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// 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 "googleurl/src/gurl.h"
class PrefService;
class Profile;
namespace base {
class DictionaryValue;
class ListValue;
}
namespace user_prefs {
class PrefRegistrySyncable;
}
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);
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;
void ClearWhitelistedLanguagePairs();
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 HasBlacklistedLanguages() const;
void ClearBlacklistedLanguages();
// Will return true if at least one site has been blacklisted.
bool HasBlacklistedSites() const;
void ClearBlacklistedSites();
// 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);
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 RegisterUserPrefs(user_prefs::PrefRegistrySyncable* registry);
static void MigrateUserPrefs(PrefService* user_prefs);
private:
friend class TranslatePrefsTest;
FRIEND_TEST_ALL_PREFIXES(TranslatePrefsTest, CreateBlockedLanguages);
// 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);
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.
};
#endif // CHROME_BROWSER_TRANSLATE_TRANSLATE_PREFS_H_
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