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// Copyright 2016 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.
#ifndef CHROME_BROWSER_EXTENSIONS_API_FILE_HANDLERS_DIRECTORY_UTIL_H_
#define CHROME_BROWSER_EXTENSIONS_API_FILE_HANDLERS_DIRECTORY_UTIL_H_
#include <set>
#include <string>
#include <vector>
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
class Profile;
namespace base {
class FilePath;
} // namespace base
namespace storage {
class FileSystemURL;
} // namespace storage
namespace extensions {
namespace app_file_handler_util {
class IsDirectoryCollector {
public:
typedef base::Callback<void(scoped_ptr<std::set<base::FilePath>>)>
CompletionCallback;
explicit IsDirectoryCollector(Profile* profile);
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,
const CompletionCallback& callback);
private:
void OnIsDirectoryCollected(size_t index, bool directory);
Profile* profile_;
std::vector<base::FilePath> paths_;
scoped_ptr<std::set<base::FilePath>> result_;
size_t left_;
CompletionCallback callback_;
base::WeakPtrFactory<IsDirectoryCollector> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(IsDirectoryCollector);
};
} // namespace app_file_handler_util
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_FILE_HANDLERS_DIRECTORY_UTIL_H_
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