OLD | NEW |
| (Empty) |
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 "device/geolocation/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 device { | |
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 device | |
OLD | NEW |