chrome/browser/ui/webui/chromeos/login/base_screen_handler.cc

// 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/ui/webui/chromeos/login/base_screen_handler.h"

#include "base/logging.h"
#include "base/values.h"
#include "chrome/browser/chromeos/login/login_display_host_impl.h"
#include "content/public/browser/web_ui.h"
#include "ui/base/l10n/l10n_util.h"

namespace chromeos {

LocalizedValuesBuilder::LocalizedValuesBuilder(base::DictionaryValue* dict)
    : dict_(dict) {
}

void LocalizedValuesBuilder::Add(const std::string& key,
                                 const std::string& message) {
  dict_->SetString(key, message);
}

void LocalizedValuesBuilder::Add(const std::string& key,
                                 const base::string16& message) {
  dict_->SetString(key, message);
}

void LocalizedValuesBuilder::Add(const std::string& key, int message_id) {
  dict_->SetString(key,
                   l10n_util::GetStringUTF16(message_id));
}

void LocalizedValuesBuilder::AddF(const std::string& key,
                                  int message_id,
                                  const base::string16& a) {
  dict_->SetString(key,
                   l10n_util::GetStringFUTF16(message_id, a));
}

void LocalizedValuesBuilder::AddF(const std::string& key,
                                  int message_id,
                                  const base::string16& a,
                                  const base::string16& b) {
  dict_->SetString(key,
                   l10n_util::GetStringFUTF16(message_id, a, b));
}

void LocalizedValuesBuilder::AddF(const std::string& key,
                                  int message_id,
                                  int message_id_a) {
    AddF(key, message_id, l10n_util::GetStringUTF16(message_id_a));
}

void LocalizedValuesBuilder::AddF(const std::string& key,
                                  int message_id,
                                  int message_id_a,
                                  int message_id_b) {
    AddF(key, message_id,
         l10n_util::GetStringUTF16(message_id_a),
         l10n_util::GetStringUTF16(message_id_b));
}

BaseScreenHandler::BaseScreenHandler()
    : page_is_ready_(false) {
}

BaseScreenHandler::BaseScreenHandler(const std::string& js_screen_path)
    : page_is_ready_(false),
      js_screen_path_prefix_(js_screen_path + ".") {
  CHECK(!js_screen_path.empty());
}

BaseScreenHandler::~BaseScreenHandler() {
}

void BaseScreenHandler::InitializeBase() {
  page_is_ready_ = true;
  Initialize();
}

void BaseScreenHandler::GetLocalizedStrings(base::DictionaryValue* dict) {
  scoped_ptr<LocalizedValuesBuilder> builder(new LocalizedValuesBuilder(dict));
  DeclareLocalizedValues(builder.get());
  GetAdditionalParameters(dict);
}

void BaseScreenHandler::GetAdditionalParameters(base::DictionaryValue* dict) {
}

void BaseScreenHandler::CallJS(const std::string& method) {
  web_ui()->CallJavascriptFunction(FullMethodPath(method));
}

void BaseScreenHandler::ShowScreen(const char* screen_name,
                                   const base::DictionaryValue* data) {
  if (!web_ui())
    return;
  DictionaryValue screen_params;
  screen_params.SetString("id", screen_name);
  if (data)
    screen_params.SetWithoutPathExpansion("data", data->DeepCopy());
  web_ui()->CallJavascriptFunction("cr.ui.Oobe.showScreen", screen_params);
}

gfx::NativeWindow BaseScreenHandler::GetNativeWindow() {
  return LoginDisplayHostImpl::default_host()->GetNativeWindow();
}

std::string BaseScreenHandler::FullMethodPath(const std::string& method) const {
  DCHECK(!method.empty());
  return js_screen_path_prefix_ + method;
}

}  // namespace chromeos