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// Copyright (c) 2006-2008 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_VIEWS_LOGIN_VIEW_H__
#define CHROME_BROWSER_VIEWS_LOGIN_VIEW_H__
#include "base/task.h"
#include "views/view.h"
namespace views {
class Label;
class Textfield;
class LoginModel;
// Simple Model & Observer interfaces for a LoginView to facilitate exchanging
// information.
class LoginModelObserver {
public:
// Called by the model when a username,password pair has been identified
// as a match for the pending login prompt.
virtual void OnAutofillDataAvailable(const std::wstring& username,
const std::wstring& password) = 0;
};
class LoginModel {
public:
// Set the observer interested in the data from the model.
// observer can be null, signifying there is no longer any observer
// interested in the data.
virtual void SetObserver(LoginModelObserver* observer) = 0;
};
// This class is responsible for displaying the contents of a login window
// for HTTP/FTP authentication.
class LoginView : public View, public LoginModelObserver {
public:
explicit LoginView(const std::wstring& explanation);
virtual ~LoginView();
// Access the data in the username/password text fields.
std::wstring GetUsername();
std::wstring GetPassword();
// LoginModelObserver implementation.
virtual void OnAutofillDataAvailable(const std::wstring& username,
const std::wstring& password);
// Sets the model. This lets the observer notify the model
// when it has been closed / freed, so the model should no longer try and
// contact it. The view does not own the model, and it is the responsibility
// of the caller to inform this view if the model is deleted.
void SetModel(LoginModel* model);
protected:
// views::View overrides:
virtual void ViewHierarchyChanged(bool is_add, View *parent, View *child);
private:
void FocusFirstField();
// Non-owning refs to the input text fields.
Textfield* username_field_;
Textfield* password_field_;
// Button labels
Label* username_label_;
Label* password_label_;
// Authentication message.
Label* message_label_;
// If not null, points to a model we need to notify of our own destruction
// so it doesn't try and access this when its too late.
LoginModel* login_model_;
ScopedRunnableMethodFactory<LoginView> focus_grabber_factory_;
DISALLOW_EVIL_CONSTRUCTORS(LoginView);
};
} // namespace
#endif // CHROME_BROWSER_VIEWS_LOGIN_VIEW_H__
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