| // Copyright 2014 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_SIGNIN_SCREENLOCK_BRIDGE_H_ |
| #define CHROME_BROWSER_SIGNIN_SCREENLOCK_BRIDGE_H_ |
| |
| #include <string> |
| |
| #include "base/lazy_instance.h" |
| #include "base/macros.h" |
| #include "base/observer_list.h" |
| |
| namespace gfx { |
| class Image; |
| } |
| |
| class Profile; |
| |
| // ScreenlockBridge brings together the screenLockPrivate API and underlying |
| // support. On ChromeOS, it delegates calls to the ScreenLocker. On other |
| // platforms, it delegates calls to UserManagerUI (and friends). |
| class ScreenlockBridge { |
| public: |
| class Observer { |
| public: |
| // Invoked after the screen is locked. |
| virtual void OnScreenDidLock() = 0; |
| // Invoked after the screen lock is dismissed. |
| virtual void OnScreenDidUnlock() = 0; |
| protected: |
| virtual ~Observer() {} |
| }; |
| |
| class LockHandler { |
| public: |
| // Supported authentication types. Keep in sync with the enum in |
| // user_pod_row.js. |
| enum AuthType { |
| OFFLINE_PASSWORD = 0, |
| ONLINE_SIGN_IN = 1, |
| NUMERIC_PIN = 2, |
| USER_CLICK = 3, |
| }; |
| |
| // Displays |message| in a banner on the lock screen. |
| virtual void ShowBannerMessage(const std::string& message) = 0; |
| |
| // Shows a custom icon in the user pod on the lock screen. |
| virtual void ShowUserPodCustomIcon(const std::string& user_email, |
| const gfx::Image& icon) = 0; |
| |
| // Hides the custom icon in user pod for a user. |
| virtual void HideUserPodCustomIcon(const std::string& user_email) = 0; |
| |
| // (Re)enable lock screen UI. |
| virtual void EnableInput() = 0; |
| |
| // Set the authentication type to be used on the lock screen. |
| virtual void SetAuthType(const std::string& user_email, |
| AuthType auth_type, |
| const std::string& auth_value) = 0; |
| |
| // Returns the authentication type used for a user. |
| virtual AuthType GetAuthType(const std::string& user_email) const = 0; |
| |
| // Unlock from easy unlock app for a user. |
| virtual void Unlock(const std::string& user_email) = 0; |
| |
| protected: |
| virtual ~LockHandler() {} |
| }; |
| |
| static ScreenlockBridge* Get(); |
| static std::string GetAuthenticatedUserEmail(Profile* profile); |
| |
| void SetLockHandler(LockHandler* lock_handler); |
| |
| bool IsLocked() const; |
| void Lock(Profile* profile); |
| void Unlock(Profile* profile); |
| |
| void AddObserver(Observer* observer); |
| void RemoveObserver(Observer* observer); |
| |
| LockHandler* lock_handler() { return lock_handler_; } |
| |
| private: |
| friend struct base::DefaultLazyInstanceTraits<ScreenlockBridge>; |
| friend struct base::DefaultDeleter<ScreenlockBridge>; |
| |
| ScreenlockBridge(); |
| ~ScreenlockBridge(); |
| |
| LockHandler* lock_handler_; // Not owned |
| ObserverList<Observer, true> observers_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScreenlockBridge); |
| }; |
| |
| #endif // CHROME_BROWSER_SIGNIN_SCREENLOCK_BRIDGE_H_ |