bool ApplicationCacheStorage::storeCopyOfCache(const String& cacheDirectory, ApplicationCacheHost* cacheHost)
{
ApplicationCache* cache = cacheHost->applicationCache();
if (!cache)
return true;
// Create a new cache.
RefPtr<ApplicationCache> cacheCopy = ApplicationCache::create();
cacheCopy->setOnlineWhitelist(cache->onlineWhitelist());
cacheCopy->setFallbackURLs(cache->fallbackURLs());
// Traverse the cache and add copies of all resources.
ApplicationCache::ResourceMap::const_iterator end = cache->end();
for (ApplicationCache::ResourceMap::const_iterator it = cache->begin(); it != end; ++it) {
ApplicationCacheResource* resource = it->second.get();
RefPtr<ApplicationCacheResource> resourceCopy = ApplicationCacheResource::create(resource->url(), resource->response(), resource->type(), resource->data());
cacheCopy->addResource(resourceCopy.release());
}
// Now create a new cache group.
OwnPtr<ApplicationCacheGroup> groupCopy(new ApplicationCacheGroup(cache->group()->manifestURL(), true));
groupCopy->setNewestCache(cacheCopy);
ApplicationCacheStorage copyStorage;
copyStorage.setCacheDirectory(cacheDirectory);
// Empty the cache in case something was there before.
copyStorage.empty();
return copyStorage.storeNewestCache(groupCopy.get());
}
