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// Copyright 2023 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/compose/core/browser/config.h"
#include "base/containers/fixed_flat_set.h"
#include "base/containers/flat_set.h"
#include "base/feature_list.h"
#include "base/metrics/field_trial_params.h"
#include "base/no_destructor.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/types/cxx23_to_underlying.h"
#include "components/compose/core/browser/compose_features.h"
#include "components/segmentation_platform/public/features.h"
namespace compose {
namespace {
Config& GetMutableConfig() {
static base::NoDestructor<Config> s_config;
return *s_config;
}
unsigned int GetFieldTrialParamByFeatureAsUnsignedInt(
const base::Feature& feature,
const std::string& param_name,
unsigned int default_value) {
int value_as_int = base::GetFieldTrialParamByFeatureAsInt(
feature, param_name, static_cast<int>(default_value));
if (value_as_int < 0) {
return 0;
}
return static_cast<unsigned int>(value_as_int);
}
std::vector<std::string> GetFieldTrialParamAsSplitString(
const base::Feature& feature,
const std::string& param_name) {
std::string string_list =
base::GetFieldTrialParamValueByFeature(feature, param_name);
return base::SplitString(string_list, ", \t\n'\"", base::TRIM_WHITESPACE,
base::SPLIT_WANT_NONEMPTY);
}
constexpr auto DEFAULT_COMPOSE_ENABLED_COUNTRIES =
base::MakeFixedFlatSet<std::string>({"bd", "ca", "gh", "in", "ke", "my",
"ng", "ph", "pk", "sg", "tz", "ug",
"us", "zm", "zw"});
constexpr auto DEFAULT_PROACTIVE_NUDGE_ENABLED_COUNTRIES =
base::MakeFixedFlatSet<std::string>({"us"});
} // namespace
const Config& GetComposeConfig() {
return GetMutableConfig();
}
Config& GetMutableConfigForTesting() {
return GetMutableConfig();
}
void ResetConfigForTesting() {
GetMutableConfig() = Config();
}
Config::Config() {
input_min_words = GetFieldTrialParamByFeatureAsUnsignedInt(
features::kComposeInputParams, "min_words", input_min_words);
input_max_words = GetFieldTrialParamByFeatureAsUnsignedInt(
features::kComposeInputParams, "max_words", input_max_words);
input_max_chars = GetFieldTrialParamByFeatureAsUnsignedInt(
features::kComposeInputParams, "max_chars", input_max_chars);
inner_text_max_bytes = GetFieldTrialParamByFeatureAsUnsignedInt(
features::kComposeInnerText, "inner_text_max_bytes",
inner_text_max_bytes);
trimmed_inner_text_max_chars = GetFieldTrialParamByFeatureAsUnsignedInt(
features::kComposeInnerText, "trimmed_inner_text_max_chars",
trimmed_inner_text_max_chars);
trimmed_inner_text_header_length = GetFieldTrialParamByFeatureAsUnsignedInt(
features::kComposeInnerText, "trimmed_inner_text_header_length",
trimmed_inner_text_header_length);
auto_submit_with_selection =
base::FeatureList::IsEnabled(features::kComposeAutoSubmit);
is_nudge_shown_at_cursor =
base::FeatureList::IsEnabled(features::kEnableComposeNudgeAtCursor);
saved_state_nudge_enabled =
base::FeatureList::IsEnabled(features::kEnableComposeSavedStateNudge);
proactive_nudge_enabled =
base::FeatureList::IsEnabled(features::kEnableComposeProactiveNudge);
proactive_nudge_compact_ui = base::GetFieldTrialParamByFeatureAsBool(
features::kEnableComposeProactiveNudge, "proactive_nudge_compact_ui",
proactive_nudge_compact_ui);
proactive_nudge_show_probability = base::GetFieldTrialParamByFeatureAsDouble(
features::kEnableComposeProactiveNudge,
"proactive_nudge_show_probability", proactive_nudge_show_probability);
proactive_nudge_force_show_probability =
base::GetFieldTrialParamByFeatureAsDouble(
features::kEnableComposeProactiveNudge,
"proactive_nudge_force_show_probability",
proactive_nudge_force_show_probability);
proactive_nudge_always_collect_training_data =
base::GetFieldTrialParamByFeatureAsBool(
features::kEnableComposeProactiveNudge,
"proactive_nudge_always_collect_training_data",
proactive_nudge_always_collect_training_data);
// Note: Pre M129 the feature param was |proactive_nudge_delay_milliseconds|
// and was used for both the focus delay and after input delay. The default
// value of the old parameter was set to 1 second https://crrev.com/c/5672112
// which landed in M128. Before that it was 3 seconds.
proactive_nudge_focus_delay =
base::Milliseconds(base::GetFieldTrialParamByFeatureAsInt(
features::kEnableComposeProactiveNudge,
"proactive_nudge_focus_delay_milliseconds",
proactive_nudge_focus_delay.InMilliseconds()));
proactive_nudge_text_settled_delay =
base::Milliseconds(base::GetFieldTrialParamByFeatureAsInt(
features::kEnableComposeProactiveNudge,
"proactive_nudge_text_settled_delay_milliseconds",
proactive_nudge_text_settled_delay.InMilliseconds()));
proactive_nudge_text_change_count = base::GetFieldTrialParamByFeatureAsInt(
features::kEnableComposeProactiveNudge,
"proactive_nudge_text_change_count", proactive_nudge_text_change_count);
selection_nudge_enabled =
base::FeatureList::IsEnabled(features::kEnableComposeSelectionNudge);
selection_nudge_length =
base::saturated_cast<unsigned int>(GetFieldTrialParamByFeatureAsInt(
features::kEnableComposeSelectionNudge, "selection_nudge_length",
selection_nudge_length));
selection_nudge_delay =
base::Milliseconds(base::GetFieldTrialParamByFeatureAsInt(
features::kEnableComposeSelectionNudge,
"selection_nudge_delay_milliseconds",
selection_nudge_delay.InMilliseconds()));
selection_nudge_once_per_focus = base::GetFieldTrialParamByFeatureAsBool(
features::kEnableComposeSelectionNudge, "selection_nudge_once_per_focus",
selection_nudge_once_per_focus);
nudge_field_change_event_max = GetFieldTrialParamByFeatureAsUnsignedInt(
features::kEnableComposeProactiveNudge, "nudge_field_change_event_max",
nudge_field_change_event_max);
proactive_nudge_segmentation = base::FeatureList::IsEnabled(
segmentation_platform::features::kSegmentationPlatformComposePromotion);
proactive_nudge_field_per_navigation =
base::GetFieldTrialParamByFeatureAsBool(
features::kEnableComposeProactiveNudge,
"proactive_nudge_field_per_navigation",
proactive_nudge_field_per_navigation);
saved_state_timeout =
base::Milliseconds(base::GetFieldTrialParamByFeatureAsInt(
features::kEnableComposeSavedStateNotification,
"saved_state_timeout_milliseconds",
saved_state_timeout.InMilliseconds()));
focus_lost_delay = base::Milliseconds(base::GetFieldTrialParamByFeatureAsInt(
features::kEnableComposeSavedStateNotification,
"focus_lost_delay_milliseconds", focus_lost_delay.InMilliseconds()));
stay_in_window_bounds = base::GetFieldTrialParamByFeatureAsBool(
features::kComposeUiParams, "stay_in_window_bounds",
stay_in_window_bounds);
positioning_strategy = static_cast<DialogFallbackPositioningStrategy>(
base::GetFieldTrialParamByFeatureAsInt(
features::kComposeUiParams, "positioning_strategy",
base::to_underlying(positioning_strategy)));
request_latency_timeout =
base::Seconds(base::GetFieldTrialParamByFeatureAsInt(
features::kComposeRequestLatencyTimeout,
"request_latency_timeout_seconds",
request_latency_timeout.InSeconds()));
// The "countries" field trial params must contain a list of lowercase
// country codes, following the format described in the documentation for the
// variations::VariationsService::GetStoredPermanentCountry method. Commas,
// spaces, tabs, new lines, single and double quotes are all treated as
// separators and then discarded. A resulting empty list will be ignored in
// favor of the default launched countries list.
// To enable all countries, set it to have a single "*" element.
std::vector<std::string> enabled_countries_from_finch =
GetFieldTrialParamAsSplitString(features::kEnableCompose,
"enabled_countries");
enabled_countries =
(enabled_countries_from_finch.empty())
? base::flat_set<std::string>(
DEFAULT_COMPOSE_ENABLED_COUNTRIES.begin(),
DEFAULT_COMPOSE_ENABLED_COUNTRIES.end())
: base::flat_set<std::string>(enabled_countries_from_finch);
std::vector<std::string> proactive_nudge_countries_from_finch =
GetFieldTrialParamAsSplitString(features::kEnableComposeProactiveNudge,
"proactive_nudge_countries");
proactive_nudge_countries =
(proactive_nudge_countries_from_finch.empty())
? base::flat_set<std::string>(
DEFAULT_PROACTIVE_NUDGE_ENABLED_COUNTRIES.begin(),
DEFAULT_PROACTIVE_NUDGE_ENABLED_COUNTRIES.end())
: base::flat_set<std::string>(proactive_nudge_countries_from_finch);
session_max_allowed_lifetime =
base::Minutes(base::GetFieldTrialParamByFeatureAsInt(
features::kEnableCompose, "session_max_allowed_lifetime_minutes",
session_max_allowed_lifetime.InMinutes()));
}
Config::Config(const Config& other) = default;
Config::~Config() = default;
} // namespace compose
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