QString QWebElement::styleProperty(const QString &name, StyleResolveStrategy strategy) const
{
if (!m_element || !m_element->isStyledElement())
return QString();
int propID = cssPropertyID(name);
if (!propID)
return QString();
CSSStyleDeclaration* style = static_cast<StyledElement*>(m_element)->style();
if (strategy == InlineStyle)
return style->getPropertyValue(propID);
if (strategy == CascadedStyle) {
if (style->getPropertyPriority(propID))
return style->getPropertyValue(propID);
// We are going to resolve the style property by walking through the
// list of non-inline matched CSS rules for the element, looking for
// the highest priority definition.
// Get an array of matched CSS rules for the given element sorted
// by importance and inheritance order. This include external CSS
// declarations, as well as embedded and inline style declarations.
DOMWindow* domWindow = m_element->document()->frame()->domWindow();
if (RefPtr<CSSRuleList> rules = domWindow->getMatchedCSSRules(m_element, "")) {
for (int i = rules->length(); i > 0; --i) {
CSSStyleRule* rule = static_cast<CSSStyleRule*>(rules->item(i - 1));
if (rule->style()->getPropertyPriority(propID))
return rule->style()->getPropertyValue(propID);
if (style->getPropertyValue(propID).isEmpty())
style = rule->style();
}
}
return style->getPropertyValue(propID);
}
if (strategy == ComputedStyle) {
if (!m_element || !m_element->isStyledElement())
return QString();
int propID = cssPropertyID(name);
RefPtr<CSSComputedStyleDeclaration> style = computedStyle(m_element);
if (!propID || !style)
return QString();
return style->getPropertyValue(propID);
}
return QString();
}
