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      1 // Copyright (c) 2009 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_LOGIN_LOGIN_MODEL_H_
      6 #define CHROME_BROWSER_UI_LOGIN_LOGIN_MODEL_H_
      7 #pragma once
      8 
      9 #include <string>
     10 
     11 // Simple Model & Observer interfaces for a LoginView to facilitate exchanging
     12 // information.
     13 class LoginModelObserver {
     14  public:
     15   // Called by the model when a username,password pair has been identified
     16   // as a match for the pending login prompt.
     17   virtual void OnAutofillDataAvailable(const std::wstring& username,
     18                                        const std::wstring& password) = 0;
     19 
     20  protected:
     21   virtual ~LoginModelObserver() {}
     22 };
     23 
     24 class LoginModel {
     25  public:
     26   // Set the observer interested in the data from the model.
     27   // observer can be null, signifying there is no longer any observer
     28   // interested in the data.
     29   virtual void SetObserver(LoginModelObserver* observer) = 0;
     30 
     31  protected:
     32   virtual ~LoginModel() {}
     33 };
     34 
     35 #endif  // CHROME_BROWSER_UI_LOGIN_LOGIN_MODEL_H_
     36