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Caching for get smallest segment

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This commit is contained in:
Ajay
2022-12-11 13:19:37 -05:00
parent 283ec50388
commit 41a25720d0
1 changed files with 30 additions and 8 deletions
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38
src/js-components/previewBar.ts
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@@ -38,6 +38,10 @@ class PreviewBar {
categoryTooltip?: HTMLDivElement;
categoryTooltipContainer?: HTMLElement;
chapterTooltip?: HTMLDivElement;
lastSmallestSegment: Record<string, {
index: number;
segment: PreviewBarSegment;
}> = {};
parent: HTMLElement;
onMobileYouTube: boolean;
@@ -121,7 +125,6 @@ class PreviewBar {
if (!mouseOnSeekBar || !this.categoryTooltip || !this.categoryTooltipContainer) return;
// Only care about mutations to time tooltip
console.log(mutations)
if (!mutations.some((mutation) => (mutation.target as HTMLElement).classList.contains("ytp-tooltip-text"))) {
return;
}
@@ -151,8 +154,8 @@ class PreviewBar {
const [normalSegments, chapterSegments] =
partition(this.segments.filter((s) => s.source !== SponsorSourceType.YouTube),
(segment) => segment.actionType !== ActionType.Chapter);
let mainSegment = this.getSmallestSegment(timeInSeconds, normalSegments);
let secondarySegment = this.getSmallestSegment(timeInSeconds, chapterSegments);
let mainSegment = this.getSmallestSegment(timeInSeconds, normalSegments, "normal");
let secondarySegment = this.getSmallestSegment(timeInSeconds, chapterSegments, "chapter");
if (mainSegment === null && secondarySegment !== null) {
mainSegment = secondarySegment;
secondarySegment = this.getSmallestSegment(timeInSeconds, chapterSegments.filter((s) => s !== secondarySegment));
@@ -174,7 +177,6 @@ class PreviewBar {
if (normalizeChapterName(originalTooltip.textContent) === normalizeChapterName(this.categoryTooltip.textContent)
|| normalizeChapterName(originalTooltip.textContent) === normalizeChapterName(this.chapterTooltip.textContent)) {
console.log("Hiding original tooltip")
if (originalTooltip.style.display !== "none") originalTooltip.style.display = "none";
noYoutubeChapters = true;
} else if (originalTooltip.style.display === "none") {
@@ -920,11 +922,18 @@ class PreviewBar {
return this.videoDuration * (showLarger ? 0.006 : 0.003);
}
private getSmallestSegment(timeInSeconds: number, segments: PreviewBarSegment[]): PreviewBarSegment | null {
let segment: PreviewBarSegment | null = null;
let currentSegmentLength = Infinity;
// Name used for cache
private getSmallestSegment(timeInSeconds: number, segments: PreviewBarSegment[], name?: string): PreviewBarSegment | null {
const proposedIndex = name ? this.lastSmallestSegment[name]?.index : null;
const startSearchIndex = proposedIndex && segments[proposedIndex] === this.lastSmallestSegment[name].segment ? proposedIndex : 0;
const direction = startSearchIndex > 0 && timeInSeconds < this.lastSmallestSegment[name].segment.segment[0] ? -1 : 1;
for (const seg of segments) { //
let segment: PreviewBarSegment | null = null;
let index = -1;
let currentSegmentLength = Infinity;
for (let i = startSearchIndex; i < segments.length && i >= 0; i += direction) {
const seg = segments[i];
const segmentLength = seg.segment[1] - seg.segment[0];
const minSize = this.getMinimumSize(seg.showLarger);
@@ -934,8 +943,21 @@ class PreviewBar {
if (segmentLength < currentSegmentLength) {
currentSegmentLength = segmentLength;
segment = seg;
index = i;
}
}
if ((direction === 1 && timeInSeconds > seg.segment[1])
|| (direction === -1 && timeInSeconds < seg.segment[0])) {
break;
}
}
if (segment) {
this.lastSmallestSegment[name] = {
index: index,
segment: segment
};
}
return segment;