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feat(tabs_bar): Avoid optimization for non-touch devices (#4444) 

* fix(tabs_bar): Check if transition is necessary

* feat(tabs_bar): Only apply optimization for touch devices
This commit is contained in:
Sorin Davidoi 2017-07-29 21:20:34 +02:00 committed by Eugen Rochko
parent 990cea471e
commit 4f04981dde
1 changed files with 25 additions and 17 deletions
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8
app/javascript/mastodon/features/ui/components/tabs_bar.js
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@ -3,6 +3,7 @@ import PropTypes from 'prop-types';
import NavLink from 'react-router-dom/NavLink'; import NavLink from 'react-router-dom/NavLink';
import { FormattedMessage, injectIntl } from 'react-intl'; import { FormattedMessage, injectIntl } from 'react-intl';
import { debounce } from 'lodash'; import { debounce } from 'lodash';
import { isUserTouching } from '../../../is_mobile';
export const links = [ export const links = [
<NavLink className='tabs-bar__link primary' to='/statuses/new' data-preview-title-id='tabs_bar.compose' data-preview-icon='pencil' ><i className='fa fa-fw fa-pencil' /><FormattedMessage id='tabs_bar.compose' defaultMessage='Compose' /></NavLink>, <NavLink className='tabs-bar__link primary' to='/statuses/new' data-preview-title-id='tabs_bar.compose' data-preview-icon='pencil' ><i className='fa fa-fw fa-pencil' /><FormattedMessage id='tabs_bar.compose' defaultMessage='Compose' /></NavLink>,
@ -39,6 +40,9 @@ export default class TabsBar extends React.Component {
} }
handleClick = (e) => { handleClick = (e) => {
// Only apply optimization for touch devices, which we assume are slower
// We thus avoid the 250ms delay for non-touch devices and the lag for touch devices
if (isUserTouching()) {
e.preventDefault(); e.preventDefault();
e.persist(); e.persist();
@ -48,6 +52,8 @@ export default class TabsBar extends React.Component {
const nextTab = tabs.find(tab => tab.contains(e.target)); const nextTab = tabs.find(tab => tab.contains(e.target));
const { props: { to } } = links[Array(...this.node.childNodes).indexOf(nextTab)]; const { props: { to } } = links[Array(...this.node.childNodes).indexOf(nextTab)];
if (currentTab !== nextTab) {
if (currentTab) { if (currentTab) {
currentTab.classList.remove('active'); currentTab.classList.remove('active');
} }
@ -59,7 +65,9 @@ export default class TabsBar extends React.Component {
nextTab.addEventListener('transitionend', listener); nextTab.addEventListener('transitionend', listener);
nextTab.classList.add('active'); nextTab.classList.add('active');
}
}); });
}
} }