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Clean up code around theme elements

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This commit is contained in:
Guillaume Gomez 2021-03-05 16:16:03 +01:00
parent 3ab4f9a204
commit 5dea1f1888
1 changed files with 19 additions and 11 deletions
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30
src/librustdoc/html/static/main.js
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@ -1,3 +1,4 @@
// ignore-tidy-filelength
// Local js definitions:
/* global addClass, getSettingValue, hasClass */
/* global onEach, onEachLazy, hasOwnProperty, removeClass, updateLocalStorage */
@ -84,12 +85,20 @@ function getSearchElement() {
return document.getElementById("search");
}
function getThemesElementId() {
return "theme-choices";
}
function getThemesElement() {
return document.getElementById("theme-choices");
return document.getElementById(getThemesElementId());
}
function getThemePickerElementId() {
return "theme-picker";
}
function getThemePickerElement() {
return document.getElementById("theme-picker");
return document.getElementById(getThemePickerElementId());
}
// Returns the current URL without any query parameter or hash.
@ -143,11 +152,11 @@ function hideThemeButtonState() {
var active = document.activeElement;
var related = e.relatedTarget;
if (active.id !== "theme-picker" &&
(!active.parentNode || active.parentNode.id !== "theme-choices") &&
if (active.id !== getThemePickerElementId() &&
(!active.parentNode || active.parentNode.id !== getThemesElementId()) &&
(!related ||
(related.id !== "theme-picker" &&
(!related.parentNode || related.parentNode.id !== "theme-choices")))) {
(related.id !== getThemePickerElementId() &&
(!related.parentNode || related.parentNode.id !== getThemesElementId())))) {
hideThemeButtonState();
}
}
@ -512,8 +521,7 @@ function hideThemeButtonState() {
break;
default:
var themePicker = getThemePickerElement();
if (themePicker.parentNode.contains(ev.target)) {
if (getThemePickerElement().parentNode.contains(ev.target)) {
handleThemeKeyDown(ev);
}
}
@ -526,7 +534,7 @@ function hideThemeButtonState() {
switch (getVirtualKey(ev)) {
case "ArrowUp":
ev.preventDefault();
if (active.previousElementSibling && ev.target.id !== "theme-picker") {
if (active.previousElementSibling && ev.target.id !== getThemePickerElementId()) {
active.previousElementSibling.focus();
} else {
showThemeButtonState();
@ -535,7 +543,7 @@ function hideThemeButtonState() {
break;
case "ArrowDown":
ev.preventDefault();
if (active.nextElementSibling && ev.target.id !== "theme-picker") {
if (active.nextElementSibling && ev.target.id !== getThemePickerElementId()) {
active.nextElementSibling.focus();
} else {
showThemeButtonState();
@ -545,7 +553,7 @@ function hideThemeButtonState() {
case "Enter":
case "Return":
case "Space":
if (ev.target.id === "theme-picker" && themes.style.display === "none") {
if (ev.target.id === getThemePickerElementId() && themes.style.display === "none") {
ev.preventDefault();
showThemeButtonState();
themes.firstElementChild.focus();