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// 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 defined(OS_MAC) || defined(OS_WIN) || defined(OS_LINUX) || \
defined(OS_CHROMEOS) || defined(OS_ANDROID) || defined(OS_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
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