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// Copyright (c) 2012 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 "base/basictypes.h"
#include "base/bind.h"
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/prefs/pref_service.h"
#include "base/strings/string_util.h"
#include "base/task_runner_util.h"
#include "base/threading/worker_pool.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/browser_thread.h"
namespace google_util {
namespace chromeos {
namespace {
// Path to file that stores the RLZ brand code on ChromeOS.
const base::FilePath::CharType kRLZBrandFilePath[] =
FILE_PATH_LITERAL("/opt/oem/etc/BRAND_CODE");
// Reads the brand code from file |kRLZBrandFilePath|.
std::string ReadBrandFromFile() {
std::string brand;
base::FilePath brand_file_path(kRLZBrandFilePath);
if (!file_util::ReadFileToString(brand_file_path, &brand))
LOG(WARNING) << "Brand code file missing: " << brand_file_path.value();
TrimWhitespace(brand, TRIM_ALL, &brand);
return brand;
}
// Sets the brand code to |brand|.
void SetBrand(const base::Closure& callback, const std::string& brand) {
g_browser_process->local_state()->SetString(prefs::kRLZBrand, brand);
callback.Run();
}
// True if brand code has been cleared for the current session.
bool g_brand_empty = false;
} // namespace
void ClearBrandForCurrentSession() {
DCHECK(!content::BrowserThread::IsThreadInitialized(
content::BrowserThread::UI) ||
content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
g_brand_empty = true;
}
std::string GetBrand() {
DCHECK(!content::BrowserThread::IsThreadInitialized(
content::BrowserThread::UI) ||
content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
if (g_brand_empty)
return std::string();
DCHECK(g_browser_process->local_state());
return g_browser_process->local_state()->GetString(prefs::kRLZBrand);
}
void SetBrandFromFile(const base::Closure& callback) {
base::PostTaskAndReplyWithResult(
base::WorkerPool::GetTaskRunner(false /* task_is_slow */).get(),
FROM_HERE,
base::Bind(&ReadBrandFromFile),
base::Bind(&SetBrand, callback));
}
} // namespace chromeos
} // namespace google_util
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