Index: components/ntp_snippets/breaking_news/breaking_news_suggestions_provider.h |
diff --git a/components/ntp_snippets/breaking_news/breaking_news_suggestions_provider.h b/components/ntp_snippets/breaking_news/breaking_news_suggestions_provider.h |
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+++ b/components/ntp_snippets/breaking_news/breaking_news_suggestions_provider.h |
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+// 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_BREAKING_NEWS_BREAKING_NEWS_SUGGESTIONS_PROVIDER_H_ |
+#define COMPONENTS_NTP_SNIPPETS_BREAKING_NEWS_BREAKING_NEWS_SUGGESTIONS_PROVIDER_H_ |
+ |
+#include "components/ntp_snippets/category.h" |
+#include "components/ntp_snippets/content_suggestions_provider.h" |
+#include "components/prefs/pref_registry_simple.h" |
+ |
+namespace ntp_snippets { |
+class ContentSuggestionsGCMAppHandler; |
+} |
+ |
+namespace ntp_snippets { |
+ |
+// Receives breaking news suggestions via GCM push messages, stores them and |
+// provides them as content suggestions. |
+class BreakingNewsSuggestionsProvider : public ContentSuggestionsProvider { |
+ public: |
+ BreakingNewsSuggestionsProvider( |
+ ContentSuggestionsProvider::Observer* observer, |
+ std::unique_ptr<ContentSuggestionsGCMAppHandler> gcm_app_handler); |
+ ~BreakingNewsSuggestionsProvider() override; |
+ |
+ // Starts the underlying GCM handler and registers the callback when GCM |
+ // receives a message. |
+ void Start(); |
+ |
+ private: |
+ // ContentSuggestionsProvider implementation. |
+ CategoryStatus GetCategoryStatus(Category category) override; |
+ CategoryInfo GetCategoryInfo(Category category) override; |
+ void DismissSuggestion(const ContentSuggestion::ID& suggestion_id) override; |
+ void FetchSuggestionImage(const ContentSuggestion::ID& suggestion_id, |
+ const ImageFetchedCallback& callback) override; |
+ void Fetch(const Category& category, |
+ const std::set<std::string>& known_suggestion_ids, |
+ const FetchDoneCallback& callback) override; |
+ void ClearHistory( |
+ base::Time begin, |
+ base::Time end, |
+ const base::Callback<bool(const GURL& url)>& filter) override; |
+ void ClearCachedSuggestions(Category category) override; |
+ void GetDismissedSuggestionsForDebugging( |
+ Category category, |
+ const DismissedSuggestionsCallback& callback) override; |
+ void ClearDismissedSuggestionsForDebugging(Category category) override; |
+ |
+ // Callback called from the GCM handler when new content has been pushed from |
+ // the server. |
+ void OnNewContentSuggestion(const base::Value& content); |
+ |
+ std::unique_ptr<ContentSuggestionsGCMAppHandler> gcm_app_handler_; |
+ const Category provided_category_; |
+ CategoryStatus category_status_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(BreakingNewsSuggestionsProvider); |
+}; |
+ |
+} // namespace ntp_snippets |
+ |
+#endif // COMPONENTS_NTP_SNIPPETS_BREAKING_NEWS_BREAKING_NEWS_SUGGESTIONS_PROVIDER_H_ |