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// Copyright 2022 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_BROWSING_TOPICS_TOPIC_AND_DOMAINS_H_
#define COMPONENTS_BROWSING_TOPICS_TOPIC_AND_DOMAINS_H_
#include <set>
#include "base/types/strong_alias.h"
#include "base/values.h"
#include "components/browsing_topics/common/common_types.h"
namespace browsing_topics {
// Contains a topic and a set of hashed domains that has observed the associated
// topic (i.e. the Topics API was used within the domains's context, and the
// page is related to that topic.)
class TopicAndDomains {
public:
TopicAndDomains();
TopicAndDomains(Topic topic, std::set<HashedDomain> hashed_domains);
TopicAndDomains(const TopicAndDomains&) = delete;
TopicAndDomains& operator=(const TopicAndDomains&) = delete;
TopicAndDomains(TopicAndDomains&&);
TopicAndDomains& operator=(TopicAndDomains&&);
~TopicAndDomains();
// Serialization functions for storing in prefs.
static TopicAndDomains FromDictValue(const base::Value::Dict& dict_value);
base::Value::Dict ToDictValue() const;
void ClearDomain(const HashedDomain& domain);
bool IsValid() const { return topic_ != Topic(0); }
const Topic& topic() const { return topic_; }
const std::set<HashedDomain>& hashed_domains() const {
return hashed_domains_;
}
private:
Topic topic_{0};
std::set<HashedDomain> hashed_domains_;
};
} // namespace browsing_topics
#endif // COMPONENTS_BROWSING_TOPICS_TOPIC_AND_DOMAINS_H_
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