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reduce DOM thrashing in adjustInfoPosition

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This commit is contained in:
tophf 2017-12-10 10:29:04 +03:00
parent abc4923059
commit 888f93281d
1 changed files with 10 additions and 4 deletions
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14
popup/hotkeys.js
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@ -204,12 +204,18 @@ var hotkeys = (() => {
return; return;
} }
const style = $('#hotkey-info').style; const style = $('#hotkey-info').style;
const scroller = document.scrollingElement;
if (installed.scrollHeight > installed.clientHeight || if (installed.scrollHeight > installed.clientHeight ||
document.scrollingElement.scrollHeight > document.scrollingElement.innerHeight) { scroller.scrollHeight > scroller.innerHeight) {
const entryRight = installed.firstElementChild.getBoundingClientRect().right; const entryRight = installed.firstElementChild.getBoundingClientRect().right;
style.setProperty('right', window.innerWidth - entryRight + 'px', 'important'); const right = window.innerWidth - entryRight;
if (parseFloat(style.right) !== right) {
style.setProperty('right', right + 'px', 'important');
}
}
const bottom = installed.getBoundingClientRect().bottom + window.scrollY;
if (parseFloat(style.height) !== bottom) {
style.setProperty('height', bottom + 'px', 'important');
} }
const installedBottom = installed.getBoundingClientRect().bottom + window.scrollY;
style.setProperty('bottom', window.innerHeight - installedBottom + 'px', 'important');
} }
})(); })();