@iotize/ionic
Version:
Iotize specific building blocks on top of @ionic/angular.
79 lines • 11.1 kB
JavaScript
import { inject, Injectable } from '@angular/core';
import { Platform } from '@ionic/angular';
import { merge, Subject } from 'rxjs';
import { filter, map, share } from 'rxjs/operators';
import { NfcService } from './nfc-service.service';
import * as i0 from "@angular/core";
import * as i1 from "./nfc-service.service";
export class TapScannerNfcService {
nfcService;
platform = inject(Platform);
_iosMockTapEvent = new Subject();
/**
* TODO refractor
*/
tapEvent;
isStartScanAvailable = this.platform.is('ios');
constructor(nfcService) {
this.nfcService = nfcService;
this.tapEvent = merge(this._iosMockTapEvent,
// TODO fix: tagDiscoveredEvents not listened
this.nfcService.tagDiscoveredEvents.pipe(filter((event) => isIoTizeTapTag(event.tag)), map((event) => {
return {
tag: event.tag,
tap: undefined,
};
}), share()),
// NFC tap devices already initialized
this.nfcService.tapDeviceDiscoveredEvent.pipe(filter((event) => {
if (!event.tag || !event.tap) {
return false;
}
return true;
}), share()));
}
async listenToNfcTaps() {
await this.nfcService.setupTapDeviceDiscoveredListener();
await this.nfcService.setupNdefListener();
}
async init() {
if (this.platform.is('android')) {
await this.nfcService.setupTapDeviceDiscoveredListener();
}
}
start() {
if (this.isStartScanAvailable) {
this.nfcService.beginSessionFromTech('NfcV', 'Bring your phone close to the Tap');
}
}
/** @nocollapse */ static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.14", ngImport: i0, type: TapScannerNfcService, deps: [{ token: i1.NfcService }], target: i0.ɵɵFactoryTarget.Injectable });
/** @nocollapse */ static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.14", ngImport: i0, type: TapScannerNfcService, providedIn: 'root' });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.14", ngImport: i0, type: TapScannerNfcService, decorators: [{
type: Injectable,
args: [{
providedIn: 'root',
}]
}], ctorParameters: () => [{ type: i1.NfcService }] });
/**
* Try to guess if it's an IoTize Tap NFC tag
* Examples:
* Not IoTize Tag: {"isTrusted":false,"tag":{"id":[-77,-84,-7,-55,2,36,2,-32],"techTypes":["android.nfc.tech.NfcV","android.nfc.tech.NdefFormatable"]}}
* IoTize Tag: {"id":[60,-91,-67,-79,0,36,2,-32],"techTypes":["android.nfc.tech.NfcV","android.nfc.tech.Ndef"],"type":"android.ndef.unknown","maxSize":102,"isWritable":false,"ndefMessage":[{"tnf":1,"type":[85],"id":[],"payload":[0,104,116,116,112,115,58,47,47,119,119,119,46,105,111,116,105,122,101,46,99,111,109]},{"tnf":4,"type":[97,110,100,114,111,105,100,46,99,111,109,58,112,107,103],"id":[],"payload":[99,111,109,46,105,111,116,105,122,101,46,97,112,112,46,115,101,110,115,111,114,100,101,109,111]},{"tnf":5,"type":[],"id":[],"payload":[64,32,-16,-100,-43,-77,112]},{"tnf":1,"type":[84],"id":[],"payload":[0,83,101,110,115,111,114,32,100,101,109,111,95,48,49,48,49,70]}],"canMakeReadOnly":false}
* @param tag
* @returns
*/
function isIoTizeTapTag(tag) {
if (!tag) {
return false;
}
const hasNfc5 = !!tag.techTypes?.find((tech) => tech.endsWith('NfcV'));
if (!hasNfc5) {
return false;
}
if (!tag.ndefMessage?.length) {
return false;
}
return true;
}
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