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      1 // Copyright 2013 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 #ifndef CHROME_BROWSER_UI_WEBUI_SIGNIN_USER_MANAGER_SCREEN_HANDLER_H_
      6 #define CHROME_BROWSER_UI_WEBUI_SIGNIN_USER_MANAGER_SCREEN_HANDLER_H_
      7 
      8 #include "base/compiler_specific.h"
      9 #include "base/memory/scoped_ptr.h"
     10 #include "content/public/browser/web_ui_message_handler.h"
     11 
     12 namespace base {
     13 class DictionaryValue;
     14 class FilePath;
     15 class ListValue;
     16 }
     17 
     18 class UserManagerScreenHandler : public content::WebUIMessageHandler {
     19  public:
     20   UserManagerScreenHandler();
     21   virtual ~UserManagerScreenHandler();
     22 
     23   // WebUIMessageHandler implementation.
     24   virtual void RegisterMessages() OVERRIDE;
     25 
     26   void GetLocalizedValues(base::DictionaryValue* localized_strings);
     27 
     28  private:
     29   // An observer for any changes to Profiles in the ProfileInfoCache so that
     30   // all the visible user manager screens can be updated.
     31   class ProfileUpdateObserver;
     32 
     33   void HandleInitialize(const base::ListValue* args);
     34   void HandleAddUser(const base::ListValue* args);
     35   void HandleLaunchGuest(const base::ListValue* args);
     36   void HandleLaunchUser(const base::ListValue* args);
     37   void HandleRemoveUser(const base::ListValue* args);
     38 
     39   // Sends user list to account chooser.
     40   void SendUserList();
     41 
     42   // Observes the ProfileInfoCache and gets notified when a profile has been
     43   // modified, so that the displayed user pods can be updated.
     44   scoped_ptr<ProfileUpdateObserver> profileInfoCacheObserver_;
     45 
     46   DISALLOW_COPY_AND_ASSIGN(UserManagerScreenHandler);
     47 };
     48 
     49 #endif  // CHROME_BROWSER_UI_WEBUI_SIGNIN_USER_MANAGER_SCREEN_HANDLER_H_
     50