securityos/components/system/Files/FileManager/StatusBar.tsx

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2024-09-06 15:32:35 +00:00
import StyledStatusBar from "components/system/Files/FileManager/StyledStatusBar";
import type { FileDrop } from "components/system/Files/FileManager/useFileDrop";
import { useFileSystem } from "contexts/fileSystem";
import useResizeObserver from "hooks/useResizeObserver";
import { join } from "path";
import {
useCallback,
useEffect,
useLayoutEffect,
useRef,
useState,
} from "react";
import { getFormattedSize, haltEvent, label } from "utils/functions";
type StatusBarProps = {
count: number;
directory: string;
fileDrop: FileDrop;
selected: string[];
};
const MINIMUM_STATUSBAR_WIDTH = 225;
const UNKNOWN_SIZE = -1;
const UNCALCULATED_SIZE = -2;
const StatusBar: FC<StatusBarProps> = ({
count,
directory,
fileDrop,
selected,
}) => {
const { exists, lstat, stat } = useFileSystem();
const [selectedSize, setSelectedSize] = useState(UNKNOWN_SIZE);
const [showSelected, setShowSelected] = useState(false);
const updateShowSelected = (width: number): void =>
setShowSelected(width > MINIMUM_STATUSBAR_WIDTH);
const statusBarRef = useRef<HTMLDivElement | null>(null);
useEffect(() => {
const updateSelectedSize = async (): Promise<void> =>
setSelectedSize(
await selected.reduce(async (totalSize, file) => {
const currentSize = await totalSize;
if (currentSize === UNCALCULATED_SIZE) return UNCALCULATED_SIZE;
const path = join(directory, file);
try {
if (await exists(path)) {
return (await lstat(path)).isDirectory()
? UNCALCULATED_SIZE
: (currentSize === UNKNOWN_SIZE ? 0 : currentSize) +
(await stat(path)).size;
}
} catch {
// Ignore errors getting file sizes
}
return totalSize;
}, Promise.resolve(UNKNOWN_SIZE))
);
updateSelectedSize();
}, [directory, exists, lstat, selected, stat]);
useLayoutEffect(() => {
if (statusBarRef.current) {
updateShowSelected(statusBarRef.current.getBoundingClientRect().width);
}
}, []);
useResizeObserver(
statusBarRef.current,
useCallback<ResizeObserverCallback>(
([{ contentRect: { width = 0 } = {} }]) => updateShowSelected(width),
[]
)
);
return (
<StyledStatusBar
ref={statusBarRef}
onContextMenuCapture={haltEvent}
{...fileDrop}
>
<div {...label("Total item count")}>
{count} item{count === 1 ? "" : "s"}
</div>
{showSelected && selected.length > 0 && (
<div className="selected" {...label("Selected item count and size")}>
{selected.length} item{selected.length === 1 ? "" : "s"} selected
{selectedSize !== UNKNOWN_SIZE && selectedSize !== UNCALCULATED_SIZE
? `\u00A0\u00A0${getFormattedSize(selectedSize)}`
: ""}
</div>
)}
</StyledStatusBar>
);
};
export default StatusBar;