40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
// Copyright 2021 The Chromium Authors
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "base/task/default_delayed_task_handle_delegate.h"
|
|
|
|
#include <utility>
|
|
|
|
#include "base/functional/bind.h"
|
|
|
|
namespace base {
|
|
|
|
DefaultDelayedTaskHandleDelegate::DefaultDelayedTaskHandleDelegate() = default;
|
|
|
|
DefaultDelayedTaskHandleDelegate::~DefaultDelayedTaskHandleDelegate() = default;
|
|
|
|
bool DefaultDelayedTaskHandleDelegate::IsValid() const {
|
|
return weak_ptr_factory_.HasWeakPtrs();
|
|
}
|
|
|
|
void DefaultDelayedTaskHandleDelegate::CancelTask() {
|
|
weak_ptr_factory_.InvalidateWeakPtrs();
|
|
}
|
|
|
|
OnceClosure DefaultDelayedTaskHandleDelegate::BindCallback(
|
|
OnceClosure callback) {
|
|
DCHECK(!IsValid());
|
|
return BindOnce(&DefaultDelayedTaskHandleDelegate::RunTask,
|
|
weak_ptr_factory_.GetWeakPtr(), std::move(callback));
|
|
}
|
|
|
|
void DefaultDelayedTaskHandleDelegate::RunTask(OnceClosure user_task) {
|
|
// Invalidate the weak pointer first so that the task handle is considered
|
|
// invalid while running the task.
|
|
weak_ptr_factory_.InvalidateWeakPtrs();
|
|
std::move(user_task).Run();
|
|
}
|
|
|
|
} // namespace base
|