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Author: WiFuchs

src/annotator/guest.js

@@ -474,7 +474,7 @@ export default class Guest extends Delegator {
 
       const highlights = /** @type {AnnotationHighlight[]} */ (highlightRange(
         range,
-        Math.random() * (6 - 1) + 1
+        annotation.$color
       ));
       highlights.forEach(h => {
         h._annotation = anchor.annotation;

src/annotator/highlighter.js

@@ -212,13 +212,13 @@ function wholeTextNodesInRange(range) {
  * element of the specified class and returns the highlight Elements.
  *
  * @param {Range} range - Range to be highlighted
- * @param {Number} colorNum - number to index color list
+ * @param {String} color - What color to display the annotation in
  * @param {string} cssClass - A CSS class to use for the highlight
  * @return {HighlightElement[]} - Elements wrapping text in `normedRange` to add a highlight effect
  */
 export function highlightRange(
   range,
-  colorNum,
+  color,
   cssClass = 'hypothesis-highlight'
 ) {
   const textNodes = wholeTextNodesInRange(range);
@@ -265,11 +265,7 @@ export function highlightRange(
     /** @type {HighlightElement} */
     const highlightEl = document.createElement('hypothesis-highlight');
     highlightEl.className = cssClass;
-    //here is where we can call another function to get the color for the user
-    //color-->index number in the 'user-color' class
-    if (colorNum !== -1) {
-      highlightEl.classList.toggle('user-color' + Math.round(colorNum), true);
-    }
+    highlightEl.style.backgroundColor = color;
 
     nodes[0].parentNode.replaceChild(highlightEl, nodes[0]);
     nodes.forEach(node => highlightEl.appendChild(node));

src/sidebar/components/SidebarView.js

@@ -56,7 +56,6 @@ function SidebarView({
   const searchUris = store.searchUris();
   const sidebarHasOpened = store.hasSidebarOpened();
   const userId = store.profile().userid;
-  //WILLNOTE we can use this to hide/show for this user!
 
   // The local `$tag` of a direct-linked annotation; populated once it
   // has anchored: meaning that it's ready to be focused and scrolled to

src/sidebar/services/frame-sync.js

@@ -14,12 +14,20 @@ import { watch } from '../util/watch';
  * within the current session and anchor it in the document.
  */
 export function formatAnnot(ann) {
+  function hashColor(s) {
+    let h = 0;
+    for (let i = 0; i < s.length; i++)
+      {h = (Math.imul(31, h) + s.charCodeAt(i)) | 0;}
+
+    return `#${Math.abs(h).toString(16).padStart(6, '0').substr(0, 6)}`;
+  }
   return {
     tag: ann.$tag,
     msg: {
       document: ann.document,
       target: ann.target,
       uri: ann.uri,
+      $color: hashColor(ann.user),
     },
   };
 }

src/sidebar/store/modules/annotations.js

@@ -86,7 +86,7 @@ function initializeAnnotation(annotation, tag) {
     $anchorTimeout: false,
     $tag: annotation.$tag || tag,
     $orphan: orphan,
-    $doodle: annotation.$doodle,
+    $user: annotation.user,
   });
 }
 

src/types/annotator.js

@@ -31,6 +31,7 @@
  * @prop {string} uri
  * @prop {Target[]} target
  * @prop {string} $tag
+ * @prop {string} $color - What color to display the highlight in? This corresponds to the user who created the annotation.
  * @prop {boolean} [$doodle] -
  *   Flag indicating that this annotation is a doodle
  * @prop {DoodleLine[]} [doodleLines] -