blob: ed4b54c7329cc9a8c4f4f4549bc58f84c453956c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_SYNC_GLUE_PASSWORD_CHANGE_PROCESSOR_H_
#define CHROME_BROWSER_SYNC_GLUE_PASSWORD_CHANGE_PROCESSOR_H_
#include "chrome/browser/sync/glue/change_processor.h"
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "chrome/browser/sync/glue/data_type_error_handler.h"
#include "chrome/browser/sync/glue/password_model_associator.h"
#include "chrome/browser/sync/glue/sync_backend_host.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/notification_types.h"
class PasswordStore;
namespace base {
class MessageLoop;
}
namespace browser_sync {
class DataTypeErrorHandler;
// This class is responsible for taking changes from the password backend and
// applying them to the sync API 'syncable' model, and vice versa. All
// operations and use of this class are from the DB thread on Windows and Linux,
// or the password thread on Mac.
class PasswordChangeProcessor : public ChangeProcessor,
public content::NotificationObserver {
public:
PasswordChangeProcessor(PasswordModelAssociator* model_associator,
PasswordStore* password_store,
DataTypeErrorHandler* error_handler);
virtual ~PasswordChangeProcessor();
// content::NotificationObserver implementation.
// Passwords -> sync API model change application.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// sync API model -> WebDataService change application.
virtual void ApplyChangesFromSyncModel(
const syncer::BaseTransaction* trans,
int64 model_version,
const syncer::ImmutableChangeRecordList& changes) OVERRIDE;
// Commit changes buffered during ApplyChanges. We must commit them to the
// password store only after the sync API transaction is released, else there
// is risk of deadlock due to the password store posting tasks to the UI
// thread (http://crbug.com/70658).
virtual void CommitChangesFromSyncModel() OVERRIDE;
protected:
virtual void StartImpl(Profile* profile) OVERRIDE;
private:
friend class ScopedStopObserving<PasswordChangeProcessor>;
void StartObserving();
void StopObserving();
// The two models should be associated according to this ModelAssociator.
PasswordModelAssociator* model_associator_;
// The model we are processing changes from. This is owned by the
// WebDataService which is kept alive by our data type controller
// holding a reference.
PasswordStore* password_store_;
// Buffers used between ApplyChangesFromSyncModel and
// CommitChangesFromSyncModel.
PasswordModelAssociator::PasswordVector new_passwords_;
PasswordModelAssociator::PasswordVector updated_passwords_;
PasswordModelAssociator::PasswordVector deleted_passwords_;
content::NotificationRegistrar notification_registrar_;
base::MessageLoop* expected_loop_;
DISALLOW_COPY_AND_ASSIGN(PasswordChangeProcessor);
};
} // namespace browser_sync
#endif // CHROME_BROWSER_SYNC_GLUE_PASSWORD_CHANGE_PROCESSOR_H_
|
