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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/scheduler/responsiveness/message_loop_observer.h"
#include "base/task/current_thread.h"
namespace content {
namespace responsiveness {
MessageLoopObserver::MessageLoopObserver(
WillProcessTaskCallback will_process_task_callback,
DidProcessTaskCallback did_process_task_callback)
: will_process_task_callback_(std::move(will_process_task_callback)),
did_process_task_callback_(std::move(did_process_task_callback)) {
base::CurrentThread::Get()->SetAddQueueTimeToTasks(true);
base::CurrentThread::Get()->AddTaskObserver(this);
}
MessageLoopObserver::~MessageLoopObserver() {
base::CurrentThread::Get()->RemoveTaskObserver(this);
base::CurrentThread::Get()->SetAddQueueTimeToTasks(false);
}
void MessageLoopObserver::WillProcessTask(const base::PendingTask& pending_task,
bool was_blocked_or_low_priority) {
will_process_task_callback_.Run(&pending_task, was_blocked_or_low_priority);
}
void MessageLoopObserver::DidProcessTask(
const base::PendingTask& pending_task) {
did_process_task_callback_.Run(&pending_task);
}
} // namespace responsiveness
} // namespace content
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