| // Copyright 2017 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_CONTEXTUAL_SUGGESTIONS_FETCHER_IMPL_H_ |
| #define COMPONENTS_NTP_SNIPPETS_CONTEXTUAL_CONTEXTUAL_SUGGESTIONS_FETCHER_IMPL_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "base/callback.h" |
| #include "base/containers/flat_set.h" |
| #include "base/containers/unique_ptr_adapters.h" |
| #include "components/ntp_snippets/contextual/contextual_suggestion.h" |
| #include "components/ntp_snippets/contextual/contextual_suggestions_fetch.h" |
| #include "components/ntp_snippets/contextual/contextual_suggestions_fetcher.h" |
| |
| namespace network { |
| class SharedURLLoaderFactory; |
| } // namespace network |
| |
| using contextual_suggestions::Cluster; |
| using contextual_suggestions::ContextualSuggestionsFetch; |
| using contextual_suggestions::ContextualSuggestionsResult; |
| |
| namespace contextual_suggestions { |
| |
| class ContextualSuggestionsFetcherImpl : public ContextualSuggestionsFetcher { |
| public: |
| ContextualSuggestionsFetcherImpl( |
| const scoped_refptr<network::SharedURLLoaderFactory>& loader_factory, |
| const std::string& application_language_code); |
| ~ContextualSuggestionsFetcherImpl() override; |
| |
| // ContextualSuggestionsFetcher implementation. |
| void FetchContextualSuggestionsClusters( |
| const GURL& url, |
| FetchClustersCallback callback, |
| ReportFetchMetricsCallback metrics_callback) override; |
| |
| private: |
| void FetchFinished(ContextualSuggestionsFetch* fetch, |
| FetchClustersCallback callback, |
| ContextualSuggestionsResult result); |
| |
| const scoped_refptr<network::SharedURLLoaderFactory> loader_factory_; |
| /// BCP47 formatted language code to use. |
| const std::string bcp_language_code_; |
| |
| // Stores requests that are inflight. |
| base::flat_set<std::unique_ptr<ContextualSuggestionsFetch>, |
| base::UniquePtrComparator> |
| pending_requests_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ContextualSuggestionsFetcherImpl); |
| }; |
| |
| } // namespace contextual_suggestions |
| |
| #endif // COMPONENTS_NTP_SNIPPETS_CONTEXTUAL_CONTEXTUAL_SUGGESTIONS_FETCHER_IMPL_H_ |