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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_DETECTOR_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_DETECTOR_H_ |
| 6 #define CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_DETECTOR_H_ | 6 #define CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_DETECTOR_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "net/url_request/url_fetcher.h" | 9 #include "net/url_request/url_fetcher.h" |
| 10 | 10 |
| 11 namespace chromeos { | 11 namespace chromeos { |
| 12 | 12 |
| 13 class Network; | 13 class NetworkState; |
| 14 | 14 |
| 15 // This class handles all notifications about network changes from | 15 // This class handles all notifications about network changes from |
| 16 // NetworkLibrary and delegates portal detection for the active | 16 // NetworkLibrary and delegates portal detection for the active |
| 17 // network to CaptivePortalService. | 17 // network to CaptivePortalService. |
| 18 class NetworkPortalDetector { | 18 class NetworkPortalDetector { |
| 19 public: | 19 public: |
| 20 enum CaptivePortalStatus { | 20 enum CaptivePortalStatus { |
| 21 CAPTIVE_PORTAL_STATUS_UNKNOWN = 0, | 21 CAPTIVE_PORTAL_STATUS_UNKNOWN = 0, |
| 22 CAPTIVE_PORTAL_STATUS_OFFLINE = 1, | 22 CAPTIVE_PORTAL_STATUS_OFFLINE = 1, |
| 23 CAPTIVE_PORTAL_STATUS_ONLINE = 2, | 23 CAPTIVE_PORTAL_STATUS_ONLINE = 2, |
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| 38 | 38 |
| 39 class Observer { | 39 class Observer { |
| 40 public: | 40 public: |
| 41 // Called when portal detection is completed for |network|, or | 41 // Called when portal detection is completed for |network|, or |
| 42 // when observers add themselves via AddAndFireObserver(). In the | 42 // when observers add themselves via AddAndFireObserver(). In the |
| 43 // second case, |network| is the active network and |state| is a | 43 // second case, |network| is the active network and |state| is a |
| 44 // current portal state for the active network, which can be | 44 // current portal state for the active network, which can be |
| 45 // currently in the unknown state, for instance, if portal | 45 // currently in the unknown state, for instance, if portal |
| 46 // detection is in process for the active network. | 46 // detection is in process for the active network. |
| 47 virtual void OnPortalDetectionCompleted( | 47 virtual void OnPortalDetectionCompleted( |
| 48 const Network* network, | 48 const NetworkState* network, |
| 49 const CaptivePortalState& state) = 0; | 49 const CaptivePortalState& state) = 0; |
| 50 | 50 |
| 51 protected: | 51 protected: |
| 52 virtual ~Observer() {} | 52 virtual ~Observer() {} |
| 53 }; | 53 }; |
| 54 | 54 |
| 55 virtual void Init() = 0; | 55 virtual void Init() = 0; |
| 56 virtual void Shutdown() = 0; | 56 virtual void Shutdown() = 0; |
| 57 | 57 |
| 58 // Adds |observer| to the observers list. | 58 // Adds |observer| to the observers list. |
| 59 virtual void AddObserver(Observer* observer) = 0; | 59 virtual void AddObserver(Observer* observer) = 0; |
| 60 | 60 |
| 61 // Adds |observer| to the observers list and immediately calls | 61 // Adds |observer| to the observers list and immediately calls |
| 62 // OnPortalDetectionCompleted() with the active network (which may | 62 // OnPortalDetectionCompleted() with the active network (which may |
| 63 // be NULL) and captive portal state for the active network (which | 63 // be NULL) and captive portal state for the active network (which |
| 64 // may be unknown, if, for instance, portal detection is in process | 64 // may be unknown, if, for instance, portal detection is in process |
| 65 // for the active network). | 65 // for the active network). |
| 66 // | 66 // |
| 67 // WARNING: don't call this method from the Observer's ctors or | 67 // WARNING: don't call this method from the Observer's ctors or |
| 68 // dtors, as it implicitly calls OnPortalDetectionCompleted(), which | 68 // dtors, as it implicitly calls OnPortalDetectionCompleted(), which |
| 69 // is virtual. | 69 // is virtual. |
| 70 // TODO (ygorshenin@): find a way to avoid this restriction. | 70 // TODO (ygorshenin@): find a way to avoid this restriction. |
| 71 virtual void AddAndFireObserver(Observer* observer) = 0; | 71 virtual void AddAndFireObserver(Observer* observer) = 0; |
| 72 | 72 |
| 73 // Removes |observer| from the observers list. | 73 // Removes |observer| from the observers list. |
| 74 virtual void RemoveObserver(Observer* observer) = 0; | 74 virtual void RemoveObserver(Observer* observer) = 0; |
| 75 | 75 |
| 76 // Returns Captive Portal state for a given |network|. | 76 // Returns Captive Portal state for a given |network|. |
| 77 virtual CaptivePortalState GetCaptivePortalState( | 77 virtual CaptivePortalState GetCaptivePortalState( |
| 78 const chromeos::Network* network) = 0; | 78 const chromeos::NetworkState* network) = 0; |
| 79 | 79 |
| 80 // Returns true if portal detection is enabled. | 80 // Returns true if portal detection is enabled. |
| 81 virtual bool IsEnabled() = 0; | 81 virtual bool IsEnabled() = 0; |
| 82 | 82 |
| 83 // Enable portal detection. This method is needed because we can't | 83 // Enable portal detection. This method is needed because we can't |
| 84 // check current network for portal state unless user accepts EULA. | 84 // check current network for portal state unless user accepts EULA. |
| 85 // If |start_detection| is true and NetworkPortalDetector was | 85 // If |start_detection| is true and NetworkPortalDetector was |
| 86 // disabled previously, portal detection for the active network is | 86 // disabled previously, portal detection for the active network is |
| 87 // initiated by this method. | 87 // initiated by this method. |
| 88 virtual void Enable(bool start_detection) = 0; | 88 virtual void Enable(bool start_detection) = 0; |
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| 107 NetworkPortalDetector(); | 107 NetworkPortalDetector(); |
| 108 virtual ~NetworkPortalDetector(); | 108 virtual ~NetworkPortalDetector(); |
| 109 | 109 |
| 110 private: | 110 private: |
| 111 DISALLOW_COPY_AND_ASSIGN(NetworkPortalDetector); | 111 DISALLOW_COPY_AND_ASSIGN(NetworkPortalDetector); |
| 112 }; | 112 }; |
| 113 | 113 |
| 114 } // namespace chromeos | 114 } // namespace chromeos |
| 115 | 115 |
| 116 #endif // CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_DETECTOR_H_ | 116 #endif // CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_DETECTOR_H_ |
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