aves/lib/widgets/fullscreen/info/maps/google_map.dart
2020-08-09 14:53:14 +09:00

118 lines
3.8 KiB
Dart

import 'package:aves/model/settings.dart';
import 'package:aves/services/android_app_service.dart';
import 'package:aves/widgets/common/icons.dart';
import 'package:flutter/material.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'package:tuple/tuple.dart';
class EntryGoogleMap extends StatefulWidget {
final String markerId;
final LatLng latLng;
final String geoUri;
final double initialZoom;
EntryGoogleMap({
Key key,
this.markerId,
Tuple2<double, double> latLng,
this.geoUri,
this.initialZoom,
}) : latLng = LatLng(latLng.item1, latLng.item2),
super(key: key);
@override
State<StatefulWidget> createState() => EntryGoogleMapState();
}
class EntryGoogleMapState extends State<EntryGoogleMap> with AutomaticKeepAliveClientMixin {
GoogleMapController _controller;
@override
void didUpdateWidget(EntryGoogleMap oldWidget) {
super.didUpdateWidget(oldWidget);
if (widget.latLng != oldWidget.latLng && _controller != null) {
_controller.moveCamera(CameraUpdate.newLatLng(widget.latLng));
}
}
@override
Widget build(BuildContext context) {
super.build(context);
final accentHue = HSVColor.fromColor(Theme.of(context).accentColor).hue;
return Row(
children: [
Expanded(
child: GestureDetector(
onScaleStart: (details) {
// absorb scale gesture here to prevent scrolling
// and triggering by mistake a move to the image page above
},
child: ClipRRect(
borderRadius: BorderRadius.all(
Radius.circular(16),
),
child: Container(
color: Colors.white70,
height: 200,
child: GoogleMap(
// GoogleMap init perf issue: https://github.com/flutter/flutter/issues/28493
initialCameraPosition: CameraPosition(
target: widget.latLng,
zoom: widget.initialZoom,
),
onMapCreated: (controller) => setState(() => _controller = controller),
rotateGesturesEnabled: false,
scrollGesturesEnabled: false,
zoomControlsEnabled: false,
zoomGesturesEnabled: false,
liteModeEnabled: false,
tiltGesturesEnabled: false,
myLocationEnabled: false,
myLocationButtonEnabled: false,
markers: {
Marker(
markerId: MarkerId(widget.markerId),
icon: BitmapDescriptor.defaultMarkerWithHue(accentHue),
position: widget.latLng,
)
},
),
),
),
),
),
SizedBox(width: 8),
TooltipTheme(
data: TooltipTheme.of(context).copyWith(
preferBelow: false,
),
child: Column(children: [
IconButton(
icon: Icon(AIcons.zoomIn),
onPressed: _controller == null ? null : () => _zoomBy(1),
tooltip: 'Zoom in',
),
IconButton(
icon: Icon(AIcons.zoomOut),
onPressed: _controller == null ? null : () => _zoomBy(-1),
tooltip: 'Zoom out',
),
IconButton(
icon: Icon(AIcons.openInNew),
onPressed: () => AndroidAppService.openMap(widget.geoUri),
tooltip: 'Show on map...',
),
]),
)
],
);
}
void _zoomBy(double amount) {
settings.infoMapZoom += amount;
_controller.animateCamera(CameraUpdate.zoomBy(amount));
}
@override
bool get wantKeepAlive => true;
}