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// Copyright 2013 The Chromium Authors
// 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_IMAGE_WRITER_PRIVATE_REMOVABLE_STORAGE_PROVIDER_H_
#define CHROME_BROWSER_EXTENSIONS_API_IMAGE_WRITER_PRIVATE_REMOVABLE_STORAGE_PROVIDER_H_
#include "base/functional/callback.h"
#include "base/memory/scoped_refptr.h"
#include "chrome/common/extensions/api/image_writer_private.h"
#include "chrome/common/ref_counted_util.h"
namespace extensions {
// TODO(haven): Clean up this class to remove refcounting. http://crbug/370590
typedef RefCountedVector<api::image_writer_private::RemovableStorageDevice>
StorageDeviceList;
// Abstraction for platform specific implementations of listing removable
// storage devices
class RemovableStorageProvider {
public:
using DeviceListReadyCallback =
base::OnceCallback<void(scoped_refptr<StorageDeviceList>)>;
// Gets the list of all available devices and returns it via callback.
static void GetAllDevices(DeviceListReadyCallback callback);
// Sets the list of devices that will be returned by GetAllDevices during
// testing. All calls to `GetAllDevices` will return this list until
// `ClearDeviceListForTesting` is called.
static void SetDeviceListForTesting(
scoped_refptr<StorageDeviceList> device_list);
// Clears the list of devices that is used during testing.
static void ClearDeviceListForTesting();
private:
// Returns available list of devices. If there is an error retrieving devices,
// then returns nullptr.
static scoped_refptr<StorageDeviceList> PopulateDeviceList();
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_IMAGE_WRITER_PRIVATE_REMOVABLE_STORAGE_PROVIDER_H_
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