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// 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.
#include "components/ntp_tiles/metrics.h"
#include <string>
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/strings/stringprintf.h"
#include "components/rappor/public/rappor_utils.h"
namespace ntp_tiles {
namespace metrics {
namespace {
// Maximum number of tiles to record in histograms.
const int kMaxNumTiles = 12;
const int kLastTitleSource = static_cast<int>(TileTitleSource::LAST);
// Identifiers for the various tile sources.
const char kHistogramClientName[] = "client";
const char kHistogramServerName[] = "server";
const char kHistogramPopularName[] = "popular_fetched";
const char kHistogramBakedInName[] = "popular_baked_in";
const char kHistogramWhitelistName[] = "whitelist";
const char kHistogramHomepageName[] = "homepage";
const char kHistogramCustomLinksName[] = "custom_links";
// Suffixes for the various icon types.
const char kTileTypeSuffixIconColor[] = "IconsColor";
const char kTileTypeSuffixIconGray[] = "IconsGray";
const char kTileTypeSuffixIconReal[] = "IconsReal";
const char kTileTypeSuffixThumbnail[] = "Thumbnail";
const char kTileTypeSuffixThumbnailFailed[] = "ThumbnailFailed";
void LogUmaHistogramAge(const std::string& name, const base::TimeDelta& value) {
// Log the value in number of seconds.
base::UmaHistogramCustomCounts(name, value.InSeconds(), 5,
base::TimeDelta::FromDays(14).InSeconds(), 20);
}
std::string GetSourceHistogramName(TileSource source) {
switch (source) {
case TileSource::TOP_SITES:
return kHistogramClientName;
case TileSource::POPULAR_BAKED_IN:
return kHistogramBakedInName;
case TileSource::POPULAR:
return kHistogramPopularName;
case TileSource::WHITELIST:
return kHistogramWhitelistName;
case TileSource::SUGGESTIONS_SERVICE:
return kHistogramServerName;
case TileSource::HOMEPAGE:
return kHistogramHomepageName;
case TileSource::CUSTOM_LINKS:
return kHistogramCustomLinksName;
}
NOTREACHED();
return std::string();
}
const char* GetTileTypeSuffix(TileVisualType type) {
switch (type) {
case TileVisualType::ICON_COLOR:
return kTileTypeSuffixIconColor;
case TileVisualType::ICON_DEFAULT:
return kTileTypeSuffixIconGray;
case TileVisualType::ICON_REAL:
return kTileTypeSuffixIconReal;
case THUMBNAIL:
return kTileTypeSuffixThumbnail;
case THUMBNAIL_FAILED:
return kTileTypeSuffixThumbnailFailed;
case TileVisualType::NONE: // Fall through.
case TileVisualType::UNKNOWN_TILE_TYPE:
break;
}
return nullptr;
}
} // namespace
void RecordPageImpression(int number_of_tiles) {
base::UmaHistogramSparse("NewTabPage.NumberOfTiles", number_of_tiles);
}
void RecordTileImpression(const NTPTileImpression& impression,
rappor::RapporService* rappor_service) {
UMA_HISTOGRAM_ENUMERATION("NewTabPage.SuggestionsImpression",
impression.index, kMaxNumTiles);
std::string source_name = GetSourceHistogramName(impression.source);
base::UmaHistogramExactLinear(
base::StringPrintf("NewTabPage.SuggestionsImpression.%s",
source_name.c_str()),
impression.index, kMaxNumTiles);
if (!impression.data_generation_time.is_null()) {
const base::TimeDelta age =
base::Time::Now() - impression.data_generation_time;
LogUmaHistogramAge("NewTabPage.SuggestionsImpressionAge", age);
LogUmaHistogramAge(
base::StringPrintf("NewTabPage.SuggestionsImpressionAge.%s",
source_name.c_str()),
age);
}
UMA_HISTOGRAM_ENUMERATION("NewTabPage.TileTitle",
static_cast<int>(impression.title_source),
kLastTitleSource + 1);
base::UmaHistogramExactLinear(
base::StringPrintf("NewTabPage.TileTitle.%s",
GetSourceHistogramName(impression.source).c_str()),
static_cast<int>(impression.title_source), kLastTitleSource + 1);
if (impression.visual_type > LAST_RECORDED_TILE_TYPE) {
return;
}
UMA_HISTOGRAM_ENUMERATION("NewTabPage.TileType", impression.visual_type,
LAST_RECORDED_TILE_TYPE + 1);
base::UmaHistogramExactLinear(
base::StringPrintf("NewTabPage.TileType.%s", source_name.c_str()),
impression.visual_type, LAST_RECORDED_TILE_TYPE + 1);
const char* tile_type_suffix = GetTileTypeSuffix(impression.visual_type);
if (tile_type_suffix) {
if (!impression.url_for_rappor.is_empty()) {
// Note: This handles a null |rappor_service|.
rappor::SampleDomainAndRegistryFromGURL(
rappor_service,
base::StringPrintf("NTP.SuggestionsImpressions.%s", tile_type_suffix),
impression.url_for_rappor);
}
base::UmaHistogramExactLinear(
base::StringPrintf("NewTabPage.SuggestionsImpression.%s",
tile_type_suffix),
impression.index, kMaxNumTiles);
if (impression.icon_type != favicon_base::IconType::kInvalid) {
base::UmaHistogramEnumeration(
base::StringPrintf("NewTabPage.TileFaviconType.%s", tile_type_suffix),
impression.icon_type, favicon_base::IconType::kCount);
}
}
if (impression.icon_type != favicon_base::IconType::kInvalid) {
base::UmaHistogramEnumeration("NewTabPage.TileFaviconType",
impression.icon_type,
favicon_base::IconType::kCount);
}
}
void RecordTileClick(const NTPTileImpression& impression) {
UMA_HISTOGRAM_ENUMERATION("NewTabPage.MostVisited", impression.index,
kMaxNumTiles);
std::string source_name = GetSourceHistogramName(impression.source);
base::UmaHistogramExactLinear(
base::StringPrintf("NewTabPage.MostVisited.%s", source_name.c_str()),
impression.index, kMaxNumTiles);
if (!impression.data_generation_time.is_null()) {
const base::TimeDelta age =
base::Time::Now() - impression.data_generation_time;
LogUmaHistogramAge("NewTabPage.MostVisitedAge", age);
LogUmaHistogramAge(
base::StringPrintf("NewTabPage.MostVisitedAge.%s", source_name.c_str()),
age);
}
const char* tile_type_suffix = GetTileTypeSuffix(impression.visual_type);
if (tile_type_suffix) {
base::UmaHistogramExactLinear(
base::StringPrintf("NewTabPage.MostVisited.%s", tile_type_suffix),
impression.index, kMaxNumTiles);
if (impression.icon_type != favicon_base::IconType::kInvalid) {
base::UmaHistogramEnumeration(
base::StringPrintf("NewTabPage.TileFaviconTypeClicked.%s",
tile_type_suffix),
impression.icon_type, favicon_base::IconType::kCount);
}
}
if (impression.icon_type != favicon_base::IconType::kInvalid) {
base::UmaHistogramEnumeration("NewTabPage.TileFaviconTypeClicked",
impression.icon_type,
favicon_base::IconType::kCount);
}
UMA_HISTOGRAM_ENUMERATION("NewTabPage.TileTitleClicked",
static_cast<int>(impression.title_source),
kLastTitleSource + 1);
base::UmaHistogramExactLinear(
base::StringPrintf("NewTabPage.TileTitleClicked.%s",
GetSourceHistogramName(impression.source).c_str()),
static_cast<int>(impression.title_source), kLastTitleSource + 1);
if (impression.visual_type <= LAST_RECORDED_TILE_TYPE) {
UMA_HISTOGRAM_ENUMERATION("NewTabPage.TileTypeClicked",
impression.visual_type,
LAST_RECORDED_TILE_TYPE + 1);
base::UmaHistogramExactLinear(
base::StringPrintf("NewTabPage.TileTypeClicked.%s",
GetSourceHistogramName(impression.source).c_str()),
impression.visual_type, LAST_RECORDED_TILE_TYPE + 1);
}
}
} // namespace metrics
} // namespace ntp_tiles
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