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// 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_UI_WEBUI_SIGNIN_LOGIN_UI_SERVICE_H_
#define CHROME_BROWSER_UI_WEBUI_SIGNIN_LOGIN_UI_SERVICE_H_
#include <list>
#include <memory>
#include "base/macros.h"
#include "base/observer_list.h"
#include "base/strings/string16.h"
#include "components/keyed_service/core/keyed_service.h"
class Browser;
class Profile;
class ConsentBumpActivator;
// The LoginUIService helps track per-profile information for the login related
// UIs - for example, whether there is login UI currently on-screen.
class LoginUIService : public KeyedService {
public:
// Various UI components implement this API to allow LoginUIService to
// manipulate their associated login UI.
class LoginUI {
public:
// Invoked when the login UI should be brought to the foreground.
virtual void FocusUI() = 0;
protected:
virtual ~LoginUI() {}
};
// Used when the sync confirmation UI is closed to signify which option was
// selected by the user.
enum SyncConfirmationUIClosedResult {
// Start sync immediately.
SYNC_WITH_DEFAULT_SETTINGS,
// Show the user the sync settings before starting sync.
CONFIGURE_SYNC_FIRST,
// The signing process was aborted, don't start sync or show settings.
ABORT_SIGNIN,
};
// Interface for obervers of LoginUIService.
class Observer {
public:
// Called when the sync confirmation UI is closed. |result| indicates the
// option chosen by the user in the confirmation UI.
virtual void OnSyncConfirmationUIClosed(
SyncConfirmationUIClosedResult result) {}
protected:
virtual ~Observer() {}
};
explicit LoginUIService(Profile* profile);
~LoginUIService() override;
// |observer| The observer to add or remove; cannot be NULL.
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
// Gets the currently active login UI, or null if no login UI is active.
LoginUI* current_login_ui() const;
// Sets the currently active login UI. Callers must call LoginUIClosed when
// |ui| is no longer valid.
void SetLoginUI(LoginUI* ui);
// Called when login UI is closed.
void LoginUIClosed(LoginUI* ui);
// Called when the sync confirmation UI is closed. |result| indicates the
// option chosen by the user in the confirmation UI.
void SyncConfirmationUIClosed(SyncConfirmationUIClosedResult result);
// Delegate to an existing login dialog if one exists.
// If not, we make a new popup dialog window, and set it to
// chrome://signin to ask the user to sign in to chrome.
void ShowLoginPopup();
// Displays login results. This is either the Modal Signin Error dialog if
// |error_message| is a non-empty string, or the User Menu with a blue header
// toast otherwise.
virtual void DisplayLoginResult(Browser* browser,
const base::string16& error_message,
const base::string16& email);
// Set the profile blocking modal error dialog message.
virtual void SetProfileBlockingErrorMessage();
// Gets whether the Modal Signin Error dialog should display profile blocking
// error message.
bool IsDisplayingProfileBlockedErrorMessage() const;
// Gets the last login result set through |DisplayLoginResult|.
const base::string16& GetLastLoginResult() const;
// Gets the last email used for signing in when a signin error occured; set
// through |DisplayLoginResult|.
const base::string16& GetLastLoginErrorEmail() const;
private:
// Weak pointers to the recently opened UIs, with the most recent in front.
std::list<LoginUI*> ui_list_;
#if !defined(OS_CHROMEOS)
Profile* profile_;
std::unique_ptr<ConsentBumpActivator> consent_bump_activator_;
#endif
// List of observers.
base::ObserverList<Observer>::Unchecked observer_list_;
base::string16 last_login_result_;
base::string16 last_login_error_email_;
bool is_displaying_profile_blocking_error_message_ = false;
DISALLOW_COPY_AND_ASSIGN(LoginUIService);
};
#endif // CHROME_BROWSER_UI_WEBUI_SIGNIN_LOGIN_UI_SERVICE_H_
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