1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_TRACKER_ID_SET_H_ 6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_TRACKER_ID_SET_H_ 7 8 #include <set> 9 10 #include "base/basictypes.h" 11 12 namespace sync_file_system { 13 namespace drive_backend { 14 15 class FileTracker; 16 17 class TrackerIDSet { 18 public: 19 typedef std::set<int64> RawTrackerIDSet; 20 typedef RawTrackerIDSet::iterator iterator; 21 typedef RawTrackerIDSet::const_iterator const_iterator; 22 23 TrackerIDSet(); 24 ~TrackerIDSet(); 25 26 bool has_active() const { return !!active_tracker_; } 27 void Insert(const FileTracker& tracker); 28 void InsertActiveTracker(int64 tracker_id); 29 void InsertInactiveTracker(int64 tracker_id); 30 void Erase(int64 tracker_id); 31 void Activate(int64 tracker_id); 32 void Deactivate(int64 tracker_id); 33 34 int64 active_tracker() const { return active_tracker_; } 35 const RawTrackerIDSet& tracker_set() const { return tracker_ids_; } 36 37 iterator begin() { return tracker_ids_.begin(); } 38 iterator end() { return tracker_ids_.end(); } 39 const_iterator begin() const { return tracker_ids_.begin(); } 40 const_iterator end() const { return tracker_ids_.end(); } 41 bool empty() const { return tracker_ids_.empty(); } 42 size_t size() const { return tracker_ids_.size(); } 43 44 private: 45 int64 active_tracker_; 46 RawTrackerIDSet tracker_ids_; 47 }; 48 49 } // namespace drive_backend 50 } // namespace sync_file_system 51 52 #endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_TRACKER_ID_SET_H_ 53
