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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SYNC_SESSIONS_SESSIONS_GLOBAL_ID_MAPPER_H_
#define COMPONENTS_SYNC_SESSIONS_SESSIONS_GLOBAL_ID_MAPPER_H_
#include <map>
#include <vector>
#include "base/time/time.h"
#include "components/sync_user_events/global_id_mapper.h"
namespace sync_sessions {
// Actual implementation of GlobalIdMapper used by sessions.
class SessionsGlobalIdMapper : public syncer::GlobalIdMapper {
public:
SessionsGlobalIdMapper();
SessionsGlobalIdMapper(const SessionsGlobalIdMapper&) = delete;
SessionsGlobalIdMapper& operator=(const SessionsGlobalIdMapper&) = delete;
~SessionsGlobalIdMapper();
// GlobalIdMapper implementation.
void AddGlobalIdChangeObserver(syncer::GlobalIdChange callback) override;
int64_t GetLatestGlobalId(int64_t global_id) override;
void TrackNavigationId(const base::Time& timestamp, int unique_id);
private:
void CleanupNavigationTracking();
std::map<int64_t, int> global_to_unique_;
std::map<int, int64_t> unique_to_current_global_;
std::vector<syncer::GlobalIdChange> global_id_change_observers_;
};
} // namespace sync_sessions
#endif // COMPONENTS_SYNC_SESSIONS_SESSIONS_GLOBAL_ID_MAPPER_H_
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