105 lines
3.9 KiB
JavaScript
105 lines
3.9 KiB
JavaScript
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class ScannerManager {
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constructor(container, options = {}) {
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this.container = container;
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this.socket = null;
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this.debug_count = 0;
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this.ts = options.ts;
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this.cx = options.cx;
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this.cy = options.cy;
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this.x = options.x;
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this.y = options.y;
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this.session = options.session;
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this.scan_bt = options.scan;
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this.halt_bt = options.halt;
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this.debug = options.debug;
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this.median = options.median;
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this.crop = options.crop;
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this.speed_px_s = options.speed_px_s;
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this.axial_speed = options.axial_speed;
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this.axial_pos = options.axial_pos;
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this.area_px = options.area_px;
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this.frame_count = options.frame_count;
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this.scan_state = options.scan_state;
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}
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init_controls() {
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this.median.addEventListener('click',(e) => { this._send({ type: 'calibrate', topic: "median" }); });
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this.crop.addEventListener('click', (e) => { this._send({ type: 'calibrate', topic: "crop" }); });
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this.scan_bt.addEventListener('click', (e) => { this.scan(); });
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this.halt_bt.addEventListener('click', (e) => { this.halt(); });
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}
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registerSocket(socket) {
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this.socket = socket;
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this.init_controls();
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}
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update(payload) {
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try {
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if (payload.jpeg) { this.container.src = `data:image/jpeg;base64,${payload.jpeg}`; }
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if (payload.xy) { this.x.textContent=payload.x.toFixed(2); this.y.textContent=payload.y.toFixed(2); }
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if (payload.state) { this.debug.insertAdjacentHTML('afterbegin', `<li>[ ${++this.debug_count} - ${payload.state} ]: ${payload.msg}</li>`); }
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if (payload.ts) { this.ts.textContent = timestampToLocalISOString(payload.ts); }
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if (payload.scan_state) { this.scan_state.textContent=payload.scan_state;}
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if (payload.detected && use_tracking) {
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this.cx.textContent = payload.cx; this.cy.textContent = payload.cy;
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this.speed_px_s.textContent = payload.speed_px_s;
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this.axial_speed.textContent = payload.axial_speed;
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this.axial_pos.textContent = payload.axial_pos;
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this.area_px.textContent = payload.area_px;
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this.frame_count.textContent = payload.count;
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}
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} catch(e) { console.log(e); }
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}
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init() { this.axes = 0; this.cropping = 1; this._send({ type: 'scanner', topic: "init", }); }
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scan() { this._send({ type: 'scanner', topic: "scan", session: this.session.value ? this.session.value: "0" }); }
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halt() { this._send({ type: 'calibrate', topic: "halt" }); }
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_send(message) { this.socket.send(message); }
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}
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class MetadataSocket {
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constructor(url) {
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this.url = url;
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this.ws = null;
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this.manager = null;
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this.reconnectDelay = 1000;
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this.shouldReconnect = true;
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this.reconnect = false;
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}
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setManager(manager) { this.manager = manager; }
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connect() {
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this.ws = new WebSocket(this.url);
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this.ws.onmessage = (event) => {
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const data = JSON.parse(event.data);
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this.manager.update(data);
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};
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this.ws.onopen = (event) => {
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if (this.manager && !this.reconnect)
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this.manager['init']();
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this.reconnect = false;
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};
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this.ws.onclose = () => {
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console.warn(`WebSocket closed...`);
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if (this.shouldReconnect) {
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this.reconnect = true;
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setTimeout(() => {
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console.log("Reconnect WebSocket...");
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this.connect();
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}, this.reconnectDelay);
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}
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};
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}
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send(obj) { if (this.ws?.readyState === WebSocket.OPEN) { this.ws.send(JSON.stringify(obj)); } }
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} |