void MemoryCache::remove(CachedResource& resource)
{
ASSERT(WTF::isMainThread());
LOG(ResourceLoading, "Evicting resource %p for '%s' from cache", &resource, resource.url().string().latin1().data());
// The resource may have already been removed by someone other than our caller,
// who needed a fresh copy for a reload. See <http://bugs.webkit.org/show_bug.cgi?id=12479#c6>.
if (auto* resources = sessionResourceMap(resource.sessionID())) {
#if ENABLE(CACHE_PARTITIONING)
auto key = std::make_pair(resource.url(), resource.cachePartition());
#else
auto& key = resource.url();
#endif
if (resource.inCache()) {
// Remove resource from the resource map.
resources->remove(key);
resource.setInCache(false);
// If the resource map is now empty, remove it from m_sessionResources.
if (resources->isEmpty())
m_sessionResources.remove(resource.sessionID());
// Remove from the appropriate LRU list.
removeFromLRUList(resource);
removeFromLiveDecodedResourcesList(resource);
adjustSize(resource.hasClients(), -static_cast<int>(resource.size()));
} else
ASSERT(resources->get(key) != &resource);
}
resource.deleteIfPossible();
}
void CachedResourceLoader::clearPreloads()
{
#if PRELOAD_DEBUG
printPreloadStats();
#endif
if (!m_preloads)
return;
ListHashSet<CachedResource*>::iterator end = m_preloads->end();
for (ListHashSet<CachedResource*>::iterator it = m_preloads->begin(); it != end; ++it) {
CachedResource* res = *it;
res->decreasePreloadCount();
bool deleted = res->deleteIfPossible();
if (!deleted && res->preloadResult() == CachedResource::PreloadNotReferenced)
memoryCache()->remove(res);
}
m_preloads.clear();
}
