web/notify.moe
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Lazily apply tooltip calculations

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This commit is contained in:
Eduard Urbach 2018-04-19 11:31:01 +02:00
parent d71f046f53
commit 0a83c00c78
1 changed files with 33 additions and 24 deletions
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57
scripts/AnimeNotifier.ts
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@ -245,33 +245,42 @@ export default class AnimeNotifier {
let contentRect = this.app.content.getBoundingClientRect()
for(let element of elements) {
Diff.mutations.queue(() => {
let rect = element.getBoundingClientRect()
let tipStyle = window.getComputedStyle(element, ":before")
let tipWidth = parseInt(tipStyle.width) + parseInt(tipStyle.paddingLeft) * 2
let tipStartX = rect.left + rect.width / 2 - tipWidth / 2 - contentRect.left
let tipEndX = tipStartX + tipWidth
let leftOffset = 0
if(tipStartX < 0) {
leftOffset = -tipStartX + 5
} else if(tipEndX > contentRect.width) {
leftOffset = -(tipEndX - contentRect.width + 5)
element.onmouseenter = () => {
if(element.dataset.offsetAssigned) {
element.onmouseenter = null
return
}
if(leftOffset !== 0) {
element.classList.remove("tip")
element.classList.add("tip-offset-root")
Diff.mutations.queue(() => {
let rect = element.getBoundingClientRect()
let tipStyle = window.getComputedStyle(element, ":before")
let tipWidth = parseInt(tipStyle.width) + parseInt(tipStyle.paddingLeft) * 2
let tipStartX = rect.left + rect.width / 2 - tipWidth / 2 - contentRect.left
let tipEndX = tipStartX + tipWidth
let leftOffset = 0
let tipChild = document.createElement("div")
tipChild.classList.add("tip-offset-child")
tipChild.setAttribute("aria-label", element.getAttribute("aria-label"))
tipChild.style.left = Math.round(leftOffset) + "px"
tipChild.style.width = rect.width + "px"
tipChild.style.height = rect.height + "px"
element.appendChild(tipChild)
}
})
if(tipStartX < 0) {
leftOffset = -tipStartX + 5
} else if(tipEndX > contentRect.width) {
leftOffset = -(tipEndX - contentRect.width + 5)
}
if(leftOffset !== 0) {
element.classList.remove("tip")
element.classList.add("tip-offset-root")
let tipChild = document.createElement("div")
tipChild.classList.add("tip-offset-child")
tipChild.setAttribute("aria-label", element.getAttribute("aria-label"))
tipChild.style.left = Math.round(leftOffset) + "px"
tipChild.style.width = rect.width + "px"
tipChild.style.height = rect.height + "px"
element.appendChild(tipChild)
}
element.dataset.offsetAssigned = "true"
})
}
}
}