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[federated_plugin_sample] modify the sample to expose battery API instead of geolocation API (#526)

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This commit is contained in:
Ayush Bherwani
2020-08-25 11:52:42 +05:30
committed by GitHub
parent 033ae11733
commit 60691d00c0
17 changed files with 116 additions and 211 deletions
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31
experimental/federated_plugin/federated_plugin_web/lib/federated_plugin_web.dart
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@@ -5,17 +5,17 @@
import 'dart:html' as html;
import 'package:federated_plugin_platform_interface/federated_plugin_platform_interface.dart';
import 'package:federated_plugin_platform_interface/location_model.dart';
import 'package:flutter/services.dart';
import 'package:flutter_web_plugins/flutter_web_plugins.dart';
/// Web Implementation of [FederatedPluginInterface] to provide location.
/// Web Implementation of [FederatedPluginInterface] to retrieve current battery
/// level of device.
class FederatedPlugin extends FederatedPluginInterface {
final html.Geolocation _geolocation;
final html.Navigator _navigator;
/// Constructor to override the geolocation object for testing purpose.
FederatedPlugin({html.Geolocation geolocation})
: _geolocation = geolocation ?? html.window.navigator.geolocation;
/// Constructor to override the navigator object for testing purpose.
FederatedPlugin({html.Navigator navigator})
: _navigator = navigator ?? html.window.navigator;
/// Method to register the plugin which sets [FederatedPlugin] to be the default
/// instance of [FederatedPluginInterface].
@@ -23,21 +23,20 @@ class FederatedPlugin extends FederatedPluginInterface {
FederatedPluginInterface.instance = FederatedPlugin();
}
/// Returns [Location] to provide latitude and longitude.
/// Returns the current battery level of device.
///
/// If any error, it's assume that user has denied the permission forever.
/// If any error, it's assume that the BatteryManager API is not supported by
/// browser.
@override
Future<Location> getLocation() async {
Future<int> getBatteryLevel() async {
try {
final geoPosition = await _geolocation.getCurrentPosition();
return Location(
longitude: geoPosition.coords.longitude.toDouble(),
latitude: geoPosition.coords.latitude.toDouble(),
);
final battery = await _navigator.getBattery() as html.BatteryManager;
// The battery level retrieved is in range of 0.0 to 1.0.
return battery.level * 100 as int;
} catch (error) {
throw PlatformException(
code: 'PERMISSION_DENIED',
message: 'Permission denied from User',
code: 'STATUS_UNAVAILABLE',
message: 'The plugin is not supported by the browser.',
details: null,
);
}