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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_HOST_FILE_TRANSFER_FILE_CHOOSER_H_
#define REMOTING_HOST_FILE_TRANSFER_FILE_CHOOSER_H_
#include <memory>
#include "base/files/file_path.h"
#include "base/functional/callback.h"
#include "base/task/sequenced_task_runner.h"
#include "remoting/protocol/file_transfer_helpers.h"
namespace remoting {
class FileChooser {
public:
typedef protocol::FileTransferResult<base::FilePath> Result;
typedef base::OnceCallback<void(Result)> ResultCallback;
FileChooser() = default;
FileChooser(const FileChooser&) = delete;
FileChooser& operator=(const FileChooser&) = delete;
// If the file dialog is currently displayed, destroys it without invoking
// |callback|.
virtual ~FileChooser() = default;
// Shows the file chooser dialog. May only be called once.
virtual void Show() = 0;
// Creates a file chooser on the provided UI thread. |callback| will be passed
// the chosen file, if any, or an error. If the user cancels the dialog, the
// error type will be CANCELED. An error of a different type signifies a
// problem showing the dialog.
static std::unique_ptr<FileChooser> Create(
scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
ResultCallback callback);
};
} // namespace remoting
#endif // REMOTING_HOST_FILE_TRANSFER_FILE_CHOOSER_H_
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