| // Copyright 2017 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 MOJO_PUBLIC_CPP_BINDINGS_LIB_TASK_RUNNER_HELPER_H_ |
| #define MOJO_PUBLIC_CPP_BINDINGS_LIB_TASK_RUNNER_HELPER_H_ |
| |
| #include "base/memory/ref_counted.h" |
| |
| namespace base { |
| class SingleThreadTaskRunner; |
| class SequencedTaskRunner; |
| } // namespace base |
| |
| namespace mojo { |
| namespace internal { |
| |
| // Returns the SequencedTaskRunner to use from the optional user-provided |
| // SingleThreadTaskRunner. If |runner| is provided non-null, it is returned. |
| // Otherwise, the current SequencedTaskRunner is returned. If |runner| is |
| // non-null, it must run on the current thread. |
| scoped_refptr<base::SequencedTaskRunner> |
| GetTaskRunnerToUseFromUserProvidedTaskRunner( |
| scoped_refptr<base::SingleThreadTaskRunner> runner); |
| |
| } // namespace internal |
| } // namespace mojo |
| |
| #endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_TASK_RUNNER_HELPER_H_ |
