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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/segmentation_platform/embedder/home_modules/quick_delete_promo.h"
#include "base/metrics/field_trial_params.h"
#include "components/commerce/core/commerce_feature_list.h"
#include "components/segmentation_platform/embedder/home_modules/constants.h"
#include "components/segmentation_platform/embedder/home_modules/ephemeral_module_utils.h"
#include "components/segmentation_platform/embedder/home_modules/home_modules_card_registry.h"
#include "components/segmentation_platform/public/features.h"
#include "components/segmentation_platform/public/proto/model_metadata.pb.h"
namespace {
const char kEducationalTipModuleHistogramName[] =
"MagicStack.Clank.NewTabPage.Module.TopImpressionV2";
// TODO(crbug.com/382803396): The enum id of the quick delete promo card. Could
// be referenced after refactor.
const int kQuickDeletePromoId = 9;
const char kClearBrowsingDataHistogramName[] =
"Privacy.DeleteBrowsingData.Action";
constexpr std::array<int32_t, 0> kClearBrowsingDataHistogramEnumValues{};
constexpr std::array<int32_t, 0> kEducationalTipModuleHistogramEnumValues{};
const int kClearBrowsingDataHistogramQuickDeleteId = 6;
} // namespace
namespace segmentation_platform::home_modules {
QuickDeletePromo::QuickDeletePromo(PrefService* profile_prefs)
: CardSelectionInfo(kQuickDeletePromo), profile_prefs_(profile_prefs) {}
std::map<SignalKey, FeatureQuery> QuickDeletePromo::GetInputs() {
std::map<SignalKey, FeatureQuery> map = {
{kIsUserSignedIn,
FeatureQuery::FromCustomInput(MetadataWriter::CustomInput{
.tensor_length = 1,
.fill_policy = proto::CustomInput::FILL_FROM_INPUT_CONTEXT,
.name = kIsUserSignedIn})}};
// Define the number of times user cleared browsing data in the past 30 days.
DEFINE_UMA_FEATURE_ENUM_COUNT(countOfClearBrowsingData,
kClearBrowsingDataHistogramName,
kClearBrowsingDataHistogramEnumValues.data(),
kClearBrowsingDataHistogramEnumValues.size(),
/* days= */ 30);
map.emplace(kCountOfClearingBrowsingData,
std::move(countOfClearBrowsingData));
// Define the number of times user cleared browsing data through quick delete
// in the past 30 days.
DEFINE_UMA_FEATURE_ENUM_COUNT(countOfClearBrowsingDataThroughQuickDelete,
kClearBrowsingDataHistogramName,
&kClearBrowsingDataHistogramQuickDeleteId,
/* enum_size= */ 1,
/* days= */ 30);
map.emplace(kCountOfClearingBrowsingDataThroughQuickDelete,
std::move(countOfClearBrowsingDataThroughQuickDelete));
int days_to_show_ephemeral_card_once =
features::KDaysToShowEphemeralCardOnce.Get();
// Define signal for number of times all educational tip card has shown to the
// user in limited days.
DEFINE_UMA_FEATURE_ENUM_COUNT(countOfEducationalTipCardShownTimes,
kEducationalTipModuleHistogramName,
kEducationalTipModuleHistogramEnumValues.data(),
kEducationalTipModuleHistogramEnumValues.size(),
/* days= */ days_to_show_ephemeral_card_once);
map.emplace(kEducationalTipShownCount,
std::move(countOfEducationalTipCardShownTimes));
int days_to_show_quick_delete_card_once =
features::KDaysToShowEachEphemeralCardOnce.Get();
// Define signal for number of times quick delete promo card has shown to the
// user in limited days.
DEFINE_UMA_FEATURE_ENUM_COUNT(
countOfQuickDeletePromoShownTimes, kEducationalTipModuleHistogramName,
&kQuickDeletePromoId, /* enum_size= */ 1,
/* days= */ days_to_show_quick_delete_card_once);
map.emplace(kQuickDeletePromoShownCount,
std::move(countOfQuickDeletePromoShownTimes));
return map;
}
CardSelectionInfo::ShowResult QuickDeletePromo::ComputeCardResult(
const CardSelectionSignals& signals) const {
// Check for a forced `ShowResult`.
std::optional<CardSelectionInfo::ShowResult> forced_result =
GetForcedEphemeralModuleShowResult();
if (forced_result.has_value() &&
forced_result.value().result_label.has_value() &&
kQuickDeletePromo == forced_result.value().result_label.value()) {
return forced_result.value();
}
CardSelectionInfo::ShowResult result;
result.result_label = kQuickDeletePromo;
bool has_been_interacted_with =
profile_prefs_->GetBoolean(kQuickDeletePromoInteractedPref);
if (has_been_interacted_with) {
result.position = EphemeralHomeModuleRank::kNotShown;
return result;
}
std::optional<float> result_for_is_user_signed_in =
signals.GetSignal(kIsUserSignedIn);
std::optional<float> result_for_count_of_clearing_browsing_data =
signals.GetSignal(kCountOfClearingBrowsingData);
std::optional<float>
result_for_count_of_clearing_browsing_data_through_quick_delete =
signals.GetSignal(kCountOfClearingBrowsingDataThroughQuickDelete);
std::optional<float> result_for_quick_delete_promo_shown_count =
signals.GetSignal(kQuickDeletePromoShownCount);
std::optional<float>
result_for_educational_tip_shown_count_for_quick_delete_signal =
signals.GetSignal(kEducationalTipShownCount);
if (!result_for_is_user_signed_in.has_value() ||
!result_for_count_of_clearing_browsing_data.has_value() ||
!result_for_count_of_clearing_browsing_data_through_quick_delete
.has_value() ||
!result_for_quick_delete_promo_shown_count.has_value() ||
!result_for_educational_tip_shown_count_for_quick_delete_signal
.has_value()) {
result.position = EphemeralHomeModuleRank::kNotShown;
return result;
}
// Show the promo card if the user has never cleared browsing data or has
// cleared browsing data but never through quick delete in the past 30 days
// and the promo card has not been shown more than 3 times in 24 hours.
if (*result_for_is_user_signed_in &&
(result_for_count_of_clearing_browsing_data.value() == 0 ||
(result_for_count_of_clearing_browsing_data.value() > 0 &&
result_for_count_of_clearing_browsing_data_through_quick_delete
.value() == 0)) &&
result_for_quick_delete_promo_shown_count.value() < 1 &&
result_for_educational_tip_shown_count_for_quick_delete_signal.value() <
1) {
result.position = EphemeralHomeModuleRank::kLast;
return result;
}
result.position = EphemeralHomeModuleRank::kNotShown;
return result;
}
bool QuickDeletePromo::IsEnabled(bool is_in_enabled_cards_set,
int impression_count) {
std::optional<CardSelectionInfo::ShowResult> forced_result =
GetForcedEphemeralModuleShowResult();
if (forced_result.has_value() &&
forced_result.value().result_label.has_value() &&
kQuickDeletePromo == forced_result.value().result_label.value()) {
return true;
}
if (!base::FeatureList::IsEnabled(features::kEducationalTipModule) ||
!is_in_enabled_cards_set) {
return false;
}
if (impression_count >= features::kMaxQuickDeleteCardImpressions.Get()) {
return false;
}
return true;
}
} // namespace segmentation_platform::home_modules
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