#include "config.h"
#include "CSSPageRule.h"
#include "CSSParser.h"
#include "CSSSelector.h"
#include "CSSStyleSheet.h"
#include "Document.h"
#include "PropertySetCSSStyleDeclaration.h"
#include "StyleProperties.h"
#include "StyleRule.h"
#include <wtf/Vector.h>
#include <wtf/text/StringBuilder.h>
namespace WebCore {
CSSPageRule::CSSPageRule(StyleRulePage* pageRule, CSSStyleSheet* parent)
: CSSRule(parent)
, m_pageRule(pageRule)
{
}
CSSPageRule::~CSSPageRule()
{
if (m_propertiesCSSOMWrapper)
m_propertiesCSSOMWrapper->clearParentRule();
}
CSSStyleDeclaration* CSSPageRule::style()
{
if (!m_propertiesCSSOMWrapper)
m_propertiesCSSOMWrapper = StyleRuleCSSStyleDeclaration::create(m_pageRule->mutableProperties(), *this);
return m_propertiesCSSOMWrapper.get();
}
String CSSPageRule::selectorText() const
{
StringBuilder text;
text.appendLiteral("@page");
const CSSSelector* selector = m_pageRule->selector();
if (selector) {
String pageSpecification = selector->selectorText();
if (!pageSpecification.isEmpty() && pageSpecification != starAtom) {
text.append(' ');
text.append(pageSpecification);
}
}
return text.toString();
}
void CSSPageRule::setSelectorText(const String& selectorText)
{
CSSParser parser(parserContext());
CSSSelectorList selectorList;
parser.parseSelector(selectorText, selectorList);
if (!selectorList.isValid())
return;
CSSStyleSheet::RuleMutationScope mutationScope(this);
m_pageRule->wrapperAdoptSelectorList(selectorList);
}
String CSSPageRule::cssText() const
{
StringBuilder result;
result.append(selectorText());
result.appendLiteral(" { ");
String decls = m_pageRule->properties().asText();
result.append(decls);
if (!decls.isEmpty())
result.append(' ');
result.append('}');
return result.toString();
}
void CSSPageRule::reattach(StyleRuleBase* rule)
{
ASSERT(rule);
ASSERT_WITH_SECURITY_IMPLICATION(rule->isPageRule());
m_pageRule = static_cast<StyleRulePage*>(rule);
if (m_propertiesCSSOMWrapper)
m_propertiesCSSOMWrapper->reattach(m_pageRule->mutableProperties());
}
}