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// Copyright 2024 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/ash/net/ash_dns_over_https_config_source.h"
#include <string>
#include "base/functional/callback_forward.h"
#include "chrome/browser/net/secure_dns_config.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_service.h"
namespace ash {
AshDnsOverHttpsConfigSource::AshDnsOverHttpsConfigSource(
SecureDnsManager* secure_dns_manager,
PrefService* local_state)
: dns_over_https_mode_(SecureDnsConfig::kModeOff),
local_state_(local_state),
secure_dns_manager_(secure_dns_manager) {
secure_dns_manager_->AddObserver(this);
}
AshDnsOverHttpsConfigSource::~AshDnsOverHttpsConfigSource() {
if (secure_dns_manager_) {
secure_dns_manager_->RemoveObserver(this);
}
}
std::string AshDnsOverHttpsConfigSource::GetDnsOverHttpsMode() const {
return secure_dns_manager_ ? dns_over_https_mode_ : std::string();
}
std::string AshDnsOverHttpsConfigSource::GetDnsOverHttpsTemplates() const {
return secure_dns_manager_ ? dns_over_https_templates_ : std::string();
}
bool AshDnsOverHttpsConfigSource::IsConfigManaged() const {
return local_state_->FindPreference(prefs::kDnsOverHttpsMode)->IsManaged();
}
void AshDnsOverHttpsConfigSource::SetDohChangeCallback(
base::RepeatingClosure callback) {
CHECK(!on_change_callback_)
<< "This instance of AshDnsOverHttpsConfigSource already has an observer";
on_change_callback_ = callback;
}
void AshDnsOverHttpsConfigSource::OnTemplateUrisChanged(
const std::string& template_uris) {
dns_over_https_templates_ = template_uris;
if (on_change_callback_) {
on_change_callback_.Run();
}
}
void AshDnsOverHttpsConfigSource::OnModeChanged(const std::string& mode) {
dns_over_https_mode_ = mode;
if (on_change_callback_) {
on_change_callback_.Run();
}
}
void AshDnsOverHttpsConfigSource::OnSecureDnsManagerShutdown() {
secure_dns_manager_->RemoveObserver(this);
secure_dns_manager_ = nullptr;
}
} // namespace ash
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