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// Copyright 2014 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 "chrome/browser/ui/passwords/password_bubble_experiment.h"
#include "base/metrics/field_trial.h"
#include "base/prefs/pref_service.h"
#include "base/strings/string_number_conversions.h"
#include "chrome/common/pref_names.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/variations/variations_associated_data.h"
namespace password_bubble_experiment {
namespace {
// Return the number of consecutive times the user clicked "Not now" in the
// "Save password" bubble.
int GetCurrentNopesCount(PrefService* prefs) {
return prefs->GetInteger(prefs::kPasswordBubbleNopesCount);
}
} // namespace
const char kExperimentName[] = "PasswordBubbleAlgorithm";
const char kParamNopeThreshold[] = "consecutive_nope_threshold";
void RegisterPrefs(user_prefs::PrefRegistrySyncable* registry) {
registry->RegisterIntegerPref(
prefs::kPasswordBubbleNopesCount,
0,
user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
}
bool ShouldShowNeverForThisSiteDefault(PrefService* prefs) {
if (!base::FieldTrialList::TrialExists(kExperimentName))
return false;
std::string param =
variations::GetVariationParamValue(kExperimentName, kParamNopeThreshold);
int threshold = 0;
return base::StringToInt(param, &threshold) &&
GetCurrentNopesCount(prefs) >= threshold;
}
void RecordBubbleClosed(
PrefService* prefs,
password_manager::metrics_util::UIDismissalReason reason) {
// Clicking "Never" doesn't change the experiment state.
if (reason == password_manager::metrics_util::CLICKED_NEVER)
return;
int nopes_count = GetCurrentNopesCount(prefs);
if (reason == password_manager::metrics_util::CLICKED_NOPE)
nopes_count++;
else
nopes_count = 0;
prefs->SetInteger(prefs::kPasswordBubbleNopesCount, nopes_count);
}
} // namespace password_bubble_experiment
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