#include "config.h"
#include "CSSImportRule.h"
#include "CachedCSSStyleSheet.h"
#include "DocLoader.h"
#include "Document.h"
#include "SecurityOrigin.h"
#include "Settings.h"
#include <wtf/StdLibExtras.h>
namespace WebCore {
CSSImportRule::CSSImportRule(CSSStyleSheet* parent, const String& href, PassRefPtr<MediaList> media)
: CSSRule(parent)
, m_strHref(href)
, m_lstMedia(media)
, m_cachedSheet(0)
, m_loading(false)
{
if (m_lstMedia)
m_lstMedia->setParent(this);
else
m_lstMedia = MediaList::create(this, String());
}
CSSImportRule::~CSSImportRule()
{
if (m_lstMedia)
m_lstMedia->setParent(0);
if (m_styleSheet)
m_styleSheet->setParent(0);
if (m_cachedSheet)
m_cachedSheet->removeClient(this);
}
void CSSImportRule::setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CachedCSSStyleSheet* sheet)
{
if (m_styleSheet)
m_styleSheet->setParent(0);
m_styleSheet = CSSStyleSheet::create(this, href, baseURL, charset);
bool crossOriginCSS = false;
bool validMIMEType = false;
CSSStyleSheet* parent = parentStyleSheet();
bool strict = !parent || parent->useStrictParsing();
bool enforceMIMEType = strict;
bool needsSiteSpecificQuirks = parent && parent->doc() && parent->doc()->settings() && parent->doc()->settings()->needsSiteSpecificQuirks();
#if defined(BUILDING_ON_TIGER) || defined(BUILDING_ON_LEOPARD)
if (enforceMIMEType && needsSiteSpecificQuirks) {
if (baseURL.string().contains("mcafee.com/japan/", false))
enforceMIMEType = false;
}
#endif
String sheetText = sheet->sheetText(enforceMIMEType, &validMIMEType);
m_styleSheet->parseString(sheetText, strict);
if (!parent || !parent->doc() || !parent->doc()->securityOrigin()->canRequest(baseURL))
crossOriginCSS = true;
if (crossOriginCSS && !validMIMEType && !m_styleSheet->hasSyntacticallyValidCSSHeader())
m_styleSheet = CSSStyleSheet::create(this, href, baseURL, charset);
if (strict && needsSiteSpecificQuirks) {
DEFINE_STATIC_LOCAL(const String, slashKHTMLFixesDotCss, ("/KHTMLFixes.css"));
DEFINE_STATIC_LOCAL(const String, mediaWikiKHTMLFixesStyleSheet, ("/* KHTML fix stylesheet */\n/* work around the horizontal scrollbars */\n#column-content { margin-left: 0; }\n\n"));
if (baseURL.string().endsWith(slashKHTMLFixesDotCss) && sheetText == mediaWikiKHTMLFixesStyleSheet) {
ASSERT(m_styleSheet->length() == 1);
ExceptionCode ec;
m_styleSheet->deleteRule(0, ec);
}
}
m_loading = false;
if (parent)
parent->checkLoaded();
}
bool CSSImportRule::isLoading() const
{
return m_loading || (m_styleSheet && m_styleSheet->isLoading());
}
void CSSImportRule::insertedIntoParent()
{
CSSStyleSheet* parentSheet = parentStyleSheet();
if (!parentSheet)
return;
DocLoader* docLoader = parentSheet->doc()->docLoader();
if (!docLoader)
return;
String absHref = m_strHref;
if (!parentSheet->putativeBaseURL().isNull())
absHref = KURL(parentSheet->putativeBaseURL(), m_strHref).string();
StyleBase* root = this;
for (StyleBase* curr = parent(); curr; curr = curr->parent()) {
if (curr->isCSSStyleSheet() && absHref == static_cast<CSSStyleSheet*>(curr)->putativeBaseURL().string())
return;
root = curr;
}
if (parentSheet->isUserStyleSheet())
m_cachedSheet = docLoader->requestUserCSSStyleSheet(absHref, parentSheet->charset());
else
m_cachedSheet = docLoader->requestCSSStyleSheet(absHref, parentSheet->charset());
if (m_cachedSheet) {
if (parentSheet && parentSheet->loadCompleted() && root == parentSheet)
parentSheet->doc()->addPendingSheet();
m_loading = true;
m_cachedSheet->addClient(this);
}
}
String CSSImportRule::cssText() const
{
String result = "@import url(\"";
result += m_strHref;
result += "\")";
if (m_lstMedia) {
result += " ";
result += m_lstMedia->mediaText();
}
result += ";";
return result;
}
void CSSImportRule::addSubresourceStyleURLs(ListHashSet<KURL>& urls)
{
if (m_styleSheet)
addSubresourceURL(urls, m_styleSheet->baseURL());
}
}