Files
AFFiNE-Mirror/packages/component/src/components/image-preview-modal/index.tsx

604 lines
18 KiB
TypeScript

import '@blocksuite/blocks';
import { Button, Tooltip } from '@affine/component';
import type { ImageBlockModel } from '@blocksuite/blocks';
import { assertExists } from '@blocksuite/global/utils';
import {
ArrowLeftSmallIcon,
ArrowRightSmallIcon,
CopyIcon,
DeleteIcon,
DownloadIcon,
MinusIcon,
PlusIcon,
ViewBarIcon,
} from '@blocksuite/icons';
import type { Workspace } from '@blocksuite/store';
import clsx from 'clsx';
import { useErrorBoundary } from 'foxact/use-error-boundary';
import { useAtom } from 'jotai';
import type { PropsWithChildren, ReactElement } from 'react';
import { Suspense, useCallback } from 'react';
import { useEffect, useRef, useState } from 'react';
import type { FallbackProps } from 'react-error-boundary';
import { ErrorBoundary } from 'react-error-boundary';
import useSWR from 'swr';
import { useZoomControls } from './hooks/use-zoom';
import {
buttonIconStyle,
buttonStyle,
captionStyle,
groupStyle,
imageBottomContainerStyle,
imagePreviewActionBarStyle,
imagePreviewBackgroundStyle,
imagePreviewModalCaptionStyle,
imagePreviewModalCenterStyle,
imagePreviewModalCloseButtonStyle,
imagePreviewModalContainerStyle,
imagePreviewModalStyle,
loaded,
scaleIndicatorButtonStyle,
unloaded,
} from './index.css';
import { hasAnimationPlayedAtom, previewBlockIdAtom } from './index.jotai';
import { toast } from './toast';
export type ImagePreviewModalProps = {
workspace: Workspace;
pageId: string;
};
const ImagePreviewModalImpl = (
props: ImagePreviewModalProps & {
blockId: string;
onClose: () => void;
}
): ReactElement | null => {
const [blockId, setBlockId] = useAtom(previewBlockIdAtom);
const zoomRef = useRef<HTMLDivElement | null>(null);
const imageRef = useRef<HTMLImageElement | null>(null);
const {
isZoomedBigger,
handleDrag,
handleDragStart,
handleDragEnd,
resetZoom,
zoomIn,
zoomOut,
resetScale,
currentScale,
} = useZoomControls({ zoomRef, imageRef });
const [isOpen, setIsOpen] = useAtom(hasAnimationPlayedAtom);
const [hasPlayedAnimation, setHasPlayedAnimation] = useState<boolean>(false);
useEffect(() => {
let timeoutId: NodeJS.Timeout;
if (!isOpen) {
timeoutId = setTimeout(() => {
props.onClose();
setIsOpen(true);
}, 300);
return () => {
clearTimeout(timeoutId);
};
}
return () => {};
}, [isOpen, props, setIsOpen]);
const nextImageHandler = useCallback(
(blockId: string | null) => {
assertExists(blockId);
const workspace = props.workspace;
if (!hasPlayedAnimation) {
setHasPlayedAnimation(true);
}
const page = workspace.getPage(props.pageId);
assertExists(page);
const block = page.getBlockById(blockId);
assertExists(block);
const nextBlock = page
.getNextSiblings(block)
.find(
(block): block is ImageBlockModel => block.flavour === 'affine:image'
);
if (nextBlock) {
setBlockId(nextBlock.id);
}
},
[props.pageId, props.workspace, setBlockId, hasPlayedAnimation]
);
const previousImageHandler = useCallback(
(blockId: string | null) => {
assertExists(blockId);
const workspace = props.workspace;
const page = workspace.getPage(props.pageId);
assertExists(page);
const block = page.getBlockById(blockId);
assertExists(block);
const prevBlock = page
.getPreviousSiblings(block)
.findLast(
(block): block is ImageBlockModel => block.flavour === 'affine:image'
);
if (prevBlock) {
setBlockId(prevBlock.id);
}
resetZoom();
},
[props.pageId, props.workspace, setBlockId, resetZoom]
);
const deleteHandler = useCallback(
(blockId: string) => {
const { pageId, workspace, onClose } = props;
const page = workspace.getPage(pageId);
assertExists(page);
const block = page.getBlockById(blockId);
assertExists(block);
if (
page
.getPreviousSiblings(block)
.findLast(
(block): block is ImageBlockModel =>
block.flavour === 'affine:image'
)
) {
const prevBlock = page
.getPreviousSiblings(block)
.findLast(
(block): block is ImageBlockModel =>
block.flavour === 'affine:image'
);
if (prevBlock) {
setBlockId(prevBlock.id);
}
} else if (
page
.getNextSiblings(block)
.find(
(block): block is ImageBlockModel =>
block.flavour === 'affine:image'
)
) {
const nextBlock = page
.getNextSiblings(block)
.find(
(block): block is ImageBlockModel =>
block.flavour === 'affine:image'
);
if (nextBlock) {
setBlockId(nextBlock.id);
}
} else {
onClose();
}
page.deleteBlock(block);
},
[props, setBlockId]
);
const downloadHandler = useCallback(
async (blockId: string | null) => {
const workspace = props.workspace;
const page = workspace.getPage(props.pageId);
assertExists(page);
if (typeof blockId === 'string') {
const block = page.getBlockById(blockId) as ImageBlockModel;
assertExists(block);
const store = await block.page.blobs;
const url = store?.get(block.sourceId);
const img = await url;
if (!img) {
return;
}
const arrayBuffer = await img.arrayBuffer();
const buffer = new Uint8Array(arrayBuffer);
let fileType: string;
if (
buffer[0] === 0x47 &&
buffer[1] === 0x49 &&
buffer[2] === 0x46 &&
buffer[3] === 0x38
) {
fileType = 'image/gif';
} else if (
buffer[0] === 0x89 &&
buffer[1] === 0x50 &&
buffer[2] === 0x4e &&
buffer[3] === 0x47
) {
fileType = 'image/png';
} else if (
buffer[0] === 0xff &&
buffer[1] === 0xd8 &&
buffer[2] === 0xff &&
buffer[3] === 0xe0
) {
fileType = 'image/jpeg';
} else {
// unknown, fallback to png
console.error('unknown image type');
fileType = 'image/png';
}
const downloadUrl = URL.createObjectURL(
new Blob([arrayBuffer], { type: fileType })
);
const a = document.createElement('a');
a.href = downloadUrl;
a.download = block.id ?? 'image';
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
}
},
[props.pageId, props.workspace]
);
const [caption, setCaption] = useState(() => {
const page = props.workspace.getPage(props.pageId);
assertExists(page);
const block = page.getBlockById(props.blockId) as ImageBlockModel;
assertExists(block);
return block?.caption;
});
useEffect(() => {
const page = props.workspace.getPage(props.pageId);
assertExists(page);
const block = page.getBlockById(props.blockId) as ImageBlockModel;
assertExists(block);
setCaption(block?.caption);
}, [props.blockId, props.pageId, props.workspace]);
const { data, error } = useSWR(
['workspace', 'image', props.pageId, props.blockId],
{
fetcher: ([_, __, pageId, blockId]) => {
const page = props.workspace.getPage(pageId);
assertExists(page);
const block = page.getBlockById(blockId) as ImageBlockModel;
assertExists(block);
return props.workspace.blobs.get(block?.sourceId);
},
suspense: true,
}
);
useErrorBoundary(error);
const [prevData, setPrevData] = useState<string | null>(() => data);
const [url, setUrl] = useState<string | null>(null);
if (data === null) {
return null;
} else if (prevData !== data) {
if (url) {
URL.revokeObjectURL(url);
}
setUrl(URL.createObjectURL(data));
setPrevData(data);
} else if (!url) {
setUrl(URL.createObjectURL(data));
}
if (!url) {
return null;
}
return (
<div
className={imagePreviewModalStyle}
onClick={event => {
if (event.target === event.currentTarget) {
setIsOpen(false);
}
}}
>
<div className={imagePreviewModalContainerStyle}>
<div
className={clsx('zoom-area', { 'zoomed-bigger': isZoomedBigger })}
ref={zoomRef}
>
<div className={imagePreviewModalCenterStyle}>
<img
data-blob-id={props.blockId}
data-testid="image-content"
src={url}
alt={caption}
ref={imageRef}
draggable={isZoomedBigger}
onMouseDown={handleDragStart}
onMouseMove={handleDrag}
onMouseUp={handleDragEnd}
onLoad={resetZoom}
/>
{isZoomedBigger ? null : (
<p
data-testid="image-caption-zoomedout"
className={imagePreviewModalCaptionStyle}
>
{caption}
</p>
)}
</div>
</div>
</div>
<div
className={imageBottomContainerStyle}
onClick={event => event.stopPropagation()}
>
{isZoomedBigger && caption !== '' ? (
<p data-testid={'image-caption-zoomedin'} className={captionStyle}>
{caption}
</p>
) : null}
<div className={imagePreviewActionBarStyle}>
<div>
<Tooltip content={'Previous'} disablePortal={false}>
<Button
data-testid="previous-image-button"
icon={<ArrowLeftSmallIcon className={buttonIconStyle} />}
type="plain"
className={buttonStyle}
onClick={() => {
assertExists(blockId);
previousImageHandler(blockId);
}}
/>
</Tooltip>
<Tooltip content={'Next'} disablePortal={false}>
<Button
data-testid="next-image-button"
icon={<ArrowRightSmallIcon className={buttonIconStyle} />}
className={buttonStyle}
type="plain"
onClick={() => {
assertExists(blockId);
nextImageHandler(blockId);
}}
/>
</Tooltip>
</div>
<div className={groupStyle}></div>
<Tooltip
content={'Fit to Screen'}
disablePortal={true}
showArrow={false}
>
<Button
data-testid="fit-to-screen-button"
icon={<ViewBarIcon className={buttonIconStyle} />}
type="plain"
className={buttonStyle}
onClick={() => resetZoom()}
/>
</Tooltip>
<Tooltip content={'Zoom out'} disablePortal={false}>
<Button
data-testid="zoom-out-button"
icon={<MinusIcon className={buttonIconStyle} />}
className={buttonStyle}
type="plain"
onClick={zoomOut}
/>
</Tooltip>
<Tooltip content={'Reset Scale'} disablePortal={false}>
<Button
data-testid="reset-scale-button"
type="plain"
size={'large'}
className={scaleIndicatorButtonStyle}
onClick={resetScale}
>
{`${(currentScale * 100).toFixed(0)}%`}
</Button>
</Tooltip>
<Tooltip content={'Zoom in'} disablePortal={false}>
<Button
data-testid="zoom-in-button"
icon={<PlusIcon className={buttonIconStyle} />}
className={buttonStyle}
type="plain"
onClick={() => zoomIn()}
/>
</Tooltip>
<div className={groupStyle}></div>
<Tooltip content={'Download'} disablePortal={false}>
<Button
data-testid="download-button"
icon={<DownloadIcon className={buttonIconStyle} />}
type="plain"
className={buttonStyle}
onClick={() => {
assertExists(blockId);
downloadHandler(blockId).catch(err => {
console.error('Could not download image', err);
});
}}
/>
</Tooltip>
<Tooltip content={'Copy to clipboard'} disablePortal={false}>
<Button
data-testid="copy-to-clipboard-button"
icon={<CopyIcon className={buttonIconStyle} />}
type="plain"
className={buttonStyle}
onClick={() => {
if (!imageRef.current) {
return;
}
const canvas = document.createElement('canvas');
canvas.width = imageRef.current.naturalWidth;
canvas.height = imageRef.current.naturalHeight;
const context = canvas.getContext('2d');
if (!context) {
console.warn('Could not get canvas context');
return;
}
context.drawImage(imageRef.current, 0, 0);
canvas.toBlob(blob => {
if (!blob) {
console.warn('Could not get blob');
return;
}
const dataUrl = URL.createObjectURL(blob);
navigator.clipboard
.write([new ClipboardItem({ 'image/png': blob })])
.then(() => {
console.log('Image copied to clipboard');
URL.revokeObjectURL(dataUrl);
})
.catch(error => {
console.error('Error copying image to clipboard', error);
URL.revokeObjectURL(dataUrl);
});
}, 'image/png');
toast('Copied to clipboard.');
}}
/>
</Tooltip>
<div className={groupStyle}></div>
<Tooltip content={'Delete'} disablePortal={false}>
<Button
data-testid="delete-button"
icon={<DeleteIcon className={buttonIconStyle} />}
type="plain"
className={buttonStyle}
onClick={() => blockId && deleteHandler(blockId)}
/>
</Tooltip>
</div>
</div>
</div>
);
};
const ErrorLogger = (props: FallbackProps) => {
useEffect(() => {
console.error('image preview modal error', props.error);
}, [props.error]);
return null;
};
export const ImagePreviewErrorBoundary = (
props: PropsWithChildren
): ReactElement => {
return (
<ErrorBoundary fallbackRender={ErrorLogger}>{props.children}</ErrorBoundary>
);
};
export const ImagePreviewModal = (
props: ImagePreviewModalProps
): ReactElement | null => {
const [blockId, setBlockId] = useAtom(previewBlockIdAtom);
const [isOpen, setIsOpen] = useAtom(hasAnimationPlayedAtom);
const handleKeyUp = useCallback(
(event: KeyboardEvent) => {
if (event.key === 'Escape') {
event.preventDefault();
event.stopPropagation();
if (isOpen) {
setIsOpen(false);
}
return;
}
if (!blockId) {
return;
}
const workspace = props.workspace;
const page = workspace.getPage(props.pageId);
assertExists(page);
const block = page.getBlockById(blockId);
assertExists(block);
if (event.key === 'ArrowLeft') {
const prevBlock = page
.getPreviousSiblings(block)
.findLast(
(block): block is ImageBlockModel =>
block.flavour === 'affine:image'
);
if (prevBlock) {
setBlockId(prevBlock.id);
}
} else if (event.key === 'ArrowRight') {
const nextBlock = page
.getNextSiblings(block)
.find(
(block): block is ImageBlockModel =>
block.flavour === 'affine:image'
);
if (nextBlock) {
setBlockId(nextBlock.id);
}
} else {
return;
}
event.preventDefault();
event.stopPropagation();
},
[blockId, setBlockId, props.workspace, props.pageId, isOpen, setIsOpen]
);
useEffect(() => {
document.addEventListener('keyup', handleKeyUp);
return () => {
document.removeEventListener('keyup', handleKeyUp);
};
}, [handleKeyUp]);
if (!blockId) {
return null;
}
return (
<ImagePreviewErrorBoundary>
<div
data-testid="image-preview-modal"
className={`${imagePreviewBackgroundStyle} ${
isOpen ? loaded : unloaded
}`}
>
<Suspense>
<ImagePreviewModalImpl
{...props}
blockId={blockId}
onClose={() => setBlockId(null)}
/>
</Suspense>
<button
data-testid="image-preview-close-button"
onClick={() => {
setBlockId(null);
}}
className={imagePreviewModalCloseButtonStyle}
>
<svg
width="10"
height="10"
viewBox="0 0 10 10"
fill="none"
xmlns="http://www.w3.org/2000/svg"
>
<path
fillRule="evenodd"
clipRule="evenodd"
d="M0.286086 0.285964C0.530163 0.0418858 0.925891 0.0418858 1.16997 0.285964L5.00013 4.11613L8.83029 0.285964C9.07437 0.0418858 9.4701 0.0418858 9.71418 0.285964C9.95825 0.530041 9.95825 0.925769 9.71418 1.16985L5.88401 5.00001L9.71418 8.83017C9.95825 9.07425 9.95825 9.46998 9.71418 9.71405C9.4701 9.95813 9.07437 9.95813 8.83029 9.71405L5.00013 5.88389L1.16997 9.71405C0.925891 9.95813 0.530163 9.95813 0.286086 9.71405C0.0420079 9.46998 0.0420079 9.07425 0.286086 8.83017L4.11625 5.00001L0.286086 1.16985C0.0420079 0.925769 0.0420079 0.530041 0.286086 0.285964Z"
fill="#77757D"
/>
</svg>
</button>
</div>
</ImagePreviewErrorBoundary>
);
};