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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_SYNC_ENGINE_IMPL_COMMIT_CONTRIBUTOR_H_ | 5 #ifndef COMPONENTS_SYNC_ENGINE_IMPL_COMMIT_CONTRIBUTOR_H_ |
6 #define COMPONENTS_SYNC_ENGINE_IMPL_COMMIT_CONTRIBUTOR_H_ | 6 #define COMPONENTS_SYNC_ENGINE_IMPL_COMMIT_CONTRIBUTOR_H_ |
7 | 7 |
8 #include <cstddef> | 8 #include <cstddef> |
9 #include <memory> | 9 #include <memory> |
10 | 10 |
11 | 11 |
12 namespace syncer { | 12 namespace syncer { |
13 | 13 |
14 class CommitContribution; | 14 class CommitContribution; |
15 | 15 |
16 namespace syncable { | |
17 class Directory; | |
18 } | |
19 | |
20 // This class represents a source of items to commit to the sync server. | 16 // This class represents a source of items to commit to the sync server. |
21 // | 17 // |
22 // When asked, it can return CommitContribution objects that contain a set of | 18 // When asked, it can return CommitContribution objects that contain a set of |
23 // items to be committed from this source. | 19 // items to be committed from this source. |
24 class CommitContributor { | 20 class CommitContributor { |
25 public: | 21 public: |
26 CommitContributor(); | 22 CommitContributor(); |
27 virtual ~CommitContributor() = 0; | 23 virtual ~CommitContributor() = 0; |
28 | 24 |
29 // Gathers up to |max_entries| unsynced items from this contributor into a | 25 // Gathers up to |max_entries| unsynced items from this contributor into a |
30 // CommitContribution. Returns null when the contributor has nothing to | 26 // CommitContribution. Returns null when the contributor has nothing to |
31 // contribute. | 27 // contribute. |
32 virtual std::unique_ptr<CommitContribution> GetContribution( | 28 virtual std::unique_ptr<CommitContribution> GetContribution( |
33 size_t max_entries) = 0; | 29 size_t max_entries) = 0; |
34 }; | 30 }; |
35 | 31 |
36 } // namespace syncer | 32 } // namespace syncer |
37 | 33 |
38 #endif // COMPONENTS_SYNC_ENGINE_IMPL_COMMIT_CONTRIBUTOR_H_ | 34 #endif // COMPONENTS_SYNC_ENGINE_IMPL_COMMIT_CONTRIBUTOR_H_ |
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