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- // Copyright 2015 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 "components/dom_distiller/core/experiments.h"
- #include "base/command_line.h"
- #include "base/metrics/field_trial.h"
- #include "base/notreached.h"
- #include "base/strings/string_util.h"
- #include "components/dom_distiller/core/dom_distiller_switches.h"
- namespace dom_distiller {
- DistillerHeuristicsType GetDistillerHeuristicsType() {
- // Get the field trial name first to ensure the experiment is initialized.
- const std::string group_name =
- base::FieldTrialList::FindFullName("ReaderModeUI");
- const std::string switch_value =
- base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
- switches::kReaderModeHeuristics);
- if (switch_value != "") {
- if (switch_value == switches::reader_mode_heuristics::kAdaBoost) {
- return DistillerHeuristicsType::ADABOOST_MODEL;
- }
- if (switch_value == switches::reader_mode_heuristics::kAllArticles) {
- return DistillerHeuristicsType::ALL_ARTICLES;
- }
- if (switch_value == switches::reader_mode_heuristics::kOGArticle) {
- return DistillerHeuristicsType::OG_ARTICLE;
- }
- if (switch_value == switches::reader_mode_heuristics::kAlwaysTrue) {
- return DistillerHeuristicsType::ALWAYS_TRUE;
- }
- if (switch_value == switches::reader_mode_heuristics::kNone) {
- return DistillerHeuristicsType::NONE;
- }
- NOTREACHED() << "Invalid value for " << switches::kReaderModeHeuristics;
- } else {
- if (base::StartsWith(group_name, "AdaBoost",
- base::CompareCase::INSENSITIVE_ASCII)) {
- return DistillerHeuristicsType::ADABOOST_MODEL;
- }
- if (base::StartsWith(group_name, "AllArticles",
- base::CompareCase::INSENSITIVE_ASCII)) {
- return DistillerHeuristicsType::ALL_ARTICLES;
- }
- if (base::StartsWith(group_name, "OGArticle",
- base::CompareCase::INSENSITIVE_ASCII)) {
- return DistillerHeuristicsType::OG_ARTICLE;
- }
- if (base::StartsWith(group_name, "Disabled",
- base::CompareCase::INSENSITIVE_ASCII)) {
- return DistillerHeuristicsType::NONE;
- }
- }
- return DistillerHeuristicsType::ADABOOST_MODEL;
- }
- } // namespace dom_distiller
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