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Remove pointer events on the entire UI when a dropdown menu is open (#6648)

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* Remove pointer events on the entire UI when a dropdown menu is open

This prevents operations to change the location of the menu such as
scrolling.

* Fix mistake from merge
This commit is contained in:
Akihiko Odaki 2018-03-07 10:26:43 +09:00 • committed by Eugen Rochko
parent 4847149b6e
commit 913a38111f
6 changed files with 66 additions and 31 deletions
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42
app/javascript/mastodon/components/dropdown_menu.js
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@ -8,6 +8,7 @@ import spring from 'react-motion/lib/spring';
import detectPassiveEvents from 'detect-passive-events';
const listenerOptions = detectPassiveEvents.hasSupport ? { passive: true } : false;
let id = 0;
class DropdownMenu extends React.PureComponent {
@ -124,8 +125,10 @@ export default class Dropdown extends React.PureComponent {
status: ImmutablePropTypes.map,
isUserTouching: PropTypes.func,
isModalOpen: PropTypes.bool.isRequired,
onModalOpen: PropTypes.func,
onModalClose: PropTypes.func,
onOpen: PropTypes.func.isRequired,
onClose: PropTypes.func.isRequired,
dropdownPlacement: PropTypes.string,
openDropdownId: PropTypes.number,
};
static defaultProps = {
@ -133,38 +136,28 @@ export default class Dropdown extends React.PureComponent {
};
state = {
placement: null,
id: id++,
};
handleClick = ({ target }) => {
if (this.state.placement) {
this.setState({ placement: null });
} else if (this.props.isUserTouching() && this.props.onModalOpen) {
const { status, items } = this.props;
this.props.onModalOpen({
status,
actions: items,
onClick: this.handleItemClick,
});
if (this.state.id === this.props.openDropdownId) {
this.handleClose();
} else {
const { top } = target.getBoundingClientRect();
this.setState({ placement: top * 2 < innerHeight ? 'bottom' : 'top' });
const placement = top * 2 < innerHeight ? 'bottom' : 'top';
this.props.onOpen(this.state.id, this.handleItemClick, placement);
}
}
handleClose = () => {
if (this.props.onModalClose) {
this.props.onModalClose();
}
this.setState({ placement: null });
this.props.onClose(this.state.id);
}
handleKeyDown = e => {
switch(e.key) {
case 'Enter':
this.handleClick();
this.handleClick(e);
break;
case 'Escape':
this.handleClose();
@ -196,23 +189,22 @@ export default class Dropdown extends React.PureComponent {
}
render () {
const { icon, items, size, title, disabled } = this.props;
const { placement } = this.state;
const show = placement !== null;
const { icon, items, size, title, disabled, dropdownPlacement, openDropdownId } = this.props;
const open = this.state.id === openDropdownId;
return (
<div onKeyDown={this.handleKeyDown}>
<IconButton
icon={icon}
title={title}
active={show}
active={open}
disabled={disabled}
size={size}
ref={this.setTargetRef}
onClick={this.handleClick}
/>
<Overlay show={show} placement={placement} target={this.findTarget}>
<Overlay show={open} placement={dropdownPlacement} target={this.findTarget}>
<DropdownMenu items={items} onClose={this.handleClose} />
</Overlay>
</div>