// Copyright (c) 2011 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/extensions/extension_input_method_api.h"

#include "base/values.h"
#include "chrome/browser/chromeos/input_method/input_method_manager.h"
#include "chrome/browser/chromeos/extensions/input_method_event_router.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/profiles/profile.h"

namespace {

const char kErrorInputMethodPrivateApi[] = "Input method API is private";

}  // namespace

GetInputMethodFunction::GetInputMethodFunction() {
}

GetInputMethodFunction::~GetInputMethodFunction() {
}

bool GetInputMethodFunction::RunImpl() {
#if !defined(OS_CHROMEOS)
  error_ = kErrorInputMethodPrivateApi;
  return false;
#else
  chromeos::ExtensionInputMethodEventRouter* router =
      profile_->GetExtensionService()->input_method_event_router();
  if (!router->IsExtensionWhitelisted(extension_id())) {
    error_ = kErrorInputMethodPrivateApi;
    return false;
  }
  chromeos::input_method::InputMethodManager* manager =
      chromeos::input_method::InputMethodManager::GetInstance();
  const std::string input_method =
      router->GetInputMethodForXkb(manager->current_input_method().id());
  result_.reset(Value::CreateStringValue(input_method));
  return true;
#endif
}