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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_GEO_REGION_DATA_LOADER_H_
#define COMPONENTS_AUTOFILL_CORE_BROWSER_GEO_REGION_DATA_LOADER_H_
#include <string>
#include <vector>
#include "base/functional/callback_forward.h"
namespace i18n {
namespace addressinput {
class RegionData;
} // namespace addressinput
} // namespace i18n
namespace autofill {
// An interface to wrap the loading of region data so it can be mocked in tests.
class RegionDataLoader {
public:
// The signature of the function to be called when the region data is loaded.
// When the loading request times out or other failure occure, |regions| is
// empty.
typedef base::RepeatingCallback<void(
const std::vector<const ::i18n::addressinput::RegionData*>& regions)>
RegionDataLoaded;
virtual ~RegionDataLoader() = default;
// Calls |loaded_callback| when the region data for |country_code| is ready.
// This may happen synchronously.
virtual void LoadRegionData(const std::string& country_code,
RegionDataLoaded callback) = 0;
// To forget about the |callback| givent to LoadRegionData, in cases where
// callback owner is destroyed before loader.
virtual void ClearCallback() = 0;
};
} // namespace autofill
#endif // COMPONENTS_AUTOFILL_CORE_BROWSER_GEO_REGION_DATA_LOADER_H_
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