bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/whiteboard/component.jsx
Ramón Souza f76731fd03
Merge pull request #19583 from KDSBrowne/bbb-19580
fix(whiteboard): Ensure Only Presenter Has Ability to Pan Canvas
2024-03-12 15:57:21 -03:00

1111 lines
36 KiB
JavaScript

import * as React from "react";
import PropTypes from "prop-types";
import { Tldraw, track, useEditor, DefaultColorStyle, DefaultDashStyle, DefaultFillStyle, DefaultFontStyle, DefaultSizeStyle } from "@tldraw/tldraw";
import "@tldraw/tldraw/tldraw.css";
import SlideCalcUtil, {
HUNDRED_PERCENT,
MAX_PERCENT,
} from "/imports/utils/slideCalcUtils";
// eslint-disable-next-line import/no-extraneous-dependencies
import Settings from "/imports/ui/services/settings";
import logger from "/imports/startup/client/logger";
import KEY_CODES from "/imports/utils/keyCodes";
import {
presentationMenuHeight,
styleMenuOffset,
styleMenuOffsetSmall,
} from "/imports/ui/stylesheets/styled-components/general";
import Styled from "./styles";
import {
findRemoved,
filterInvalidShapes,
mapLanguage,
usePrevious,
} from "./utils";
// import { throttle } from "/imports/utils/throttle";
import { isEqual, clone } from "radash";
import { InstancePresenceRecordType } from "@tldraw/tldraw";
import { useRef } from "react";
import { debounce, throttle } from "radash";
import { useMouseEvents, useCursor } from "./hooks";
const SMALL_HEIGHT = 435;
const SMALLEST_DOCK_HEIGHT = 475;
const SMALL_WIDTH = 800;
const SMALLEST_DOCK_WIDTH = 710;
const TOOLBAR_SMALL = 28;
const TOOLBAR_LARGE = 32;
const MOUNTED_RESIZE_DELAY = 1500;
// Helper functions
const deleteLocalStorageItemsWithPrefix = (prefix) => {
const keysToRemove = Object.keys(localStorage).filter((key) =>
key.startsWith(prefix)
);
keysToRemove.forEach((key) => localStorage.removeItem(key));
};
// Example of typical LocalStorage entry tldraw creates:
// `{ TLDRAW_USER_DATA_v3: '{"version":2,"user":{"id":"epDk1 ...`
const clearTldrawCache = () => {
deleteLocalStorageItemsWithPrefix("TLDRAW");
};
const calculateEffectiveZoom = (initViewboxWidth, curViewboxWidth) => {
// Calculate the effective zoom level based on the change in viewBoxWidth
const effectiveZoomValue = (initViewboxWidth * 100) / curViewboxWidth;
return effectiveZoomValue;
};
const determineViewerFitToWidth = (currentPresentationPage) => {
return (
currentPresentationPage?.scaledViewBoxWidth ===
currentPresentationPage?.scaledWidth &&
currentPresentationPage?.scaledViewBoxHeight !==
currentPresentationPage?.scaledHeight
);
};
export default Whiteboard = React.memo(function Whiteboard(props) {
const {
isPresenter,
removeShapes,
initDefaultPages,
persistShapeWrapper,
shapes,
assets,
currentUser,
whiteboardId,
zoomSlide,
curPageId,
zoomChanger,
isMultiUserActive,
isRTL,
fitToWidth,
zoomValue,
intl,
svgUri,
maxStickyNoteLength,
fontFamily,
colorStyle,
dashStyle,
fillStyle,
fontStyle,
sizeStyle,
presentationAreaHeight,
presentationAreaWidth,
maxNumberOfAnnotations,
notifyShapeNumberExceeded,
darkTheme,
setTldrawIsMounting,
width,
height,
tldrawAPI,
setTldrawAPI,
whiteboardToolbarAutoHide,
toggleToolsAnimations,
isIphone,
sidebarNavigationWidth,
animations,
isToolbarVisible,
isModerator,
fullscreenRef,
fullscreenElementId,
layoutContextDispatch,
currentPresentationPage,
numberOfPages,
presentationId,
hasWBAccess,
bgShape,
whiteboardWriters,
publishCursorUpdate,
otherCursors,
isShapeOwner,
ShapeStylesContext,
hideViewersCursor,
presentationHeight,
presentationWidth,
skipToSlide,
} = props;
clearTldrawCache();
if (!currentPresentationPage) return null;
const [tlEditor, setTlEditor] = React.useState(null);
const [zoom, setZoom] = React.useState(HUNDRED_PERCENT);
const [isMounting, setIsMounting] = React.useState(true);
const [initialViewBoxWidth, setInitialViewBoxWidth] = React.useState(null);
const prevFitToWidth = usePrevious(fitToWidth);
const prevPageId = usePrevious(null);
const whiteboardRef = React.useRef(null);
const zoomValueRef = React.useRef(null);
const prevShapesRef = React.useRef(shapes);
const prevOtherCursorsRef = useRef(otherCursors);
const tlEditorRef = React.useRef(tlEditor);
const slideChanged = React.useRef(false);
const slideNext = React.useRef(null);
const prevZoomValueRef = React.useRef(null);
const initialZoomRef = useRef(null);
const isFirstZoomActionRef = useRef(true);
const isMouseDownRef = useRef(false);
const isMountedRef = useRef(false);
const isWheelZoomRef = useRef(false);
const isPresenterRef = useRef(isPresenter);
const whiteboardIdRef = React.useRef(whiteboardId);
const curPageIdRef = React.useRef(curPageId);
const hasWBAccessRef = React.useRef(hasWBAccess);
const THRESHOLD = 0.1;
const lastKnownHeight = React.useRef(presentationAreaHeight);
const lastKnownWidth = React.useRef(presentationAreaWidth);
const [shapesVersion, setShapesVersion] = React.useState(0);
React.useEffect(() => {
curPageIdRef.current = curPageId;
}, [curPageId]);
React.useEffect(() => {
whiteboardIdRef.current = whiteboardId;
}, [whiteboardId]);
React.useEffect(() => {
hasWBAccessRef.current = hasWBAccess;
if (!hasWBAccess && !isPresenter) {
tlEditorRef?.current?.setCurrentTool('select');
}
}, [hasWBAccess]);
const language = React.useMemo(() => {
return mapLanguage(Settings?.application?.locale?.toLowerCase() || "en");
}, [Settings?.application?.locale]);
const [cursorPosition, updateCursorPosition] = useCursor(
publishCursorUpdate,
whiteboardIdRef.current
);
const handleKeyDown = (event) => {
if (!isPresenterRef.current) {
if (!hasWBAccessRef.current || (hasWBAccessRef.current && (!tlEditorRef.current.editingShape))) {
event.preventDefault();
event.stopPropagation();
return;
}
}
};
React.useEffect(() => {
if (!isEqual(isPresenterRef.current, isPresenter)) {
isPresenterRef.current = isPresenter;
}
}, [isPresenter]);
React.useEffect(() => {
if (!isEqual(hasWBAccessRef.current, hasWBAccess)) {
hasWBAccessRef.current = hasWBAccess;
}
}, [hasWBAccess]);
React.useEffect(() => {
if (!isEqual(prevShapesRef.current, shapes)) {
prevShapesRef.current = shapes;
setShapesVersion(v => v + 1);
}
}, [shapes]);
React.useEffect(() => {
if (!isEqual(prevOtherCursorsRef.current, otherCursors)) {
prevOtherCursorsRef.current = otherCursors;
}
}, [otherCursors]);
React.useEffect(() => {
if (whiteboardRef.current) {
whiteboardRef.current.addEventListener('keydown', handleKeyDown, { capture: true });
}
return () => {
whiteboardRef.current?.removeEventListener('keydown', handleKeyDown);
};
}, [whiteboardRef.current]);
const { shapesToAdd, shapesToUpdate, shapesToRemove } = React.useMemo(() => {
const selectedShapeIds = tlEditorRef.current?.selectedShapeIds || [];
const localShapes = tlEditorRef.current?.currentPageShapes;
const filteredShapes = localShapes?.filter((item) => item?.index !== "a0") || [];
const localLookup = new Map(filteredShapes.map((shape) => [shape.id, shape]));
const remoteShapeIds = Object.keys(prevShapesRef.current);
const toAdd = [];
const toUpdate = [];
const toRemove = [];
filteredShapes.forEach((localShape) => {
if (!remoteShapeIds.includes(localShape.id)) {
toRemove.push(localShape.id);
}
});
Object.values(prevShapesRef.current).forEach((remoteShape) => {
if (!remoteShape.id) return;
const localShape = localLookup.get(remoteShape.id);
const prevShape = prevShapesRef.current[remoteShape.id];
if (!localShape) {
delete remoteShape.isModerator
delete remoteShape.questionType
toAdd.push(remoteShape);
} else if (!isEqual(localShape, remoteShape) && prevShape) {
const diff = {
id: remoteShape.id,
type: remoteShape.type,
typeName: remoteShape.typeName,
};
if (!selectedShapeIds.includes(remoteShape.id) && prevShape?.meta?.updatedBy !== currentUser?.userId) {
Object.keys(remoteShape).forEach((key) => {
if (key !== "isModerator" && !isEqual(remoteShape[key], localShape[key])) {
diff[key] = remoteShape[key];
}
});
if (remoteShape.props) {
Object.keys(remoteShape.props).forEach((key) => {
if (!isEqual(remoteShape.props[key], localShape.props[key])) {
diff.props = diff.props || {};
diff.props[key] = remoteShape.props[key];
}
});
}
delete diff.isModerator
delete diff.questionType
toUpdate.push(diff);
}
}
});
return {
shapesToAdd: toAdd,
shapesToUpdate: toUpdate,
shapesToRemove: toRemove,
};
}, [prevShapesRef.current, curPageIdRef.current]);
const setCamera = (zoom, x = 0, y = 0) => {
if (tlEditorRef.current) {
tlEditorRef.current.setCamera({ x, y, z: zoom }, false);
}
};
const calculateZoomValue = (localWidth, localHeight, isViewer = false) => {
let calcedZoom;
if (isViewer) {
// Logic originally in calculateViewerZoom
calcedZoom = fitToWidth
? presentationAreaWidth / localWidth
: Math.min(
presentationAreaWidth / localWidth,
presentationAreaHeight / localHeight
);
} else {
// Logic originally in calculateZoom
calcedZoom = fitToWidth
? presentationAreaWidth / localWidth
: Math.min(
presentationAreaWidth / localWidth,
presentationAreaHeight / localHeight
);
}
return calcedZoom === 0 || calcedZoom === Infinity
? HUNDRED_PERCENT
: calcedZoom;
};
useMouseEvents(
{ whiteboardRef, tlEditorRef, isWheelZoomRef, initialZoomRef },
{
isPresenter,
hasWBAccess: hasWBAccessRef.current,
isMouseDownRef,
whiteboardToolbarAutoHide,
animations,
publishCursorUpdate,
whiteboardId: whiteboardIdRef.current,
cursorPosition,
updateCursorPosition,
toggleToolsAnimations,
currentPresentationPage,
zoomChanger,
}
);
// update tlEditor ref
React.useEffect(() => {
tlEditorRef.current = tlEditor;
}, [tlEditor]);
React.useEffect(() => {
let undoRedoIntervalId = null;
const undo = () => {
tlEditorRef?.current?.history?.undo();
};
const redo = () => {
tlEditorRef?.current?.history?.redo();
};
const handleArrowPress = (event) => {
const currPageNum = parseInt(curPageIdRef.current);
const shapeSelected = tlEditorRef.current.selectedShapes.length > 0;
const changeSlide = (direction) => {
let newSlideNum = currPageNum + direction;
const outOfBounds = direction > 0
? newSlideNum > currentPresentationPage?.totalPages
: newSlideNum < 1;
if (outOfBounds) return;
skipToSlide(newSlideNum);
setZoom(HUNDRED_PERCENT);
zoomChanger(HUNDRED_PERCENT);
zoomSlide(HUNDRED_PERCENT, HUNDRED_PERCENT, 0, 0);
};
if (!shapeSelected) {
if (event.keyCode === KEY_CODES.ARROW_RIGHT) {
changeSlide(1); // Move to the next slide
} else if (event.keyCode === KEY_CODES.ARROW_LEFT) {
changeSlide(-1); // Move to the previous slide
}
}
}
const handleUndoRedoOnCondition = (condition, action) => {
if (condition) {
action();
}
};
const handleKeyDown = (event) => {
const undoCondition = event.ctrlKey && event.key === 'z' && !event.shiftKey;
const redoCondition = event.ctrlKey && event.shiftKey && event.key === 'Z';
if ((undoCondition || redoCondition) && (isPresenter || hasWBAccessRef.current)) {
event.preventDefault();
event.stopPropagation();
if (!undoRedoIntervalId) {
undoRedoIntervalId = setInterval(() => {
handleUndoRedoOnCondition(undoCondition, undo);
handleUndoRedoOnCondition(redoCondition, redo);
}, 150);
}
}
if ((event.keyCode === KEY_CODES.ARROW_RIGHT || event.keyCode === KEY_CODES.ARROW_LEFT) && isPresenter) {
handleArrowPress(event)
}
};
const handleKeyUp = (event) => {
if ((event.key === 'z' || event.key === 'Z') && undoRedoIntervalId) {
clearInterval(undoRedoIntervalId);
undoRedoIntervalId = null;
}
};
whiteboardRef.current?.addEventListener('keydown', handleKeyDown, { capture: true });
whiteboardRef.current?.addEventListener('keyup', handleKeyUp, { capture: true });
return () => {
whiteboardRef.current?.removeEventListener('keydown', handleKeyDown);
whiteboardRef.current?.removeEventListener('keyup', handleKeyUp);
if (undoRedoIntervalId) {
clearInterval(undoRedoIntervalId);
}
};
}, [whiteboardRef.current]);
React.useEffect(() => {
zoomValueRef.current = zoomValue;
if (tlEditor && curPageIdRef.current && currentPresentationPage && isPresenter && isWheelZoomRef.current === false) {
const zoomFitSlide = calculateZoomValue(
currentPresentationPage.scaledWidth,
currentPresentationPage.scaledHeight
);
const zoomCamera = (zoomFitSlide * zoomValue) / HUNDRED_PERCENT;
// Assuming centerX and centerY represent the center of the current view
const centerX = tlEditor.camera.x + (tlEditor.viewportPageBounds.width / 2) / tlEditor.camera.z;
const centerY = tlEditor.camera.y + (tlEditor.viewportPageBounds.height / 2) / tlEditor.camera.z;
// Calculate the new camera position to keep the center in focus after zoom
const nextCamera = {
x: centerX + (centerX / zoomCamera - centerX) - (centerX / tlEditor.camera.z - centerX),
y: centerY + (centerY / zoomCamera - centerY) - (centerY / tlEditor.camera.z - centerY),
z: zoomCamera,
};
// Apply bounds restriction logic
const { maxX, maxY, minX, minY } = tlEditor.viewportPageBounds;
const { scaledWidth, scaledHeight } = currentPresentationPage;
if (maxX > scaledWidth) {
nextCamera.x += maxX - scaledWidth;
}
if (maxY > scaledHeight) {
nextCamera.y += maxY - scaledHeight;
}
if (nextCamera.x > 0 || minX < 0 || zoomValueRef.current === HUNDRED_PERCENT) {
nextCamera.x = 0;
}
if (nextCamera.y > 0 || minY < 0 || zoomValueRef.current === HUNDRED_PERCENT) {
nextCamera.y = 0;
}
if (zoomValue !== prevZoomValueRef.current) {
tlEditor.setCamera(nextCamera, false);
// Recalculate viewed region width and height if necessary for zoomSlide call
let viewedRegionW = SlideCalcUtil.calcViewedRegionWidth(
tlEditor.viewportPageBounds.width,
currentPresentationPage.scaledWidth
);
let viewedRegionH = SlideCalcUtil.calcViewedRegionHeight(
tlEditor.viewportPageBounds.height,
currentPresentationPage.scaledHeight
);
zoomSlide(
viewedRegionW,
viewedRegionH,
nextCamera.x,
nextCamera.y,
);
}
}
// Update the previous zoom value ref with the current zoom value
prevZoomValueRef.current = zoomValue;
}, [zoomValue, tlEditor, curPageIdRef.current, isWheelZoomRef.current]);
React.useEffect(() => {
if (
presentationHeight > 0
&& presentationWidth > 0
&& tlEditorRef.current
&& currentPresentationPage
&& currentPresentationPage.scaledWidth > 0
&& currentPresentationPage.scaledHeight > 0
) {
const baseZoom = calculateZoomValue(
currentPresentationPage.scaledWidth,
currentPresentationPage.scaledHeight
);
initialZoomRef.current = baseZoom;
}
}, [presentationAreaHeight, presentationHeight, presentationAreaWidth, presentationWidth, tlEditorRef, currentPresentationPage]);
React.useEffect(() => {
// Calculate the absolute difference
const heightDifference = Math.abs(presentationAreaHeight - lastKnownHeight.current);
const widthDifference = Math.abs(presentationAreaWidth - lastKnownWidth.current);
// Check if the difference is greater than the threshold
if (heightDifference > THRESHOLD || widthDifference > THRESHOLD) {
// Update the last known dimensions
lastKnownHeight.current = presentationAreaHeight;
lastKnownWidth.current = presentationAreaWidth;
if (
presentationAreaHeight > 0 &&
presentationAreaWidth > 0 &&
tlEditor &&
currentPresentationPage &&
currentPresentationPage.scaledWidth > 0 &&
currentPresentationPage.scaledHeight > 0
) {
const currentZoom = zoomValueRef.current || HUNDRED_PERCENT;
const baseZoom = calculateZoomValue(
currentPresentationPage.scaledWidth,
currentPresentationPage.scaledHeight
);
let adjustedZoom = baseZoom * (currentZoom / HUNDRED_PERCENT);
if (isPresenter) {
const camera = tlEditorRef.current.camera;
if (fitToWidth && currentPresentationPage) {
const currentAspectRatio =
Math.round((presentationAreaWidth / presentationAreaHeight) * 100) / 100;
const previousAspectRatio =
Math.round(
(currentPresentationPage.scaledViewBoxWidth /
currentPresentationPage.scaledViewBoxHeight) *
100
) / 100;
setCamera(adjustedZoom, camera.x, camera.y);
const viewedRegionH = SlideCalcUtil.calcViewedRegionHeight(
tlEditorRef.current?.viewportPageBounds.height,
currentPresentationPage.scaledHeight
);
setZoom(HUNDRED_PERCENT);
zoomChanger(HUNDRED_PERCENT);
zoomSlide(
HUNDRED_PERCENT,
viewedRegionH,
camera.x,
camera.y,
presentationId
);
} else {
setCamera(adjustedZoom, camera.x, camera.y);
}
} else {
// Viewer logic
const effectiveZoom = calculateEffectiveZoom(
initialViewBoxWidth,
currentPresentationPage.scaledViewBoxWidth
);
adjustedZoom = baseZoom * (effectiveZoom / HUNDRED_PERCENT);
const camera = tlEditorRef.current.camera;
setCamera(adjustedZoom, camera.x, camera.y);
}
}
}
}, [presentationAreaHeight, presentationAreaWidth, curPageIdRef.current]);
React.useEffect(() => {
if (!fitToWidth && isPresenter) {
setZoom(HUNDRED_PERCENT);
zoomChanger(HUNDRED_PERCENT);
zoomSlide(
HUNDRED_PERCENT,
HUNDRED_PERCENT,
0,
0,
);
}
}, [fitToWidth, isPresenter]);
React.useEffect(() => {
if (currentPresentationPage.scaledViewBoxWidth && !initialViewBoxWidth) {
setInitialViewBoxWidth(currentPresentationPage.scaledViewBoxWidth);
}
if (!isPresenter && tlEditorRef.current && initialViewBoxWidth) {
const viewerFitToWidth = determineViewerFitToWidth(
currentPresentationPage
);
// Calculate the effective zoom based on the change in viewBoxWidth
const effectiveZoom = calculateEffectiveZoom(
initialViewBoxWidth,
currentPresentationPage.scaledViewBoxWidth
);
const zoomFitSlide = calculateZoomValue(
currentPresentationPage.scaledWidth,
currentPresentationPage.scaledHeight,
true
);
const zoomCamera = (zoomFitSlide * effectiveZoom) / HUNDRED_PERCENT;
setCamera(
zoomCamera,
currentPresentationPage?.xOffset,
currentPresentationPage?.yOffset
);
}
}, [
currentPresentationPage?.xOffset,
currentPresentationPage?.yOffset,
currentPresentationPage?.scaledViewBoxWidth,
currentPresentationPage?.scaledViewBoxHeight,
]);
React.useEffect(() => {
// Check if there are any changes to be made
if (shapesToAdd.length || shapesToUpdate.length || shapesToRemove.length) {
const tlStoreUpdateTimeoutId = setTimeout(() => {
tlEditor?.store?.mergeRemoteChanges(() => {
if (shapesToRemove.length > 0) {
tlEditor?.store?.remove(shapesToRemove);
}
if (shapesToAdd.length) {
tlEditor?.store?.put(shapesToAdd);
}
if (shapesToUpdate.length) {
tlEditor?.updateShapes(shapesToUpdate);
}
});
}, 150);
return () => clearTimeout(tlStoreUpdateTimeoutId);
}
}, [shapesToAdd, shapesToUpdate, shapesToRemove]);
// Updating presences in tldraw store based on changes in cursors
React.useEffect(() => {
if (tlEditorRef.current) {
const useElement = document.querySelector(".tl-cursor use");
if (useElement && !isMultiUserActive && !isPresenter) {
useElement.setAttribute("href", "#redPointer");
} else if (useElement) {
useElement.setAttribute("href", "#cursor");
}
const updatedPresences = prevOtherCursorsRef.current
.map(({ userId, user, xPercent, yPercent }) => {
const { presenter, name } = user;
const id = InstancePresenceRecordType.createId(userId);
const active = yPercent !== -1 && yPercent !== -1;
// if cursor is not active remove it from tldraw store
if (!active || (hideViewersCursor && user.role === 'VIEWER' && !currentUser?.presenter) || (!presenter && !isMultiUserActive)) {
tlEditorRef.current?.store.remove([id]);
return null;
}
const currentPageId = tlEditorRef.current?.currentPageId;
const cursor = {
x: xPercent,
y: yPercent,
type: "default",
rotation: 0,
};
const color = presenter ? "#FF0000" : "#70DB70";
const c = {
...InstancePresenceRecordType.create({
id,
currentPageId,
userId,
userName: name,
cursor,
color,
}),
lastActivityTimestamp: Date.now(),
};
return c;
})
.filter((cursor) => cursor && cursor.userId !== currentUser?.userId);
// If there are any updated presences, put them all in the store
if (updatedPresences.length) {
tlEditorRef.current?.store.put(updatedPresences);
}
}
}, [prevOtherCursorsRef.current]);
// set current tldraw page when presentation id updates
React.useEffect(() => {
if (tlEditorRef.current && curPageIdRef.current !== "0") {
const pages = [
{
meta: {},
id: `page:${curPageIdRef.current}`,
name: `Slide ${curPageIdRef.current}`,
index: `a1`,
typeName: "page",
},
];
tlEditorRef.current.store.mergeRemoteChanges(() => {
tlEditorRef.current.batch(() => {
tlEditorRef.current.store.put(pages);
tlEditorRef.current.deletePage(tlEditorRef.current.currentPageId);
tlEditorRef.current.setCurrentPage(`page:${curPageIdRef.current}`);
tlEditorRef.current.store.put(assets);
tlEditorRef.current.createShapes(bgShape);
tlEditorRef.current.history.clear();
});
});
whiteboardToolbarAutoHide &&
toggleToolsAnimations(
"fade-in",
"fade-out",
"0s",
hasWBAccessRef.current || isPresenter
);
slideChanged.current = false;
slideNext.current = null;
}
}, [curPageIdRef.current]);
React.useEffect(() => {
setTldrawIsMounting(true);
return () => {
isMountedRef.current = false;
};
}, []);
React.useEffect(() => {
if (isMountedRef.current) {
setTimeout(() => {
if (
presentationAreaHeight > 0 &&
presentationAreaWidth > 0 &&
currentPresentationPage &&
currentPresentationPage?.scaledWidth > 0 &&
currentPresentationPage?.scaledHeight > 0
) {
let adjustedZoom = HUNDRED_PERCENT;
if (isPresenter) {
// Presenter logic
const currentZoom = zoomValueRef.current || HUNDRED_PERCENT;
const baseZoom = calculateZoomValue(
currentPresentationPage?.scaledWidth,
currentPresentationPage?.scaledHeight
);
adjustedZoom = baseZoom * (currentZoom / HUNDRED_PERCENT);
} else {
// Viewer logic
const effectiveZoom = calculateEffectiveZoom(
initialViewBoxWidth,
currentPresentationPage?.scaledViewBoxWidth
);
const baseZoom = calculateZoomValue(
currentPresentationPage?.scaledWidth,
currentPresentationPage?.scaledHeight,
true
);
adjustedZoom = baseZoom * (effectiveZoom / HUNDRED_PERCENT);
}
setCamera(adjustedZoom);
}
}, 250);
}
}, [
isMountedRef.current,
presentationId,
curPageIdRef.current,
isMultiUserActive,
isPresenter,
animations,
]);
React.useEffect(() => {
if (isMounting) {
setIsMounting(false);
/// brings presentation toolbar back
setTldrawIsMounting(false);
}
}, [
tlEditorRef?.current?.camera,
presentationAreaWidth,
presentationAreaHeight,
]);
const handleTldrawMount = (editor) => {
setTlEditor(editor);
setTldrawAPI(editor);
editor?.user?.updateUserPreferences({ locale: language });
const debouncePersistShape = debounce({ delay: 0 }, persistShapeWrapper);
const colorStyles = ['black', 'blue', 'green', 'grey', 'light-blue', 'light-green', 'light-red', 'light-violet', 'orange', 'red', 'violet', 'yellow'];
const dashStyles = ['dashed', 'dotted', 'draw', 'solid'];
const fillStyles = ['none', 'pattern', 'semi', 'solid'];
const fontStyles = ['draw','mono','sans', 'serif'];
const sizeStyles = ['l', 'm', 's', 'xl'];
if ( colorStyles.includes(colorStyle) ) {
editor.setStyleForNextShapes(DefaultColorStyle, colorStyle);
}
if ( dashStyles.includes(dashStyle) ) {
editor.setStyleForNextShapes(DefaultDashStyle, dashStyle);
}
if ( fillStyles.includes(fillStyle) ) {
editor.setStyleForNextShapes(DefaultFillStyle, fillStyle);
}
if ( fontStyles.includes(fontStyle)) {
editor.setStyleForNextShapes(DefaultFontStyle, fontStyle);
}
if ( sizeStyles.includes(sizeStyle) ) {
editor.setStyleForNextShapes(DefaultSizeStyle, sizeStyle);
}
editor.store.listen(
(entry) => {
const { changes } = entry;
const { added, updated, removed } = changes;
Object.values(added).forEach((record) => {
const updatedRecord = {
...record,
meta: {
...record.meta,
createdBy: currentUser?.userId,
},
};
persistShapeWrapper(updatedRecord, whiteboardIdRef.current, isModerator);
});
Object.values(updated).forEach(([_, record]) => {
const updatedRecord = {
...record,
meta: {
...prevShapesRef.current[record?.id]?.meta,
updatedBy: currentUser?.userId,
},
};
persistShapeWrapper(updatedRecord, whiteboardIdRef.current, isModerator);
});
Object.values(removed).forEach((record) => {
removeShapes([record.id]);
});
},
{ source: "user", scope: "document" }
);
editor.store.listen(
(entry) => {
const { changes, source } = entry;
const { updated } = changes;
const { "pointer:pointer": pointers } = updated;
if (pointers) {
const [prevPointer, nextPointer] = pointers;
updateCursorPosition(nextPointer?.x, nextPointer?.y);
}
const camKey = `camera:page:${curPageIdRef.current}`;
const { [camKey]: cameras } = updated;
if (cameras) {
const [prevCam, nextCam] = cameras;
const panned = prevCam.x !== nextCam.x || prevCam.y !== nextCam.y;
if (panned && isPresenter) {
let viewedRegionW = SlideCalcUtil.calcViewedRegionWidth(
editor?.viewportPageBounds.width,
currentPresentationPage?.scaledWidth
);
let viewedRegionH = SlideCalcUtil.calcViewedRegionHeight(
editor?.viewportPageBounds.height,
currentPresentationPage?.scaledHeight
);
zoomSlide(
viewedRegionW,
viewedRegionH,
nextCam.x,
nextCam.y,
);
}
}
},
{ source: "user" }
);
if (editor && curPageIdRef.current) {
const pages = [
{
meta: {},
id: `page:${curPageIdRef.current}`,
name: `Slide ${curPageIdRef.current}`,
index: `a1`,
typeName: "page",
},
];
editor.store.mergeRemoteChanges(() => {
editor.batch(() => {
editor.store.put(pages);
editor.deletePage(editor.currentPageId);
editor.setCurrentPage(`page:${curPageIdRef.current}`);
editor.store.put(assets);
editor.createShapes(bgShape);
editor.history.clear();
});
});
const remoteShapes = shapes;
const localShapes = editor.store.allRecords();
const filteredShapes =
localShapes.filter((item) => item.typeName === "shape") || [];
const localShapesObj = {};
filteredShapes.forEach((shape) => {
localShapesObj[shape.id] = shape;
});
const shapesToAdd = [];
for (let id in remoteShapes) {
if (
!localShapesObj[id] ||
JSON.stringify(remoteShapes[id]) !==
JSON.stringify(localShapesObj[id])
) {
shapesToAdd.push(remoteShapes[id]);
}
}
editor.store.mergeRemoteChanges(() => {
if (shapesToAdd && shapesToAdd.length) {
shapesToAdd.forEach((shape) => {
delete shape.isModerator;
delete shape.questionType;
});
editor.store.put(shapesToAdd);
}
});
editor.store.onBeforeChange = (prev, next, source) => {
if (next?.typeName === "instance_page_state") {
if (isPresenter || isModerator) return next;
// Filter selectedShapeIds based on shape owner
if (!isEqual(prev.selectedShapeIds, next.selectedShapeIds)) {
next.selectedShapeIds = next.selectedShapeIds.filter(shapeId => {
const shapeOwner = prevShapesRef.current[shapeId]?.meta?.createdBy;
return shapeOwner === currentUser?.userId;
});
}
if (!isEqual(prev.hoveredShapeId, next.hoveredShapeId)) {
const hoveredShapeOwner = prevShapesRef.current[next.hoveredShapeId]?.meta?.createdBy;
if (hoveredShapeOwner !== currentUser?.userId) {
next.hoveredShapeId = null;
}
}
return next;
}
const camera = editor?.camera;
const panned =
next?.id?.includes("camera") &&
(prev.x !== next.x || prev.y !== next.y);
const zoomed = next?.id?.includes("camera") && prev.z !== next.z;
if (panned) {
// // limit bounds
if (
editor?.viewportPageBounds?.maxX >
currentPresentationPage?.scaledWidth
) {
next.x +=
editor.viewportPageBounds.maxX -
currentPresentationPage?.scaledWidth;
}
if (
editor?.viewportPageBounds?.maxY >
currentPresentationPage?.scaledHeight
) {
next.y +=
editor.viewportPageBounds.maxY -
currentPresentationPage?.scaledHeight;
}
if (next.x > 0 || editor.viewportPageBounds.minX < 0) {
next.x = 0;
}
if (next.y > 0 || editor.viewportPageBounds.minY < 0) {
next.y = 0;
}
}
return next;
};
}
isMountedRef.current = true;
};
return (
<div
ref={whiteboardRef}
id={"whiteboard-element"}
key={`animations=-${animations}-${isPresenter}-${isModerator}-${whiteboardToolbarAutoHide}-${language}`}
>
<Tldraw
key={`tldrawv2-${presentationId}-${animations}`}
forceMobile={true}
hideUi={hasWBAccessRef.current || isPresenter ? false : true}
onMount={handleTldrawMount}
/>
<Styled.TldrawV2GlobalStyle
{...{ hasWBAccess: hasWBAccessRef.current, isPresenter, isRTL, isMultiUserActive, isToolbarVisible }}
/>
</div>
);
});
Whiteboard.propTypes = {
isPresenter: PropTypes.bool,
isIphone: PropTypes.bool.isRequired,
removeShapes: PropTypes.func.isRequired,
initDefaultPages: PropTypes.func.isRequired,
persistShapeWrapper: PropTypes.func.isRequired,
notifyNotAllowedChange: PropTypes.func.isRequired,
shapes: PropTypes.objectOf(PropTypes.shape).isRequired,
assets: PropTypes.arrayOf(PropTypes.shape).isRequired,
currentUser: PropTypes.shape({
userId: PropTypes.string.isRequired,
}),
whiteboardId: PropTypes.string,
zoomSlide: PropTypes.func.isRequired,
curPageId: PropTypes.string.isRequired,
presentationWidth: PropTypes.number.isRequired,
presentationHeight: PropTypes.number.isRequired,
zoomChanger: PropTypes.func.isRequired,
isRTL: PropTypes.bool.isRequired,
fitToWidth: PropTypes.bool.isRequired,
zoomValue: PropTypes.number.isRequired,
intl: PropTypes.shape({
formatMessage: PropTypes.func.isRequired,
}).isRequired,
svgUri: PropTypes.string,
maxStickyNoteLength: PropTypes.number.isRequired,
fontFamily: PropTypes.string.isRequired,
colorStyle: PropTypes.string.isRequired,
dashStyle: PropTypes.string.isRequired,
fillStyle: PropTypes.string.isRequired,
fontStyle: PropTypes.string.isRequired,
sizeStyle: PropTypes.string.isRequired,
presentationAreaHeight: PropTypes.number.isRequired,
presentationAreaWidth: PropTypes.number.isRequired,
maxNumberOfAnnotations: PropTypes.number.isRequired,
notifyShapeNumberExceeded: PropTypes.func.isRequired,
darkTheme: PropTypes.bool.isRequired,
setTldrawIsMounting: PropTypes.func.isRequired,
width: PropTypes.number.isRequired,
height: PropTypes.number.isRequired,
fullscreenElementId: PropTypes.string.isRequired,
isFullscreen: PropTypes.bool.isRequired,
layoutContextDispatch: PropTypes.func.isRequired,
fullscreenAction: PropTypes.string.isRequired,
fullscreenRef: PropTypes.instanceOf(Element),
handleToggleFullScreen: PropTypes.func.isRequired,
numberOfPages: PropTypes.number,
sidebarNavigationWidth: PropTypes.number,
presentationId: PropTypes.string,
};
Whiteboard.defaultProps = {
fullscreenRef: undefined,
svgUri: undefined,
whiteboardId: undefined,
sidebarNavigationWidth: 0,
presentationId: undefined,
currentUser: {
userId: '',
},
isPresenter: false,
numberOfPages: 0,
};