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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | 1x 1x 1x 5x 4x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 4x | import React from 'react';
import Immutable from 'immutable';
import {SiDeviceAddEvent, ISiDeviceDriverWithAutodetection, SiDeviceRemoveEvent} from 'sportident/lib/SiDevice/ISiDeviceDriver';
import {ISiDevice, ISiDeviceDriverData} from 'sportident/lib/SiDevice/ISiDevice';
export const useSiDevices = <T extends ISiDeviceDriverData<unknown>>(
siDeviceDriver: ISiDeviceDriverWithAutodetection<T>,
): Immutable.Map<string, ISiDevice<T>> => {
const [siDevices, setSiDevices] = React.useState(Immutable.Map({}));
React.useEffect(() => {
const onDeviceAdd = (event: SiDeviceAddEvent<T>) => {
const device = event.siDevice;
setSiDevices((currentSiDevices) => {
if (!currentSiDevices.has(device.ident)) {
console.log('useSiDevices: add');
return currentSiDevices.set(device.ident, device);
}
return currentSiDevices;
});
};
const onDeviceRemove = (event: SiDeviceRemoveEvent<T>) => {
const device = event.siDevice;
setSiDevices((currentSiDevices) => {
if (currentSiDevices.has(device.ident)) {
console.log('useSiDevices: remove');
return currentSiDevices.delete(device.ident);
}
return currentSiDevices;
});
};
siDeviceDriver.addEventListener('add', onDeviceAdd);
siDeviceDriver.addEventListener('remove', onDeviceRemove);
siDeviceDriver.startAutoDetection().then((devices) => {
setSiDevices((currentSiDevices) => {
const existingIdentSet = Immutable.Set.fromKeys(currentSiDevices);
const newIdentSet = Immutable.Set(devices.map((device) => device.ident));
if (!newIdentSet.equals(existingIdentSet)) {
console.log('useSiDevices: reset');
return Immutable.Map(devices.map((device) => [device.ident, device]));
}
return currentSiDevices;
});
});
console.log('useSiDevices: setup');
return () => {
console.log('useSiDevices: cleanup');
siDeviceDriver.stopAutoDetection();
siDeviceDriver.removeEventListener('add', onDeviceAdd);
siDeviceDriver.removeEventListener('remove', onDeviceRemove);
};
}, []);
return siDevices as Immutable.Map<string, ISiDevice<T>>;
};
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