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345aa09756
This PR is extracted from #23346 to address some unclear (I don't
understand) code-belonging concerns.
This PR needs to be backported, otherwise the `aria.js` is too buggy in
some cases. Since there would be two minor conflicts, I will do the
backport manually.
Before: the `aria.js` is still buggy in some cases.
After: tested with AppleVoice, Android TalkBack
* Fix incorrect dropdown init code
* Fix incorrect role element (the menu role should be on the `$menu`
element, but not on the `$focusable`)
* Fix the focus-show-click-hide problem on mobile. Now the language menu
works as expected
* Fix incorrect dropdown template function setting
* Clarify the logic in aria.js
* Hide item's tippy after menu gets hidden
* Fix incorrect tippy `setProps` after `destroy`
* Fix UI lag problem when page gets redirected during menu hiding
animation with screen reader
* Improve comments
* Implement the layout proposed by #19861
<details>
d74a7efb60/web_src/js/features/aria.md (L38-L47)
</details>
64 lines
1.9 KiB
JavaScript
64 lines
1.9 KiB
JavaScript
import tippy from 'tippy.js';
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export function createTippy(target, opts = {}) {
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const instance = tippy(target, {
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appendTo: document.body,
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placement: target.getAttribute('data-placement') || 'top-start',
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animation: false,
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allowHTML: false,
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hideOnClick: false,
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interactiveBorder: 30,
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ignoreAttributes: true,
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maxWidth: 500, // increase over default 350px
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arrow: `<svg width="16" height="7"><path d="m0 7 8-7 8 7Z" class="tippy-svg-arrow-outer"/><path d="m0 8 8-7 8 7Z" class="tippy-svg-arrow-inner"/></svg>`,
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...(opts?.role && {theme: opts.role}),
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...opts,
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});
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// for popups where content refers to a DOM element, we use the 'tippy-target' class
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// to initially hide the content, now we can remove it as the content has been removed
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// from the DOM by tippy
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if (opts.content instanceof Element) {
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opts.content.classList.remove('tippy-target');
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}
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return instance;
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}
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export function initTooltip(el, props = {}) {
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const content = el.getAttribute('data-content') || props.content;
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if (!content) return null;
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if (!el.hasAttribute('aria-label')) el.setAttribute('aria-label', content);
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return createTippy(el, {
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content,
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delay: 100,
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role: 'tooltip',
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...(el.getAttribute('data-tooltip-interactive') === 'true' ? {interactive: true} : {}),
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...props,
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});
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}
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export function showTemporaryTooltip(target, content) {
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let tippy, oldContent;
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if (target._tippy) {
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tippy = target._tippy;
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oldContent = tippy.props.content;
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} else {
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tippy = initTooltip(target, {content});
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}
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tippy.setContent(content);
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if (!tippy.state.isShown) tippy.show();
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tippy.setProps({
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onHidden: (tippy) => {
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if (oldContent) {
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tippy.setContent(oldContent);
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tippy.setProps({onHidden: undefined});
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} else {
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tippy.destroy();
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// after destroy, the `_tippy` is detached, it can't do "setProps (etc...)" anymore
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}
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},
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});
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}
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