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// Copyright 2023 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_ATTRIBUTION_REPORTING_DESTINATION_SET_H_
#define COMPONENTS_ATTRIBUTION_REPORTING_DESTINATION_SET_H_
#include <optional>
#include "base/check.h"
#include "base/component_export.h"
#include "base/containers/flat_set.h"
#include "base/types/expected.h"
#include "components/attribution_reporting/source_registration_error.mojom-forward.h"
#include "mojo/public/cpp/bindings/default_construct_tag.h"
namespace base {
class Value;
} // namespace base
namespace net {
class SchemefulSite;
} // namespace net
namespace attribution_reporting {
class COMPONENT_EXPORT(ATTRIBUTION_REPORTING) DestinationSet {
public:
using Destinations = base::flat_set<net::SchemefulSite>;
static std::optional<DestinationSet> Create(Destinations);
static base::expected<DestinationSet, mojom::SourceRegistrationError>
FromJSON(const base::Value*);
// Creates an invalid instance for use with Mojo deserialization, which
// requires types to be default-constructible.
explicit DestinationSet(mojo::DefaultConstruct::Tag);
~DestinationSet();
DestinationSet(const DestinationSet&);
DestinationSet(DestinationSet&&);
DestinationSet& operator=(const DestinationSet&);
DestinationSet& operator=(DestinationSet&&);
const Destinations& destinations() const {
CHECK(IsValid());
return destinations_;
}
bool IsValid() const;
base::Value ToJson() const;
friend bool operator==(const DestinationSet&,
const DestinationSet&) = default;
private:
explicit DestinationSet(Destinations);
Destinations destinations_;
};
} // namespace attribution_reporting
#endif // COMPONENTS_ATTRIBUTION_REPORTING_DESTINATION_SET_H_
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