1/*
2 * Copyright (C) 2009-2017 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include <cmath>
29#include <wtf/Optional.h>
30#include <wtf/Ref.h>
31#include <wtf/RefCounted.h>
32
33#if PLATFORM(IOS_FAMILY)
34OBJC_CLASS CLLocation;
35#endif
36
37namespace WebCore {
38
39class GeolocationPosition {
40public:
41 GeolocationPosition() = default;
42
43 GeolocationPosition(double timestamp, double latitude, double longitude, double accuracy)
44 : timestamp(timestamp)
45 , latitude(latitude)
46 , longitude(longitude)
47 , accuracy(accuracy)
48 {
49 }
50
51#if PLATFORM(IOS_FAMILY)
52 WEBCORE_EXPORT explicit GeolocationPosition(CLLocation*);
53#endif
54
55 double timestamp { std::numeric_limits<double>::quiet_NaN() };
56
57 double latitude { std::numeric_limits<double>::quiet_NaN() };
58 double longitude { std::numeric_limits<double>::quiet_NaN() };
59 double accuracy { std::numeric_limits<double>::quiet_NaN() };
60
61 Optional<double> altitude;
62 Optional<double> altitudeAccuracy;
63 Optional<double> heading;
64 Optional<double> speed;
65 Optional<double> floorLevel;
66
67 bool isValid() const;
68
69 template<class Encoder> void encode(Encoder&) const;
70 template<class Decoder> static bool decode(Decoder&, GeolocationPosition&);
71};
72
73template<class Encoder>
74void GeolocationPosition::encode(Encoder& encoder) const
75{
76 encoder << timestamp;
77 encoder << latitude;
78 encoder << longitude;
79 encoder << accuracy;
80 encoder << altitude;
81 encoder << altitudeAccuracy;
82 encoder << heading;
83 encoder << speed;
84 encoder << floorLevel;
85}
86
87template<class Decoder>
88bool GeolocationPosition::decode(Decoder& decoder, GeolocationPosition& position)
89{
90 if (!decoder.decode(position.timestamp))
91 return false;
92 if (!decoder.decode(position.latitude))
93 return false;
94 if (!decoder.decode(position.longitude))
95 return false;
96 if (!decoder.decode(position.accuracy))
97 return false;
98 if (!decoder.decode(position.altitude))
99 return false;
100 if (!decoder.decode(position.altitudeAccuracy))
101 return false;
102 if (!decoder.decode(position.heading))
103 return false;
104 if (!decoder.decode(position.speed))
105 return false;
106 if (!decoder.decode(position.floorLevel))
107 return false;
108
109 return true;
110}
111
112inline bool GeolocationPosition::isValid() const
113{
114 return !std::isnan(timestamp) && !std::isnan(latitude) && !std::isnan(longitude) && !std::isnan(accuracy);
115}
116
117} // namespace WebCore
118