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rustdoc: replace elemIsInParent with Node.contains #118296

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Merged
merged 1 commit into from
Nov 26, 2023
Merged

rustdoc: replace elemIsInParent with Node.contains #118296

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28 changes: 9 additions & 19 deletions src/librustdoc/html/static/js/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -25,19 +25,9 @@ function showMain() {
removeClass(document.getElementById(MAIN_ID), "hidden");
}

function elemIsInParent(elem, parent) {
while (elem && elem !== document.body) {
if (elem === parent) {
return true;
}
elem = elem.parentElement;
}
return false;
}

function blurHandler(event, parentElem, hideCallback) {
if (!elemIsInParent(document.activeElement, parentElem) &&
!elemIsInParent(event.relatedTarget, parentElem)
if (!parentElem.contains(document.activeElement) &&
!parentElem.contains(event.relatedTarget)
) {
hideCallback();
}
Expand Down Expand Up @@ -1118,7 +1108,7 @@ function preLoadCss(cssUrl) {
if (ev.pointerType !== "mouse") {
return;
}
if (!e.TOOLTIP_FORCE_VISIBLE && !elemIsInParent(ev.relatedTarget, e)) {
if (!e.TOOLTIP_FORCE_VISIBLE && !e.contains(ev.relatedTarget)) {
// See "Tooltip pointer leave gesture" below.
setTooltipHoverTimeout(e, false);
addClass(wrapper, "fade-out");
Expand Down Expand Up @@ -1178,10 +1168,10 @@ function preLoadCss(cssUrl) {

function tooltipBlurHandler(event) {
if (window.CURRENT_TOOLTIP_ELEMENT &&
!elemIsInParent(document.activeElement, window.CURRENT_TOOLTIP_ELEMENT) &&
!elemIsInParent(event.relatedTarget, window.CURRENT_TOOLTIP_ELEMENT) &&
!elemIsInParent(document.activeElement, window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE) &&
!elemIsInParent(event.relatedTarget, window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE)
!window.CURRENT_TOOLTIP_ELEMENT.contains(document.activeElement) &&
!window.CURRENT_TOOLTIP_ELEMENT.contains(event.relatedTarget) &&
!window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE.contains(document.activeElement) &&
!window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE.contains(event.relatedTarget)
) {
// Work around a difference in the focus behaviour between Firefox, Chrome, and Safari.
// When I click the button on an already-opened tooltip popover, Safari
Expand Down Expand Up @@ -1248,8 +1238,8 @@ function preLoadCss(cssUrl) {
if (ev.pointerType !== "mouse") {
return;
}
if (!e.TOOLTIP_FORCE_VISIBLE &&
!elemIsInParent(ev.relatedTarget, window.CURRENT_TOOLTIP_ELEMENT)) {
if (!e.TOOLTIP_FORCE_VISIBLE && window.CURRENT_TOOLTIP_ELEMENT &&
!window.CURRENT_TOOLTIP_ELEMENT.contains(ev.relatedTarget)) {
// Tooltip pointer leave gesture:
//
// Designing a good hover microinteraction is a matter of guessing user
Expand Down
4 changes: 2 additions & 2 deletions src/librustdoc/html/static/js/settings.js
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
// Local js definitions:
/* global getSettingValue, updateLocalStorage, updateTheme */
/* global addClass, removeClass, onEach, onEachLazy, blurHandler, elemIsInParent */
/* global addClass, removeClass, onEach, onEachLazy, blurHandler */
/* global MAIN_ID, getVar, getSettingsButton */

"use strict";
Expand Down Expand Up @@ -232,7 +232,7 @@
const settingsButton = getSettingsButton();
const settingsMenu = document.getElementById("settings");
settingsButton.onclick = event => {
if (elemIsInParent(event.target, settingsMenu)) {
if (settingsMenu.contains(event.target)) {
return;
}
event.preventDefault();
Expand Down