CachedCSSStyleSheet* CachedResourceLoader::requestUserCSSStyleSheet(ResourceRequest& request, const String& charset)
{
KURL url = MemoryCache::removeFragmentIdentifierIfNeeded(request.url());
if (CachedResource* existing = memoryCache()->resourceForURL(url)) {
if (existing->type() == CachedResource::CSSStyleSheet)
return static_cast<CachedCSSStyleSheet*>(existing);
memoryCache()->remove(existing);
}
if (url.string() != request.url())
request.setURL(url);
CachedCSSStyleSheet* userSheet = new CachedCSSStyleSheet(request, charset);
bool inCache = memoryCache()->add(userSheet);
if (!inCache)
userSheet->setInCache(true);
userSheet->load(this, ResourceLoaderOptions(DoNotSendCallbacks, SniffContent, BufferData, AllowStoredCredentials, AskClientForCrossOriginCredentials, SkipSecurityCheck));
if (!inCache)
userSheet->setInCache(false);
return userSheet;
}
CachedCSSStyleSheet* CachedResourceLoader::requestUserCSSStyleSheet(ResourceRequest& request, const String& charset)
{
KURL url = MemoryCache::removeFragmentIdentifierIfNeeded(request.url());
if (CachedResource* existing = memoryCache()->resourceForURL(url)) {
if (existing->type() == CachedResource::CSSStyleSheet)
return static_cast<CachedCSSStyleSheet*>(existing);
memoryCache()->remove(existing);
}
if (url.string() != request.url())
request.setURL(url);
CachedCSSStyleSheet* userSheet = new CachedCSSStyleSheet(request, charset);
bool inCache = memoryCache()->add(userSheet);
if (!inCache)
userSheet->setInCache(true);
userSheet->load(this, /*incremental*/ false, SkipSecurityCheck, /*sendResourceLoadCallbacks*/ false);
if (!inCache)
userSheet->setInCache(false);
return userSheet;
}
void HTMLLinkElement::initializeStyleSheet(Ref<StyleSheetContents>&& styleSheet, const CachedCSSStyleSheet& cachedStyleSheet)
{
// FIXME: originClean should be turned to false except if fetch mode is CORS.
std::optional<bool> originClean;
if (cachedStyleSheet.options().mode == FetchOptions::Mode::Cors)
originClean = cachedStyleSheet.isCORSSameOrigin();
m_sheet = CSSStyleSheet::create(WTFMove(styleSheet), *this, originClean);
m_sheet->setMediaQueries(MediaQuerySet::create(m_media));
m_sheet->setTitle(title());
}
CachedCSSStyleSheet* DocLoader::requestCSSStyleSheet(const String& url, const String& charset, bool isUserStyleSheet)
{
// FIXME: Passing true for "skipCanLoadCheck" here in the isUserStyleSheet case won't have any effect
// if this resource is already in the cache. It's theoretically possible that what's in the cache already
// is a load that failed because of the canLoad check. Probably not an issue in practice.
CachedCSSStyleSheet *sheet = static_cast<CachedCSSStyleSheet*>(requestResource(CachedResource::CSSStyleSheet, url, &charset, isUserStyleSheet, !isUserStyleSheet));
// A user style sheet can outlive its DocLoader so don't store any pointers to it
if (sheet && isUserStyleSheet) {
sheet->setDocLoader(0);
m_docResources.remove(sheet->url());
}
return sheet;
}