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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_TETHER_PERSISTENT_HOST_SCAN_CACHE_IMPL_H_
#define CHROMEOS_ASH_COMPONENTS_TETHER_PERSISTENT_HOST_SCAN_CACHE_IMPL_H_
#include <string>
#include <unordered_map>
#include <unordered_set>
#include "base/memory/raw_ptr.h"
#include "chromeos/ash/components/tether/persistent_host_scan_cache.h"
class PrefRegistrySimple;
class PrefService;
namespace ash {
namespace tether {
// HostScanCache implementation which stores scan results in persistent user
// prefs.
class PersistentHostScanCacheImpl : public PersistentHostScanCache {
public:
// Registers the prefs used by this class to the given |registry|.
static void RegisterPrefs(PrefRegistrySimple* registry);
PersistentHostScanCacheImpl(PrefService* pref_service);
PersistentHostScanCacheImpl(const PersistentHostScanCacheImpl&) = delete;
PersistentHostScanCacheImpl& operator=(const PersistentHostScanCacheImpl&) =
delete;
~PersistentHostScanCacheImpl() override;
// HostScanCache:
void SetHostScanResult(const HostScanCacheEntry& entry) override;
bool ExistsInCache(const std::string& tether_network_guid) override;
std::unordered_set<std::string> GetTetherGuidsInCache() override;
bool DoesHostRequireSetup(const std::string& tether_network_guid) override;
// PersistentHostScanCache:
std::unordered_map<std::string, HostScanCacheEntry> GetStoredCacheEntries()
override;
protected:
bool RemoveHostScanResultImpl(
const std::string& tether_network_guid) override;
private:
void StoreCacheEntriesToPrefs(
const std::unordered_map<std::string, HostScanCacheEntry>& entries);
raw_ptr<PrefService> pref_service_;
};
} // namespace tether
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_TETHER_PERSISTENT_HOST_SCAN_CACHE_IMPL_H_
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