refactor: remove unused cursor code

bbb-graphql-actions/src/actions/presentationPublishCursor.ts

@@ -0,0 +1,24 @@
+import { RedisMessage } from '../types';
+
+export default function buildRedisMessage(sessionVariables: Record<string, unknown>, input: Record<string, unknown>): RedisMessage {
+  const eventName = `SendCursorPositionPubMsg`;
+
+  const routing = {
+    meetingId: sessionVariables['x-hasura-meetingid'] as String,
+    userId: sessionVariables['x-hasura-userid'] as String
+  };
+
+  const header = {
+    name: eventName,
+    meetingId: routing.meetingId,
+    userId: routing.userId
+  };
+
+  const body = {
+    whiteboardId: input.whiteboardId,
+    xPercent: input.xPercent,
+    yPercent: input.yPercent,
+  };
+
+  return { eventName, routing, header, body };
+}

bbb-graphql-server/metadata/actions.graphql

@@ -287,6 +287,14 @@ type Mutation {
   ): Boolean
 }
 
+type Mutation {
+  presentationPublishCursor(
+    whiteboardId: String!
+    xPercent: Float!
+    yPercent: Float!
+  ): Boolean
+}
+
 type Mutation {
   presentationRemove(
     presentationId: String!

bbb-graphql-server/metadata/actions.yaml

@@ -252,6 +252,12 @@ actions:
     permissions:
       - role: bbb_client
     comment: presentationExport
+  - name: presentationPublishCursor
+    definition:
+      kind: synchronous
+      handler: '{{HASURA_BBB_GRAPHQL_ACTIONS_ADAPTER_URL}}'
+    permissions:
+      - role: bbb_client
   - name: presentationRemove
     definition:
       kind: synchronous

bigbluebutton-html5/imports/ui/components/presentation/mutations.jsx

@@ -90,6 +90,16 @@ export const PRES_ANNOTATION_SUBMIT = gql`
   }
 `;
 
+export const PRESENTATION_PUBLISH_CURSOR = gql`
+  mutation PresentationPublishCursor($whiteboardId: String!, $xPercent: Float!, $yPercent: Float!) {
+    presentationPublishCursor(
+      whiteboardId: $whiteboardId,
+      xPercent: $xPercent,
+      yPercent: $yPercent,
+    )
+  }
+`;
+
 export default {
   PRESENTATION_SET_ZOOM,
   PRESENTATION_SET_WRITERS,
@@ -100,4 +110,5 @@ export default {
   PRESENTATION_REMOVE,
   PRES_ANNOTATION_DELETE,
   PRES_ANNOTATION_SUBMIT,
+  PRESENTATION_PUBLISH_CURSOR,
 };

bigbluebutton-html5/imports/ui/components/whiteboard/container.jsx

@@ -1,14 +1,20 @@
-import React, { useEffect, useRef, useState } from 'react';
+import React, {
+  useEffect,
+  useRef,
+  useState,
+  useMemo,
+} from 'react';
 import { useSubscription, useMutation } from '@apollo/client';
 import {
   AssetRecordType,
 } from '@tldraw/tldraw';
+import { throttle } from 'radash';
 import {
   CURRENT_PRESENTATION_PAGE_SUBSCRIPTION,
   CURRENT_PAGE_ANNOTATIONS_STREAM,
   CURRENT_PAGE_WRITERS_SUBSCRIPTION,
+  CURSOR_SUBSCRIPTION,
 } from './queries';
-import { CURSOR_SUBSCRIPTION } from './cursors/queries';
 import {
   initDefaultPages,
   persistShape,
@@ -17,7 +23,6 @@ import {
   toggleToolsAnimations,
   formatAnnotations,
 } from './service';
-import CursorService from './cursors/service';
 import SettingsService from '/imports/ui/services/settings';
 import Auth from '/imports/ui/services/auth';
 import {
@@ -35,6 +40,7 @@ import {
   PRES_ANNOTATION_DELETE,
   PRES_ANNOTATION_SUBMIT,
   PRESENTATION_SET_PAGE,
+  PRESENTATION_PUBLISH_CURSOR,
 } from '../presentation/mutations';
 
 const WHITEBOARD_CONFIG = window.meetingClientSettings.public.whiteboard;
@@ -76,6 +82,7 @@ const WhiteboardContainer = (props) => {
   const [presentationSetPage] = useMutation(PRESENTATION_SET_PAGE);
   const [presentationDeleteAnnotations] = useMutation(PRES_ANNOTATION_DELETE);
   const [presentationSubmitAnnotations] = useMutation(PRES_ANNOTATION_SUBMIT);
+  const [presentationPublishCursor] = useMutation(PRESENTATION_PUBLISH_CURSOR);
 
   const setPresentationPage = (pageId) => {
     presentationSetPage({
@@ -131,6 +138,23 @@ const WhiteboardContainer = (props) => {
     persistShape(shape, whiteboardId, isModerator, submitAnnotations);
   };
 
+  const publishCursorUpdate = (payload) => {
+    const { whiteboardId, xPercent, yPercent } = payload;
+
+    presentationPublishCursor({
+      variables: {
+        whiteboardId,
+        xPercent,
+        yPercent,
+      },
+    });
+  };
+
+  const throttledPublishCursorUpdate = useMemo(() => throttle(
+    { interval: WHITEBOARD_CONFIG.cursorInterval },
+    publishCursorUpdate,
+  ), []);
+
   const isMultiUserActive = whiteboardWriters?.length > 0;
 
   const { data: currentUser } = useCurrentUser((user) => ({
@@ -282,7 +306,7 @@ const WhiteboardContainer = (props) => {
       }}
       {...props}
       meetingId={Auth.meetingID}
-      publishCursorUpdate={CursorService.publishCursorUpdate}
+      publishCursorUpdate={throttledPublishCursorUpdate}
       otherCursors={cursorArray}
       hideViewersCursor={meeting?.data?.lockSettings?.hideViewersCursor}
     />