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immich/mobile/lib/modules/map/utils/map_utils.dart

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import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:immich_mobile/modules/map/models/map_marker.dart';
import 'package:immich_mobile/shared/ui/confirm_dialog.dart';
import 'package:geolocator/geolocator.dart';
import 'package:logging/logging.dart';
import 'package:maplibre_gl/maplibre_gl.dart';
class MapUtils {
MapUtils._();
static final Logger _log = Logger("MapUtils");
static const defaultSourceId = 'asset-map-markers';
static const defaultHeatMapLayerId = 'asset-heatmap-layer';
static const defaultHeatMapLayerProperties = HeatmapLayerProperties(
heatmapColor: [
Expressions.interpolate,
["linear"],
["heatmap-density"],
0.0,
"rgba(103,58,183,0.0)",
0.3,
"rgb(103,58,183)",
0.5,
"rgb(33,149,243)",
0.7,
"rgb(76,175,79)",
0.95,
"rgb(255,235,59)",
1.0,
"rgb(255,86,34)",
],
heatmapIntensity: [
Expressions.interpolate, ["linear"], //
[Expressions.zoom],
0, 0.5,
9, 2,
],
heatmapRadius: [
Expressions.interpolate, ["linear"], //
[Expressions.zoom],
0, 4,
4, 8,
9, 16,
],
heatmapOpacity: 0.7,
);
static Map<String, dynamic> _addFeature(MapMarker marker) => {
'type': 'Feature',
'id': marker.assetRemoteId,
'geometry': {
'type': 'Point',
'coordinates': [marker.latLng.longitude, marker.latLng.latitude],
},
};
static Map<String, dynamic> generateGeoJsonForMarkers(
List<MapMarker> markers,
) =>
{
'type': 'FeatureCollection',
'features': markers.map(_addFeature).toList(),
};
static Future<(Position?, LocationPermission?)> checkPermAndGetLocation(
BuildContext context,
) async {
try {
bool serviceEnabled = await Geolocator.isLocationServiceEnabled();
if (!serviceEnabled) {
showDialog(
context: context,
builder: (context) => _LocationServiceDisabledDialog(),
);
return (null, LocationPermission.deniedForever);
}
LocationPermission permission = await Geolocator.checkPermission();
bool shouldRequestPermission = false;
if (permission == LocationPermission.denied) {
shouldRequestPermission = await showDialog(
context: context,
builder: (context) => _LocationPermissionDisabledDialog(),
);
if (shouldRequestPermission) {
permission = await Geolocator.requestPermission();
}
}
if (permission == LocationPermission.denied ||
permission == LocationPermission.deniedForever) {
// Open app settings only if you did not request for permission before
if (permission == LocationPermission.deniedForever &&
!shouldRequestPermission) {
await Geolocator.openAppSettings();
}
return (null, LocationPermission.deniedForever);
}
Position currentUserLocation = await Geolocator.getCurrentPosition(
desiredAccuracy: LocationAccuracy.medium,
timeLimit: const Duration(seconds: 5),
);
return (currentUserLocation, null);
} catch (error, stack) {
_log.severe("Cannot get user's current location", error, stack);
return (null, LocationPermission.unableToDetermine);
}
}
}
class _LocationServiceDisabledDialog extends ConfirmDialog {
_LocationServiceDisabledDialog()
: super(
title: 'map_location_service_disabled_title'.tr(),
content: 'map_location_service_disabled_content'.tr(),
cancel: 'map_location_dialog_cancel'.tr(),
ok: 'map_location_dialog_yes'.tr(),
onOk: () async {
await Geolocator.openLocationSettings();
},
);
}
class _LocationPermissionDisabledDialog extends ConfirmDialog {
_LocationPermissionDisabledDialog()
: super(
title: 'map_no_location_permission_title'.tr(),
content: 'map_no_location_permission_content'.tr(),
cancel: 'map_location_dialog_cancel'.tr(),
ok: 'map_location_dialog_yes'.tr(),
onOk: () {},
);
}