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| 1 // Copyright (c) 2011 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_JS_TRANSACTION_OBSERVER_H_ | |
| 6 #define CHROME_BROWSER_SYNC_JS_TRANSACTION_OBSERVER_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/compiler_specific.h" | |
| 13 #include "base/threading/non_thread_safe.h" | |
| 14 #include "chrome/browser/sync/syncable/transaction_observer.h" | |
| 15 #include "chrome/browser/sync/weak_handle.h" | |
| 16 | |
| 17 namespace tracked_objects { | |
| 18 class Location; | |
| 19 } // namespace tracked_objects | |
| 20 | |
| 21 namespace browser_sync { | |
| 22 | |
| 23 class JsEventDetails; | |
| 24 class JsEventHandler; | |
| 25 | |
| 26 // Routes SyncManager events to a JsEventHandler. | |
| 27 class JsTransactionObserver : public syncable::TransactionObserver { | |
| 28 public: | |
| 29 JsTransactionObserver(); | |
| 30 | |
| 31 virtual ~JsTransactionObserver(); | |
| 32 | |
| 33 void SetJsEventHandler(const WeakHandle<JsEventHandler>& event_handler); | |
| 34 | |
| 35 // syncable::TransactionObserver implementation. | |
| 36 virtual void OnTransactionStart( | |
| 37 const tracked_objects::Location& location, | |
| 38 const syncable::WriterTag& writer) OVERRIDE; | |
| 39 virtual void OnTransactionMutate( | |
| 40 const tracked_objects::Location& location, | |
| 41 const syncable::WriterTag& writer, | |
| 42 const syncable::EntryKernelMutationSet& mutations, | |
| 43 const syncable::ModelTypeBitSet& models_with_changes) OVERRIDE; | |
| 44 virtual void OnTransactionEnd( | |
| 45 const tracked_objects::Location& location, | |
| 46 const syncable::WriterTag& writer) OVERRIDE; | |
| 47 | |
| 48 private: | |
| 49 base::NonThreadSafe non_thread_safe_; | |
| 50 WeakHandle<JsEventHandler> event_handler_; | |
| 51 | |
| 52 void HandleJsEvent( | |
| 53 const tracked_objects::Location& from_here, | |
| 54 const std::string& name, const JsEventDetails& details); | |
| 55 | |
| 56 DISALLOW_COPY_AND_ASSIGN(JsTransactionObserver); | |
| 57 }; | |
| 58 | |
| 59 } // namespace browser_sync | |
| 60 | |
| 61 #endif // CHROME_BROWSER_SYNC_JS_TRANSACTION_OBSERVER_H_ | |
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