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// Copyright 2020 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_QUERY_TILES_INTERNAL_STATS_H_
#define COMPONENTS_QUERY_TILES_INTERNAL_STATS_H_
#include "components/query_tiles/internal/tile_types.h"
namespace query_tiles {
namespace stats {
extern const char kImagePreloadingHistogram[];
extern const char kHttpResponseCodeHistogram[];
extern const char kNetErrorCodeHistogram[];
extern const char kRequestStatusHistogram[];
extern const char kGroupStatusHistogram[];
extern const char kFirstFlowDurationHistogram[];
extern const char kFetcherStartHourHistogram[];
extern const char kPrunedGroupReasonHistogram[];
// Event to track image loading metrics.
enum class ImagePreloadingEvent {
// Start to fetch image in full browser mode.
kStart = 0,
// Fetch success in full browser mode.
kSuccess = 1,
// Fetch failure in full browser mode.
kFailure = 2,
// Start to fetch image in reduced mode.
kStartReducedMode = 3,
// Fetch success in reduced mode.
kSuccessReducedMode = 4,
// Fetch failure in reduced mode.
kFailureReducedMode = 5,
kMaxValue = kFailureReducedMode,
};
enum class PrunedGroupReason {
// Group has expired.
kExpired = 0,
// Locale mismatched.
kInvalidLocale = 1,
kMaxValue = kInvalidLocale,
};
// Records an image preloading event.
void RecordImageLoading(ImagePreloadingEvent event);
// Records HTTP response code.
void RecordTileFetcherResponseCode(int response_code);
// Records net error code.
void RecordTileFetcherNetErrorCode(int error_code);
// Records request result from tile fetcher.
void RecordTileRequestStatus(TileInfoRequestStatus status);
// Records status of tile group.
void RecordTileGroupStatus(TileGroupStatus status);
// Records the number of hours passed from first time schedule to first time
// run.
void RecordFirstFetchFlowDuration(int hours);
// Records the locale explode hour when fetching starts.
void RecordExplodeOnFetchStarted(int explode);
// Records the reason to cause TileManager to prune the group.
void RecordGroupPruned(PrunedGroupReason reason);
} // namespace stats
} // namespace query_tiles
#endif // COMPONENTS_QUERY_TILES_INTERNAL_STATS_H_
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