void ResourceFetcher::garbageCollectDocumentResources()
{
typedef Vector<String, 10> StringVector;
StringVector resourcesToDelete;
for (DocumentResourceMap::iterator it = m_documentResources.begin(); it != m_documentResources.end(); ++it) {
if (it->value->hasOneHandle())
resourcesToDelete.append(it->key);
}
m_documentResources.removeAll(resourcesToDelete);
}
void CachedResourceLoader::garbageCollectDocumentResources()
{
typedef Vector<String, 10> StringVector;
StringVector resourcesToDelete;
for (DocumentResourceMap::iterator it = m_documentResources.begin(); it != m_documentResources.end(); ++it) {
if (it->value->hasOneHandle()) {
resourcesToDelete.append(it->key);
it->value->setOwningCachedResourceLoader(0);
}
}
for (StringVector::const_iterator it = resourcesToDelete.begin(); it != resourcesToDelete.end(); ++it)
m_documentResources.remove(*it);
}
// Garbage collecting m_documentResources is a workaround for the
// CachedResourceHandles on the RHS being strong references. Ideally this
// would be a weak map, however CachedResourceHandles perform additional
// bookkeeping on CachedResources, so instead pseudo-GC them -- when the
// reference count reaches 1, m_documentResources is the only reference, so
// remove it from the map.
void CachedResourceLoader::garbageCollectDocumentResourcesTimerFired(Timer<CachedResourceLoader>* timer)
{
ASSERT_UNUSED(timer, timer == &m_garbageCollectDocumentResourcesTimer);
typedef Vector<String, 10> StringVector;
StringVector resourcesToDelete;
for (DocumentResourceMap::iterator it = m_documentResources.begin(); it != m_documentResources.end(); ++it) {
if (it->second->hasOneHandle()) {
resourcesToDelete.append(it->first);
it->second->setOwningCachedResourceLoader(0);
}
}
for (StringVector::const_iterator it = resourcesToDelete.begin(); it != resourcesToDelete.end(); ++it)
m_documentResources.remove(*it);
}
