| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // 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(); |
| |
| // 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_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SessionsGlobalIdMapper); |
| }; |
| |
| } // namespace sync_sessions |
| |
| #endif // COMPONENTS_SYNC_SESSIONS_SESSIONS_GLOBAL_ID_MAPPER_H_ |