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| 1 // Copyright (c) 2012 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 #include "content/public/common/geoposition.h" |
| 6 |
| 7 namespace { |
| 8 // Sentinel values to mark invalid data. (WebKit carries companion is_valid |
| 9 // bools for this purpose; we may eventually follow that approach, but |
| 10 // sentinels worked OK in the Gears code this is based on.) |
| 11 const double kBadLatitudeLongitude = 200; |
| 12 // Lowest point on land is at approximately -400 meters. |
| 13 const int kBadAltitude = -10000; |
| 14 const int kBadAccuracy = -1; // Accuracy must be non-negative. |
| 15 const int kBadHeading = -1; // Heading must be non-negative. |
| 16 const int kBadSpeed = -1; |
| 17 } |
| 18 |
| 19 namespace content { |
| 20 |
| 21 Geoposition::Geoposition() |
| 22 : latitude(kBadLatitudeLongitude), |
| 23 longitude(kBadLatitudeLongitude), |
| 24 altitude(kBadAltitude), |
| 25 accuracy(kBadAccuracy), |
| 26 altitude_accuracy(kBadAccuracy), |
| 27 heading(kBadHeading), |
| 28 speed(kBadSpeed), |
| 29 error_code(ERROR_CODE_NONE) { |
| 30 } |
| 31 |
| 32 Geoposition::Geoposition(const Geoposition& other) = default; |
| 33 |
| 34 bool Geoposition::Validate() const { |
| 35 return latitude >= -90. && latitude <= 90. && |
| 36 longitude >= -180. && longitude <= 180. && |
| 37 accuracy >= 0. && |
| 38 !timestamp.is_null(); |
| 39 } |
| 40 |
| 41 } // namespace content |
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