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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #include "sync/js/sync_js_controller.h" | 5 #include "components/sync/js/sync_js_controller.h" |
| 6 | 6 |
| 7 #include "base/location.h" | 7 #include "base/location.h" |
| 8 #include "sync/js/js_backend.h" | 8 #include "components/sync/js/js_backend.h" |
| 9 #include "sync/js/js_event_details.h" | 9 #include "components/sync/js/js_event_details.h" |
| 10 | 10 |
| 11 namespace syncer { | 11 namespace syncer { |
| 12 | 12 |
| 13 SyncJsController::SyncJsController() {} | 13 SyncJsController::SyncJsController() {} |
| 14 | 14 |
| 15 SyncJsController::~SyncJsController() { | 15 SyncJsController::~SyncJsController() { |
| 16 AttachJsBackend(WeakHandle<JsBackend>()); | 16 AttachJsBackend(WeakHandle<JsBackend>()); |
| 17 } | 17 } |
| 18 | 18 |
| 19 void SyncJsController::AddJsEventHandler(JsEventHandler* event_handler) { | 19 void SyncJsController::AddJsEventHandler(JsEventHandler* event_handler) { |
| (...skipping 17 matching lines...) Expand all Loading... |
| 37 FOR_EACH_OBSERVER(JsEventHandler, js_event_handlers_, | 37 FOR_EACH_OBSERVER(JsEventHandler, js_event_handlers_, |
| 38 HandleJsEvent(name, details)); | 38 HandleJsEvent(name, details)); |
| 39 } | 39 } |
| 40 | 40 |
| 41 void SyncJsController::UpdateBackendEventHandler() { | 41 void SyncJsController::UpdateBackendEventHandler() { |
| 42 if (js_backend_.IsInitialized()) { | 42 if (js_backend_.IsInitialized()) { |
| 43 // To avoid making the backend send useless events, we clear the | 43 // To avoid making the backend send useless events, we clear the |
| 44 // event handler we pass to it if we don't have any event | 44 // event handler we pass to it if we don't have any event |
| 45 // handlers. | 45 // handlers. |
| 46 WeakHandle<JsEventHandler> backend_event_handler = | 46 WeakHandle<JsEventHandler> backend_event_handler = |
| 47 js_event_handlers_.might_have_observers() ? | 47 js_event_handlers_.might_have_observers() |
| 48 MakeWeakHandle(AsWeakPtr()) : WeakHandle<SyncJsController>(); | 48 ? MakeWeakHandle(AsWeakPtr()) |
| 49 : WeakHandle<SyncJsController>(); |
| 49 js_backend_.Call(FROM_HERE, &JsBackend::SetJsEventHandler, | 50 js_backend_.Call(FROM_HERE, &JsBackend::SetJsEventHandler, |
| 50 backend_event_handler); | 51 backend_event_handler); |
| 51 } | 52 } |
| 52 } | 53 } |
| 53 | 54 |
| 54 } // namespace syncer | 55 } // namespace syncer |
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