unify formatting
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BB32CF3CA052C2F0
208
background.js
208
background.js
@ -16,29 +16,29 @@ let gpxTrack = null;
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* @returns Calculated lat and lon.
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*/
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function toWGS84(point) {
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// convert LV95 into the civilian system
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let y_aux = (point[0] - 2600000)/1000000;
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let x_aux = (point[1] - 1200000)/1000000;
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// convert LV95 into the civilian system
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let y_aux = (point[0] - 2600000) / 1000000;
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let x_aux = (point[1] - 1200000) / 1000000;
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// calculate longitude and latitude in the unit 10000"
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let lat = 16.9023892 +
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3.238272 * x_aux -
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0.270978 * Math.pow(y_aux, 2) -
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0.002528 * Math.pow(x_aux, 2) -
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0.0447 * Math.pow(y_aux, 2) * x_aux -
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0.0140 * Math.pow(x_aux, 3);
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// calculate longitude and latitude in the unit 10000"
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let lat = 16.9023892 +
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3.238272 * x_aux -
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0.270978 * Math.pow(y_aux, 2) -
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0.002528 * Math.pow(x_aux, 2) -
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0.0447 * Math.pow(y_aux, 2) * x_aux -
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0.0140 * Math.pow(x_aux, 3);
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let lon = 2.6779094 +
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4.728982 * y_aux +
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0.791484 * y_aux * x_aux +
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0.1306 * y_aux * Math.pow(x_aux, 2) -
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0.0436 * Math.pow(y_aux, 3);
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let lon = 2.6779094 +
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4.728982 * y_aux +
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0.791484 * y_aux * x_aux +
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0.1306 * y_aux * Math.pow(x_aux, 2) -
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0.0436 * Math.pow(y_aux, 3);
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// unit 10000" to 1" and seconds to degrees (dec)
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lat = lat * 100 / 36;
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lon = lon * 100 / 36;
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// unit 10000" to 1" and seconds to degrees (dec)
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lat = lat * 100 / 36;
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lon = lon * 100 / 36;
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return {lat: lat, lon: lon};
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return { lat: lat, lon: lon };
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}
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/**
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@ -47,9 +47,9 @@ function toWGS84(point) {
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* @param {*} point Array of Swiss projection coordinates, position 0 is E and 1 is N.
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* @returns Track point xml node for gpx.
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*/
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function toTrackPoint(point) {
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let wgs84Point = toWGS84(point);
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return `<trkpt lat="${wgs84Point.lat}" lon="${wgs84Point.lon}"/>`;
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function toTrackPoint(point) {
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let wgs84Point = toWGS84(point);
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return `<trkpt lat="${wgs84Point.lat}" lon="${wgs84Point.lon}"/>`;
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}
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/**
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@ -57,9 +57,9 @@ function toWGS84(point) {
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*
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* @returns Way point xml node for gpx.
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*/
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function toWayPoint(point) {
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let wgs84Point = toWGS84(point.geom.coordinates);
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return `
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function toWayPoint(point) {
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let wgs84Point = toWGS84(point.geom.coordinates);
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return `
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<wpt lat="${wgs84Point.lat}" lon="${wgs84Point.lon}">
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<ele>${point.altitude}</ele>
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<name>${point.display_name}</name>
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@ -73,10 +73,12 @@ function toWGS84(point) {
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* @returns Combined route number, id and route title.
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*/
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function trackTitle(geoJson) {
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const route = geoJson.segments[0];
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const book = geoJson.book_route_number ? `${geoJson.book_route_number} - ` : "";
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const route = geoJson.segments[0];
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const book = geoJson.book_route_number
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? `${geoJson.book_route_number} - `
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: "";
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return `${book}${geoJson.title}`;
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return `${book}${geoJson.title}`;
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}
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/**
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@ -86,20 +88,22 @@ function trackTitle(geoJson) {
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* @returns Simple gpx string.
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*/
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function toGpx(geoJson) {
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let trackSegments = geoJson.segments.map(segment => {
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return `<trkseg>
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let trackSegments = geoJson.segments.map((segment) => {
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return `<trkseg>
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${segment.geom.coordinates.map(toTrackPoint).join("")}
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</trkseg>`;
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}).join("");
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}).join("");
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let endPoint = geoJson.end_point ? toWayPoint(geoJson.end_point) : "";
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let waypoints = geoJson.waypoints ? geoJson.waypoints.map(wp => {
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return toWayPoint(wp.reference_poi);
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}).join("") : "";
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let endPoint = geoJson.end_point ? toWayPoint(geoJson.end_point) : "";
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let waypoints = geoJson.waypoints
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? geoJson.waypoints.map((wp) => {
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return toWayPoint(wp.reference_poi);
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}).join("")
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: "";
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const routeTitle = trackTitle(geoJson);
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const routeTitle = trackTitle(geoJson);
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const xmlString = `<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
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const xmlString = `<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
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<gpx xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://www.topografix.com/GPX/1/0"
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@ -117,41 +121,41 @@ function toGpx(geoJson) {
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</gpx>
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`;
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const parser = new DOMParser();
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let xmlDoc = parser.parseFromString(xmlString, "text/xml");
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const parser = new DOMParser();
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let xmlDoc = parser.parseFromString(xmlString, "text/xml");
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return new XMLSerializer().serializeToString(xmlDoc.documentElement);
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return new XMLSerializer().serializeToString(xmlDoc.documentElement);
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}
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/**
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* Intercept the download of GeoJSON data and save it for the background script.
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*/
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function listener(details) {
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let filter = browser.webRequest.filterResponseData(details.requestId);
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let decoder = new TextDecoder("utf-8");
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let encoder = new TextEncoder();
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let filter = browser.webRequest.filterResponseData(details.requestId);
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let decoder = new TextDecoder("utf-8");
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let encoder = new TextEncoder();
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let data = [];
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filter.ondata = event => {
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data.push(event.data);
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};
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let data = [];
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filter.ondata = (event) => {
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data.push(event.data);
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};
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filter.onstop = async event => {
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let blob = new Blob(data, {type: 'text/html'});
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let buffer = await blob.arrayBuffer();
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let str = decoder.decode(buffer);
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filter.onstop = async (event) => {
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let blob = new Blob(data, { type: "text/html" });
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let buffer = await blob.arrayBuffer();
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let str = decoder.decode(buffer);
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updateActiveTab(browser.tabs);
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updateActiveTab(browser.tabs);
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filter.write(encoder.encode(str));
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filter.close();
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filter.write(encoder.encode(str));
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filter.close();
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let geoJson = JSON.parse(str);
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const routeTitle = trackTitle(geoJson);
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gpxTrack = {title: routeTitle, data: toGpx(geoJson)};
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};
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let geoJson = JSON.parse(str);
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const routeTitle = trackTitle(geoJson);
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gpxTrack = { title: routeTitle, data: toGpx(geoJson) };
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};
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return {};
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return {};
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}
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/**
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@ -161,76 +165,84 @@ function listener(details) {
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* @returns True if the active tab is an sac website, false otherwise.
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*/
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function checkTrack(tab) {
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if (!tab.url) {
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return false;
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}
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if (!tab.url) {
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return false;
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}
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return tab.url.match("https://www.sac-cas.ch/.*") && gpxTrack;
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return tab.url.match("https://www.sac-cas.ch/.*") && gpxTrack;
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}
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/**
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* If a valid tack was selected, download it as a gpx file.
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*/
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function handleClick(tab) {
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const hasTrack = checkTrack(tab);
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if (!hasTrack) {
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return;
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}
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const hasTrack = checkTrack(tab);
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if (!hasTrack) {
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return;
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}
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let blob = new Blob([gpxTrack.data], {type: "application/gpx+xml"});
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let objectURL = URL.createObjectURL(blob);
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let blob = new Blob([gpxTrack.data], { type: "application/gpx+xml" });
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let objectURL = URL.createObjectURL(blob);
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let downloading = browser.downloads.download({
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url : objectURL,
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filename : `${gpxTrack.title}.gpx`,
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saveAs: true,
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conflictAction : 'uniquify'
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});
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let downloading = browser.downloads.download({
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url: objectURL,
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filename: `${gpxTrack.title}.gpx`,
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saveAs: true,
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conflictAction: "uniquify",
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});
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downloading.then(
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(id) => console.log(`Started downloading: ${id}`),
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(error) => console.log(`Download failed: ${error}`));
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gpxTrack = null;
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downloading.then(
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(id) => console.log(`Started downloading: ${id}`),
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(error) => console.log(`Download failed: ${error}`),
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);
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gpxTrack = null;
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}
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/**
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* Update the download icon and text.
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*/
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function updateActiveTab(tabs) {
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function updateTab(tabs) {
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if (tabs[0]) {
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updateIcon(tabs[0]);
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}
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function updateTab(tabs) {
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if (tabs[0]) {
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updateIcon(tabs[0]);
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}
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}
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let gettingActiveTab = browser.tabs.query({active: true, currentWindow: true});
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gettingActiveTab.then(updateTab);
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let gettingActiveTab = browser.tabs.query({
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active: true,
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currentWindow: true,
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});
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gettingActiveTab.then(updateTab);
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}
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/**
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* Update the download icon.
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*/
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function updateIcon(tab) {
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const hasTrack = checkTrack(tab);
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const hasTrack = checkTrack(tab);
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browser.browserAction.setIcon({
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path: hasTrack ? {
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browser.browserAction.setIcon({
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path: hasTrack
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? {
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48: "icons/map.png",
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} : {
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}
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: {
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48: "icons/map-disabled.png",
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},
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tabId: tab.id
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});
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browser.browserAction.setTitle({
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title: hasTrack ? `Download track "${gpxTrack.title}"` : 'No track selected',
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tabId: tab.id
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});
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tabId: tab.id,
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});
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browser.browserAction.setTitle({
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title: hasTrack
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? `Download track "${gpxTrack.title}"`
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: "No track selected",
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tabId: tab.id,
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});
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}
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browser.webRequest.onBeforeRequest.addListener(
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listener,
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{urls: ["https://www.sac-cas.ch/*[routeId]*"]},
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["blocking"]
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listener,
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{ urls: ["https://www.sac-cas.ch/*[routeId]*"] },
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["blocking"],
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);
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browser.browserAction.onClicked.addListener(handleClick);
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