| // Copyright 2016 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. |
| |
| #include "components/offline_pages/core/task.h" |
| |
| #include "base/bind.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| |
| namespace offline_pages { |
| |
| Task::Task() {} |
| |
| Task::~Task() {} |
| |
| void Task::SetTaskCompletionCallbackForTesting( |
| scoped_refptr<base::SingleThreadTaskRunner> task_completion_runner, |
| TaskCompletionCallback task_completion_callback) { |
| SetTaskCompletionCallback(task_completion_runner, |
| std::move(task_completion_callback)); |
| } |
| |
| void Task::SetTaskCompletionCallback( |
| scoped_refptr<base::SingleThreadTaskRunner> task_completion_runner, |
| TaskCompletionCallback task_completion_callback) { |
| // Attempts to enforce that SetTaskCompletionCallback is at most called once |
| // and enforces that reasonable values are set once that happens. |
| DCHECK(!task_completion_runner_); |
| DCHECK(task_completion_runner); |
| DCHECK(task_completion_callback_.is_null()); |
| DCHECK(!task_completion_callback.is_null()); |
| task_completion_runner_ = task_completion_runner; |
| task_completion_callback_ = std::move(task_completion_callback); |
| } |
| |
| void Task::TaskComplete() { |
| if (task_completion_callback_.is_null() || !task_completion_runner_) |
| return; |
| |
| task_completion_runner_->PostTask( |
| FROM_HERE, base::BindOnce(std::move(task_completion_callback_), this)); |
| } |
| |
| } // namespace offline_pages |