| // 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. |
| #include "base/files/file_path_watcher.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/threading/sequenced_task_runner_handle.h" |
| class FilePathWatcherImpl : public FilePathWatcher::PlatformDelegate { |
| ~FilePathWatcherImpl() override {} |
| bool Watch(const FilePath& path, |
| const FilePathWatcher::Callback& callback) override; |
| FilePathWatcher::Callback callback_; |
| DISALLOW_COPY_AND_ASSIGN(FilePathWatcherImpl); |
| bool FilePathWatcherImpl::Watch(const FilePath& path, |
| const FilePathWatcher::Callback& callback) { |
| DCHECK(!callback.is_null()); |
| DCHECK(callback_.is_null()); |
| void FilePathWatcherImpl::Cancel() { |
| FilePathWatcher::FilePathWatcher() { |
| sequence_checker_.DetachFromSequence(); |
| impl_ = std::make_unique<FilePathWatcherImpl>(); |