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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.
#ifndef CHROME_RENDERER_TRANSLATE_TRANSLATE_HELPER_METRICS_H_
#define CHROME_RENDERER_TRANSLATE_TRANSLATE_HELPER_METRICS_H_
#include <string>
#include "base/time.h"
namespace TranslateHelperMetrics {
// An indexing type to query each UMA entry name via GetMetricsName() function.
// Note: |kMetricsEntries| should be updated when a new entry is added here.
enum MetricsNameIndex {
UMA_LANGUAGE_DETECTION,
UMA_CONTENT_LANGUAGE,
UMA_HTML_LANG,
UMA_LANGUAGE_VERIFICATION,
UMA_TIME_TO_BE_READY,
UMA_TIME_TO_LOAD,
UMA_TIME_TO_TRANSLATE,
UMA_USER_ACTION_DURATION,
UMA_PAGE_SCHEME,
UMA_SIMILAR_LANGUAGE_MATCH,
UMA_MAX,
};
// A page may provide a Content-Language HTTP header or a META tag.
// TranslateHelper checks if a server provides a valid Content-Language.
enum LanguageCheckType {
LANGUAGE_NOT_PROVIDED,
LANGUAGE_VALID,
LANGUAGE_INVALID,
LANGUAGE_MAX,
};
// When a valid Content-Language is provided, TranslateHelper checks if a
// server provided Content-Language matches to a language CLD determined.
enum LanguageVerificationType {
LANGUAGE_VERIFICATION_CLD_DISABLED,
LANGUAGE_VERIFICATION_CLD_ONLY,
LANGUAGE_VERIFICATION_UNKNOWN,
LANGUAGE_VERIFICATION_CLD_AGREE,
LANGUAGE_VERIFICATION_CLD_DISAGREE,
LANGUAGE_VERIFICATION_MAX,
};
// Scheme type of pages Chrome is going to translate.
enum SchemeType {
SCHEME_HTTP,
SCHEME_HTTPS,
SCHEME_OTHERS,
SCHEME_MAX,
};
// Called after TranslateHelper verifies a server providing Content-Language
// header. |provided_code| contains a Content-Language header value which a
// server provides. It can be empty string when a server doesn't provide it.
// |revised_code| is a value modified by format error corrector.
void ReportContentLanguage(const std::string& provided_code,
const std::string& revised_code);
// Called after TranslateHelper verifies a page providing html lang attribute.
// |provided_code| contains a html lang attribute which a page provides. It can
// be empty string when a page doesn't provide it. |revised_code| is a value
// modified by format error corrector.
void ReportHtmlLang(const std::string& provided_code,
const std::string& revised_code);
// Called when CLD verifies Content-Language header.
void ReportLanguageVerification(LanguageVerificationType type);
// Called when the Translate Element library is ready.
void ReportTimeToBeReady(double time_in_msec);
// Called when the Translate Element library is loaded.
void ReportTimeToLoad(double time_in_msec);
// Called when a page translation is finished.
void ReportTimeToTranslate(double time_in_msec);
// Called when a translation is triggered.
void ReportUserActionDuration(base::TimeTicks begin, base::TimeTicks end);
// Called when a translation is triggered.
void ReportPageScheme(const std::string& scheme);
#if defined(ENABLE_LANGUAGE_DETECTION)
// Called when CLD detects page language.
void ReportLanguageDetectionTime(base::TimeTicks begin, base::TimeTicks end);
#endif // defined(ENABLE_LANGUAGE_DETECTION)
// Called when CLD agreed on a language which is different, but in the similar
// language list.
void ReportSimilarLanguageMatch(bool match);
// Gets UMA name for an entry specified by |index|.
const char* GetMetricsName(MetricsNameIndex index);
} // namespace TranslateHelperMetrics
#endif // CHROME_RENDERER_TRANSLATE_TRANSLATE_HELPER_METRICS_H_
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