354 lines
12 KiB
TypeScript
354 lines
12 KiB
TypeScript
// Copyright 2019-2020 Signal Messenger, LLC
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
import * as React from 'react';
|
|
import classNames from 'classnames';
|
|
import FocusTrap from 'focus-trap-react';
|
|
|
|
import { useRestoreFocus } from '../../hooks/useRestoreFocus';
|
|
import type { StickerPackType, StickerType } from '../../state/ducks/stickers';
|
|
import type { LocalizerType } from '../../types/Util';
|
|
|
|
export type OwnProps = {
|
|
readonly i18n: LocalizerType;
|
|
readonly onClose: () => unknown;
|
|
readonly onClickAddPack?: () => unknown;
|
|
readonly onPickSticker: (
|
|
packId: string,
|
|
stickerId: number,
|
|
url: string
|
|
) => unknown;
|
|
readonly packs: ReadonlyArray<StickerPackType>;
|
|
readonly recentStickers: ReadonlyArray<StickerType>;
|
|
readonly showPickerHint?: boolean;
|
|
};
|
|
|
|
export type Props = OwnProps & Pick<React.HTMLProps<HTMLDivElement>, 'style'>;
|
|
|
|
function useTabs<T>(tabs: ReadonlyArray<T>, initialTab = tabs[0]) {
|
|
const [tab, setTab] = React.useState(initialTab);
|
|
const handlers = React.useMemo(
|
|
() =>
|
|
tabs.map(t => () => {
|
|
setTab(t);
|
|
}),
|
|
[tabs]
|
|
);
|
|
|
|
return [tab, handlers] as [T, ReadonlyArray<() => void>];
|
|
}
|
|
|
|
const PACKS_PAGE_SIZE = 7;
|
|
const PACK_ICON_WIDTH = 32;
|
|
const PACK_PAGE_WIDTH = PACKS_PAGE_SIZE * PACK_ICON_WIDTH;
|
|
|
|
function getPacksPageOffset(page: number, packs: number): number {
|
|
if (page === 0) {
|
|
return 0;
|
|
}
|
|
|
|
if (isLastPacksPage(page, packs)) {
|
|
return (
|
|
PACK_PAGE_WIDTH * (Math.floor(packs / PACKS_PAGE_SIZE) - 1) +
|
|
((packs % PACKS_PAGE_SIZE) - 1) * PACK_ICON_WIDTH
|
|
);
|
|
}
|
|
|
|
return page * PACK_ICON_WIDTH * PACKS_PAGE_SIZE;
|
|
}
|
|
|
|
function isLastPacksPage(page: number, packs: number): boolean {
|
|
return page === Math.floor(packs / PACKS_PAGE_SIZE);
|
|
}
|
|
|
|
export const StickerPicker = React.memo(
|
|
React.forwardRef<HTMLDivElement, Props>(
|
|
(
|
|
{
|
|
i18n,
|
|
packs,
|
|
recentStickers,
|
|
onClose,
|
|
onClickAddPack,
|
|
onPickSticker,
|
|
showPickerHint,
|
|
style,
|
|
}: Props,
|
|
ref
|
|
) => {
|
|
const tabIds = React.useMemo(
|
|
() => ['recents', ...packs.map(({ id }) => id)],
|
|
[packs]
|
|
);
|
|
const [currentTab, [recentsHandler, ...packsHandlers]] = useTabs(
|
|
tabIds,
|
|
// If there are no recent stickers,
|
|
// default to the first sticker pack,
|
|
// unless there are no sticker packs.
|
|
tabIds[recentStickers.length > 0 ? 0 : Math.min(1, tabIds.length)]
|
|
);
|
|
const selectedPack = packs.find(({ id }) => id === currentTab);
|
|
const {
|
|
stickers = recentStickers,
|
|
title: packTitle = 'Recent Stickers',
|
|
} = selectedPack || {};
|
|
|
|
const [isUsingKeyboard, setIsUsingKeyboard] = React.useState(false);
|
|
const [packsPage, setPacksPage] = React.useState(0);
|
|
const onClickPrevPackPage = React.useCallback(() => {
|
|
setPacksPage(i => i - 1);
|
|
}, [setPacksPage]);
|
|
const onClickNextPackPage = React.useCallback(() => {
|
|
setPacksPage(i => i + 1);
|
|
}, [setPacksPage]);
|
|
|
|
// Handle escape key
|
|
React.useEffect(() => {
|
|
const handler = (event: KeyboardEvent) => {
|
|
if (event.key === 'Tab') {
|
|
// We do NOT prevent default here to allow Tab to be used normally
|
|
|
|
setIsUsingKeyboard(true);
|
|
|
|
return;
|
|
}
|
|
|
|
if (event.key === 'Escape') {
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
|
|
onClose();
|
|
}
|
|
};
|
|
|
|
document.addEventListener('keydown', handler);
|
|
|
|
return () => {
|
|
document.removeEventListener('keydown', handler);
|
|
};
|
|
}, [onClose]);
|
|
|
|
// Focus popup on after initial render, restore focus on teardown
|
|
const [focusRef] = useRestoreFocus();
|
|
|
|
const isEmpty = stickers.length === 0;
|
|
const addPackRef = isEmpty ? focusRef : undefined;
|
|
const downloadError =
|
|
selectedPack &&
|
|
selectedPack.status === 'error' &&
|
|
selectedPack.stickerCount !== selectedPack.stickers.length;
|
|
const pendingCount =
|
|
selectedPack && selectedPack.status === 'pending'
|
|
? selectedPack.stickerCount - stickers.length
|
|
: 0;
|
|
|
|
const hasPacks = packs.length > 0;
|
|
const isRecents = hasPacks && currentTab === 'recents';
|
|
const showPendingText = pendingCount > 0;
|
|
const showDownlaodErrorText = downloadError;
|
|
const showEmptyText = !downloadError && isEmpty;
|
|
const showText =
|
|
showPendingText || showDownlaodErrorText || showEmptyText;
|
|
const showLongText = showPickerHint;
|
|
|
|
return (
|
|
<FocusTrap
|
|
focusTrapOptions={{
|
|
allowOutsideClick: true,
|
|
}}
|
|
>
|
|
<div className="module-sticker-picker" ref={ref} style={style}>
|
|
<div className="module-sticker-picker__header">
|
|
<div className="module-sticker-picker__header__packs">
|
|
<div
|
|
className="module-sticker-picker__header__packs__slider"
|
|
style={{
|
|
transform: `translateX(-${getPacksPageOffset(
|
|
packsPage,
|
|
packs.length
|
|
)}px)`,
|
|
}}
|
|
>
|
|
{hasPacks ? (
|
|
<button
|
|
type="button"
|
|
onClick={recentsHandler}
|
|
className={classNames({
|
|
'module-sticker-picker__header__button': true,
|
|
'module-sticker-picker__header__button--recents': true,
|
|
'module-sticker-picker__header__button--selected':
|
|
currentTab === 'recents',
|
|
})}
|
|
aria-label={i18n('stickers--StickerPicker--Recents')}
|
|
/>
|
|
) : null}
|
|
{packs.map((pack, i) => (
|
|
<button
|
|
type="button"
|
|
key={pack.id}
|
|
onClick={packsHandlers[i]}
|
|
className={classNames(
|
|
'module-sticker-picker__header__button',
|
|
{
|
|
'module-sticker-picker__header__button--selected':
|
|
currentTab === pack.id,
|
|
'module-sticker-picker__header__button--error':
|
|
pack.status === 'error',
|
|
}
|
|
)}
|
|
>
|
|
{pack.cover ? (
|
|
<img
|
|
className="module-sticker-picker__header__button__image"
|
|
src={pack.cover.url}
|
|
alt={pack.title}
|
|
title={pack.title}
|
|
/>
|
|
) : (
|
|
<div className="module-sticker-picker__header__button__image-placeholder" />
|
|
)}
|
|
</button>
|
|
))}
|
|
</div>
|
|
{!isUsingKeyboard && packsPage > 0 ? (
|
|
<button
|
|
type="button"
|
|
className={classNames(
|
|
'module-sticker-picker__header__button',
|
|
'module-sticker-picker__header__button--prev-page'
|
|
)}
|
|
onClick={onClickPrevPackPage}
|
|
aria-label={i18n('stickers--StickerPicker--PrevPage')}
|
|
/>
|
|
) : null}
|
|
{!isUsingKeyboard &&
|
|
!isLastPacksPage(packsPage, packs.length) ? (
|
|
<button
|
|
type="button"
|
|
className={classNames(
|
|
'module-sticker-picker__header__button',
|
|
'module-sticker-picker__header__button--next-page'
|
|
)}
|
|
onClick={onClickNextPackPage}
|
|
aria-label={i18n('stickers--StickerPicker--NextPage')}
|
|
/>
|
|
) : null}
|
|
</div>
|
|
{onClickAddPack && (
|
|
<button
|
|
type="button"
|
|
ref={addPackRef}
|
|
className={classNames(
|
|
'module-sticker-picker__header__button',
|
|
'module-sticker-picker__header__button--add-pack',
|
|
{
|
|
'module-sticker-picker__header__button--hint':
|
|
showPickerHint,
|
|
}
|
|
)}
|
|
onClick={onClickAddPack}
|
|
aria-label={i18n('stickers--StickerPicker--AddPack')}
|
|
/>
|
|
)}
|
|
</div>
|
|
<div
|
|
className={classNames('module-sticker-picker__body', {
|
|
'module-sticker-picker__body--empty': isEmpty,
|
|
})}
|
|
>
|
|
{showPickerHint ? (
|
|
<div
|
|
className={classNames(
|
|
'module-sticker-picker__body__text',
|
|
'module-sticker-picker__body__text--hint',
|
|
{
|
|
'module-sticker-picker__body__text--pin': showEmptyText,
|
|
}
|
|
)}
|
|
>
|
|
{i18n('stickers--StickerPicker--Hint')}
|
|
</div>
|
|
) : null}
|
|
{!hasPacks ? (
|
|
<div className="module-sticker-picker__body__text">
|
|
{i18n('stickers--StickerPicker--NoPacks')}
|
|
</div>
|
|
) : null}
|
|
{pendingCount > 0 ? (
|
|
<div className="module-sticker-picker__body__text">
|
|
{i18n('stickers--StickerPicker--DownloadPending')}
|
|
</div>
|
|
) : null}
|
|
{downloadError ? (
|
|
<div
|
|
className={classNames(
|
|
'module-sticker-picker__body__text',
|
|
'module-sticker-picker__body__text--error'
|
|
)}
|
|
>
|
|
{stickers.length > 0
|
|
? i18n('stickers--StickerPicker--DownloadError')
|
|
: i18n('stickers--StickerPicker--Empty')}
|
|
</div>
|
|
) : null}
|
|
{hasPacks && showEmptyText ? (
|
|
<div
|
|
className={classNames('module-sticker-picker__body__text', {
|
|
'module-sticker-picker__body__text--error': !isRecents,
|
|
})}
|
|
>
|
|
{isRecents
|
|
? i18n('stickers--StickerPicker--NoRecents')
|
|
: i18n('stickers--StickerPicker--Empty')}
|
|
</div>
|
|
) : null}
|
|
{!isEmpty ? (
|
|
<div
|
|
className={classNames(
|
|
'module-sticker-picker__body__content',
|
|
{
|
|
'module-sticker-picker__body__content--under-text':
|
|
showText,
|
|
'module-sticker-picker__body__content--under-long-text':
|
|
showLongText,
|
|
}
|
|
)}
|
|
>
|
|
{stickers.map(({ packId, id, url }, index: number) => {
|
|
const maybeFocusRef = index === 0 ? focusRef : undefined;
|
|
|
|
return (
|
|
<button
|
|
type="button"
|
|
ref={maybeFocusRef}
|
|
key={`${packId}-${id}`}
|
|
className="module-sticker-picker__body__cell"
|
|
onClick={() => onPickSticker(packId, id, url)}
|
|
>
|
|
<img
|
|
className="module-sticker-picker__body__cell__image"
|
|
src={url}
|
|
alt={packTitle}
|
|
/>
|
|
</button>
|
|
);
|
|
})}
|
|
{Array(pendingCount)
|
|
.fill(0)
|
|
.map((_, i) => (
|
|
<div
|
|
// eslint-disable-next-line react/no-array-index-key
|
|
key={i}
|
|
className="module-sticker-picker__body__cell__placeholder"
|
|
role="presentation"
|
|
/>
|
|
))}
|
|
</div>
|
|
) : null}
|
|
</div>
|
|
</div>
|
|
</FocusTrap>
|
|
);
|
|
}
|
|
)
|
|
);
|