Home | History | Annotate | Download | only in glue 
      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_GLUE_HISTORY_MODEL_WORKER_H_
      6 #define CHROME_BROWSER_SYNC_GLUE_HISTORY_MODEL_WORKER_H_
      7 #pragma once
      8 
      9 #include "chrome/browser/sync/engine/model_safe_worker.h"
     10 
     11 #include "base/basictypes.h"
     12 #include "base/callback.h"
     13 #include "base/memory/ref_counted.h"
     14 #include "content/browser/cancelable_request.h"
     15 
     16 class HistoryService;
     17 
     18 namespace base {
     19 class WaitableEvent;
     20 }
     21 
     22 namespace browser_sync {
     23 
     24 // A ModelSafeWorker for history models that accepts requests
     25 // from the syncapi that need to be fulfilled on the history thread.
     26 class HistoryModelWorker : public browser_sync::ModelSafeWorker,
     27                            public CancelableRequestConsumerBase {
     28  public:
     29   explicit HistoryModelWorker(HistoryService* history_service);
     30   virtual ~HistoryModelWorker();
     31 
     32   // ModelSafeWorker implementation. Called on syncapi SyncerThread.
     33   virtual void DoWorkAndWaitUntilDone(Callback0::Type* work);
     34   virtual ModelSafeGroup GetModelSafeGroup();
     35   virtual bool CurrentThreadIsWorkThread();
     36 
     37   // CancelableRequestConsumerBase implementation.
     38   virtual void OnRequestAdded(CancelableRequestProvider* provider,
     39                               CancelableRequestProvider::Handle handle) {}
     40 
     41   virtual void OnRequestRemoved(CancelableRequestProvider* provider,
     42                                 CancelableRequestProvider::Handle handle) {}
     43 
     44   virtual void WillExecute(CancelableRequestProvider* provider,
     45                            CancelableRequestProvider::Handle handle) {}
     46 
     47   virtual void DidExecute(CancelableRequestProvider* provider,
     48                           CancelableRequestProvider::Handle handle) {}
     49 
     50  private:
     51   scoped_refptr<HistoryService> history_service_;
     52   DISALLOW_COPY_AND_ASSIGN(HistoryModelWorker);
     53 };
     54 
     55 }  // namespace browser_sync
     56 
     57 #endif  // CHROME_BROWSER_SYNC_GLUE_HISTORY_MODEL_WORKER_H_
     58