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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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_NTP_SNIPPETS_SESSIONS_TAB_DELEGATE_SYNC_ADAPTER_H_ | 5 #ifndef COMPONENTS_NTP_SNIPPETS_SESSIONS_TAB_DELEGATE_SYNC_ADAPTER_H_ |
6 #define COMPONENTS_NTP_SNIPPETS_SESSIONS_TAB_DELEGATE_SYNC_ADAPTER_H_ | 6 #define COMPONENTS_NTP_SNIPPETS_SESSIONS_TAB_DELEGATE_SYNC_ADAPTER_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
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38 // syncer::SyncServiceObserver implementation. | 38 // syncer::SyncServiceObserver implementation. |
39 void OnStateChanged() override; | 39 void OnStateChanged() override; |
40 void OnSyncConfigurationCompleted() override; | 40 void OnSyncConfigurationCompleted() override; |
41 void OnForeignSessionUpdated() override; | 41 void OnForeignSessionUpdated() override; |
42 | 42 |
43 void InvokeCallback(); | 43 void InvokeCallback(); |
44 | 44 |
45 syncer::SyncService* sync_service_; | 45 syncer::SyncService* sync_service_; |
46 base::Closure change_callback_; | 46 base::Closure change_callback_; |
47 | 47 |
| 48 // Represents whether there was session data the last time |change_callback_| |
| 49 // was invoked. |
| 50 bool had_session_data_ = false; |
| 51 |
48 DISALLOW_COPY_AND_ASSIGN(TabDelegateSyncAdapter); | 52 DISALLOW_COPY_AND_ASSIGN(TabDelegateSyncAdapter); |
49 }; | 53 }; |
50 | 54 |
51 } // namespace ntp_snippets | 55 } // namespace ntp_snippets |
52 | 56 |
53 #endif // COMPONENTS_NTP_SNIPPETS_SESSIONS_TAB_DELEGATE_SYNC_ADAPTER_H_ | 57 #endif // COMPONENTS_NTP_SNIPPETS_SESSIONS_TAB_DELEGATE_SYNC_ADAPTER_H_ |
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