parentNode();
if (!n || !n->isElementNode())
return false;
} while (!checkOneSelector(sel, static_cast<Element*>(n)));
break;
case CSSSelector::Child:
{
n = n->parentNode();
if (!n || !n->isElementNode())
return false;
if (!checkOneSelector(sel, static_cast<Element*>(n)))
return false;
break;
}
case CSSSelector::DirectAdjacent:
{
n = n->previousSibling();
while (n && !n->isElementNode())
n = n->previousSibling();
if (!n)
return false;
if (!checkOneSelector(sel, static_cast<Element*>(n)))
return false;
break;
}
case CSSSelector::IndirectAdjacent:
// FIXME: This match needs to know how to backtrack and be non-deterministic.
do {
n = n->previousSibling();
while (n && !n->isElementNode())
n = n->previousSibling();
if (!n)
return false;
} while (!checkOneSelector(sel, static_cast<Element*>(n)));
break;
case CSSSelector::SubSelector:
{
if (onlyHoverActive)
onlyHoverActive = (sel->m_match == CSSSelector::PseudoClass &&
(sel->pseudoType() == CSSSelector::PseudoHover ||
sel->pseudoType() == CSSSelector::PseudoActive));
Element *elem = static_cast<Element*>(n);
// a selector is invalid if something follows :first-xxx
if (elem == element && dynamicPseudo != RenderStyle::NOPSEUDO)
return false;
if (!checkOneSelector(sel, elem, true))
return false;
break;
}
}
relation = sel->relation();
}
if (subject && havePseudo && dynamicPseudo != pseudoStyle)
return false;
// disallow *:hover, *:active, and *:hover:active except for links
if (!strictParsing && onlyHoverActive && subject) {
if (pseudoState == PseudoUnknown)
checkPseudoState(e);
if (pseudoState == PseudoNone) {
if (!affectedByHover && style->affectedByHoverRules())
style->setAffectedByHoverRules(false);
if (!affectedByActive && style->affectedByActiveRules())
style->setAffectedByActiveRules(false);
return false;
}
}
return true;
}
bool CSSStyleSelector::checkOneSelector(CSSSelector* sel, Element* e, bool isSubSelector)
{
if(!e)
return false;
if (sel->hasTag()) {
const AtomicString& localName = e->localName();
const AtomicString& ns = e->namespaceURI();
const AtomicString& selLocalName = sel->m_tag.localName();
const AtomicString& selNS = sel->m_tag.namespaceURI();
if ((selLocalName != starAtom && localName != selLocalName) ||
(selNS != starAtom && ns != selNS))
return false;
}
if (sel->hasAttribute()) {
if (sel->m_match == CSSSelector::Class) {
if (!e->hasClass())
return false;
for (const AtomicStringList* c = e->getClassList(); c; c = c->next())
if (c->string() == sel->m_value)
return true;
return false;
}
else if (sel->m_match == CSSSelector::Id)
return e->hasID() && e->getIDAttribute() == sel->m_value;
else if (style && (e != element || !styledElement || (!styledElement->isMappedAttribute(sel->m_attr) && sel->m_attr != typeAttr && sel->m_attr != readonlyAttr))) {
style->setAffectedByAttributeSelectors(); // Special-case the "type" and "readonly" attributes so input form controls can share style.
m_selectorAttrs.add(sel->m_attr.localName().impl());
}
const AtomicString& value = e->getAttribute(sel->m_attr);
if (value.isNull())
return false; // attribute is not set
switch(sel->m_match) {
case CSSSelector::Exact:
if ((isXMLDoc && sel->m_value != value) || (!isXMLDoc && !equalIgnoringCase(sel->m_value, value)))
return false;
break;
case CSSSelector::List:
{
// The selector's value can't contain a space, or it's totally bogus.
if (sel->m_value.contains(' '))
return false;
int startSearchAt = 0;
while (true) {
int foundPos = value.find(sel->m_value, startSearchAt, isXMLDoc);
if (foundPos == -1)
return false;
if (foundPos == 0 || value[foundPos-1] == ' ') {
unsigned endStr = foundPos + sel->m_value.length();
if (endStr == value.length() || value[endStr] == ' ')
break; // We found a match.
}
// No match. Keep looking.
startSearchAt = foundPos + 1;
}
break;
}
case CSSSelector::Contain:
if (!value.contains(sel->m_value, isXMLDoc))
return false;
break;
case CSSSelector::Begin:
if (!value.startsWith(sel->m_value, isXMLDoc))
return false;
break;
case CSSSelector::End:
if (!value.endsWith(sel->m_value, isXMLDoc))
return false;
break;
case CSSSelector::Hyphen:
if (value.length() < sel->m_value.length())
return false;
if (!value.startsWith(sel->m_value, isXMLDoc))
return false;
// It they start the same, check for exact match or following '-':
if (value.length() != sel->m_value.length() && value[sel->m_value.length()] != '-')
return false;
break;
case CSSSelector::PseudoClass:
case CSSSelector::PseudoElement:
default:
break;
}
}
if(sel->m_match == CSSSelector::PseudoClass || sel->m_match == CSSSelector::PseudoElement)
{
// Pseudo elements. We need to check first child here. No dynamic pseudo
// elements for the moment
switch (sel->pseudoType()) {
// Pseudo classes:
case CSSSelector::PseudoEmpty:
if (!e->firstChild())
return true;
break;
case CSSSelector::PseudoFirstChild: {
// first-child matches the first child that is an element!
if (e->parentNode() && e->parentNode()->isElementNode()) {
Node *n = e->previousSibling();
while (n && !n->isElementNode())
n = n->previousSibling();
if (!n)
return true;
}
break;
}
case CSSSelector::PseudoFirstOfType: {
// first-of-type matches the first element of its type!
if (e->parentNode() && e->parentNode()->isElementNode()) {
const QualifiedName& type = e->tagQName();
Node *n = e->previousSibling();
while (n) {
if (n->isElementNode() && static_cast<Element*>(n)->hasTagName(type))
break;
n = n->previousSibling();
}
if (!n)
return true;
}
break;
}
case CSSSelector::PseudoTarget:
if (e == e->document()->getCSSTarget())
return true;
break;
case CSSSelector::PseudoAnyLink:
if (pseudoState == PseudoUnknown)
checkPseudoState(e, false);
if (pseudoState == PseudoAnyLink || pseudoState == PseudoLink || pseudoState == PseudoVisited)
return true;
break;
case CSSSelector::PseudoAutofill:
if (e && e->hasTagName(inputTag))
return static_cast<HTMLInputElement*>(e)->autofilled();
break;
case CSSSelector::PseudoLink:
if (pseudoState == PseudoUnknown || pseudoState == PseudoAnyLink)
checkPseudoState(e);
if (pseudoState == PseudoLink)
return true;
break;
case CSSSelector::PseudoVisited:
if (pseudoState == PseudoUnknown || pseudoState == PseudoAnyLink)
checkPseudoState(e);
if (pseudoState == PseudoVisited)
return true;
break;
case CSSSelector::PseudoHover: {
// If we're in quirks mode, then hover should never match anchors with no
// href and *:hover should not match anything. This is important for sites like wsj.com.
if (strictParsing || isSubSelector || sel->relation() == CSSSelector::SubSelector || (sel->hasTag() && !e->hasTagName(aTag)) || e->isLink()) {
if (element == e && style)
style->setAffectedByHoverRules(true);
if (element != e && e->renderStyle())
e->renderStyle()->setAffectedByHoverRules(true);
if (e->hovered())
return true;
}
break;
}
case CSSSelector::PseudoDrag: {
if (element == e && style)
style->setAffectedByDragRules(true);
if (element != e && e->renderStyle())
e->renderStyle()->setAffectedByDragRules(true);
if (e->renderer() && e->renderer()->isDragging())
return true;
break;
}
case CSSSelector::PseudoFocus:
if (e && e->focused() && e->document()->frame()->isActive())
return true;
break;
case CSSSelector::PseudoActive:
// If we're in quirks mode, then :active should never match anchors with no
// href and *:active should not match anything.
if (strictParsing || isSubSelector || sel->relation() == CSSSelector::SubSelector || (sel->hasTag() && !e->hasTagName(aTag)) || e->isLink()) {
if (element == e && style)
style->setAffectedByActiveRules(true);
else if (e->renderStyle())
e->renderStyle()->setAffectedByActiveRules(true);
if (e->active())
return true;
}
break;
case CSSSelector::PseudoEnabled:
if (e && e->isControl())
// The UI spec states that you can't match :enabled unless you are an object that can
// "receive focus and be activated." We will limit matching of this pseudo-class to elements
// that are controls.
return e->isEnabled();
break;
case CSSSelector::PseudoDisabled:
if (e && e->isControl())
// The UI spec states that you can't match :enabled unless you are an object that can
// "receive focus and be activated." We will limit matching of this pseudo-class to elements
// that are controls.
return !e->isEnabled();
break;
case CSSSelector::PseudoChecked:
// Even though WinIE allows checked and indeterminate to co-exist, the CSS selector spec says that
// you can't be both checked and indeterminate. We will behave like WinIE behind the scenes and just
// obey the CSS spec here in the test for matching the pseudo.
if (e && e->isChecked() && !e->isIndeterminate())
return true;
break;
case CSSSelector::PseudoIndeterminate:
if (e && e->isIndeterminate())
return true;
break;
case CSSSelector::PseudoRoot:
if (e == e->document()->documentElement())
return true;
break;
case CSSSelector::PseudoLang: {
const AtomicString& value = e->getAttribute(langAttr);
if (value.isEmpty() || !value.startsWith(sel->m_argument, false))
break;
if (value.length() != sel->m_argument.length() && value[sel->m_argument.length()] != '-')
break;
return true;
}
case CSSSelector::PseudoNot: {
// check the simple selector
for (CSSSelector* subSel = sel->m_simpleSelector; subSel; subSel = subSel->m_tagHistory) {
// :not cannot nest. I don't really know why this is a
// restriction in CSS3, but it is, so let's honour it.
if (subSel->m_simpleSelector)
break;
if (!checkOneSelector(subSel, e))
return true;
}
break;
}
case CSSSelector::PseudoUnknown:
ASSERT_NOT_REACHED();
break;
// Pseudo-elements:
case CSSSelector::PseudoFirstLine:
if (subject) {
dynamicPseudo = RenderStyle::FIRST_LINE;
return true;
}
break;
case CSSSelector::PseudoFirstLetter:
if (subject) {
dynamicPseudo = RenderStyle::FIRST_LETTER;
if (Document* doc = e->document())
doc->setUsesFirstLetterRules(true);
return true;
}
break;
case CSSSelector::PseudoSelection:
dynamicPseudo = RenderStyle::SELECTION;
return true;
case CSSSelector::PseudoBefore:
dynamicPseudo = RenderStyle::BEFORE;
return true;
case CSSSelector::PseudoAfter:
dynamicPseudo = RenderStyle::AFTER;
return true;
case CSSSelector::PseudoFileUploadButton:
dynamicPseudo = RenderStyle::FILE_UPLOAD_BUTTON;
return true;
case CSSSelector::PseudoSliderThumb:
dynamicPseudo = RenderStyle::SLIDER_THUMB;
return true;
case CSSSelector::PseudoSearchCancelButton:
dynamicPseudo = RenderStyle::SEARCH_CANCEL_BUTTON;
return true;
case CSSSelector::PseudoSearchDecoration:
dynamicPseudo = RenderStyle::SEARCH_DECORATION;
return true;
case CSSSelector::PseudoSearchResultsDecoration:
dynamicPseudo = RenderStyle::SEARCH_RESULTS_DECORATION;
return true;
case CSSSelector::PseudoSearchResultsButton:
dynamicPseudo = RenderStyle::SEARCH_RESULTS_BUTTON;
return true;
case CSSSelector::PseudoNotParsed:
ASSERT(false);
break;
}
return false;
}
// ### add the rest of the checks...
return true;
}
// -----------------------------------------------------------------
CSSRuleSet::CSSRuleSet()
{
m_universalRules = 0;
m_ruleCount = 0;
}
CSSRuleSet::~CSSRuleSet()
{
deleteAllValues(m_idRules);
deleteAllValues(m_classRules);
deleteAllValues(m_tagRules);
delete m_universalRules;
}
void CSSRuleSet::addToRuleSet(AtomicStringImpl* key, AtomRuleMap& map,
CSSStyleRule* rule, CSSSelector* sel)
{
if (!key) return;
CSSRuleDataList* rules = map.get(key);
if (!rules) {
rules = new CSSRuleDataList(m_ruleCount++, rule, sel);
map.set(key, rules);
} else
rules->append(m_ruleCount++, rule, sel);
}
void CSSRuleSet::addRule(CSSStyleRule* rule, CSSSelector* sel)
{
if (sel->m_match == CSSSelector::Id) {
addToRuleSet(sel->m_value.impl(), m_idRules, rule, sel);
return;
}
if (sel->m_match == CSSSelector::Class) {
addToRuleSet(sel->m_value.impl(), m_classRules, rule, sel);
return;
}
const AtomicString& localName = sel->m_tag.localName();
if (localName != starAtom) {
addToRuleSet(localName.impl(), m_tagRules, rule, sel);
return;
}
// Just put it in the universal rule set.
if (!m_universalRules)
m_universalRules = new CSSRuleDataList(m_ruleCount++, rule, sel);
else
m_universalRules->append(m_ruleCount++, rule, sel);
}
void CSSRuleSet::addRulesFromSheet(CSSStyleSheet* sheet, MediaQueryEvaluator* medium)
{
if (!sheet || !sheet->isCSSStyleSheet())
return;
// No media implies "all", but if a media list exists it must
// contain our current medium
if (sheet->media() && !medium->eval(sheet->media()))
return; // the style sheet doesn't apply
int len = sheet->length();
for (int i = 0; i < len; i++) {
StyleBase* item = sheet->item(i);
if (item->isStyleRule()) {
CSSStyleRule* rule = static_cast<CSSStyleRule*>(item);
for (CSSSelector* s = rule->selector(); s; s = s->next())
addRule(rule, s);
}
else if(item->isImportRule()) {
CSSImportRule* import = static_cast<CSSImportRule*>(item);
if (!import->media() || medium->eval(import->media()))
addRulesFromSheet(import->styleSheet(), medium);
}
else if(item->isMediaRule()) {
CSSMediaRule* r = static_cast<CSSMediaRule*>(item);
CSSRuleList* rules = r->cssRules();
if ((!r->media() || medium->eval(r->media())) && rules) {
// Traverse child elements of the @media rule.
for (unsigned j = 0; j < rules->length(); j++) {
CSSRule *childItem = rules->item(j);
if (childItem->isStyleRule()) {
// It is a StyleRule, so append it to our list
CSSStyleRule* rule = static_cast<CSSStyleRule*>(childItem);
for (CSSSelector* s = rule->selector(); s; s = s->next())
addRule(rule, s);
}
} // for rules
} // if rules
}
}
}
// -------------------------------------------------------------------------------------
// this is mostly boring stuff on how to apply a certain rule to the renderstyle...
static Length convertToLength(CSSPrimitiveValue *primitiveValue, RenderStyle *style, bool *ok = 0)
{
Length l;
if (!primitiveValue) {
if (ok)
*ok = false;
} else {
int type = primitiveValue->primitiveType();
if(type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG)
l = Length(primitiveValue->computeLengthIntForLength(style), Fixed);
else if(type == CSSPrimitiveValue::CSS_PERCENTAGE)
l = Length(primitiveValue->getDoubleValue(), Percent);
else if(type == CSSPrimitiveValue::CSS_NUMBER)
l = Length(primitiveValue->getDoubleValue() * 100.0, Percent);
else if (ok)
*ok = false;
}
return l;
}
void CSSStyleSelector::applyDeclarations(bool applyFirst, bool isImportant,
int startIndex, int endIndex)
{
if (startIndex == -1) return;
for (int i = startIndex; i <= endIndex; i++) {
CSSMutableStyleDeclaration* decl = m_matchedDecls[i];
DeprecatedValueListConstIterator<CSSProperty> end;
for (DeprecatedValueListConstIterator<CSSProperty> it = decl->valuesIterator(); it != end; ++it) {
const CSSProperty& current = *it;
// give special priority to font-xxx, color properties
if (isImportant == current.isImportant()) {
bool first;
switch(current.id()) {
case CSS_PROP_LINE_HEIGHT:
m_lineHeightValue = current.value();
first = !applyFirst; // we apply line-height later
break;
case CSS_PROP_COLOR:
case CSS_PROP_DIRECTION:
case CSS_PROP_DISPLAY:
case CSS_PROP_FONT:
case CSS_PROP_FONT_SIZE:
case CSS_PROP_FONT_STYLE:
case CSS_PROP_FONT_FAMILY:
case CSS_PROP_FONT_WEIGHT:
case CSS_PROP__WEBKIT_TEXT_SIZE_ADJUST:
case CSS_PROP_FONT_VARIANT:
// these have to be applied first, because other properties use the computed
// values of these porperties.
first = true;
break;
default:
first = false;
break;
}
if (first == applyFirst)
applyProperty(current.id(), current.value());
}
}
}
}
static void applyCounterList(RenderStyle* style, CSSValueList* list, bool isReset)
{
CounterDirectiveMap& map = style->accessCounterDirectives();
typedef CounterDirectiveMap::iterator Iterator;
Iterator end = map.end();
for (Iterator it = map.begin(); it != end; ++it)
if (isReset)
it->second.m_reset = false;
else
it->second.m_increment = false;
int length = list ? list->length() : 0;
for (int i = 0; i < length; ++i) {
Pair* pair = static_cast<CSSPrimitiveValue*>(list->item(i))->getPairValue();
AtomicString identifier = static_cast<CSSPrimitiveValue*>(pair->first())->getStringValue();
// FIXME: What about overflow?
int value = static_cast<CSSPrimitiveValue*>(pair->second())->getIntValue();
CounterDirectives& directives = map.add(identifier.impl(), CounterDirectives()).first->second;
if (isReset) {
directives.m_reset = true;
directives.m_resetValue = value;
} else {
if (directives.m_increment)
directives.m_incrementValue += value;
else {
directives.m_increment = true;
directives.m_incrementValue = value;
}
}
}
}
void CSSStyleSelector::applyProperty(int id, CSSValue *value)
{
CSSPrimitiveValue *primitiveValue = 0;
if(value->isPrimitiveValue()) primitiveValue = static_cast<CSSPrimitiveValue*>(value);
Length l;
bool apply = false;
unsigned short valueType = value->cssValueType();
bool isInherit = parentNode && valueType == CSSValue::CSS_INHERIT;
bool isInitial = valueType == CSSValue::CSS_INITIAL || (!parentNode && valueType == CSSValue::CSS_INHERIT);
// These properties are used to set the correct margins/padding on RTL lists.
if (id == CSS_PROP__WEBKIT_MARGIN_START)
id = style->direction() == LTR ? CSS_PROP_MARGIN_LEFT : CSS_PROP_MARGIN_RIGHT;
else if (id == CSS_PROP__WEBKIT_PADDING_START)
id = style->direction() == LTR ? CSS_PROP_PADDING_LEFT : CSS_PROP_PADDING_RIGHT;
// What follows is a list that maps the CSS properties into their corresponding front-end
// RenderStyle values. Shorthands (e.g. border, background) occur in this list as well and
// are only hit when mapping "inherit" or "initial" into front-end values.
switch (static_cast<CSSPropertyID>(id))
{
// ident only properties
case CSS_PROP_BACKGROUND_ATTACHMENT:
HANDLE_BACKGROUND_VALUE(backgroundAttachment, BackgroundAttachment, value)
return;
case CSS_PROP__WEBKIT_BACKGROUND_CLIP:
HANDLE_BACKGROUND_VALUE(backgroundClip, BackgroundClip, value)
return;
case CSS_PROP__WEBKIT_BACKGROUND_COMPOSITE:
HANDLE_BACKGROUND_VALUE(backgroundComposite, BackgroundComposite, value)
return;
case CSS_PROP__WEBKIT_BACKGROUND_ORIGIN:
HANDLE_BACKGROUND_VALUE(backgroundOrigin, BackgroundOrigin, value)
return;
case CSS_PROP_BACKGROUND_REPEAT:
HANDLE_BACKGROUND_VALUE(backgroundRepeat, BackgroundRepeat, value)
return;
case CSS_PROP__WEBKIT_BACKGROUND_SIZE:
HANDLE_BACKGROUND_VALUE(backgroundSize, BackgroundSize, value)
return;
case CSS_PROP_BORDER_COLLAPSE:
HANDLE_INHERIT_AND_INITIAL(borderCollapse, BorderCollapse)
if(!primitiveValue) return;
switch(primitiveValue->getIdent())
{
case CSS_VAL_COLLAPSE:
style->setBorderCollapse(true);
break;
case CSS_VAL_SEPARATE:
style->setBorderCollapse(false);
break;
default:
return;
}
return;
case CSS_PROP_BORDER_TOP_STYLE:
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(borderTopStyle, BorderTopStyle, BorderStyle)
if (!primitiveValue) return;
style->setBorderTopStyle((EBorderStyle)(primitiveValue->getIdent() - CSS_VAL_NONE));
return;
case CSS_PROP_BORDER_RIGHT_STYLE:
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(borderRightStyle, BorderRightStyle, BorderStyle)
if (!primitiveValue) return;
style->setBorderRightStyle((EBorderStyle)(primitiveValue->getIdent() - CSS_VAL_NONE));
return;
case CSS_PROP_BORDER_BOTTOM_STYLE:
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(borderBottomStyle, BorderBottomStyle, BorderStyle)
if (!primitiveValue) return;
style->setBorderBottomStyle((EBorderStyle)(primitiveValue->getIdent() - CSS_VAL_NONE));
return;
case CSS_PROP_BORDER_LEFT_STYLE:
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(borderLeftStyle, BorderLeftStyle, BorderStyle)
if (!primitiveValue) return;
style->setBorderLeftStyle((EBorderStyle)(primitiveValue->getIdent() - CSS_VAL_NONE));
return;
case CSS_PROP_OUTLINE_STYLE:
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(outlineStyle, OutlineStyle, BorderStyle)
if (!primitiveValue) return;
if (primitiveValue->getIdent() == CSS_VAL_AUTO)
style->setOutlineStyle(DOTTED, true);
else
style->setOutlineStyle((EBorderStyle)(primitiveValue->getIdent() - CSS_VAL_NONE));
return;
case CSS_PROP_CAPTION_SIDE:
{
HANDLE_INHERIT_AND_INITIAL(captionSide, CaptionSide)
if(!primitiveValue) return;
ECaptionSide c = RenderStyle::initialCaptionSide();
switch(primitiveValue->getIdent())
{
case CSS_VAL_LEFT:
c = CAPLEFT; break;
case CSS_VAL_RIGHT:
c = CAPRIGHT; break;
case CSS_VAL_TOP:
c = CAPTOP; break;
case CSS_VAL_BOTTOM:
c = CAPBOTTOM; break;
default:
return;
}
style->setCaptionSide(c);
return;
}
case CSS_PROP_CLEAR:
{
HANDLE_INHERIT_AND_INITIAL(clear, Clear)
if(!primitiveValue) return;
EClear c;
switch(primitiveValue->getIdent())
{
case CSS_VAL_NONE:
c = CNONE; break;
case CSS_VAL_LEFT:
c = CLEFT; break;
case CSS_VAL_RIGHT:
c = CRIGHT; break;
case CSS_VAL_BOTH:
c = CBOTH; break;
default:
return;
}
style->setClear(c);
return;
}
case CSS_PROP_DIRECTION:
{
HANDLE_INHERIT_AND_INITIAL(direction, Direction)
if(!primitiveValue) break;
style->setDirection(primitiveValue->getIdent() == CSS_VAL_LTR ? LTR : RTL);
return;
}
case CSS_PROP_DISPLAY:
{
HANDLE_INHERIT_AND_INITIAL(display, Display)
if(!primitiveValue) break;
int id = primitiveValue->getIdent();
EDisplay d;
if (id == CSS_VAL_NONE)
d = NONE;
else
d = EDisplay(primitiveValue->getIdent() - CSS_VAL_INLINE);
style->setDisplay(d);
return;
}
case CSS_PROP_EMPTY_CELLS:
{
HANDLE_INHERIT_AND_INITIAL(emptyCells, EmptyCells)
if (!primitiveValue) break;
int id = primitiveValue->getIdent();
if (id == CSS_VAL_SHOW)
style->setEmptyCells(SHOW);
else if (id == CSS_VAL_HIDE)
style->setEmptyCells(HIDE);
return;
}
case CSS_PROP_FLOAT:
{
HANDLE_INHERIT_AND_INITIAL(floating, Floating)
if(!primitiveValue) return;
EFloat f;
switch(primitiveValue->getIdent())
{
case CSS_VAL_LEFT:
f = FLEFT; break;
case CSS_VAL_RIGHT:
f = FRIGHT; break;
case CSS_VAL_NONE:
case CSS_VAL_CENTER: //Non standart CSS-Value
f = FNONE; break;
default:
return;
}
style->setFloating(f);
return;
}
case CSS_PROP_FONT_STYLE:
{
FontDescription fontDescription = style->fontDescription();
if (isInherit)
fontDescription.setItalic(parentStyle->fontDescription().italic());
else if (isInitial)
fontDescription.setItalic(false);
else {
if (!primitiveValue) return;
switch (primitiveValue->getIdent()) {
case CSS_VAL_OBLIQUE:
// FIXME: oblique is the same as italic for the moment...
case CSS_VAL_ITALIC:
fontDescription.setItalic(true);
break;
case CSS_VAL_NORMAL:
fontDescription.setItalic(false);
break;
default:
return;
}
}
if (style->setFontDescription(fontDescription))
fontDirty = true;
return;
}
case CSS_PROP_FONT_VARIANT:
{
FontDescription fontDescription = style->fontDescription();
if (isInherit)
fontDescription.setSmallCaps(parentStyle->fontDescription().smallCaps());
else if (isInitial)
fontDescription.setSmallCaps(false);
else {
if (!primitiveValue) return;
int id = primitiveValue->getIdent();
if (id == CSS_VAL_NORMAL)
fontDescription.setSmallCaps(false);
else if (id == CSS_VAL_SMALL_CAPS)
fontDescription.setSmallCaps(true);
else
return;
}
if (style->setFontDescription(fontDescription))
fontDirty = true;
return;
}
case CSS_PROP_FONT_WEIGHT:
{
FontDescription fontDescription = style->fontDescription();
if (isInherit)
fontDescription.setWeight(parentStyle->fontDescription().weight());
else if (isInitial)
fontDescription.setWeight(cNormalWeight);
else {
if (!primitiveValue) return;
if (primitiveValue->getIdent()) {
switch (primitiveValue->getIdent()) {
// FIXME: We aren't genuinely supporting specific weight values.
case CSS_VAL_BOLD:
case CSS_VAL_BOLDER:
case CSS_VAL_600:
case CSS_VAL_700:
case CSS_VAL_800:
case CSS_VAL_900:
fontDescription.setWeight(cBoldWeight);
break;
case CSS_VAL_NORMAL:
case CSS_VAL_LIGHTER:
case CSS_VAL_100:
case CSS_VAL_200:
case CSS_VAL_300:
case CSS_VAL_400:
case CSS_VAL_500:
fontDescription.setWeight(cNormalWeight);
break;
default:
return;
}
}
else
{
// ### fix parsing of 100-900 values in parser, apply them here
}
}
if (style->setFontDescription(fontDescription))
fontDirty = true;
return;
}
case CSS_PROP_LIST_STYLE_POSITION:
{
HANDLE_INHERIT_AND_INITIAL(listStylePosition, ListStylePosition)
if (!primitiveValue) return;
if (primitiveValue->getIdent())
style->setListStylePosition((EListStylePosition) (primitiveValue->getIdent() - CSS_VAL_OUTSIDE));
return;
}
case CSS_PROP_LIST_STYLE_TYPE:
{
HANDLE_INHERIT_AND_INITIAL(listStyleType, ListStyleType)
if (!primitiveValue) return;
if (primitiveValue->getIdent())
{
EListStyleType t;
int id = primitiveValue->getIdent();
if (id == CSS_VAL_NONE) { // important!!
t = LNONE;
} else {
t = EListStyleType(id - CSS_VAL_DISC);
}
style->setListStyleType(t);
}
return;
}
case CSS_PROP_OVERFLOW:
{
if (isInherit) {
style->setOverflowX(parentStyle->overflowX());
style->setOverflowY(parentStyle->overflowY());
return;
}
if (isInitial) {
style->setOverflowX(RenderStyle::initialOverflowX());
style->setOverflowY(RenderStyle::initialOverflowY());
return;
}
EOverflow o;
switch(primitiveValue->getIdent()) {
case CSS_VAL_VISIBLE:
o = OVISIBLE; break;
case CSS_VAL_HIDDEN:
o = OHIDDEN; break;
case CSS_VAL_SCROLL:
o = OSCROLL; break;
case CSS_VAL_AUTO:
o = OAUTO; break;
case CSS_VAL__WEBKIT_MARQUEE:
o = OMARQUEE; break;
case CSS_VAL_OVERLAY:
o = OOVERLAY; break;
default:
return;
}
style->setOverflowX(o);
style->setOverflowY(o);
return;
}
case CSS_PROP_OVERFLOW_X:
{
HANDLE_INHERIT_AND_INITIAL(overflowX, OverflowX)
EOverflow o;
switch(primitiveValue->getIdent())
{
case CSS_VAL_VISIBLE:
o = OVISIBLE; break;
case CSS_VAL_HIDDEN:
o = OHIDDEN; break;
case CSS_VAL_SCROLL:
o = OSCROLL; break;
case CSS_VAL_AUTO:
o = OAUTO; break;
case CSS_VAL__WEBKIT_MARQUEE:
o = OMARQUEE; break;
case CSS_VAL_OVERLAY:
o = OOVERLAY; break;
default:
return;
}
style->setOverflowX(o);
return;
}
case CSS_PROP_OVERFLOW_Y:
{
HANDLE_INHERIT_AND_INITIAL(overflowY, OverflowY)
EOverflow o;
switch(primitiveValue->getIdent())
{
case CSS_VAL_VISIBLE:
o = OVISIBLE; break;
case CSS_VAL_HIDDEN:
o = OHIDDEN; break;
case CSS_VAL_SCROLL:
o = OSCROLL; break;
case CSS_VAL_AUTO:
o = OAUTO; break;
case CSS_VAL__WEBKIT_MARQUEE:
o = OMARQUEE; break;
case CSS_VAL_OVERLAY:
o = OOVERLAY; break;
default:
return;
}
style->setOverflowY(o);
return;
}
case CSS_PROP_PAGE_BREAK_BEFORE:
{
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(pageBreakBefore, PageBreakBefore, PageBreak)
if (!primitiveValue) return;
switch (primitiveValue->getIdent()) {
case CSS_VAL_AUTO:
style->setPageBreakBefore(PBAUTO);
break;
case CSS_VAL_LEFT:
case CSS_VAL_RIGHT:
case CSS_VAL_ALWAYS:
style->setPageBreakBefore(PBALWAYS); // CSS2.1: "Conforming user agents may map left/right to always."
break;
case CSS_VAL_AVOID:
style->setPageBreakBefore(PBAVOID);
break;
}
return;
}
case CSS_PROP_PAGE_BREAK_AFTER:
{
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(pageBreakAfter, PageBreakAfter, PageBreak)
if (!primitiveValue) return;
switch (primitiveValue->getIdent()) {
case CSS_VAL_AUTO:
style->setPageBreakAfter(PBAUTO);
break;
case CSS_VAL_LEFT:
case CSS_VAL_RIGHT:
case CSS_VAL_ALWAYS:
style->setPageBreakAfter(PBALWAYS); // CSS2.1: "Conforming user agents may map left/right to always."
break;
case CSS_VAL_AVOID:
style->setPageBreakAfter(PBAVOID);
break;
}
return;
}
case CSS_PROP_PAGE_BREAK_INSIDE: {
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(pageBreakInside, PageBreakInside, PageBreak)
if (!primitiveValue) return;
if (primitiveValue->getIdent() == CSS_VAL_AUTO)
style->setPageBreakInside(PBAUTO);
else if (primitiveValue->getIdent() == CSS_VAL_AVOID)
style->setPageBreakInside(PBAVOID);
return;
}
case CSS_PROP_POSITION:
{
HANDLE_INHERIT_AND_INITIAL(position, Position)
if(!primitiveValue) return;
EPosition p;
switch(primitiveValue->getIdent())
{
case CSS_VAL_STATIC:
p = StaticPosition;
break;
case CSS_VAL_RELATIVE:
p = RelativePosition;
break;
case CSS_VAL_ABSOLUTE:
p = AbsolutePosition;
break;
case CSS_VAL_FIXED:
p = FixedPosition;
break;
default:
return;
}
style->setPosition(p);
return;
}
case CSS_PROP_TABLE_LAYOUT: {
HANDLE_INHERIT_AND_INITIAL(tableLayout, TableLayout)
if (!primitiveValue->getIdent())
return;
ETableLayout l = RenderStyle::initialTableLayout();
switch(primitiveValue->getIdent()) {
case CSS_VAL_FIXED:
l = TFIXED;
// fall through
case CSS_VAL_AUTO:
style->setTableLayout(l);
default:
break;
}
return;
}
case CSS_PROP_UNICODE_BIDI: {
HANDLE_INHERIT_AND_INITIAL(unicodeBidi, UnicodeBidi)
switch (primitiveValue->getIdent()) {
case CSS_VAL_NORMAL:
style->setUnicodeBidi(UBNormal);
break;
case CSS_VAL_EMBED:
style->setUnicodeBidi(Embed);
break;
case CSS_VAL_BIDI_OVERRIDE:
style->setUnicodeBidi(Override);
break;
default:
return;
}
return;
}
case CSS_PROP_TEXT_TRANSFORM: {
HANDLE_INHERIT_AND_INITIAL(textTransform, TextTransform)
if(!primitiveValue->getIdent()) return;
ETextTransform tt;
switch(primitiveValue->getIdent()) {
case CSS_VAL_CAPITALIZE: tt = CAPITALIZE; break;
case CSS_VAL_UPPERCASE: tt = UPPERCASE; break;
case CSS_VAL_LOWERCASE: tt = LOWERCASE; break;
case CSS_VAL_NONE:
default: tt = TTNONE; break;
}
style->setTextTransform(tt);
return;
}
case CSS_PROP_VISIBILITY:
{
HANDLE_INHERIT_AND_INITIAL(visibility, Visibility)
switch(primitiveValue->getIdent()) {
case CSS_VAL_HIDDEN:
style->setVisibility(HIDDEN);
break;
case CSS_VAL_VISIBLE:
style->setVisibility(VISIBLE);
break;
case CSS_VAL_COLLAPSE:
style->setVisibility(COLLAPSE);
default:
break;
}
return;
}
case CSS_PROP_WHITE_SPACE:
HANDLE_INHERIT_AND_INITIAL(whiteSpace, WhiteSpace)
if(!primitiveValue->getIdent()) return;
EWhiteSpace s;
switch(primitiveValue->getIdent()) {
case CSS_VAL__WEBKIT_NOWRAP:
s = KHTML_NOWRAP;
break;
case CSS_VAL_NOWRAP:
s = NOWRAP;
break;
case CSS_VAL_PRE:
s = PRE;
break;
case CSS_VAL_PRE_WRAP:
s = PRE_WRAP;
break;
case CSS_VAL_PRE_LINE:
s = PRE_LINE;
break;
case CSS_VAL_NORMAL:
default:
s = NORMAL;
break;
}
style->setWhiteSpace(s);
return;
case CSS_PROP_BACKGROUND_POSITION:
HANDLE_BACKGROUND_INHERIT_AND_INITIAL(backgroundXPosition, BackgroundXPosition);
HANDLE_BACKGROUND_INHERIT_AND_INITIAL(backgroundYPosition, BackgroundYPosition);
return;
case CSS_PROP_BACKGROUND_POSITION_X: {
HANDLE_BACKGROUND_VALUE(backgroundXPosition, BackgroundXPosition, value)
return;
}
case CSS_PROP_BACKGROUND_POSITION_Y: {
HANDLE_BACKGROUND_VALUE(backgroundYPosition, BackgroundYPosition, value)
return;
}
case CSS_PROP_BORDER_SPACING: {
if (isInherit) {
style->setHorizontalBorderSpacing(parentStyle->horizontalBorderSpacing());
style->setVerticalBorderSpacing(parentStyle->verticalBorderSpacing());
}
else if (isInitial) {
style->setHorizontalBorderSpacing(0);
style->setVerticalBorderSpacing(0);
}
return;
}
case CSS_PROP__WEBKIT_BORDER_HORIZONTAL_SPACING: {
HANDLE_INHERIT_AND_INITIAL(horizontalBorderSpacing, HorizontalBorderSpacing)
if (!primitiveValue) return;
short spacing = primitiveValue->computeLengthShort(style);
style->setHorizontalBorderSpacing(spacing);
return;
}
case CSS_PROP__WEBKIT_BORDER_VERTICAL_SPACING: {
HANDLE_INHERIT_AND_INITIAL(verticalBorderSpacing, VerticalBorderSpacing)
if (!primitiveValue) return;
short spacing = primitiveValue->computeLengthShort(style);
style->setVerticalBorderSpacing(spacing);
return;
}
case CSS_PROP_CURSOR:
if (isInherit) {
style->setCursor(parentStyle->cursor());
style->setCursorList(parentStyle->cursors());
return;
}
style->clearCursorList();
if (isInitial) {
style->setCursor(RenderStyle::initialCursor());
return;
}
if (value->isValueList()) {
CSSValueList* list = static_cast<CSSValueList*>(value);
int len = list->length();
style->setCursor(CURSOR_AUTO);
for (int i = 0; i < len; i++) {
CSSValue* item = list->item(i);
if (!item->isPrimitiveValue())
continue;
primitiveValue = static_cast<CSSPrimitiveValue*>(item);
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_URI) {
#if ENABLE(SVG)
if (primitiveValue->getStringValue().find("#") == 0)
style->addSVGCursor(primitiveValue->getStringValue().substring(1));
else
#endif
{
CSSCursorImageValue* image = static_cast<CSSCursorImageValue*>(primitiveValue);
style->addCursor(image->image(element->document()->docLoader()), image->hotspot());
}
} else if (type == CSSPrimitiveValue::CSS_IDENT) {
int ident = primitiveValue->getIdent();
if (ident == CSS_VAL_COPY)
style->setCursor(CURSOR_COPY);
else if (ident == CSS_VAL_NONE)
style->setCursor(CURSOR_NONE);
else
style->setCursor((ECursor)(ident - CSS_VAL_AUTO));
}
}
} else if (primitiveValue) {
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_IDENT) {
int ident = primitiveValue->getIdent();
if (ident == CSS_VAL_COPY)
style->setCursor(CURSOR_COPY);
else if (ident == CSS_VAL_NONE)
style->setCursor(CURSOR_NONE);
else
style->setCursor((ECursor)(ident - CSS_VAL_AUTO));
}
}
return;
// colors || inherit
case CSS_PROP_BACKGROUND_COLOR:
case CSS_PROP_BORDER_TOP_COLOR:
case CSS_PROP_BORDER_RIGHT_COLOR:
case CSS_PROP_BORDER_BOTTOM_COLOR:
case CSS_PROP_BORDER_LEFT_COLOR:
case CSS_PROP_COLOR:
case CSS_PROP_OUTLINE_COLOR:
case CSS_PROP__WEBKIT_COLUMN_RULE_COLOR:
case CSS_PROP__WEBKIT_TEXT_STROKE_COLOR:
case CSS_PROP__WEBKIT_TEXT_FILL_COLOR: {
Color col;
if (isInherit) {
HANDLE_INHERIT_COND(CSS_PROP_BACKGROUND_COLOR, backgroundColor, BackgroundColor)
HANDLE_INHERIT_COND(CSS_PROP_BORDER_TOP_COLOR, borderTopColor, BorderTopColor)
HANDLE_INHERIT_COND(CSS_PROP_BORDER_BOTTOM_COLOR, borderBottomColor, BorderBottomColor)
HANDLE_INHERIT_COND(CSS_PROP_BORDER_RIGHT_COLOR, borderRightColor, BorderRightColor)
HANDLE_INHERIT_COND(CSS_PROP_BORDER_LEFT_COLOR, borderLeftColor, BorderLeftColor)
HANDLE_INHERIT_COND(CSS_PROP_COLOR, color, Color)
HANDLE_INHERIT_COND(CSS_PROP_OUTLINE_COLOR, outlineColor, OutlineColor)
HANDLE_INHERIT_COND(CSS_PROP__WEBKIT_COLUMN_RULE_COLOR, columnRuleColor, ColumnRuleColor)
HANDLE_INHERIT_COND(CSS_PROP__WEBKIT_TEXT_STROKE_COLOR, textStrokeColor, TextStrokeColor)
HANDLE_INHERIT_COND(CSS_PROP__WEBKIT_TEXT_FILL_COLOR, textFillColor, TextFillColor)
return;
}
if (isInitial) {
// The border/outline colors will just map to the invalid color |col| above. This will have the
// effect of forcing the use of the currentColor when it comes time to draw the borders (and of
// not painting the background since the color won't be valid).
if (id == CSS_PROP_COLOR)
col = RenderStyle::initialColor();
} else {
if (!primitiveValue)
return;
col = getColorFromPrimitiveValue(primitiveValue);
}
switch(id) {
case CSS_PROP_BACKGROUND_COLOR:
style->setBackgroundColor(col); break;
case CSS_PROP_BORDER_TOP_COLOR:
style->setBorderTopColor(col); break;
case CSS_PROP_BORDER_RIGHT_COLOR:
style->setBorderRightColor(col); break;
case CSS_PROP_BORDER_BOTTOM_COLOR:
style->setBorderBottomColor(col); break;
case CSS_PROP_BORDER_LEFT_COLOR:
style->setBorderLeftColor(col); break;
case CSS_PROP_COLOR:
style->setColor(col); break;
case CSS_PROP_OUTLINE_COLOR:
style->setOutlineColor(col); break;
case CSS_PROP__WEBKIT_COLUMN_RULE_COLOR:
style->setColumnRuleColor(col);
break;
case CSS_PROP__WEBKIT_TEXT_STROKE_COLOR:
style->setTextStrokeColor(col);
break;
case CSS_PROP__WEBKIT_TEXT_FILL_COLOR:
style->setTextFillColor(col);
break;
}
return;
}
// uri || inherit
case CSS_PROP_BACKGROUND_IMAGE:
HANDLE_BACKGROUND_VALUE(backgroundImage, BackgroundImage, value)
return;
case CSS_PROP_LIST_STYLE_IMAGE:
{
HANDLE_INHERIT_AND_INITIAL(listStyleImage, ListStyleImage)
if (!primitiveValue)
return;
style->setListStyleImage(static_cast<CSSImageValue*>(primitiveValue)->image(element->document()->docLoader()));
return;
}
// length
case CSS_PROP_BORDER_TOP_WIDTH:
case CSS_PROP_BORDER_RIGHT_WIDTH:
case CSS_PROP_BORDER_BOTTOM_WIDTH:
case CSS_PROP_BORDER_LEFT_WIDTH:
case CSS_PROP_OUTLINE_WIDTH:
case CSS_PROP__WEBKIT_COLUMN_RULE_WIDTH:
{
if (isInherit) {
HANDLE_INHERIT_COND(CSS_PROP_BORDER_TOP_WIDTH, borderTopWidth, BorderTopWidth)
HANDLE_INHERIT_COND(CSS_PROP_BORDER_RIGHT_WIDTH, borderRightWidth, BorderRightWidth)
HANDLE_INHERIT_COND(CSS_PROP_BORDER_BOTTOM_WIDTH, borderBottomWidth, BorderBottomWidth)
HANDLE_INHERIT_COND(CSS_PROP_BORDER_LEFT_WIDTH, borderLeftWidth, BorderLeftWidth)
HANDLE_INHERIT_COND(CSS_PROP_OUTLINE_WIDTH, outlineWidth, OutlineWidth)
HANDLE_INHERIT_COND(CSS_PROP__WEBKIT_COLUMN_RULE_WIDTH, columnRuleWidth, ColumnRuleWidth)
return;
}
else if (isInitial) {
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_BORDER_TOP_WIDTH, BorderTopWidth, BorderWidth)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_BORDER_RIGHT_WIDTH, BorderRightWidth, BorderWidth)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_BORDER_BOTTOM_WIDTH, BorderBottomWidth, BorderWidth)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_BORDER_LEFT_WIDTH, BorderLeftWidth, BorderWidth)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_OUTLINE_WIDTH, OutlineWidth, BorderWidth)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP__WEBKIT_COLUMN_RULE_WIDTH, ColumnRuleWidth, BorderWidth)
return;
}
if(!primitiveValue) return;
short width = 3;
switch(primitiveValue->getIdent())
{
case CSS_VAL_THIN:
width = 1;
break;
case CSS_VAL_MEDIUM:
width = 3;
break;
case CSS_VAL_THICK:
width = 5;
break;
case CSS_VAL_INVALID:
width = primitiveValue->computeLengthShort(style);
break;
default:
return;
}
if(width < 0) return;
switch(id)
{
case CSS_PROP_BORDER_TOP_WIDTH:
style->setBorderTopWidth(width);
break;
case CSS_PROP_BORDER_RIGHT_WIDTH:
style->setBorderRightWidth(width);
break;
case CSS_PROP_BORDER_BOTTOM_WIDTH:
style->setBorderBottomWidth(width);
break;
case CSS_PROP_BORDER_LEFT_WIDTH:
style->setBorderLeftWidth(width);
break;
case CSS_PROP_OUTLINE_WIDTH:
style->setOutlineWidth(width);
break;
case CSS_PROP__WEBKIT_COLUMN_RULE_WIDTH:
style->setColumnRuleWidth(width);
break;
default:
return;
}
return;
}
case CSS_PROP_LETTER_SPACING:
case CSS_PROP_WORD_SPACING:
{
if (isInherit) {
HANDLE_INHERIT_COND(CSS_PROP_LETTER_SPACING, letterSpacing, LetterSpacing)
HANDLE_INHERIT_COND(CSS_PROP_WORD_SPACING, wordSpacing, WordSpacing)
return;
}
else if (isInitial) {
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_LETTER_SPACING, LetterSpacing, LetterWordSpacing)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_WORD_SPACING, WordSpacing, LetterWordSpacing)
return;
}
int width = 0;
if (primitiveValue && primitiveValue->getIdent() == CSS_VAL_NORMAL){
width = 0;
} else {
if(!primitiveValue) return;
width = primitiveValue->computeLengthInt(style);
}
switch(id)
{
case CSS_PROP_LETTER_SPACING:
style->setLetterSpacing(width);
break;
case CSS_PROP_WORD_SPACING:
style->setWordSpacing(width);
break;
// ### needs the definitions in renderstyle
default: break;
}
return;
}
case CSS_PROP_WORD_BREAK: {
HANDLE_INHERIT_AND_INITIAL(wordBreak, WordBreak)
EWordBreak b;
switch (primitiveValue->getIdent()) {
case CSS_VAL_BREAK_ALL:
b = BreakAllWordBreak;
break;
case CSS_VAL_BREAK_WORD:
b = BreakWordBreak;
break;
case CSS_VAL_NORMAL:
default:
b = NormalWordBreak;
break;
}
style->setWordBreak(b);
return;
}
case CSS_PROP_WORD_WRAP: {
HANDLE_INHERIT_AND_INITIAL(wordWrap, WordWrap)
EWordWrap s;
switch(primitiveValue->getIdent()) {
case CSS_VAL_BREAK_WORD:
s = BreakWordWrap;
break;
case CSS_VAL_NORMAL:
default:
s = NormalWordWrap;
break;
}
style->setWordWrap(s);
return;
}
case CSS_PROP__WEBKIT_NBSP_MODE:
{
HANDLE_INHERIT_AND_INITIAL(nbspMode, NBSPMode)
if (!primitiveValue->getIdent()) return;
ENBSPMode m;
switch(primitiveValue->getIdent()) {
case CSS_VAL_SPACE:
m = SPACE;
break;
case CSS_VAL_NORMAL:
default:
m = NBNORMAL;
break;
}
style->setNBSPMode(m);
return;
}
case CSS_PROP__WEBKIT_LINE_BREAK:
{
HANDLE_INHERIT_AND_INITIAL(khtmlLineBreak, KHTMLLineBreak)
if (!primitiveValue->getIdent()) return;
EKHTMLLineBreak b;
switch(primitiveValue->getIdent()) {
case CSS_VAL_AFTER_WHITE_SPACE:
b = AFTER_WHITE_SPACE;
break;
case CSS_VAL_NORMAL:
default:
b = LBNORMAL;
break;
}
style->setKHTMLLineBreak(b);
return;
}
case CSS_PROP__WEBKIT_MATCH_NEAREST_MAIL_BLOCKQUOTE_COLOR:
{
HANDLE_INHERIT_AND_INITIAL(matchNearestMailBlockquoteColor, MatchNearestMailBlockquoteColor)
if (!primitiveValue->getIdent()) return;
EMatchNearestMailBlockquoteColor c;
switch(primitiveValue->getIdent()) {
case CSS_VAL_NORMAL:
c = BCNORMAL;
break;
case CSS_VAL_MATCH:
default:
c = MATCH;
break;
}
style->setMatchNearestMailBlockquoteColor(c);
return;
}
case CSS_PROP_RESIZE:
{
HANDLE_INHERIT_AND_INITIAL(resize, Resize)
if (!primitiveValue->getIdent()) return;
EResize r = RESIZE_NONE;
switch(primitiveValue->getIdent()) {
case CSS_VAL_BOTH:
r = RESIZE_BOTH;
break;
case CSS_VAL_HORIZONTAL:
r = RESIZE_HORIZONTAL;
break;
case CSS_VAL_VERTICAL:
r = RESIZE_VERTICAL;
break;
case CSS_VAL_AUTO:
if (Settings* settings = m_document->settings())
r = settings->textAreasAreResizable() ? RESIZE_BOTH : RESIZE_NONE;
break;
case CSS_VAL_NONE:
default:
r = RESIZE_NONE;
break;
}
style->setResize(r);
return;
}
// length, percent
case CSS_PROP_MAX_WIDTH:
// +none +inherit
if(primitiveValue && primitiveValue->getIdent() == CSS_VAL_NONE)
apply = true;
case CSS_PROP_TOP:
case CSS_PROP_LEFT:
case CSS_PROP_RIGHT:
case CSS_PROP_BOTTOM:
case CSS_PROP_WIDTH:
case CSS_PROP_MIN_WIDTH:
case CSS_PROP_MARGIN_TOP:
case CSS_PROP_MARGIN_RIGHT:
case CSS_PROP_MARGIN_BOTTOM:
case CSS_PROP_MARGIN_LEFT:
// +inherit +auto
if (id == CSS_PROP_WIDTH || id == CSS_PROP_MIN_WIDTH || id == CSS_PROP_MAX_WIDTH) {
if (primitiveValue && primitiveValue->getIdent() == CSS_VAL_INTRINSIC) {
l = Length(Intrinsic);
apply = true;
}
else if (primitiveValue && primitiveValue->getIdent() == CSS_VAL_MIN_INTRINSIC) {
l = Length(MinIntrinsic);
apply = true;
}
}
if (id != CSS_PROP_MAX_WIDTH && primitiveValue && primitiveValue->getIdent() == CSS_VAL_AUTO)
apply = true;
case CSS_PROP_PADDING_TOP:
case CSS_PROP_PADDING_RIGHT:
case CSS_PROP_PADDING_BOTTOM:
case CSS_PROP_PADDING_LEFT:
case CSS_PROP_TEXT_INDENT:
// +inherit
{
if (isInherit) {
HANDLE_INHERIT_COND(CSS_PROP_MAX_WIDTH, maxWidth, MaxWidth)
HANDLE_INHERIT_COND(CSS_PROP_BOTTOM, bottom, Bottom)
HANDLE_INHERIT_COND(CSS_PROP_TOP, top, Top)
HANDLE_INHERIT_COND(CSS_PROP_LEFT, left, Left)
HANDLE_INHERIT_COND(CSS_PROP_RIGHT, right, Right)
HANDLE_INHERIT_COND(CSS_PROP_WIDTH, width, Width)
HANDLE_INHERIT_COND(CSS_PROP_MIN_WIDTH, minWidth, MinWidth)
HANDLE_INHERIT_COND(CSS_PROP_PADDING_TOP, paddingTop, PaddingTop)
HANDLE_INHERIT_COND(CSS_PROP_PADDING_RIGHT, paddingRight, PaddingRight)
HANDLE_INHERIT_COND(CSS_PROP_PADDING_BOTTOM, paddingBottom, PaddingBottom)
HANDLE_INHERIT_COND(CSS_PROP_PADDING_LEFT, paddingLeft, PaddingLeft)
HANDLE_INHERIT_COND(CSS_PROP_MARGIN_TOP, marginTop, MarginTop)
HANDLE_INHERIT_COND(CSS_PROP_MARGIN_RIGHT, marginRight, MarginRight)
HANDLE_INHERIT_COND(CSS_PROP_MARGIN_BOTTOM, marginBottom, MarginBottom)
HANDLE_INHERIT_COND(CSS_PROP_MARGIN_LEFT, marginLeft, MarginLeft)
HANDLE_INHERIT_COND(CSS_PROP_TEXT_INDENT, textIndent, TextIndent)
return;
}
else if (isInitial) {
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MAX_WIDTH, MaxWidth, MaxSize)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_BOTTOM, Bottom, Offset)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_TOP, Top, Offset)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_LEFT, Left, Offset)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_RIGHT, Right, Offset)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_WIDTH, Width, Size)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MIN_WIDTH, MinWidth, MinSize)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_PADDING_TOP, PaddingTop, Padding)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_PADDING_RIGHT, PaddingRight, Padding)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_PADDING_BOTTOM, PaddingBottom, Padding)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_PADDING_LEFT, PaddingLeft, Padding)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MARGIN_TOP, MarginTop, Margin)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MARGIN_RIGHT, MarginRight, Margin)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MARGIN_BOTTOM, MarginBottom, Margin)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MARGIN_LEFT, MarginLeft, Margin)
HANDLE_INITIAL_COND(CSS_PROP_TEXT_INDENT, TextIndent)
return;
}
if (primitiveValue && !apply) {
int type = primitiveValue->primitiveType();
if(type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG)
// Handle our quirky margin units if we have them.
l = Length(primitiveValue->computeLengthIntForLength(style), Fixed,
primitiveValue->isQuirkValue());
else if(type == CSSPrimitiveValue::CSS_PERCENTAGE)
l = Length(primitiveValue->getDoubleValue(), Percent);
else
return;
if (id == CSS_PROP_PADDING_LEFT || id == CSS_PROP_PADDING_RIGHT ||
id == CSS_PROP_PADDING_TOP || id == CSS_PROP_PADDING_BOTTOM)
// Padding can't be negative
apply = !((l.isFixed() || l.isPercent()) && l.calcValue(100) < 0);
else
apply = true;
}
if(!apply) return;
switch(id)
{
case CSS_PROP_MAX_WIDTH:
style->setMaxWidth(l); break;
case CSS_PROP_BOTTOM:
style->setBottom(l); break;
case CSS_PROP_TOP:
style->setTop(l); break;
case CSS_PROP_LEFT:
style->setLeft(l); break;
case CSS_PROP_RIGHT:
style->setRight(l); break;
case CSS_PROP_WIDTH:
style->setWidth(l); break;
case CSS_PROP_MIN_WIDTH:
style->setMinWidth(l); break;
case CSS_PROP_PADDING_TOP:
style->setPaddingTop(l); break;
case CSS_PROP_PADDING_RIGHT:
style->setPaddingRight(l); break;
case CSS_PROP_PADDING_BOTTOM:
style->setPaddingBottom(l); break;
case CSS_PROP_PADDING_LEFT:
style->setPaddingLeft(l); break;
case CSS_PROP_MARGIN_TOP:
style->setMarginTop(l); break;
case CSS_PROP_MARGIN_RIGHT:
style->setMarginRight(l); break;
case CSS_PROP_MARGIN_BOTTOM:
style->setMarginBottom(l); break;
case CSS_PROP_MARGIN_LEFT:
style->setMarginLeft(l); break;
case CSS_PROP_TEXT_INDENT:
style->setTextIndent(l); break;
default: break;
}
return;
}
case CSS_PROP_MAX_HEIGHT:
if (primitiveValue && primitiveValue->getIdent() == CSS_VAL_NONE) {
l = Length(undefinedLength, Fixed);
apply = true;
}
case CSS_PROP_HEIGHT:
case CSS_PROP_MIN_HEIGHT:
if (primitiveValue && primitiveValue->getIdent() == CSS_VAL_INTRINSIC) {
l = Length(Intrinsic);
apply = true;
} else if (primitiveValue && primitiveValue->getIdent() == CSS_VAL_MIN_INTRINSIC) {
l = Length(MinIntrinsic);
apply = true;
} else if (id != CSS_PROP_MAX_HEIGHT && primitiveValue && primitiveValue->getIdent() == CSS_VAL_AUTO)
apply = true;
if (isInherit) {
HANDLE_INHERIT_COND(CSS_PROP_MAX_HEIGHT, maxHeight, MaxHeight)
HANDLE_INHERIT_COND(CSS_PROP_HEIGHT, height, Height)
HANDLE_INHERIT_COND(CSS_PROP_MIN_HEIGHT, minHeight, MinHeight)
return;
}
if (isInitial) {
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MAX_HEIGHT, MaxHeight, MaxSize)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_HEIGHT, Height, Size)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP_MIN_HEIGHT, MinHeight, MinSize)
return;
}
if (primitiveValue && !apply) {
unsigned short type = primitiveValue->primitiveType();
if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG)
l = Length(primitiveValue->computeLengthIntForLength(style), Fixed);
else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
l = Length(primitiveValue->getDoubleValue(), Percent);
else
return;
apply = true;
}
if (apply)
switch (id) {
case CSS_PROP_MAX_HEIGHT:
style->setMaxHeight(l);
break;
case CSS_PROP_HEIGHT:
style->setHeight(l);
break;
case CSS_PROP_MIN_HEIGHT:
style->setMinHeight(l);
break;
}
return;
case CSS_PROP_VERTICAL_ALIGN:
HANDLE_INHERIT_AND_INITIAL(verticalAlign, VerticalAlign)
if (!primitiveValue) return;
if (primitiveValue->getIdent()) {
EVerticalAlign align;
switch(primitiveValue->getIdent())
{
case CSS_VAL_TOP:
align = TOP; break;
case CSS_VAL_BOTTOM:
align = BOTTOM; break;
case CSS_VAL_MIDDLE:
align = MIDDLE; break;
case CSS_VAL_BASELINE:
align = BASELINE; break;
case CSS_VAL_TEXT_BOTTOM:
align = TEXT_BOTTOM; break;
case CSS_VAL_TEXT_TOP:
align = TEXT_TOP; break;
case CSS_VAL_SUB:
align = SUB; break;
case CSS_VAL_SUPER:
align = SUPER; break;
case CSS_VAL__WEBKIT_BASELINE_MIDDLE:
align = BASELINE_MIDDLE; break;
default:
return;
}
style->setVerticalAlign(align);
return;
} else {
int type = primitiveValue->primitiveType();
Length l;
if(type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG)
l = Length(primitiveValue->computeLengthIntForLength(style), Fixed);
else if(type == CSSPrimitiveValue::CSS_PERCENTAGE)
l = Length(primitiveValue->getDoubleValue(), Percent);
style->setVerticalAlign(LENGTH);
style->setVerticalAlignLength(l);
}
return;
case CSS_PROP_FONT_SIZE:
{
FontDescription fontDescription = style->fontDescription();
fontDescription.setKeywordSize(0);
bool familyIsFixed = fontDescription.genericFamily() == FontDescription::MonospaceFamily;
float oldSize = 0;
float size = 0;
bool parentIsAbsoluteSize = false;
if (parentNode) {
oldSize = parentStyle->fontDescription().specifiedSize();
parentIsAbsoluteSize = parentStyle->fontDescription().isAbsoluteSize();
}
if (isInherit) {
size = oldSize;
if (parentNode)
fontDescription.setKeywordSize(parentStyle->fontDescription().keywordSize());
} else if (isInitial) {
size = fontSizeForKeyword(CSS_VAL_MEDIUM, style->htmlHacks(), familyIsFixed);
fontDescription.setKeywordSize(CSS_VAL_MEDIUM - CSS_VAL_XX_SMALL + 1);
} else if (primitiveValue->getIdent()) {
// Keywords are being used.
switch (primitiveValue->getIdent()) {
case CSS_VAL_XX_SMALL:
case CSS_VAL_X_SMALL:
case CSS_VAL_SMALL:
case CSS_VAL_MEDIUM:
case CSS_VAL_LARGE:
case CSS_VAL_X_LARGE:
case CSS_VAL_XX_LARGE:
case CSS_VAL__WEBKIT_XXX_LARGE:
size = fontSizeForKeyword(primitiveValue->getIdent(), style->htmlHacks(), familyIsFixed);
fontDescription.setKeywordSize(primitiveValue->getIdent() - CSS_VAL_XX_SMALL + 1);
break;
case CSS_VAL_LARGER:
size = largerFontSize(oldSize, style->htmlHacks());
break;
case CSS_VAL_SMALLER:
size = smallerFontSize(oldSize, style->htmlHacks());
break;
default:
return;
}
fontDescription.setIsAbsoluteSize(parentIsAbsoluteSize &&
(primitiveValue->getIdent() == CSS_VAL_LARGER ||
primitiveValue->getIdent() == CSS_VAL_SMALLER));
} else {
int type = primitiveValue->primitiveType();
fontDescription.setIsAbsoluteSize(parentIsAbsoluteSize ||
(type != CSSPrimitiveValue::CSS_PERCENTAGE &&
type != CSSPrimitiveValue::CSS_EMS &&
type != CSSPrimitiveValue::CSS_EXS));
if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG)
size = primitiveValue->computeLengthFloat(parentStyle, false);
else if(type == CSSPrimitiveValue::CSS_PERCENTAGE)
size = (primitiveValue->getFloatValue() * oldSize) / 100.0f;
else
return;
}
if (size < 0)
return;
setFontSize(fontDescription, size);
if (style->setFontDescription(fontDescription))
fontDirty = true;
return;
}
case CSS_PROP_Z_INDEX: {
if (isInherit) {
if (parentStyle->hasAutoZIndex())
style->setHasAutoZIndex();
else
style->setZIndex(parentStyle->zIndex());
return;
} else if (isInitial || primitiveValue->getIdent() == CSS_VAL_AUTO) {
style->setHasAutoZIndex();
return;
}
// FIXME: Should clamp all sorts of other integer properties too.
const double minIntAsDouble = INT_MIN;
const double maxIntAsDouble = INT_MAX;
style->setZIndex(static_cast<int>(max(minIntAsDouble, min(primitiveValue->getDoubleValue(), maxIntAsDouble))));
return;
}
case CSS_PROP_WIDOWS:
{
HANDLE_INHERIT_AND_INITIAL(widows, Widows)
if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return;
style->setWidows(primitiveValue->getIntValue());
return;
}
case CSS_PROP_ORPHANS:
{
HANDLE_INHERIT_AND_INITIAL(orphans, Orphans)
if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return;
style->setOrphans(primitiveValue->getIntValue());
return;
}
// length, percent, number
case CSS_PROP_LINE_HEIGHT:
{
HANDLE_INHERIT_AND_INITIAL(lineHeight, LineHeight)
if(!primitiveValue) return;
Length lineHeight;
int type = primitiveValue->primitiveType();
if (primitiveValue->getIdent() == CSS_VAL_NORMAL)
lineHeight = Length(-100.0, Percent);
else if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG) {
double multiplier = 1.0;
// Scale for the font zoom factor only for types other than "em" and "ex", since those are
// already based on the font size.
if (type != CSSPrimitiveValue::CSS_EMS && type != CSSPrimitiveValue::CSS_EXS && style->textSizeAdjust() && m_document->frame()) {
multiplier = m_document->frame()->zoomFactor() / 100.0;
}
lineHeight = Length(primitiveValue->computeLengthIntForLength(style, multiplier), Fixed);
} else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
lineHeight = Length((style->fontSize() * primitiveValue->getIntValue()) / 100, Fixed);
else if (type == CSSPrimitiveValue::CSS_NUMBER)
lineHeight = Length(primitiveValue->getDoubleValue() * 100.0, Percent);
else
return;
style->setLineHeight(lineHeight);
return;
}
// string
case CSS_PROP_TEXT_ALIGN:
{
HANDLE_INHERIT_AND_INITIAL(textAlign, TextAlign)
if (!primitiveValue) return;
if (primitiveValue->getIdent())
style->setTextAlign((ETextAlign) (primitiveValue->getIdent() - CSS_VAL__WEBKIT_AUTO));
return;
}
// rect
case CSS_PROP_CLIP:
{
Length top;
Length right;
Length bottom;
Length left;
bool hasClip = true;
if (isInherit) {
if (parentStyle->hasClip()) {
top = parentStyle->clipTop();
right = parentStyle->clipRight();
bottom = parentStyle->clipBottom();
left = parentStyle->clipLeft();
}
else {
hasClip = false;
top = right = bottom = left = Length();
}
} else if (isInitial) {
hasClip = false;
top = right = bottom = left = Length();
} else if (!primitiveValue) {
return;
} else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_RECT) {
Rect* rect = primitiveValue->getRectValue();
if (!rect)
return;
top = convertToLength(rect->top(), style);
right = convertToLength(rect->right(), style);
bottom = convertToLength(rect->bottom(), style);
left = convertToLength(rect->left(), style);
} else if (primitiveValue->getIdent() != CSS_VAL_AUTO) {
return;
}
style->setClip(top, right, bottom, left);
style->setHasClip(hasClip);
// rect, ident
return;
}
// lists
case CSS_PROP_CONTENT:
// list of string, uri, counter, attr, i
{
// FIXME: In CSS3, it will be possible to inherit content. In CSS2 it is not. This
// note is a reminder that eventually "inherit" needs to be supported.
if (isInitial) {
style->clearContent();
return;
}
if (!value->isValueList())
return;
CSSValueList* list = static_cast<CSSValueList*>(value);
int len = list->length();
bool didSet = false;
for (int i = 0; i < len; i++) {
CSSValue* item = list->item(i);
if (!item->isPrimitiveValue())
continue;
CSSPrimitiveValue* val = static_cast<CSSPrimitiveValue*>(item);
switch (val->primitiveType()) {
case CSSPrimitiveValue::CSS_STRING:
style->setContent(val->getStringValue().impl(), didSet);
didSet = true;
break;
case CSSPrimitiveValue::CSS_ATTR: {
// FIXME: Can a namespace be specified for an attr(foo)?
if (style->styleType() == RenderStyle::NOPSEUDO)
style->setUnique();
else
parentStyle->setUnique();
QualifiedName attr(nullAtom, val->getStringValue().impl(), nullAtom);
style->setContent(element->getAttribute(attr).impl(), didSet);
didSet = true;
// register the fact that the attribute value affects the style
m_selectorAttrs.add(attr.localName().impl());
break;
}
case CSSPrimitiveValue::CSS_URI: {
CSSImageValue *image = static_cast<CSSImageValue*>(val);
style->setContent(image->image(element->document()->docLoader()), didSet);
didSet = true;
break;
}
case CSSPrimitiveValue::CSS_COUNTER: {
Counter* counterValue = val->getCounterValue();
CounterContent* counter = new CounterContent(counterValue->identifier(),
(EListStyleType)counterValue->listStyleNumber(), counterValue->separator());
style->setContent(counter, didSet);
didSet = true;
}
}
}
if (!didSet)
style->clearContent();
return;
}
case CSS_PROP_COUNTER_INCREMENT:
applyCounterList(style, value->isValueList() ? static_cast<CSSValueList*>(value) : 0, false);
return;
case CSS_PROP_COUNTER_RESET:
applyCounterList(style, value->isValueList() ? static_cast<CSSValueList*>(value) : 0, true);
return;
case CSS_PROP_FONT_FAMILY: {
// list of strings and ids
if (isInherit) {
FontDescription parentFontDescription = parentStyle->fontDescription();
FontDescription fontDescription = style->fontDescription();
fontDescription.setGenericFamily(parentFontDescription.genericFamily());
fontDescription.setFamily(parentFontDescription.firstFamily());
if (style->setFontDescription(fontDescription))
fontDirty = true;
return;
}
else if (isInitial) {
FontDescription initialDesc = FontDescription();
FontDescription fontDescription = style->fontDescription();
// We need to adjust the size to account for the generic family change from monospace
// to non-monospace.
if (fontDescription.keywordSize() && fontDescription.genericFamily() == FontDescription::MonospaceFamily)
setFontSize(fontDescription, fontSizeForKeyword(CSS_VAL_XX_SMALL + fontDescription.keywordSize() - 1, style->htmlHacks(), false));
fontDescription.setGenericFamily(initialDesc.genericFamily());
fontDescription.setFamily(initialDesc.firstFamily());
if (style->setFontDescription(fontDescription))
fontDirty = true;
return;
}
if (!value->isValueList()) return;
FontDescription fontDescription = style->fontDescription();
CSSValueList *list = static_cast<CSSValueList*>(value);
int len = list->length();
FontFamily& firstFamily = fontDescription.firstFamily();
FontFamily *currFamily = 0;
// Before mapping in a new font-family property, we should reset the generic family.
bool oldFamilyIsMonospace = fontDescription.genericFamily() == FontDescription::MonospaceFamily;
fontDescription.setGenericFamily(FontDescription::NoFamily);
for(int i = 0; i < len; i++) {
CSSValue *item = list->item(i);
if(!item->isPrimitiveValue()) continue;
CSSPrimitiveValue *val = static_cast<CSSPrimitiveValue*>(item);
AtomicString face;
Settings* settings = m_document->settings();
if (val->primitiveType() == CSSPrimitiveValue::CSS_STRING)
face = static_cast<FontFamilyValue*>(val)->fontName();
else if (val->primitiveType() == CSSPrimitiveValue::CSS_IDENT && settings) {
switch (val->getIdent()) {
case CSS_VAL__WEBKIT_BODY:
face = settings->standardFontFamily();
break;
case CSS_VAL_SERIF:
face = settings->serifFontFamily();
fontDescription.setGenericFamily(FontDescription::SerifFamily);
break;
case CSS_VAL_SANS_SERIF:
face = settings->sansSerifFontFamily();
fontDescription.setGenericFamily(FontDescription::SansSerifFamily);
break;
case CSS_VAL_CURSIVE:
face = settings->cursiveFontFamily();
fontDescription.setGenericFamily(FontDescription::CursiveFamily);
break;
case CSS_VAL_FANTASY:
face = settings->fantasyFontFamily();
fontDescription.setGenericFamily(FontDescription::FantasyFamily);
break;
case CSS_VAL_MONOSPACE:
face = settings->fixedFontFamily();
fontDescription.setGenericFamily(FontDescription::MonospaceFamily);
break;
}
}
if (!face.isEmpty()) {
if (!currFamily) {
// Filling in the first family.
firstFamily.setFamily(face);
currFamily = &firstFamily;
}
else {
FontFamily *newFamily = new FontFamily;
newFamily->setFamily(face);
currFamily->appendFamily(newFamily);
currFamily = newFamily;
}
if (fontDescription.keywordSize() && (fontDescription.genericFamily() == FontDescription::MonospaceFamily) != oldFamilyIsMonospace)
setFontSize(fontDescription, fontSizeForKeyword(CSS_VAL_XX_SMALL + fontDescription.keywordSize() - 1, style->htmlHacks(), !oldFamilyIsMonospace));
if (style->setFontDescription(fontDescription))
fontDirty = true;
}
}
return;
}
case CSS_PROP_TEXT_DECORATION: {
// list of ident
HANDLE_INHERIT_AND_INITIAL(textDecoration, TextDecoration)
int t = RenderStyle::initialTextDecoration();
if(primitiveValue && primitiveValue->getIdent() == CSS_VAL_NONE) {
// do nothing
} else {
if(!value->isValueList()) return;
CSSValueList *list = static_cast<CSSValueList*>(value);
int len = list->length();
for(int i = 0; i < len; i++)
{
CSSValue *item = list->item(i);
if(!item->isPrimitiveValue()) continue;
primitiveValue = static_cast<CSSPrimitiveValue*>(item);
switch(primitiveValue->getIdent())
{
case CSS_VAL_NONE:
t = TDNONE; break;
case CSS_VAL_UNDERLINE:
t |= UNDERLINE; break;
case CSS_VAL_OVERLINE:
t |= OVERLINE; break;
case CSS_VAL_LINE_THROUGH:
t |= LINE_THROUGH; break;
case CSS_VAL_BLINK:
t |= BLINK; break;
default:
return;
}
}
}
style->setTextDecoration(t);
return;
}
// shorthand properties
case CSS_PROP_BACKGROUND:
if (isInitial) {
style->clearBackgroundLayers();
style->setBackgroundColor(Color());
return;
}
else if (isInherit) {
style->inheritBackgroundLayers(*parentStyle->backgroundLayers());
style->setBackgroundColor(parentStyle->backgroundColor());
}
return;
case CSS_PROP_BORDER:
case CSS_PROP_BORDER_STYLE:
case CSS_PROP_BORDER_WIDTH:
case CSS_PROP_BORDER_COLOR:
if (id == CSS_PROP_BORDER || id == CSS_PROP_BORDER_COLOR)
{
if (isInherit) {
style->setBorderTopColor(parentStyle->borderTopColor());
style->setBorderBottomColor(parentStyle->borderBottomColor());
style->setBorderLeftColor(parentStyle->borderLeftColor());
style->setBorderRightColor(parentStyle->borderRightColor());
}
else if (isInitial) {
style->setBorderTopColor(Color()); // Reset to invalid color so currentColor is used instead.
style->setBorderBottomColor(Color());
style->setBorderLeftColor(Color());
style->setBorderRightColor(Color());
}
}
if (id == CSS_PROP_BORDER || id == CSS_PROP_BORDER_STYLE)
{
if (isInherit) {
style->setBorderTopStyle(parentStyle->borderTopStyle());
style->setBorderBottomStyle(parentStyle->borderBottomStyle());
style->setBorderLeftStyle(parentStyle->borderLeftStyle());
style->setBorderRightStyle(parentStyle->borderRightStyle());
}
else if (isInitial) {
style->setBorderTopStyle(RenderStyle::initialBorderStyle());
style->setBorderBottomStyle(RenderStyle::initialBorderStyle());
style->setBorderLeftStyle(RenderStyle::initialBorderStyle());
style->setBorderRightStyle(RenderStyle::initialBorderStyle());
}
}
if (id == CSS_PROP_BORDER || id == CSS_PROP_BORDER_WIDTH)
{
if (isInherit) {
style->setBorderTopWidth(parentStyle->borderTopWidth());
style->setBorderBottomWidth(parentStyle->borderBottomWidth());
style->setBorderLeftWidth(parentStyle->borderLeftWidth());
style->setBorderRightWidth(parentStyle->borderRightWidth());
}
else if (isInitial) {
style->setBorderTopWidth(RenderStyle::initialBorderWidth());
style->setBorderBottomWidth(RenderStyle::initialBorderWidth());
style->setBorderLeftWidth(RenderStyle::initialBorderWidth());
style->setBorderRightWidth(RenderStyle::initialBorderWidth());
}
}
return;
case CSS_PROP_BORDER_TOP:
if (isInherit) {
style->setBorderTopColor(parentStyle->borderTopColor());
style->setBorderTopStyle(parentStyle->borderTopStyle());
style->setBorderTopWidth(parentStyle->borderTopWidth());
}
else if (isInitial)
style->resetBorderTop();
return;
case CSS_PROP_BORDER_RIGHT:
if (isInherit) {
style->setBorderRightColor(parentStyle->borderRightColor());
style->setBorderRightStyle(parentStyle->borderRightStyle());
style->setBorderRightWidth(parentStyle->borderRightWidth());
}
else if (isInitial)
style->resetBorderRight();
return;
case CSS_PROP_BORDER_BOTTOM:
if (isInherit) {
style->setBorderBottomColor(parentStyle->borderBottomColor());
style->setBorderBottomStyle(parentStyle->borderBottomStyle());
style->setBorderBottomWidth(parentStyle->borderBottomWidth());
}
else if (isInitial)
style->resetBorderBottom();
return;
case CSS_PROP_BORDER_LEFT:
if (isInherit) {
style->setBorderLeftColor(parentStyle->borderLeftColor());
style->setBorderLeftStyle(parentStyle->borderLeftStyle());
style->setBorderLeftWidth(parentStyle->borderLeftWidth());
}
else if (isInitial)
style->resetBorderLeft();
return;
case CSS_PROP_MARGIN:
if (isInherit) {
style->setMarginTop(parentStyle->marginTop());
style->setMarginBottom(parentStyle->marginBottom());
style->setMarginLeft(parentStyle->marginLeft());
style->setMarginRight(parentStyle->marginRight());
}
else if (isInitial)
style->resetMargin();
return;
case CSS_PROP_PADDING:
if (isInherit) {
style->setPaddingTop(parentStyle->paddingTop());
style->setPaddingBottom(parentStyle->paddingBottom());
style->setPaddingLeft(parentStyle->paddingLeft());
style->setPaddingRight(parentStyle->paddingRight());
}
else if (isInitial)
style->resetPadding();
return;
case CSS_PROP_FONT:
if (isInherit) {
FontDescription fontDescription = parentStyle->fontDescription();
style->setLineHeight(parentStyle->lineHeight());
m_lineHeightValue = 0;
if (style->setFontDescription(fontDescription))
fontDirty = true;
} else if (isInitial) {
FontDescription fontDescription;
fontDescription.setGenericFamily(FontDescription::StandardFamily);
style->setLineHeight(RenderStyle::initialLineHeight());
m_lineHeightValue = 0;
if (style->setFontDescription(fontDescription))
fontDirty = true;
} else if (primitiveValue) {
style->setLineHeight(RenderStyle::initialLineHeight());
m_lineHeightValue = 0;
FontDescription fontDescription;
theme()->systemFont(primitiveValue->getIdent(), fontDescription);
// Double-check and see if the theme did anything. If not, don't bother updating the font.
if (fontDescription.isAbsoluteSize()) {
// Handle the zoom factor.
fontDescription.setComputedSize(getComputedSizeFromSpecifiedSize(fontDescription.isAbsoluteSize(), fontDescription.specifiedSize()));
if (style->setFontDescription(fontDescription))
fontDirty = true;
}
} else if (value->isFontValue()) {
FontValue *font = static_cast<FontValue*>(value);
if (!font->style || !font->variant || !font->weight ||
!font->size || !font->lineHeight || !font->family)
return;
applyProperty(CSS_PROP_FONT_STYLE, font->style.get());
applyProperty(CSS_PROP_FONT_VARIANT, font->variant.get());
applyProperty(CSS_PROP_FONT_WEIGHT, font->weight.get());
applyProperty(CSS_PROP_FONT_SIZE, font->size.get());
m_lineHeightValue = font->lineHeight.get();
applyProperty(CSS_PROP_FONT_FAMILY, font->family.get());
}
return;
case CSS_PROP_LIST_STYLE:
if (isInherit) {
style->setListStyleType(parentStyle->listStyleType());
style->setListStyleImage(parentStyle->listStyleImage());
style->setListStylePosition(parentStyle->listStylePosition());
}
else if (isInitial) {
style->setListStyleType(RenderStyle::initialListStyleType());
style->setListStyleImage(RenderStyle::initialListStyleImage());
style->setListStylePosition(RenderStyle::initialListStylePosition());
}
return;
case CSS_PROP_OUTLINE:
if (isInherit) {
style->setOutlineWidth(parentStyle->outlineWidth());
style->setOutlineColor(parentStyle->outlineColor());
style->setOutlineStyle(parentStyle->outlineStyle());
}
else if (isInitial)
style->resetOutline();
return;
// CSS3 Properties
case CSS_PROP__WEBKIT_APPEARANCE: {
HANDLE_INHERIT_AND_INITIAL(appearance, Appearance)
if (!primitiveValue) break;
int id = primitiveValue->getIdent();
EAppearance appearance;
if (id == CSS_VAL_NONE)
appearance = NoAppearance;
else
appearance = EAppearance(id - CSS_VAL_CHECKBOX + 1);
style->setAppearance(appearance);
return;
}
case CSS_PROP__WEBKIT_BINDING: {
#if ENABLE(XBL)
if (isInitial || (primitiveValue && primitiveValue->getIdent() == CSS_VAL_NONE)) {
style->deleteBindingURIs();
return;
}
else if (isInherit) {
if (parentStyle->bindingURIs())
style->inheritBindingURIs(parentStyle->bindingURIs());
else
style->deleteBindingURIs();
return;
}
if (!value->isValueList()) return;
CSSValueList* list = static_cast<CSSValueList*>(value);
bool firstBinding = true;
for (unsigned int i = 0; i < list->length(); i++) {
CSSValue *item = list->item(i);
CSSPrimitiveValue *val = static_cast<CSSPrimitiveValue*>(item);
if (val->primitiveType() == CSSPrimitiveValue::CSS_URI) {
if (firstBinding) {
firstBinding = false;
style->deleteBindingURIs();
}
style->addBindingURI(val->getStringValue());
}
}
#endif
return;
}
case CSS_PROP__WEBKIT_BORDER_IMAGE: {
HANDLE_INHERIT_AND_INITIAL(borderImage, BorderImage)
BorderImage image;
if (primitiveValue) {
if (primitiveValue->getIdent() == CSS_VAL_NONE)
style->setBorderImage(image);
} else {
// Retrieve the border image value.
CSSBorderImageValue* borderImage = static_cast<CSSBorderImageValue*>(value);
// Set the image (this kicks off the load).
image.m_image = borderImage->m_image->image(element->document()->docLoader());
// Set up a length box to represent our image slices.
LengthBox& l = image.m_slices;
Rect* r = borderImage->m_imageSliceRect.get();
if (r->top()->primitiveType() == CSSPrimitiveValue::CSS_PERCENTAGE)
l.top = Length(r->top()->getDoubleValue(), Percent);
else
l.top = Length(r->top()->getIntValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
if (r->bottom()->primitiveType() == CSSPrimitiveValue::CSS_PERCENTAGE)
l.bottom = Length(r->bottom()->getDoubleValue(), Percent);
else
l.bottom = Length((int)r->bottom()->getFloatValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
if (r->left()->primitiveType() == CSSPrimitiveValue::CSS_PERCENTAGE)
l.left = Length(r->left()->getDoubleValue(), Percent);
else
l.left = Length(r->left()->getIntValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
if (r->right()->primitiveType() == CSSPrimitiveValue::CSS_PERCENTAGE)
l.right = Length(r->right()->getDoubleValue(), Percent);
else
l.right = Length(r->right()->getIntValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
// Set the appropriate rules for stretch/round/repeat of the slices
switch (borderImage->m_horizontalSizeRule) {
case CSS_VAL_STRETCH:
image.m_horizontalRule = BI_STRETCH;
break;
case CSS_VAL_ROUND:
image.m_horizontalRule = BI_ROUND;
break;
default: // CSS_VAL_REPEAT
image.m_horizontalRule = BI_REPEAT;
break;
}
switch (borderImage->m_verticalSizeRule) {
case CSS_VAL_STRETCH:
image.m_verticalRule = BI_STRETCH;
break;
case CSS_VAL_ROUND:
image.m_verticalRule = BI_ROUND;
break;
default: // CSS_VAL_REPEAT
image.m_verticalRule = BI_REPEAT;
break;
}
style->setBorderImage(image);
}
return;
}
case CSS_PROP__WEBKIT_BORDER_RADIUS:
if (isInherit) {
style->setBorderTopLeftRadius(parentStyle->borderTopLeftRadius());
style->setBorderTopRightRadius(parentStyle->borderTopRightRadius());
style->setBorderBottomLeftRadius(parentStyle->borderBottomLeftRadius());
style->setBorderBottomRightRadius(parentStyle->borderBottomRightRadius());
return;
}
if (isInitial) {
style->resetBorderRadius();
return;
}
// Fall through
case CSS_PROP__WEBKIT_BORDER_TOP_LEFT_RADIUS:
case CSS_PROP__WEBKIT_BORDER_TOP_RIGHT_RADIUS:
case CSS_PROP__WEBKIT_BORDER_BOTTOM_LEFT_RADIUS:
case CSS_PROP__WEBKIT_BORDER_BOTTOM_RIGHT_RADIUS: {
if (isInherit) {
HANDLE_INHERIT_COND(CSS_PROP__WEBKIT_BORDER_TOP_LEFT_RADIUS, borderTopLeftRadius, BorderTopLeftRadius)
HANDLE_INHERIT_COND(CSS_PROP__WEBKIT_BORDER_TOP_RIGHT_RADIUS, borderTopRightRadius, BorderTopRightRadius)
HANDLE_INHERIT_COND(CSS_PROP__WEBKIT_BORDER_BOTTOM_LEFT_RADIUS, borderBottomLeftRadius, BorderBottomLeftRadius)
HANDLE_INHERIT_COND(CSS_PROP__WEBKIT_BORDER_BOTTOM_RIGHT_RADIUS, borderBottomRightRadius, BorderBottomRightRadius)
return;
}
if (isInitial) {
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP__WEBKIT_BORDER_TOP_LEFT_RADIUS, BorderTopLeftRadius, BorderRadius)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP__WEBKIT_BORDER_TOP_RIGHT_RADIUS, BorderTopRightRadius, BorderRadius)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP__WEBKIT_BORDER_BOTTOM_LEFT_RADIUS, BorderBottomLeftRadius, BorderRadius)
HANDLE_INITIAL_COND_WITH_VALUE(CSS_PROP__WEBKIT_BORDER_BOTTOM_RIGHT_RADIUS, BorderBottomRightRadius, BorderRadius)
return;
}
if (!primitiveValue)
return;
Pair* pair = primitiveValue->getPairValue();
if (!pair)
return;
int width = pair->first()->computeLengthInt(style);
int height = pair->second()->computeLengthInt(style);
if (width < 0 || height < 0)
return;
if (width == 0)
height = 0; // Null out the other value.
else if (height == 0)
width = 0; // Null out the other value.
IntSize size(width, height);
switch (id) {
case CSS_PROP__WEBKIT_BORDER_TOP_LEFT_RADIUS:
style->setBorderTopLeftRadius(size);
break;
case CSS_PROP__WEBKIT_BORDER_TOP_RIGHT_RADIUS:
style->setBorderTopRightRadius(size);
break;
case CSS_PROP__WEBKIT_BORDER_BOTTOM_LEFT_RADIUS:
style->setBorderBottomLeftRadius(size);
break;
case CSS_PROP__WEBKIT_BORDER_BOTTOM_RIGHT_RADIUS:
style->setBorderBottomRightRadius(size);
break;
default:
style->setBorderRadius(size);
break;
}
return;
}
case CSS_PROP_OUTLINE_OFFSET:
HANDLE_INHERIT_AND_INITIAL(outlineOffset, OutlineOffset)
style->setOutlineOffset(primitiveValue->computeLengthInt(style));
return;
case CSS_PROP_TEXT_SHADOW:
case CSS_PROP__WEBKIT_BOX_SHADOW: {
if (isInherit) {
if (id == CSS_PROP_TEXT_SHADOW)
return style->setTextShadow(parentStyle->textShadow() ? new ShadowData(*parentStyle->textShadow()) : 0);
return style->setBoxShadow(parentStyle->boxShadow() ? new ShadowData(*parentStyle->boxShadow()) : 0);
}
if (isInitial || primitiveValue) // initial | none
return id == CSS_PROP_TEXT_SHADOW ? style->setTextShadow(0) : style->setBoxShadow(0);
if (!value->isValueList())
return;
CSSValueList *list = static_cast<CSSValueList*>(value);
int len = list->length();
for (int i = 0; i < len; i++) {
ShadowValue* item = static_cast<ShadowValue*>(list->item(i));
int x = item->x->computeLengthInt(style);
int y = item->y->computeLengthInt(style);
int blur = item->blur ? item->blur->computeLengthInt(style) : 0;
Color color;
if (item->color)
color = getColorFromPrimitiveValue(item->color.get());
ShadowData* shadowData = new ShadowData(x, y, blur, color.isValid() ? color : Color::transparent);
if (id == CSS_PROP_TEXT_SHADOW)
style->setTextShadow(shadowData, i != 0);
else
style->setBoxShadow(shadowData, i != 0);
}
return;
}
case CSS_PROP_OPACITY:
HANDLE_INHERIT_AND_INITIAL(opacity, Opacity)
if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return; // Error case.
// Clamp opacity to the range 0-1
style->setOpacity(min(1.0f, max(0.0f, primitiveValue->getFloatValue())));
return;
case CSS_PROP__WEBKIT_BOX_ALIGN:
HANDLE_INHERIT_AND_INITIAL(boxAlign, BoxAlign)
if (!primitiveValue) return;
switch (primitiveValue->getIdent()) {
case CSS_VAL_STRETCH:
style->setBoxAlign(BSTRETCH);
break;
case CSS_VAL_START:
style->setBoxAlign(BSTART);
break;
case CSS_VAL_END:
style->setBoxAlign(BEND);
break;
case CSS_VAL_CENTER:
style->setBoxAlign(BCENTER);
break;
case CSS_VAL_BASELINE:
style->setBoxAlign(BBASELINE);
break;
default:
return;
}
return;
case CSS_PROP__WEBKIT_BOX_DIRECTION:
HANDLE_INHERIT_AND_INITIAL(boxDirection, BoxDirection)
if (!primitiveValue) return;
if (primitiveValue->getIdent() == CSS_VAL_NORMAL)
style->setBoxDirection(BNORMAL);
else
style->setBoxDirection(BREVERSE);
return;
case CSS_PROP__WEBKIT_BOX_LINES:
HANDLE_INHERIT_AND_INITIAL(boxLines, BoxLines)
if(!primitiveValue) return;
if (primitiveValue->getIdent() == CSS_VAL_SINGLE)
style->setBoxLines(SINGLE);
else
style->setBoxLines(MULTIPLE);
return;
case CSS_PROP__WEBKIT_BOX_ORIENT:
HANDLE_INHERIT_AND_INITIAL(boxOrient, BoxOrient)
if (!primitiveValue) return;
if (primitiveValue->getIdent() == CSS_VAL_HORIZONTAL ||
primitiveValue->getIdent() == CSS_VAL_INLINE_AXIS)
style->setBoxOrient(HORIZONTAL);
else
style->setBoxOrient(VERTICAL);
return;
case CSS_PROP__WEBKIT_BOX_PACK:
HANDLE_INHERIT_AND_INITIAL(boxPack, BoxPack)
if (!primitiveValue) return;
switch (primitiveValue->getIdent()) {
case CSS_VAL_START:
style->setBoxPack(BSTART);
break;
case CSS_VAL_END:
style->setBoxPack(BEND);
break;
case CSS_VAL_CENTER:
style->setBoxPack(BCENTER);
break;
case CSS_VAL_JUSTIFY:
style->setBoxPack(BJUSTIFY);
break;
default:
return;
}
return;
case CSS_PROP__WEBKIT_BOX_FLEX:
HANDLE_INHERIT_AND_INITIAL(boxFlex, BoxFlex)
if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return; // Error case.
style->setBoxFlex(primitiveValue->getFloatValue());
return;
case CSS_PROP__WEBKIT_BOX_FLEX_GROUP:
HANDLE_INHERIT_AND_INITIAL(boxFlexGroup, BoxFlexGroup)
if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return; // Error case.
style->setBoxFlexGroup((unsigned int)(primitiveValue->getDoubleValue()));
return;
case CSS_PROP__WEBKIT_BOX_ORDINAL_GROUP:
HANDLE_INHERIT_AND_INITIAL(boxOrdinalGroup, BoxOrdinalGroup)
if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return; // Error case.
style->setBoxOrdinalGroup((unsigned int)(primitiveValue->getDoubleValue()));
return;
case CSS_PROP__WEBKIT_BOX_SIZING:
HANDLE_INHERIT_AND_INITIAL(boxSizing, BoxSizing)
if (!primitiveValue) return;
if (primitiveValue->getIdent() == CSS_VAL_CONTENT_BOX)
style->setBoxSizing(CONTENT_BOX);
else
style->setBoxSizing(BORDER_BOX);
return;
case CSS_PROP__WEBKIT_COLUMN_COUNT: {
if (isInherit) {
if (parentStyle->hasAutoColumnCount())
style->setHasAutoColumnCount();
else
style->setColumnCount(parentStyle->columnCount());
return;
} else if (isInitial || primitiveValue->getIdent() == CSS_VAL_AUTO) {
style->setHasAutoColumnCount();
return;
}
style->setColumnCount(static_cast<unsigned short>(primitiveValue->getDoubleValue()));
return;
}
case CSS_PROP__WEBKIT_COLUMN_GAP: {
if (isInherit) {
if (parentStyle->hasNormalColumnGap())
style->setHasNormalColumnGap();
else
style->setColumnGap(parentStyle->columnGap());
return;
} else if (isInitial || primitiveValue->getIdent() == CSS_VAL_NORMAL) {
style->setHasNormalColumnGap();
return;
}
style->setColumnGap(primitiveValue->computeLengthFloat(style));
return;
}
case CSS_PROP__WEBKIT_COLUMN_WIDTH: {
if (isInherit) {
if (parentStyle->hasAutoColumnWidth())
style->setHasAutoColumnWidth();
else
style->setColumnWidth(parentStyle->columnWidth());
return;
} else if (isInitial || primitiveValue->getIdent() == CSS_VAL_AUTO) {
style->setHasAutoColumnWidth();
return;
}
style->setColumnWidth(primitiveValue->computeLengthFloat(style));
return;
}
case CSS_PROP__WEBKIT_COLUMN_RULE_STYLE:
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(columnRuleStyle, ColumnRuleStyle, BorderStyle)
style->setColumnRuleStyle((EBorderStyle)(primitiveValue->getIdent() - CSS_VAL_NONE));
return;
case CSS_PROP__WEBKIT_COLUMN_BREAK_BEFORE: {
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(columnBreakBefore, ColumnBreakBefore, PageBreak)
switch (primitiveValue->getIdent()) {
case CSS_VAL_AUTO:
style->setColumnBreakBefore(PBAUTO);
break;
case CSS_VAL_LEFT:
case CSS_VAL_RIGHT:
case CSS_VAL_ALWAYS:
style->setColumnBreakBefore(PBALWAYS);
break;
case CSS_VAL_AVOID:
style->setColumnBreakBefore(PBAVOID);
break;
}
return;
}
case CSS_PROP__WEBKIT_COLUMN_BREAK_AFTER: {
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(columnBreakAfter, ColumnBreakAfter, PageBreak)
switch (primitiveValue->getIdent()) {
case CSS_VAL_AUTO:
style->setColumnBreakAfter(PBAUTO);
break;
case CSS_VAL_LEFT:
case CSS_VAL_RIGHT:
case CSS_VAL_ALWAYS:
style->setColumnBreakAfter(PBALWAYS);
break;
case CSS_VAL_AVOID:
style->setColumnBreakAfter(PBAVOID);
break;
}
return;
}
case CSS_PROP__WEBKIT_COLUMN_BREAK_INSIDE: {
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(columnBreakInside, ColumnBreakInside, PageBreak)
if (primitiveValue->getIdent() == CSS_VAL_AUTO)
style->setColumnBreakInside(PBAUTO);
else if (primitiveValue->getIdent() == CSS_VAL_AVOID)
style->setColumnBreakInside(PBAVOID);
return;
}
case CSS_PROP__WEBKIT_COLUMN_RULE:
if (isInherit) {
style->setColumnRuleColor(parentStyle->columnRuleColor());
style->setColumnRuleStyle(parentStyle->columnRuleStyle());
style->setColumnRuleWidth(parentStyle->columnRuleWidth());
}
else if (isInitial)
style->resetColumnRule();
return;
case CSS_PROP__WEBKIT_COLUMNS:
if (isInherit) {
if (parentStyle->hasAutoColumnWidth())
style->setHasAutoColumnWidth();
else
style->setColumnWidth(parentStyle->columnWidth());
style->setColumnCount(parentStyle->columnCount());
} else if (isInitial) {
style->setHasAutoColumnWidth();
style->setColumnCount(RenderStyle::initialColumnCount());
}
return;
case CSS_PROP__WEBKIT_MARQUEE:
if (valueType != CSSValue::CSS_INHERIT || !parentNode) return;
style->setMarqueeDirection(parentStyle->marqueeDirection());
style->setMarqueeIncrement(parentStyle->marqueeIncrement());
style->setMarqueeSpeed(parentStyle->marqueeSpeed());
style->setMarqueeLoopCount(parentStyle->marqueeLoopCount());
style->setMarqueeBehavior(parentStyle->marqueeBehavior());
return;
case CSS_PROP__WEBKIT_MARQUEE_REPETITION: {
HANDLE_INHERIT_AND_INITIAL(marqueeLoopCount, MarqueeLoopCount)
if (!primitiveValue) return;
if (primitiveValue->getIdent() == CSS_VAL_INFINITE)
style->setMarqueeLoopCount(-1); // -1 means repeat forever.
else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_NUMBER)
style->setMarqueeLoopCount(primitiveValue->getIntValue());
return;
}
case CSS_PROP__WEBKIT_MARQUEE_SPEED: {
HANDLE_INHERIT_AND_INITIAL(marqueeSpeed, MarqueeSpeed)
if (!primitiveValue) return;
if (primitiveValue->getIdent()) {
switch (primitiveValue->getIdent())
{
case CSS_VAL_SLOW:
style->setMarqueeSpeed(500); // 500 msec.
break;
case CSS_VAL_NORMAL:
style->setMarqueeSpeed(85); // 85msec. The WinIE default.
break;
case CSS_VAL_FAST:
style->setMarqueeSpeed(10); // 10msec. Super fast.
break;
}
}
else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_S)
style->setMarqueeSpeed(1000 * primitiveValue->getIntValue());
else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_MS)
style->setMarqueeSpeed(primitiveValue->getIntValue());
else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_NUMBER) // For scrollamount support.
style->setMarqueeSpeed(primitiveValue->getIntValue());
return;
}
case CSS_PROP__WEBKIT_MARQUEE_INCREMENT: {
HANDLE_INHERIT_AND_INITIAL(marqueeIncrement, MarqueeIncrement)
if (!primitiveValue) return;
if (primitiveValue->getIdent()) {
switch (primitiveValue->getIdent())
{
case CSS_VAL_SMALL:
style->setMarqueeIncrement(Length(1, Fixed)); // 1px.
break;
case CSS_VAL_NORMAL:
style->setMarqueeIncrement(Length(6, Fixed)); // 6px. The WinIE default.
break;
case CSS_VAL_LARGE:
style->setMarqueeIncrement(Length(36, Fixed)); // 36px.
break;
}
}
else {
bool ok = true;
Length l = convertToLength(primitiveValue, style, &ok);
if (ok)
style->setMarqueeIncrement(l);
}
return;
}
case CSS_PROP__WEBKIT_MARQUEE_STYLE: {
HANDLE_INHERIT_AND_INITIAL(marqueeBehavior, MarqueeBehavior)
if (!primitiveValue || !primitiveValue->getIdent()) return;
switch (primitiveValue->getIdent())
{
case CSS_VAL_NONE:
style->setMarqueeBehavior(MNONE);
break;
case CSS_VAL_SCROLL:
style->setMarqueeBehavior(MSCROLL);
break;
case CSS_VAL_SLIDE:
style->setMarqueeBehavior(MSLIDE);
break;
case CSS_VAL_ALTERNATE:
style->setMarqueeBehavior(MALTERNATE);
break;
}
return;
}
case CSS_PROP__WEBKIT_MARQUEE_DIRECTION: {
HANDLE_INHERIT_AND_INITIAL(marqueeDirection, MarqueeDirection)
if (!primitiveValue || !primitiveValue->getIdent()) return;
switch (primitiveValue->getIdent())
{
case CSS_VAL_FORWARDS:
style->setMarqueeDirection(MFORWARD);
break;
case CSS_VAL_BACKWARDS:
style->setMarqueeDirection(MBACKWARD);
break;
case CSS_VAL_AUTO:
style->setMarqueeDirection(MAUTO);
break;
case CSS_VAL_AHEAD:
case CSS_VAL_UP: // We don't support vertical languages, so AHEAD just maps to UP.
style->setMarqueeDirection(MUP);
break;
case CSS_VAL_REVERSE:
case CSS_VAL_DOWN: // REVERSE just maps to DOWN, since we don't do vertical text.
style->setMarqueeDirection(MDOWN);
break;
case CSS_VAL_LEFT:
style->setMarqueeDirection(MLEFT);
break;
case CSS_VAL_RIGHT:
style->setMarqueeDirection(MRIGHT);
break;
}
return;
}
case CSS_PROP__WEBKIT_USER_DRAG: {
HANDLE_INHERIT_AND_INITIAL(userDrag, UserDrag)
if (!primitiveValue || !primitiveValue->getIdent())
return;
switch (primitiveValue->getIdent()) {
case CSS_VAL_AUTO:
style->setUserDrag(DRAG_AUTO);
break;
case CSS_VAL_NONE:
style->setUserDrag(DRAG_NONE);
break;
case CSS_VAL_ELEMENT:
style->setUserDrag(DRAG_ELEMENT);
default:
return;
}
return;
}
case CSS_PROP__WEBKIT_USER_MODIFY: {
HANDLE_INHERIT_AND_INITIAL(userModify, UserModify)
if (!primitiveValue || !primitiveValue->getIdent())
return;
EUserModify userModify = EUserModify(primitiveValue->getIdent() - CSS_VAL_READ_ONLY);
style->setUserModify(userModify);
return;
}
case CSS_PROP__WEBKIT_USER_SELECT: {
HANDLE_INHERIT_AND_INITIAL(userSelect, UserSelect)
if (!primitiveValue || !primitiveValue->getIdent())
return;
switch (primitiveValue->getIdent()) {
case CSS_VAL_AUTO:
style->setUserSelect(SELECT_TEXT);
break;
case CSS_VAL_NONE:
style->setUserSelect(SELECT_NONE);
break;
case CSS_VAL_TEXT:
style->setUserSelect(SELECT_TEXT);
default:
return;
}
return;
}
case CSS_PROP_TEXT_OVERFLOW: {
// This property is supported by WinIE, and so we leave off the "-webkit-" in order to
// work with WinIE-specific pages that use the property.
HANDLE_INHERIT_AND_INITIAL(textOverflow, TextOverflow)
if (!primitiveValue || !primitiveValue->getIdent())
return;
style->setTextOverflow(primitiveValue->getIdent() == CSS_VAL_ELLIPSIS);
return;
}
case CSS_PROP__WEBKIT_MARGIN_COLLAPSE: {
if (isInherit) {
style->setMarginTopCollapse(parentStyle->marginTopCollapse());
style->setMarginBottomCollapse(parentStyle->marginBottomCollapse());
}
else if (isInitial) {
style->setMarginTopCollapse(MCOLLAPSE);
style->setMarginBottomCollapse(MCOLLAPSE);
}
return;
}
case CSS_PROP__WEBKIT_MARGIN_TOP_COLLAPSE: {
HANDLE_INHERIT_AND_INITIAL(marginTopCollapse, MarginTopCollapse)
if (!primitiveValue || !primitiveValue->getIdent()) return;
EMarginCollapse val;
switch (primitiveValue->getIdent()) {
case CSS_VAL_SEPARATE:
val = MSEPARATE;
break;
case CSS_VAL_DISCARD:
val = MDISCARD;
break;
default:
val = MCOLLAPSE;
}
style->setMarginTopCollapse(val);
return;
}
case CSS_PROP__WEBKIT_MARGIN_BOTTOM_COLLAPSE: {
HANDLE_INHERIT_AND_INITIAL(marginBottomCollapse, MarginBottomCollapse)
if (!primitiveValue || !primitiveValue->getIdent()) return;
EMarginCollapse val;
switch (primitiveValue->getIdent()) {
case CSS_VAL_SEPARATE:
val = MSEPARATE;
break;
case CSS_VAL_DISCARD:
val = MDISCARD;
break;
default:
val = MCOLLAPSE;
}
style->setMarginBottomCollapse(val);
return;
}
// Apple-specific changes. Do not merge these properties into KHTML.
case CSS_PROP__WEBKIT_LINE_CLAMP: {
HANDLE_INHERIT_AND_INITIAL(lineClamp, LineClamp)
if (!primitiveValue) return;
style->setLineClamp(primitiveValue->getIntValue(CSSPrimitiveValue::CSS_PERCENTAGE));
return;
}
case CSS_PROP__WEBKIT_HIGHLIGHT: {
HANDLE_INHERIT_AND_INITIAL(highlight, Highlight);
if (primitiveValue->getIdent() == CSS_VAL_NONE)
style->setHighlight(nullAtom);
else
style->setHighlight(primitiveValue->getStringValue());
return;
}
case CSS_PROP__WEBKIT_BORDER_FIT: {
HANDLE_INHERIT_AND_INITIAL(borderFit, BorderFit);
if (primitiveValue->getIdent() == CSS_VAL_BORDER)
style->setBorderFit(BorderFitBorder);
else
style->setBorderFit(BorderFitLines);
return;
}
case CSS_PROP__WEBKIT_TEXT_SIZE_ADJUST: {
HANDLE_INHERIT_AND_INITIAL(textSizeAdjust, TextSizeAdjust)
if (!primitiveValue || !primitiveValue->getIdent()) return;
style->setTextSizeAdjust(primitiveValue->getIdent() == CSS_VAL_AUTO);
fontDirty = true;
return;
}
case CSS_PROP__WEBKIT_TEXT_SECURITY: {
HANDLE_INHERIT_AND_INITIAL(textSecurity, TextSecurity)
if (!primitiveValue)
return;
ETextSecurity textSecurity = TSNONE;
switch (primitiveValue->getIdent()) {
case CSS_VAL_DISC:
textSecurity = TSDISC;
break;
case CSS_VAL_CIRCLE:
textSecurity = TSCIRCLE;
break;
case CSS_VAL_SQUARE:
textSecurity= TSSQUARE;
break;
}
style->setTextSecurity(textSecurity);
return;
}
case CSS_PROP__WEBKIT_DASHBOARD_REGION: {
HANDLE_INHERIT_AND_INITIAL(dashboardRegions, DashboardRegions)
if (!primitiveValue)
return;
if(primitiveValue->getIdent() == CSS_VAL_NONE) {
style->setDashboardRegions(RenderStyle::noneDashboardRegions());
return;
}
DashboardRegion *region = primitiveValue->getDashboardRegionValue();
if (!region)
return;
DashboardRegion *first = region;
while (region) {
Length top = convertToLength (region->top(), style);
Length right = convertToLength (region->right(), style);
Length bottom = convertToLength (region->bottom(), style);
Length left = convertToLength (region->left(), style);
if (region->m_isCircle)
style->setDashboardRegion(StyleDashboardRegion::Circle, region->m_label, top, right, bottom, left, region == first ? false : true);
else if (region->m_isRectangle)
style->setDashboardRegion(StyleDashboardRegion::Rectangle, region->m_label, top, right, bottom, left, region == first ? false : true);
region = region->m_next.get();
}
element->document()->setHasDashboardRegions(true);
return;
}
case CSS_PROP__WEBKIT_RTL_ORDERING:
HANDLE_INHERIT_AND_INITIAL(visuallyOrdered, VisuallyOrdered)
if (!primitiveValue || !primitiveValue->getIdent())
return;
style->setVisuallyOrdered(primitiveValue->getIdent() == CSS_VAL_VISUAL);
return;
case CSS_PROP__WEBKIT_TEXT_STROKE_WIDTH: {
HANDLE_INHERIT_AND_INITIAL(textStrokeWidth, TextStrokeWidth)
float width = 0;
switch (primitiveValue->getIdent()) {
case CSS_VAL_THIN:
case CSS_VAL_MEDIUM:
case CSS_VAL_THICK: {
double result = 1.0 / 48;
if (primitiveValue->getIdent() == CSS_VAL_MEDIUM)
result *= 3;
else if (primitiveValue->getIdent() == CSS_VAL_THICK)
result *= 5;
CSSPrimitiveValue val(result, CSSPrimitiveValue::CSS_EMS);
width = val.computeLengthFloat(style);
break;
}
default:
width = primitiveValue->computeLengthFloat(style);
break;
}
style->setTextStrokeWidth(width);
return;
}
case CSS_PROP_INVALID:
return;
case CSS_PROP_FONT_STRETCH:
case CSS_PROP_PAGE:
case CSS_PROP_QUOTES:
case CSS_PROP_SCROLLBAR_3DLIGHT_COLOR:
case CSS_PROP_SCROLLBAR_ARROW_COLOR:
case CSS_PROP_SCROLLBAR_DARKSHADOW_COLOR:
case CSS_PROP_SCROLLBAR_FACE_COLOR:
case CSS_PROP_SCROLLBAR_HIGHLIGHT_COLOR:
case CSS_PROP_SCROLLBAR_SHADOW_COLOR:
case CSS_PROP_SCROLLBAR_TRACK_COLOR:
case CSS_PROP_SIZE:
case CSS_PROP_TEXT_LINE_THROUGH:
case CSS_PROP_TEXT_LINE_THROUGH_COLOR:
case CSS_PROP_TEXT_LINE_THROUGH_MODE:
case CSS_PROP_TEXT_LINE_THROUGH_STYLE:
case CSS_PROP_TEXT_LINE_THROUGH_WIDTH:
case CSS_PROP_TEXT_OVERLINE:
case CSS_PROP_TEXT_OVERLINE_COLOR:
case CSS_PROP_TEXT_OVERLINE_MODE:
case CSS_PROP_TEXT_OVERLINE_STYLE:
case CSS_PROP_TEXT_OVERLINE_WIDTH:
case CSS_PROP_TEXT_UNDERLINE:
case CSS_PROP_TEXT_UNDERLINE_COLOR:
case CSS_PROP_TEXT_UNDERLINE_MODE:
case CSS_PROP_TEXT_UNDERLINE_STYLE:
case CSS_PROP_TEXT_UNDERLINE_WIDTH:
case CSS_PROP__WEBKIT_FONT_SIZE_DELTA:
case CSS_PROP__WEBKIT_MARGIN_START:
case CSS_PROP__WEBKIT_PADDING_START:
case CSS_PROP__WEBKIT_TEXT_DECORATIONS_IN_EFFECT:
case CSS_PROP__WEBKIT_TEXT_STROKE:
return;
}
#if ENABLE(SVG)
// Try the SVG properties
applySVGProperty(id, value);
#endif
}
void CSSStyleSelector::mapBackgroundAttachment(BackgroundLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setBackgroundAttachment(RenderStyle::initialBackgroundAttachment());
return;
}
if (!value->isPrimitiveValue()) return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
switch (primitiveValue->getIdent()) {
case CSS_VAL_FIXED:
layer->setBackgroundAttachment(false);
break;
case CSS_VAL_SCROLL:
layer->setBackgroundAttachment(true);
break;
default:
return;
}
}
void CSSStyleSelector::mapBackgroundClip(BackgroundLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setBackgroundClip(RenderStyle::initialBackgroundClip());
return;
}
if (!value->isPrimitiveValue()) return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
switch (primitiveValue->getIdent()) {
case CSS_VAL_BORDER:
layer->setBackgroundClip(BGBORDER);
break;
case CSS_VAL_PADDING:
layer->setBackgroundClip(BGPADDING);
break;
default: // CSS_VAL_CONTENT
layer->setBackgroundClip(BGCONTENT);
break;
}
}
void CSSStyleSelector::mapBackgroundComposite(BackgroundLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setBackgroundComposite(RenderStyle::initialBackgroundComposite());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
switch(primitiveValue->getIdent()) {
case CSS_VAL_CLEAR:
layer->setBackgroundComposite(CompositeClear);
break;
case CSS_VAL_COPY:
layer->setBackgroundComposite(CompositeCopy);
break;
case CSS_VAL_SOURCE_OVER:
layer->setBackgroundComposite(CompositeSourceOver);
break;
case CSS_VAL_SOURCE_IN:
layer->setBackgroundComposite(CompositeSourceIn);
break;
case CSS_VAL_SOURCE_OUT:
layer->setBackgroundComposite(CompositeSourceOut);
break;
case CSS_VAL_SOURCE_ATOP:
layer->setBackgroundComposite(CompositeSourceAtop);
break;
case CSS_VAL_DESTINATION_OVER:
layer->setBackgroundComposite(CompositeDestinationOver);
break;
case CSS_VAL_DESTINATION_IN:
layer->setBackgroundComposite(CompositeDestinationIn);
break;
case CSS_VAL_DESTINATION_OUT:
layer->setBackgroundComposite(CompositeDestinationOut);
break;
case CSS_VAL_DESTINATION_ATOP:
layer->setBackgroundComposite(CompositeDestinationAtop);
break;
case CSS_VAL_XOR:
layer->setBackgroundComposite(CompositeXOR);
break;
case CSS_VAL_PLUS_DARKER:
layer->setBackgroundComposite(CompositePlusDarker);
break;
case CSS_VAL_HIGHLIGHT:
layer->setBackgroundComposite(CompositeHighlight);
break;
case CSS_VAL_PLUS_LIGHTER:
layer->setBackgroundComposite(CompositePlusLighter);
break;
default:
return;
}
}
void CSSStyleSelector::mapBackgroundOrigin(BackgroundLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setBackgroundOrigin(RenderStyle::initialBackgroundOrigin());
return;
}
if (!value->isPrimitiveValue()) return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
switch (primitiveValue->getIdent()) {
case CSS_VAL_BORDER:
layer->setBackgroundOrigin(BGBORDER);
break;
case CSS_VAL_PADDING:
layer->setBackgroundOrigin(BGPADDING);
break;
default: // CSS_VAL_CONTENT
layer->setBackgroundOrigin(BGCONTENT);
break;
}
}
void CSSStyleSelector::mapBackgroundImage(BackgroundLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setBackgroundImage(RenderStyle::initialBackgroundImage());
return;
}
if (!value->isPrimitiveValue()) return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
layer->setBackgroundImage(static_cast<CSSImageValue*>(primitiveValue)->image(element->document()->docLoader()));
}
void CSSStyleSelector::mapBackgroundRepeat(BackgroundLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setBackgroundRepeat(RenderStyle::initialBackgroundRepeat());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
switch(primitiveValue->getIdent()) {
case CSS_VAL_REPEAT:
layer->setBackgroundRepeat(REPEAT);
break;
case CSS_VAL_REPEAT_X:
layer->setBackgroundRepeat(REPEAT_X);
break;
case CSS_VAL_REPEAT_Y:
layer->setBackgroundRepeat(REPEAT_Y);
break;
case CSS_VAL_NO_REPEAT:
layer->setBackgroundRepeat(NO_REPEAT);
break;
default:
return;
}
}
void CSSStyleSelector::mapBackgroundSize(BackgroundLayer* layer, CSSValue* value)
{
LengthSize b = RenderStyle::initialBackgroundSize();
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setBackgroundSize(b);
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
Pair* pair = primitiveValue->getPairValue();
if (!pair)
return;
CSSPrimitiveValue* first = static_cast<CSSPrimitiveValue*>(pair->first());
CSSPrimitiveValue* second = static_cast<CSSPrimitiveValue*>(pair->second());
if (!first || !second)
return;
Length firstLength, secondLength;
int firstType = first->primitiveType();
int secondType = second->primitiveType();
if (firstType == CSSPrimitiveValue::CSS_UNKNOWN)
firstLength = Length(Auto);
else if (firstType > CSSPrimitiveValue::CSS_PERCENTAGE && firstType < CSSPrimitiveValue::CSS_DEG)
firstLength = Length(first->computeLengthIntForLength(style), Fixed);
else if (firstType == CSSPrimitiveValue::CSS_PERCENTAGE)
firstLength = Length(first->getDoubleValue(), Percent);
else
return;
if (secondType == CSSPrimitiveValue::CSS_UNKNOWN)
secondLength = Length(Auto);
else if (secondType > CSSPrimitiveValue::CSS_PERCENTAGE && secondType < CSSPrimitiveValue::CSS_DEG)
secondLength = Length(second->computeLengthIntForLength(style), Fixed);
else if (secondType == CSSPrimitiveValue::CSS_PERCENTAGE)
secondLength = Length(second->getDoubleValue(), Percent);
else
return;
b.width = firstLength;
b.height = secondLength;
layer->setBackgroundSize(b);
}
void CSSStyleSelector::mapBackgroundXPosition(BackgroundLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setBackgroundXPosition(RenderStyle::initialBackgroundXPosition());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
Length l;
int type = primitiveValue->primitiveType();
if(type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG)
l = Length(primitiveValue->computeLengthIntForLength(style), Fixed);
else if(type == CSSPrimitiveValue::CSS_PERCENTAGE)
l = Length(primitiveValue->getDoubleValue(), Percent);
else
return;
layer->setBackgroundXPosition(l);
}
void CSSStyleSelector::mapBackgroundYPosition(BackgroundLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setBackgroundYPosition(RenderStyle::initialBackgroundYPosition());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
Length l;
int type = primitiveValue->primitiveType();
if(type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG)
l = Length(primitiveValue->computeLengthIntForLength(style), Fixed);
else if(type == CSSPrimitiveValue::CSS_PERCENTAGE)
l = Length(primitiveValue->getDoubleValue(), Percent);
else
return;
layer->setBackgroundYPosition(l);
}
void CSSStyleSelector::checkForTextSizeAdjust()
{
if (style->textSizeAdjust())
return;
FontDescription newFontDescription(style->fontDescription());
newFontDescription.setComputedSize(newFontDescription.specifiedSize());
style->setFontDescription(newFontDescription);
}
void CSSStyleSelector::checkForGenericFamilyChange(RenderStyle* style, RenderStyle* parentStyle)
{
const FontDescription& childFont = style->fontDescription();
if (childFont.isAbsoluteSize() || !parentStyle)
return;
const FontDescription& parentFont = parentStyle->fontDescription();
if (childFont.genericFamily() == parentFont.genericFamily())
return;
// For now, lump all families but monospace together.
if (childFont.genericFamily() != FontDescription::MonospaceFamily &&
parentFont.genericFamily() != FontDescription::MonospaceFamily)
return;
// We know the parent is monospace or the child is monospace, and that font
// size was unspecified. We want to scale our font size as appropriate.
// If the font uses a keyword size, then we refetch from the table rather than
// multiplying by our scale factor.
float size;
if (childFont.keywordSize()) {
size = fontSizeForKeyword(CSS_VAL_XX_SMALL + childFont.keywordSize() - 1, style->htmlHacks(),
childFont.genericFamily() == FontDescription::MonospaceFamily);
} else {
Settings* settings = m_document->settings();
float fixedScaleFactor = settings
? static_cast<float>(settings->defaultFixedFontSize()) / settings->defaultFontSize()
: 1;
size = (parentFont.genericFamily() == FontDescription::MonospaceFamily) ?
childFont.specifiedSize()/fixedScaleFactor :
childFont.specifiedSize()*fixedScaleFactor;
}
FontDescription newFontDescription(childFont);
setFontSize(newFontDescription, size);
style->setFontDescription(newFontDescription);
}
void CSSStyleSelector::setFontSize(FontDescription& fontDescription, float size)
{
fontDescription.setSpecifiedSize(size);
fontDescription.setComputedSize(getComputedSizeFromSpecifiedSize(fontDescription.isAbsoluteSize(), size));
}
float CSSStyleSelector::getComputedSizeFromSpecifiedSize(bool isAbsoluteSize, float specifiedSize)
{
// We support two types of minimum font size. The first is a hard override that applies to
// all fonts. This is "minSize." The second type of minimum font size is a "smart minimum"
// that is applied only when the Web page can't know what size it really asked for, e.g.,
// when it uses logical sizes like "small" or expresses the font-size as a percentage of
// the user's default font setting.
// With the smart minimum, we never want to get smaller than the minimum font size to keep fonts readable.
// However we always allow the page to set an explicit pixel size that is smaller,
// since sites will mis-render otherwise (e.g., http://www.gamespot.com with a 9px minimum).
Settings* settings = m_document->settings();
if (!settings)
return 1.0f;
int minSize = settings->minimumFontSize();
int minLogicalSize = settings->minimumLogicalFontSize();
float zoomPercent = m_document->frame() ? m_document->frame()->zoomFactor() / 100.0f : 1.0f;
float zoomedSize = specifiedSize * zoomPercent;
// Apply the hard minimum first. We only apply the hard minimum if after zooming we're still too small.
if (zoomedSize < minSize)
zoomedSize = minSize;
// Now apply the "smart minimum." This minimum is also only applied if we're still too small
// after zooming. The font size must either be relative to the user default or the original size
// must have been acceptable. In other words, we only apply the smart minimum whenever we're positive
// doing so won't disrupt the layout.
if (zoomedSize < minLogicalSize && (specifiedSize >= minLogicalSize || !isAbsoluteSize))
zoomedSize = minLogicalSize;
// Also clamp to a reasonable maximum to prevent insane font sizes from causing crashes on various
// platforms (I'm looking at you, Windows.)
return min(1000000.0f, max(zoomedSize, 1.0f));
}
const int fontSizeTableMax = 16;
const int fontSizeTableMin = 9;
const int totalKeywords = 8;
// WinIE/Nav4 table for font sizes. Designed to match the legacy font mapping system of HTML.
static const int quirksFontSizeTable[fontSizeTableMax - fontSizeTableMin + 1][totalKeywords] =
{
{ 9, 9, 9, 9, 11, 14, 18, 28 },
{ 9, 9, 9, 10, 12, 15, 20, 31 },
{ 9, 9, 9, 11, 13, 17, 22, 34 },
{ 9, 9, 10, 12, 14, 18, 24, 37 },
{ 9, 9, 10, 13, 16, 20, 26, 40 }, // fixed font default (13)
{ 9, 9, 11, 14, 17, 21, 28, 42 },
{ 9, 10, 12, 15, 17, 23, 30, 45 },
{ 9, 10, 13, 16, 18, 24, 32, 48 } // proportional font default (16)
};
// HTML 1 2 3 4 5 6 7
// CSS xxs xs s m l xl xxl
// |
// user pref
// Strict mode table matches MacIE and Mozilla's settings exactly.
static const int strictFontSizeTable[fontSizeTableMax - fontSizeTableMin + 1][totalKeywords] =
{
{ 9, 9, 9, 9, 11, 14, 18, 27 },
{ 9, 9, 9, 10, 12, 15, 20, 30 },
{ 9, 9, 10, 11, 13, 17, 22, 33 },
{ 9, 9, 10, 12, 14, 18, 24, 36 },
{ 9, 10, 12, 13, 16, 20, 26, 39 }, // fixed font default (13)
{ 9, 10, 12, 14, 17, 21, 28, 42 },
{ 9, 10, 13, 15, 18, 23, 30, 45 },
{ 9, 10, 13, 16, 18, 24, 32, 48 } // proportional font default (16)
};
// HTML 1 2 3 4 5 6 7
// CSS xxs xs s m l xl xxl
// |
// user pref
// For values outside the range of the table, we use Todd Fahrner's suggested scale
// factors for each keyword value.
static const float fontSizeFactors[totalKeywords] = { 0.60f, 0.75f, 0.89f, 1.0f, 1.2f, 1.5f, 2.0f, 3.0f };
float CSSStyleSelector::fontSizeForKeyword(int keyword, bool quirksMode, bool fixed) const
{
Settings* settings = m_document->settings();
if (!settings)
return 1.0f;
int mediumSize = fixed ? settings->defaultFixedFontSize() : settings->defaultFontSize();
if (mediumSize >= fontSizeTableMin && mediumSize <= fontSizeTableMax) {
// Look up the entry in the table.
int row = mediumSize - fontSizeTableMin;
int col = (keyword - CSS_VAL_XX_SMALL);
return quirksMode ? quirksFontSizeTable[row][col] : strictFontSizeTable[row][col];
}
// Value is outside the range of the table. Apply the scale factor instead.
float minLogicalSize = max(settings->minimumLogicalFontSize(), 1);
return max(fontSizeFactors[keyword - CSS_VAL_XX_SMALL]*mediumSize, minLogicalSize);
}
float CSSStyleSelector::largerFontSize(float size, bool quirksMode) const
{
// FIXME: Figure out where we fall in the size ranges (xx-small to xxx-large) and scale up to
// the next size level.
return size * 1.2f;
}
float CSSStyleSelector::smallerFontSize(float size, bool quirksMode) const
{
// FIXME: Figure out where we fall in the size ranges (xx-small to xxx-large) and scale down to
// the next size level.
return size / 1.2f;
}
// color mapping code
struct ColorValue {
int css_value;
RGBA32 color;
};
static const ColorValue colorValues[] = {
{ CSS_VAL_AQUA, 0xFF00FFFF },
{ CSS_VAL_BLACK, 0xFF000000 },
{ CSS_VAL_BLUE, 0xFF0000FF },
{ CSS_VAL_FUCHSIA, 0xFFFF00FF },
{ CSS_VAL_GRAY, 0xFF808080 },
{ CSS_VAL_GREEN, 0xFF008000 },
{ CSS_VAL_LIME, 0xFF00FF00 },
{ CSS_VAL_MAROON, 0xFF800000 },
{ CSS_VAL_NAVY, 0xFF000080 },
{ CSS_VAL_OLIVE, 0xFF808000 },
{ CSS_VAL_ORANGE, 0xFFFFA500 },
{ CSS_VAL_PURPLE, 0xFF800080 },
{ CSS_VAL_RED, 0xFFFF0000 },
{ CSS_VAL_SILVER, 0xFFC0C0C0 },
{ CSS_VAL_TEAL, 0xFF008080 },
{ CSS_VAL_WHITE, 0xFFFFFFFF },
{ CSS_VAL_YELLOW, 0xFFFFFF00 },
{ CSS_VAL_TRANSPARENT, 0x00000000 },
{ CSS_VAL_GREY, 0xFF808080 },
{ CSS_VAL_ACTIVEBORDER, 0xFFFFFFFF },
{ CSS_VAL_ACTIVECAPTION, 0xFFCCCCCC },
{ CSS_VAL_APPWORKSPACE, 0xFFFFFFFF },
{ CSS_VAL_BUTTONFACE, 0xFFC0C0C0 },
{ CSS_VAL_BUTTONHIGHLIGHT, 0xFFDDDDDD },
{ CSS_VAL_BUTTONSHADOW, 0xFF888888 },
{ CSS_VAL_BUTTONTEXT, 0xFF000000 },
{ CSS_VAL_CAPTIONTEXT, 0xFF000000 },
{ CSS_VAL_GRAYTEXT, 0xFF808080 },
{ CSS_VAL_HIGHLIGHT, 0xFFB5D5FF },
{ CSS_VAL_HIGHLIGHTTEXT, 0xFF000000 },
{ CSS_VAL_INACTIVEBORDER, 0xFFFFFFFF },
{ CSS_VAL_INACTIVECAPTION, 0xFFFFFFFF },
{ CSS_VAL_INACTIVECAPTIONTEXT, 0xFF7F7F7F },
{ CSS_VAL_INFOBACKGROUND, 0xFFFBFCC5 },
{ CSS_VAL_INFOTEXT, 0xFF000000 },
{ CSS_VAL_MENU, 0xFFC0C0C0 },
{ CSS_VAL_MENUTEXT, 0xFF000000 },
{ CSS_VAL_SCROLLBAR, 0xFFFFFFFF },
{ CSS_VAL_TEXT, 0xFF000000 },
{ CSS_VAL_THREEDDARKSHADOW, 0xFF666666 },
{ CSS_VAL_THREEDFACE, 0xFFC0C0C0 },
{ CSS_VAL_THREEDHIGHLIGHT, 0xFFDDDDDD },
{ CSS_VAL_THREEDLIGHTSHADOW, 0xFFC0C0C0 },
{ CSS_VAL_THREEDSHADOW, 0xFF888888 },
{ CSS_VAL_WINDOW, 0xFFFFFFFF },
{ CSS_VAL_WINDOWFRAME, 0xFFCCCCCC },
{ CSS_VAL_WINDOWTEXT, 0xFF000000 },
{ 0, 0 }
};
static Color colorForCSSValue(int css_value)
{
for (const ColorValue* col = colorValues; col->css_value; ++col)
if (col->css_value == css_value)
return col->color;
return Color();
}
Color CSSStyleSelector::getColorFromPrimitiveValue(CSSPrimitiveValue* primitiveValue)
{
Color col;
int ident = primitiveValue->getIdent();
if (ident) {
if (ident == CSS_VAL__WEBKIT_TEXT)
col = element->document()->textColor();
else if (ident == CSS_VAL__WEBKIT_LINK) {
Color linkColor = element->document()->linkColor();
Color visitedColor = element->document()->visitedLinkColor();
if (linkColor == visitedColor)
col = linkColor;
else {
if (pseudoState == PseudoUnknown || pseudoState == PseudoAnyLink)
checkPseudoState(element);
col = (pseudoState == PseudoLink) ? linkColor : visitedColor;
}
} else if (ident == CSS_VAL__WEBKIT_ACTIVELINK)
col = element->document()->activeLinkColor();
else if (ident == CSS_VAL__WEBKIT_FOCUS_RING_COLOR)
col = focusRingColor();
else
col = colorForCSSValue(ident);
} else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_RGBCOLOR)
col.setRGB(primitiveValue->getRGBColorValue());
return col;
}
bool CSSStyleSelector::hasSelectorForAttribute(const AtomicString &attrname)
{
return m_selectorAttrs.contains(attrname.impl());
}
} // namespace WebCore