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// 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,
const TaskCompletionCallback& task_completion_callback) {
SetTaskCompletionCallback(task_completion_runner, task_completion_callback);
}
void Task::SetTaskCompletionCallback(
scoped_refptr<base::SingleThreadTaskRunner> task_completion_runner,
const 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_ = task_completion_callback;
}
void Task::TaskComplete() {
if (task_completion_callback_.is_null() || !task_completion_runner_)
return;
task_completion_runner_->PostTask(
FROM_HERE, base::Bind(task_completion_callback_, this));
}
} // namespace offline_pages
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