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// Copyright 2013 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 "chrome/common/translate/translate_common_metrics.h"
#include "base/basictypes.h"
#include "base/metrics/histogram.h"
namespace {
// Constant string values to indicate UMA names. All entries should have
// a corresponding index in MetricsNameIndex and an entry in |kMetricsEntries|.
const char kRenderer4LanguageDetection[] = "Renderer4.LanguageDetection";
const char kTranslateContentLanguage[] = "Translate.ContentLanguage";
const char kTranslateHtmlLang[] = "Translate.HtmlLang";
const char kTranslateLanguageVerification[] = "Translate.LanguageVerification";
const char kTranslateTimeToBeReady[] = "Translate.TimeToBeReady";
const char kTranslateTimeToLoad[] = "Translate.TimeToLoad";
const char kTranslateTimeToTranslate[] = "Translate.TimeToTranslate";
const char kTranslateUserActionDuration[] = "Translate.UserActionDuration";
const char kTranslatePageScheme[] = "Translate.PageScheme";
const char kTranslateSimilarLanguageMatch[] = "Translate.SimilarLanguageMatch";
const char kSchemeHttp[] = "http";
const char kSchemeHttps[] = "https";
struct MetricsEntry {
TranslateCommonMetrics::MetricsNameIndex index;
const char* const name;
};
// This entry table should be updated when new UMA items are added.
const MetricsEntry kMetricsEntries[] = {
{ TranslateCommonMetrics::UMA_LANGUAGE_DETECTION,
kRenderer4LanguageDetection },
{ TranslateCommonMetrics::UMA_CONTENT_LANGUAGE,
kTranslateContentLanguage },
{ TranslateCommonMetrics::UMA_HTML_LANG,
kTranslateHtmlLang },
{ TranslateCommonMetrics::UMA_LANGUAGE_VERIFICATION,
kTranslateLanguageVerification },
{ TranslateCommonMetrics::UMA_TIME_TO_BE_READY,
kTranslateTimeToBeReady },
{ TranslateCommonMetrics::UMA_TIME_TO_LOAD,
kTranslateTimeToLoad },
{ TranslateCommonMetrics::UMA_TIME_TO_TRANSLATE,
kTranslateTimeToTranslate },
{ TranslateCommonMetrics::UMA_USER_ACTION_DURATION,
kTranslateUserActionDuration },
{ TranslateCommonMetrics::UMA_PAGE_SCHEME,
kTranslatePageScheme },
{ TranslateCommonMetrics::UMA_SIMILAR_LANGUAGE_MATCH,
kTranslateSimilarLanguageMatch },
};
COMPILE_ASSERT(arraysize(kMetricsEntries) == TranslateCommonMetrics::UMA_MAX,
arraysize_of_kMetricsEntries_should_be_UMA_MAX);
TranslateCommonMetrics::LanguageCheckType GetLanguageCheckMetric(
const std::string& provided_code,
const std::string& revised_code) {
if (provided_code.empty())
return TranslateCommonMetrics::LANGUAGE_NOT_PROVIDED;
else if (provided_code == revised_code)
return TranslateCommonMetrics::LANGUAGE_VALID;
return TranslateCommonMetrics::LANGUAGE_INVALID;
}
} // namespace
namespace TranslateCommonMetrics {
void ReportContentLanguage(const std::string& provided_code,
const std::string& revised_code) {
UMA_HISTOGRAM_ENUMERATION(kTranslateContentLanguage,
GetLanguageCheckMetric(provided_code, revised_code),
TranslateCommonMetrics::LANGUAGE_MAX);
}
void ReportHtmlLang(const std::string& provided_code,
const std::string& revised_code) {
UMA_HISTOGRAM_ENUMERATION(kTranslateHtmlLang,
GetLanguageCheckMetric(provided_code, revised_code),
TranslateCommonMetrics::LANGUAGE_MAX);
}
void ReportLanguageVerification(LanguageVerificationType type) {
UMA_HISTOGRAM_ENUMERATION(kTranslateLanguageVerification,
type,
LANGUAGE_VERIFICATION_MAX);
}
void ReportTimeToBeReady(double time_in_msec) {
UMA_HISTOGRAM_MEDIUM_TIMES(
kTranslateTimeToBeReady,
base::TimeDelta::FromMicroseconds(time_in_msec * 1000.0));
}
void ReportTimeToLoad(double time_in_msec) {
UMA_HISTOGRAM_MEDIUM_TIMES(
kTranslateTimeToLoad,
base::TimeDelta::FromMicroseconds(time_in_msec * 1000.0));
}
void ReportTimeToTranslate(double time_in_msec) {
UMA_HISTOGRAM_MEDIUM_TIMES(
kTranslateTimeToTranslate,
base::TimeDelta::FromMicroseconds(time_in_msec * 1000.0));
}
void ReportUserActionDuration(base::TimeTicks begin, base::TimeTicks end) {
UMA_HISTOGRAM_LONG_TIMES(kTranslateUserActionDuration, end - begin);
}
void ReportPageScheme(const std::string& scheme) {
SchemeType type = SCHEME_OTHERS;
if (scheme == kSchemeHttp)
type = SCHEME_HTTP;
else if (scheme == kSchemeHttps)
type = SCHEME_HTTPS;
UMA_HISTOGRAM_ENUMERATION(kTranslatePageScheme, type, SCHEME_MAX);
}
#if defined(ENABLE_LANGUAGE_DETECTION)
void ReportLanguageDetectionTime(base::TimeTicks begin, base::TimeTicks end) {
UMA_HISTOGRAM_MEDIUM_TIMES(kRenderer4LanguageDetection, end - begin);
}
#endif // defined(ENABLE_LANGUAGE_DETECTION)
void ReportSimilarLanguageMatch(bool match) {
UMA_HISTOGRAM_BOOLEAN(kTranslateSimilarLanguageMatch, match);
}
const char* GetMetricsName(MetricsNameIndex index) {
for (size_t i = 0; i < arraysize(kMetricsEntries); ++i) {
if (kMetricsEntries[i].index == index)
return kMetricsEntries[i].name;
}
NOTREACHED();
return NULL;
}
} // namespace TranslateCommonMetrics
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