components/search_engines/search_engines_switches.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_SEARCH_ENGINES_SEARCH_ENGINES_SWITCHES_H_
#define COMPONENTS_SEARCH_ENGINES_SEARCH_ENGINES_SWITCHES_H_

#include <string>

#include "base/component_export.h"
#include "base/feature_list.h"
#include "base/metrics/field_trial_params.h"
#include "build/build_config.h"

namespace switches {

COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
extern const char kExtraSearchQueryParams[];

COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
extern const char kSearchEngineChoiceCountry[];

// `kDefaultListCountryOverride` and `kEeaRegionCountryOverrideString` are
// special values for `kSearchEngineChoiceCountry`.
// `kDefaultListCountryOverride` will override the list of search engines to
// display the default set.
// `kEeaListCountryOverride` will override the list
// of search engines to display list of all EEA engines.
inline const char kDefaultListCountryOverride[] = "DEFAULT_EEA";
inline const char kEeaListCountryOverride[] = "EEA_ALL";

COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
extern const char kDisableSearchEngineChoiceScreen[];

COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
extern const char kForceSearchEngineChoiceScreen[];

COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
BASE_DECLARE_FEATURE(kSearchEngineChoiceTrigger);

#if BUILDFLAG(IS_ANDROID)
COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
BASE_DECLARE_FEATURE(kSearchEngineChoiceAttribution);
#endif

#if BUILDFLAG(IS_ANDROID)
COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
BASE_DECLARE_FEATURE(kPersistentSearchEngineChoiceImport);
#endif

COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
extern const base::FeatureParam<bool>
    kSearchEngineChoiceTriggerForTaggedProfilesOnly;

// Forces the search engine choice country to Belgium. Used for testing
// purposes.
COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
extern const base::FeatureParam<bool>
    kSearchEngineChoiceTriggerWithForceEeaCountry;

// The string that's passed to
// `switches::kSearchEngineChoiceTriggerRepromptParams` so that we don't
// reprompt users with the choice screen.
inline constexpr char kSearchEngineChoiceNoRepromptString[] = "NO_REPROMPT";

// Reprompt params for the search engine choice.
// This is a JSON dictionary where keys are country codes, and values are Chrome
// version strings. The wildcard country '*' represents all countries.
// When a specific country is specified, it takes precedence over the wildcard.
// Note: this has no effect for users with the parameter
// `kSearchEngineChoiceTriggerForTaggedProfilesOnly` set to `true`.
//
// Example: {"*": "2.0.0.0", "BE": "5.0.0.0"}
// This reprompts users in Belgium who made the choice strictly before version
// 5, and users in all other countries who made the choice strictly before
// version 2.
COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
extern const base::FeatureParam<std::string>
    kSearchEngineChoiceTriggerRepromptParams;

// Whether the search engine choice screen should be suppressed when the
// default search engine is not Google.
COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
extern const base::FeatureParam<bool> kSearchEngineChoiceTriggerSkipFor3p;

#if BUILDFLAG(IS_IOS)
// Maximum number of time the search engine choice screen can be skipped
// because the application is started via an external intent. Once this
// count is reached, the search engine choice screen is presented on all
// restart until the user has made a decision.
COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
extern const base::FeatureParam<int> kSearchEngineChoiceMaximumSkipCount;
#endif

#if BUILDFLAG(IS_ANDROID)
// Enables the search engine choice feature for existing users.
// TODO(b/316859558): Not used for shipping purposes, remove this feature.
COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
BASE_DECLARE_FEATURE(kSearchEngineChoice);

// Rewrites DefaultSearchEnginePromoDialog into MVC pattern.
COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
BASE_DECLARE_FEATURE(kSearchEnginePromoDialogRewrite);
#endif

// Kill switch to revert the fix of using assistedQueryStats for prefetch source
// component. See crbug.com/345275145.
COMPONENT_EXPORT(SEARCH_ENGINES_SWITCHES)
BASE_DECLARE_FEATURE(kPrefetchParameterFix);
}  // namespace switches

#endif  // COMPONENTS_SEARCH_ENGINES_SEARCH_ENGINES_SWITCHES_H_