| // Copyright 2015 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. |
| |
| #include "chrome/browser/prefs/chrome_pref_model_associator_client.h" |
| |
| #include <cstdint> |
| |
| #include "base/memory/singleton.h" |
| #include "chrome/common/pref_names.h" |
| #include "components/content_settings/core/browser/website_settings_info.h" |
| #include "components/content_settings/core/browser/website_settings_registry.h" |
| |
| // static |
| ChromePrefModelAssociatorClient* |
| ChromePrefModelAssociatorClient::GetInstance() { |
| return base::Singleton<ChromePrefModelAssociatorClient>::get(); |
| } |
| |
| ChromePrefModelAssociatorClient::ChromePrefModelAssociatorClient() {} |
| |
| ChromePrefModelAssociatorClient::~ChromePrefModelAssociatorClient() {} |
| |
| bool ChromePrefModelAssociatorClient::IsMergeableListPreference( |
| const std::string& pref_name) const { |
| return pref_name == prefs::kURLsToRestoreOnStartup; |
| } |
| |
| bool ChromePrefModelAssociatorClient::IsMergeableDictionaryPreference( |
| const std::string& pref_name) const { |
| const content_settings::WebsiteSettingsRegistry& registry = |
| *content_settings::WebsiteSettingsRegistry::GetInstance(); |
| for (const content_settings::WebsiteSettingsInfo* info : registry) { |
| if (info->pref_name() == pref_name) |
| return true; |
| } |
| return false; |
| } |
| |
| std::unique_ptr<base::Value> |
| ChromePrefModelAssociatorClient::MaybeMergePreferenceValues( |
| const std::string& pref_name, |
| const base::Value& local_value, |
| const base::Value& server_value) const { |
| if (pref_name == prefs::kNetworkEasterEggHighScore) { |
| uint32_t local_high_score; |
| if (!local_value.GetAsInteger(reinterpret_cast<int*>(&local_high_score))) |
| return nullptr; |
| uint32_t server_high_score; |
| if (!server_value.GetAsInteger(reinterpret_cast<int*>(&server_high_score))) |
| return nullptr; |
| return std::make_unique<base::Value>( |
| static_cast<int>(std::max(local_high_score, server_high_score))); |
| } |
| return nullptr; |
| } |