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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
* Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
* Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
* Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
* Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
*
* 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 "CSSFontFace.h"
#include "CSSFontFaceRule.h"
#include "CSSFontFaceSource.h"
#include "CSSImportRule.h"
#include "CSSMediaRule.h"
#include "CSSParser.h"
#include "CSSPrimitiveValueMappings.h"
#include "CSSProperty.h"
#include "CSSPropertyNames.h"
#include "CSSReflectValue.h"
#include "CSSRuleList.h"
#include "CSSSelector.h"
#include "CSSSelectorList.h"
#include "CSSStyleRule.h"
#include "CSSStyleSheet.h"
#include "CSSTimingFunctionValue.h"
#include "CSSValueList.h"
#include "CSSVariableDependentValue.h"
#include "CSSVariablesDeclaration.h"
#include "CSSVariablesRule.h"
#include "CachedImage.h"
#include "Counter.h"
#include "CounterContent.h"
#include "FocusController.h"
#include "FontFamilyValue.h"
#include "FontValue.h"
#include "Frame.h"
#include "FrameView.h"
#include "HTMLDocument.h"
#include "HTMLElement.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "HTMLTextAreaElement.h"
#include "LinkHash.h"
#include "MatrixTransformOperation.h"
#include "MediaList.h"
#include "MediaQueryEvaluator.h"
#include "NodeRenderStyle.h"
#include "Page.h"
#include "PageGroup.h"
#include "Pair.h"
#include "Rect.h"
#include "RenderScrollbar.h"
#include "RenderScrollbarTheme.h"
#include "RenderTheme.h"
#include "RotateTransformOperation.h"
#include "ScaleTransformOperation.h"
#include "SelectionController.h"
#include "Settings.h"
#include "ShadowValue.h"
#include "SkewTransformOperation.h"
#include "StyleCachedImage.h"
#include "StyleGeneratedImage.h"
#include "StyleSheetList.h"
#include "Text.h"
#include "TranslateTransformOperation.h"
#include "UserAgentStyleSheets.h"
#include "WebKitCSSKeyframeRule.h"
#include "WebKitCSSKeyframesRule.h"
#include "WebKitCSSTransformValue.h"
#include "XMLNames.h"
#include "loader.h"
#include <wtf/StdLibExtras.h>
#include <wtf/Vector.h>
#if ENABLE(DASHBOARD_SUPPORT)
#include "DashboardRegion.h"
#endif
#if ENABLE(SVG)
#include "XLinkNames.h"
#include "SVGNames.h"
#endif
#if ENABLE(WML)
#include "WMLNames.h"
#endif
using namespace std;
namespace WebCore {
using namespace HTMLNames;
// #define STYLE_SHARING_STATS 1
#define HANDLE_INHERIT(prop, Prop) \
if (isInherit) { \
m_style->set##Prop(m_parentStyle->prop()); \
return; \
}
#define HANDLE_INHERIT_AND_INITIAL(prop, Prop) \
HANDLE_INHERIT(prop, Prop) \
if (isInitial) { \
m_style->set##Prop(RenderStyle::initial##Prop()); \
return; \
}
#define HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(prop, Prop, Value) \
HANDLE_INHERIT(prop, Prop) \
if (isInitial) { \
m_style->set##Prop(RenderStyle::initial##Value());\
return;\
}
#define HANDLE_FILL_LAYER_INHERIT_AND_INITIAL(layerType, LayerType, prop, Prop) \
if (isInherit) { \
FillLayer* currChild = m_style->access##LayerType##Layers(); \
FillLayer* prevChild = 0; \
const FillLayer* currParent = m_parentStyle->layerType##Layers(); \
while (currParent && currParent->is##Prop##Set()) { \
if (!currChild) { \
/* Need to make a new layer.*/ \
currChild = new FillLayer(LayerType##FillLayer); \
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(); \
} \
} else if (isInitial) { \
FillLayer* currChild = m_style->access##LayerType##Layers(); \
currChild->set##Prop(FillLayer::initialFill##Prop(LayerType##FillLayer)); \
for (currChild = currChild->next(); currChild; currChild = currChild->next()) \
currChild->clear##Prop(); \
}
#define HANDLE_FILL_LAYER_VALUE(layerType, LayerType, prop, Prop, value) { \
HANDLE_FILL_LAYER_INHERIT_AND_INITIAL(layerType, LayerType, prop, Prop) \
if (isInherit || isInitial) \
return; \
FillLayer* currChild = m_style->access##LayerType##Layers(); \
FillLayer* prevChild = 0; \
if (value->isValueList()) { \
/* 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 FillLayer(LayerType##FillLayer); \
prevChild->setNext(currChild); \
} \
mapFill##Prop(currChild, valueList->itemWithoutBoundsCheck(i)); \
prevChild = currChild; \
currChild = currChild->next(); \
} \
} else { \
mapFill##Prop(currChild, value); \
currChild = currChild->next(); \
} \
while (currChild) { \
/* Reset all remaining layers to not have the property set. */ \
currChild->clear##Prop(); \
currChild = currChild->next(); \
} }
#define HANDLE_BACKGROUND_INHERIT_AND_INITIAL(prop, Prop) \
HANDLE_FILL_LAYER_INHERIT_AND_INITIAL(background, Background, prop, Prop)
#define HANDLE_BACKGROUND_VALUE(prop, Prop, value) \
HANDLE_FILL_LAYER_VALUE(background, Background, prop, Prop, value)
#define HANDLE_MASK_INHERIT_AND_INITIAL(prop, Prop) \
HANDLE_FILL_LAYER_INHERIT_AND_INITIAL(mask, Mask, prop, Prop)
#define HANDLE_MASK_VALUE(prop, Prop, value) \
HANDLE_FILL_LAYER_VALUE(mask, Mask, prop, Prop, value)
#define HANDLE_ANIMATION_INHERIT_AND_INITIAL(prop, Prop) \
if (isInherit) { \
AnimationList* list = m_style->accessAnimations(); \
const AnimationList* parentList = m_parentStyle->animations(); \
size_t i = 0, parentSize = parentList ? parentList->size() : 0; \
for ( ; i < parentSize && parentList->animation(i)->is##Prop##Set(); ++i) { \
if (list->size() <= i) \
list->append(Animation::create()); \
list->animation(i)->set##Prop(parentList->animation(i)->prop()); \
} \
\
/* Reset any remaining animations to not have the property set. */ \
for ( ; i < list->size(); ++i) \
list->animation(i)->clear##Prop(); \
} else if (isInitial) { \
AnimationList* list = m_style->accessAnimations(); \
if (list->isEmpty()) \
list->append(Animation::create()); \
list->animation(0)->set##Prop(Animation::initialAnimation##Prop()); \
for (size_t i = 1; i < list->size(); ++i) \
list->animation(0)->clear##Prop(); \
}
#define HANDLE_ANIMATION_VALUE(prop, Prop, value) { \
HANDLE_ANIMATION_INHERIT_AND_INITIAL(prop, Prop) \
if (isInherit || isInitial) \
return; \
AnimationList* list = m_style->accessAnimations(); \
size_t childIndex = 0; \
if (value->isValueList()) { \
/* Walk each value and put it into an animation, creating new animations as needed. */ \
CSSValueList* valueList = static_cast<CSSValueList*>(value); \
for (unsigned int i = 0; i < valueList->length(); i++) { \
if (childIndex <= list->size()) \
list->append(Animation::create()); \
mapAnimation##Prop(list->animation(childIndex), valueList->itemWithoutBoundsCheck(i)); \
++childIndex; \
} \
} else { \
if (list->isEmpty()) \
list->append(Animation::create()); \
mapAnimation##Prop(list->animation(childIndex), value); \
childIndex = 1; \
} \
for ( ; childIndex < list->size(); ++childIndex) { \
/* Reset all remaining animations to not have the property set. */ \
list->animation(childIndex)->clear##Prop(); \
} \
}
#define HANDLE_TRANSITION_INHERIT_AND_INITIAL(prop, Prop) \
if (isInherit) { \
AnimationList* list = m_style->accessTransitions(); \
const AnimationList* parentList = m_parentStyle->transitions(); \
size_t i = 0, parentSize = parentList ? parentList->size() : 0; \
for ( ; i < parentSize && parentList->animation(i)->is##Prop##Set(); ++i) { \
if (list->size() <= i) \
list->append(Animation::create()); \
list->animation(i)->set##Prop(parentList->animation(i)->prop()); \
} \
\
/* Reset any remaining transitions to not have the property set. */ \
for ( ; i < list->size(); ++i) \
list->animation(i)->clear##Prop(); \
} else if (isInitial) { \
AnimationList* list = m_style->accessTransitions(); \
if (list->isEmpty()) \
list->append(Animation::create()); \
list->animation(0)->set##Prop(Animation::initialAnimation##Prop()); \
for (size_t i = 1; i < list->size(); ++i) \
list->animation(0)->clear##Prop(); \
}
#define HANDLE_TRANSITION_VALUE(prop, Prop, value) { \
HANDLE_TRANSITION_INHERIT_AND_INITIAL(prop, Prop) \
if (isInherit || isInitial) \
return; \
AnimationList* list = m_style->accessTransitions(); \
size_t childIndex = 0; \
if (value->isValueList()) { \
/* Walk each value and put it into a transition, creating new animations as needed. */ \
CSSValueList* valueList = static_cast<CSSValueList*>(value); \
for (unsigned int i = 0; i < valueList->length(); i++) { \
if (childIndex <= list->size()) \
list->append(Animation::create()); \
mapAnimation##Prop(list->animation(childIndex), valueList->itemWithoutBoundsCheck(i)); \
++childIndex; \
} \
} else { \
if (list->isEmpty()) \
list->append(Animation::create()); \
mapAnimation##Prop(list->animation(childIndex), value); \
childIndex = 1; \
} \
for ( ; childIndex < list->size(); ++childIndex) { \
/* Reset all remaining transitions to not have the property set. */ \
list->animation(childIndex)->clear##Prop(); \
} \
}
#define HANDLE_INHERIT_COND(propID, prop, Prop) \
if (id == propID) { \
m_style->set##Prop(m_parentStyle->prop()); \
return; \
}
#define HANDLE_INHERIT_COND_WITH_BACKUP(propID, prop, propAlt, Prop) \
if (id == propID) { \
if (m_parentStyle->prop().isValid()) \
m_style->set##Prop(m_parentStyle->prop()); \
else \
m_style->set##Prop(m_parentStyle->propAlt()); \
return; \
}
#define HANDLE_INITIAL_COND(propID, Prop) \
if (id == propID) { \
m_style->set##Prop(RenderStyle::initial##Prop()); \
return; \
}
#define HANDLE_INITIAL_COND_WITH_VALUE(propID, Prop, Value) \
if (id == propID) { \
m_style->set##Prop(RenderStyle::initial##Value()); \
return; \
}
class CSSRuleSet {
public:
CSSRuleSet();
~CSSRuleSet();
typedef HashMap<AtomicStringImpl*, CSSRuleDataList*> AtomRuleMap;
void addRulesFromSheet(CSSStyleSheet*, const MediaQueryEvaluator&, CSSStyleSelector* = 0);
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;
};
static CSSRuleSet* defaultStyle;
static CSSRuleSet* defaultQuirksStyle;
static CSSRuleSet* defaultPrintStyle;
static CSSRuleSet* defaultViewSourceStyle;
static CSSStyleSheet* simpleDefaultStyleSheet;
RenderStyle* CSSStyleSelector::s_styleNotYetAvailable;
static PseudoState pseudoState;
static void loadFullDefaultStyle();
static void loadSimpleDefaultStyle();
// FIXME: It would be nice to use some mechanism that guarantees this is in sync with the real UA stylesheet.
static const char* simpleUserAgentStyleSheet = "html,body,div{display:block}body{margin:8px}div:focus,span:focus{outline:auto 5px -webkit-focus-ring-color}";
static bool elementCanUseSimpleDefaultStyle(Element* e)
{
return e->hasTagName(htmlTag) || e->hasTagName(bodyTag) || e->hasTagName(divTag) || e->hasTagName(spanTag) || e->hasTagName(brTag);
}
static const MediaQueryEvaluator& screenEval()
{
DEFINE_STATIC_LOCAL(const MediaQueryEvaluator, staticScreenEval, ("screen"));
return staticScreenEval;
}
static const MediaQueryEvaluator& printEval()
{
DEFINE_STATIC_LOCAL(const MediaQueryEvaluator, staticPrintEval, ("print"));
return staticPrintEval;
}
CSSStyleSelector::CSSStyleSelector(Document* doc, const String& userStyleSheet, StyleSheetList* styleSheets, CSSStyleSheet* mappedElementSheet, bool strictParsing, bool matchAuthorAndUserStyles)
: m_backgroundData(BackgroundFillLayer)
, m_checker(doc, strictParsing)
, m_fontSelector(CSSFontSelector::create(doc))
{
init();
m_matchAuthorAndUserStyles = matchAuthorAndUserStyles;
Element* root = doc->documentElement();
if (!defaultStyle) {
if (!root || elementCanUseSimpleDefaultStyle(root))
loadSimpleDefaultStyle();
else
loadFullDefaultStyle();
}
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 = doc->view();
if (view)
m_medium = new MediaQueryEvaluator(view->mediaType());
else
m_medium = new MediaQueryEvaluator("all");
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(), m_rootDefaultStyle.get());
}
// FIXME: This sucks! The user sheet is reparsed every time!
if (!userStyleSheet.isEmpty()) {
m_userSheet = CSSStyleSheet::create(doc);
m_userSheet->parseString(userStyleSheet, strictParsing);
m_userStyle = new CSSRuleSet();
m_userStyle->addRulesFromSheet(m_userSheet.get(), *m_medium, this);
}
// add stylesheets from document
m_authorStyle = new CSSRuleSet();
// Add rules from elments like SVG's <font-face>
if (mappedElementSheet)
m_authorStyle->addRulesFromSheet(mappedElementSheet, *m_medium, this);
unsigned length = styleSheets->length();
for (unsigned i = 0; i < length; i++) {
StyleSheet* sheet = styleSheets->item(i);
if (sheet->isCSSStyleSheet() && !sheet->disabled())
m_authorStyle->addRulesFromSheet(static_cast<CSSStyleSheet*>(sheet), *m_medium, this);
}
}
// This is a simplified style setting function for keyframe styles
void CSSStyleSelector::addKeyframeStyle(PassRefPtr<WebKitCSSKeyframesRule> rule)
{
AtomicString s(rule->name());
m_keyframesRuleMap.add(s.impl(), rule);
}
void CSSStyleSelector::init()
{
m_element = 0;
m_matchedDecls.clear();
m_ruleList = 0;
m_rootDefaultStyle = 0;
m_medium = 0;
}
CSSStyleSelector::~CSSStyleSelector()
{
m_fontSelector->clearDocument();
delete m_medium;
delete m_authorStyle;
delete m_userStyle;
deleteAllValues(m_viewportDependentMediaQueryResults);
m_keyframesRuleMap.clear();
}
static CSSStyleSheet* parseUASheet(const String& str)
{
CSSStyleSheet* sheet = CSSStyleSheet::create().releaseRef(); // leak the sheet on purpose
sheet->parseString(str);
return sheet;
}
static CSSStyleSheet* parseUASheet(const char* characters, unsigned size)
{
return parseUASheet(String(characters, size));
}
static void loadFullDefaultStyle()
{
if (simpleDefaultStyleSheet) {
ASSERT(defaultStyle);
delete defaultStyle;
delete simpleDefaultStyleSheet;
defaultStyle = new CSSRuleSet;
simpleDefaultStyleSheet = 0;
} else {
ASSERT(!defaultStyle);
defaultStyle = new CSSRuleSet;
defaultPrintStyle = new CSSRuleSet;
defaultQuirksStyle = new CSSRuleSet;
}
// Strict-mode rules.
String defaultRules = String(html4UserAgentStyleSheet, sizeof(html4UserAgentStyleSheet)) + theme()->extraDefaultStyleSheet();
CSSStyleSheet* defaultSheet = parseUASheet(defaultRules);
defaultStyle->addRulesFromSheet(defaultSheet, screenEval());
defaultPrintStyle->addRulesFromSheet(defaultSheet, printEval());
// Quirks-mode rules.
String quirksRules = String(quirksUserAgentStyleSheet, sizeof(quirksUserAgentStyleSheet)) + theme()->extraQuirksStyleSheet();
CSSStyleSheet* quirksSheet = parseUASheet(quirksRules);
defaultQuirksStyle->addRulesFromSheet(quirksSheet, screenEval());
}
static void loadSimpleDefaultStyle()
{
ASSERT(!defaultStyle);
ASSERT(!simpleDefaultStyleSheet);
defaultStyle = new CSSRuleSet;
defaultPrintStyle = new CSSRuleSet;
defaultQuirksStyle = new CSSRuleSet;
simpleDefaultStyleSheet = parseUASheet(simpleUserAgentStyleSheet, strlen(simpleUserAgentStyleSheet));
defaultStyle->addRulesFromSheet(simpleDefaultStyleSheet, screenEval());
// No need to initialize quirks sheet yet as there are no quirk rules for elements allowed in simple default style.
}
static void loadViewSourceStyle()
{
ASSERT(!defaultViewSourceStyle);
defaultViewSourceStyle = new CSSRuleSet;
defaultViewSourceStyle->addRulesFromSheet(parseUASheet(sourceUserAgentStyleSheet, sizeof(sourceUserAgentStyleSheet)), screenEval());
}
void CSSStyleSelector::addMatchedDeclaration(CSSMutableStyleDeclaration* decl)
{
if (!decl->hasVariableDependentValue()) {
m_matchedDecls.append(decl);
return;
}
// See if we have already resolved the variables in this declaration.
CSSMutableStyleDeclaration* resolvedDecl = m_resolvedVariablesDeclarations.get(decl).get();
if (resolvedDecl) {
m_matchedDecls.append(resolvedDecl);
return;
}
// If this declaration has any variables in it, then we need to make a cloned
// declaration with as many variables resolved as possible for this style selector's media.
RefPtr<CSSMutableStyleDeclaration> newDecl = CSSMutableStyleDeclaration::create(decl->parentRule());
m_matchedDecls.append(newDecl.get());
m_resolvedVariablesDeclarations.set(decl, newDecl);
HashSet<String> usedBlockVariables;
resolveVariablesForDeclaration(decl, newDecl.get(), usedBlockVariables);
}
void CSSStyleSelector::resolveVariablesForDeclaration(CSSMutableStyleDeclaration* decl, CSSMutableStyleDeclaration* newDecl, HashSet<String>& usedBlockVariables)
{
// Now iterate over the properties in the original declaration. As we resolve variables we'll end up
// mutating the new declaration (possibly expanding shorthands). The new declaration has no m_node
// though, so it can't mistakenly call setChanged on anything.
CSSMutableStyleDeclaration::const_iterator end = decl->end();
for (CSSMutableStyleDeclaration::const_iterator it = decl->begin(); it != end; ++it) {
const CSSProperty& current = *it;
if (!current.value()->isVariableDependentValue()) {
// We can just add the parsed property directly.
newDecl->addParsedProperty(current);
continue;
}
CSSValueList* valueList = static_cast<CSSVariableDependentValue*>(current.value())->valueList();
if (!valueList)
continue;
CSSParserValueList resolvedValueList;
unsigned s = valueList->length();
bool fullyResolved = true;
for (unsigned i = 0; i < s; ++i) {
CSSValue* val = valueList->item(i);
CSSPrimitiveValue* primitiveValue = val->isPrimitiveValue() ? static_cast<CSSPrimitiveValue*>(val) : 0;
if (primitiveValue && primitiveValue->isVariable()) {
CSSVariablesRule* rule = m_variablesMap.get(primitiveValue->getStringValue());
if (!rule || !rule->variables()) {
fullyResolved = false;
break;
}
if (current.id() == CSSPropertyWebkitVariableDeclarationBlock && s == 1) {
fullyResolved = false;
if (!usedBlockVariables.contains(primitiveValue->getStringValue())) {
CSSMutableStyleDeclaration* declBlock = rule->variables()->getParsedVariableDeclarationBlock(primitiveValue->getStringValue());
if (declBlock) {
usedBlockVariables.add(primitiveValue->getStringValue());
resolveVariablesForDeclaration(declBlock, newDecl, usedBlockVariables);
}
}
}
CSSValueList* resolvedVariable = rule->variables()->getParsedVariable(primitiveValue->getStringValue());
if (!resolvedVariable) {
fullyResolved = false;
break;
}
unsigned valueSize = resolvedVariable->length();
for (unsigned j = 0; j < valueSize; ++j)
resolvedValueList.addValue(resolvedVariable->item(j)->parserValue());
} else
resolvedValueList.addValue(val->parserValue());
}
if (!fullyResolved)
continue;
// We now have a fully resolved new value list. We want the parser to use this value list
// and parse our new declaration.
CSSParser(m_checker.m_strictParsing).parsePropertyWithResolvedVariables(current.id(), current.isImportant(), newDecl, &resolvedValueList);
}
}
void CSSStyleSelector::matchRules(CSSRuleSet* rules, int& firstRuleIndex, int& lastRuleIndex)
{
m_matchedRules.clear();
if (!rules || !m_element)
return;
// We need to collect the rules for id, class, tag, and everything else into a buffer and
// then sort the buffer.
if (m_element->hasID())
matchRulesForList(rules->getIDRules(m_element->getIDAttribute().impl()), firstRuleIndex, lastRuleIndex);
if (m_element->hasClass()) {
ASSERT(m_styledElement);
const ClassNames& classNames = m_styledElement->classNames();
size_t size = classNames.size();
for (size_t i = 0; i < size; ++i)
matchRulesForList(rules->getClassRules(classNames[i].impl()), firstRuleIndex, lastRuleIndex);
}
matchRulesForList(rules->getTagRules(m_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_checker.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 = CSSRuleList::create();
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 = m_element->localName();
const AtomicString& selectorLocalName = d->selector()->m_tag.localName();
if ((localName == selectorLocalName || selectorLocalName == starAtom) && checkSelector(d->selector())) {
// 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 (m_dynamicPseudo != RenderStyle::NOPSEUDO && m_checker.m_pseudoStyle == RenderStyle::NOPSEUDO) {
if (m_checker.m_collectRulesOnly)
return;
if (m_dynamicPseudo < RenderStyle::FIRST_INTERNAL_PSEUDOID)
m_style->setHasPseudoStyle(m_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);
}
}
}
}
static 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;
}
static 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)
{
m_element = e;
if (m_element && m_element->isStyledElement())
m_styledElement = static_cast<StyledElement*>(m_element);
else
m_styledElement = 0;
pseudoState = PseudoUnknown;
}
void CSSStyleSelector::initForStyleResolve(Element* e, RenderStyle* parentStyle, RenderStyle::PseudoId pseudoID)
{
m_checker.m_pseudoStyle = pseudoID;
m_parentNode = e ? e->parentNode() : 0;
#if ENABLE(SVG)
if (!m_parentNode && e && e->isSVGElement() && e->isShadowNode())
m_parentNode = e->shadowParentNode();
#endif
if (parentStyle)
m_parentStyle = parentStyle;
else
m_parentStyle = m_parentNode ? m_parentNode->renderStyle() : 0;
m_style = 0;
m_matchedDecls.clear();
m_ruleList = 0;
m_fontDirty = false;
}
static inline const AtomicString* linkAttribute(Node* node)
{
if (!node->isLink())
return 0;
ASSERT(node->isElementNode());
Element* element = static_cast<Element*>(node);
if (element->isHTMLElement())
return &element->getAttribute(hrefAttr);
#if ENABLE(WML)
if (element->isWMLElement()) {
// <anchor> elements don't have href attributes, but we still want to
// appear as link, so linkAttribute() has to return a non-null value!
if (element->hasTagName(WMLNames::anchorTag))
return &emptyAtom;
return &element->getAttribute(hrefAttr);
}
#endif
#if ENABLE(SVG)
if (element->isSVGElement())
return &element->getAttribute(XLinkNames::hrefAttr);
#endif
return 0;
}
CSSStyleSelector::SelectorChecker::SelectorChecker(Document* document, bool strictParsing)
: m_document(document)
, m_strictParsing(strictParsing)
, m_collectRulesOnly(false)
, m_pseudoStyle(RenderStyle::NOPSEUDO)
, m_documentIsHTML(document->isHTMLDocument())
{
}
PseudoState CSSStyleSelector::SelectorChecker::checkPseudoState(Element* element, bool checkVisited) const
{
const AtomicString* attr = linkAttribute(element);
if (!attr || attr->isNull())
return PseudoNone;
if (!checkVisited)
return PseudoAnyLink;
LinkHash hash = visitedLinkHash(m_document->baseURL(), *attr);
if (!hash)
return PseudoLink;
Frame* frame = m_document->frame();
if (!frame)
return PseudoLink;
Page* page = frame->page();
if (!page)
return PseudoLink;
m_linksCheckedForVisitedState.add(hash);
return page->group().isLinkVisited(hash) ? PseudoVisited : PseudoLink;
}
bool CSSStyleSelector::SelectorChecker::checkSelector(CSSSelector* sel, Element* element) const
{
pseudoState = PseudoUnknown;
RenderStyle::PseudoId dynamicPseudo = RenderStyle::NOPSEUDO;
return checkSelector(sel, element, 0, dynamicPseudo, true, false) == SelectorMatches;
}
#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(parent->parentElement(), 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() == m_element->tagQName()) && !s->hasID() &&
(s->hasClass() == m_element->hasClass()) && !s->inlineStyleDecl() &&
(s->hasMappedAttributes() == m_styledElement->hasMappedAttributes()) &&
(s->isLink() == m_element->isLink()) &&
!style->affectedByAttributeSelectors() &&
(s->hovered() == m_element->hovered()) &&
(s->active() == m_element->active()) &&
(s->focused() == m_element->focused()) &&
(s != s->document()->getCSSTarget() && m_element != m_element->document()->getCSSTarget()) &&
(s->getAttribute(typeAttr) == m_element->getAttribute(typeAttr)) &&
(s->getAttribute(XMLNames::langAttr) == m_element->getAttribute(XMLNames::langAttr)) &&
(s->getAttribute(langAttr) == m_element->getAttribute(langAttr)) &&
(s->getAttribute(readonlyAttr) == m_element->getAttribute(readonlyAttr)) &&
(s->getAttribute(cellpaddingAttr) == m_element->getAttribute(cellpaddingAttr))) {
bool isControl = s->isControl();
if (isControl != m_element->isControl())
return false;
if (isControl && (s->isEnabled() != m_element->isEnabled()) ||
(s->isIndeterminate() != m_element->isIndeterminate()) ||
(s->isChecked() != m_element->isChecked()) ||
(s->isAutofilled() != m_element->isAutofilled()))
return false;
if (style->transitions() || style->animations())
return false;
bool classesMatch = true;
if (s->hasClass()) {
const AtomicString& class1 = m_element->getAttribute(classAttr);
const AtomicString& class2 = s->getAttribute(classAttr);
classesMatch = (class1 == class2);
}
if (classesMatch) {
bool mappedAttrsMatch = true;
if (s->hasMappedAttributes())
mappedAttrsMatch = s->mappedAttributes()->mapsEquivalent(m_styledElement->mappedAttributes());
if (mappedAttrsMatch) {
bool linksMatch = true;
if (s->isLink()) {
// We need to check to see if the visited state matches.
if (pseudoState == PseudoUnknown) {
const Color& linkColor = m_element->document()->linkColor();
const Color& visitedColor = m_element->document()->visitedLinkColor();
pseudoState = m_checker.checkPseudoState(m_element, style->pseudoState() != PseudoAnyLink || linkColor != visitedColor);
}
linksMatch = (pseudoState == style->pseudoState());
}
if (linksMatch)
return true;
}
}
}
}
return false;
}
RenderStyle* CSSStyleSelector::locateSharedStyle()
{
if (m_styledElement && !m_styledElement->inlineStyleDecl() && !m_styledElement->hasID() && !m_styledElement->document()->usesSiblingRules()) {
// Check previous siblings.
unsigned count = 0;
Node* n;
for (n = m_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(m_element->parentElement());
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 (!m_checker.m_strictParsing)
matchRules(defaultQuirksStyle, firstUARule, lastUARule);
// If we're in view source mode, then we match rules from the view source style sheet.
if (m_checker.m_document->frame() && m_checker.m_document->frame()->inViewSourceMode()) {
if (!defaultViewSourceStyle)
loadViewSourceStyle();
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
PassRefPtr<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 (!s_styleNotYetAvailable) {
s_styleNotYetAvailable = ::new RenderStyle;
s_styleNotYetAvailable->ref();
s_styleNotYetAvailable->setDisplay(NONE);
s_styleNotYetAvailable->font().update(m_fontSelector);
}
s_styleNotYetAvailable->ref();
e->document()->setHasNodesWithPlaceholderStyle();
return s_styleNotYetAvailable;
}
initElementAndPseudoState(e);
if (allowSharing) {
RenderStyle* sharedStyle = locateSharedStyle();
if (sharedStyle)
return sharedStyle;
}
initForStyleResolve(e, defaultParent);
m_style = RenderStyle::create();
if (m_parentStyle)
m_style->inheritFrom(m_parentStyle);
else
m_parentStyle = style();
if (simpleDefaultStyleSheet && !elementCanUseSimpleDefaultStyle(e))
loadFullDefaultStyle();
#if ENABLE(SVG)
static bool loadedSVGUserAgentSheet;
if (e->isSVGElement() && !loadedSVGUserAgentSheet) {
// SVG rules.
loadedSVGUserAgentSheet = true;
CSSStyleSheet* svgSheet = parseUASheet(svgUserAgentStyleSheet, sizeof(svgUserAgentStyleSheet));
defaultStyle->addRulesFromSheet(svgSheet, screenEval());
defaultPrintStyle->addRulesFromSheet(svgSheet, printEval());
}
#endif
#if ENABLE(WML)
static bool loadedWMLUserAgentSheet;
if (e->isWMLElement() && !loadedWMLUserAgentSheet) {
// WML rules.
loadedWMLUserAgentSheet = true;
CSSStyleSheet* wmlSheet = parseUASheet(wmlUserAgentStyleSheet, sizeof(wmlUserAgentStyleSheet));
defaultStyle->addRulesFromSheet(wmlSheet, screenEval());
defaultPrintStyle->addRulesFromSheet(wmlSheet, printEval());
}
#endif
#if ENABLE(VIDEO)
static bool loadedMediaStyleSheet;
if (!loadedMediaStyleSheet && (e->hasTagName(videoTag) || e->hasTagName(audioTag))) {
loadedMediaStyleSheet = true;
String mediaRules = String(mediaControlsUserAgentStyleSheet, sizeof(mediaControlsUserAgentStyleSheet)) + theme()->extraMediaControlsStyleSheet();
CSSStyleSheet* mediaControlsSheet = parseUASheet(mediaRules);
defaultStyle->addRulesFromSheet(mediaControlsSheet, screenEval());
defaultPrintStyle->addRulesFromSheet(mediaControlsSheet, printEval());
}
#endif
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.
if (m_matchAuthorAndUserStyles)
matchRules(m_userStyle, firstUserRule, lastUserRule);
// 5. Now check author rules, beginning first with presentational attributes
// mapped from HTML.
if (m_styledElement) {
// Ask if the HTML element has mapped attributes.
if (m_styledElement->hasMappedAttributes()) {
// Walk our attribute list and add in each decl.
const NamedMappedAttrMap* map = m_styledElement->mappedAttributes();
for (unsigned i = 0; i < map->length(); i++) {
Attribute* attr = map->attributeItem(i);
if (attr->isMappedAttribute()) {
MappedAttribute* mappedAttr = static_cast<MappedAttribute*>(attr);
if (mappedAttr->decl()) {
lastAuthorRule = m_matchedDecls.size();
if (firstAuthorRule == -1)
firstAuthorRule = lastAuthorRule;
addMatchedDeclaration(mappedAttr->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.
if (m_styledElement->canHaveAdditionalAttributeStyleDecls()) {
m_additionalAttributeStyleDecls.clear();
m_styledElement->additionalAttributeStyleDecls(m_additionalAttributeStyleDecls);
if (!m_additionalAttributeStyleDecls.isEmpty()) {
unsigned additionalDeclsSize = m_additionalAttributeStyleDecls.size();
if (firstAuthorRule == -1)
firstAuthorRule = m_matchedDecls.size();
lastAuthorRule = m_matchedDecls.size() + additionalDeclsSize - 1;
for (unsigned i = 0; i < additionalDeclsSize; i++)
addMatchedDeclaration(m_additionalAttributeStyleDecls[i]);
}
}
}
// 6. Check the rules in author sheets next.
if (m_matchAuthorAndUserStyles)
matchRules(m_authorStyle, firstAuthorRule, lastAuthorRule);
// 7. Now check our inline style attribute.
if (m_matchAuthorAndUserStyles && m_styledElement) {
CSSMutableStyleDeclaration* inlineDecl = m_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 (m_fontDirty)
updateFont();
// Line-height is set when we are sure we decided on the font-size
if (m_lineHeightValue)
applyProperty(CSSPropertyLineHeight, 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 (m_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())
m_style->setPseudoState(pseudoState);
// If we have first-letter pseudo style, do not share this style
if (m_style->hasPseudoStyle(RenderStyle::FIRST_LETTER))
m_style->setUnique();
// Now return the style.
return m_style.release();
}
void CSSStyleSelector::keyframeStylesForAnimation(Element* e, const RenderStyle* elementStyle, KeyframeList& list)
{
list.clear();
// Get the keyframesRule for this name
if (!e || list.animationName().isEmpty())
return;
if (!m_keyframesRuleMap.contains(list.animationName().impl()))
return;
const WebKitCSSKeyframesRule* rule = m_keyframesRuleMap.find(list.animationName().impl()).get()->second.get();
// Construct and populate the style for each keyframe
for (unsigned i = 0; i < rule->length(); ++i) {
// Apply the declaration to the style. This is a simplified version of the logic in styleForElement
initElementAndPseudoState(e);
initForStyleResolve(e);
const WebKitCSSKeyframeRule* kf = rule->item(i);
addMatchedDeclaration(kf->style());
ASSERT(!m_style);
// Create the style
m_style = RenderStyle::clone(elementStyle);
m_lineHeightValue = 0;
// We don't need to bother with !important. Since there is only ever one
// decl, there's nothing to override. So just add the first properties.
applyDeclarations(true, false, 0, m_matchedDecls.size() - 1);
// If our font got dirtied, go ahead and update it now.
if (m_fontDirty)
updateFont();
// Line-height is set when we are sure we decided on the font-size
if (m_lineHeightValue)
applyProperty(CSSPropertyLineHeight, m_lineHeightValue);
// Now do rest of the properties.
applyDeclarations(false, false, 0, m_matchedDecls.size() - 1);
// If our font got dirtied by one of the non-essential font props,
// go ahead and update it a second time.
if (m_fontDirty)
updateFont();
// Add all the animating properties to the list
CSSMutableStyleDeclaration::const_iterator end = kf->style()->end();
for (CSSMutableStyleDeclaration::const_iterator it = kf->style()->begin(); it != end; ++it)
list.addProperty((*it).id());
// Add this keyframe style to all the indicated key times
Vector<float> keys;
kf->getKeys(keys);
for (size_t keyIndex = 0; keyIndex < keys.size(); ++keyIndex) {
float key = keys[keyIndex];
list.insert(key, m_style);
}
m_style = 0;
}
// Make sure there is a 0% and a 100% keyframe
float first = -1;
float last = -1;
if (list.size() >= 2) {
first = list.beginKeyframes()->key();
last = (list.endKeyframes()-1)->key();
}
if (first != 0 || last != 1)
list.clear();
}
PassRefPtr<RenderStyle> CSSStyleSelector::pseudoStyleForElement(RenderStyle::PseudoId pseudo, Element* e, RenderStyle* parentStyle)
{
if (!e)
return 0;
initElementAndPseudoState(e);
initForStyleResolve(e, parentStyle, pseudo);
m_style = parentStyle;
// 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);
if (m_matchAuthorAndUserStyles) {
matchRules(m_userStyle, firstUserRule, lastUserRule);
matchRules(m_authorStyle, firstAuthorRule, lastAuthorRule);
}
if (m_matchedDecls.isEmpty())
return 0;
m_style = RenderStyle::create();
if (parentStyle)
m_style->inheritFrom(parentStyle);
m_style->noninherited_flags._styleType = pseudo;
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 (m_fontDirty)
updateFont();
// Line-height is set when we are sure we decided on the font-size
if (m_lineHeightValue)
applyProperty(CSSPropertyLineHeight, 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 (m_fontDirty)
updateFont();
// Clean up our style object's display and text decorations (among other fixups).
adjustRenderStyle(style(), 0);
// Now return the style.
return m_style.release();
}
static void addIntrinsicMargins(RenderStyle* style)
{
// Intrinsic margin value.
const int intrinsicMargin = 2 * style->effectiveZoom();
// 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 (!m_checker.m_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);
}
if (e && (e->hasTagName(tdTag) || e->hasTagName(thTag))) {
if (style->whiteSpace() == KHTML_NOWRAP) {
// Figure out if we are really nowrapping or if we should just
// use normal instead. If the width of the cell is fixed, then
// we don't actually use NOWRAP.
if (style->width().isFixed())
style->setWhiteSpace(NORMAL);
else
style->setWhiteSpace(NOWRAP);
}
}
// 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 (!m_checker.m_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.
if (style->position() == StaticPosition)
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. Auto z-index also becomes 0 for objects that specify transforms/masks/reflections.
if (style->hasAutoZIndex() && ((e && e->document()->documentElement() == e) || style->opacity() < 1.0f ||
style->hasTransform() || style->hasMask() || style->boxReflect()))
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 ENABLE(WML)
|| e->hasTagName(WMLNames::insertedLegendTag)
|| e->hasTagName(WMLNames::inputTag)
#endif
)) {
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);
}
// Menulists should have visible overflow
if (style->appearance() == MenulistPart) {
style->setOverflowX(OVISIBLE);
style->setOverflowY(OVISIBLE);
}
// Cull out any useless layers and also repeat patterns into additional layers.
style->adjustBackgroundLayers();
style->adjustMaskLayers();
// Do the same for animations and transitions.
style->adjustAnimations();
style->adjustTransitions();
// 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(), m_parentStyle);
checkForZoomChange(style(), m_parentStyle);
m_style->font().update(m_fontSelector);
m_fontDirty = false;
}
void CSSStyleSelector::cacheBorderAndBackground()
{
m_hasUAAppearance = m_style->hasAppearance();
if (m_hasUAAppearance) {
m_borderData = m_style->border();
m_backgroundData = *m_style->backgroundLayers();
m_backgroundColor = m_style->backgroundColor();
}
}
PassRefPtr<CSSRuleList> CSSStyleSelector::styleRulesForElement(Element* e, bool authorOnly)
{
if (!e || !e->document()->haveStylesheetsLoaded())
return 0;
m_checker.m_collectRulesOnly = true;
initElementAndPseudoState(e);
initForStyleResolve(e);
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.
if (m_matchAuthorAndUserStyles) {
int firstUserRule = -1, lastUserRule = -1;
matchRules(m_userStyle, firstUserRule, lastUserRule);
}
}
if (m_matchAuthorAndUserStyles) {
// Check the rules in author sheets.
int firstAuthorRule = -1, lastAuthorRule = -1;
matchRules(m_authorStyle, firstAuthorRule, lastAuthorRule);
}
m_checker.m_collectRulesOnly = false;
return m_ruleList.release();
}
PassRefPtr<CSSRuleList> CSSStyleSelector::pseudoStyleRulesForElement(Element*, const String&, bool)
{
// FIXME: Implement this.
return 0;
}
bool CSSStyleSelector::checkSelector(CSSSelector* sel)
{
m_dynamicPseudo = RenderStyle::NOPSEUDO;
// Check the selector
SelectorMatch match = m_checker.checkSelector(sel, m_element, &m_selectorAttrs, m_dynamicPseudo, true, false, style(), m_parentStyle);
if (match != SelectorMatches)
return false;
if (m_checker.m_pseudoStyle != RenderStyle::NOPSEUDO && m_checker.m_pseudoStyle != m_dynamicPseudo)
return false;
return true;
}
// Recursive check of selectors and combinators
// It can return 3 different values:
// * SelectorMatches - the selector matches the element e
// * SelectorFailsLocally - the selector fails for the element e
// * SelectorFailsCompletely - the selector fails for e and any sibling or ancestor of e
CSSStyleSelector::SelectorMatch CSSStyleSelector::SelectorChecker::checkSelector(CSSSelector* sel, Element* e, HashSet<AtomicStringImpl*>* selectorAttrs, RenderStyle::PseudoId& dynamicPseudo, bool isAncestor, bool isSubSelector, RenderStyle* elementStyle, RenderStyle* elementParentStyle) const
{
#if ENABLE(SVG)
// Spec: CSS2 selectors cannot be applied to the (conceptually) cloned DOM tree
// because its contents are not part of the formal document structure.
if (e->isSVGElement() && e->isShadowNode())
return SelectorFailsCompletely;
#endif
// first selector has to match
if (!checkOneSelector(sel, e, selectorAttrs, dynamicPseudo, isAncestor, isSubSelector, elementStyle, elementParentStyle))
return SelectorFailsLocally;
// The rest of the selectors has to match
CSSSelector::Relation relation = sel->relation();
// Prepare next sel
sel = sel->tagHistory();
if (!sel)
return SelectorMatches;
if (relation != CSSSelector::SubSelector)
// Bail-out if this selector is irrelevant for the pseudoStyle
if (m_pseudoStyle != RenderStyle::NOPSEUDO && m_pseudoStyle != dynamicPseudo)
return SelectorFailsCompletely;
switch (relation) {
case CSSSelector::Descendant:
while (true) {
Node* n = e->parentNode();
if (!n || !n->isElementNode())
return SelectorFailsCompletely;
e = static_cast<Element*>(n);
SelectorMatch match = checkSelector(sel, e, selectorAttrs, dynamicPseudo, true, false);
if (match != SelectorFailsLocally)
return match;
}
break;
case CSSSelector::Child:
{
Node* n = e->parentNode();
if (!n || !n->isElementNode())
return SelectorFailsCompletely;
e = static_cast<Element*>(n);
return checkSelector(sel, e, selectorAttrs, dynamicPseudo, true, false);
}
case CSSSelector::DirectAdjacent:
{
if (!m_collectRulesOnly && e->parentNode() && e->parentNode()->isElementNode()) {
RenderStyle* parentStyle = elementStyle ? elementParentStyle : e->parentNode()->renderStyle();
if (parentStyle)
parentStyle->setChildrenAffectedByDirectAdjacentRules();
}
Node* n = e->previousSibling();
while (n && !n->isElementNode())
n = n->previousSibling();
if (!n)
return SelectorFailsLocally;
e = static_cast<Element*>(n);
return checkSelector(sel, e, selectorAttrs, dynamicPseudo, false, false);
}
case CSSSelector::IndirectAdjacent:
if (!m_collectRulesOnly && e->parentNode() && e->parentNode()->isElementNode()) {
RenderStyle* parentStyle = elementStyle ? elementParentStyle : e->parentNode()->renderStyle();
if (parentStyle)
parentStyle->setChildrenAffectedByForwardPositionalRules();
}
while (true) {
Node* n = e->previousSibling();
while (n && !n->isElementNode())
n = n->previousSibling();
if (!n)
return SelectorFailsLocally;
e = static_cast<Element*>(n);
SelectorMatch match = checkSelector(sel, e, selectorAttrs, dynamicPseudo, false, false);
if (match != SelectorFailsLocally)
return match;
};
break;
case CSSSelector::SubSelector:
// a selector is invalid if something follows a pseudo-element
// We make an exception for scrollbar pseudo elements and allow a set of pseudo classes (but nothing else)
// to follow the pseudo elements.
if (elementStyle && dynamicPseudo != RenderStyle::NOPSEUDO &&
!((RenderScrollbar::scrollbarForStyleResolve() || dynamicPseudo == RenderStyle::SCROLLBAR_CORNER || dynamicPseudo == RenderStyle::RESIZER) && sel->m_match == CSSSelector::PseudoClass))
return SelectorFailsCompletely;
return checkSelector(sel, e, selectorAttrs, dynamicPseudo, isAncestor, true, elementStyle, elementParentStyle);
}
return SelectorFailsCompletely;
}
static void addLocalNameToSet(HashSet<AtomicStringImpl*>* set, const QualifiedName& qName)
{
set->add(qName.localName().impl());
}
static HashSet<AtomicStringImpl*>* createHtmlCaseInsensitiveAttributesSet()
{
// This is the list of attributes in HTML 4.01 with values marked as "[CI]" or case-insensitive
// Mozilla treats all other values as case-sensitive, thus so do we.
HashSet<AtomicStringImpl*>* attrSet = new HashSet<AtomicStringImpl*>;
addLocalNameToSet(attrSet, accept_charsetAttr);
addLocalNameToSet(attrSet, acceptAttr);
addLocalNameToSet(attrSet, alignAttr);
addLocalNameToSet(attrSet, alinkAttr);
addLocalNameToSet(attrSet, axisAttr);
addLocalNameToSet(attrSet, bgcolorAttr);
addLocalNameToSet(attrSet, charsetAttr);
addLocalNameToSet(attrSet, checkedAttr);
addLocalNameToSet(attrSet, clearAttr);
addLocalNameToSet(attrSet, codetypeAttr);
addLocalNameToSet(attrSet, colorAttr);
addLocalNameToSet(attrSet, compactAttr);
addLocalNameToSet(attrSet, declareAttr);
addLocalNameToSet(attrSet, deferAttr);
addLocalNameToSet(attrSet, dirAttr);
addLocalNameToSet(attrSet, disabledAttr);
addLocalNameToSet(attrSet, enctypeAttr);
addLocalNameToSet(attrSet, faceAttr);
addLocalNameToSet(attrSet, frameAttr);
addLocalNameToSet(attrSet, hreflangAttr);
addLocalNameToSet(attrSet, http_equivAttr);
addLocalNameToSet(attrSet, langAttr);
addLocalNameToSet(attrSet, languageAttr);
addLocalNameToSet(attrSet, linkAttr);
addLocalNameToSet(attrSet, mediaAttr);
addLocalNameToSet(attrSet, methodAttr);
addLocalNameToSet(attrSet, multipleAttr);
addLocalNameToSet(attrSet, nohrefAttr);
addLocalNameToSet(attrSet, noresizeAttr);
addLocalNameToSet(attrSet, noshadeAttr);
addLocalNameToSet(attrSet, nowrapAttr);
addLocalNameToSet(attrSet, readonlyAttr);
addLocalNameToSet(attrSet, relAttr);
addLocalNameToSet(attrSet, revAttr);
addLocalNameToSet(attrSet, rulesAttr);
addLocalNameToSet(attrSet, scopeAttr);
addLocalNameToSet(attrSet, scrollingAttr);
addLocalNameToSet(attrSet, selectedAttr);
addLocalNameToSet(attrSet, shapeAttr);
addLocalNameToSet(attrSet, targetAttr);
addLocalNameToSet(attrSet, textAttr);
addLocalNameToSet(attrSet, typeAttr);
addLocalNameToSet(attrSet, valignAttr);
addLocalNameToSet(attrSet, valuetypeAttr);
addLocalNameToSet(attrSet, vlinkAttr);
return attrSet;
}
static bool htmlAttributeHasCaseInsensitiveValue(const QualifiedName& attr)
{
static HashSet<AtomicStringImpl*>* htmlCaseInsensitiveAttributesSet = createHtmlCaseInsensitiveAttributesSet();
bool isPossibleHTMLAttr = !attr.hasPrefix() && (attr.namespaceURI() == nullAtom);
return isPossibleHTMLAttr && htmlCaseInsensitiveAttributesSet->contains(attr.localName().impl());
}
bool CSSStyleSelector::SelectorChecker::checkOneSelector(CSSSelector* sel, Element* e, HashSet<AtomicStringImpl*>* selectorAttrs, RenderStyle::PseudoId& dynamicPseudo, bool isAncestor, bool isSubSelector, RenderStyle* elementStyle, RenderStyle* elementParentStyle) const
{
if (!e)
return false;
if (sel->hasTag()) {
const AtomicString& selLocalName = sel->m_tag.localName();
if (selLocalName != starAtom && selLocalName != e->localName())
return false;
const AtomicString& selNS = sel->m_tag.namespaceURI();
if (selNS != starAtom && selNS != e->namespaceURI())
return false;
}
if (sel->hasAttribute()) {
if (sel->m_match == CSSSelector::Class)
return e->hasClass() && static_cast<StyledElement*>(e)->classNames().contains(sel->m_value);
if (sel->m_match == CSSSelector::Id)
return e->hasID() && e->getIDAttribute() == sel->m_value;
const QualifiedName& attr = sel->attribute();
// FIXME: Handle the case were elementStyle is 0.
if (elementStyle && (!e->isStyledElement() || (!static_cast<StyledElement*>(e)->isMappedAttribute(attr) && attr != typeAttr && attr != readonlyAttr))) {
elementStyle->setAffectedByAttributeSelectors(); // Special-case the "type" and "readonly" attributes so input form controls can share style.
if (selectorAttrs)
selectorAttrs->add(attr.localName().impl());
}
const AtomicString& value = e->getAttribute(attr);
if (value.isNull())
return false; // attribute is not set
bool caseSensitive = !m_documentIsHTML || !htmlAttributeHasCaseInsensitiveValue(attr);
switch (sel->m_match) {
case CSSSelector::Exact:
if (caseSensitive ? sel->m_value != value : !equalIgnoringCase(sel->m_value, value))
return false;
break;
case CSSSelector::List:
{
// Ignore empty selectors or selectors containing spaces
if (sel->m_value.contains(' ') || sel->m_value.isEmpty())
return false;
int startSearchAt = 0;
while (true) {
int foundPos = value.find(sel->m_value, startSearchAt, caseSensitive);
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, caseSensitive) || sel->m_value.isEmpty())
return false;
break;
case CSSSelector::Begin:
if (!value.startsWith(sel->m_value, caseSensitive) || sel->m_value.isEmpty())
return false;
break;
case CSSSelector::End:
if (!value.endsWith(sel->m_value, caseSensitive) || sel->m_value.isEmpty())
return false;
break;
case CSSSelector::Hyphen:
if (value.length() < sel->m_value.length())
return false;
if (!value.startsWith(sel->m_value, caseSensitive))
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) {
// Handle :not up front.
if (sel->pseudoType() == CSSSelector::PseudoNot) {
// check the simple selector
for (CSSSelector* subSel = sel->simpleSelector(); subSel; subSel = subSel->tagHistory()) {
// :not cannot nest. I don't really know why this is a
// restriction in CSS3, but it is, so let's honor it.
if (subSel->simpleSelector())
break;
if (!checkOneSelector(subSel, e, selectorAttrs, dynamicPseudo, isAncestor, true, elementStyle, elementParentStyle))
return true;
}
} else if (dynamicPseudo != RenderStyle::NOPSEUDO && (RenderScrollbar::scrollbarForStyleResolve() || dynamicPseudo == RenderStyle::SCROLLBAR_CORNER || dynamicPseudo == RenderStyle::RESIZER)) {
// CSS scrollbars match a specific subset of pseudo classes, and they have specialized rules for each
// (since there are no elements involved).
return checkScrollbarPseudoClass(sel, dynamicPseudo);
}
// Normal element pseudo class checking.
switch (sel->pseudoType()) {
// Pseudo classes:
case CSSSelector::PseudoNot:
break; // Already handled up above.
case CSSSelector::PseudoEmpty: {
bool result = true;
for (Node* n = e->firstChild(); n; n = n->nextSibling()) {
if (n->isElementNode()) {
result = false;
break;
} else if (n->isTextNode()) {
Text* textNode = static_cast<Text*>(n);
if (!textNode->data().isEmpty()) {
result = false;
break;
}
}
}
if (!m_collectRulesOnly) {
if (elementStyle)
elementStyle->setEmptyState(result);
else if (e->renderStyle() && (e->document()->usesSiblingRules() || e->renderStyle()->unique()))
e->renderStyle()->setEmptyState(result);
}
return result;
}
case CSSSelector::PseudoFirstChild: {
// first-child matches the first child that is an element
if (e->parentNode() && e->parentNode()->isElementNode()) {
bool result = false;
Node* n = e->previousSibling();
while (n && !n->isElementNode())
n = n->previousSibling();
if (!n)
result = true;
if (!m_collectRulesOnly) {
RenderStyle* childStyle = elementStyle ? elementStyle : e->renderStyle();
RenderStyle* parentStyle = elementStyle ? elementParentStyle : e->parentNode()->renderStyle();
if (parentStyle)
parentStyle->setChildrenAffectedByFirstChildRules();
if (result && childStyle)
childStyle->setFirstChildState();
}
return result;
}
break;
}
case CSSSelector::PseudoFirstOfType: {
// first-of-type matches the first element of its type
if (e->parentNode() && e->parentNode()->isElementNode()) {
bool result = false;
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)
result = true;
if (!m_collectRulesOnly) {
RenderStyle* parentStyle = elementStyle ? elementParentStyle : e->parentNode()->renderStyle();
if (parentStyle)
parentStyle->setChildrenAffectedByForwardPositionalRules();
}
return result;
}
break;
}
case CSSSelector::PseudoLastChild: {
// last-child matches the last child that is an element
if (Element* parentElement = e->parentElement()) {
bool result = false;
if (parentElement->isFinishedParsingChildren()) {
Node* n = e->nextSibling();
while (n && !n->isElementNode())
n = n->nextSibling();
if (!n)
result = true;
}
if (!m_collectRulesOnly) {
RenderStyle* childStyle = elementStyle ? elementStyle : e->renderStyle();
RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
if (parentStyle)
parentStyle->setChildrenAffectedByLastChildRules();
if (result && childStyle)
childStyle->setLastChildState();
}
return result;
}
break;
}
case CSSSelector::PseudoLastOfType: {
// last-of-type matches the last element of its type
if (Element* parentElement = e->parentElement()) {
if (!m_collectRulesOnly) {
RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
if (parentStyle)
parentStyle->setChildrenAffectedByBackwardPositionalRules();
}
if (!parentElement->isFinishedParsingChildren())
return false;
bool result = false;
const QualifiedName& type = e->tagQName();
Node* n = e->nextSibling();
while (n) {
if (n->isElementNode() && static_cast<Element*>(n)->hasTagName(type))
break;
n = n->nextSibling();
}
if (!n)
result = true;
return result;
}
break;
}
case CSSSelector::PseudoOnlyChild: {
if (Element* parentElement = e->parentElement()) {
bool firstChild = false;
bool lastChild = false;
Node* n = e->previousSibling();
while (n && !n->isElementNode())
n = n->previousSibling();
if (!n)
firstChild = true;
if (firstChild && parentElement->isFinishedParsingChildren()) {
n = e->nextSibling();
while (n && !n->isElementNode())
n = n->nextSibling();
if (!n)
lastChild = true;
}
if (!m_collectRulesOnly) {
RenderStyle* childStyle = elementStyle ? elementStyle : e->renderStyle();
RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
if (parentStyle) {
parentStyle->setChildrenAffectedByFirstChildRules();
parentStyle->setChildrenAffectedByLastChildRules();
}
if (firstChild && childStyle)
childStyle->setFirstChildState();
if (lastChild && childStyle)
childStyle->setLastChildState();
}
return firstChild && lastChild;
}
break;
}
case CSSSelector::PseudoOnlyOfType: {
// FIXME: This selector is very slow.
if (Element* parentElement = e->parentElement()) {
if (!m_collectRulesOnly) {
RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
if (parentStyle) {
parentStyle->setChildrenAffectedByForwardPositionalRules();
parentStyle->setChildrenAffectedByBackwardPositionalRules();
}
}
if (!parentElement->isFinishedParsingChildren())
return false;
bool firstChild = false;
bool lastChild = false;
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)
firstChild = true;
if (firstChild) {
n = e->nextSibling();
while (n) {
if (n->isElementNode() && static_cast<Element*>(n)->hasTagName(type))
break;
n = n->nextSibling();
}
if (!n)
lastChild = true;
}
return firstChild && lastChild;
}
break;
}
case CSSSelector::PseudoNthChild: {
if (!sel->parseNth())
break;
if (Element* parentElement = e->parentElement()) {
int count = 1;
Node* n = e->previousSibling();
while (n) {
if (n->isElementNode()) {
RenderStyle* s = n->renderStyle();
unsigned index = s ? s->childIndex() : 0;
if (index) {
count += index;
break;
}
count++;
}
n = n->previousSibling();
}
if (!m_collectRulesOnly) {
RenderStyle* childStyle = elementStyle ? elementStyle : e->renderStyle();
RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
if (childStyle)
childStyle->setChildIndex(count);
if (parentStyle)
parentStyle->setChildrenAffectedByForwardPositionalRules();
}
if (sel->matchNth(count))
return true;
}
break;
}
case CSSSelector::PseudoNthOfType: {
if (!sel->parseNth())
break;
if (Element* parentElement = e->parentElement()) {
int count = 1;
const QualifiedName& type = e->tagQName();
Node* n = e->previousSibling();
while (n) {
if (n->isElementNode() && static_cast<Element*>(n)->hasTagName(type))
count++;
n = n->previousSibling();
}
if (!m_collectRulesOnly) {
RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
if (parentStyle)
parentStyle->setChildrenAffectedByForwardPositionalRules();
}
if (sel->matchNth(count))
return true;
}
break;
}
case CSSSelector::PseudoNthLastChild: {
if (!sel->parseNth())
break;
if (Element* parentElement = e->parentElement()) {
if (!m_collectRulesOnly) {
RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
if (parentStyle)
parentStyle->setChildrenAffectedByBackwardPositionalRules();
}
if (!parentElement->isFinishedParsingChildren())
return false;
int count = 1;
Node* n = e->nextSibling();
while (n) {
if (n->isElementNode())
count++;
n = n->nextSibling();
}
if (sel->matchNth(count))
return true;
}
break;
}
case CSSSelector::PseudoNthLastOfType: {
if (!sel->parseNth())
break;
if (Element* parentElement = e->parentElement()) {
if (!m_collectRulesOnly) {
RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
if (parentStyle)
parentStyle->setChildrenAffectedByBackwardPositionalRules();
}
if (!parentElement->isFinishedParsingChildren())
return false;
int count = 1;
const QualifiedName& type = e->tagQName();
Node* n = e->nextSibling();
while (n) {
if (n->isElementNode() && static_cast<Element*>(n)->hasTagName(type))
count++;
n = n->nextSibling();
}
if (sel->matchNth(count))
return true;
}
break;
}
case CSSSelector::PseudoTarget:
if (e == e->document()->getCSSTarget())
return true;
break;
case CSSSelector::PseudoAnyLink:
if (pseudoState == PseudoUnknown)
pseudoState = checkPseudoState(e, false);
if (pseudoState == PseudoAnyLink || pseudoState == PseudoLink || pseudoState == PseudoVisited)
return true;
break;
case CSSSelector::PseudoAutofill:
if (e)
return e->isAutofilled();
break;
case CSSSelector::PseudoLink:
if (pseudoState == PseudoUnknown || pseudoState == PseudoAnyLink)
pseudoState = checkPseudoState(e);
if (pseudoState == PseudoLink)
return true;
break;
case CSSSelector::PseudoVisited:
if (pseudoState == PseudoUnknown || pseudoState == PseudoAnyLink)
pseudoState = checkPseudoState(e);
if (pseudoState == PseudoVisited)
return true;
break;
case CSSSelector::PseudoDrag: {
if (elementStyle)
elementStyle->setAffectedByDragRules(true);
else if (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()->selection()->isFocusedAndActive())
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 (m_strictParsing || isSubSelector || (sel->hasTag() && !e->hasTagName(aTag)) || e->isLink()) {
if (elementStyle)
elementStyle->setAffectedByHoverRules(true);
else if (e->renderStyle())
e->renderStyle()->setAffectedByHoverRules(true);
if (e->hovered())
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 (m_strictParsing || isSubSelector || (sel->hasTag() && !e->hasTagName(aTag)) || e->isLink()) {
if (elementStyle)
elementStyle->setAffectedByActiveRules(true);
else if (e->renderStyle())
e->renderStyle()->setAffectedByActiveRules(true);
if (e->active())
return true;
}
break;
case CSSSelector::PseudoEnabled:
if (e && e->isControl() && !e->isInputTypeHidden())
// 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 non-"hidden" controls.
return e->isEnabled();
break;
case CSSSelector::PseudoFullPageMedia:
return e && e->document() && e->document()->isMediaDocument();
break;
case CSSSelector::PseudoDisabled:
if (e && e->isControl() && !e->isInputTypeHidden())
// 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 non-"hidden" controls.
return !e->isEnabled();
break;
case CSSSelector::PseudoReadOnly:
return e && e->isTextControl() && e->isReadOnlyControl();
case CSSSelector::PseudoReadWrite:
return e && e->isTextControl() && !e->isReadOnlyControl();
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: {
Node* n = e;
AtomicString value;
// The language property is inherited, so we iterate over the parents
// to find the first language.
while (n && value.isEmpty()) {
if (n->isElementNode()) {
// Spec: xml:lang takes precedence -- http://www.w3.org/TR/xhtml1/#C_7
value = static_cast<Element*>(n)->getAttribute(XMLNames::langAttr);
if (value.isEmpty())
value = static_cast<Element*>(n)->getAttribute(langAttr);
} else if (n->isDocumentNode())
// checking the MIME content-language
value = static_cast<Document*>(n)->contentLanguage();
n = n->parent();
}
const AtomicString& argument = sel->argument();
if (value.isEmpty() || !value.startsWith(argument, false))
break;
if (value.length() != argument.length() && value[argument.length()] != '-')
break;
return true;
}
case CSSSelector::PseudoUnknown:
case CSSSelector::PseudoNotParsed:
default:
ASSERT_NOT_REACHED();
break;
}
return false;
}
if (sel->m_match == CSSSelector::PseudoElement) {
if (!elementStyle)
return false;
switch (sel->pseudoType()) {
// Pseudo-elements:
case CSSSelector::PseudoFirstLine:
dynamicPseudo = RenderStyle::FIRST_LINE;
return true;
case CSSSelector::PseudoFirstLetter:
dynamicPseudo = RenderStyle::FIRST_LETTER;
if (Document* doc = e->document())
doc->setUsesFirstLetterRules(true);
return true;
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::PseudoInputPlaceholder:
dynamicPseudo = RenderStyle::INPUT_PLACEHOLDER;
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::PseudoMediaControlsPanel:
dynamicPseudo = RenderStyle::MEDIA_CONTROLS_PANEL;
return true;
case CSSSelector::PseudoMediaControlsMuteButton:
dynamicPseudo = RenderStyle::MEDIA_CONTROLS_MUTE_BUTTON;
return true;
case CSSSelector::PseudoMediaControlsPlayButton:
dynamicPseudo = RenderStyle::MEDIA_CONTROLS_PLAY_BUTTON;
return true;
case CSSSelector::PseudoMediaControlsTimelineContainer:
dynamicPseudo = RenderStyle::MEDIA_CONTROLS_TIMELINE_CONTAINER;
return true;
case CSSSelector::PseudoMediaControlsCurrentTimeDisplay:
dynamicPseudo = RenderStyle::MEDIA_CONTROLS_CURRENT_TIME_DISPLAY;
return true;
case CSSSelector::PseudoMediaControlsTimeRemainingDisplay:
dynamicPseudo = RenderStyle::MEDIA_CONTROLS_TIME_REMAINING_DISPLAY;
return true;
case CSSSelector::PseudoMediaControlsTimeline:
dynamicPseudo = RenderStyle::MEDIA_CONTROLS_TIMELINE;
return true;
case CSSSelector::PseudoMediaControlsSeekBackButton:
dynamicPseudo = RenderStyle::MEDIA_CONTROLS_SEEK_BACK_BUTTON;
return true;
case CSSSelector::PseudoMediaControlsSeekForwardButton:
dynamicPseudo = RenderStyle::MEDIA_CONTROLS_SEEK_FORWARD_BUTTON;
return true;
case CSSSelector::PseudoMediaControlsFullscreenButton:
dynamicPseudo = RenderStyle::MEDIA_CONTROLS_FULLSCREEN_BUTTON;
return true;
case CSSSelector::PseudoScrollbar:
dynamicPseudo = RenderStyle::SCROLLBAR;
return true;
case CSSSelector::PseudoScrollbarButton:
dynamicPseudo = RenderStyle::SCROLLBAR_BUTTON;
return true;
case CSSSelector::PseudoScrollbarCorner:
dynamicPseudo = RenderStyle::SCROLLBAR_CORNER;
return true;
case CSSSelector::PseudoScrollbarThumb:
dynamicPseudo = RenderStyle::SCROLLBAR_THUMB;
return true;
case CSSSelector::PseudoScrollbarTrack:
dynamicPseudo = RenderStyle::SCROLLBAR_TRACK;
return true;
case CSSSelector::PseudoScrollbarTrackPiece:
dynamicPseudo = RenderStyle::SCROLLBAR_TRACK_PIECE;
return true;
case CSSSelector::PseudoResizer:
dynamicPseudo = RenderStyle::RESIZER;
return true;
case CSSSelector::PseudoUnknown:
case CSSSelector::PseudoNotParsed:
default:
ASSERT_NOT_REACHED();
break;
}
return false;
}
// ### add the rest of the checks...
return true;
}
bool CSSStyleSelector::SelectorChecker::checkScrollbarPseudoClass(CSSSelector* sel, RenderStyle::PseudoId&) const
{
RenderScrollbar* scrollbar = RenderScrollbar::scrollbarForStyleResolve();
ScrollbarPart part = RenderScrollbar::partForStyleResolve();
// FIXME: This is a temporary hack for resizers and scrollbar corners. Eventually :window-inactive should become a real
// pseudo class and just apply to everything.
if (sel->pseudoType() == CSSSelector::PseudoWindowInactive)
return !m_document->page()->focusController()->isActive();
if (!scrollbar)
return false;
ASSERT(sel->m_match == CSSSelector::PseudoClass);
switch (sel->pseudoType()) {
case CSSSelector::PseudoEnabled:
return scrollbar->enabled();
case CSSSelector::PseudoDisabled:
return !scrollbar->enabled();
case CSSSelector::PseudoHover: {
ScrollbarPart hoveredPart = scrollbar->hoveredPart();
if (part == ScrollbarBGPart)
return hoveredPart != NoPart;
if (part == TrackBGPart)
return hoveredPart == BackTrackPart || hoveredPart == ForwardTrackPart || hoveredPart == ThumbPart;
return part == hoveredPart;
}
case CSSSelector::PseudoActive: {
ScrollbarPart pressedPart = scrollbar->pressedPart();
if (part == ScrollbarBGPart)
return pressedPart != NoPart;
if (part == TrackBGPart)
return pressedPart == BackTrackPart || pressedPart == ForwardTrackPart || pressedPart == ThumbPart;
return part == pressedPart;
}
case CSSSelector::PseudoHorizontal:
return scrollbar->orientation() == HorizontalScrollbar;
case CSSSelector::PseudoVertical:
return scrollbar->orientation() == VerticalScrollbar;
case CSSSelector::PseudoDecrement:
return part == BackButtonStartPart || part == BackButtonEndPart || part == BackTrackPart;
case CSSSelector::PseudoIncrement:
return part == ForwardButtonStartPart || part == ForwardButtonEndPart || part == ForwardTrackPart;
case CSSSelector::PseudoStart:
return part == BackButtonStartPart || part == ForwardButtonStartPart || part == BackTrackPart;
case CSSSelector::PseudoEnd:
return part == BackButtonEndPart || part == ForwardButtonEndPart || part == ForwardTrackPart;
case CSSSelector::PseudoDoubleButton: {
ScrollbarButtonsPlacement buttonsPlacement = scrollbar->theme()->buttonsPlacement();
if (part == BackButtonStartPart || part == ForwardButtonStartPart || part == BackTrackPart)
return buttonsPlacement == ScrollbarButtonsDoubleStart || buttonsPlacement == ScrollbarButtonsDoubleBoth;
if (part == BackButtonEndPart || part == ForwardButtonEndPart || part == ForwardTrackPart)
return buttonsPlacement == ScrollbarButtonsDoubleEnd || buttonsPlacement == ScrollbarButtonsDoubleBoth;
return false;
}
case CSSSelector::PseudoSingleButton: {
ScrollbarButtonsPlacement buttonsPlacement = scrollbar->theme()->buttonsPlacement();
if (part == BackButtonStartPart || part == ForwardButtonEndPart || part == BackTrackPart || part == ForwardTrackPart)
return buttonsPlacement == ScrollbarButtonsSingle;
return false;
}
case CSSSelector::PseudoNoButton: {
ScrollbarButtonsPlacement buttonsPlacement = scrollbar->theme()->buttonsPlacement();
if (part == BackTrackPart)
return buttonsPlacement == ScrollbarButtonsNone || buttonsPlacement == ScrollbarButtonsDoubleEnd;
if (part == ForwardTrackPart)
return buttonsPlacement == ScrollbarButtonsNone || buttonsPlacement == ScrollbarButtonsDoubleStart;
return false;
}
case CSSSelector::PseudoCornerPresent:
return scrollbar->client()->scrollbarCornerPresent();
default:
return false;
}
}
void CSSStyleSelector::addVariables(CSSVariablesRule* variables)
{
CSSVariablesDeclaration* decl = variables->variables();
if (!decl)
return;
unsigned size = decl->length();
for (unsigned i = 0; i < size; ++i) {
String name = decl->item(i);
m_variablesMap.set(name, variables);
}
}
CSSValue* CSSStyleSelector::resolveVariableDependentValue(CSSVariableDependentValue*)
{
return 0;
}
// -----------------------------------------------------------------
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, const MediaQueryEvaluator& medium, CSSStyleSelector* styleSelector)
{
if (!sheet)
return;
// No media implies "all", but if a media list exists it must
// contain our current medium
if (sheet->media() && !medium.eval(sheet->media(), styleSelector))
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->selectorList().first(); s; s = CSSSelectorList::next(s))
addRule(rule, s);
}
else if (item->isImportRule()) {
CSSImportRule* import = static_cast<CSSImportRule*>(item);
if (!import->media() || medium.eval(import->media(), styleSelector))
addRulesFromSheet(import->styleSheet(), medium, styleSelector);
}
else if (item->isMediaRule()) {
CSSMediaRule* r = static_cast<CSSMediaRule*>(item);
CSSRuleList* rules = r->cssRules();
if ((!r->media() || medium.eval(r->media(), styleSelector)) && 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->selectorList().first(); s; s = CSSSelectorList::next(s))
addRule(rule, s);
} else if (childItem->isFontFaceRule() && styleSelector) {
// Add this font face to our set.
const CSSFontFaceRule* fontFaceRule = static_cast<CSSFontFaceRule*>(childItem);
styleSelector->fontSelector()->addFontFaceRule(fontFaceRule);
} else if (childItem->isKeyframesRule() && styleSelector) {
// Add this keyframe rule to our set.
styleSelector->addKeyframeStyle(static_cast<WebKitCSSKeyframesRule*>(childItem));
}
} // for rules
} // if rules
} else if (item->isFontFaceRule() && styleSelector) {
// Add this font face to our set.
const CSSFontFaceRule* fontFaceRule = static_cast<CSSFontFaceRule*>(item);
styleSelector->fontSelector()->addFontFaceRule(fontFaceRule);
} else if (item->isVariablesRule()) {
// Evaluate the media query and make sure it matches.
CSSVariablesRule* variables = static_cast<CSSVariablesRule*>(item);
if (!variables->media() || medium.eval(variables->media(), styleSelector))
styleSelector->addVariables(variables);
} else if (item->isKeyframesRule())
styleSelector->addKeyframeStyle(static_cast<WebKitCSSKeyframesRule*>(item));
}
}
// -------------------------------------------------------------------------------------
// 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)
{
// This function is tolerant of a null style value. The only place style is used is in
// length measurements, like 'ems' and 'px'. And in those cases style is only used
// when the units are EMS or EXS. So we will just fail in those cases.
Length l;
if (!primitiveValue) {
if (ok)
*ok = false;
} else {
int type = primitiveValue->primitiveType();
if (!style && (type == CSSPrimitiveValue::CSS_EMS || type == CSSPrimitiveValue::CSS_EXS)) {
if (ok)
*ok = false;
} else 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];
CSSMutableStyleDeclaration::const_iterator end = decl->end();
for (CSSMutableStyleDeclaration::const_iterator it = decl->begin(); 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 CSSPropertyLineHeight:
m_lineHeightValue = current.value();
first = !applyFirst; // we apply line-height later
break;
case CSSPropertyColor:
case CSSPropertyDirection:
case CSSPropertyDisplay:
case CSSPropertyFont:
case CSSPropertyFontSize:
case CSSPropertyFontStyle:
case CSSPropertyFontFamily:
case CSSPropertyFontWeight:
case CSSPropertyWebkitTextSizeAdjust:
case CSSPropertyFontVariant:
case CSSPropertyZoom:
// 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->itemWithoutBoundsCheck(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::applyPropertyToStyle(int id, CSSValue *value, RenderStyle* style)
{
initElementAndPseudoState(0);
initForStyleResolve(0, style);
m_style = style;
applyProperty(id, value);
}
void CSSStyleSelector::applyProperty(int id, CSSValue *value)
{
CSSPrimitiveValue* primitiveValue = 0;
if (value->isPrimitiveValue())
primitiveValue = static_cast<CSSPrimitiveValue*>(value);
float zoomFactor = m_style->effectiveZoom();
Length l;
bool apply = false;
unsigned short valueType = value->cssValueType();
bool isInherit = m_parentNode && valueType == CSSValue::CSS_INHERIT;
bool isInitial = valueType == CSSValue::CSS_INITIAL || (!m_parentNode && valueType == CSSValue::CSS_INHERIT);
// These properties are used to set the correct margins/padding on RTL lists.
if (id == CSSPropertyWebkitMarginStart)
id = m_style->direction() == LTR ? CSSPropertyMarginLeft : CSSPropertyMarginRight;
else if (id == CSSPropertyWebkitPaddingStart)
id = m_style->direction() == LTR ? CSSPropertyPaddingLeft : CSSPropertyPaddingRight;
// 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 CSSPropertyBackgroundAttachment:
HANDLE_BACKGROUND_VALUE(attachment, Attachment, value)
return;
case CSSPropertyWebkitBackgroundClip:
HANDLE_BACKGROUND_VALUE(clip, Clip, value)
return;
case CSSPropertyWebkitBackgroundComposite:
HANDLE_BACKGROUND_VALUE(composite, Composite, value)
return;
case CSSPropertyWebkitBackgroundOrigin:
HANDLE_BACKGROUND_VALUE(origin, Origin, value)
return;
case CSSPropertyBackgroundRepeat:
HANDLE_BACKGROUND_VALUE(repeat, Repeat, value)
return;
case CSSPropertyWebkitBackgroundSize:
HANDLE_BACKGROUND_VALUE(size, Size, value)
return;
case CSSPropertyWebkitMaskAttachment:
HANDLE_MASK_VALUE(attachment, Attachment, value)
return;
case CSSPropertyWebkitMaskClip:
HANDLE_MASK_VALUE(clip, Clip, value)
return;
case CSSPropertyWebkitMaskComposite:
HANDLE_MASK_VALUE(composite, Composite, value)
return;
case CSSPropertyWebkitMaskOrigin:
HANDLE_MASK_VALUE(origin, Origin, value)
return;
case CSSPropertyWebkitMaskRepeat:
HANDLE_MASK_VALUE(repeat, Repeat, value)
return;
case CSSPropertyWebkitMaskSize:
HANDLE_MASK_VALUE(size, Size, value)
return;
case CSSPropertyBorderCollapse:
HANDLE_INHERIT_AND_INITIAL(borderCollapse, BorderCollapse)
if (!primitiveValue)
return;
switch (primitiveValue->getIdent()) {
case CSSValueCollapse:
m_style->setBorderCollapse(true);
break;
case CSSValueSeparate:
m_style->setBorderCollapse(false);
break;
default:
return;
}
return;
case CSSPropertyBorderTopStyle:
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(borderTopStyle, BorderTopStyle, BorderStyle)
if (primitiveValue)
m_style->setBorderTopStyle(*primitiveValue);
return;
case CSSPropertyBorderRightStyle:
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(borderRightStyle, BorderRightStyle, BorderStyle)
if (primitiveValue)
m_style->setBorderRightStyle(*primitiveValue);
return;
case CSSPropertyBorderBottomStyle:
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(borderBottomStyle, BorderBottomStyle, BorderStyle)
if (primitiveValue)
m_style->setBorderBottomStyle(*primitiveValue);
return;
case CSSPropertyBorderLeftStyle:
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(borderLeftStyle, BorderLeftStyle, BorderStyle)
if (primitiveValue)
m_style->setBorderLeftStyle(*primitiveValue);
return;
case CSSPropertyOutlineStyle:
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(outlineStyle, OutlineStyle, BorderStyle)
if (primitiveValue) {
if (primitiveValue->getIdent() == CSSValueAuto)
m_style->setOutlineStyle(DOTTED, true);
else
m_style->setOutlineStyle(*primitiveValue);
}
return;
case CSSPropertyCaptionSide:
{
HANDLE_INHERIT_AND_INITIAL(captionSide, CaptionSide)
if (primitiveValue)
m_style->setCaptionSide(*primitiveValue);
return;
}
case CSSPropertyClear:
{
HANDLE_INHERIT_AND_INITIAL(clear, Clear)
if (primitiveValue)
m_style->setClear(*primitiveValue);
return;
}
case CSSPropertyDirection:
{
HANDLE_INHERIT_AND_INITIAL(direction, Direction)
if (primitiveValue)
m_style->setDirection(*primitiveValue);
return;
}
case CSSPropertyDisplay:
{
HANDLE_INHERIT_AND_INITIAL(display, Display)
if (primitiveValue)
m_style->setDisplay(*primitiveValue);
return;
}
case CSSPropertyEmptyCells:
{
HANDLE_INHERIT_AND_INITIAL(emptyCells, EmptyCells)
if (primitiveValue)
m_style->setEmptyCells(*primitiveValue);
return;
}
case CSSPropertyFloat:
{
HANDLE_INHERIT_AND_INITIAL(floating, Floating)
if (primitiveValue)
m_style->setFloating(*primitiveValue);
return;
}
case CSSPropertyFontStyle:
{
FontDescription fontDescription = m_style->fontDescription();
if (isInherit)
fontDescription.setItalic(m_parentStyle->fontDescription().italic());
else if (isInitial)
fontDescription.setItalic(false);
else {
if (!primitiveValue)
return;
switch (primitiveValue->getIdent()) {
case CSSValueOblique:
// FIXME: oblique is the same as italic for the moment...
case CSSValueItalic:
fontDescription.setItalic(true);
break;
case CSSValueNormal:
fontDescription.setItalic(false);
break;
default:
return;
}
}
if (m_style->setFontDescription(fontDescription))
m_fontDirty = true;
return;
}
case CSSPropertyFontVariant:
{
FontDescription fontDescription = m_style->fontDescription();
if (isInherit)
fontDescription.setSmallCaps(m_parentStyle->fontDescription().smallCaps());
else if (isInitial)
fontDescription.setSmallCaps(false);
else {
if (!primitiveValue)
return;
int id = primitiveValue->getIdent();
if (id == CSSValueNormal)
fontDescription.setSmallCaps(false);
else if (id == CSSValueSmallCaps)
fontDescription.setSmallCaps(true);
else
return;
}
if (m_style->setFontDescription(fontDescription))
m_fontDirty = true;
return;
}
case CSSPropertyFontWeight:
{
FontDescription fontDescription = m_style->fontDescription();
if (isInherit)
fontDescription.setWeight(m_parentStyle->fontDescription().weight());
else if (isInitial)
fontDescription.setWeight(FontWeightNormal);
else {
if (!primitiveValue)
return;
if (primitiveValue->getIdent()) {
switch (primitiveValue->getIdent()) {
case CSSValueBolder:
fontDescription.setWeight(fontDescription.bolderWeight());
break;
case CSSValueLighter:
fontDescription.setWeight(fontDescription.lighterWeight());
break;
case CSSValueBold:
case CSSValue700:
fontDescription.setWeight(FontWeightBold);
break;
case CSSValueNormal:
case CSSValue400:
fontDescription.setWeight(FontWeightNormal);
break;
case CSSValue900:
fontDescription.setWeight(FontWeight900);
break;
case CSSValue800:
fontDescription.setWeight(FontWeight800);
break;
case CSSValue600:
fontDescription.setWeight(FontWeight600);
break;
case CSSValue500:
fontDescription.setWeight(FontWeight500);
break;
case CSSValue300:
fontDescription.setWeight(FontWeight300);
break;
case CSSValue200:
fontDescription.setWeight(FontWeight200);
break;
case CSSValue100:
fontDescription.setWeight(FontWeight100);
break;
default:
return;
}
} else
ASSERT_NOT_REACHED();
}
if (m_style->setFontDescription(fontDescription))
m_fontDirty = true;
return;
}
case CSSPropertyListStylePosition:
{
HANDLE_INHERIT_AND_INITIAL(listStylePosition, ListStylePosition)
if (primitiveValue)
m_style->setListStylePosition(*primitiveValue);
return;
}
case CSSPropertyListStyleType:
{
HANDLE_INHERIT_AND_INITIAL(listStyleType, ListStyleType)
if (primitiveValue)
m_style->setListStyleType(*primitiveValue);
return;
}
case CSSPropertyOverflow:
{
if (isInherit) {
m_style->setOverflowX(m_parentStyle->overflowX());
m_style->setOverflowY(m_parentStyle->overflowY());
return;
}
if (isInitial) {
m_style->setOverflowX(RenderStyle::initialOverflowX());
m_style->setOverflowY(RenderStyle::initialOverflowY());
return;
}
EOverflow o = *primitiveValue;
m_style->setOverflowX(o);
m_style->setOverflowY(o);
return;
}
case CSSPropertyOverflowX:
{
HANDLE_INHERIT_AND_INITIAL(overflowX, OverflowX)
m_style->setOverflowX(*primitiveValue);
return;
}
case CSSPropertyOverflowY:
{
HANDLE_INHERIT_AND_INITIAL(overflowY, OverflowY)
m_style->setOverflowY(*primitiveValue);
return;
}
case CSSPropertyPageBreakBefore:
{
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(pageBreakBefore, PageBreakBefore, PageBreak)
if (primitiveValue)
m_style->setPageBreakBefore(*primitiveValue);
return;
}
case CSSPropertyPageBreakAfter:
{
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(pageBreakAfter, PageBreakAfter, PageBreak)
if (primitiveValue)
m_style->setPageBreakAfter(*primitiveValue);
return;
}
case CSSPropertyPageBreakInside: {
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(pageBreakInside, PageBreakInside, PageBreak)
if (!primitiveValue)
return;
EPageBreak pageBreak = *primitiveValue;
if (pageBreak != PBALWAYS)
m_style->setPageBreakInside(pageBreak);
return;
}
case CSSPropertyPosition:
{
HANDLE_INHERIT_AND_INITIAL(position, Position)
if (primitiveValue)
m_style->setPosition(*primitiveValue);
return;
}
case CSSPropertyTableLayout: {
HANDLE_INHERIT_AND_INITIAL(tableLayout, TableLayout)
ETableLayout l = *primitiveValue;
if (l == TAUTO)
l = RenderStyle::initialTableLayout();
m_style->setTableLayout(l);
return;
}
case CSSPropertyUnicodeBidi: {
HANDLE_INHERIT_AND_INITIAL(unicodeBidi, UnicodeBidi)
m_style->setUnicodeBidi(*primitiveValue);
return;
}
case CSSPropertyTextTransform: {
HANDLE_INHERIT_AND_INITIAL(textTransform, TextTransform)
m_style->setTextTransform(*primitiveValue);
return;
}
case CSSPropertyVisibility:
{
HANDLE_INHERIT_AND_INITIAL(visibility, Visibility)
m_style->setVisibility(*primitiveValue);
return;
}
case CSSPropertyWhiteSpace:
HANDLE_INHERIT_AND_INITIAL(whiteSpace, WhiteSpace)
m_style->setWhiteSpace(*primitiveValue);
return;
case CSSPropertyBackgroundPosition:
HANDLE_BACKGROUND_INHERIT_AND_INITIAL(xPosition, XPosition);
HANDLE_BACKGROUND_INHERIT_AND_INITIAL(yPosition, YPosition);
return;
case CSSPropertyBackgroundPositionX: {
HANDLE_BACKGROUND_VALUE(xPosition, XPosition, value)
return;
}
case CSSPropertyBackgroundPositionY: {
HANDLE_BACKGROUND_VALUE(yPosition, YPosition, value)
return;
}
case CSSPropertyWebkitMaskPosition:
HANDLE_MASK_INHERIT_AND_INITIAL(xPosition, XPosition);
HANDLE_MASK_INHERIT_AND_INITIAL(yPosition, YPosition);
return;
case CSSPropertyWebkitMaskPositionX: {
HANDLE_MASK_VALUE(xPosition, XPosition, value)
return;
}
case CSSPropertyWebkitMaskPositionY: {
HANDLE_MASK_VALUE(yPosition, YPosition, value)
return;
}
case CSSPropertyBorderSpacing: {
if (isInherit) {
m_style->setHorizontalBorderSpacing(m_parentStyle->horizontalBorderSpacing());
m_style->setVerticalBorderSpacing(m_parentStyle->verticalBorderSpacing());
}
else if (isInitial) {
m_style->setHorizontalBorderSpacing(0);
m_style->setVerticalBorderSpacing(0);
}
return;
}
case CSSPropertyWebkitBorderHorizontalSpacing: {
HANDLE_INHERIT_AND_INITIAL(horizontalBorderSpacing, HorizontalBorderSpacing)
if (!primitiveValue)
return;
short spacing = primitiveValue->computeLengthShort(style(), zoomFactor);
m_style->setHorizontalBorderSpacing(spacing);
return;
}
case CSSPropertyWebkitBorderVerticalSpacing: {
HANDLE_INHERIT_AND_INITIAL(verticalBorderSpacing, VerticalBorderSpacing)
if (!primitiveValue)
return;
short spacing = primitiveValue->computeLengthShort(style(), zoomFactor);
m_style->setVerticalBorderSpacing(spacing);
return;
}
case CSSPropertyCursor:
if (isInherit) {
m_style->setCursor(m_parentStyle->cursor());
m_style->setCursorList(m_parentStyle->cursors());
return;
}
m_style->clearCursorList();
if (isInitial) {
m_style->setCursor(RenderStyle::initialCursor());
return;
}
if (value->isValueList()) {
CSSValueList* list = static_cast<CSSValueList*>(value);
int len = list->length();
m_style->setCursor(CURSOR_AUTO);
for (int i = 0; i < len; i++) {
CSSValue* item = list->itemWithoutBoundsCheck(i);
if (!item->isPrimitiveValue())
continue;
primitiveValue = static_cast<CSSPrimitiveValue*>(item);
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_URI) {
CSSCursorImageValue* image = static_cast<CSSCursorImageValue*>(primitiveValue);
if (image->updateIfSVGCursorIsUsed(m_element)) // Elements with SVG cursors are not allowed to share style.
m_style->setUnique();
// FIXME: Temporary clumsiness to pass off a CachedImage to an API that will eventually convert to using
// StyleImage.
RefPtr<StyleCachedImage> styleCachedImage(image->cachedImage(m_element->document()->docLoader()));
if (styleCachedImage)
m_style->addCursor(styleCachedImage->cachedImage(), image->hotspot());
} else if (type == CSSPrimitiveValue::CSS_IDENT)
m_style->setCursor(*primitiveValue);
}
} else if (primitiveValue) {
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_IDENT && m_style->cursor() != ECursor(*primitiveValue))
m_style->setCursor(*primitiveValue);
}
return;
// colors || inherit
case CSSPropertyColor:
// If the 'currentColor' keyword is set on the 'color' property itself,
// it is treated as 'color:inherit' at parse time
if (primitiveValue && primitiveValue->getIdent() == CSSValueCurrentcolor)
isInherit = true;
case CSSPropertyBackgroundColor:
case CSSPropertyBorderTopColor:
case CSSPropertyBorderRightColor:
case CSSPropertyBorderBottomColor:
case CSSPropertyBorderLeftColor:
case CSSPropertyOutlineColor:
case CSSPropertyWebkitColumnRuleColor:
case CSSPropertyWebkitTextStrokeColor:
case CSSPropertyWebkitTextFillColor: {
Color col;
if (isInherit) {
HANDLE_INHERIT_COND(CSSPropertyBackgroundColor, backgroundColor, BackgroundColor)
HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyBorderTopColor, borderTopColor, color, BorderTopColor)
HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyBorderBottomColor, borderBottomColor, color, BorderBottomColor)
HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyBorderRightColor, borderRightColor, color, BorderRightColor)
HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyBorderLeftColor, borderLeftColor, color, BorderLeftColor)
HANDLE_INHERIT_COND(CSSPropertyColor, color, Color)
HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyOutlineColor, outlineColor, color, OutlineColor)
HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyWebkitColumnRuleColor, columnRuleColor, color, ColumnRuleColor)
HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyWebkitTextStrokeColor, textStrokeColor, color, TextStrokeColor)
HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyWebkitTextFillColor, textFillColor, color, 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 == CSSPropertyColor)
col = RenderStyle::initialColor();
} else {
if (!primitiveValue)
return;
col = getColorFromPrimitiveValue(primitiveValue);
}
switch (id) {
case CSSPropertyBackgroundColor:
m_style->setBackgroundColor(col);
break;
case CSSPropertyBorderTopColor:
m_style->setBorderTopColor(col);
break;
case CSSPropertyBorderRightColor:
m_style->setBorderRightColor(col);
break;
case CSSPropertyBorderBottomColor:
m_style->setBorderBottomColor(col);
break;
case CSSPropertyBorderLeftColor:
m_style->setBorderLeftColor(col);
break;
case CSSPropertyColor:
m_style->setColor(col);
break;
case CSSPropertyOutlineColor:
m_style->setOutlineColor(col);
break;
case CSSPropertyWebkitColumnRuleColor:
m_style->setColumnRuleColor(col);
break;
case CSSPropertyWebkitTextStrokeColor:
m_style->setTextStrokeColor(col);
break;
case CSSPropertyWebkitTextFillColor:
m_style->setTextFillColor(col);
break;
}
return;
}
// uri || inherit
case CSSPropertyBackgroundImage:
HANDLE_BACKGROUND_VALUE(image, Image, value)
return;
case CSSPropertyWebkitMaskImage:
HANDLE_MASK_VALUE(image, Image, value)
return;
case CSSPropertyListStyleImage:
{
HANDLE_INHERIT_AND_INITIAL(listStyleImage, ListStyleImage)
m_style->setListStyleImage(styleImage(value));
return;
}
// length
case CSSPropertyBorderTopWidth:
case CSSPropertyBorderRightWidth:
case CSSPropertyBorderBottomWidth:
case CSSPropertyBorderLeftWidth:
case CSSPropertyOutlineWidth:
case CSSPropertyWebkitColumnRuleWidth:
{
if (isInherit) {
HANDLE_INHERIT_COND(CSSPropertyBorderTopWidth, borderTopWidth, BorderTopWidth)
HANDLE_INHERIT_COND(CSSPropertyBorderRightWidth, borderRightWidth, BorderRightWidth)
HANDLE_INHERIT_COND(CSSPropertyBorderBottomWidth, borderBottomWidth, BorderBottomWidth)
HANDLE_INHERIT_COND(CSSPropertyBorderLeftWidth, borderLeftWidth, BorderLeftWidth)
HANDLE_INHERIT_COND(CSSPropertyOutlineWidth, outlineWidth, OutlineWidth)
HANDLE_INHERIT_COND(CSSPropertyWebkitColumnRuleWidth, columnRuleWidth, ColumnRuleWidth)
return;
}
else if (isInitial) {
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBorderTopWidth, BorderTopWidth, BorderWidth)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBorderRightWidth, BorderRightWidth, BorderWidth)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBorderBottomWidth, BorderBottomWidth, BorderWidth)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBorderLeftWidth, BorderLeftWidth, BorderWidth)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyOutlineWidth, OutlineWidth, BorderWidth)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWebkitColumnRuleWidth, ColumnRuleWidth, BorderWidth)
return;
}
if (!primitiveValue)
return;
short width = 3;
switch (primitiveValue->getIdent()) {
case CSSValueThin:
width = 1;
break;
case CSSValueMedium:
width = 3;
break;
case CSSValueThick:
width = 5;
break;
case CSSValueInvalid:
width = primitiveValue->computeLengthShort(style(), zoomFactor);
break;
default:
return;
}
if (width < 0) return;
switch (id) {
case CSSPropertyBorderTopWidth:
m_style->setBorderTopWidth(width);
break;
case CSSPropertyBorderRightWidth:
m_style->setBorderRightWidth(width);
break;
case CSSPropertyBorderBottomWidth:
m_style->setBorderBottomWidth(width);
break;
case CSSPropertyBorderLeftWidth:
m_style->setBorderLeftWidth(width);
break;
case CSSPropertyOutlineWidth:
m_style->setOutlineWidth(width);
break;
case CSSPropertyWebkitColumnRuleWidth:
m_style->setColumnRuleWidth(width);
break;
default:
return;
}
return;
}
case CSSPropertyLetterSpacing:
case CSSPropertyWordSpacing:
{
if (isInherit) {
HANDLE_INHERIT_COND(CSSPropertyLetterSpacing, letterSpacing, LetterSpacing)
HANDLE_INHERIT_COND(CSSPropertyWordSpacing, wordSpacing, WordSpacing)
return;
}
else if (isInitial) {
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyLetterSpacing, LetterSpacing, LetterWordSpacing)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWordSpacing, WordSpacing, LetterWordSpacing)
return;
}
int width = 0;
if (primitiveValue && primitiveValue->getIdent() == CSSValueNormal){
width = 0;
} else {
if (!primitiveValue)
return;
width = primitiveValue->computeLengthInt(style(), zoomFactor);
}
switch (id) {
case CSSPropertyLetterSpacing:
m_style->setLetterSpacing(width);
break;
case CSSPropertyWordSpacing:
m_style->setWordSpacing(width);
break;
// ### needs the definitions in renderstyle
default: break;
}
return;
}
case CSSPropertyWordBreak: {
HANDLE_INHERIT_AND_INITIAL(wordBreak, WordBreak)
m_style->setWordBreak(*primitiveValue);
return;
}
case CSSPropertyWordWrap: {
HANDLE_INHERIT_AND_INITIAL(wordWrap, WordWrap)
m_style->setWordWrap(*primitiveValue);
return;
}
case CSSPropertyWebkitNbspMode:
{
HANDLE_INHERIT_AND_INITIAL(nbspMode, NBSPMode)
m_style->setNBSPMode(*primitiveValue);
return;
}
case CSSPropertyWebkitLineBreak:
{
HANDLE_INHERIT_AND_INITIAL(khtmlLineBreak, KHTMLLineBreak)
m_style->setKHTMLLineBreak(*primitiveValue);
return;
}
case CSSPropertyWebkitMatchNearestMailBlockquoteColor:
{
HANDLE_INHERIT_AND_INITIAL(matchNearestMailBlockquoteColor, MatchNearestMailBlockquoteColor)
m_style->setMatchNearestMailBlockquoteColor(*primitiveValue);
return;
}
case CSSPropertyResize:
{
HANDLE_INHERIT_AND_INITIAL(resize, Resize)
if (!primitiveValue->getIdent())
return;
EResize r = RESIZE_NONE;
if (primitiveValue->getIdent() == CSSValueAuto) {
if (Settings* settings = m_checker.m_document->settings())
r = settings->textAreasAreResizable() ? RESIZE_BOTH : RESIZE_NONE;
} else
r = *primitiveValue;
m_style->setResize(r);
return;
}
// length, percent
case CSSPropertyMaxWidth:
// +none +inherit
if (primitiveValue && primitiveValue->getIdent() == CSSValueNone)
apply = true;
case CSSPropertyTop:
case CSSPropertyLeft:
case CSSPropertyRight:
case CSSPropertyBottom:
case CSSPropertyWidth:
case CSSPropertyMinWidth:
case CSSPropertyMarginTop:
case CSSPropertyMarginRight:
case CSSPropertyMarginBottom:
case CSSPropertyMarginLeft:
// +inherit +auto
if (id == CSSPropertyWidth || id == CSSPropertyMinWidth || id == CSSPropertyMaxWidth) {
if (primitiveValue && primitiveValue->getIdent() == CSSValueIntrinsic) {
l = Length(Intrinsic);
apply = true;
}
else if (primitiveValue && primitiveValue->getIdent() == CSSValueMinIntrinsic) {
l = Length(MinIntrinsic);
apply = true;
}
}
if (id != CSSPropertyMaxWidth && primitiveValue && primitiveValue->getIdent() == CSSValueAuto)
apply = true;
case CSSPropertyPaddingTop:
case CSSPropertyPaddingRight:
case CSSPropertyPaddingBottom:
case CSSPropertyPaddingLeft:
case CSSPropertyTextIndent:
// +inherit
{
if (isInherit) {
HANDLE_INHERIT_COND(CSSPropertyMaxWidth, maxWidth, MaxWidth)
HANDLE_INHERIT_COND(CSSPropertyBottom, bottom, Bottom)
HANDLE_INHERIT_COND(CSSPropertyTop, top, Top)
HANDLE_INHERIT_COND(CSSPropertyLeft, left, Left)
HANDLE_INHERIT_COND(CSSPropertyRight, right, Right)
HANDLE_INHERIT_COND(CSSPropertyWidth, width, Width)
HANDLE_INHERIT_COND(CSSPropertyMinWidth, minWidth, MinWidth)
HANDLE_INHERIT_COND(CSSPropertyPaddingTop, paddingTop, PaddingTop)
HANDLE_INHERIT_COND(CSSPropertyPaddingRight, paddingRight, PaddingRight)
HANDLE_INHERIT_COND(CSSPropertyPaddingBottom, paddingBottom, PaddingBottom)
HANDLE_INHERIT_COND(CSSPropertyPaddingLeft, paddingLeft, PaddingLeft)
HANDLE_INHERIT_COND(CSSPropertyMarginTop, marginTop, MarginTop)
HANDLE_INHERIT_COND(CSSPropertyMarginRight, marginRight, MarginRight)
HANDLE_INHERIT_COND(CSSPropertyMarginBottom, marginBottom, MarginBottom)
HANDLE_INHERIT_COND(CSSPropertyMarginLeft, marginLeft, MarginLeft)
HANDLE_INHERIT_COND(CSSPropertyTextIndent, textIndent, TextIndent)
return;
}
else if (isInitial) {
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMaxWidth, MaxWidth, MaxSize)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBottom, Bottom, Offset)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyTop, Top, Offset)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyLeft, Left, Offset)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyRight, Right, Offset)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWidth, Width, Size)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMinWidth, MinWidth, MinSize)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyPaddingTop, PaddingTop, Padding)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyPaddingRight, PaddingRight, Padding)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyPaddingBottom, PaddingBottom, Padding)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyPaddingLeft, PaddingLeft, Padding)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMarginTop, MarginTop, Margin)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMarginRight, MarginRight, Margin)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMarginBottom, MarginBottom, Margin)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMarginLeft, MarginLeft, Margin)
HANDLE_INITIAL_COND(CSSPropertyTextIndent, 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(), zoomFactor), Fixed,
primitiveValue->isQuirkValue());
else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
l = Length(primitiveValue->getDoubleValue(), Percent);
else
return;
if (id == CSSPropertyPaddingLeft || id == CSSPropertyPaddingRight ||
id == CSSPropertyPaddingTop || id == CSSPropertyPaddingBottom)
// Padding can't be negative
apply = !((l.isFixed() || l.isPercent()) && l.calcValue(100) < 0);
else
apply = true;
}
if (!apply) return;
switch (id) {
case CSSPropertyMaxWidth:
m_style->setMaxWidth(l);
break;
case CSSPropertyBottom:
m_style->setBottom(l);
break;
case CSSPropertyTop:
m_style->setTop(l);
break;
case CSSPropertyLeft:
m_style->setLeft(l);
break;
case CSSPropertyRight:
m_style->setRight(l);
break;
case CSSPropertyWidth:
m_style->setWidth(l);
break;
case CSSPropertyMinWidth:
m_style->setMinWidth(l);
break;
case CSSPropertyPaddingTop:
m_style->setPaddingTop(l);
break;
case CSSPropertyPaddingRight:
m_style->setPaddingRight(l);
break;
case CSSPropertyPaddingBottom:
m_style->setPaddingBottom(l);
break;
case CSSPropertyPaddingLeft:
m_style->setPaddingLeft(l);
break;
case CSSPropertyMarginTop:
m_style->setMarginTop(l);
break;
case CSSPropertyMarginRight:
m_style->setMarginRight(l);
break;
case CSSPropertyMarginBottom:
m_style->setMarginBottom(l);
break;
case CSSPropertyMarginLeft:
m_style->setMarginLeft(l);
break;
case CSSPropertyTextIndent:
m_style->setTextIndent(l);
break;
default:
break;
}
return;
}
case CSSPropertyMaxHeight:
if (primitiveValue && primitiveValue->getIdent() == CSSValueNone) {
l = Length(undefinedLength, Fixed);
apply = true;
}
case CSSPropertyHeight:
case CSSPropertyMinHeight:
if (primitiveValue && primitiveValue->getIdent() == CSSValueIntrinsic) {
l = Length(Intrinsic);
apply = true;
} else if (primitiveValue && primitiveValue->getIdent() == CSSValueMinIntrinsic) {
l = Length(MinIntrinsic);
apply = true;
} else if (id != CSSPropertyMaxHeight && primitiveValue && primitiveValue->getIdent() == CSSValueAuto)
apply = true;
if (isInherit) {
HANDLE_INHERIT_COND(CSSPropertyMaxHeight, maxHeight, MaxHeight)
HANDLE_INHERIT_COND(CSSPropertyHeight, height, Height)
HANDLE_INHERIT_COND(CSSPropertyMinHeight, minHeight, MinHeight)
return;
}
if (isInitial) {
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMaxHeight, MaxHeight, MaxSize)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyHeight, Height, Size)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMinHeight, 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(), zoomFactor), Fixed);
else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
l = Length(primitiveValue->getDoubleValue(), Percent);
else
return;
apply = true;
}
if (apply)
switch (id) {
case CSSPropertyMaxHeight:
m_style->setMaxHeight(l);
break;
case CSSPropertyHeight:
m_style->setHeight(l);
break;
case CSSPropertyMinHeight:
m_style->setMinHeight(l);
break;
}
return;
case CSSPropertyVerticalAlign:
HANDLE_INHERIT_AND_INITIAL(verticalAlign, VerticalAlign)
if (!primitiveValue)
return;
if (primitiveValue->getIdent()) {
EVerticalAlign align;
switch (primitiveValue->getIdent()) {
case CSSValueTop:
align = TOP; break;
case CSSValueBottom:
align = BOTTOM; break;
case CSSValueMiddle:
align = MIDDLE; break;
case CSSValueBaseline:
align = BASELINE; break;
case CSSValueTextBottom:
align = TEXT_BOTTOM; break;
case CSSValueTextTop:
align = TEXT_TOP; break;
case CSSValueSub:
align = SUB; break;
case CSSValueSuper:
align = SUPER; break;
case CSSValueWebkitBaselineMiddle:
align = BASELINE_MIDDLE; break;
default:
return;
}
m_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(), zoomFactor), Fixed);
else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
l = Length(primitiveValue->getDoubleValue(), Percent);
m_style->setVerticalAlign(LENGTH);
m_style->setVerticalAlignLength(l);
}
return;
case CSSPropertyFontSize:
{
FontDescription fontDescription = m_style->fontDescription();
fontDescription.setKeywordSize(0);
bool familyIsFixed = fontDescription.genericFamily() == FontDescription::MonospaceFamily;
float oldSize = 0;
float size = 0;
bool parentIsAbsoluteSize = false;
if (m_parentNode) {
oldSize = m_parentStyle->fontDescription().specifiedSize();
parentIsAbsoluteSize = m_parentStyle->fontDescription().isAbsoluteSize();
}
if (isInherit) {
size = oldSize;
if (m_parentNode)
fontDescription.setKeywordSize(m_parentStyle->fontDescription().keywordSize());
} else if (isInitial) {
size = fontSizeForKeyword(CSSValueMedium, m_style->htmlHacks(), familyIsFixed);
fontDescription.setKeywordSize(CSSValueMedium - CSSValueXxSmall + 1);
} else if (primitiveValue->getIdent()) {
// Keywords are being used.
switch (primitiveValue->getIdent()) {
case CSSValueXxSmall:
case CSSValueXSmall:
case CSSValueSmall:
case CSSValueMedium:
case CSSValueLarge:
case CSSValueXLarge:
case CSSValueXxLarge:
case CSSValueWebkitXxxLarge:
size = fontSizeForKeyword(primitiveValue->getIdent(), m_style->htmlHacks(), familyIsFixed);
fontDescription.setKeywordSize(primitiveValue->getIdent() - CSSValueXxSmall + 1);
break;
case CSSValueLarger:
size = largerFontSize(oldSize, m_style->htmlHacks());
break;
case CSSValueSmaller:
size = smallerFontSize(oldSize, m_style->htmlHacks());
break;
default:
return;
}
fontDescription.setIsAbsoluteSize(parentIsAbsoluteSize &&
(primitiveValue->getIdent() == CSSValueLarger ||
primitiveValue->getIdent() == CSSValueSmaller));
} 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(m_parentStyle, true);
else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
size = (primitiveValue->getFloatValue() * oldSize) / 100.0f;
else
return;
}
if (size < 0)
return;
setFontSize(fontDescription, size);
if (m_style->setFontDescription(fontDescription))
m_fontDirty = true;
return;
}
case CSSPropertyZIndex: {
if (isInherit) {
if (m_parentStyle->hasAutoZIndex())
m_style->setHasAutoZIndex();
else
m_style->setZIndex(m_parentStyle->zIndex());
return;
} else if (isInitial || primitiveValue->getIdent() == CSSValueAuto) {
m_style->setHasAutoZIndex();
return;
}
// FIXME: Should clamp all sorts of other integer properties too.
const double minIntAsDouble = INT_MIN;
const double maxIntAsDouble = INT_MAX;
m_style->setZIndex(static_cast<int>(max(minIntAsDouble, min(primitiveValue->getDoubleValue(), maxIntAsDouble))));
return;
}
case CSSPropertyWidows:
{
HANDLE_INHERIT_AND_INITIAL(widows, Widows)
if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return;
m_style->setWidows(primitiveValue->getIntValue());
return;
}
case CSSPropertyOrphans:
{
HANDLE_INHERIT_AND_INITIAL(orphans, Orphans)
if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return;
m_style->setOrphans(primitiveValue->getIntValue());
return;
}
// length, percent, number
case CSSPropertyLineHeight:
{
HANDLE_INHERIT_AND_INITIAL(lineHeight, LineHeight)
if (!primitiveValue)
return;
Length lineHeight;
int type = primitiveValue->primitiveType();
if (primitiveValue->getIdent() == CSSValueNormal)
lineHeight = Length(-100.0, Percent);
else if (type > CSSPrimitiveValue::CSS_PERCENTAGE && type < CSSPrimitiveValue::CSS_DEG) {
double multiplier = m_style->effectiveZoom();
if (m_style->textSizeAdjust() && m_checker.m_document->frame() && m_checker.m_document->frame()->shouldApplyTextZoom())
multiplier *= m_checker.m_document->frame()->textZoomFactor();
lineHeight = Length(primitiveValue->computeLengthIntForLength(style(), multiplier), Fixed);
} else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
lineHeight = Length((m_style->fontSize() * primitiveValue->getIntValue()) / 100, Fixed);
else if (type == CSSPrimitiveValue::CSS_NUMBER)
lineHeight = Length(primitiveValue->getDoubleValue() * 100.0, Percent);
else
return;
m_style->setLineHeight(lineHeight);
return;
}
// string
case CSSPropertyTextAlign:
{
HANDLE_INHERIT_AND_INITIAL(textAlign, TextAlign)
if (!primitiveValue)
return;
int id = primitiveValue->getIdent();
if (id == CSSValueStart)
m_style->setTextAlign(m_style->direction() == LTR ? LEFT : RIGHT);
else if (id == CSSValueEnd)
m_style->setTextAlign(m_style->direction() == LTR ? RIGHT : LEFT);
else
m_style->setTextAlign(*primitiveValue);
return;
}
// rect
case CSSPropertyClip:
{
Length top;
Length right;
Length bottom;
Length left;
bool hasClip = true;
if (isInherit) {
if (m_parentStyle->hasClip()) {
top = m_parentStyle->clipTop();
right = m_parentStyle->clipRight();
bottom = m_parentStyle->clipBottom();
left = m_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() != CSSValueAuto) {
return;
}
m_style->setClip(top, right, bottom, left);
m_style->setHasClip(hasClip);
// rect, ident
return;
}
// lists
case CSSPropertyContent:
// 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) {
m_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->itemWithoutBoundsCheck(i);
if (item->isImageGeneratorValue()) {
m_style->setContent(static_cast<CSSImageGeneratorValue*>(item)->generatedImage(), didSet);
didSet = true;
}
if (!item->isPrimitiveValue())
continue;
CSSPrimitiveValue* val = static_cast<CSSPrimitiveValue*>(item);
switch (val->primitiveType()) {
case CSSPrimitiveValue::CSS_STRING:
m_style->setContent(val->getStringValue().impl(), didSet);
didSet = true;
break;
case CSSPrimitiveValue::CSS_ATTR: {
// FIXME: Can a namespace be specified for an attr(foo)?
if (m_style->styleType() == RenderStyle::NOPSEUDO)
m_style->setUnique();
else
m_parentStyle->setUnique();
QualifiedName attr(nullAtom, val->getStringValue().impl(), nullAtom);
m_style->setContent(m_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);
m_style->setContent(image->cachedImage(m_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());
m_style->setContent(counter, didSet);
didSet = true;
}
}
}
if (!didSet)
m_style->clearContent();
return;
}
case CSSPropertyCounterIncrement:
applyCounterList(style(), value->isValueList() ? static_cast<CSSValueList*>(value) : 0, false);
return;
case CSSPropertyCounterReset:
applyCounterList(style(), value->isValueList() ? static_cast<CSSValueList*>(value) : 0, true);
return;
case CSSPropertyFontFamily: {
// list of strings and ids
if (isInherit) {
FontDescription parentFontDescription = m_parentStyle->fontDescription();
FontDescription fontDescription = m_style->fontDescription();
fontDescription.setGenericFamily(parentFontDescription.genericFamily());
fontDescription.setFamily(parentFontDescription.firstFamily());
if (m_style->setFontDescription(fontDescription))
m_fontDirty = true;
return;
}
else if (isInitial) {
FontDescription initialDesc = FontDescription();
FontDescription fontDescription = m_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(CSSValueXxSmall + fontDescription.keywordSize() - 1, m_style->htmlHacks(), false));
fontDescription.setGenericFamily(initialDesc.genericFamily());
if (!initialDesc.firstFamily().familyIsEmpty())
fontDescription.setFamily(initialDesc.firstFamily());
if (m_style->setFontDescription(fontDescription))
m_fontDirty = true;
return;
}
if (!value->isValueList()) return;
FontDescription fontDescription = m_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->itemWithoutBoundsCheck(i);
if (!item->isPrimitiveValue()) continue;
CSSPrimitiveValue *val = static_cast<CSSPrimitiveValue*>(item);
AtomicString face;
Settings* settings = m_checker.m_document->settings();
if (val->primitiveType() == CSSPrimitiveValue::CSS_STRING)
face = static_cast<FontFamilyValue*>(val)->familyName();
else if (val->primitiveType() == CSSPrimitiveValue::CSS_IDENT && settings) {
switch (val->getIdent()) {
case CSSValueWebkitBody:
face = settings->standardFontFamily();
break;
case CSSValueSerif:
face = "-webkit-serif";
fontDescription.setGenericFamily(FontDescription::SerifFamily);
break;
case CSSValueSansSerif:
face = "-webkit-sans-serif";
fontDescription.setGenericFamily(FontDescription::SansSerifFamily);
break;
case CSSValueCursive:
face = "-webkit-cursive";
fontDescription.setGenericFamily(FontDescription::CursiveFamily);
break;
case CSSValueFantasy:
face = "-webkit-fantasy";
fontDescription.setGenericFamily(FontDescription::FantasyFamily);
break;
case CSSValueMonospace:
face = "-webkit-monospace";
fontDescription.setGenericFamily(FontDescription::MonospaceFamily);
break;
}
}
if (!face.isEmpty()) {
if (!currFamily) {
// Filling in the first family.
firstFamily.setFamily(face);
currFamily = &firstFamily;
}
else {
RefPtr<SharedFontFamily> newFamily = SharedFontFamily::create();
newFamily->setFamily(face);
currFamily->appendFamily(newFamily);
currFamily = newFamily.get();
}
if (fontDescription.keywordSize() && (fontDescription.genericFamily() == FontDescription::MonospaceFamily) != oldFamilyIsMonospace)
setFontSize(fontDescription, fontSizeForKeyword(CSSValueXxSmall + fontDescription.keywordSize() - 1, m_style->htmlHacks(), !oldFamilyIsMonospace));
if (m_style->setFontDescription(fontDescription))
m_fontDirty = true;
}
}
return;
}
case CSSPropertyTextDecoration: {
// list of ident
HANDLE_INHERIT_AND_INITIAL(textDecoration, TextDecoration)
int t = RenderStyle::initialTextDecoration();
if (primitiveValue && primitiveValue->getIdent() == CSSValueNone) {
// 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->itemWithoutBoundsCheck(i);
if (!item->isPrimitiveValue()) continue;
primitiveValue = static_cast<CSSPrimitiveValue*>(item);
switch (primitiveValue->getIdent()) {
case CSSValueNone:
t = TDNONE; break;
case CSSValueUnderline:
t |= UNDERLINE; break;
case CSSValueOverline:
t |= OVERLINE; break;
case CSSValueLineThrough:
t |= LINE_THROUGH; break;
case CSSValueBlink:
t |= BLINK; break;
default:
return;
}
}
}
m_style->setTextDecoration(t);
return;
}
case CSSPropertyZoom:
{
// Reset the zoom in effect before we do anything. This allows the setZoom method to accurately compute a new
// zoom in effect.
m_style->setEffectiveZoom(m_parentStyle ? m_parentStyle->effectiveZoom() : RenderStyle::initialZoom());
// Now we can handle inherit and initial.
HANDLE_INHERIT_AND_INITIAL(zoom, Zoom)
// Handle normal/reset, numbers and percentages.
int type = primitiveValue->primitiveType();
if (primitiveValue->getIdent() == CSSValueNormal)
m_style->setZoom(RenderStyle::initialZoom());
else if (primitiveValue->getIdent() == CSSValueReset) {
m_style->setEffectiveZoom(RenderStyle::initialZoom());
m_style->setZoom(RenderStyle::initialZoom());
} else if (primitiveValue->getIdent() == CSSValueDocument) {
float docZoom = m_checker.m_document->renderer()->style()->zoom();
m_style->setEffectiveZoom(docZoom);
m_style->setZoom(docZoom);
} else if (type == CSSPrimitiveValue::CSS_PERCENTAGE) {
if (primitiveValue->getFloatValue())
m_style->setZoom(primitiveValue->getFloatValue() / 100.0f);
} else if (type == CSSPrimitiveValue::CSS_NUMBER) {
if (primitiveValue->getFloatValue())
m_style->setZoom(primitiveValue->getFloatValue());
}
m_fontDirty = true;
return;
}
// shorthand properties
case CSSPropertyBackground:
if (isInitial) {
m_style->clearBackgroundLayers();
m_style->setBackgroundColor(Color());
}
else if (isInherit) {
m_style->inheritBackgroundLayers(*m_parentStyle->backgroundLayers());
m_style->setBackgroundColor(m_parentStyle->backgroundColor());
}
return;
case CSSPropertyWebkitMask:
if (isInitial)
m_style->clearMaskLayers();
else if (isInherit)
m_style->inheritMaskLayers(*m_parentStyle->maskLayers());
return;
case CSSPropertyBorder:
case CSSPropertyBorderStyle:
case CSSPropertyBorderWidth:
case CSSPropertyBorderColor:
if (id == CSSPropertyBorder || id == CSSPropertyBorderColor)
{
if (isInherit) {
m_style->setBorderTopColor(m_parentStyle->borderTopColor().isValid() ? m_parentStyle->borderTopColor() : m_parentStyle->color());
m_style->setBorderBottomColor(m_parentStyle->borderBottomColor().isValid() ? m_parentStyle->borderBottomColor() : m_parentStyle->color());
m_style->setBorderLeftColor(m_parentStyle->borderLeftColor().isValid() ? m_parentStyle->borderLeftColor() : m_parentStyle->color());
m_style->setBorderRightColor(m_parentStyle->borderRightColor().isValid() ? m_parentStyle->borderRightColor(): m_parentStyle->color());
}
else if (isInitial) {
m_style->setBorderTopColor(Color()); // Reset to invalid color so currentColor is used instead.
m_style->setBorderBottomColor(Color());
m_style->setBorderLeftColor(Color());
m_style->setBorderRightColor(Color());
}
}
if (id == CSSPropertyBorder || id == CSSPropertyBorderStyle)
{
if (isInherit) {
m_style->setBorderTopStyle(m_parentStyle->borderTopStyle());
m_style->setBorderBottomStyle(m_parentStyle->borderBottomStyle());
m_style->setBorderLeftStyle(m_parentStyle->borderLeftStyle());
m_style->setBorderRightStyle(m_parentStyle->borderRightStyle());
}
else if (isInitial) {
m_style->setBorderTopStyle(RenderStyle::initialBorderStyle());
m_style->setBorderBottomStyle(RenderStyle::initialBorderStyle());
m_style->setBorderLeftStyle(RenderStyle::initialBorderStyle());
m_style->setBorderRightStyle(RenderStyle::initialBorderStyle());
}
}
if (id == CSSPropertyBorder || id == CSSPropertyBorderWidth)
{
if (isInherit) {
m_style->setBorderTopWidth(m_parentStyle->borderTopWidth());
m_style->setBorderBottomWidth(m_parentStyle->borderBottomWidth());
m_style->setBorderLeftWidth(m_parentStyle->borderLeftWidth());
m_style->setBorderRightWidth(m_parentStyle->borderRightWidth());
}
else if (isInitial) {
m_style->setBorderTopWidth(RenderStyle::initialBorderWidth());
m_style->setBorderBottomWidth(RenderStyle::initialBorderWidth());
m_style->setBorderLeftWidth(RenderStyle::initialBorderWidth());
m_style->setBorderRightWidth(RenderStyle::initialBorderWidth());
}
}
return;
case CSSPropertyBorderTop:
if (isInherit) {
m_style->setBorderTopColor(m_parentStyle->borderTopColor().isValid() ? m_parentStyle->borderTopColor() : m_parentStyle->color());
m_style->setBorderTopStyle(m_parentStyle->borderTopStyle());
m_style->setBorderTopWidth(m_parentStyle->borderTopWidth());
}
else if (isInitial)
m_style->resetBorderTop();
return;
case CSSPropertyBorderRight:
if (isInherit) {
m_style->setBorderRightColor(m_parentStyle->borderRightColor().isValid() ? m_parentStyle->borderRightColor() : m_parentStyle->color());
m_style->setBorderRightStyle(m_parentStyle->borderRightStyle());
m_style->setBorderRightWidth(m_parentStyle->borderRightWidth());
}
else if (isInitial)
m_style->resetBorderRight();
return;
case CSSPropertyBorderBottom:
if (isInherit) {
m_style->setBorderBottomColor(m_parentStyle->borderBottomColor().isValid() ? m_parentStyle->borderBottomColor() : m_parentStyle->color());
m_style->setBorderBottomStyle(m_parentStyle->borderBottomStyle());
m_style->setBorderBottomWidth(m_parentStyle->borderBottomWidth());
}
else if (isInitial)
m_style->resetBorderBottom();
return;
case CSSPropertyBorderLeft:
if (isInherit) {
m_style->setBorderLeftColor(m_parentStyle->borderLeftColor().isValid() ? m_parentStyle->borderLeftColor() : m_parentStyle->color());
m_style->setBorderLeftStyle(m_parentStyle->borderLeftStyle());
m_style->setBorderLeftWidth(m_parentStyle->borderLeftWidth());
}
else if (isInitial)
m_style->resetBorderLeft();
return;
case CSSPropertyMargin:
if (isInherit) {
m_style->setMarginTop(m_parentStyle->marginTop());
m_style->setMarginBottom(m_parentStyle->marginBottom());
m_style->setMarginLeft(m_parentStyle->marginLeft());
m_style->setMarginRight(m_parentStyle->marginRight());
}
else if (isInitial)
m_style->resetMargin();
return;
case CSSPropertyPadding:
if (isInherit) {
m_style->setPaddingTop(m_parentStyle->paddingTop());
m_style->setPaddingBottom(m_parentStyle->paddingBottom());
m_style->setPaddingLeft(m_parentStyle->paddingLeft());
m_style->setPaddingRight(m_parentStyle->paddingRight());
}
else if (isInitial)
m_style->resetPadding();
return;
case CSSPropertyFont:
if (isInherit) {
FontDescription fontDescription = m_parentStyle->fontDescription();
m_style->setLineHeight(m_parentStyle->lineHeight());
m_lineHeightValue = 0;
if (m_style->setFontDescription(fontDescription))
m_fontDirty = true;
} else if (isInitial) {
Settings* settings = m_checker.m_document->settings();
FontDescription fontDescription;
fontDescription.setGenericFamily(FontDescription::StandardFamily);
fontDescription.setRenderingMode(settings->fontRenderingMode());
fontDescription.setUsePrinterFont(m_checker.m_document->printing());
const AtomicString& standardFontFamily = m_checker.m_document->settings()->standardFontFamily();
if (!standardFontFamily.isEmpty()) {
fontDescription.firstFamily().setFamily(standardFontFamily);
fontDescription.firstFamily().appendFamily(0);
}
fontDescription.setKeywordSize(CSSValueMedium - CSSValueXxSmall + 1);
setFontSize(fontDescription, fontSizeForKeyword(CSSValueMedium, m_style->htmlHacks(), false));
m_style->setLineHeight(RenderStyle::initialLineHeight());
m_lineHeightValue = 0;
if (m_style->setFontDescription(fontDescription))
m_fontDirty = true;
} else if (primitiveValue) {
m_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()) {
// Make sure the rendering mode and printer font settings are updated.
Settings* settings = m_checker.m_document->settings();
fontDescription.setRenderingMode(settings->fontRenderingMode());
fontDescription.setUsePrinterFont(m_checker.m_document->printing());
// Handle the zoom factor.
fontDescription.setComputedSize(getComputedSizeFromSpecifiedSize(fontDescription.isAbsoluteSize(), fontDescription.specifiedSize()));
if (m_style->setFontDescription(fontDescription))
m_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(CSSPropertyFontStyle, font->style.get());
applyProperty(CSSPropertyFontVariant, font->variant.get());
applyProperty(CSSPropertyFontWeight, font->weight.get());
applyProperty(CSSPropertyFontSize, font->size.get());
m_lineHeightValue = font->lineHeight.get();
applyProperty(CSSPropertyFontFamily, font->family.get());
}
return;
case CSSPropertyListStyle:
if (isInherit) {
m_style->setListStyleType(m_parentStyle->listStyleType());
m_style->setListStyleImage(m_parentStyle->listStyleImage());
m_style->setListStylePosition(m_parentStyle->listStylePosition());
}
else if (isInitial) {
m_style->setListStyleType(RenderStyle::initialListStyleType());
m_style->setListStyleImage(RenderStyle::initialListStyleImage());
m_style->setListStylePosition(RenderStyle::initialListStylePosition());
}
return;
case CSSPropertyOutline:
if (isInherit) {
m_style->setOutlineWidth(m_parentStyle->outlineWidth());
m_style->setOutlineColor(m_parentStyle->outlineColor().isValid() ? m_parentStyle->outlineColor() : m_parentStyle->color());
m_style->setOutlineStyle(m_parentStyle->outlineStyle());
}
else if (isInitial)
m_style->resetOutline();
return;
// CSS3 Properties
case CSSPropertyWebkitAppearance: {
HANDLE_INHERIT_AND_INITIAL(appearance, Appearance)
if (!primitiveValue)
return;
m_style->setAppearance(*primitiveValue);
return;
}
case CSSPropertyWebkitBinding: {
#if ENABLE(XBL)
if (isInitial || (primitiveValue && primitiveValue->getIdent() == CSSValueNone)) {
m_style->deleteBindingURIs();
return;
}
else if (isInherit) {
if (m_parentStyle->bindingURIs())
m_style->inheritBindingURIs(m_parentStyle->bindingURIs());
else
m_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->itemWithoutBoundsCheck(i);
CSSPrimitiveValue *val = static_cast<CSSPrimitiveValue*>(item);
if (val->primitiveType() == CSSPrimitiveValue::CSS_URI) {
if (firstBinding) {
firstBinding = false;
m_style->deleteBindingURIs();
}
m_style->addBindingURI(val->getStringValue());
}
}
#endif
return;
}
case CSSPropertyWebkitBorderImage:
case CSSPropertyWebkitMaskBoxImage: {
if (isInherit) {
HANDLE_INHERIT_COND(CSSPropertyWebkitBorderImage, borderImage, BorderImage)
HANDLE_INHERIT_COND(CSSPropertyWebkitMaskBoxImage, maskBoxImage, MaskBoxImage)
return;
} else if (isInitial) {
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWebkitBorderImage, BorderImage, NinePieceImage)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWebkitMaskBoxImage, MaskBoxImage, NinePieceImage)
return;
}
NinePieceImage image;
mapNinePieceImage(value, image);
if (id == CSSPropertyWebkitBorderImage)
m_style->setBorderImage(image);
else
m_style->setMaskBoxImage(image);
return;
}
case CSSPropertyWebkitBorderRadius:
if (isInherit) {
m_style->setBorderTopLeftRadius(m_parentStyle->borderTopLeftRadius());
m_style->setBorderTopRightRadius(m_parentStyle->borderTopRightRadius());
m_style->setBorderBottomLeftRadius(m_parentStyle->borderBottomLeftRadius());
m_style->setBorderBottomRightRadius(m_parentStyle->borderBottomRightRadius());
return;
}
if (isInitial) {
m_style->resetBorderRadius();
return;
}
// Fall through
case CSSPropertyWebkitBorderTopLeftRadius:
case CSSPropertyWebkitBorderTopRightRadius:
case CSSPropertyWebkitBorderBottomLeftRadius:
case CSSPropertyWebkitBorderBottomRightRadius: {
if (isInherit) {
HANDLE_INHERIT_COND(CSSPropertyWebkitBorderTopLeftRadius, borderTopLeftRadius, BorderTopLeftRadius)
HANDLE_INHERIT_COND(CSSPropertyWebkitBorderTopRightRadius, borderTopRightRadius, BorderTopRightRadius)
HANDLE_INHERIT_COND(CSSPropertyWebkitBorderBottomLeftRadius, borderBottomLeftRadius, BorderBottomLeftRadius)
HANDLE_INHERIT_COND(CSSPropertyWebkitBorderBottomRightRadius, borderBottomRightRadius, BorderBottomRightRadius)
return;
}
if (isInitial) {
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWebkitBorderTopLeftRadius, BorderTopLeftRadius, BorderRadius)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWebkitBorderTopRightRadius, BorderTopRightRadius, BorderRadius)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWebkitBorderBottomLeftRadius, BorderBottomLeftRadius, BorderRadius)
HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWebkitBorderBottomRightRadius, BorderBottomRightRadius, BorderRadius)
return;
}
if (!primitiveValue)
return;
Pair* pair = primitiveValue->getPairValue();
if (!pair)
return;
int width = pair->first()->computeLengthInt(style(), zoomFactor);
int height = pair->second()->computeLengthInt(style(), zoomFactor);
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 CSSPropertyWebkitBorderTopLeftRadius:
m_style->setBorderTopLeftRadius(size);
break;
case CSSPropertyWebkitBorderTopRightRadius:
m_style->setBorderTopRightRadius(size);
break;
case CSSPropertyWebkitBorderBottomLeftRadius:
m_style->setBorderBottomLeftRadius(size);
break;
case CSSPropertyWebkitBorderBottomRightRadius:
m_style->setBorderBottomRightRadius(size);
break;
default:
m_style->setBorderRadius(size);
break;
}
return;
}
case CSSPropertyOutlineOffset:
HANDLE_INHERIT_AND_INITIAL(outlineOffset, OutlineOffset)
m_style->setOutlineOffset(primitiveValue->computeLengthInt(style(), zoomFactor));
return;
case CSSPropertyTextShadow:
case CSSPropertyWebkitBoxShadow: {
if (isInherit) {
if (id == CSSPropertyTextShadow)
return m_style->setTextShadow(m_parentStyle->textShadow() ? new ShadowData(*m_parentStyle->textShadow()) : 0);
return m_style->setBoxShadow(m_parentStyle->boxShadow() ? new ShadowData(*m_parentStyle->boxShadow()) : 0);
}
if (isInitial || primitiveValue) // initial | none
return id == CSSPropertyTextShadow ? m_style->setTextShadow(0) : m_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->itemWithoutBoundsCheck(i));
int x = item->x->computeLengthInt(style(), zoomFactor);
int y = item->y->computeLengthInt(style(), zoomFactor);
int blur = item->blur ? item->blur->computeLengthInt(style(), zoomFactor) : 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 == CSSPropertyTextShadow)
m_style->setTextShadow(shadowData, i != 0);
else
m_style->setBoxShadow(shadowData, i != 0);
}
return;
}
case CSSPropertyWebkitBoxReflect: {
HANDLE_INHERIT_AND_INITIAL(boxReflect, BoxReflect)
if (primitiveValue) {
m_style->setBoxReflect(RenderStyle::initialBoxReflect());
return;
}
CSSReflectValue* reflectValue = static_cast<CSSReflectValue*>(value);
RefPtr<StyleReflection> reflection = StyleReflection::create();
reflection->setDirection(reflectValue->direction());
if (reflectValue->offset()) {
int type = reflectValue->offset()->primitiveType();
if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
reflection->setOffset(Length(reflectValue->offset()->getDoubleValue(), Percent));
else
reflection->setOffset(Length(reflectValue->offset()->computeLengthIntForLength(style(), zoomFactor), Fixed));
}
NinePieceImage mask;
mapNinePieceImage(reflectValue->mask(), mask);
reflection->setMask(mask);
m_style->setBoxReflect(reflection.release());
return;
}
case CSSPropertyOpacity:
HANDLE_INHERIT_AND_INITIAL(opacity, Opacity)
if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return; // Error case.
// Clamp opacity to the range 0-1
m_style->setOpacity(min(1.0f, max(0.0f, primitiveValue->getFloatValue())));
return;
case CSSPropertyWebkitBoxAlign:
{
HANDLE_INHERIT_AND_INITIAL(boxAlign, BoxAlign)
if (!primitiveValue)
return;
EBoxAlignment boxAlignment = *primitiveValue;
if (boxAlignment != BJUSTIFY)
m_style->setBoxAlign(boxAlignment);
return;
}
case CSSPropertySrc: // Only used in @font-face rules.
return;
case CSSPropertyUnicodeRange: // Only used in @font-face rules.
return;
case CSSPropertyWebkitBoxDirection:
HANDLE_INHERIT_AND_INITIAL(boxDirection, BoxDirection)
if (primitiveValue)
m_style->setBoxDirection(*primitiveValue);
return;
case CSSPropertyWebkitBoxLines:
HANDLE_INHERIT_AND_INITIAL(boxLines, BoxLines)
if (primitiveValue)
m_style->setBoxLines(*primitiveValue);
return;
case CSSPropertyWebkitBoxOrient:
HANDLE_INHERIT_AND_INITIAL(boxOrient, BoxOrient)
if (primitiveValue)
m_style->setBoxOrient(*primitiveValue);
return;
case CSSPropertyWebkitBoxPack:
{
HANDLE_INHERIT_AND_INITIAL(boxPack, BoxPack)
if (!primitiveValue)
return;
EBoxAlignment boxPack = *primitiveValue;
if (boxPack != BSTRETCH && boxPack != BBASELINE)
m_style->setBoxPack(boxPack);
return;
}
case CSSPropertyWebkitBoxFlex:
HANDLE_INHERIT_AND_INITIAL(boxFlex, BoxFlex)
if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return; // Error case.
m_style->setBoxFlex(primitiveValue->getFloatValue());
return;
case CSSPropertyWebkitBoxFlexGroup:
HANDLE_INHERIT_AND_INITIAL(boxFlexGroup, BoxFlexGroup)
if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return; // Error case.
m_style->setBoxFlexGroup((unsigned int)(primitiveValue->getDoubleValue()));
return;
case CSSPropertyWebkitBoxOrdinalGroup:
HANDLE_INHERIT_AND_INITIAL(boxOrdinalGroup, BoxOrdinalGroup)
if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return; // Error case.
m_style->setBoxOrdinalGroup((unsigned int)(primitiveValue->getDoubleValue()));
return;
case CSSPropertyWebkitBoxSizing:
HANDLE_INHERIT_AND_INITIAL(boxSizing, BoxSizing)
if (!primitiveValue)
return;
if (primitiveValue->getIdent() == CSSValueContentBox)
m_style->setBoxSizing(CONTENT_BOX);
else
m_style->setBoxSizing(BORDER_BOX);
return;
case CSSPropertyWebkitColumnCount: {
if (isInherit) {
if (m_parentStyle->hasAutoColumnCount())
m_style->setHasAutoColumnCount();
else
m_style->setColumnCount(m_parentStyle->columnCount());
return;
} else if (isInitial || primitiveValue->getIdent() == CSSValueAuto) {
m_style->setHasAutoColumnCount();
return;
}
m_style->setColumnCount(static_cast<unsigned short>(primitiveValue->getDoubleValue()));
return;
}
case CSSPropertyWebkitColumnGap: {
if (isInherit) {
if (m_parentStyle->hasNormalColumnGap())
m_style->setHasNormalColumnGap();
else
m_style->setColumnGap(m_parentStyle->columnGap());
return;
} else if (isInitial || primitiveValue->getIdent() == CSSValueNormal) {
m_style->setHasNormalColumnGap();
return;
}
m_style->setColumnGap(primitiveValue->computeLengthFloat(style(), zoomFactor));
return;
}
case CSSPropertyWebkitColumnWidth: {
if (isInherit) {
if (m_parentStyle->hasAutoColumnWidth())
m_style->setHasAutoColumnWidth();
else
m_style->setColumnWidth(m_parentStyle->columnWidth());
return;
} else if (isInitial || primitiveValue->getIdent() == CSSValueAuto) {
m_style->setHasAutoColumnWidth();
return;
}
m_style->setColumnWidth(primitiveValue->computeLengthFloat(style(), zoomFactor));
return;
}
case CSSPropertyWebkitColumnRuleStyle:
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(columnRuleStyle, ColumnRuleStyle, BorderStyle)
m_style->setColumnRuleStyle(*primitiveValue);
return;
case CSSPropertyWebkitColumnBreakBefore: {
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(columnBreakBefore, ColumnBreakBefore, PageBreak)
m_style->setColumnBreakBefore(*primitiveValue);
return;
}
case CSSPropertyWebkitColumnBreakAfter: {
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(columnBreakAfter, ColumnBreakAfter, PageBreak)
m_style->setColumnBreakAfter(*primitiveValue);
return;
}
case CSSPropertyWebkitColumnBreakInside: {
HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(columnBreakInside, ColumnBreakInside, PageBreak)
EPageBreak pb = *primitiveValue;
if (pb != PBALWAYS)
m_style->setColumnBreakInside(pb);
return;
}
case CSSPropertyWebkitColumnRule:
if (isInherit) {
m_style->setColumnRuleColor(m_parentStyle->columnRuleColor().isValid() ? m_parentStyle->columnRuleColor() : m_parentStyle->color());
m_style->setColumnRuleStyle(m_parentStyle->columnRuleStyle());
m_style->setColumnRuleWidth(m_parentStyle->columnRuleWidth());
}
else if (isInitial)
m_style->resetColumnRule();
return;
case CSSPropertyWebkitColumns:
if (isInherit) {
if (m_parentStyle->hasAutoColumnWidth())
m_style->setHasAutoColumnWidth();
else
m_style->setColumnWidth(m_parentStyle->columnWidth());
m_style->setColumnCount(m_parentStyle->columnCount());
} else if (isInitial) {
m_style->setHasAutoColumnWidth();
m_style->setColumnCount(RenderStyle::initialColumnCount());
}
return;
case CSSPropertyWebkitMarquee:
if (valueType != CSSValue::CSS_INHERIT || !m_parentNode) return;
m_style->setMarqueeDirection(m_parentStyle->marqueeDirection());
m_style->setMarqueeIncrement(m_parentStyle->marqueeIncrement());
m_style->setMarqueeSpeed(m_parentStyle->marqueeSpeed());
m_style->setMarqueeLoopCount(m_parentStyle->marqueeLoopCount());
m_style->setMarqueeBehavior(m_parentStyle->marqueeBehavior());
return;
case CSSPropertyWebkitMarqueeRepetition: {
HANDLE_INHERIT_AND_INITIAL(marqueeLoopCount, MarqueeLoopCount)
if (!primitiveValue)
return;
if (primitiveValue->getIdent() == CSSValueInfinite)
m_style->setMarqueeLoopCount(-1); // -1 means repeat forever.
else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_NUMBER)
m_style->setMarqueeLoopCount(primitiveValue->getIntValue());
return;
}
case CSSPropertyWebkitMarqueeSpeed: {
HANDLE_INHERIT_AND_INITIAL(marqueeSpeed, MarqueeSpeed)
if (!primitiveValue)
return;
if (primitiveValue->getIdent()) {
switch (primitiveValue->getIdent()) {
case CSSValueSlow:
m_style->setMarqueeSpeed(500); // 500 msec.
break;
case CSSValueNormal:
m_style->setMarqueeSpeed(85); // 85msec. The WinIE default.
break;
case CSSValueFast:
m_style->setMarqueeSpeed(10); // 10msec. Super fast.
break;
}
}
else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_S)
m_style->setMarqueeSpeed(1000 * primitiveValue->getIntValue());
else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_MS)
m_style->setMarqueeSpeed(primitiveValue->getIntValue());
else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_NUMBER) // For scrollamount support.
m_style->setMarqueeSpeed(primitiveValue->getIntValue());
return;
}
case CSSPropertyWebkitMarqueeIncrement: {
HANDLE_INHERIT_AND_INITIAL(marqueeIncrement, MarqueeIncrement)
if (!primitiveValue)
return;
if (primitiveValue->getIdent()) {
switch (primitiveValue->getIdent()) {
case CSSValueSmall:
m_style->setMarqueeIncrement(Length(1, Fixed)); // 1px.
break;
case CSSValueNormal:
m_style->setMarqueeIncrement(Length(6, Fixed)); // 6px. The WinIE default.
break;
case CSSValueLarge:
m_style->setMarqueeIncrement(Length(36, Fixed)); // 36px.
break;
}
}
else {
bool ok = true;
Length l = convertToLength(primitiveValue, style(), &ok);
if (ok)
m_style->setMarqueeIncrement(l);
}
return;
}
case CSSPropertyWebkitMarqueeStyle: {
HANDLE_INHERIT_AND_INITIAL(marqueeBehavior, MarqueeBehavior)
if (primitiveValue)
m_style->setMarqueeBehavior(*primitiveValue);
return;
}
case CSSPropertyWebkitMarqueeDirection: {
HANDLE_INHERIT_AND_INITIAL(marqueeDirection, MarqueeDirection)
if (primitiveValue)
m_style->setMarqueeDirection(*primitiveValue);
return;
}
case CSSPropertyWebkitUserDrag: {
HANDLE_INHERIT_AND_INITIAL(userDrag, UserDrag)
if (primitiveValue)
m_style->setUserDrag(*primitiveValue);
return;
}
case CSSPropertyWebkitUserModify: {
HANDLE_INHERIT_AND_INITIAL(userModify, UserModify)
if (primitiveValue)
m_style->setUserModify(*primitiveValue);
return;
}
case CSSPropertyWebkitUserSelect: {
HANDLE_INHERIT_AND_INITIAL(userSelect, UserSelect)
if (primitiveValue)
m_style->setUserSelect(*primitiveValue);
return;
}
case CSSPropertyTextOverflow: {
// 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;
m_style->setTextOverflow(primitiveValue->getIdent() == CSSValueEllipsis);
return;
}
case CSSPropertyWebkitMarginCollapse: {
if (isInherit) {
m_style->setMarginTopCollapse(m_parentStyle->marginTopCollapse());
m_style->setMarginBottomCollapse(m_parentStyle->marginBottomCollapse());
}
else if (isInitial) {
m_style->setMarginTopCollapse(MCOLLAPSE);
m_style->setMarginBottomCollapse(MCOLLAPSE);
}
return;
}
case CSSPropertyWebkitMarginTopCollapse: {
HANDLE_INHERIT_AND_INITIAL(marginTopCollapse, MarginTopCollapse)
if (primitiveValue)
m_style->setMarginTopCollapse(*primitiveValue);
return;
}
case CSSPropertyWebkitMarginBottomCollapse: {
HANDLE_INHERIT_AND_INITIAL(marginBottomCollapse, MarginBottomCollapse)
if (primitiveValue)
m_style->setMarginBottomCollapse(*primitiveValue);
return;
}
// Apple-specific changes. Do not merge these properties into KHTML.
case CSSPropertyWebkitLineClamp: {
HANDLE_INHERIT_AND_INITIAL(lineClamp, LineClamp)
if (!primitiveValue)
return;
m_style->setLineClamp(primitiveValue->getIntValue(CSSPrimitiveValue::CSS_PERCENTAGE));
return;
}
case CSSPropertyWebkitHighlight: {
HANDLE_INHERIT_AND_INITIAL(highlight, Highlight);
if (primitiveValue->getIdent() == CSSValueNone)
m_style->setHighlight(nullAtom);
else
m_style->setHighlight(primitiveValue->getStringValue());
return;
}
case CSSPropertyWebkitBorderFit: {
HANDLE_INHERIT_AND_INITIAL(borderFit, BorderFit);
if (primitiveValue->getIdent() == CSSValueBorder)
m_style->setBorderFit(BorderFitBorder);
else
m_style->setBorderFit(BorderFitLines);
return;
}
case CSSPropertyWebkitTextSizeAdjust: {
HANDLE_INHERIT_AND_INITIAL(textSizeAdjust, TextSizeAdjust)
if (!primitiveValue || !primitiveValue->getIdent()) return;
m_style->setTextSizeAdjust(primitiveValue->getIdent() == CSSValueAuto);
m_fontDirty = true;
return;
}
case CSSPropertyWebkitTextSecurity: {
HANDLE_INHERIT_AND_INITIAL(textSecurity, TextSecurity)
if (primitiveValue)
m_style->setTextSecurity(*primitiveValue);
return;
}
#if ENABLE(DASHBOARD_SUPPORT)
case CSSPropertyWebkitDashboardRegion: {
HANDLE_INHERIT_AND_INITIAL(dashboardRegions, DashboardRegions)
if (!primitiveValue)
return;
if (primitiveValue->getIdent() == CSSValueNone) {
m_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)
m_style->setDashboardRegion(StyleDashboardRegion::Circle, region->m_label, top, right, bottom, left, region == first ? false : true);
else if (region->m_isRectangle)
m_style->setDashboardRegion(StyleDashboardRegion::Rectangle, region->m_label, top, right, bottom, left, region == first ? false : true);
region = region->m_next.get();
}
m_element->document()->setHasDashboardRegions(true);
return;
}
#endif
case CSSPropertyWebkitRtlOrdering:
HANDLE_INHERIT_AND_INITIAL(visuallyOrdered, VisuallyOrdered)
if (!primitiveValue || !primitiveValue->getIdent())
return;
m_style->setVisuallyOrdered(primitiveValue->getIdent() == CSSValueVisual);
return;
case CSSPropertyWebkitTextStrokeWidth: {
HANDLE_INHERIT_AND_INITIAL(textStrokeWidth, TextStrokeWidth)
float width = 0;
switch (primitiveValue->getIdent()) {
case CSSValueThin:
case CSSValueMedium:
case CSSValueThick: {
double result = 1.0 / 48;
if (primitiveValue->getIdent() == CSSValueMedium)
result *= 3;
else if (primitiveValue->getIdent() == CSSValueThick)
result *= 5;
width = CSSPrimitiveValue::create(result, CSSPrimitiveValue::CSS_EMS)->computeLengthFloat(style(), zoomFactor);
break;
}
default:
width = primitiveValue->computeLengthFloat(style(), zoomFactor);
break;
}
m_style->setTextStrokeWidth(width);
return;
}
case CSSPropertyWebkitTransform: {
HANDLE_INHERIT_AND_INITIAL(transform, Transform);
TransformOperations operations;
createTransformOperations(value, style(), operations);
m_style->setTransform(operations);
return;
}
case CSSPropertyWebkitTransformOrigin:
HANDLE_INHERIT_AND_INITIAL(transformOriginX, TransformOriginX)
HANDLE_INHERIT_AND_INITIAL(transformOriginY, TransformOriginY)
return;
case CSSPropertyWebkitTransformOriginX: {
HANDLE_INHERIT_AND_INITIAL(transformOriginX, TransformOriginX)
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(), zoomFactor), Fixed);
else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
l = Length(primitiveValue->getDoubleValue(), Percent);
else
return;
m_style->setTransformOriginX(l);
break;
}
case CSSPropertyWebkitTransformOriginY: {
HANDLE_INHERIT_AND_INITIAL(transformOriginY, TransformOriginY)
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(), zoomFactor), Fixed);
else if(type == CSSPrimitiveValue::CSS_PERCENTAGE)
l = Length(primitiveValue->getDoubleValue(), Percent);
else
return;
m_style->setTransformOriginY(l);
break;
}
case CSSPropertyWebkitAnimation:
if (isInitial)
m_style->clearAnimations();
else if (isInherit)
m_style->inheritAnimations(m_parentStyle->animations());
return;
case CSSPropertyWebkitAnimationDelay:
HANDLE_ANIMATION_VALUE(delay, Delay, value)
return;
case CSSPropertyWebkitAnimationDirection:
HANDLE_ANIMATION_VALUE(direction, Direction, value)
return;
case CSSPropertyWebkitAnimationDuration:
HANDLE_ANIMATION_VALUE(duration, Duration, value)
return;
case CSSPropertyWebkitAnimationIterationCount:
HANDLE_ANIMATION_VALUE(iterationCount, IterationCount, value)
return;
case CSSPropertyWebkitAnimationName:
HANDLE_ANIMATION_VALUE(name, Name, value)
return;
case CSSPropertyWebkitAnimationPlayState:
HANDLE_ANIMATION_VALUE(playState, PlayState, value)
return;
case CSSPropertyWebkitAnimationTimingFunction:
HANDLE_ANIMATION_VALUE(timingFunction, TimingFunction, value)
return;
case CSSPropertyWebkitTransition:
if (isInitial)
m_style->clearTransitions();
else if (isInherit)
m_style->inheritTransitions(m_parentStyle->transitions());
return;
case CSSPropertyWebkitTransitionDelay:
HANDLE_TRANSITION_VALUE(delay, Delay, value)
return;
case CSSPropertyWebkitTransitionDuration:
HANDLE_TRANSITION_VALUE(duration, Duration, value)
return;
case CSSPropertyWebkitTransitionProperty:
HANDLE_TRANSITION_VALUE(property, Property, value)
return;
case CSSPropertyWebkitTransitionTimingFunction:
HANDLE_TRANSITION_VALUE(timingFunction, TimingFunction, value)
return;
case CSSPropertyPointerEvents:
{
#if ENABLE(DASHBOARD_SUPPORT)
// <rdar://problem/6561077> Work around the Stocks widget's misuse of the
// pointer-events property by not applying it in Dashboard.
Settings* settings = m_checker.m_document->settings();
if (settings && settings->usesDashboardBackwardCompatibilityMode())
return;
#endif
HANDLE_INHERIT_AND_INITIAL(pointerEvents, PointerEvents)
if (!primitiveValue)
return;
m_style->setPointerEvents(*primitiveValue);
return;
}
case CSSPropertyInvalid:
return;
case CSSPropertyFontStretch:
case CSSPropertyPage:
case CSSPropertyQuotes:
case CSSPropertyScrollbar3dlightColor:
case CSSPropertyScrollbarArrowColor:
case CSSPropertyScrollbarDarkshadowColor:
case CSSPropertyScrollbarFaceColor:
case CSSPropertyScrollbarHighlightColor:
case CSSPropertyScrollbarShadowColor:
case CSSPropertyScrollbarTrackColor:
case CSSPropertySize:
case CSSPropertyTextLineThrough:
case CSSPropertyTextLineThroughColor:
case CSSPropertyTextLineThroughMode:
case CSSPropertyTextLineThroughStyle:
case CSSPropertyTextLineThroughWidth:
case CSSPropertyTextOverline:
case CSSPropertyTextOverlineColor:
case CSSPropertyTextOverlineMode:
case CSSPropertyTextOverlineStyle:
case CSSPropertyTextOverlineWidth:
case CSSPropertyTextUnderline:
case CSSPropertyTextUnderlineColor:
case CSSPropertyTextUnderlineMode:
case CSSPropertyTextUnderlineStyle:
case CSSPropertyTextUnderlineWidth:
case CSSPropertyWebkitFontSizeDelta:
case CSSPropertyWebkitMarginStart:
case CSSPropertyWebkitPaddingStart:
case CSSPropertyWebkitTextDecorationsInEffect:
case CSSPropertyWebkitTextStroke:
return;
#ifdef ANDROID_CSS_TAP_HIGHLIGHT_COLOR
case CSSPropertyWebkitTapHighlightColor: {
HANDLE_INHERIT_AND_INITIAL(tapHighlightColor, TapHighlightColor);
if (!primitiveValue)
break;
Color col = getColorFromPrimitiveValue(primitiveValue).blendWithWhite();
m_style->setTapHighlightColor(col);
return;
}
#endif
#if ENABLE(SVG)
default:
// Try the SVG properties
applySVGProperty(id, value);
#endif
}
}
void CSSStyleSelector::mapFillAttachment(FillLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setAttachment(FillLayer::initialFillAttachment(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
switch (primitiveValue->getIdent()) {
case CSSValueFixed:
layer->setAttachment(false);
break;
case CSSValueScroll:
layer->setAttachment(true);
break;
default:
return;
}
}
void CSSStyleSelector::mapFillClip(FillLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setClip(FillLayer::initialFillClip(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
layer->setClip(*primitiveValue);
}
void CSSStyleSelector::mapFillComposite(FillLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setComposite(FillLayer::initialFillComposite(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
layer->setComposite(*primitiveValue);
}
void CSSStyleSelector::mapFillOrigin(FillLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setOrigin(FillLayer::initialFillOrigin(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
layer->setOrigin(*primitiveValue);
}
StyleImage* CSSStyleSelector::styleImage(CSSValue* value)
{
if (value->isImageValue())
return static_cast<CSSImageValue*>(value)->cachedImage(m_element->document()->docLoader());
if (value->isImageGeneratorValue())
return static_cast<CSSImageGeneratorValue*>(value)->generatedImage();
return 0;
}
void CSSStyleSelector::mapFillImage(FillLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setImage(FillLayer::initialFillImage(layer->type()));
return;
}
layer->setImage(styleImage(value));
}
void CSSStyleSelector::mapFillRepeat(FillLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setRepeat(FillLayer::initialFillRepeat(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
layer->setRepeat(*primitiveValue);
}
void CSSStyleSelector::mapFillSize(FillLayer* layer, CSSValue* value)
{
LengthSize b = FillLayer::initialFillSize(layer->type());
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setSize(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();
float zoomFactor = m_style->effectiveZoom();
if (firstType == CSSPrimitiveValue::CSS_UNKNOWN)
firstLength = Length(Auto);
else if (firstType > CSSPrimitiveValue::CSS_PERCENTAGE && firstType < CSSPrimitiveValue::CSS_DEG)
firstLength = Length(first->computeLengthIntForLength(style(), zoomFactor), 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(), zoomFactor), Fixed);
else if (secondType == CSSPrimitiveValue::CSS_PERCENTAGE)
secondLength = Length(second->getDoubleValue(), Percent);
else
return;
b.setWidth(firstLength);
b.setHeight(secondLength);
layer->setSize(b);
}
void CSSStyleSelector::mapFillXPosition(FillLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setXPosition(FillLayer::initialFillXPosition(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
float zoomFactor = m_style->effectiveZoom();
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(), zoomFactor), Fixed);
else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
l = Length(primitiveValue->getDoubleValue(), Percent);
else
return;
layer->setXPosition(l);
}
void CSSStyleSelector::mapFillYPosition(FillLayer* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setYPosition(FillLayer::initialFillYPosition(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
float zoomFactor = m_style->effectiveZoom();
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(), zoomFactor), Fixed);
else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
l = Length(primitiveValue->getDoubleValue(), Percent);
else
return;
layer->setYPosition(l);
}
void CSSStyleSelector::mapAnimationDelay(Animation* animation, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
animation->setDelay(Animation::initialAnimationDelay());
return;
}
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_S)
animation->setDelay(primitiveValue->getFloatValue());
else
animation->setDelay(primitiveValue->getFloatValue()/1000.0f);
}
void CSSStyleSelector::mapAnimationDirection(Animation* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setDirection(Animation::initialAnimationDirection());
return;
}
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
layer->setDirection(primitiveValue->getIdent() == CSSValueAlternate);
}
void CSSStyleSelector::mapAnimationDuration(Animation* animation, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
animation->setDuration(Animation::initialAnimationDuration());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_S)
animation->setDuration(primitiveValue->getFloatValue());
else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_MS)
animation->setDuration(primitiveValue->getFloatValue()/1000.0f);
}
void CSSStyleSelector::mapAnimationIterationCount(Animation* animation, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
animation->setIterationCount(Animation::initialAnimationIterationCount());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->getIdent() == CSSValueInfinite)
animation->setIterationCount(-1);
else
animation->setIterationCount(int(primitiveValue->getFloatValue()));
}
void CSSStyleSelector::mapAnimationName(Animation* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setName(Animation::initialAnimationName());
return;
}
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->getIdent() == CSSValueNone)
layer->setIsNoneAnimation(true);
else
layer->setName(primitiveValue->getStringValue());
}
void CSSStyleSelector::mapAnimationPlayState(Animation* layer, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
layer->setPlayState(Animation::initialAnimationPlayState());
return;
}
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
layer->setPlayState((primitiveValue->getIdent() == CSSValuePaused) ? AnimPlayStatePaused : AnimPlayStatePlaying);
}
void CSSStyleSelector::mapAnimationProperty(Animation* animation, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
animation->setProperty(Animation::initialAnimationProperty());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->getIdent() == CSSValueAll)
animation->setProperty(cAnimateAll);
else if (primitiveValue->getIdent() == CSSValueNone)
animation->setProperty(cAnimateNone);
else
animation->setProperty(static_cast<CSSPropertyID>(primitiveValue->getIdent()));
}
void CSSStyleSelector::mapAnimationTimingFunction(Animation* animation, CSSValue* value)
{
if (value->cssValueType() == CSSValue::CSS_INITIAL) {
animation->setTimingFunction(Animation::initialAnimationTimingFunction());
return;
}
if (value->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
switch (primitiveValue->getIdent()) {
case CSSValueLinear:
animation->setTimingFunction(TimingFunction(LinearTimingFunction, 0.0, 0.0, 1.0, 1.0));
break;
case CSSValueEase:
animation->setTimingFunction(TimingFunction());
break;
case CSSValueEaseIn:
animation->setTimingFunction(TimingFunction(CubicBezierTimingFunction, 0.42, 0.0, 1.0, 1.0));
break;
case CSSValueEaseOut:
animation->setTimingFunction(TimingFunction(CubicBezierTimingFunction, 0.0, 0.0, 0.58, 1.0));
break;
case CSSValueEaseInOut:
animation->setTimingFunction(TimingFunction(CubicBezierTimingFunction, 0.42, 0.0, 0.58, 1.0));
break;
}
return;
}
if (value->isTimingFunctionValue()) {
CSSTimingFunctionValue* timingFunction = static_cast<CSSTimingFunctionValue*>(value);
animation->setTimingFunction(TimingFunction(CubicBezierTimingFunction, timingFunction->x1(), timingFunction->y1(), timingFunction->x2(), timingFunction->y2()));
}
}
void CSSStyleSelector::mapNinePieceImage(CSSValue* value, NinePieceImage& image)
{
// If we're a primitive value, then we are "none" and don't need to alter the empty image at all.
if (!value || value->isPrimitiveValue())
return;
// Retrieve the border image value.
CSSBorderImageValue* borderImage = static_cast<CSSBorderImageValue*>(value);
// Set the image (this kicks off the load).
image.m_image = styleImage(borderImage->imageValue());
// 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.m_top = Length(r->top()->getDoubleValue(), Percent);
else
l.m_top = Length(r->top()->getIntValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
if (r->bottom()->primitiveType() == CSSPrimitiveValue::CSS_PERCENTAGE)
l.m_bottom = Length(r->bottom()->getDoubleValue(), Percent);
else
l.m_bottom = Length((int)r->bottom()->getFloatValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
if (r->left()->primitiveType() == CSSPrimitiveValue::CSS_PERCENTAGE)
l.m_left = Length(r->left()->getDoubleValue(), Percent);
else
l.m_left = Length(r->left()->getIntValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
if (r->right()->primitiveType() == CSSPrimitiveValue::CSS_PERCENTAGE)
l.m_right = Length(r->right()->getDoubleValue(), Percent);
else
l.m_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 CSSValueStretch:
image.m_horizontalRule = StretchImageRule;
break;
case CSSValueRound:
image.m_horizontalRule = RoundImageRule;
break;
default: // CSSValueRepeat
image.m_horizontalRule = RepeatImageRule;
break;
}
switch (borderImage->m_verticalSizeRule) {
case CSSValueStretch:
image.m_verticalRule = StretchImageRule;
break;
case CSSValueRound:
image.m_verticalRule = RoundImageRule;
break;
default: // CSSValueRepeat
image.m_verticalRule = RepeatImageRule;
break;
}
}
void CSSStyleSelector::checkForTextSizeAdjust()
{
if (m_style->textSizeAdjust())
return;
FontDescription newFontDescription(m_style->fontDescription());
newFontDescription.setComputedSize(newFontDescription.specifiedSize());
m_style->setFontDescription(newFontDescription);
}
void CSSStyleSelector::checkForZoomChange(RenderStyle* style, RenderStyle* parentStyle)
{
if (style->effectiveZoom() == parentStyle->effectiveZoom())
return;
const FontDescription& childFont = style->fontDescription();
FontDescription newFontDescription(childFont);
setFontSize(newFontDescription, childFont.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(CSSValueXxSmall + childFont.keywordSize() - 1, style->htmlHacks(),
childFont.genericFamily() == FontDescription::MonospaceFamily);
} else {
Settings* settings = m_checker.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_checker.m_document->settings();
if (!settings)
return 1.0f;
int minSize = settings->minimumFontSize();
int minLogicalSize = settings->minimumLogicalFontSize();
float zoomFactor = m_style->effectiveZoom();
if (m_checker.m_document->frame() && m_checker.m_document->frame()->shouldApplyTextZoom())
zoomFactor *= m_checker.m_document->frame()->textZoomFactor();
float zoomedSize = specifiedSize * zoomFactor;
// 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_checker.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 - CSSValueXxSmall);
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 - CSSValueXxSmall]*mediumSize, minLogicalSize);
}
float CSSStyleSelector::largerFontSize(float size, bool) 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) 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;
}
static Color colorForCSSValue(int cssValueId)
{
struct ColorValue {
int cssValueId;
RGBA32 color;
};
static const ColorValue colorValues[] = {
{ CSSValueAqua, 0xFF00FFFF },
{ CSSValueBlack, 0xFF000000 },
{ CSSValueBlue, 0xFF0000FF },
{ CSSValueFuchsia, 0xFFFF00FF },
{ CSSValueGray, 0xFF808080 },
{ CSSValueGreen, 0xFF008000 },
{ CSSValueGrey, 0xFF808080 },
{ CSSValueLime, 0xFF00FF00 },
{ CSSValueMaroon, 0xFF800000 },
{ CSSValueNavy, 0xFF000080 },
{ CSSValueOlive, 0xFF808000 },
{ CSSValueOrange, 0xFFFFA500 },
{ CSSValuePurple, 0xFF800080 },
{ CSSValueRed, 0xFFFF0000 },
{ CSSValueSilver, 0xFFC0C0C0 },
{ CSSValueTeal, 0xFF008080 },
{ CSSValueTransparent, 0x00000000 },
{ CSSValueWhite, 0xFFFFFFFF },
{ CSSValueYellow, 0xFFFFFF00 },
{ 0, 0 }
};
for (const ColorValue* col = colorValues; col->cssValueId; ++col) {
if (col->cssValueId == cssValueId)
return col->color;
}
return theme()->systemColor(cssValueId);
}
Color CSSStyleSelector::getColorFromPrimitiveValue(CSSPrimitiveValue* primitiveValue)
{
Color col;
int ident = primitiveValue->getIdent();
if (ident) {
if (ident == CSSValueWebkitText)
col = m_element->document()->textColor();
else if (ident == CSSValueWebkitLink) {
const Color& linkColor = m_element->document()->linkColor();
const Color& visitedColor = m_element->document()->visitedLinkColor();
if (linkColor == visitedColor)
col = linkColor;
else {
if (pseudoState == PseudoUnknown || pseudoState == PseudoAnyLink)
pseudoState = m_checker.checkPseudoState(m_element);
col = (pseudoState == PseudoLink) ? linkColor : visitedColor;
}
} else if (ident == CSSValueWebkitActivelink)
col = m_element->document()->activeLinkColor();
else if (ident == CSSValueWebkitFocusRingColor)
col = focusRingColor();
else if (ident == CSSValueCurrentcolor)
col = m_style->color();
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());
}
void CSSStyleSelector::addViewportDependentMediaQueryResult(const MediaQueryExp* expr, bool result)
{
m_viewportDependentMediaQueryResults.append(new MediaQueryResult(*expr, result));
}
bool CSSStyleSelector::affectedByViewportChange() const
{
unsigned s = m_viewportDependentMediaQueryResults.size();
for (unsigned i = 0; i < s; i++) {
if (m_medium->eval(&m_viewportDependentMediaQueryResults[i]->m_expression) != m_viewportDependentMediaQueryResults[i]->m_result)
return true;
}
return false;
}
void CSSStyleSelector::SelectorChecker::allVisitedStateChanged()
{
if (m_linksCheckedForVisitedState.isEmpty())
return;
for (Node* node = m_document; node; node = node->traverseNextNode()) {
if (node->isLink())
node->setChanged();
}
}
void CSSStyleSelector::SelectorChecker::visitedStateChanged(LinkHash visitedHash)
{
if (!m_linksCheckedForVisitedState.contains(visitedHash))
return;
for (Node* node = m_document; node; node = node->traverseNextNode()) {
const AtomicString* attr = linkAttribute(node);
if (attr && visitedLinkHash(m_document->baseURL(), *attr) == visitedHash)
node->setChanged();
}
}
static TransformOperation::OperationType getTransformOperationType(WebKitCSSTransformValue::TransformOperationType type)
{
switch (type) {
case WebKitCSSTransformValue::ScaleTransformOperation: return TransformOperation::SCALE;
case WebKitCSSTransformValue::ScaleXTransformOperation: return TransformOperation::SCALE_X;
case WebKitCSSTransformValue::ScaleYTransformOperation: return TransformOperation::SCALE_Y;
case WebKitCSSTransformValue::TranslateTransformOperation: return TransformOperation::TRANSLATE;
case WebKitCSSTransformValue::TranslateXTransformOperation: return TransformOperation::TRANSLATE_X;
case WebKitCSSTransformValue::TranslateYTransformOperation: return TransformOperation::TRANSLATE_Y;
case WebKitCSSTransformValue::RotateTransformOperation: return TransformOperation::ROTATE;
case WebKitCSSTransformValue::SkewTransformOperation: return TransformOperation::SKEW;
case WebKitCSSTransformValue::SkewXTransformOperation: return TransformOperation::SKEW_X;
case WebKitCSSTransformValue::SkewYTransformOperation: return TransformOperation::SKEW_Y;
case WebKitCSSTransformValue::MatrixTransformOperation: return TransformOperation::MATRIX;
case WebKitCSSTransformValue::UnknownTransformOperation: return TransformOperation::NONE;
}
return TransformOperation::NONE;
}
bool CSSStyleSelector::createTransformOperations(CSSValue* inValue, RenderStyle* inStyle, TransformOperations& outOperations)
{
TransformOperations operations;
if (inValue && !inValue->isPrimitiveValue()) {
CSSValueList* list = static_cast<CSSValueList*>(inValue);
unsigned size = list->length();
for (unsigned i = 0; i < size; i++) {
WebKitCSSTransformValue* val = static_cast<WebKitCSSTransformValue*>(list->itemWithoutBoundsCheck(i));
CSSPrimitiveValue* firstValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(0));
switch (val->operationType()) {
case WebKitCSSTransformValue::ScaleTransformOperation:
case WebKitCSSTransformValue::ScaleXTransformOperation:
case WebKitCSSTransformValue::ScaleYTransformOperation: {
double sx = 1.0;
double sy = 1.0;
if (val->operationType() == WebKitCSSTransformValue::ScaleYTransformOperation)
sy = firstValue->getDoubleValue();
else {
sx = firstValue->getDoubleValue();
if (val->operationType() != WebKitCSSTransformValue::ScaleXTransformOperation) {
if (val->length() > 1) {
CSSPrimitiveValue* secondValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(1));
sy = secondValue->getDoubleValue();
} else
sy = sx;
}
}
operations.operations().append(ScaleTransformOperation::create(sx, sy, getTransformOperationType(val->operationType())));
break;
}
case WebKitCSSTransformValue::TranslateTransformOperation:
case WebKitCSSTransformValue::TranslateXTransformOperation:
case WebKitCSSTransformValue::TranslateYTransformOperation: {
bool ok = true;
Length tx = Length(0, Fixed);
Length ty = Length(0, Fixed);
if (val->operationType() == WebKitCSSTransformValue::TranslateYTransformOperation)
ty = convertToLength(firstValue, inStyle, &ok);
else {
tx = convertToLength(firstValue, inStyle, &ok);
if (val->operationType() != WebKitCSSTransformValue::TranslateXTransformOperation) {
if (val->length() > 1) {
CSSPrimitiveValue* secondValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(1));
ty = convertToLength(secondValue, inStyle, &ok);
}
}
}
if (!ok)
return false;
operations.operations().append(TranslateTransformOperation::create(tx, ty, getTransformOperationType(val->operationType())));
break;
}
case WebKitCSSTransformValue::RotateTransformOperation: {
double angle = firstValue->getDoubleValue();
if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_RAD)
angle = rad2deg(angle);
else if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_GRAD)
angle = grad2deg(angle);
else if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_TURN)
angle = turn2deg(angle);
operations.operations().append(RotateTransformOperation::create(angle, getTransformOperationType(val->operationType())));
break;
}
case WebKitCSSTransformValue::SkewTransformOperation:
case WebKitCSSTransformValue::SkewXTransformOperation:
case WebKitCSSTransformValue::SkewYTransformOperation: {
double angleX = 0;
double angleY = 0;
double angle = firstValue->getDoubleValue();
if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_RAD)
angle = rad2deg(angle);
else if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_GRAD)
angle = grad2deg(angle);
else if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_TURN)
angle = turn2deg(angle);
if (val->operationType() == WebKitCSSTransformValue::SkewYTransformOperation)
angleY = angle;
else {
angleX = angle;
if (val->operationType() == WebKitCSSTransformValue::SkewTransformOperation) {
if (val->length() > 1) {
CSSPrimitiveValue* secondValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(1));
angleY = secondValue->getDoubleValue();
if (secondValue->primitiveType() == CSSPrimitiveValue::CSS_RAD)
angleY = rad2deg(angleY);
else if (secondValue->primitiveType() == CSSPrimitiveValue::CSS_GRAD)
angleY = grad2deg(angleY);
else if (secondValue->primitiveType() == CSSPrimitiveValue::CSS_TURN)
angleY = turn2deg(angleY);
}
}
}
operations.operations().append(SkewTransformOperation::create(angleX, angleY, getTransformOperationType(val->operationType())));
break;
}
case WebKitCSSTransformValue::MatrixTransformOperation: {
float a = firstValue->getFloatValue();
float b = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(1))->getFloatValue();
float c = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(2))->getFloatValue();
float d = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(3))->getFloatValue();
float e = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(4))->getFloatValue();
float f = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(5))->getFloatValue();
operations.operations().append(MatrixTransformOperation::create(a, b, c, d, e, f));
break;
}
case WebKitCSSTransformValue::UnknownTransformOperation:
ASSERT_NOT_REACHED();
break;
}
}
}
outOperations = operations;
return true;
}
} // namespace WebCore