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1 // Copyright (c) 2010 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_SESSION_CHANGE_PROCESSOR_H_ | |
6 #define CHROME_BROWSER_SYNC_GLUE_SESSION_CHANGE_PROCESSOR_H_ | |
7 #pragma once | |
8 | |
9 #include <vector> | |
10 #include "base/basictypes.h" | |
11 #include "chrome/browser/sessions/session_backend.h" | |
12 #include "chrome/browser/sessions/session_service.h" | |
13 #include "chrome/browser/sync/engine/syncapi.h" | |
14 #include "chrome/browser/sync/glue/change_processor.h" | |
15 #include "chrome/common/notification_observer.h" | |
16 #include "chrome/common/notification_type.h" | |
17 #include "chrome/common/notification_registrar.h" | |
18 | |
19 class NotificationDetails; | |
20 class NotificationSource; | |
21 class Profile; | |
22 | |
23 namespace browser_sync { | |
24 | |
25 class SessionModelAssociator; | |
26 class UnrecoverableErrorHandler; | |
27 | |
28 // This class is responsible for taking changes from the | |
29 // SessionService and applying them to the sync_api 'syncable' | |
30 // model, and vice versa. All operations and use of this class are | |
31 // from the UI thread. | |
32 class SessionChangeProcessor : public ChangeProcessor, | |
33 public NotificationObserver { | |
34 public: | |
35 // Does not take ownership of either argument. | |
36 SessionChangeProcessor( | |
37 UnrecoverableErrorHandler* error_handler, | |
38 SessionModelAssociator* session_model_associator); | |
39 virtual ~SessionChangeProcessor(); | |
40 | |
41 // NotificationObserver implementation. | |
42 // BrowserSessionProvider -> sync_api model change application. | |
43 virtual void Observe(NotificationType type, | |
44 const NotificationSource& source, | |
45 const NotificationDetails& details); | |
46 | |
47 // ChangeProcessor implementation. | |
48 // sync_api model -> BrowserSessionProvider change application. | |
49 virtual void ApplyChangesFromSyncModel( | |
50 const sync_api::BaseTransaction* trans, | |
51 const sync_api::SyncManager::ChangeRecord* changes, | |
52 int change_count); | |
53 | |
54 protected: | |
55 // ChangeProcessor implementation. | |
56 virtual void StartImpl(Profile* profile); | |
57 virtual void StopImpl(); | |
58 private: | |
59 void StartObserving(); | |
60 void StopObserving(); | |
61 void UpdateModel(const sync_api::BaseTransaction* trans, | |
62 const sync_api::SyncManager::ChangeRecord& change, bool associate); | |
63 SessionModelAssociator* session_model_associator_; | |
64 NotificationRegistrar notification_registrar_; | |
65 | |
66 // Owner of the SessionService. Non-NULL iff |running()| is true. | |
67 Profile* profile_; | |
68 | |
69 DISALLOW_COPY_AND_ASSIGN(SessionChangeProcessor); | |
70 }; | |
71 | |
72 } // namespace browser_sync | |
73 | |
74 #endif // CHROME_BROWSER_SYNC_GLUE_SESSION_CHANGE_PROCESSOR_H_ | |
75 | |
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