Refactor user pods to use authType property for distinct authentication modes.

chrome/browser/chromeos/login/screen_locker.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_LOCKER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_LOCKER_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "base/time/time.h"
+#include "chrome/browser/chromeos/extensions/screenlock_private_api.h"

[xiyuan, 2014/02/16 18:38:14]

nit: Is this needed?

[Tim Song, 2014/02/18 23:32:44]

Done.

 #include "chrome/browser/chromeos/login/help_app_launcher.h"
+#include "chrome/browser/chromeos/login/login_display.h"
 #include "chrome/browser/chromeos/login/login_status_consumer.h"
 #include "chrome/browser/chromeos/login/screen_locker_delegate.h"
 #include "chrome/browser/chromeos/login/user.h"
 #include "ui/base/accelerators/accelerator.h"
 
 namespace content {
 class WebUI;
 }
 
 namespace gfx {
@@ skipping 55 matching lines @@
   void Signout();
 
   // Displays |message| in a banner on the lock screen.
   void ShowBannerMessage(const std::string& message);
 
   // Shows a button inside the user pod on the lock screen with an icon.
   void ShowUserPodButton(const std::string& username,
                          const gfx::Image& icon,
                          const base::Closure& click_callback);
 
+  // Hides the user pod button for a user.
+  void HideUserPodButton(const std::string& username);
+
+  // Set the authentication type to be used on the lock screen.
+  void SetAuthType(const std::string& username,
+                   LoginDisplay::AuthType auth_type,
+                   const std::string& initial_value);
+
+  // Returns the authentication type used for |username|.
+  LoginDisplay::AuthType GetAuthType(const std::string& username) const;
+
   // Disables all UI needed and shows error bubble with |message|.
   // If |sign_out_only| is true then all other input except "Sign Out"
   // button is blocked.
   void ShowErrorMessage(int error_msg_id,
                         HelpAppLauncher::HelpTopic help_topic_id,
                         bool sign_out_only);
 
   // Returns the screen locker's delegate.
   ScreenLockerDelegate* delegate() const { return delegate_.get(); }
 
@@ skipping 88 matching lines @@
   scoped_ptr<ScreenlockIconProvider> screenlock_icon_provider_;
 
   base::WeakPtrFactory<ScreenLocker> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenLocker);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_LOCKER_H_