| 1 | import { SyntheticPlatformEmitter } from '@unimodules/core';
|
| 2 | import { isSensorEnabledAsync, assertSensorEventEnabledAsync, } from './utils/isSensorEnabledAsync.web';
|
| 3 | const scalar = Math.PI / 180;
|
| 4 | const eventName = 'deviceorientation';
|
| 5 | export default {
|
| 6 | get name() {
|
| 7 | return 'ExponentAccelerometer';
|
| 8 | },
|
| 9 | async isAvailableAsync() {
|
| 10 | if (typeof DeviceOrientationEvent === 'undefined') {
|
| 11 | return false;
|
| 12 | }
|
| 13 | return await isSensorEnabledAsync(eventName);
|
| 14 | },
|
| 15 | _handleMotion({ alpha, beta, gamma }) {
|
| 16 | SyntheticPlatformEmitter.emit('accelerometerDidUpdate', {
|
| 17 | x: gamma * scalar,
|
| 18 | y: beta * scalar,
|
| 19 | z: alpha * scalar,
|
| 20 | });
|
| 21 | },
|
| 22 | startObserving() {
|
| 23 | assertSensorEventEnabledAsync(eventName);
|
| 24 | window.addEventListener(eventName, this._handleMotion);
|
| 25 | },
|
| 26 | stopObserving() {
|
| 27 | window.removeEventListener(eventName, this._handleMotion);
|
| 28 | },
|
| 29 | };
|
| 30 | |
| \ | No newline at end of file |