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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/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::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, "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;
}
bool ShouldShowFeedbackForm() {
const std::string group_name =
base::FieldTrialList::FindFullName("ReaderModeUIFeedback");
const std::string switch_value =
base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
switches::kReaderModeFeedback);
if (switch_value != "") {
if (switch_value == switches::reader_mode_feedback::kOn) {
return true;
}
if (switch_value == switches::reader_mode_feedback::kOff) {
return false;
}
NOTREACHED() << "Invalid value for " << switches::kReaderModeFeedback;
} else {
if (group_name == "DoNotShow") {
return false;
}
if (group_name == "Show") {
return true;
}
}
return false;
}
}
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