components/feed/feed_feature_list.h

// Copyright 2018 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_FEED_FEED_FEATURE_LIST_H_
#define COMPONENTS_FEED_FEED_FEATURE_LIST_H_

#include "base/component_export.h"
#include "base/feature_list.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "components/signin/public/base/consent_level.h"

namespace feed {

COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kInterestFeedV2);

// Use the new DiscoFeed endpoint.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kDiscoFeedEndpoint);

// Feature that enables xsurface to provide the metrics reporting state to an
// xsurface feed.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kXsurfaceMetricsReporting);

// Feature that shows placeholder cards instead of a loading spinner at first
// load.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kFeedLoadingPlaceholder);

// Feature that allows tuning the size of the image memory cache. Value is a
// percentage of the maximum size calculated for the device.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kFeedImageMemoryCacheSizePercentage);

// Personalize feed for unsigned users.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kPersonalizeFeedUnsignedUsers);

// Returns the consent level needed to request a personalized feed.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
signin::ConsentLevel GetConsentLevelNeededForPersonalizedFeed();

// When enabled, no view cache is used.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kFeedNoViewCache);

// When enabled, depending on params selected, enable different
// performance-oriented features in Feed.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kFeedPerformanceStudy);

// When enabled, allows the server to unilaterally alter capabilities sent
// by the client, primarily to retroactively work around bugs.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kSyntheticCapabilities);

// Feature that enables signed-out view demotion.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kFeedSignedOutViewDemotion);

// Feature that enables refreshing feed when Chrome restarts.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kRefreshFeedOnRestart);

// Feature that enables feed containment.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kFeedContainment);

// Feature that unmount RecyclerBinder on view detach to fix a memory leak.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kFeedRecyclerBinderUnmountOnDetach);

// Feature that enables feed streaming.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kFeedStreaming);

// Feature that enables feed audio overviews.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kFeedAudioOverviews);

// Feature that enables opening Incognito windows.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kAndroidOpenIncognitoAsWindow);

// Feature that enables wide screen feed for foldables.
COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE(kWideScreenFeedForFoldables);

COMPONENT_EXPORT(COMPONENTS_FEED_FEATURE_LIST)
BASE_DECLARE_FEATURE_PARAM(base::TimeDelta, kFeedCloseRefreshDelay);
}  // namespace feed

#endif  // COMPONENTS_FEED_FEED_FEATURE_LIST_H_