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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_JS_JS_BACKEND_H_ | |
6 #define SYNC_JS_JS_BACKEND_H_ | |
7 | |
8 // See README.js for design comments. | |
9 | |
10 #include <string> | |
11 | |
12 #include "sync/base/sync_export.h" | |
13 | |
14 namespace syncer { | |
15 | |
16 class JsEventHandler; | |
17 template <typename T> class WeakHandle; | |
18 | |
19 // Interface representing the backend of chrome://sync-internals. A | |
20 // JsBackend can handle messages and can emit events to a | |
21 // JsEventHandler. | |
22 class SYNC_EXPORT JsBackend { | |
23 public: | |
24 // Starts emitting events to the given handler, if initialized. | |
25 virtual void SetJsEventHandler( | |
26 const WeakHandle<JsEventHandler>& event_handler) = 0; | |
27 | |
28 protected: | |
29 virtual ~JsBackend() {} | |
30 }; | |
31 | |
32 } // namespace syncer | |
33 | |
34 #endif // SYNC_JS_JS_BACKEND_H_ | |
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