1 // Copyright (c) 2011 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_CHROMEOS_LOGIN_LOGIN_DISPLAY_H_ 6 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_H_ 7 #pragma once 8 9 #include <string> 10 #include <vector> 11 12 #include "base/string16.h" 13 #include "chrome/browser/chromeos/login/help_app_launcher.h" 14 #include "chrome/browser/chromeos/login/user_manager.h" 15 #include "ui/gfx/native_widget_types.h" 16 #include "ui/gfx/rect.h" 17 18 namespace chromeos { 19 20 // Delegate to be used while user removing. 21 class RemoveUserDelegate { 22 public: 23 // Called right before actual user removal process is initiated. 24 virtual void OnBeforeUserRemoved(const std::string& username) = 0; 25 26 // Called right after user removal process has been initiated. 27 virtual void OnUserRemoved(const std::string& username) = 0; 28 }; 29 30 // TODO(nkostylev): Extract interface, create a BaseLoginDisplay class. 31 // An abstract class that defines login UI implementation. 32 class LoginDisplay : public RemoveUserDelegate { 33 public: 34 class Delegate { 35 public: 36 // Create new Google account. 37 virtual void CreateAccount() = 0; 38 39 // Returns name of the currently connected network. 40 virtual string16 GetConnectedNetworkName() = 0; 41 42 // Users decides to sign in into captive portal. 43 virtual void FixCaptivePortal() = 0; 44 45 // Sign in using |username| and |password| specified. 46 // Used for both known and new users. 47 virtual void Login(const std::string& username, 48 const std::string& password) = 0; 49 50 // Sign in into Guest session. 51 virtual void LoginAsGuest() = 0; 52 53 // Called when existing user pod is selected in the UI. 54 virtual void OnUserSelected(const std::string& username) = 0; 55 56 // Called when the user requests enterprise enrollment. 57 virtual void OnStartEnterpriseEnrollment() = 0; 58 59 protected: 60 virtual ~Delegate(); 61 }; 62 63 // |background_bounds| determines the bounds of login UI background. 64 LoginDisplay(Delegate* delegate, const gfx::Rect& background_bounds); 65 virtual ~LoginDisplay(); 66 67 // Call for destroying a pointer of type LoginDisplay, since some subclasses 68 // are Singletons 69 virtual void Destroy(); 70 71 // Initializes login UI with the user pods based on list of known users and 72 // guest, new user pods if those are enabled. 73 virtual void Init(const std::vector<UserManager::User>& users, 74 bool show_guest, 75 bool show_new_user) = 0; 76 77 78 // Called when user image has been changed. 79 // |user| contains updated user. 80 virtual void OnUserImageChanged(UserManager::User* user) = 0; 81 82 // After this call login display should be ready to be smoothly destroyed 83 // (e.g. hide throbber, etc.). 84 virtual void OnFadeOut() = 0; 85 86 // Changes enabled state of the UI. 87 virtual void SetUIEnabled(bool is_enabled) = 0; 88 89 // Displays error with |error_msg_id| specified. 90 // |login_attempts| shows number of login attempts made by current user. 91 // |help_topic_id| is additional help topic that is presented as link. 92 virtual void ShowError(int error_msg_id, 93 int login_attempts, 94 HelpAppLauncher::HelpTopic help_topic_id) = 0; 95 background_bounds()96 gfx::Rect background_bounds() const { return background_bounds_; } set_background_bounds(const gfx::Rect background_bounds)97 void set_background_bounds(const gfx::Rect background_bounds){ 98 background_bounds_ = background_bounds; 99 } 100 delegate()101 Delegate* delegate() { return delegate_; } set_delegate(Delegate * delegate)102 void set_delegate(Delegate* delegate) { delegate_ = delegate; } 103 parent_window()104 gfx::NativeWindow parent_window() const { return parent_window_; } set_parent_window(gfx::NativeWindow window)105 void set_parent_window(gfx::NativeWindow window) { parent_window_ = window; } 106 width()107 int width() const { return background_bounds_.width(); } 108 109 protected: 110 // Login UI delegate (controller). 111 Delegate* delegate_; 112 113 // Parent window, might be used to create dialog windows. 114 gfx::NativeWindow parent_window_; 115 116 // Bounds of the login UI background. 117 gfx::Rect background_bounds_; 118 119 DISALLOW_COPY_AND_ASSIGN(LoginDisplay); 120 }; 121 122 } // namespace chromeos 123 124 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_H_ 125