1 // Copyright (c) 2012 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.
5 #ifndef CHROME_BROWSER_UI_WEBUI_SIGNIN_LOGIN_UI_SERVICE_H_
6 #define CHROME_BROWSER_UI_WEBUI_SIGNIN_LOGIN_UI_SERVICE_H_
8 #include "base/basictypes.h"
9 #include "base/observer_list.h"
10 #include "base/strings/string16.h"
11 #include "components/keyed_service/core/keyed_service.h"
16 // The LoginUIService helps track per-profile information for the login related
17 // UIs - for example, whether there is login UI currently on-screen.
18 class LoginUIService : public KeyedService {
20 // Various UI components implement this API to allow LoginUIService to
21 // manipulate their associated login UI.
24 // Invoked when the login UI should be brought to the foreground.
25 virtual void FocusUI() = 0;
27 // Invoked when the login UI should be closed. This can be invoked if the
28 // user takes an action that should display new login UI.
29 virtual void CloseUI() = 0;
34 // Interface for obervers of LoginUIService.
37 // Called when a new login UI is shown.
38 // |ui| The login UI that was just shown. Will never be null.
39 virtual void OnLoginUIShown(LoginUI* ui) {}
41 // Called when a login UI is closed.
42 // |ui| The login UI that was just closed; will never be null.
43 virtual void OnLoginUIClosed(LoginUI* ui) {}
45 // Called when the sync confirmation UI is closed. |configure_sync_first|
46 // is true if the user has requested to configure the sync settings before
48 virtual void OnSyncConfirmationUIClosed(bool configure_sync_first) {}
51 virtual ~Observer() {}
54 explicit LoginUIService(Profile* profile);
55 virtual ~LoginUIService();
57 // Gets the currently active login UI, or null if no login UI is active.
58 LoginUI* current_login_ui() const {
62 // |observer| The observer to add or remove; cannot be NULL.
63 void AddObserver(Observer* observer);
64 void RemoveObserver(Observer* observer);
66 // Sets the currently active login UI. It is illegal to call this if there is
67 // already login UI visible.
68 void SetLoginUI(LoginUI* ui);
70 // Called when login UI is closed. If the passed UI is the current login UI,
71 // sets current_login_ui() to null.
72 void LoginUIClosed(LoginUI* ui);
74 // Called when the sync settings confirmation UI is closed.
75 void SyncConfirmationUIClosed(bool configure_sync_first);
77 // Delegate to an existing login dialog if one exists.
78 // If not, we make a new popup dialog window, and set it to
79 // chrome://signin to ask the user to sign in to chrome.
80 void ShowLoginPopup();
82 // Displays login results.
83 void DisplayLoginResult(Browser* browser, const base::string16& message);
85 // Gets the last login result set through |DisplayLoginResult|.
86 const base::string16& GetLastLoginResult();
89 // Weak pointer to the currently active login UI, or null if none.
94 ObserverList<Observer> observer_list_;
96 base::string16 last_login_result_;
98 DISALLOW_COPY_AND_ASSIGN(LoginUIService);
101 #endif // CHROME_BROWSER_UI_WEBUI_SIGNIN_LOGIN_UI_SERVICE_H_