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| 1 // Copyright 2012 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_JS_MUTATION_EVENT_OBSERVER_H_ | |
| 6 #define SYNC_INTERNAL_API_JS_MUTATION_EVENT_OBSERVER_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <string> | |
| 11 | |
| 12 #include "base/compiler_specific.h" | |
| 13 #include "base/macros.h" | |
| 14 #include "base/memory/weak_ptr.h" | |
| 15 #include "base/threading/non_thread_safe.h" | |
| 16 #include "sync/base/sync_export.h" | |
| 17 #include "sync/internal_api/public/sync_manager.h" | |
| 18 #include "sync/internal_api/public/util/weak_handle.h" | |
| 19 #include "sync/syncable/transaction_observer.h" | |
| 20 | |
| 21 namespace tracked_objects { | |
| 22 class Location; | |
| 23 } // namespace tracked_objects | |
| 24 | |
| 25 namespace syncer { | |
| 26 | |
| 27 class JsEventDetails; | |
| 28 class JsEventHandler; | |
| 29 | |
| 30 // Observes all change- and transaction-related events and routes a | |
| 31 // summarized version to a JsEventHandler. | |
| 32 class SYNC_EXPORT JsMutationEventObserver | |
| 33 : public SyncManager::ChangeObserver, | |
| 34 public syncable::TransactionObserver, | |
| 35 public base::NonThreadSafe { | |
| 36 public: | |
| 37 JsMutationEventObserver(); | |
| 38 | |
| 39 ~JsMutationEventObserver() override; | |
| 40 | |
| 41 base::WeakPtr<JsMutationEventObserver> AsWeakPtr(); | |
| 42 | |
| 43 void InvalidateWeakPtrs(); | |
| 44 | |
| 45 void SetJsEventHandler(const WeakHandle<JsEventHandler>& event_handler); | |
| 46 | |
| 47 // SyncManager::ChangeObserver implementation. | |
| 48 void OnChangesApplied(ModelType model_type, | |
| 49 int64_t write_transaction_id, | |
| 50 const ImmutableChangeRecordList& changes) override; | |
| 51 void OnChangesComplete(ModelType model_type) override; | |
| 52 | |
| 53 // syncable::TransactionObserver implementation. | |
| 54 void OnTransactionWrite( | |
| 55 const syncable::ImmutableWriteTransactionInfo& write_transaction_info, | |
| 56 ModelTypeSet models_with_changes) override; | |
| 57 | |
| 58 private: | |
| 59 WeakHandle<JsEventHandler> event_handler_; | |
| 60 | |
| 61 void HandleJsEvent( | |
| 62 const tracked_objects::Location& from_here, | |
| 63 const std::string& name, const JsEventDetails& details); | |
| 64 | |
| 65 base::WeakPtrFactory<JsMutationEventObserver> weak_ptr_factory_; | |
| 66 | |
| 67 DISALLOW_COPY_AND_ASSIGN(JsMutationEventObserver); | |
| 68 }; | |
| 69 | |
| 70 } // namespace syncer | |
| 71 | |
| 72 #endif // SYNC_INTERNAL_API_JS_MUTATION_EVENT_OBSERVER_H_ | |
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Chromium Code Reviews
Issue 2130453004:
[Sync] Move //sync to //components/sync. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master