1// Copyright (c) 2012 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_GLUE_TYPED_URL_DATA_TYPE_CONTROLLER_H__
6#define CHROME_BROWSER_SYNC_GLUE_TYPED_URL_DATA_TYPE_CONTROLLER_H__
7
8#include <string>
9
10#include "base/compiler_specific.h"
11#include "base/memory/ref_counted.h"
12#include "base/prefs/pref_change_registrar.h"
13#include "base/task/cancelable_task_tracker.h"
14#include "chrome/browser/sync/glue/non_frontend_data_type_controller.h"
15
16class HistoryService;
17
18namespace history {
19class HistoryBackend;
20}
21
22namespace browser_sync {
23
24class ControlTask;
25
26// A class that manages the startup and shutdown of typed_url sync.
27class TypedUrlDataTypeController : public NonFrontendDataTypeController {
28 public:
29  TypedUrlDataTypeController(
30      ProfileSyncComponentsFactory* profile_sync_factory,
31      Profile* profile,
32      ProfileSyncService* sync_service);
33
34  // NonFrontendDataTypeController implementation
35  virtual syncer::ModelType type() const OVERRIDE;
36  virtual syncer::ModelSafeGroup model_safe_group() const OVERRIDE;
37  virtual bool ReadyForStart() const OVERRIDE;
38
39  // Invoked on the history thread to set our history backend - must be called
40  // before CreateSyncComponents() is invoked.
41  void SetBackend(history::HistoryBackend* backend);
42
43 protected:
44  // NonFrontendDataTypeController interface.
45  virtual bool PostTaskOnBackendThread(
46      const tracked_objects::Location& from_here,
47      const base::Closure& task) OVERRIDE;
48  virtual ProfileSyncComponentsFactory::SyncComponents CreateSyncComponents()
49      OVERRIDE;
50  virtual void DisconnectProcessor(
51      sync_driver::ChangeProcessor* processor) OVERRIDE;
52
53 private:
54  virtual ~TypedUrlDataTypeController();
55
56  void OnSavingBrowserHistoryDisabledChanged();
57
58  history::HistoryBackend* backend_;
59  PrefChangeRegistrar pref_registrar_;
60
61  // Helper object to make sure we don't leave tasks running on the history
62  // thread.
63  base::CancelableTaskTracker task_tracker_;
64
65  DISALLOW_COPY_AND_ASSIGN(TypedUrlDataTypeController);
66};
67
68}  // namespace browser_sync
69
70#endif  // CHROME_BROWSER_SYNC_GLUE_TYPED_URL_DATA_TYPE_CONTROLLER_H__
71