예제 #1
0
void MemoryCache::revalidationSucceeded(CachedResource* revalidatingResource, const ResourceResponse& response)
{
    CachedResource* resource = revalidatingResource->resourceToRevalidate();
    ASSERT(resource);
    ASSERT(!resource->inCache());
    ASSERT(resource->isLoaded());
    ASSERT(revalidatingResource->inCache());

    // Calling evict() can potentially delete revalidatingResource, which we use
    // below. This mustn't be the case since revalidation means it is loaded
    // and so canDelete() is false.
    ASSERT(!revalidatingResource->canDelete());

    evict(revalidatingResource);

    CachedResourceMap& resources = getSessionMap(resource->sessionID());
#if ENABLE(CACHE_PARTITIONING)
    ASSERT(!resources.get(resource->url()) || !resources.get(resource->url())->get(resource->cachePartition()));
    CachedResourceItem* originMap = resources.get(resource->url());
    if (!originMap) {
        originMap = new CachedResourceItem;
        resources.set(resource->url(), adoptPtr(originMap));
    }
    originMap->set(resource->cachePartition(), resource);
#else
    ASSERT(!resources.get(resource->url()));
    resources.set(resource->url(), resource);
#endif
    resource->setInCache(true);
    resource->updateResponseAfterRevalidation(response);
    insertInLRUList(resource);
    int delta = resource->size();
    if (resource->decodedSize() && resource->hasClients())
        insertInLiveDecodedResourcesList(resource);
    if (delta)
        adjustSize(resource->hasClients(), delta);
    
    revalidatingResource->switchClientsToRevalidatedResource();
    ASSERT(!revalidatingResource->m_deleted);
    // this deletes the revalidating resource
    revalidatingResource->clearResourceToRevalidate();
}