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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/spellchecker/spellcheck_language_policy_handler.h"
#include <utility>
#include <vector>
#include "base/strings/string_util.h"
#include "base/syslog_logging.h"
#include "base/values.h"
#include "build/build_config.h"
#include "chrome/browser/spellchecker/spellcheck_service.h"
#include "chrome/common/pref_names.h"
#include "components/policy/core/browser/policy_error_map.h"
#include "components/policy/policy_constants.h"
#include "components/prefs/pref_value_map.h"
#include "components/spellcheck/browser/pref_names.h"
#include "components/spellcheck/common/spellcheck_features.h"
#include "components/strings/grit/components_strings.h"
SpellcheckLanguagePolicyHandler::SpellcheckLanguagePolicyHandler()
: TypeCheckingPolicyHandler(policy::key::kSpellcheckLanguage,
base::Value::Type::LIST) {}
SpellcheckLanguagePolicyHandler::~SpellcheckLanguagePolicyHandler() = default;
bool SpellcheckLanguagePolicyHandler::CheckPolicySettings(
const policy::PolicyMap& policies,
policy::PolicyErrorMap* errors) {
const base::Value* value = nullptr;
bool ok = CheckAndGetValue(policies, errors, &value);
base::Value::List forced;
std::vector<std::string> unknown;
SortForcedLanguages(policies, &forced, &unknown);
#if !BUILDFLAG(IS_MAC)
for (const auto& language : unknown) {
errors->AddError(policy_name(), IDS_POLICY_SPELLCHECK_UNKNOWN_LANGUAGE,
language);
}
#endif
return ok;
}
void SpellcheckLanguagePolicyHandler::ApplyPolicySettings(
const policy::PolicyMap& policies,
PrefValueMap* prefs) {
// Ignore this policy if the SpellcheckEnabled policy disables spellcheck.
const base::Value* spellcheck_enabled_value = policies.GetValue(
policy::key::kSpellcheckEnabled, base::Value::Type::BOOLEAN);
if (spellcheck_enabled_value && !spellcheck_enabled_value->GetBool())
return;
// If this policy isn't set, don't modify spellcheck languages.
const base::Value* value =
policies.GetValue(policy_name(), base::Value::Type::LIST);
if (!value)
return;
// Set the forced dictionaries preference based on this policy's values,
// and emit warnings for unknown languages.
base::Value::List forced;
std::vector<std::string> unknown;
SortForcedLanguages(policies, &forced, &unknown);
for (const auto& language : unknown) {
SYSLOG(WARNING)
<< "SpellcheckLanguage policy: Unknown or unsupported language \""
<< language << "\"";
}
prefs->SetValue(spellcheck::prefs::kSpellCheckEnable, base::Value(true));
prefs->SetValue(spellcheck::prefs::kSpellCheckForcedDictionaries,
base::Value(std::move(forced)));
}
void SpellcheckLanguagePolicyHandler::SortForcedLanguages(
const policy::PolicyMap& policies,
base::Value::List* const forced,
std::vector<std::string>* const unknown) {
const base::Value* value =
policies.GetValue(policy_name(), base::Value::Type::LIST);
if (!value)
return;
// Separate the valid languages from the unknown / unsupported languages.
for (const base::Value& language : value->GetList()) {
std::string candidate_language(
base::TrimWhitespaceASCII(language.GetString(), base::TRIM_ALL));
std::string current_language =
SpellcheckService::GetSupportedAcceptLanguageCode(candidate_language);
if (current_language.empty()) {
unknown->emplace_back(language.GetString());
} else {
forced->Append(std::move(current_language));
}
}
}
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