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// Copyright 2020 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/device_name/device_name_store.h"
#include "ash/constants/ash_features.h"
#include "chrome/browser/ash/device_name/device_name_store_impl.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/browser_thread.h"
namespace ash {
namespace {
// This will point to the singleton instance upon initialization.
DeviceNameStore* g_instance = nullptr;
} // namespace
// static
DeviceNameStore* DeviceNameStore::GetInstance() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
CHECK(g_instance);
return g_instance;
}
// static
void DeviceNameStore::RegisterLocalStatePrefs(PrefRegistrySimple* registry) {
DCHECK(registry);
registry->RegisterStringPref(prefs::kDeviceName, "");
}
// static
void DeviceNameStore::Initialize(PrefService* prefs,
policy::DeviceNamePolicyHandler* handler) {
CHECK(base::FeatureList::IsEnabled(features::kEnableHostnameSetting));
CHECK(!g_instance);
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
g_instance = new DeviceNameStoreImpl(prefs, handler);
}
// static
void DeviceNameStore::Shutdown() {
if (g_instance) {
delete g_instance;
g_instance = nullptr;
}
}
DeviceNameStore::DeviceNameStore() = default;
DeviceNameStore::~DeviceNameStore() = default;
void DeviceNameStore::AddObserver(Observer* observer) {
observer_list_.AddObserver(observer);
}
void DeviceNameStore::RemoveObserver(Observer* observer) {
observer_list_.RemoveObserver(observer);
}
void DeviceNameStore::NotifyDeviceNameMetadataChanged() {
for (auto& observer : observer_list_) {
observer.OnDeviceNameMetadataChanged();
}
}
} // namespace ash
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