| // Copyright 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_SYNC_DRIVER_GLUE_BROWSER_THREAD_MODEL_WORKER_H_ |
| #define COMPONENTS_SYNC_DRIVER_GLUE_BROWSER_THREAD_MODEL_WORKER_H_ |
| |
| #include "base/callback_forward.h" |
| #include "base/compiler_specific.h" |
| #include "base/macros.h" |
| #include "sync/internal_api/public/engine/model_safe_worker.h" |
| #include "sync/internal_api/public/util/syncer_error.h" |
| |
| namespace base { |
| class SingleThreadTaskRunner; |
| class WaitableEvent; |
| } |
| |
| namespace browser_sync { |
| |
| // A syncer::ModelSafeWorker for models that accept requests from the |
| // syncapi that need to be fulfilled on a browser thread, for example |
| // autofill on the DB thread. |
| // TODO(sync): Try to generalize other ModelWorkers (e.g. history, etc). |
| class BrowserThreadModelWorker : public syncer::ModelSafeWorker { |
| public: |
| BrowserThreadModelWorker( |
| const scoped_refptr<base::SingleThreadTaskRunner>& runner, |
| syncer::ModelSafeGroup group, |
| syncer::WorkerLoopDestructionObserver* observer); |
| |
| // syncer::ModelSafeWorker implementation. Called on the sync thread. |
| void RegisterForLoopDestruction() override; |
| syncer::ModelSafeGroup GetModelSafeGroup() override; |
| |
| protected: |
| ~BrowserThreadModelWorker() override; |
| |
| syncer::SyncerError DoWorkAndWaitUntilDoneImpl( |
| const syncer::WorkCallback& work) override; |
| |
| // Marked pure virtual so subclasses have to override, but there is |
| // an implementation that subclasses should use. This is so that |
| // (subclass)::CallDoWorkAndSignalTask shows up in callstacks. |
| virtual void CallDoWorkAndSignalTask(const syncer::WorkCallback& work, |
| base::WaitableEvent* done, |
| syncer::SyncerError* error); |
| |
| private: |
| scoped_refptr<base::SingleThreadTaskRunner> runner_; |
| syncer::ModelSafeGroup group_; |
| |
| DISALLOW_COPY_AND_ASSIGN(BrowserThreadModelWorker); |
| }; |
| |
| } // namespace browser_sync |
| |
| #endif // COMPONENTS_SYNC_DRIVER_GLUE_BROWSER_THREAD_MODEL_WORKER_H_ |