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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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| 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. Note, that | 46 // detection is in process for the active network. Note, that |
| 47 // |network| may be NULL. | 47 // |network| may be NULL. |
| 48 virtual void OnPortalDetectionCompleted( | 48 virtual void OnPortalDetectionCompleted( |
| 49 const Network* network, | 49 const NetworkState* network, |
| 50 const CaptivePortalState& state) = 0; | 50 const CaptivePortalState& state) = 0; |
| 51 | 51 |
| 52 protected: | 52 protected: |
| 53 virtual ~Observer() {} | 53 virtual ~Observer() {} |
| 54 }; | 54 }; |
| 55 | 55 |
| 56 virtual void Init() = 0; | 56 virtual void Init() = 0; |
| 57 virtual void Shutdown() = 0; | 57 virtual void Shutdown() = 0; |
| 58 | 58 |
| 59 // Adds |observer| to the observers list. | 59 // Adds |observer| to the observers list. |
| 60 virtual void AddObserver(Observer* observer) = 0; | 60 virtual void AddObserver(Observer* observer) = 0; |
| 61 | 61 |
| 62 // Adds |observer| to the observers list and immediately calls | 62 // Adds |observer| to the observers list and immediately calls |
| 63 // OnPortalDetectionCompleted() with the active network (which may | 63 // OnPortalDetectionCompleted() with the active network (which may |
| 64 // be NULL) and captive portal state for the active network (which | 64 // be NULL) and captive portal state for the active network (which |
| 65 // may be unknown, if, for instance, portal detection is in process | 65 // may be unknown, if, for instance, portal detection is in process |
| 66 // for the active network). | 66 // for the active network). |
| 67 // | 67 // |
| 68 // WARNING: don't call this method from the Observer's ctors or | 68 // WARNING: don't call this method from the Observer's ctors or |
| 69 // dtors, as it implicitly calls OnPortalDetectionCompleted(), which | 69 // dtors, as it implicitly calls OnPortalDetectionCompleted(), which |
| 70 // is virtual. | 70 // is virtual. |
| 71 // TODO (ygorshenin@): find a way to avoid this restriction. | 71 // TODO (ygorshenin@): find a way to avoid this restriction. |
| 72 virtual void AddAndFireObserver(Observer* observer) = 0; | 72 virtual void AddAndFireObserver(Observer* observer) = 0; |
| 73 | 73 |
| 74 // Removes |observer| from the observers list. | 74 // Removes |observer| from the observers list. |
| 75 virtual void RemoveObserver(Observer* observer) = 0; | 75 virtual void RemoveObserver(Observer* observer) = 0; |
| 76 | 76 |
| 77 // Returns Captive Portal state for a given |network|. | 77 // Returns Captive Portal state for a given |network|. |
| 78 virtual CaptivePortalState GetCaptivePortalState( | 78 virtual CaptivePortalState GetCaptivePortalState( |
| 79 const chromeos::Network* network) = 0; | 79 const chromeos::NetworkState* network) = 0; |
| 80 | 80 |
| 81 // Returns true if portal detection is enabled. | 81 // Returns true if portal detection is enabled. |
| 82 virtual bool IsEnabled() = 0; | 82 virtual bool IsEnabled() = 0; |
| 83 | 83 |
| 84 // Enable portal detection. This method is needed because we can't | 84 // Enable portal detection. This method is needed because we can't |
| 85 // check current network for portal state unless user accepts EULA. | 85 // check current network for portal state unless user accepts EULA. |
| 86 // If |start_detection| is true and NetworkPortalDetector was | 86 // If |start_detection| is true and NetworkPortalDetector was |
| 87 // disabled previously, portal detection for the active network is | 87 // disabled previously, portal detection for the active network is |
| 88 // initiated by this method. | 88 // initiated by this method. |
| 89 virtual void Enable(bool start_detection) = 0; | 89 virtual void Enable(bool start_detection) = 0; |
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| 113 NetworkPortalDetector(); | 113 NetworkPortalDetector(); |
| 114 virtual ~NetworkPortalDetector(); | 114 virtual ~NetworkPortalDetector(); |
| 115 | 115 |
| 116 private: | 116 private: |
| 117 DISALLOW_COPY_AND_ASSIGN(NetworkPortalDetector); | 117 DISALLOW_COPY_AND_ASSIGN(NetworkPortalDetector); |
| 118 }; | 118 }; |
| 119 | 119 |
| 120 } // namespace chromeos | 120 } // namespace chromeos |
| 121 | 121 |
| 122 #endif // CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_DETECTOR_H_ | 122 #endif // CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_DETECTOR_H_ |
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