Highlight segment on hover

public/content.css

@@ -49,7 +49,13 @@ div:hover > #previewbar.sbNotInvidious {
 }
 
 .previewbar.requiredSegment {
-	transform: scaleY(3)
+	transform: scaleY(3);
+}
+
+.previewbar.selectedSegment {
+	opacity: 1 !important;
+	z-index: 100;
+	transform: scaleY(1.5);
 }
 
 /* Make sure settings are upfront */

src/content.ts

@@ -110,6 +110,7 @@ const skipNotices: SkipNotice[] = [];
 let activeSkipKeybindElement: ToggleSkippable = null;
 let retryFetchTimeout: NodeJS.Timeout = null;
 let shownSegmentFailedToFetchWarning = false;
+let selectedSegment: SegmentUUID | null = null;
 
 // JSON video info
 let videoInfo: VideoInfo = null;
@@ -300,6 +301,10 @@ function messageListener(request: Message, sender: unknown, sendResponse: (respo
         case "reskip":
             reskipSponsorTime(sponsorTimes.find((segment) => segment.UUID === request.UUID), true);
             break;
+        case "selectSegment":
+            selectedSegment = request.UUID;
+            updatePreviewBar();
+            break;
         case "submitVote":
             vote(request.type, request.UUID).then((response) => sendResponse(response));
             return true;
@@ -1369,7 +1374,8 @@ function updatePreviewBar(): void {
                 showLarger: segment.actionType === ActionType.Poi,
                 description: segment.description,
                 source: segment.source,
-                requiredSegment: requiredSegment && (segment.UUID === requiredSegment || segment.UUID.startsWith(requiredSegment))
+                requiredSegment: requiredSegment && (segment.UUID === requiredSegment || segment.UUID.startsWith(requiredSegment)),
+                selectedSegment: selectedSegment && segment.UUID === selectedSegment
             });
         });
     }

src/js-components/previewBar.ts

@@ -27,6 +27,7 @@ export interface PreviewBarSegment {
     description: string;
     source: SponsorSourceType;
     requiredSegment?: boolean;
+    selectedSegment?: boolean;
 }
 
 interface ChapterGroup extends SegmentContainer {
@@ -332,6 +333,7 @@ class PreviewBar {
         const bar = document.createElement('li');
         bar.classList.add('previewbar');
         if (barSegment.requiredSegment) bar.classList.add("requiredSegment");
+        if (barSegment.selectedSegment) bar.classList.add("selectedSegment");
         bar.innerHTML = showLarger ? '  ' : ' ';
 
         const fullCategoryName = (unsubmitted ? 'preview-' : '') + category;

src/messageTypes.ts

@@ -31,7 +31,7 @@ interface IsInfoFoundMessage {
 }
 
 interface SkipMessage {
-    message: "unskip" | "reskip";
+    message: "unskip" | "reskip" | "selectSegment";
     UUID: SegmentUUID;
 }
 

src/popup.ts

@@ -687,6 +687,8 @@ async function runThePopup(messageListener?: MessageListener): Promise<void> {
                 : chrome.i18n.getMessage("skipSegment");
             skipButton.addEventListener("click", () => skipSegment(actionType, UUID, skipButton));
             votingButtons.addEventListener("dblclick", () => skipSegment(actionType, UUID));
+            votingButtons.addEventListener("dblclick", () => skipSegment(actionType, UUID));
+            votingButtons.addEventListener("mouseenter", () => selectSegment(UUID));
 
             //add thumbs up, thumbs down and uuid copy buttons to the container
             voteButtonsContainer.appendChild(upvoteButton);
@@ -718,6 +720,8 @@ async function runThePopup(messageListener?: MessageListener): Promise<void> {
 
             container.appendChild(votingButtons);
         }
+
+        container.addEventListener("mouseleave", () => selectSegment(null));
     }
 
     function submitTimes() {
@@ -968,6 +972,13 @@ async function runThePopup(messageListener?: MessageListener): Promise<void> {
         }
     }
 
+    function selectSegment(UUID: SegmentUUID | null): void {
+        sendTabMessage({
+            message: "selectSegment",
+            UUID: UUID
+        });
+    }
+
     /**
      * Should skipping be disabled (visuals stay)
      */