From 27a0d02d0d960163e98595b05412c0d03a4875d0 Mon Sep 17 00:00:00 2001 From: ThibG Date: Tue, 6 Aug 2019 11:59:58 +0200 Subject: [PATCH] Improve keyboard navigation in privacy dropdown (#11492) * Trap tab in privacy dropdown * Give focus back to last focused element when privacy dropdown menu closes * Actually give back focus to the element that had it before clicking the dropdown --- .../mastodon/components/icon_button.js | 18 ++++++++++ .../compose/components/privacy_dropdown.js | 36 +++++++++++++++++++ 2 files changed, 54 insertions(+) diff --git a/app/javascript/mastodon/components/icon_button.js b/app/javascript/mastodon/components/icon_button.js index 9d8a8d06b..a727359e9 100644 --- a/app/javascript/mastodon/components/icon_button.js +++ b/app/javascript/mastodon/components/icon_button.js @@ -12,6 +12,8 @@ export default class IconButton extends React.PureComponent { title: PropTypes.string.isRequired, icon: PropTypes.string.isRequired, onClick: PropTypes.func, + onMouseDown: PropTypes.func, + onKeyDown: PropTypes.func, size: PropTypes.number, active: PropTypes.bool, pressed: PropTypes.bool, @@ -42,6 +44,18 @@ export default class IconButton extends React.PureComponent { } } + handleMouseDown = (e) => { + if (!this.props.disabled && this.props.onMouseDown) { + this.props.onMouseDown(e); + } + } + + handleKeyDown = (e) => { + if (!this.props.disabled && this.props.onKeyDown) { + this.props.onKeyDown(e); + } + } + render () { const style = { fontSize: `${this.props.size}px`, @@ -84,6 +98,8 @@ export default class IconButton extends React.PureComponent { title={title} className={classes} onClick={this.handleClick} + onMouseDown={this.handleMouseDown} + onKeyDown={this.handleKeyDown} style={style} tabIndex={tabIndex} disabled={disabled} @@ -103,6 +119,8 @@ export default class IconButton extends React.PureComponent { title={title} className={classes} onClick={this.handleClick} + onMouseDown={this.handleMouseDown} + onKeyDown={this.handleKeyDown} style={style} tabIndex={tabIndex} disabled={disabled} diff --git a/app/javascript/mastodon/features/compose/components/privacy_dropdown.js b/app/javascript/mastodon/features/compose/components/privacy_dropdown.js index 9db098544..7cbfe463a 100644 --- a/app/javascript/mastodon/features/compose/components/privacy_dropdown.js +++ b/app/javascript/mastodon/features/compose/components/privacy_dropdown.js @@ -73,6 +73,19 @@ class PrivacyDropdownMenu extends React.PureComponent { this.props.onChange(element.getAttribute('data-index')); } break; + case 'Tab': + if (e.shiftKey) { + element = this.node.childNodes[index - 1] || this.node.lastChild; + } else { + element = this.node.childNodes[index + 1] || this.node.firstChild; + } + if (element) { + element.focus(); + this.props.onChange(element.getAttribute('data-index')); + e.preventDefault(); + e.stopPropagation(); + } + break; case 'Home': element = this.node.firstChild; if (element) { @@ -180,6 +193,9 @@ class PrivacyDropdown extends React.PureComponent { } } else { const { top } = target.getBoundingClientRect(); + if (this.state.open && this.activeElement) { + this.activeElement.focus(); + } this.setState({ placement: top * 2 < innerHeight ? 'bottom' : 'top' }); this.setState({ open: !this.state.open }); } @@ -202,7 +218,25 @@ class PrivacyDropdown extends React.PureComponent { } } + handleMouseDown = () => { + if (!this.state.open) { + this.activeElement = document.activeElement; + } + } + + handleButtonKeyDown = (e) => { + switch(e.key) { + case ' ': + case 'Enter': + this.handleMouseDown(); + break; + } + } + handleClose = () => { + if (this.state.open && this.activeElement) { + this.activeElement.focus(); + } this.setState({ open: false }); } @@ -239,6 +273,8 @@ class PrivacyDropdown extends React.PureComponent { active={open} inverted onClick={this.handleToggle} + onMouseDown={this.handleMouseDown} + onKeyDown={this.handleButtonKeyDown} style={{ height: null, lineHeight: '27px' }} />