| // Copyright 2011 The Chromium Authors |
| // 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 <memory> |
| #include <utility> |
| |
| #include "base/check.h" |
| #include "base/files/file_path.h" |
| #include "build/build_config.h" |
| |
| namespace base { |
| |
| FilePathWatcher::~FilePathWatcher() { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| 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) || \ |
| BUILDFLAG(IS_FUCHSIA) |
| 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_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| DCHECK(path.IsAbsolute()); |
| return impl_->Watch(path, type, callback); |
| } |
| |
| bool FilePathWatcher::WatchWithOptions(const FilePath& path, |
| const WatchOptions& options, |
| const Callback& callback) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| DCHECK(path.IsAbsolute()); |
| return impl_->WatchWithOptions(path, options, callback); |
| } |
| |
| bool FilePathWatcher::WatchWithChangeInfo( |
| const FilePath& path, |
| const WatchOptions& options, |
| const CallbackWithChangeInfo& callback) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| DCHECK(path.IsAbsolute()); |
| return impl_->WatchWithChangeInfo(path, options, callback); |
| } |
| |
| bool FilePathWatcher::PlatformDelegate::WatchWithOptions( |
| const FilePath& path, |
| const WatchOptions& options, |
| const Callback& callback) { |
| return Watch(path, options.type, callback); |
| } |
| |
| bool FilePathWatcher::PlatformDelegate::WatchWithChangeInfo( |
| const FilePath& path, |
| const WatchOptions& options, |
| const CallbackWithChangeInfo& callback) { |
| return Watch(path, options.type, base::BindRepeating(callback, ChangeInfo())); |
| } |
| |
| FilePathWatcher::FilePathWatcher(std::unique_ptr<PlatformDelegate> delegate) { |
| DETACH_FROM_SEQUENCE(sequence_checker_); |
| impl_ = std::move(delegate); |
| } |
| |
| } // namespace base |