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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_BROWSER_API_FILE_HANDLERS_DIRECTORY_UTIL_H_
#define EXTENSIONS_BROWSER_API_FILE_HANDLERS_DIRECTORY_UTIL_H_
#include <memory>
#include <set>
#include <string>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
namespace content {
class BrowserContext;
}
namespace base {
class FilePath;
} // namespace base
namespace extensions {
namespace app_file_handler_util {
// Gets is-a-directory-ness for a local path and returns it with |callback|.
void GetIsDirectoryForLocalPath(content::BrowserContext* context,
const base::FilePath& local_path,
base::OnceCallback<void(bool)> callback);
class IsDirectoryCollector {
public:
using CompletionCallback =
base::OnceCallback<void(std::unique_ptr<std::set<base::FilePath>>)>;
explicit IsDirectoryCollector(content::BrowserContext* context);
IsDirectoryCollector(const IsDirectoryCollector&) = delete;
IsDirectoryCollector& operator=(const IsDirectoryCollector&) = delete;
virtual ~IsDirectoryCollector();
// For the given paths obtains a set with which of them are directories.
// The collector does not support virtual files if OS != CHROMEOS.
void CollectForEntriesPaths(const std::vector<base::FilePath>& paths,
CompletionCallback callback);
private:
void OnIsDirectoryCollected(size_t index, bool directory);
raw_ptr<content::BrowserContext, FlakyDanglingUntriaged> context_;
std::vector<base::FilePath> paths_;
std::unique_ptr<std::set<base::FilePath>> result_;
size_t left_;
CompletionCallback callback_;
base::WeakPtrFactory<IsDirectoryCollector> weak_ptr_factory_{this};
};
} // namespace app_file_handler_util
} // namespace extensions
#endif // EXTENSIONS_BROWSER_API_FILE_HANDLERS_DIRECTORY_UTIL_H_
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