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();
}
bool MemoryCache::evict(MemoryCacheEntry* entry)
{
ASSERT(WTF::isMainThread());
Resource* resource = entry->m_resource.get();
bool canDelete = resource->canDelete();
WTF_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>.
update(resource, resource->size(), 0, false);
removeFromLiveDecodedResourcesList(entry);
ResourceMap* resources = m_resourceMaps.get(resource->cacheIdentifier());
ASSERT(resources);
ResourceMap::iterator it = resources->find(resource->url());
ASSERT(it != resources->end());
#if ENABLE(OILPAN)
MemoryCacheEntry* entryPtr = it->value;
#else
OwnPtr<MemoryCacheEntry> entryPtr;
entryPtr.swap(it->value);
#endif
resources->remove(it);
#if ENABLE(OILPAN)
if (entryPtr)
entryPtr->dispose();
#endif
return canDelete;
}
void MemoryCache::makeDead(Resource* resource)
{
if (!contains(resource))
return;
m_liveSize -= resource->size();
m_deadSize += resource->size();
removeFromLiveDecodedResourcesList(getEntryForResource(resource));
}
void MemoryCache::evict(Resource* 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 (resource->inCache()) {
// Remove from the resource map.
m_resources.remove(resource->url());
resource->setInCache(false);
// Remove from the appropriate LRU list.
removeFromLRUList(resource);
removeFromLiveDecodedResourcesList(resource);
adjustSize(resource->hasClients(), -static_cast<int>(resource->size()));
} else
ASSERT(m_resources.get(resource->url()) != resource);
resource->deleteIfPossible();
}
void MemoryCache::updateDecodedResource(Resource* resource, UpdateReason reason, MemoryCacheLiveResourcePriority priority)
{
MemoryCacheEntry* entry = getEntryForResource(resource);
if (!entry)
return;
removeFromLiveDecodedResourcesList(entry);
if (priority != MemoryCacheLiveResourcePriorityUnknown && priority != entry->m_liveResourcePriority)
entry->m_liveResourcePriority = priority;
if (resource->decodedSize() && resource->hasClients())
insertInLiveDecodedResourcesList(entry);
if (reason != UpdateForAccess)
return;
double timestamp = resource->isImage() ? m_lastFramePaintTimeStamp : 0.0;
if (!timestamp)
timestamp = currentTime();
entry->m_lastDecodedAccessTime = timestamp;
}
void MemoryCache::evict(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 (resource->inCache()) {
// Remove from the resource map.
#if ENABLE(CACHE_PARTITIONING)
CachedResourceItem* item = m_resources.get(resource->url());
if (item) {
item->remove(resource->cachePartition());
if (!item->size())
m_resources.remove(resource->url());
}
#else
m_resources.remove(resource->url());
#endif
resource->setInCache(false);
// Remove from the appropriate LRU list.
removeFromLRUList(resource);
removeFromLiveDecodedResourcesList(resource);
// If the resource was purged, it means we had already decremented the size when we made the
// resource purgeable in makeResourcePurgeable(). So adjust the size if we are evicting a
// resource that was not marked as purgeable.
if (!MemoryCache::shouldMakeResourcePurgeableOnEviction() || !resource->isPurgeable())
adjustSize(resource->hasClients(), -static_cast<int>(resource->size()));
} else
#if ENABLE(CACHE_PARTITIONING)
ASSERT(!m_resources.get(resource->url()) || m_resources.get(resource->url())->get(resource->cachePartition()) != resource);
#else
ASSERT(m_resources.get(resource->url()) != resource);
#endif
resource->deleteIfPossible();
}