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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 SYNC_INTERNAL_API_PUBLIC_MODEL_TYPE_CONNECTOR_H_ | |
6 #define SYNC_INTERNAL_API_PUBLIC_MODEL_TYPE_CONNECTOR_H_ | |
7 | |
8 #include <memory> | |
9 | |
10 #include "sync/internal_api/public/base/model_type.h" | |
11 | |
12 namespace syncer_v2 { | |
13 struct ActivationContext; | |
14 | |
15 // An interface into the core parts of sync for USS model types. Handles | |
16 // creating the connection between the ModelTypeWorker (CommitQueue) on the sync | |
17 // side and the (Shared)ModelTypeProcessor on the model type side. | |
18 class SYNC_EXPORT ModelTypeConnector { | |
19 public: | |
20 ModelTypeConnector(); | |
21 virtual ~ModelTypeConnector(); | |
22 | |
23 // Connect a worker on the sync thread and |type|'s processor on the model | |
24 // thread. Note that in production |activation_context| actually owns a | |
25 // processor proxy that forwards calls to the model thread and is safe to call | |
26 // from the sync thread. | |
27 virtual void ConnectType( | |
28 syncer::ModelType type, | |
29 std::unique_ptr<ActivationContext> activation_context) = 0; | |
30 | |
31 // Disconnects the worker from |type|'s processor and stop syncing the type. | |
32 // | |
33 // This is the sync thread's chance to clear state associated with the type. | |
34 // It also causes the syncer to stop requesting updates for this type, and to | |
35 // abort any in-progress commit requests. | |
36 virtual void DisconnectType(syncer::ModelType type) = 0; | |
37 }; | |
38 | |
39 } // namespace syncer_v2 | |
40 | |
41 #endif // SYNC_INTERNAL_API_PUBLIC_MODEL_TYPE_CONNECTOR_H_ | |
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