Move TranslatePrefs to the Translate component

chrome/browser/translate/translate_prefs.h

-// Copyright (c) 2010 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_BROWSER_TRANSLATE_TRANSLATE_PREFS_H_
-#define CHROME_BROWSER_TRANSLATE_TRANSLATE_PREFS_H_
-
-#include <string>
-#include <vector>
-
-#include "base/gtest_prod_util.h"
-#include "url/gurl.h"
-
-class PrefService;
-class Profile;
-
-namespace base {
-class DictionaryValue;
-class ListValue;
-}
-
-namespace user_prefs {
-class PrefRegistrySyncable;
-}
-
-// The wrapper of PrefService object for Translate.
-//
-// It is assumed that |prefs_| is alive while this instance is alive.
-class TranslatePrefs {
- public:
-  static const char kPrefTranslateLanguageBlacklist[];
-  static const char kPrefTranslateSiteBlacklist[];
-  static const char kPrefTranslateWhitelists[];
-  static const char kPrefTranslateDeniedCount[];
-  static const char kPrefTranslateAcceptedCount[];
-  static const char kPrefTranslateBlockedLanguages[];
-
-  explicit TranslatePrefs(PrefService* user_prefs);
-
-  // Resets the blocked languages list, the sites blacklist, the languages
-  // whitelist, and the accepted/denied counts.
-  void ResetToDefaults();
-
-  bool IsBlockedLanguage(const std::string& original_language) const;
-  void BlockLanguage(const std::string& original_language);
-  void UnblockLanguage(const std::string& original_language);
-
-  // Removes a language from the old blacklist. This method is for
-  // chrome://translate-internals/.  Don't use this if there is no special
-  // reason.
-  void RemoveLanguageFromLegacyBlacklist(const std::string& original_language);
-
-  bool IsSiteBlacklisted(const std::string& site) const;
-  void BlacklistSite(const std::string& site);
-  void RemoveSiteFromBlacklist(const std::string& site);
-
-  bool HasWhitelistedLanguagePairs() const;
-
-  bool IsLanguagePairWhitelisted(const std::string& original_language,
-      const std::string& target_language);
-  void WhitelistLanguagePair(const std::string& original_language,
-      const std::string& target_language);
-  void RemoveLanguagePairFromWhitelist(const std::string& original_language,
-      const std::string& target_language);
-
-  // Will return true if at least one language has been blacklisted.
-  bool HasBlockedLanguages() const;
-
-  // Will return true if at least one site has been blacklisted.
-  bool HasBlacklistedSites() const;
-
-  // These methods are used to track how many times the user has denied the
-  // translation for a specific language. (So we can present a UI to black-list
-  // that language if the user keeps denying translations).
-  int GetTranslationDeniedCount(const std::string& language) const;
-  void IncrementTranslationDeniedCount(const std::string& language);
-  void ResetTranslationDeniedCount(const std::string& language);
-
-  // These methods are used to track how many times the user has accepted the
-  // translation for a specific language. (So we can present a UI to white-list
-  // that language if the user keeps accepting translations).
-  int GetTranslationAcceptedCount(const std::string& language);
-  void IncrementTranslationAcceptedCount(const std::string& language);
-  void ResetTranslationAcceptedCount(const std::string& language);
-
-  // Sets the language list of chrome://settings/languages.
-  void GetLanguageList(std::vector<std::string>* languages);
-
-  // Updates the language list of chrome://settings/languages.
-  void UpdateLanguageList(const std::vector<std::string>& languages);
-
-  static bool CanTranslateLanguage(
-      Profile* profile, const std::string& language);
-  static bool ShouldAutoTranslate(PrefService* user_prefs,
-      const std::string& original_language, std::string* target_language);
-  static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
-  static void MigrateUserPrefs(PrefService* user_prefs);
-
-  // Converts the language code for Translate. This removes the sub code (like
-  // -US) except for Chinese, and converts the synonyms.
-  // The same logic exists at language_options.js, and please keep consistency
-  // with the JavaScript file.
-  static std::string ConvertLangCodeForTranslation(const std::string &lang);
-
- private:
-  friend class TranslatePrefsTest;
-  FRIEND_TEST_ALL_PREFIXES(TranslatePrefsTest, CreateBlockedLanguages);
-  FRIEND_TEST_ALL_PREFIXES(TranslatePrefsTest,
-                           CreateBlockedLanguagesNonEnglishUI);
-
-  // Merges two language sets to migrate to the language setting UI.
-  static void CreateBlockedLanguages(
-      std::vector<std::string>* blocked_languages,
-      const std::vector<std::string>& blacklisted_languages,
-      const std::vector<std::string>& accept_languages);
-
-  void ClearBlockedLanguages();
-  void ClearBlacklistedSites();
-  void ClearWhitelistedLanguagePairs();
-  bool IsValueBlacklisted(const char* pref_id, const std::string& value) const;
-  void BlacklistValue(const char* pref_id, const std::string& value);
-  void RemoveValueFromBlacklist(const char* pref_id, const std::string& value);
-  bool IsValueInList(
-      const base::ListValue* list, const std::string& value) const;
-  bool IsLanguageWhitelisted(const std::string& original_language,
-      std::string* target_language) const;
-  bool IsListEmpty(const char* pref_id) const;
-  bool IsDictionaryEmpty(const char* pref_id) const;
-
-  // Retrieves the dictionary mapping the number of times translation has been
-  // denied for a language, creating it if necessary.
-  base::DictionaryValue* GetTranslationDeniedCountDictionary();
-
-  // Retrieves the dictionary mapping the number of times translation has been
-  // accepted for a language, creating it if necessary.
-  base::DictionaryValue* GetTranslationAcceptedCountDictionary() const;
-
-  PrefService* prefs_;  // Weak.
-
-  DISALLOW_COPY_AND_ASSIGN(TranslatePrefs);
-};
-
-#endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_PREFS_H_