chrome/browser/chromeos/login/screen_manager.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chromeos/login/screen_manager.h"
   6
   7 namespace chromeos {
   8
   9 ScreenManager::ScreenManager() {
  10 }
  11
  12 ScreenManager::~ScreenManager() {
  13 }
  14
  15 BaseScreen* ScreenManager::GetScreen(const std::string& screen_name) {
  16   ScreenMap::const_iterator iter = screens_.find(screen_name);
  17   if (iter != screens_.end()) {
  18     return iter->second.get();
  19   }
  20   BaseScreen* result = CreateScreen(screen_name);
  21   DCHECK(result) << "Can not create screen named " << screen_name;
  22   screens_[screen_name] = make_linked_ptr(result);
  23   return result;
  24 }
  25
  26 bool ScreenManager::HasScreen(const std::string& screen_name) {
  27   return screens_.count(screen_name) > 0;
  28 }
  29
  30 }  // namespace chromeos