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Calculate percentage every update (as opposed to every page change)

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This commit is contained in:
CloudHill 2020-10-20 22:56:19 +07:00
parent 980528699e
commit 1e4d0e077a
1 changed files with 17 additions and 13 deletions
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30
mods/scroll-to-top/mod.js
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@ -67,6 +67,8 @@ module.exports = {
})
let queue = [];
let scroller = document.querySelector('.notion-frame > .notion-scroller');
const observer = new MutationObserver((list, observer) => {
if (!queue.length) requestAnimationFrame(() => process(queue));
queue.push(...list);
@ -77,6 +79,14 @@ module.exports = {
});
function process(list) {
queue = [];
let top = scroller.topDistance = store().top;
if (top > 0 && store().percent) {
let pageContent = document.querySelector('.notion-page-content');
if (pageContent)
scroller.topDistance *= pageContent.offsetHeight / 100;
}
for (let { addedNodes } of list) {
if (
addedNodes[0] && (
@ -84,22 +94,16 @@ module.exports = {
addedNodes[0].className === 'notion-scroller'
)
) {
let top = store().top;
if (top> 0) {
scroll.classList.add('hidden');
if (store().percent) {
top *= document.querySelector('.notion-page-content').offsetHeight / 100;
}
document
.querySelector('.notion-frame > .notion-scroller')
.addEventListener('scroll', (event) => {
if (event.target.scrollTop < top)
scroll.classList.add('hidden');
else
scroll.classList.remove('hidden');
})
scroller = document.querySelector('.notion-frame > .notion-scroller');
scroller.addEventListener('scroll', (event) => {
if (event.target.scrollTop < scroller.topDistance)
scroll.classList.add('hidden');
else
scroll.classList.remove('hidden');
})
}
}
}