electron/brightray/browser/media/media_device_id_salt.cc

53 lines
1.5 KiB
C++

// Copyright 2013 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 "brightray/browser/media/media_device_id_salt.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
using content::BrowserThread;
namespace brightray {
namespace {
const char kMediaDeviceIdSalt[] = "brightray.media.device_id_salt";
} // namespace
MediaDeviceIDSalt::MediaDeviceIDSalt(PrefService* pref_service) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
media_device_id_salt_.Init(kMediaDeviceIdSalt, pref_service);
if (media_device_id_salt_.GetValue().empty()) {
media_device_id_salt_.SetValue(
content::BrowserContext::CreateRandomMediaDeviceIDSalt());
}
}
MediaDeviceIDSalt::~MediaDeviceIDSalt() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
media_device_id_salt_.Destroy();
}
std::string MediaDeviceIDSalt::GetSalt() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
return media_device_id_salt_.GetValue();
}
// static
void MediaDeviceIDSalt::RegisterPrefs(PrefRegistrySimple* registry) {
registry->RegisterStringPref(kMediaDeviceIdSalt, std::string());
}
// static
void MediaDeviceIDSalt::Reset(PrefService* pref_service) {
pref_service->SetString(
kMediaDeviceIdSalt,
content::BrowserContext::CreateRandomMediaDeviceIDSalt());
}
} // namespace brightray