// Copyright 2016 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_FEATURES_H_ #define COMPONENTS_NTP_SNIPPETS_FEATURES_H_ #include #include #include "base/feature_list.h" #include "components/ntp_snippets/category_rankers/category_ranker.h" #include "components/prefs/pref_service.h" namespace base { class Clock; } namespace ntp_snippets { // // Null-terminated list of all features related to content suggestions. // // If you add a base::Feature below, you must add it to this list. It is used in // internal pages to list relevant parameters and settings. // extern const base::Feature*(kAllFeatures[]); // Features to turn individual providers/categories on/off. // TODO(jkrcal): Rename to kRemoteSuggestionsFeature. extern const base::Feature kArticleSuggestionsFeature; extern const base::Feature kBookmarkSuggestionsFeature; extern const base::Feature kRecentOfflineTabSuggestionsFeature; extern const base::Feature kPhysicalWebPageSuggestionsFeature; extern const base::Feature kForeignSessionsSuggestionsFeature; // Feature to allow UI as specified here: https://crbug.com/660837. extern const base::Feature kIncreasedVisibility; // Feature to prefer AMP URLs over regular URLs when available. extern const base::Feature kPreferAmpUrlsFeature; // Feature to choose a category ranker. extern const base::Feature kCategoryRanker; // Feature to allow the new Google favicon server for fetching publisher icons. extern const base::Feature kPublisherFaviconsFromNewServerFeature; // Parameter and its values for the kCategoryRanker feature flag. extern const char kCategoryRankerParameter[]; extern const char kCategoryRankerConstantRanker[]; extern const char kCategoryRankerClickBasedRanker[]; enum class CategoryRankerChoice { CONSTANT, CLICK_BASED, }; // Returns which CategoryRanker to use according to kCategoryRanker feature. CategoryRankerChoice GetSelectedCategoryRanker(); // Builds a CategoryRanker according to kCategoryRanker feature. std::unique_ptr BuildSelectedCategoryRanker( PrefService* pref_service, std::unique_ptr clock); // Feature to choose a default category order. extern const base::Feature kCategoryOrder; // Parameter and its values for the kCategoryOrder feature flag. extern const char kCategoryOrderParameter[]; extern const char kCategoryOrderGeneral[]; extern const char kCategoryOrderEmergingMarketsOriented[]; enum class CategoryOrderChoice { GENERAL, EMERGING_MARKETS_ORIENTED, }; // Returns which category order to use according to kCategoryOrder feature. CategoryOrderChoice GetSelectedCategoryOrder(); // Enables and configures notifications for content suggestions on Android. extern const base::Feature kNotificationsFeature; // An integer. The priority of the notification, ranging from -2 (PRIORITY_MIN) // to 2 (PRIORITY_MAX). Vibrates and makes sound if >= 0. extern const char kNotificationsPriorityParam[]; constexpr int kNotificationsDefaultPriority = -1; // "publisher": use article's publisher as notification's text (default). // "snippet": use article's snippet as notification's text. // "and_more": use "From $1. Read this article and $2 more." as text. extern const char kNotificationsTextParam[]; extern const char kNotificationsTextValuePublisher[]; extern const char kNotificationsTextValueSnippet[]; extern const char kNotificationsTextValueAndMore[]; // "true": when Chrome becomes frontmost, leave notifications open. // "false": automatically dismiss notification when Chrome becomes frontmost. extern const char kNotificationsKeepWhenFrontmostParam[]; // "true": notifications link to chrome://newtab, with appropriate text. // "false": notifications link to URL of notifying article. extern const char kNotificationsOpenToNTPParam[]; // An integer. The maximum number of notifications that will be shown in 1 day. extern const char kNotificationsDailyLimit[]; constexpr int kNotificationsDefaultDailyLimit = 1; // An integer. The number of notifications that can be ignored. If the user // ignores this many notifications or more, we stop sending them. extern const char kNotificationsIgnoredLimitParam[]; constexpr int kNotificationsIgnoredDefaultLimit = 3; } // namespace ntp_snippets #endif // COMPONENTS_NTP_SNIPPETS_FEATURES_H_