signal-desktop/ts/components/emoji/EmojiButton.tsx
2019-11-21 10:17:55 -08:00

150 lines
3.9 KiB
TypeScript

import * as React from 'react';
import classNames from 'classnames';
import { noop } from 'lodash';
import { Manager, Popper, Reference } from 'react-popper';
import { createPortal } from 'react-dom';
import {
EmojiPickDataType,
EmojiPicker,
Props as EmojiPickerProps,
} from './EmojiPicker';
import { LocalizerType } from '../../types/Util';
export type EmojiPickDataType = EmojiPickDataType;
export type OwnProps = {
readonly i18n: LocalizerType;
};
export type Props = OwnProps &
Pick<
EmojiPickerProps,
'doSend' | 'onPickEmoji' | 'onSetSkinTone' | 'recentEmojis' | 'skinTone'
>;
export const EmojiButton = React.memo(
// tslint:disable-next-line:max-func-body-length
({
i18n,
doSend,
onPickEmoji,
skinTone,
onSetSkinTone,
recentEmojis,
}: Props) => {
const [open, setOpen] = React.useState(false);
const [popperRoot, setPopperRoot] = React.useState<HTMLElement | null>(
null
);
const handleClickButton = React.useCallback(
() => {
if (popperRoot) {
setOpen(false);
} else {
setOpen(true);
}
},
[popperRoot, setOpen]
);
const handleClose = React.useCallback(
() => {
setOpen(false);
},
[setOpen]
);
// Create popper root and handle outside clicks
React.useEffect(
() => {
if (open) {
const root = document.createElement('div');
setPopperRoot(root);
document.body.appendChild(root);
const handleOutsideClick = ({ target }: MouseEvent) => {
if (!root.contains(target as Node)) {
setOpen(false);
}
};
document.addEventListener('click', handleOutsideClick);
return () => {
document.body.removeChild(root);
document.removeEventListener('click', handleOutsideClick);
setPopperRoot(null);
};
}
return noop;
},
[open, setOpen, setPopperRoot]
);
// Install keyboard shortcut to open emoji picker
React.useEffect(
() => {
const handleKeydown = (event: KeyboardEvent) => {
const { ctrlKey, key, metaKey, shiftKey } = event;
const ctrlOrCommand = metaKey || ctrlKey;
// We don't want to open up if the conversation has any panels open
const panels = document.querySelectorAll('.conversation .panel');
if (panels && panels.length > 1) {
return;
}
if (ctrlOrCommand && shiftKey && (key === 'j' || key === 'J')) {
event.stopPropagation();
event.preventDefault();
setOpen(!open);
}
};
document.addEventListener('keydown', handleKeydown);
return () => {
document.removeEventListener('keydown', handleKeydown);
};
},
[open, setOpen]
);
return (
<Manager>
<Reference>
{({ ref }) => (
<button
ref={ref}
onClick={handleClickButton}
className={classNames({
'module-emoji-button__button': true,
'module-emoji-button__button--active': open,
})}
/>
)}
</Reference>
{open && popperRoot
? createPortal(
<Popper placement="top-start">
{({ ref, style }) => (
<EmojiPicker
ref={ref}
i18n={i18n}
style={style}
onPickEmoji={onPickEmoji}
doSend={doSend}
onClose={handleClose}
skinTone={skinTone}
onSetSkinTone={onSetSkinTone}
recentEmojis={recentEmojis}
/>
)}
</Popper>,
popperRoot
)
: null}
</Manager>
);
}
);