| // 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/browser/translate/translate_browser_metrics.h" |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/metrics/histogram.h" |
| #include "base/metrics/sparse_histogram.h" |
| #include "chrome/browser/language_usage_metrics.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 kTranslateInitiationStatus[] = |
| "Translate.InitiationStatus"; |
| const char kTranslateReportLanguageDetectionError[] = |
| "Translate.ReportLanguageDetectionError"; |
| const char kTranslateLocalesOnDisabledByPrefs[] = |
| "Translate.LocalesOnDisabledByPrefs"; |
| const char kTranslateUndisplayableLanguage[] = |
| "Translate.UndisplayableLanguage"; |
| const char kTranslateUnsupportedLanguageAtInitiation[] = |
| "Translate.UnsupportedLanguageAtInitiation"; |
| |
| struct MetricsEntry { |
| TranslateBrowserMetrics::MetricsNameIndex index; |
| const char* const name; |
| }; |
| |
| // This entry table should be updated when new UMA items are added. |
| const MetricsEntry kMetricsEntries[] = { |
| { TranslateBrowserMetrics::UMA_INITIATION_STATUS, |
| kTranslateInitiationStatus }, |
| { TranslateBrowserMetrics::UMA_LANGUAGE_DETECTION_ERROR, |
| kTranslateReportLanguageDetectionError }, |
| { TranslateBrowserMetrics::UMA_LOCALES_ON_DISABLED_BY_PREFS, |
| kTranslateLocalesOnDisabledByPrefs }, |
| { TranslateBrowserMetrics::UMA_UNDISPLAYABLE_LANGUAGE, |
| kTranslateUndisplayableLanguage }, |
| { TranslateBrowserMetrics::UMA_UNSUPPORTED_LANGUAGE_AT_INITIATION, |
| kTranslateUnsupportedLanguageAtInitiation }, |
| }; |
| |
| COMPILE_ASSERT(arraysize(kMetricsEntries) == TranslateBrowserMetrics::UMA_MAX, |
| arraysize_of_kMetricsEntries_should_be_UMA_MAX); |
| |
| } // namespace |
| |
| namespace TranslateBrowserMetrics { |
| |
| void ReportInitiationStatus(InitiationStatusType type) { |
| UMA_HISTOGRAM_ENUMERATION(kTranslateInitiationStatus, |
| type, |
| INITIATION_STATUS_MAX); |
| } |
| |
| void ReportLanguageDetectionError() { |
| UMA_HISTOGRAM_BOOLEAN(kTranslateReportLanguageDetectionError, true); |
| } |
| |
| void ReportLocalesOnDisabledByPrefs(const std::string& locale) { |
| UMA_HISTOGRAM_SPARSE_SLOWLY(kTranslateLocalesOnDisabledByPrefs, |
| LanguageUsageMetrics::ToLanguageCode(locale)); |
| } |
| |
| void ReportUndisplayableLanguage(const std::string& language) { |
| int language_code = LanguageUsageMetrics::ToLanguageCode(language); |
| UMA_HISTOGRAM_SPARSE_SLOWLY(kTranslateUndisplayableLanguage, |
| language_code); |
| } |
| |
| void ReportUnsupportedLanguageAtInitiation(const std::string& language) { |
| int language_code = LanguageUsageMetrics::ToLanguageCode(language); |
| UMA_HISTOGRAM_SPARSE_SLOWLY(kTranslateUnsupportedLanguageAtInitiation, |
| language_code); |
| } |
| |
| 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 TranslateBrowserMetrics |