// 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 "chrome/browser/chromeos/input_method/input_method_delegate_impl.h"

#include "base/logging.h"
#include "base/threading/sequenced_worker_pool.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/browser_thread.h"

namespace chromeos {
namespace input_method {

InputMethodDelegateImpl::InputMethodDelegateImpl() {}

std::string InputMethodDelegateImpl::GetHardwareKeyboardLayout() const {
  if (g_browser_process) {
    PrefServiceBase* local_state = g_browser_process->local_state();
    if (local_state)
      return local_state->GetString(prefs::kHardwareKeyboardLayout);
  }
  // This shouldn't happen but just in case.
  DVLOG(1) << "Local state is not yet ready.";
  return std::string();
}

std::string InputMethodDelegateImpl::GetActiveLocale() const {
  if (g_browser_process)
    return g_browser_process->GetApplicationLocale();

  NOTREACHED();
  return std::string();
}

scoped_refptr<base::SequencedTaskRunner>
InputMethodDelegateImpl::GetDefaultTaskRunner() const {
  return content::BrowserThread::GetMessageLoopProxyForThread(
      content::BrowserThread::UI);
}

scoped_refptr<base::SequencedTaskRunner>
InputMethodDelegateImpl::GetWorkerTaskRunner() const {
  scoped_refptr<base::SequencedWorkerPool> worker_pool(
      content::BrowserThread::GetBlockingPool());

  return worker_pool->GetSequencedTaskRunner(worker_pool->GetSequenceToken());
}

}  // namespace input_method
}  // namespace chromeos