| // Copyright 2018 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 CHROME_CHROME_CLEANER_IPC_MOJO_TASK_RUNNER_H_ |
| #define CHROME_CHROME_CLEANER_IPC_MOJO_TASK_RUNNER_H_ |
| |
| #include <memory> |
| |
| #include "base/callback_forward.h" |
| #include "base/location.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/threading/thread.h" |
| #include "base/time/time.h" |
| #include "mojo/core/embedder/scoped_ipc_support.h" |
| |
| namespace chrome_cleaner { |
| |
| // Task runner for Mojo IPC tasks that ensures Mojo lib initialization |
| // and execution on an IO thread. |
| class MojoTaskRunner : public base::SingleThreadTaskRunner { |
| public: |
| // Creates a new instance of MojoTaskRunner with a new IO thread to run IPC |
| // tasks. |
| static scoped_refptr<MojoTaskRunner> Create(); |
| |
| // Abstract methods from base::TaskRunner. |
| bool PostDelayedTask(const base::Location& from_here, |
| base::OnceClosure task, |
| base::TimeDelta delay) override; |
| bool RunsTasksInCurrentSequence() const override; |
| |
| // Abstract methods from base::SequencedTaskRunner. |
| bool PostNonNestableDelayedTask(const base::Location& from_here, |
| base::OnceClosure task, |
| base::TimeDelta delay) override; |
| |
| protected: |
| MojoTaskRunner(); |
| ~MojoTaskRunner() override; |
| |
| // Starts a new IO thread to run IPC tasks. |
| virtual bool Initialize(); |
| |
| private: |
| std::unique_ptr<base::Thread> io_thread_; |
| std::unique_ptr<mojo::core::ScopedIPCSupport> ipc_support_; |
| }; |
| |
| } // namespace chrome_cleaner |
| |
| #endif // CHROME_CHROME_CLEANER_IPC_MOJO_TASK_RUNNER_H_ |