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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "services/network/shared_dictionary/shared_dictionary_cache.h"
#include "base/feature_list.h"
#include "base/memory/ref_counted.h"
#include "net/shared_dictionary/shared_dictionary.h"
#include "services/network/public/cpp/features.h"
#include "services/network/public/cpp/request_destination.h"
namespace network {
SharedDictionaryCache::SharedDictionaryCache()
: cache_(features::kSharedDictionaryCacheSize.Get()) {}
SharedDictionaryCache::~SharedDictionaryCache() = default;
scoped_refptr<net::SharedDictionary> SharedDictionaryCache::Get(
const base::UnguessableToken& cache_key) {
auto it = cache_.Get(cache_key);
if (it != cache_.end()) {
return it->second.get();
}
return nullptr;
}
void SharedDictionaryCache::Put(
const base::UnguessableToken& cache_key,
mojom::RequestDestination destination,
scoped_refptr<net::SharedDictionary> dictionary) {
if (base::FeatureList::IsEnabled(features::kSharedDictionaryCache) &&
dictionary->size() <=
features::kSharedDictionaryCacheMaxSizeBytes.Get() &&
(destination == mojom::RequestDestination::kDocument ||
destination == mojom::RequestDestination::kFrame ||
destination == mojom::RequestDestination::kIframe)) {
cache_.Put(cache_key, dictionary);
}
}
void SharedDictionaryCache::Clear() {
cache_.Clear();
}
} // namespace network
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