#include "config.h"
#include "CSSMediaRule.h"
#include "CSSParser.h"
#include "ExceptionCode.h"
namespace WebCore {
CSSMediaRule::CSSMediaRule(CSSStyleSheet* parent, PassRefPtr<MediaList> media, PassRefPtr<CSSRuleList> rules)
: CSSRule(parent)
, m_lstMedia(media)
, m_lstCSSRules(rules)
{
int length = m_lstCSSRules->length();
for (int i = 0; i < length; i++)
m_lstCSSRules->item(i)->setParent(this);
}
CSSMediaRule::~CSSMediaRule()
{
if (m_lstMedia)
m_lstMedia->setParent(0);
int length = m_lstCSSRules->length();
for (int i = 0; i < length; i++)
m_lstCSSRules->item(i)->setParent(0);
}
unsigned CSSMediaRule::append(CSSRule* rule)
{
if (!rule)
return 0;
rule->setParent(this);
return m_lstCSSRules->insertRule(rule, m_lstCSSRules->length());
}
unsigned CSSMediaRule::insertRule(const String& rule, unsigned index, ExceptionCode& ec)
{
if (index > m_lstCSSRules->length()) {
ec = INDEX_SIZE_ERR;
return 0;
}
CSSParser p(useStrictParsing());
RefPtr<CSSRule> newRule = p.parseRule(parentStyleSheet(), rule);
if (!newRule) {
ec = SYNTAX_ERR;
return 0;
}
if (newRule->isImportRule()) {
ec = HIERARCHY_REQUEST_ERR;
return 0;
}
newRule->setParent(this);
unsigned returnedIndex = m_lstCSSRules->insertRule(newRule.get(), index);
stylesheet()->styleSheetChanged();
return returnedIndex;
}
void CSSMediaRule::deleteRule(unsigned index, ExceptionCode& ec)
{
if (index >= m_lstCSSRules->length()) {
ec = INDEX_SIZE_ERR;
return;
}
m_lstCSSRules->deleteRule(index);
stylesheet()->styleSheetChanged();
}
String CSSMediaRule::cssText() const
{
String result = "@media ";
if (m_lstMedia) {
result += m_lstMedia->mediaText();
result += " ";
}
result += "{ \n";
if (m_lstCSSRules) {
unsigned len = m_lstCSSRules->length();
for (unsigned i = 0; i < len; i++) {
result += " ";
result += m_lstCSSRules->item(i)->cssText();
result += "\n";
}
}
result += "}";
return result;
}
}