🚸(frontend) improve share screen UX

Enhanced the share screen button by adding a tooltip and improving contrast for
better accessibility. Created a temporary icon by combining two from Remix, but
it’s bulky and will need refactoring soon.

src/frontend/src/features/rooms/livekit/components/controls/ScreenShareToggle.tsx

@@ -0,0 +1,54 @@
+import { Div, ToggleButton } from '@/primitives'
+import { RiArrowUpLine, RiCloseFill, RiRectangleLine } from '@remixicon/react'
+import { useTranslation } from 'react-i18next'
+import { useTrackToggle, UseTrackToggleProps } from '@livekit/components-react'
+import { Track } from 'livekit-client'
+import React from 'react'
+
+export const ScreenShareToggle = (
+  props: Omit<
+    UseTrackToggleProps<Track.Source.ScreenShare>,
+    'source' | 'captureOptions'
+  >
+) => {
+  const { t } = useTranslation('rooms', { keyPrefix: 'controls' })
+  const { buttonProps, enabled } = useTrackToggle({
+    ...props,
+    source: Track.Source.ScreenShare,
+    captureOptions: { audio: true, selfBrowserSurface: 'include' },
+  })
+
+  const Icon = enabled ? RiCloseFill : RiArrowUpLine
+
+  // fixme - remove ToggleButton custom styles when we design a proper icon
+  return (
+    <ToggleButton
+      isSelected={enabled}
+      square
+      legacyStyle
+      tooltip={t(enabled ? 'stopScreenShare' : 'shareScreen')}
+      onPress={(e) =>
+        buttonProps.onClick?.(
+          e as unknown as React.MouseEvent<HTMLButtonElement, MouseEvent>
+        )
+      }
+      style={{
+        maxWidth: '46px',
+        maxHeight: '46px',
+      }}
+    >
+      <Div position="relative">
+        <RiRectangleLine size={28} />
+        <Icon
+          size={16}
+          style={{
+            position: 'absolute',
+            top: '50%',
+            left: '50%',
+            transform: 'translate(-50%, -50%)',
+          }}
+        />
+      </Div>
+    </ToggleButton>
+  )
+}

src/frontend/src/features/rooms/livekit/prefabs/ControlBar.tsx

@@ -4,7 +4,6 @@ import * as React from 'react'
 import { supportsScreenSharing } from '@livekit/components-core'
 
 import {
-  TrackToggle,
   useMaybeLayoutContext,
   usePersistentUserChoices,
 } from '@livekit/components-react'
@@ -12,13 +11,13 @@ import {
 import { mergeProps } from '@/utils/mergeProps.ts'
 import { StartMediaButton } from '../components/controls/StartMediaButton'
 import { useMediaQuery } from '../hooks/useMediaQuery'
-import { useTranslation } from 'react-i18next'
 import { OptionsButton } from '../components/controls/Options/OptionsButton'
 import { ParticipantsToggle } from '../components/controls/Participants/ParticipantsToggle'
 import { ChatToggle } from '../components/controls/ChatToggle'
 import { HandToggle } from '../components/controls/HandToggle'
 import { SelectToggleDevice } from '../components/controls/SelectToggleDevice'
 import { LeaveButton } from '../components/controls/LeaveButton'
+import { ScreenShareToggle } from '../components/controls/ScreenShareToggle'
 
 /** @public */
 export type ControlBarControls = {
@@ -66,7 +65,6 @@ export function ControlBar({
   onDeviceError,
   ...props
 }: ControlBarProps) {
-  const { t } = useTranslation('rooms', { keyPrefix: 'controls' })
   const [isChatOpen, setIsChatOpen] = React.useState(false)
   const layoutContext = useMaybeLayoutContext()
   React.useEffect(() => {
@@ -82,26 +80,8 @@ export function ControlBar({
   const defaultVariation = isTooLittleSpace ? 'minimal' : 'verbose'
   variation ??= defaultVariation
 
-  const showIcon = React.useMemo(
-    () => variation === 'minimal' || variation === 'verbose',
-    [variation]
-  )
-  const showText = React.useMemo(
-    () => variation === 'textOnly' || variation === 'verbose',
-    [variation]
-  )
-
   const browserSupportsScreenSharing = supportsScreenSharing()
 
-  const [isScreenShareEnabled, setIsScreenShareEnabled] = React.useState(false)
-
-  const onScreenShareChange = React.useCallback(
-    (enabled: boolean) => {
-      setIsScreenShareEnabled(enabled)
-    },
-    [setIsScreenShareEnabled]
-  )
-
   const htmlProps = mergeProps({ className: 'lk-control-bar' }, props)
 
   const {
@@ -146,18 +126,11 @@ export function ControlBar({
         }
       />
       {browserSupportsScreenSharing && (
-        <TrackToggle
+        <ScreenShareToggle
-          source={Track.Source.ScreenShare}
-          captureOptions={{ audio: true, selfBrowserSurface: 'include' }}
-          showIcon={showIcon}
-          onChange={onScreenShareChange}
           onDeviceError={(error) =>
             onDeviceError?.({ source: Track.Source.ScreenShare, error })
           }
-        >
+        />
-          {showText &&
-            t(isScreenShareEnabled ? 'stopScreenShare' : 'shareScreen')}
-        </TrackToggle>
       )}
       <HandToggle />
       <ChatToggle />