| // 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_ASH_NETWORK_MOBILE_DATA_NOTIFICATIONS_H_ |
| #define CHROME_BROWSER_UI_ASH_NETWORK_MOBILE_DATA_NOTIFICATIONS_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/timer/timer.h" |
| #include "chromeos/network/network_connection_observer.h" |
| #include "chromeos/network/network_state_handler_observer.h" |
| #include "components/session_manager/core/session_manager_observer.h" |
| #include "components/user_manager/user_manager.h" |
| |
| namespace user_manager { |
| class User; |
| } |
| |
| // This class is responsible for triggering a one-time (per user) mobile data |
| // usage warning notification. |
| // Shows notification to authenticated users with unlocked screen |
| // while cellular is the default network and there are no other network |
| // connection requests. |
| // Connection status could change before the default network is updated. We |
| // could run into situations where notifications are shown even though default |
| // network is about to change to a non-cellular network. We introduce a delay |
| // in operations that we think might run into this issue. |
| class MobileDataNotifications |
| : public chromeos::NetworkStateHandlerObserver, |
| public chromeos::NetworkConnectionObserver, |
| public user_manager::UserManager::UserSessionStateObserver, |
| public session_manager::SessionManagerObserver { |
| public: |
| MobileDataNotifications(); |
| ~MobileDataNotifications() override; |
| |
| // NetworkStateHandlerObserver: |
| void DefaultNetworkChanged(const chromeos::NetworkState* network) override; |
| |
| // NetworkConnectionObserver: |
| void ConnectSucceeded(const std::string& service_path) override; |
| void ConnectFailed(const std::string& service_path, |
| const std::string& error_name) override; |
| |
| // UserSessionStateObserver: |
| void ActiveUserChanged(const user_manager::User* active_user) override; |
| |
| // SessionManagerObserver: |
| void OnSessionStateChanged() override; |
| |
| private: |
| // Displays a mobile data warning notification if all conditions are met: |
| // * Celluar is the default network. |
| // * User is authenticated with unlocked screen. |
| // * There are no pending connection requests (Prevent flaky network switches |
| // from triggering the notification). |
| // * First time notification is shown according to user prefs. |
| void ShowOptionalMobileDataNotification(); |
| |
| // Adds a delay before calling |ShowOptionalMobileDataNotification|. Delay is |
| // introduced because in some cases we might be notified through an observer |
| // of an update that is not fully propagated to other parts of the |
| // system. Checks performed in |ShowOptionalMobileDataNotification| might |
| // accidentally pass. |
| void DelayedShowOptionalMobileDataNotification(); |
| |
| base::OneShotTimer one_shot_notification_check_delay_; |
| |
| base::WeakPtrFactory<MobileDataNotifications> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MobileDataNotifications); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_ASH_NETWORK_MOBILE_DATA_NOTIFICATIONS_H_ |