[ChromeOS] WebUI OOBE/Login refactoring.

chrome/browser/ui/webui/chromeos/login/login_ui.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_LOGIN_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_LOGIN_UI_H_
 #pragma once
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/login/help_app_launcher.h"
-#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "chrome/browser/ui/webui/chrome_web_ui.h"
 
+class RefCountedMemory;
 class Profile;
 
 namespace chromeos {
 
-class HTMLOperationsInterface;
-
-// Boilerplate class that is used to associate the LoginUI code with the URL
-// "chrome://login"
-class LoginUIHTMLSource : public ChromeURLDataManager::DataSource {
- public:
-  explicit LoginUIHTMLSource(MessageLoop* message_loop);
-  virtual ~LoginUIHTMLSource();
-
-  virtual void StartDataRequest(const std::string& path,
-                                bool is_incognito,
-                                int request_id);
-  virtual std::string GetMimeType(const std::string&) const;
-
- private:
-  scoped_ptr<HTMLOperationsInterface> html_operations_;
-
-  DISALLOW_COPY_AND_ASSIGN(LoginUIHTMLSource);
-};
-
-// An interface between WebUILoginDisplay and LoginUIHandler.
-class BaseLoginUIHandler {
- public:
-  virtual void ClearAndEnablePassword() = 0;
-  virtual void ShowError(const std::string& error_text,
-                         const std::string& help_link_text,
-                         HelpAppLauncher::HelpTopic help_topic_id) = 0;
-};
-
-class LoginUIHandlerDelegate {
- public:
-  LoginUIHandlerDelegate()
-      : login_handler_(NULL) { }
-
-  // Sign in using |username| and |password| specified.
-  // Used for both known and new users.
-  virtual void Login(const std::string& username,
-                     const std::string& password) = 0;
-
-  // Sign in into Guest session.
-  virtual void LoginAsGuest() = 0;
-
-  // Let the delegate know about the handler it is supposed to be using.
-  virtual void set_login_handler(BaseLoginUIHandler* login_handler);
-
- protected:
-  // Reference to the WebUI handling layer for the login screen
-  BaseLoginUIHandler* login_handler_;
-
-  virtual ~LoginUIHandlerDelegate();
-};
-
-// Main LoginUI handling function. It handles the WebUI hooks that are supplied
-// for the login page to use for authentication.
-class LoginUIHandler : public WebUIMessageHandler,
-                       public BaseLoginUIHandler {
- public:
-  LoginUIHandler();
-  virtual ~LoginUIHandler();
-
-  // WebUIMessageHandler implementation.
-  virtual WebUIMessageHandler* Attach(WebUI* web_ui) OVERRIDE;
-  virtual void RegisterMessages() OVERRIDE;
-
- protected:
-  LoginUIHandlerDelegate* delegate_;
-
- private:
-  // BaseLoginUIHandler implementation.
-  virtual void ClearAndEnablePassword() OVERRIDE;
-  virtual void ShowError(const std::string& error_text,
-                         const std::string& help_link_text,
-                         HelpAppLauncher::HelpTopic help_topic_id) OVERRIDE;
-
-  // Callbacks from javascript.
-  void HandleGetUsers(const base::ListValue* args);
-  void HandleAuthenticateUser(const base::ListValue* args);
-  void HandleLaunchIncognito(const base::ListValue* args);
-  void HandleShutdownSystem(const base::ListValue* args);
-  void HandleRemoveUser(const base::ListValue* args);
-
-  DISALLOW_COPY_AND_ASSIGN(LoginUIHandler);
-};
-
 // Boilerplate class that is used to associate the LoginUI code with the WebUI
 // code.
 class LoginUI : public ChromeWebUI {
  public:
   explicit LoginUI(TabContents* contents);
 
   // Return the URL for a given search term.
   static const GURL GetLoginURLWithSearchText(const string16& text);
 
   static RefCountedMemory* GetFaviconResourceBytes();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LoginUI);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_LOGIN_UI_H_