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// Copyright 2018 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 COMPONENTS_NTP_SNIPPETS_CONTEXTUAL_CLUSTER_H_
#define COMPONENTS_NTP_SNIPPETS_CONTEXTUAL_CLUSTER_H_
#include "components/ntp_snippets/contextual/contextual_suggestion.h"
using ntp_snippets::ContextualSuggestion;
using ntp_snippets::SuggestionBuilder;
namespace contextual_suggestions {
// A structure representing a suggestion cluster.
struct Cluster {
Cluster();
Cluster(Cluster&&) noexcept;
~Cluster();
std::string title;
std::vector<ContextualSuggestion> suggestions;
private:
DISALLOW_COPY_AND_ASSIGN(Cluster);
};
// Allows concise construction of a cluster and copying, which cluster
// doesn't allow.
class ClusterBuilder {
public:
ClusterBuilder(const std::string& title);
// Allow copying for ease of validation when testing.
ClusterBuilder(const ClusterBuilder& other);
ClusterBuilder& AddSuggestion(ContextualSuggestion suggestion);
Cluster Build();
private:
Cluster cluster_;
};
using FetchClustersCallback =
base::OnceCallback<void(std::string peek_text,
std::vector<Cluster> clusters)>;
} // namespace contextual_suggestions
#endif // COMPONENTS_NTP_SNIPPETS_CONTEXTUAL_CLUSTER_H_
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