From f8e1126444e1a69c906af93d8995996bbee4fe86 Mon Sep 17 00:00:00 2001
From: Chandler Swift <chandler@chandlerswift.com>
Date: Mon, 29 Jan 2024 03:18:36 -0600
Subject: [PATCH] Add streams to 511mn layer

---
 layers/511mn/layer.js | 33 +++++++++++++++++++++++++++++++++
 main.js               | 17 +++++++++++++----
 package-lock.json     | 11 +++++++++++
 package.json          |  1 +
 4 files changed, 58 insertions(+), 4 deletions(-)

diff --git a/layers/511mn/layer.js b/layers/511mn/layer.js
index af140b4..0f7cfd7 100644
--- a/layers/511mn/layer.js
+++ b/layers/511mn/layer.js
@@ -2,6 +2,8 @@ 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';
 
@@ -21,4 +23,35 @@ const vectorLayer = new VectorLayer({
     }),
 });
 
+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 ${view.category}`);
+    }
+};
+
+vectorLayer.customPopupCallback = function(feature) {
+    const view = feature.values_.originalData.views[0];
+    if (view.category.toLowerCase() == "video") {
+        const video = document.getElementById('popupVideo');
+
+        const videoID = view.url.split('/').pop();
+
+        const videoSrc = `https://video.dot.state.mn.us/public/${videoID}.stream/playlist.m3u8`;
+        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;
+        }
+    }
+}
+
 export default vectorLayer;
diff --git a/main.js b/main.js
index aa623af..7ffa370 100644
--- a/main.js
+++ b/main.js
@@ -96,16 +96,25 @@ function objectToTable(o) {
 
 // from https://openlayers.org/en/latest/examples/icon.html
 map.on('click', function (evt) {
-  const feature = map.forEachFeatureAtPixel(evt.pixel, function (feature) {
+  let layer;
+  const feature = map.forEachFeatureAtPixel(evt.pixel, function (feature, l) {
+    layer = l;
     return feature;
   });
   if (!feature) {
     return;
   }
+  if (layer.hasOwnProperty('customPopup')) {
+    content.innerHTML = layer.customPopup(feature);
+    if (layer.hasOwnProperty('customPopupCallback')) {
+      layer.customPopupCallback(feature);
+    }
+  } else {
+    // exclude geometry -- https://stackoverflow.com/a/208106
+    const {geometry: _, ...featureData} = feature.values_;
 
-  // exclude geometry -- https://stackoverflow.com/a/208106
-  const {geometry: _, ...featureData} = feature.values_;
+    content.innerHTML = objectToTable(featureData);
+  }
 
-  content.innerHTML = objectToTable(featureData);
   popupOverlay.setPosition(evt.coordinate);
 });
diff --git a/package-lock.json b/package-lock.json
index 280a28c..dd6050d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,6 +8,7 @@
       "name": "maps.chandlerswift.com",
       "version": "0.0.0",
       "dependencies": {
+        "hls.js": "^1.5.2",
         "ol": "latest",
         "proj4": "2.9.0"
       },
@@ -490,6 +491,11 @@
         "node": ">=10.19"
       }
     },
+    "node_modules/hls.js": {
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/hls.js/-/hls.js-1.5.2.tgz",
+      "integrity": "sha512-MJtx9GbfO1We1N6Zx5JbxdIAGLQWKPss56YzkR45GIdVcz+jBQVbLBZnsANpQpECvRBWZUcg9opEDo1biG/qVA=="
+    },
     "node_modules/ieee754": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
@@ -1057,6 +1063,11 @@
         "xml-utils": "^1.0.2"
       }
     },
+    "hls.js": {
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/hls.js/-/hls.js-1.5.2.tgz",
+      "integrity": "sha512-MJtx9GbfO1We1N6Zx5JbxdIAGLQWKPss56YzkR45GIdVcz+jBQVbLBZnsANpQpECvRBWZUcg9opEDo1biG/qVA=="
+    },
     "ieee754": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
diff --git a/package.json b/package.json
index fe63e78..1933f6b 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
     "vite": "^4.3.9"
   },
   "dependencies": {
+    "hls.js": "^1.5.2",
     "ol": "latest",
     "proj4": "2.9.0"
   }