signal-desktop/ts/components/AvatarUploadButton.tsx
2021-10-26 14:15:33 -05:00

87 lines
2.1 KiB
TypeScript

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import type { ChangeEventHandler } from 'react';
import React, { useEffect, useRef, useState } from 'react';
import { noop } from 'lodash';
import type { LocalizerType } from '../types/Util';
import { processImageFile } from '../util/processImageFile';
export type PropsType = {
className: string;
i18n: LocalizerType;
onChange: (avatar: Uint8Array) => unknown;
};
export const AvatarUploadButton = ({
className,
i18n,
onChange,
}: PropsType): JSX.Element => {
const fileInputRef = useRef<null | HTMLInputElement>(null);
const [processingFile, setProcessingFile] = useState<File | undefined>();
useEffect(() => {
if (!processingFile) {
return noop;
}
let shouldCancel = false;
(async () => {
let newAvatar: Uint8Array;
try {
newAvatar = await processImageFile(processingFile);
} catch (err) {
// Processing errors should be rare; if they do, we silently fail. In an ideal
// world, we may want to show a toast instead.
return;
}
if (shouldCancel) {
return;
}
setProcessingFile(undefined);
onChange(newAvatar);
})();
return () => {
shouldCancel = true;
};
}, [onChange, processingFile]);
const onInputChange: ChangeEventHandler<HTMLInputElement> = event => {
const file = event.target.files && event.target.files[0];
if (file) {
setProcessingFile(file);
}
};
return (
<>
<button
className={className}
onClick={() => {
const fileInput = fileInputRef.current;
if (fileInput) {
// Setting the value to empty so that onChange always fires in case
// you add multiple photos.
fileInput.value = '';
fileInput.click();
}
}}
type="button"
>
{i18n('photo')}
</button>
<input
accept=".gif,.jpg,.jpeg,.png,.webp,image/gif,image/jpeg,image/png,image/webp"
hidden
onChange={onInputChange}
ref={fileInputRef}
type="file"
/>
</>
);
};