departure point can be null
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@ -17,8 +17,8 @@ let gpxTrack = null;
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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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const y_aux = (point[0] - 2600000) / 1000000;
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const 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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@ -26,7 +26,7 @@ function toWGS84(point) {
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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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0.014 * 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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@ -35,8 +35,8 @@ function toWGS84(point) {
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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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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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}
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@ -48,7 +48,7 @@ function toWGS84(point) {
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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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const wgs84Point = toWGS84(point);
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return `<trkpt lat="${wgs84Point.lat}" lon="${wgs84Point.lon}"/>`;
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}
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@ -58,7 +58,7 @@ function toTrackPoint(point) {
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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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const 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>${point.altitude}</ele>
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@ -73,7 +73,6 @@ function toWayPoint(point) {
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* @returns Combined route number, id and route title.
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*/
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function trackTitle(geoJson) {
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const route = geoJson.segments[0];
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const book = geoJson.book_route_number
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? `${geoJson.book_route_number} - `
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: "";
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@ -88,18 +87,25 @@ 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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if (segment.geom == null) return "";
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return `<trkseg>
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const trackSegments = geoJson.segments
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.map((segment) => {
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if (segment.geom == null) return "";
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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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})
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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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const departurePoint = geoJson.departure_point
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? toWayPoint(geoJson.departure_point)
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: "";
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const endPoint = geoJson.end_point ? toWayPoint(geoJson.end_point) : "";
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const waypoints = geoJson.waypoints
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? geoJson.waypoints
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.map((wp) => {
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return toWayPoint(wp.reference_poi);
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})
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.join("")
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: "";
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const routeTitle = trackTitle(geoJson);
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@ -111,7 +117,7 @@ function toGpx(geoJson) {
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xsi:schemaLocation="http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd"
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version="1.0"
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creator="SAC-Tourenportal GPX Downloader">
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${toWayPoint(geoJson.departure_point)}
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${departurePoint}
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${toWayPoint(geoJson.destination_poi)}
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${waypoints}
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${endPoint}
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@ -123,7 +129,7 @@ function toGpx(geoJson) {
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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 xmlDoc = parser.parseFromString(xmlString, "text/xml");
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return new XMLSerializer().serializeToString(xmlDoc.documentElement);
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}
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@ -132,26 +138,26 @@ function toGpx(geoJson) {
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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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const filter = browser.webRequest.filterResponseData(details.requestId);
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const decoder = new TextDecoder("utf-8");
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const encoder = new TextEncoder();
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let data = [];
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const 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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const blob = new Blob(data, { type: "text/html" });
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const buffer = await blob.arrayBuffer();
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const str = decoder.decode(buffer);
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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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let geoJson = JSON.parse(str);
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const 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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@ -182,10 +188,10 @@ function handleClick(tab) {
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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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const blob = new Blob([gpxTrack.data], { type: "application/gpx+xml" });
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const objectURL = URL.createObjectURL(blob);
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let downloading = browser.downloads.download({
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const 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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@ -202,14 +208,14 @@ function handleClick(tab) {
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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 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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}
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let gettingActiveTab = browser.tabs.query({
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const gettingActiveTab = browser.tabs.query({
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active: true,
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currentWindow: true,
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});
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@ -1,19 +1,15 @@
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{
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"manifest_version": 2,
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"name": "SAC Route Portal GPX Downloader",
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"version": "0.7",
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"version": "0.8",
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"developer": {
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"name": "Sebastian Hugentobler",
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"url": "https://code.vanwa.ch/sebastian/sac-route-portal-gpx-fx"
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},
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"description": "Download gpx tracks from the sac route portal.",
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"icons": {
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"48": "icons/map.png"
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},
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"permissions": [
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"activeTab",
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"downloads",
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@ -21,13 +17,13 @@
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"webRequestBlocking",
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"https://www.sac-cas.ch/*"
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],
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"background": {
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"scripts": ["background.js"]
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"scripts": [
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"background.js"
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]
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},
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"browser_action": {
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"default_icon": "icons/map.png",
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"default_title": "To GPX"
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}
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}
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}
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