OLD | NEW |
(Empty) | |
| 1 // Copyright 2015 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_ANDROID_HISTORY_REPORT_DELTA_FILE_SERVICE_H_ |
| 6 #define CHROME_BROWSER_ANDROID_HISTORY_REPORT_DELTA_FILE_SERVICE_H_ |
| 7 |
| 8 #include <string> |
| 9 #include <vector> |
| 10 |
| 11 #include "base/memory/scoped_ptr.h" |
| 12 #include "base/threading/sequenced_worker_pool.h" |
| 13 |
| 14 class GURL; |
| 15 |
| 16 namespace base { |
| 17 class FilePath; |
| 18 } // namespace base |
| 19 |
| 20 namespace history_report { |
| 21 |
| 22 class DeltaFileEntryWithData; |
| 23 class DeltaFileBackend; |
| 24 |
| 25 // Delta file for gmscore integration and history reporting. |
| 26 class DeltaFileService { |
| 27 public: |
| 28 explicit DeltaFileService(const base::FilePath& dir); |
| 29 ~DeltaFileService(); |
| 30 |
| 31 // Adds new addtion entry to delta file. |
| 32 void PageAdded(const GURL& url); |
| 33 // Adds new deletion entry to delta file. |
| 34 void PageDeleted(const GURL& url); |
| 35 // Removes all delta file entries with seqno <= lower_bound. |
| 36 // Returns max seqno in delta file. |
| 37 int64 Trim(int64 lower_bound); |
| 38 // Removes all data from delta file and populates it with new addition |
| 39 // entries for given urls. |
| 40 bool Recreate(const std::vector<std::string>& urls); |
| 41 // Provides up to limit delta file entries with seqno > last_seq_no. |
| 42 scoped_ptr<std::vector<DeltaFileEntryWithData> > Query(int64 last_seq_no, |
| 43 int32 limit); |
| 44 // Removes all entries from delta file. |
| 45 void Clear(); |
| 46 |
| 47 // Dumps internal state to string. |
| 48 std::string Dump(); |
| 49 |
| 50 private: |
| 51 |
| 52 base::SequencedWorkerPool::SequenceToken worker_pool_token_; |
| 53 scoped_ptr<DeltaFileBackend> delta_file_backend_; |
| 54 |
| 55 DISALLOW_COPY_AND_ASSIGN(DeltaFileService); |
| 56 }; |
| 57 |
| 58 } // namespace history_report |
| 59 |
| 60 #endif // CHROME_BROWSER_ANDROID_HISTORY_REPORT_DELTA_FILE_SERVICE_H_ |
OLD | NEW |