tauri_plugin_geolocation/models.rs
1// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
2// SPDX-License-Identifier: Apache-2.0
3// SPDX-License-Identifier: MIT
4
5use serde::{Deserialize, Serialize};
6use tauri::plugin::PermissionState;
7
8/// The current permission state for the geolocation APIs.
9#[derive(Debug, Clone, Default, Serialize, Deserialize)]
10#[cfg_attr(feature = "specta", derive(specta::Type))]
11#[serde(rename_all = "camelCase")]
12pub struct PermissionStatus {
13 /// Permission state for the location alias.
14 ///
15 /// On Android it requests/checks both ACCESS_COARSE_LOCATION and ACCESS_FINE_LOCATION permissions.
16 ///
17 /// On iOS it requests/checks location permissions.
18 pub location: PermissionState,
19 /// Permissions state for the coarseLoaction alias.
20 ///
21 /// On Android it requests/checks ACCESS_COARSE_LOCATION.
22 ///
23 /// On Android 12+, users can choose between Approximate location (ACCESS_COARSE_LOCATION) and Precise location (ACCESS_FINE_LOCATION).
24 ///
25 /// On iOS it will have the same value as the `location` alias.
26 pub coarse_location: PermissionState,
27}
28
29/// Options used to configure a [`get_current_position`](crate::Geolocation::get_current_position) or [`watch_position`](crate::Geolocation::watch_position) request.
30#[derive(Debug, Clone, Default, Serialize, Deserialize)]
31#[cfg_attr(feature = "specta", derive(specta::Type))]
32#[serde(rename_all = "camelCase")]
33pub struct PositionOptions {
34 /// High accuracy mode (such as GPS, if available)
35 /// Will be ignored on Android 12+ if users didn't grant the ACCESS_FINE_LOCATION permission.
36 pub enable_high_accuracy: bool,
37 /// The maximum wait time in milliseconds for location updates.
38 /// Default: 10000
39 /// Ignored on iOS.
40 // TODO: Handle Infinity and default to it.
41 // TODO: Should be u64+ but specta doesn't like that?
42 pub timeout: u32,
43 /// The maximum age in milliseconds of a possible cached position that is acceptable to return.
44 /// Default: 0
45 /// Ignored on iOS.
46 // TODO: Handle Infinity.
47 // TODO: Should be u64+ but specta doesn't like that?
48 pub maximum_age: u32,
49}
50
51/// The individual permission aliases that can be requested with [`request_permissions`](crate::Geolocation::request_permissions).
52#[derive(Debug, Clone, Serialize, Deserialize)]
53#[cfg_attr(feature = "specta", derive(specta::Type))]
54#[serde(rename_all = "camelCase")]
55pub enum PermissionType {
56 /// The `location` alias. On Android this maps to both `ACCESS_COARSE_LOCATION` and `ACCESS_FINE_LOCATION`. On iOS it maps to the standard location permission.
57 Location,
58 /// The `coarseLocation` alias. On Android this maps to `ACCESS_COARSE_LOCATION` only. On iOS it behaves the same as [`Location`](Self::Location).
59 CoarseLocation,
60}
61
62/// The GPS coordinates of a [`Position`], along with the accuracy of each reading.
63#[derive(Debug, Clone, Default, Serialize, Deserialize)]
64#[cfg_attr(feature = "specta", derive(specta::Type))]
65#[serde(rename_all = "camelCase")]
66pub struct Coordinates {
67 /// Latitude in decimal degrees.
68 pub latitude: f64,
69 /// Longitude in decimal degrees.
70 pub longitude: f64,
71 /// Accuracy level of the latitude and longitude coordinates in meters.
72 pub accuracy: f64,
73 /// Accuracy level of the altitude coordinate in meters, if available.
74 /// Available on all iOS versions and on Android 8 and above.
75 pub altitude_accuracy: Option<f64>,
76 /// The altitude the user is at, if available.
77 pub altitude: Option<f64>,
78 /// The speed the user is traveling, in meters per second, if available.
79 pub speed: Option<f64>,
80 /// The heading the user is facing, if available.
81 pub heading: Option<f64>,
82}
83
84/// A geolocation reading, as returned by [`get_current_position`](crate::Geolocation::get_current_position) and reported through [`WatchEvent::Position`].
85#[derive(Debug, Clone, Default, Serialize, Deserialize)]
86#[cfg_attr(feature = "specta", derive(specta::Type))]
87#[serde(rename_all = "camelCase")]
88pub struct Position {
89 /// Creation time for these coordinates.
90 // TODO: Check if we're actually losing precision.
91 pub timestamp: u64,
92 /// The GPS coordinates along with the accuracy of the data.
93 pub coords: Coordinates,
94}
95
96/// A single update sent through the channel callback registered with [`watch_position`](crate::Geolocation::watch_position).
97#[derive(Debug, Clone, Serialize, Deserialize)]
98#[cfg_attr(feature = "specta", derive(specta::Type))]
99#[serde(untagged)]
100pub enum WatchEvent {
101 /// A new position was read successfully.
102 Position(Position),
103 /// The platform failed to read a position; the string is the platform-provided error message.
104 Error(String),
105}