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. 4 5 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_CORE_OOBE_HANDLER_H_ 6 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_CORE_OOBE_HANDLER_H_ 7 8 #include <string> 9 10 #include "chrome/browser/chromeos/login/screens/core_oobe_actor.h" 11 #include "chrome/browser/chromeos/login/version_info_updater.h" 12 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h" 13 #include "content/public/browser/notification_observer.h" 14 #include "content/public/browser/notification_registrar.h" 15 16 namespace base { 17 class ListValue; 18 } 19 20 namespace chromeos { 21 22 class OobeUI; 23 24 // The core handler for Javascript messages related to the "oobe" view. 25 class CoreOobeHandler : public BaseScreenHandler, 26 public VersionInfoUpdater::Delegate, 27 public content::NotificationObserver, 28 public CoreOobeActor { 29 public: 30 class Delegate { 31 public: 32 // Called when current screen is changed. 33 virtual void OnCurrentScreenChanged(const std::string& screen) = 0; 34 }; 35 36 explicit CoreOobeHandler(OobeUI* oobe_ui); 37 virtual ~CoreOobeHandler(); 38 39 void SetDelegate(Delegate* delegate); 40 41 // BaseScreenHandler implementation: 42 virtual void DeclareLocalizedValues(LocalizedValuesBuilder* builder) OVERRIDE; 43 virtual void Initialize() OVERRIDE; 44 45 // WebUIMessageHandler implementation. 46 virtual void RegisterMessages() OVERRIDE; 47 48 // VersionInfoUpdater::Delegate implementation: 49 virtual void OnOSVersionLabelTextUpdated( 50 const std::string& os_version_label_text) OVERRIDE; 51 virtual void OnEnterpriseInfoUpdated( 52 const std::string& message_text) OVERRIDE; 53 54 // Show or hide OOBE UI. 55 void ShowOobeUI(bool show); 56 show_oobe_ui()57 bool show_oobe_ui() const { 58 return show_oobe_ui_; 59 } 60 61 private: 62 // CoreOobeActor implementation: 63 virtual void ShowSignInError( 64 int login_attempts, 65 const std::string& error_text, 66 const std::string& help_link_text, 67 HelpAppLauncher::HelpTopic help_topic_id) OVERRIDE; 68 virtual void ShowTpmError() OVERRIDE; 69 virtual void ShowSignInUI(const std::string& email) OVERRIDE; 70 virtual void ResetSignInUI(bool force_online) OVERRIDE; 71 virtual void ClearUserPodPassword() OVERRIDE; 72 virtual void RefocusCurrentPod() OVERRIDE; 73 virtual void OnLoginSuccess(const std::string& username) OVERRIDE; 74 virtual void ShowPasswordChangedScreen(bool show_password_error) OVERRIDE; 75 virtual void SetUsageStats(bool checked) OVERRIDE; 76 virtual void SetOemEulaUrl(const std::string& oem_eula_url) OVERRIDE; 77 virtual void SetTpmPassword(const std::string& tmp_password) OVERRIDE; 78 virtual void ClearErrors() OVERRIDE; 79 virtual void ReloadContent(const base::DictionaryValue& dictionary) OVERRIDE; 80 81 // Handlers for JS WebUI messages. 82 void HandleEnableLargeCursor(bool enabled); 83 void HandleEnableHighContrast(bool enabled); 84 void HandleEnableScreenMagnifier(bool enabled); 85 void HandleEnableSpokenFeedback(); 86 void HandleInitialized(); 87 void HandleSkipUpdateEnrollAfterEula(); 88 void HandleUpdateCurrentScreen(const std::string& screen); 89 void HandleSetDeviceRequisition(const std::string& requisition); 90 void HandleScreenAssetsLoaded(const std::string& screen_async_load_id); 91 void HandleSkipToLoginForTesting(const base::ListValue* args); 92 93 // Updates a11y menu state based on the current a11y features state(on/off). 94 void UpdateA11yState(); 95 96 // Calls javascript to sync OOBE UI visibility with show_oobe_ui_. 97 void UpdateOobeUIVisibility(); 98 99 // Updates label with specified id with specified text. 100 void UpdateLabel(const std::string& id, const std::string& text); 101 102 // Updates the device requisition string on the UI side. 103 void UpdateDeviceRequisition(); 104 105 // content::NotificationObserver implementation: 106 virtual void Observe(int type, 107 const content::NotificationSource& source, 108 const content::NotificationDetails& details) OVERRIDE; 109 110 // Owner of this handler. 111 OobeUI* oobe_ui_; 112 113 // True if we should show OOBE instead of login. 114 bool show_oobe_ui_; 115 116 // Updates when version info is changed. 117 VersionInfoUpdater version_info_updater_; 118 119 Delegate* delegate_; 120 121 content::NotificationRegistrar registrar_; 122 123 DISALLOW_COPY_AND_ASSIGN(CoreOobeHandler); 124 }; 125 126 } // namespace chromeos 127 128 #endif // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_CORE_OOBE_HANDLER_H_ 129