chrome/browser/android/history_report/data_provider.h

   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_DATA_PROVIDER_H_
   6 #define CHROME_BROWSER_ANDROID_HISTORY_REPORT_DATA_PROVIDER_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/task/cancelable_task_tracker.h"
  12
  13 class Profile;
  14
  15 namespace history {
  16 class HistoryService;
  17 }
  18
  19 namespace bookmarks {
  20 class BookmarkModel;
  21 }
  22
  23 namespace history_report {
  24
  25 class DeltaFileEntryWithData;
  26 class DeltaFileService;
  27 class UsageReportsBufferService;
  28
  29 // Provides data from History and Bookmark backends.
  30 class DataProvider {
  31  public:
  32   DataProvider(Profile* profile,
  33                DeltaFileService* delta_file_service,
  34                bookmarks::BookmarkModel* bookmark_model);
  35   ~DataProvider();
  36
  37   // Provides up to limit delta file entries with sequence number > last_seq_no.
  38   scoped_ptr<std::vector<DeltaFileEntryWithData> > Query(int64 last_seq_no,
  39                                                          int32 limit);
  40   void StartVisitMigrationToUsageBuffer(
  41       UsageReportsBufferService* buffer_service);
  42
  43  private:
  44   void RecreateLog();
  45
  46   history::HistoryService* history_service_;
  47   bookmarks::BookmarkModel* bookmark_model_;
  48   DeltaFileService* delta_file_service_;
  49   base::CancelableTaskTracker history_task_tracker_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(DataProvider);
  52 };
  53
  54 }  // namespace history_report
  55
  56 #endif  // CHROME_BROWSER_ANDROID_HISTORY_REPORT_DATA_PROVIDER_H_