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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_COMMON_H_ | 5 #ifndef CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_COMMON_H_ |
| 6 #define CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_COMMON_H_ | 6 #define CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_COMMON_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <assert.h> | 9 #include <assert.h> |
| 10 | 10 |
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| 75 class WlanApiInterface { | 75 class WlanApiInterface { |
| 76 public: | 76 public: |
| 77 virtual ~WlanApiInterface() {} | 77 virtual ~WlanApiInterface() {} |
| 78 // Gets wifi data for all visible access points. | 78 // Gets wifi data for all visible access points. |
| 79 virtual bool GetAccessPointData(WifiData::AccessPointDataSet* data) = 0; | 79 virtual bool GetAccessPointData(WifiData::AccessPointDataSet* data) = 0; |
| 80 }; | 80 }; |
| 81 | 81 |
| 82 WifiDataProviderCommon(); | 82 WifiDataProviderCommon(); |
| 83 | 83 |
| 84 // WifiDataProviderImplBase implementation | 84 // WifiDataProviderImplBase implementation |
| 85 virtual bool StartDataProvider(); | 85 virtual bool StartDataProvider() OVERRIDE; |
| 86 virtual void StopDataProvider(); | 86 virtual void StopDataProvider() OVERRIDE; |
| 87 virtual bool GetData(WifiData* data); | 87 virtual bool GetData(WifiData* data) OVERRIDE; |
| 88 | 88 |
| 89 protected: | 89 protected: |
| 90 virtual ~WifiDataProviderCommon(); | 90 virtual ~WifiDataProviderCommon(); |
| 91 | 91 |
| 92 // Returns ownership. Will be called from the worker thread. | 92 // Returns ownership. Will be called from the worker thread. |
| 93 virtual WlanApiInterface* NewWlanApi() = 0; | 93 virtual WlanApiInterface* NewWlanApi() = 0; |
| 94 | 94 |
| 95 // Returns ownership. Will be called from the worker thread. | 95 // Returns ownership. Will be called from the worker thread. |
| 96 virtual PollingPolicyInterface* NewPollingPolicy() = 0; | 96 virtual PollingPolicyInterface* NewPollingPolicy() = 0; |
| 97 | 97 |
| 98 private: | 98 private: |
| 99 // Thread implementation | 99 // Thread implementation |
| 100 virtual void Init(); | 100 virtual void Init() OVERRIDE; |
| 101 virtual void CleanUp(); | 101 virtual void CleanUp() OVERRIDE; |
| 102 | 102 |
| 103 // Task which run in the child thread. | 103 // Task which run in the child thread. |
| 104 void DoWifiScanTask(); | 104 void DoWifiScanTask(); |
| 105 | 105 |
| 106 // Will schedule a scan; i.e. enqueue DoWifiScanTask deferred task. | 106 // Will schedule a scan; i.e. enqueue DoWifiScanTask deferred task. |
| 107 void ScheduleNextScan(int interval); | 107 void ScheduleNextScan(int interval); |
| 108 | 108 |
| 109 WifiData wifi_data_; | 109 WifiData wifi_data_; |
| 110 base::Lock data_mutex_; | 110 base::Lock data_mutex_; |
| 111 | 111 |
| 112 // Whether we've successfully completed a scan for WiFi data (or the polling | 112 // Whether we've successfully completed a scan for WiFi data (or the polling |
| 113 // thread has terminated early). | 113 // thread has terminated early). |
| 114 bool is_first_scan_complete_; | 114 bool is_first_scan_complete_; |
| 115 | 115 |
| 116 // Underlying OS wifi API. | 116 // Underlying OS wifi API. |
| 117 scoped_ptr<WlanApiInterface> wlan_api_; | 117 scoped_ptr<WlanApiInterface> wlan_api_; |
| 118 | 118 |
| 119 // Controls the polling update interval. | 119 // Controls the polling update interval. |
| 120 scoped_ptr<PollingPolicyInterface> polling_policy_; | 120 scoped_ptr<PollingPolicyInterface> polling_policy_; |
| 121 | 121 |
| 122 // Holder for the tasks which run on the thread; takes care of cleanup. | 122 // Holder for the tasks which run on the thread; takes care of cleanup. |
| 123 base::WeakPtrFactory<WifiDataProviderCommon> weak_factory_; | 123 base::WeakPtrFactory<WifiDataProviderCommon> weak_factory_; |
| 124 | 124 |
| 125 DISALLOW_COPY_AND_ASSIGN(WifiDataProviderCommon); | 125 DISALLOW_COPY_AND_ASSIGN(WifiDataProviderCommon); |
| 126 }; | 126 }; |
| 127 | 127 |
| 128 #endif // CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_COMMON_H_ | 128 #endif // CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_COMMON_H_ |
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