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_GLUE_HISTORY_DELETE_DIRECTIVES_DATA_TYPE_CONTROLLER_H_
6#define CHROME_BROWSER_SYNC_GLUE_HISTORY_DELETE_DIRECTIVES_DATA_TYPE_CONTROLLER_H_
7
8#include "chrome/browser/sync/profile_sync_service_observer.h"
9#include "components/sync_driver/local_device_info_provider.h"
10#include "components/sync_driver/ui_data_type_controller.h"
11
12class Profile;
13class ProfileSyncService;
14
15namespace browser_sync {
16
17// A controller for delete directives, which cannot sync when full encryption
18// is enabled.
19class HistoryDeleteDirectivesDataTypeController
20    : public sync_driver::UIDataTypeController,
21      public ProfileSyncServiceObserver {
22 public:
23  HistoryDeleteDirectivesDataTypeController(
24      sync_driver::SyncApiComponentFactory* factory,
25      ProfileSyncService* sync_service);
26
27  // UIDataTypeController override.
28  virtual bool ReadyForStart() const OVERRIDE;
29  virtual bool StartModels() OVERRIDE;
30  virtual void StopModels() OVERRIDE;
31
32  // ProfileSyncServiceBaseObserver implementation.
33  virtual void OnStateChanged() OVERRIDE;
34
35 private:
36  // Refcounted.
37  virtual ~HistoryDeleteDirectivesDataTypeController();
38
39  // Triggers a SingleDataTypeUnrecoverable error and returns true if the
40  // type is no longer ready, else does nothing and returns false.
41  bool DisableTypeIfNecessary();
42
43  ProfileSyncService* sync_service_;
44
45  DISALLOW_COPY_AND_ASSIGN(HistoryDeleteDirectivesDataTypeController);
46};
47
48}  // namespace browser_sync
49
50#endif  // CHROME_BROWSER_SYNC_GLUE_HISTORY_DELETE_DIRECTIVES_DATA_TYPE_CONTROLLER_H_
51