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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/prefs/pref_metrics_service.h"
#include <string>
#include "base/metrics/histogram_macros.h"
#include "base/values.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/prefs/session_startup_pref.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "chrome/browser/ui/tabs/pinned_tab_codec.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/url_constants.h"
#include "components/prefs/pref_service.h"
#include "components/search_engines/search_engine_utils.h"
#include "url/gurl.h"
PrefMetricsService::PrefMetricsService(Profile* profile)
: profile_(profile), prefs_(profile_->GetPrefs()) {
RecordLaunchPrefs();
}
PrefMetricsService::~PrefMetricsService() = default;
// static
void PrefMetricsService::RecordHomePageLaunchMetrics(bool show_home_button,
bool homepage_is_ntp,
const GURL& homepage_url) {
if (show_home_button) {
UMA_HISTOGRAM_BOOLEAN("Settings.GivenShowHomeButton_HomePageIsNewTabPage2",
homepage_is_ntp);
}
// For non-NTP homepages, see if the URL comes from the same TLD+1 as a known
// search engine. Note that this is only an approximation of search engine
// use, due to both false negatives (pages that come from unknown TLD+1 X but
// consist of a search box that sends to known TLD+1 Y) and false positives
// (pages that share a TLD+1 with a known engine but aren't actually search
// pages, e.g. plus.google.com).
if (!homepage_is_ntp) {
if (homepage_url.is_valid()) {
UMA_HISTOGRAM_ENUMERATION(
"Settings.HomePageEngineType2",
search_engine_utils::GetEngineType(homepage_url), SEARCH_ENGINE_MAX);
}
}
}
void PrefMetricsService::RecordLaunchPrefs() {
// On Android, determining whether the homepage is enabled requires waiting
// for a response from a third party provider installed on the device. So,
// it will be logged later once all the dependent information is available.
// See DeferredStartupHandler.java.
#if !BUILDFLAG(IS_ANDROID)
GURL homepage_url(prefs_->GetString(prefs::kHomePage));
RecordHomePageLaunchMetrics(prefs_->GetBoolean(prefs::kShowHomeButton),
prefs_->GetBoolean(prefs::kHomePageIsNewTabPage),
homepage_url);
#endif
// Tab restoring is always done on Android, so these metrics are not
// applicable. Also, startup pages are not supported on Android.
#if !BUILDFLAG(IS_ANDROID)
int restore_on_startup = prefs_->GetInteger(prefs::kRestoreOnStartup);
UMA_HISTOGRAM_ENUMERATION(
"Settings.StartupPageLoadSettings2", restore_on_startup,
static_cast<int>(SessionStartupPref::kPrefValueMax));
if (SessionStartupPref(
SessionStartupPref::PrefValueToType(restore_on_startup))
.ShouldOpenUrls()) {
const base::Value::List& url_list =
prefs_->GetList(prefs::kURLsToRestoreOnStartup);
// Similarly, check startup pages for known search engine TLD+1s.
for (const base::Value& i : url_list) {
const std::string* url_text = i.GetIfString();
if (url_text) {
GURL start_url(*url_text);
if (start_url.is_valid()) {
UMA_HISTOGRAM_ENUMERATION(
"Settings.StartupPageEngineTypes2",
search_engine_utils::GetEngineType(start_url), SEARCH_ENGINE_MAX);
}
}
}
}
#endif
}
// static
PrefMetricsService::Factory* PrefMetricsService::Factory::GetInstance() {
return base::Singleton<PrefMetricsService::Factory>::get();
}
// static
PrefMetricsService* PrefMetricsService::Factory::GetForProfile(
Profile* profile) {
return static_cast<PrefMetricsService*>(
GetInstance()->GetServiceForBrowserContext(profile, true));
}
PrefMetricsService::Factory::Factory()
: ProfileKeyedServiceFactory(
"PrefMetricsService",
ProfileSelections::Builder()
.WithRegular(ProfileSelection::kOriginalOnly)
// Not needed for any other profile types because these settings
// is only configurable by the profile owner for regular
// browser profiles.
.WithGuest(ProfileSelection::kNone)
.WithSystem(ProfileSelection::kNone)
.WithAshInternals(ProfileSelection::kNone)
.Build()) {
DependsOn(TemplateURLServiceFactory::GetInstance());
}
PrefMetricsService::Factory::~Factory() = default;
std::unique_ptr<KeyedService>
PrefMetricsService::Factory::BuildServiceInstanceForBrowserContext(
content::BrowserContext* context) const {
Profile* profile = Profile::FromBrowserContext(context);
return std::make_unique<PrefMetricsService>(profile);
}
bool PrefMetricsService::Factory::ServiceIsCreatedWithBrowserContext() const {
return true;
}
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