| // 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_CHROMEOS_LOGIN_NETWORK_STATE_INFORMER_H_ |
| #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_STATE_INFORMER_H_ |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/cancelable_callback.h" |
| #include "base/compiler_specific.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/observer_list.h" |
| #include "chrome/browser/chromeos/login/captive_portal_window_proxy.h" |
| #include "chrome/browser/chromeos/login/screens/error_screen_actor.h" |
| #include "chrome/browser/chromeos/net/network_portal_detector.h" |
| #include "chromeos/network/network_state_handler_observer.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| #include "content/public/browser/notification_service.h" |
| |
| namespace chromeos { |
| |
| class NetworkState; |
| |
| // Class which observes network state changes and calls registered callbacks. |
| // State is considered changed if connection or the active network has been |
| // changed. Also, it answers to the requests about current network state. |
| class NetworkStateInformer |
| : public chromeos::NetworkStateHandlerObserver, |
| public chromeos::NetworkPortalDetector::Observer, |
| public content::NotificationObserver, |
| public CaptivePortalWindowProxyDelegate, |
| public base::RefCounted<NetworkStateInformer> { |
| public: |
| enum State { |
| OFFLINE = 0, |
| ONLINE, |
| CAPTIVE_PORTAL, |
| CONNECTING, |
| PROXY_AUTH_REQUIRED, |
| UNKNOWN |
| }; |
| |
| class NetworkStateInformerObserver { |
| public: |
| NetworkStateInformerObserver() {} |
| virtual ~NetworkStateInformerObserver() {} |
| |
| virtual void UpdateState(ErrorScreenActor::ErrorReason reason) = 0; |
| virtual void OnNetworkReady() {} |
| }; |
| |
| NetworkStateInformer(); |
| |
| void Init(); |
| |
| // Adds observer to be notified when network state has been changed. |
| void AddObserver(NetworkStateInformerObserver* observer); |
| |
| // Removes observer. |
| void RemoveObserver(NetworkStateInformerObserver* observer); |
| |
| // NetworkStateHandlerObserver implementation: |
| virtual void DefaultNetworkChanged(const NetworkState* network) OVERRIDE; |
| |
| // NetworkPortalDetector::Observer implementation: |
| virtual void OnPortalDetectionCompleted( |
| const NetworkState* network, |
| const NetworkPortalDetector::CaptivePortalState& state) OVERRIDE; |
| |
| // content::NotificationObserver implementation. |
| virtual void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) OVERRIDE; |
| |
| // CaptivePortalWindowProxyDelegate implementation: |
| virtual void OnPortalDetected() OVERRIDE; |
| |
| State state() const { return state_; } |
| std::string network_path() const { return network_path_; } |
| std::string network_type() const { return network_type_; } |
| |
| private: |
| friend class base::RefCounted<NetworkStateInformer>; |
| |
| virtual ~NetworkStateInformer(); |
| |
| bool UpdateState(); |
| |
| void UpdateStateAndNotify(); |
| |
| void SendStateToObservers(ErrorScreenActor::ErrorReason reason); |
| |
| State GetNetworkState(const NetworkState* network); |
| bool IsProxyConfigured(const NetworkState* network); |
| |
| State state_; |
| std::string network_path_; |
| std::string network_type_; |
| |
| ObserverList<NetworkStateInformerObserver> observers_; |
| content::NotificationRegistrar registrar_; |
| |
| base::WeakPtrFactory<NetworkStateInformer> weak_ptr_factory_; |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_STATE_INFORMER_H_ |