maps.chandlerswift.com/layers/dot-cams/castle-rock/index.js

76 lines
2.4 KiB
JavaScript

import VectorLayer from 'ol/layer/Vector';
import {Vector as VectorSource} from 'ol/source.js';
import GeoJSON from 'ol/format/GeoJSON.js';
import Hls from 'hls.js';
import {Style} from 'ol/style.js';
import Icon from 'ol/style/Icon.js';
import states from './data/states.js';
import pin from './pin.svg?url'; // TODO: remove `?url`?
// https://en.wikipedia.org/wiki/Department_of_transportation#List_of_U.S._state_and_insular_area_departments_of_transportation
const dot_names = {
mn: "Minnesota: MNDOT/511MN",
ia: "Iowa: Iowa DOT/511IA",
wi: "Wisconsin: WisDOT/511WI",
co: "Colorado: CDOT/COtrip",
ks: "Kansas: KDOT/KanDrive",
ne: "Nebraska: NDOT/Nebraska 511",
ma: "Massachusetts: MassDOT/Mass511",
}
let vectorLayers = []
for (let [state, url] of Object.entries(states)) {
const vectorLayer = new VectorLayer({
source: new VectorSource({
url: url,
format: new GeoJSON,
}),
style: new Style({
image: new Icon({
anchor: [0.5, 1],
src: pin,
}),
}),
});
vectorLayer.customPopup = function(feature) {
const view = feature.values_.originalData.views[0];
if (view.category.toLowerCase() == "video") {
return `<video style="max-width: 80vw; max-height: 80vh;" id="popupVideo" autoplay controls></video>`;
} else if (view.category.toLowerCase() == "image") {
return `<img style="max-width: 80vw; max-height: 80vh;" src="${view.url}">`;
} else {
throw new Exception(`unknown category ${view.category}`);
}
};
vectorLayer.customPopupCallback = function(feature) {
const view = feature.values_.originalData.views[0];
if (view.category.toLowerCase() == "video") {
const video = document.getElementById('popupVideo');
const videoSrc = view.sources[0].src;
if (Hls.isSupported()) {
var hls = new Hls();
hls.loadSource(videoSrc);
hls.attachMedia(video);
}
// iDevice support, untested (only works in Safari; required for iPhones)
else if (video.canPlayType('application/vnd.apple.mpegurl')) {
video.src = videoSrc;
}
}
}
vectorLayers.push({
name: dot_names[state] ?? state,
layer: vectorLayer,
});
}
export default vectorLayers;