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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_ui_delegate.h" | |
| 6 | |
| 7 #include "base/i18n/string_compare.h" | |
| 8 #include "base/metrics/histogram.h" | |
| 9 #include "chrome/browser/browser_process.h" | |
| 10 #include "chrome/browser/profiles/profile.h" | |
| 11 #include "chrome/browser/translate/translate_tab_helper.h" | |
| 12 #include "components/translate/core/browser/translate_download_manager.h" | |
| 13 #include "components/translate/core/browser/translate_manager.h" | |
| 14 #include "components/translate/core/browser/translate_prefs.h" | |
| 15 #include "components/translate/core/common/translate_constants.h" | |
| 16 #include "content/public/browser/browser_context.h" | |
| 17 #include "content/public/browser/navigation_entry.h" | |
| 18 #include "content/public/browser/web_contents.h" | |
| 19 #include "third_party/icu/source/i18n/unicode/coll.h" | |
| 20 #include "ui/base/l10n/l10n_util.h" | |
| 21 | |
| 22 namespace { | |
| 23 | |
| 24 const char kDeclineTranslate[] = "Translate.DeclineTranslate"; | |
| 25 const char kRevertTranslation[] = "Translate.RevertTranslation"; | |
| 26 const char kPerformTranslate[] = "Translate.Translate"; | |
| 27 const char kNeverTranslateLang[] = "Translate.NeverTranslateLang"; | |
| 28 const char kNeverTranslateSite[] = "Translate.NeverTranslateSite"; | |
| 29 const char kAlwaysTranslateLang[] = "Translate.AlwaysTranslateLang"; | |
| 30 const char kModifyOriginalLang[] = "Translate.ModifyOriginalLang"; | |
| 31 const char kModifyTargetLang[] = "Translate.ModifyTargetLang"; | |
| 32 const char kDeclineTranslateDismissUI[] = "Translate.DeclineTranslateDismissUI"; | |
| 33 const char kShowErrorUI[] = "Translate.ShowErrorUI"; | |
| 34 | |
| 35 } // namespace | |
| 36 | |
| 37 TranslateUIDelegate::TranslateUIDelegate(content::WebContents* web_contents, | |
| 38 const std::string& original_language, | |
| 39 const std::string& target_language) | |
| 40 : web_contents_(web_contents), | |
| 41 original_language_index_(NO_INDEX), | |
| 42 initial_original_language_index_(NO_INDEX), | |
| 43 target_language_index_(NO_INDEX) { | |
| 44 DCHECK(web_contents_); | |
| 45 | |
| 46 std::vector<std::string> language_codes; | |
| 47 TranslateDownloadManager::GetSupportedLanguages(&language_codes); | |
| 48 | |
| 49 // Preparing for the alphabetical order in the locale. | |
| 50 UErrorCode error = U_ZERO_ERROR; | |
| 51 std::string locale = g_browser_process->GetApplicationLocale(); | |
| 52 icu::Locale loc(locale.c_str()); | |
| 53 scoped_ptr<icu::Collator> collator(icu::Collator::createInstance(loc, error)); | |
| 54 collator->setStrength(icu::Collator::PRIMARY); | |
| 55 | |
| 56 languages_.reserve(language_codes.size()); | |
| 57 for (std::vector<std::string>::const_iterator iter = language_codes.begin(); | |
| 58 iter != language_codes.end(); ++iter) { | |
| 59 std::string language_code = *iter; | |
| 60 | |
| 61 base::string16 language_name = l10n_util::GetDisplayNameForLocale( | |
| 62 language_code, g_browser_process->GetApplicationLocale(), true); | |
| 63 // Insert the language in languages_ in alphabetical order. | |
| 64 std::vector<LanguageNamePair>::iterator iter2; | |
| 65 for (iter2 = languages_.begin(); iter2 != languages_.end(); ++iter2) { | |
| 66 if (base::i18n::CompareString16WithCollator(collator.get(), | |
| 67 language_name, iter2->second) == UCOL_LESS) { | |
| 68 break; | |
| 69 } | |
| 70 } | |
| 71 languages_.insert(iter2, LanguageNamePair(language_code, language_name)); | |
| 72 } | |
| 73 for (std::vector<LanguageNamePair>::const_iterator iter = languages_.begin(); | |
| 74 iter != languages_.end(); ++iter) { | |
| 75 std::string language_code = iter->first; | |
| 76 if (language_code == original_language) { | |
| 77 original_language_index_ = iter - languages_.begin(); | |
| 78 initial_original_language_index_ = original_language_index_; | |
| 79 } | |
| 80 if (language_code == target_language) | |
| 81 target_language_index_ = iter - languages_.begin(); | |
| 82 } | |
| 83 | |
| 84 Profile* profile = | |
| 85 Profile::FromBrowserContext(web_contents_->GetBrowserContext()); | |
| 86 prefs_ = TranslateTabHelper::CreateTranslatePrefs(profile->GetPrefs()); | |
| 87 } | |
| 88 | |
| 89 TranslateUIDelegate::~TranslateUIDelegate() { | |
| 90 } | |
| 91 | |
| 92 void TranslateUIDelegate::OnErrorShown(TranslateErrors::Type error_type) { | |
| 93 DCHECK_LE(TranslateErrors::NONE, error_type); | |
| 94 DCHECK_LT(error_type, TranslateErrors::TRANSLATE_ERROR_MAX); | |
| 95 | |
| 96 if (error_type == TranslateErrors::NONE) | |
| 97 return; | |
| 98 | |
| 99 UMA_HISTOGRAM_ENUMERATION(kShowErrorUI, error_type, | |
| 100 TranslateErrors::TRANSLATE_ERROR_MAX); | |
| 101 } | |
| 102 | |
| 103 size_t TranslateUIDelegate::GetNumberOfLanguages() const { | |
| 104 return languages_.size(); | |
| 105 } | |
| 106 | |
| 107 size_t TranslateUIDelegate::GetOriginalLanguageIndex() const { | |
| 108 return original_language_index_; | |
| 109 } | |
| 110 | |
| 111 void TranslateUIDelegate::UpdateOriginalLanguageIndex(size_t language_index) { | |
| 112 if (original_language_index_ == language_index) | |
| 113 return; | |
| 114 | |
| 115 UMA_HISTOGRAM_BOOLEAN(kModifyOriginalLang, true); | |
| 116 original_language_index_ = language_index; | |
| 117 } | |
| 118 | |
| 119 size_t TranslateUIDelegate::GetTargetLanguageIndex() const { | |
| 120 return target_language_index_; | |
| 121 } | |
| 122 | |
| 123 void TranslateUIDelegate::UpdateTargetLanguageIndex(size_t language_index) { | |
| 124 if (target_language_index_ == language_index) | |
| 125 return; | |
| 126 | |
| 127 DCHECK_LT(language_index, GetNumberOfLanguages()); | |
| 128 UMA_HISTOGRAM_BOOLEAN(kModifyTargetLang, true); | |
| 129 target_language_index_ = language_index; | |
| 130 } | |
| 131 | |
| 132 | |
| 133 std::string TranslateUIDelegate::GetLanguageCodeAt(size_t index) const { | |
| 134 DCHECK_LT(index, GetNumberOfLanguages()); | |
| 135 return languages_[index].first; | |
| 136 } | |
| 137 | |
| 138 base::string16 TranslateUIDelegate::GetLanguageNameAt(size_t index) const { | |
| 139 if (index == static_cast<size_t>(NO_INDEX)) | |
| 140 return base::string16(); | |
| 141 DCHECK_LT(index, GetNumberOfLanguages()); | |
| 142 return languages_[index].second; | |
| 143 } | |
| 144 | |
| 145 std::string TranslateUIDelegate::GetOriginalLanguageCode() const { | |
| 146 return (GetOriginalLanguageIndex() == static_cast<size_t>(NO_INDEX)) ? | |
| 147 translate::kUnknownLanguageCode : | |
| 148 GetLanguageCodeAt(GetOriginalLanguageIndex()); | |
| 149 } | |
| 150 | |
| 151 std::string TranslateUIDelegate::GetTargetLanguageCode() const { | |
| 152 return GetLanguageCodeAt(GetTargetLanguageIndex()); | |
| 153 } | |
| 154 | |
| 155 void TranslateUIDelegate::Translate() { | |
| 156 if (!web_contents()->GetBrowserContext()->IsOffTheRecord()) { | |
| 157 prefs_->ResetTranslationDeniedCount(GetOriginalLanguageCode()); | |
| 158 prefs_->IncrementTranslationAcceptedCount(GetOriginalLanguageCode()); | |
| 159 } | |
| 160 TranslateManager* manager = | |
| 161 TranslateTabHelper::GetManagerFromWebContents(web_contents()); | |
| 162 DCHECK(manager); | |
| 163 manager->TranslatePage( | |
| 164 GetOriginalLanguageCode(), GetTargetLanguageCode(), false); | |
| 165 | |
| 166 UMA_HISTOGRAM_BOOLEAN(kPerformTranslate, true); | |
| 167 } | |
| 168 | |
| 169 void TranslateUIDelegate::RevertTranslation() { | |
| 170 TranslateManager* manager = | |
| 171 TranslateTabHelper::GetManagerFromWebContents(web_contents()); | |
| 172 DCHECK(manager); | |
| 173 manager->RevertTranslation(); | |
| 174 | |
| 175 UMA_HISTOGRAM_BOOLEAN(kRevertTranslation, true); | |
| 176 } | |
| 177 | |
| 178 void TranslateUIDelegate::TranslationDeclined(bool explicitly_closed) { | |
| 179 if (!web_contents()->GetBrowserContext()->IsOffTheRecord()) { | |
| 180 prefs_->ResetTranslationAcceptedCount(GetOriginalLanguageCode()); | |
| 181 prefs_->IncrementTranslationDeniedCount(GetOriginalLanguageCode()); | |
| 182 } | |
| 183 | |
| 184 // Remember that the user declined the translation so as to prevent showing a | |
| 185 // translate infobar for that page again. (TranslateManager initiates | |
| 186 // translations when getting a LANGUAGE_DETERMINED from the page, which | |
| 187 // happens when a load stops. That could happen multiple times, including | |
| 188 // after the user already declined the translation.) | |
| 189 TranslateTabHelper::FromWebContents(web_contents())-> | |
| 190 GetLanguageState().set_translation_declined(true); | |
| 191 | |
| 192 UMA_HISTOGRAM_BOOLEAN(kDeclineTranslate, true); | |
| 193 | |
| 194 if (!explicitly_closed) | |
| 195 UMA_HISTOGRAM_BOOLEAN(kDeclineTranslateDismissUI, true); | |
| 196 } | |
| 197 | |
| 198 bool TranslateUIDelegate::IsLanguageBlocked() { | |
| 199 return prefs_->IsBlockedLanguage(GetOriginalLanguageCode()); | |
| 200 } | |
| 201 | |
| 202 void TranslateUIDelegate::SetLanguageBlocked(bool value) { | |
| 203 if (value) { | |
| 204 prefs_->BlockLanguage(GetOriginalLanguageCode()); | |
| 205 TranslateTabHelper* translate_tab_helper = | |
| 206 TranslateTabHelper::FromWebContents(web_contents()); | |
| 207 DCHECK(translate_tab_helper); | |
| 208 translate_tab_helper->GetLanguageState().SetTranslateEnabled(false); | |
| 209 } else { | |
| 210 prefs_->UnblockLanguage(GetOriginalLanguageCode()); | |
| 211 } | |
| 212 | |
| 213 UMA_HISTOGRAM_BOOLEAN(kNeverTranslateLang, true); | |
| 214 } | |
| 215 | |
| 216 bool TranslateUIDelegate::IsSiteBlacklisted() { | |
| 217 std::string host = GetPageHost(); | |
| 218 return !host.empty() && prefs_->IsSiteBlacklisted(host); | |
| 219 } | |
| 220 | |
| 221 void TranslateUIDelegate::SetSiteBlacklist(bool value) { | |
| 222 std::string host = GetPageHost(); | |
| 223 if (host.empty()) | |
| 224 return; | |
| 225 | |
| 226 if (value) { | |
| 227 prefs_->BlacklistSite(host); | |
| 228 TranslateTabHelper* translate_tab_helper = | |
| 229 TranslateTabHelper::FromWebContents(web_contents()); | |
| 230 DCHECK(translate_tab_helper); | |
| 231 translate_tab_helper->GetLanguageState().SetTranslateEnabled(false); | |
| 232 } else { | |
| 233 prefs_->RemoveSiteFromBlacklist(host); | |
| 234 } | |
| 235 | |
| 236 UMA_HISTOGRAM_BOOLEAN(kNeverTranslateSite, true); | |
| 237 } | |
| 238 | |
| 239 bool TranslateUIDelegate::ShouldAlwaysTranslate() { | |
| 240 return prefs_->IsLanguagePairWhitelisted(GetOriginalLanguageCode(), | |
| 241 GetTargetLanguageCode()); | |
| 242 } | |
| 243 | |
| 244 void TranslateUIDelegate::SetAlwaysTranslate(bool value) { | |
| 245 const std::string& original_lang = GetOriginalLanguageCode(); | |
| 246 const std::string& target_lang = GetTargetLanguageCode(); | |
| 247 if (value) | |
| 248 prefs_->WhitelistLanguagePair(original_lang, target_lang); | |
| 249 else | |
| 250 prefs_->RemoveLanguagePairFromWhitelist(original_lang, target_lang); | |
| 251 | |
| 252 UMA_HISTOGRAM_BOOLEAN(kAlwaysTranslateLang, true); | |
| 253 } | |
| 254 | |
| 255 std::string TranslateUIDelegate::GetPageHost() { | |
| 256 content::NavigationEntry* entry = | |
| 257 web_contents()->GetController().GetActiveEntry(); | |
| 258 return entry ? entry->GetURL().HostNoBrackets() : std::string(); | |
| 259 } | |
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Chromium Code Reviews
Issue 229363002:
Componentize TranslateUIDelegate (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src