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// Copyright 2013 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_IMAGE_WRITER_PRIVATE_REMOVABLE_STORAGE_PROVIDER_H_
#define CHROME_BROWSER_EXTENSIONS_API_IMAGE_WRITER_PRIVATE_REMOVABLE_STORAGE_PROVIDER_H_
#include "base/callback.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:
typedef base::Callback<void(scoped_refptr<StorageDeviceList>, bool)>
DeviceListReadyCallback;
// 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:
// Fills the provided empty device list with the available devices.
static bool PopulateDeviceList(scoped_refptr<StorageDeviceList> device_list);
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_IMAGE_WRITER_PRIVATE_REMOVABLE_STORAGE_PROVIDER_H_
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