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WaitUntilOnPage: take scaling into account

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It was waiting too near the viewport to load on certain zoom levels. This will maintain the same physical distance for the "approaching viewport" buffer regardless of zoom levels.
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infinite-persistence 2021-07-08 20:31:30 +08:00 committed by Thomas Zarebczan
parent ad1c826f2c
commit 59a8b9d663
1 changed files with 9 additions and 1 deletions
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10
ui/component/common/wait-until-on-page.jsx
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@ -4,6 +4,14 @@ import debounce from 'util/debounce';
const DEBOUNCE_SCROLL_HANDLER_MS = 50;
function scaleToDevicePixelRatio(value) {
const devicePixelRatio = window.devicePixelRatio || 1.0;
if (devicePixelRatio < 1.0) {
return Math.ceil(value / devicePixelRatio);
}
return Math.ceil(value * devicePixelRatio);
}
type Props = {
children: any,
skipWait?: boolean,
@ -26,7 +34,7 @@ export default function WaitUntilOnPage(props: Props) {
// $FlowFixMe
const windowW = window.innerWidth || document.documentElement.clientWidth;
const isApproachingViewport = yOffset && bounding.top < windowH + yOffset;
const isApproachingViewport = yOffset && bounding.top < windowH + scaleToDevicePixelRatio(yOffset);
const isInViewport = // also covers "element is larger than viewport".
bounding.width > 0 &&
bounding.height > 0 &&