OLD | NEW |
(Empty) | |
| 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_H_ |
| 6 #define CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_H_ |
| 7 |
| 8 #include <set> |
| 9 |
| 10 #include "base/strings/string16.h" |
| 11 #include "content/common/content_export.h" |
| 12 |
| 13 namespace content { |
| 14 |
| 15 // Wifi data relating to a single access point. |
| 16 struct CONTENT_EXPORT AccessPointData { |
| 17 AccessPointData(); |
| 18 ~AccessPointData(); |
| 19 |
| 20 // MAC address, formatted as per MacAddressAsString16. |
| 21 base::string16 mac_address; |
| 22 int radio_signal_strength; // Measured in dBm |
| 23 int channel; |
| 24 int signal_to_noise; // Ratio in dB |
| 25 base::string16 ssid; // Network identifier |
| 26 }; |
| 27 |
| 28 // This is to allow AccessPointData to be used in std::set. We order |
| 29 // lexicographically by MAC address. |
| 30 struct AccessPointDataLess { |
| 31 bool operator()(const AccessPointData& data1, |
| 32 const AccessPointData& data2) const { |
| 33 return data1.mac_address < data2.mac_address; |
| 34 } |
| 35 }; |
| 36 |
| 37 // All data for wifi. |
| 38 struct CONTENT_EXPORT WifiData { |
| 39 WifiData(); |
| 40 WifiData(const WifiData& other); |
| 41 ~WifiData(); |
| 42 |
| 43 // Determines whether a new set of WiFi data differs significantly from this. |
| 44 bool DiffersSignificantly(const WifiData& other) const; |
| 45 |
| 46 // Store access points as a set, sorted by MAC address. This allows quick |
| 47 // comparison of sets for detecting changes and for caching. |
| 48 typedef std::set<AccessPointData, AccessPointDataLess> AccessPointDataSet; |
| 49 AccessPointDataSet access_point_data; |
| 50 }; |
| 51 |
| 52 } // namespace content |
| 53 |
| 54 #endif // CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_H_ |
OLD | NEW |