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// Copyright 2018 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/chrome_resource_bundle_helper.h"
#include "base/command_line.h"
#include "base/files/file_util.h"
#include "base/path_service.h"
#include "base/strings/utf_string_conversions.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "chrome/browser/metrics/chrome_feature_list_creator.h"
#include "chrome/browser/prefs/chrome_command_line_pref_store.h"
#include "chrome/browser/prefs/chrome_pref_service_factory.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/installer/util/google_update_settings.h"
#include "components/language/core/browser/pref_names.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "extensions/buildflags/buildflags.h"
#include "ui/base/resource/resource_bundle.h"
#if BUILDFLAG(IS_ANDROID)
#include "ui/base/resource/resource_bundle_android.h"
#endif
#if BUILDFLAG(IS_CHROMEOS)
#include "ash/constants/ash_switches.h"
#include "chrome/common/pref_names.h"
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
#include "extensions/common/extension_l10n_util.h"
#endif
namespace {
extern void InitializeLocalState(
ChromeFeatureListCreator* chrome_feature_list_creator) {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::InitializeLocalState");
#if BUILDFLAG(IS_CHROMEOS)
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(ash::switches::kLoginManager)) {
PrefService* local_state = chrome_feature_list_creator->local_state();
DCHECK(local_state);
std::string owner_locale = local_state->GetString(prefs::kOwnerLocale);
// Ensure that we start with owner's locale.
if (!owner_locale.empty() &&
local_state->GetString(language::prefs::kApplicationLocale) !=
owner_locale &&
!local_state->IsManagedPreference(
language::prefs::kApplicationLocale)) {
local_state->SetString(language::prefs::kApplicationLocale, owner_locale);
}
}
#endif // BUILDFLAG(IS_CHROMEOS)
}
// Initializes the shared instance of ResourceBundle and returns the application
// locale. An empty |actual_locale| value indicates failure.
std::string InitResourceBundleAndDetermineLocale(PrefService* local_state,
bool is_running_tests) {
#if BUILDFLAG(IS_ANDROID)
// In order for DetectAndSetLoadSecondaryLocalePaks() to work ResourceBundle
// must not have been created yet.
DCHECK(!ui::ResourceBundle::HasSharedInstance());
ui::DetectAndSetLoadSecondaryLocalePaks();
#endif
std::string preferred_locale;
#if BUILDFLAG(IS_MAC)
// TODO(markusheintz): Read preference pref::kApplicationLocale in order
// to enforce the application locale.
// Tests always get en-US.
preferred_locale = is_running_tests ? "en-US" : std::string();
#else
preferred_locale =
local_state->GetString(language::prefs::kApplicationLocale);
#endif
TRACE_EVENT0("startup",
"ChromeBrowserMainParts::InitResourceBundleAndDetermineLocale");
// On a POSIX OS other than ChromeOS, the parameter that is passed to the
// method InitSharedInstance is ignored.
std::string actual_locale = ui::ResourceBundle::InitSharedInstanceWithLocale(
preferred_locale, nullptr, ui::ResourceBundle::LOAD_COMMON_RESOURCES);
CHECK(!actual_locale.empty())
<< "Locale could not be found for " << preferred_locale;
// First run prefs needs data from the ResourceBundle, so load it now.
{
TRACE_EVENT0("startup",
"ChromeBrowserMainParts::InitResourceBundleAndDetermineLocale:"
":AddDataPack");
base::FilePath resources_pack_path;
base::PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
#if BUILDFLAG(IS_ANDROID)
ui::LoadMainAndroidPackFile("assets/resources.pak", resources_pack_path);
// Avoid loading DFM native resources here, to keep startup lean. These
// resources are loaded on-use, when an already-installed DFM loads.
#else
ui::ResourceBundle::GetSharedInstance().AddDataPackFromPath(
resources_pack_path, ui::kScaleFactorNone);
#endif // BUILDFLAG(IS_ANDROID)
}
#if BUILDFLAG(ENABLE_EXTENSIONS)
extension_l10n_util::SetProcessLocale(actual_locale);
extension_l10n_util::SetPreferredLocale(preferred_locale);
#endif
return actual_locale;
}
} // namespace
std::string LoadLocalState(
ChromeFeatureListCreator* chrome_feature_list_creator,
bool is_running_tests) {
base::FilePath user_data_dir;
if (!base::PathService::Get(chrome::DIR_USER_DATA, &user_data_dir))
return std::string();
InitializeLocalState(chrome_feature_list_creator);
chrome_feature_list_creator->local_state()->UpdateCommandLinePrefStore(
new ChromeCommandLinePrefStore(base::CommandLine::ForCurrentProcess()));
return InitResourceBundleAndDetermineLocale(
chrome_feature_list_creator->local_state(), is_running_tests);
}
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