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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/translate/translate_browser_metrics.h" | |
| 6 | |
| 7 #include <string> | |
| 8 | |
| 9 #include "base/basictypes.h" | |
| 10 #include "base/metrics/histogram.h" | |
| 11 #include "base/metrics/sparse_histogram.h" | |
| 12 #include "chrome/browser/language_usage_metrics.h" | |
| 13 | |
| 14 namespace { | |
| 15 | |
| 16 // Constant string values to indicate UMA names. All entries should have | |
| 17 // a corresponding index in MetricsNameIndex and an entry in |kMetricsEntries|. | |
| 18 const char kTranslateInitiationStatus[] = | |
| 19 "Translate.InitiationStatus.v2"; | |
| 20 const char kTranslateReportLanguageDetectionError[] = | |
| 21 "Translate.ReportLanguageDetectionError"; | |
| 22 const char kTranslateLocalesOnDisabledByPrefs[] = | |
| 23 "Translate.LocalesOnDisabledByPrefs"; | |
| 24 const char kTranslateUndisplayableLanguage[] = | |
| 25 "Translate.UndisplayableLanguage"; | |
| 26 const char kTranslateUnsupportedLanguageAtInitiation[] = | |
| 27 "Translate.UnsupportedLanguageAtInitiation"; | |
| 28 | |
| 29 struct MetricsEntry { | |
| 30 TranslateBrowserMetrics::MetricsNameIndex index; | |
| 31 const char* const name; | |
| 32 }; | |
| 33 | |
| 34 // This entry table should be updated when new UMA items are added. | |
| 35 const MetricsEntry kMetricsEntries[] = { | |
| 36 { TranslateBrowserMetrics::UMA_INITIATION_STATUS, | |
| 37 kTranslateInitiationStatus }, | |
| 38 { TranslateBrowserMetrics::UMA_LANGUAGE_DETECTION_ERROR, | |
| 39 kTranslateReportLanguageDetectionError }, | |
| 40 { TranslateBrowserMetrics::UMA_LOCALES_ON_DISABLED_BY_PREFS, | |
| 41 kTranslateLocalesOnDisabledByPrefs }, | |
| 42 { TranslateBrowserMetrics::UMA_UNDISPLAYABLE_LANGUAGE, | |
| 43 kTranslateUndisplayableLanguage }, | |
| 44 { TranslateBrowserMetrics::UMA_UNSUPPORTED_LANGUAGE_AT_INITIATION, | |
| 45 kTranslateUnsupportedLanguageAtInitiation }, | |
| 46 }; | |
| 47 | |
| 48 COMPILE_ASSERT(arraysize(kMetricsEntries) == TranslateBrowserMetrics::UMA_MAX, | |
| 49 arraysize_of_kMetricsEntries_should_be_UMA_MAX); | |
| 50 | |
| 51 } // namespace | |
| 52 | |
| 53 namespace TranslateBrowserMetrics { | |
| 54 | |
| 55 void ReportInitiationStatus(InitiationStatusType type) { | |
| 56 UMA_HISTOGRAM_ENUMERATION(kTranslateInitiationStatus, | |
| 57 type, | |
| 58 INITIATION_STATUS_MAX); | |
| 59 } | |
| 60 | |
| 61 void ReportLanguageDetectionError() { | |
| 62 UMA_HISTOGRAM_BOOLEAN(kTranslateReportLanguageDetectionError, true); | |
| 63 } | |
| 64 | |
| 65 void ReportLocalesOnDisabledByPrefs(const std::string& locale) { | |
| 66 UMA_HISTOGRAM_SPARSE_SLOWLY(kTranslateLocalesOnDisabledByPrefs, | |
| 67 LanguageUsageMetrics::ToLanguageCode(locale)); | |
| 68 } | |
| 69 | |
| 70 void ReportUndisplayableLanguage(const std::string& language) { | |
| 71 int language_code = LanguageUsageMetrics::ToLanguageCode(language); | |
| 72 UMA_HISTOGRAM_SPARSE_SLOWLY(kTranslateUndisplayableLanguage, | |
| 73 language_code); | |
| 74 } | |
| 75 | |
| 76 void ReportUnsupportedLanguageAtInitiation(const std::string& language) { | |
| 77 int language_code = LanguageUsageMetrics::ToLanguageCode(language); | |
| 78 UMA_HISTOGRAM_SPARSE_SLOWLY(kTranslateUnsupportedLanguageAtInitiation, | |
| 79 language_code); | |
| 80 } | |
| 81 | |
| 82 const char* GetMetricsName(MetricsNameIndex index) { | |
| 83 for (size_t i = 0; i < arraysize(kMetricsEntries); ++i) { | |
| 84 if (kMetricsEntries[i].index == index) | |
| 85 return kMetricsEntries[i].name; | |
| 86 } | |
| 87 NOTREACHED(); | |
| 88 return NULL; | |
| 89 } | |
| 90 | |
| 91 } // namespace TranslateBrowserMetrics | |
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