// Copyright (c) 2011 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. // Cross platform methods for FilePathWatcher. See the various platform // specific implementation files, too. #include "base/files/file_path_watcher.h" #include "base/check.h" #include "base/files/file_path.h" #include "build/build_config.h" namespace base { FilePathWatcher::~FilePathWatcher() { DCHECK(sequence_checker_.CalledOnValidSequence()); impl_->Cancel(); } // static bool FilePathWatcher::RecursiveWatchAvailable() { #if BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX) || \ BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_AIX) return true; #else // FSEvents isn't available on iOS. return false; #endif } FilePathWatcher::PlatformDelegate::PlatformDelegate() = default; FilePathWatcher::PlatformDelegate::~PlatformDelegate() { DCHECK(is_cancelled()); } bool FilePathWatcher::Watch(const FilePath& path, Type type, const Callback& callback) { DCHECK(sequence_checker_.CalledOnValidSequence()); DCHECK(path.IsAbsolute()); return impl_->Watch(path, type, callback); } } // namespace base