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excmds.ts: Fix scrollpx not working on some websites

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glacambre 2018-02-27 22:30:58 +01:00
parent e122caa326
commit ec6226b1e4
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1 changed files with 24 additions and 2 deletions
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26
src/excmds.ts
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@ -203,7 +203,10 @@ export function unfocus() {
//#content
export function scrollpx(a: number, b: number) {
window.scrollBy(a, b)
let top = document.body.getClientRects()[0].top;
window.scrollBy(a, b);
if (top == document.body.getClientRects()[0].top)
recursiveScroll(a, b, [document.body])
}
/** If two numbers are given, treat as x and y values to give to window.scrollTo
@ -227,13 +230,32 @@ export function scrollto(a: number, b: number | "x" | "y" = "y") {
}
}
//#content_helper
function recursiveScroll(x: number, y: number, nodes: Element[]) {
let rect = null;
let node = null;
do {
node = nodes.splice(0, 1)[0]
if (!node)
return
rect = node.getClientRects()[0]
} while (!rect)
let top = rect.top
node.scrollBy(x, y);
if (top == node.getClientRects()[0].top) {
let children = Array.prototype.slice.call(node.children).filter(DOM.isVisible)
recursiveScroll(x, y, nodes.concat(children))
}
}
//#content
export function scrollline(n = 1) {
window.scrollByLines(n)
}
//#content
export function scrollpage(n = 1) {
window.scrollBy(0, window.innerHeight * n)
scrollpx(0, window.innerHeight * n)
}
/** @hidden */