Files
cef/libcef/browser/global_preference_manager_impl.cc
2025-03-12 13:05:48 -04:00

143 lines
4.7 KiB
C++

// Copyright (c) 2022 The Chromium Embedded Framework 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 "cef/libcef/browser/global_preference_manager_impl.h"
#include "base/metrics/field_trial_list_including_low_anonymity.h"
#include "base/strings/string_util.h"
#include "cef/libcef/browser/context.h"
#include "cef/libcef/browser/prefs/pref_helper.h"
#include "cef/libcef/browser/thread_util.h"
#include "cef/libcef/common/api_version_util.h"
#include "chrome/browser/about_flags.h"
#include "chrome/browser/browser_process.h"
#include "components/variations/synthetic_trials_active_group_id_provider.h"
#include "components/webui/flags/pref_service_flags_storage.h"
namespace {
std::string GetActiveGroupNameAsString(
const base::FieldTrial::ActiveGroup& group) {
constexpr std::string_view kNonBreakingHyphenUTF8 = "\xE2\x80\x91";
std::string result = group.trial_name + ":" + group.group_name;
base::ReplaceChars(result, "-", kNonBreakingHyphenUTF8, &result);
return result;
}
} // namespace
bool CefGlobalPreferenceManagerImpl::HasPreference(const CefString& name) {
CEF_REQUIRE_UIT_RETURN(false);
return pref_helper::HasPreference(g_browser_process->local_state(), name);
}
CefRefPtr<CefValue> CefGlobalPreferenceManagerImpl::GetPreference(
const CefString& name) {
CEF_REQUIRE_UIT_RETURN(nullptr);
return pref_helper::GetPreference(g_browser_process->local_state(), name);
}
CefRefPtr<CefDictionaryValue> CefGlobalPreferenceManagerImpl::GetAllPreferences(
bool include_defaults) {
CEF_REQUIRE_UIT_RETURN(nullptr);
return pref_helper::GetAllPreferences(g_browser_process->local_state(),
include_defaults);
}
bool CefGlobalPreferenceManagerImpl::CanSetPreference(const CefString& name) {
CEF_REQUIRE_UIT_RETURN(false);
return pref_helper::CanSetPreference(g_browser_process->local_state(), name);
}
bool CefGlobalPreferenceManagerImpl::SetPreference(const CefString& name,
CefRefPtr<CefValue> value,
CefString& error) {
CEF_REQUIRE_UIT_RETURN(false);
return pref_helper::SetPreference(g_browser_process->local_state(), name,
value, error);
}
CefRefPtr<CefRegistration>
CefGlobalPreferenceManagerImpl::AddPreferenceObserver(
const CefString& name,
CefRefPtr<CefPreferenceObserver> observer) {
CEF_API_REQUIRE_ADDED(13401);
CEF_REQUIRE_UIT_RETURN(nullptr);
return CefContext::Get()->GetPrefRegistrar()->AddObserver(name, observer);
}
// static
void CefPreferenceManager::GetChromeVariationsAsSwitches(
std::vector<CefString>& switches) {
CEF_API_REQUIRE_ADDED(13401);
// Verify that the context is in a valid state.
if (!CONTEXT_STATE_VALID()) {
DCHECK(false) << "context not valid";
return;
}
switches.clear();
// Based on ChromeFeatureListCreator::ConvertFlagsToSwitches().
flags_ui::PrefServiceFlagsStorage flags_storage(
g_browser_process->local_state());
base::CommandLine command_line(base::CommandLine::NO_PROGRAM);
about_flags::ConvertFlagsToSwitches(&flags_storage, &command_line,
flags_ui::kNoSentinels);
for (const auto& arg : command_line.argv()) {
if (!arg.empty()) {
switches.push_back(arg);
}
}
}
// static
void CefPreferenceManager::GetChromeVariationsAsStrings(
std::vector<CefString>& strings) {
CEF_API_REQUIRE_ADDED(13401);
// Verify that the context is in a valid state.
if (!CONTEXT_STATE_VALID()) {
DCHECK(false) << "context not valid";
return;
}
strings.clear();
// Based on components/webui/version/version_handler_helper.cc
// GetVariationsList().
base::FieldTrial::ActiveGroups active_groups;
// Include low anonymity trial groups in the version string, as it is only
// displayed locally (and is useful for diagnostics purposes).
base::FieldTrialListIncludingLowAnonymity::
GetActiveFieldTrialGroupsForTesting(&active_groups);
for (const auto& group : active_groups) {
strings.push_back(GetActiveGroupNameAsString(group));
}
// Synthetic field trials.
for (const auto& group :
variations::SyntheticTrialsActiveGroupIdProvider::GetInstance()
->GetGroups()) {
strings.push_back(GetActiveGroupNameAsString(group.active_group()));
}
}
// static
CefRefPtr<CefPreferenceManager>
CefPreferenceManager::GetGlobalPreferenceManager() {
// Verify that the context is in a valid state.
if (!CONTEXT_STATE_VALID()) {
DCHECK(false) << "context not valid";
return nullptr;
}
return new CefGlobalPreferenceManagerImpl();
}