bool EditingStyle::conflictsWithInlineStyleOfElement(StyledElement* element, EditingStyle* extractedStyle, Vector<CSSPropertyID>* conflictingProperties) const
{
ASSERT(element);
ASSERT(!conflictingProperties || conflictingProperties->isEmpty());
CSSMutableStyleDeclaration* inlineStyle = element->inlineStyleDecl();
if (!m_mutableStyle || !inlineStyle)
return false;
if (!conflictingProperties) {
CSSMutableStyleDeclaration::const_iterator end = m_mutableStyle->end();
for (CSSMutableStyleDeclaration::const_iterator it = m_mutableStyle->begin(); it != end; ++it) {
CSSPropertyID propertyID = static_cast<CSSPropertyID>(it->id());
// We don't override whitespace property of a tab span because that would collapse the tab into a space.
if (propertyID == CSSPropertyWhiteSpace && isTabSpanNode(element))
continue;
if (inlineStyle->getPropertyCSSValue(propertyID))
return true;
}
return false;
}
CSSMutableStyleDeclaration::const_iterator end = m_mutableStyle->end();
for (CSSMutableStyleDeclaration::const_iterator it = m_mutableStyle->begin(); it != end; ++it) {
CSSPropertyID propertyID = static_cast<CSSPropertyID>(it->id());
if ((propertyID == CSSPropertyWhiteSpace && isTabSpanNode(element)) || !inlineStyle->getPropertyCSSValue(propertyID))
continue;
if (propertyID == CSSPropertyUnicodeBidi && inlineStyle->getPropertyCSSValue(CSSPropertyDirection)) {
if (extractedStyle)
extractedStyle->setProperty(propertyID, inlineStyle->getPropertyValue(propertyID), inlineStyle->getPropertyPriority(propertyID));
conflictingProperties->append(CSSPropertyDirection);
}
conflictingProperties->append(propertyID);
if (extractedStyle)
extractedStyle->setProperty(propertyID, inlineStyle->getPropertyValue(propertyID), inlineStyle->getPropertyPriority(propertyID));
}
return !conflictingProperties->isEmpty();
}
void EditingStyle::removeStyleConflictingWithStyleOfNode(Node* node)
{
if (!node || !node->parentNode() || !m_mutableStyle)
return;
RefPtr<CSSMutableStyleDeclaration> parentStyle = editingStyleFromComputedStyle(computedStyle(node->parentNode()));
RefPtr<CSSMutableStyleDeclaration> nodeStyle = editingStyleFromComputedStyle(computedStyle(node));
parentStyle->diff(nodeStyle.get());
CSSMutableStyleDeclaration::const_iterator end = nodeStyle->end();
for (CSSMutableStyleDeclaration::const_iterator it = nodeStyle->begin(); it != end; ++it)
m_mutableStyle->removeProperty(it->id());
}