void WebCache::clear()
{
Cache* cache = WebCore::cache();
if (cache && !cache->disabled()) {
// NOTE: I think using setDisabled() instead of setCapacities() will
// remove from the cache items that won't actually be freed from memory
// (due to other live references to them), so it just results in wasting
// time later and not saving memory compared to the below technique.
unsigned minDeadCapacity = cache->m_minDeadCapacity;
unsigned maxDeadCapacity = cache->m_maxDeadCapacity;
unsigned capacity = cache->m_capacity;
cache->setCapacities(0, 0, 0); // Will prune the cache.
cache->setCapacities(minDeadCapacity, maxDeadCapacity, capacity);
}
}
void WebCache::setCapacities(
size_t minDeadCapacity, size_t maxDeadCapacity, size_t capacity)
{
Cache* cache = WebCore::cache();
if (cache)
cache->setCapacities(static_cast<unsigned int>(minDeadCapacity),
static_cast<unsigned int>(maxDeadCapacity),
static_cast<unsigned int>(capacity));
}
