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monoadmin
278
app/viewer/[sessionId]/page.tsx
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278
app/viewer/[sessionId]/page.tsx
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'use client'
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import { useEffect, useState, useRef, useCallback } from 'react'
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import { useParams, useRouter } from 'next/navigation'
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import { Button } from '@/components/ui/button'
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import {
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Maximize2,
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Minimize2,
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Monitor,
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Loader2,
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AlertCircle,
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} from 'lucide-react'
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import { ViewerToolbar } from '@/components/viewer/toolbar'
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import { ConnectionStatus } from '@/components/viewer/connection-status'
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interface Session {
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id: string
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machineId: string | null
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machineName: string | null
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startedAt: string
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endedAt: string | null
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connectionType: string | null
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}
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type ConnectionState = 'connecting' | 'connected' | 'disconnected' | 'error'
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export default function ViewerPage() {
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const params = useParams()
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const router = useRouter()
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const sessionId = params.sessionId as string
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const [session, setSession] = useState<Session | null>(null)
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const [connectionState, setConnectionState] = useState<ConnectionState>('connecting')
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const [isFullscreen, setIsFullscreen] = useState(false)
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const [showToolbar, setShowToolbar] = useState(true)
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const [quality, setQuality] = useState<'high' | 'medium' | 'low'>('high')
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const [isMuted, setIsMuted] = useState(true)
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const [error, setError] = useState<string | null>(null)
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const containerRef = useRef<HTMLDivElement>(null)
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const canvasRef = useRef<HTMLCanvasElement>(null)
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useEffect(() => {
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fetch(`/api/sessions/${sessionId}`)
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.then((r) => r.json())
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.then((data) => {
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if (!data.session) {
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setError('Session not found')
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setConnectionState('error')
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return
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}
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if (data.session.endedAt) {
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setError('This session has ended')
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setConnectionState('disconnected')
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return
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}
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setSession(data.session)
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simulateConnection()
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})
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.catch(() => {
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setError('Failed to load session')
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setConnectionState('error')
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})
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}, [sessionId])
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const simulateConnection = () => {
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setConnectionState('connecting')
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setTimeout(() => {
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setConnectionState('connected')
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startDemoScreen()
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}, 2000)
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}
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const startDemoScreen = () => {
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const canvas = canvasRef.current
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if (!canvas) return
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const ctx = canvas.getContext('2d')
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if (!ctx) return
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canvas.width = 1920
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canvas.height = 1080
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const draw = () => {
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ctx.fillStyle = '#1e1e2e'
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ctx.fillRect(0, 0, canvas.width, canvas.height)
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const icons = [
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{ x: 50, y: 50, label: 'Documents' },
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{ x: 50, y: 150, label: 'Pictures' },
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{ x: 50, y: 250, label: 'Downloads' },
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]
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ctx.font = '14px system-ui'
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ctx.textAlign = 'center'
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icons.forEach((icon) => {
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ctx.fillStyle = '#313244'
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ctx.fillRect(icon.x, icon.y, 60, 60)
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ctx.fillStyle = '#cdd6f4'
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ctx.fillText(icon.label, icon.x + 30, icon.y + 80)
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})
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ctx.fillStyle = '#181825'
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ctx.fillRect(0, canvas.height - 48, canvas.width, 48)
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ctx.fillStyle = '#89b4fa'
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ctx.fillRect(10, canvas.height - 40, 40, 32)
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const time = new Date().toLocaleTimeString('en-US', { hour: '2-digit', minute: '2-digit' })
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ctx.fillStyle = '#cdd6f4'
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ctx.font = '14px system-ui'
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ctx.textAlign = 'right'
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ctx.fillText(time, canvas.width - 20, canvas.height - 18)
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ctx.fillStyle = '#1e1e2e'
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ctx.fillRect(300, 100, 800, 500)
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ctx.strokeStyle = '#313244'
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ctx.lineWidth = 1
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ctx.strokeRect(300, 100, 800, 500)
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ctx.fillStyle = '#181825'
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ctx.fillRect(300, 100, 800, 32)
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ctx.fillStyle = '#cdd6f4'
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ctx.font = '13px system-ui'
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ctx.textAlign = 'left'
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ctx.fillText('RemoteLink Agent - Connected', 312, 121)
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ctx.fillStyle = '#a6adc8'
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ctx.font = '16px system-ui'
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ctx.fillText('Remote session active', 320, 180)
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ctx.fillText('Connection: Secure (WebRTC)', 320, 210)
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ctx.fillText('Latency: ~45ms', 320, 240)
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ctx.fillStyle = '#a6e3a1'
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ctx.beginPath()
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ctx.arc(320, 280, 6, 0, Math.PI * 2)
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ctx.fill()
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ctx.fillStyle = '#cdd6f4'
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ctx.fillText('Connected to viewer', 335, 285)
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}
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draw()
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const interval = setInterval(draw, 1000)
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return () => clearInterval(interval)
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}
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const handleKeyDown = useCallback(
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(e: KeyboardEvent) => {
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if (connectionState !== 'connected') return
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console.log('[Viewer] Key pressed:', e.key)
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},
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[connectionState]
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)
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const handleMouseMove = useCallback(
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(e: React.MouseEvent<HTMLCanvasElement>) => {
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if (connectionState !== 'connected') return
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const canvas = canvasRef.current
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if (!canvas) return
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const rect = canvas.getBoundingClientRect()
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const _x = ((e.clientX - rect.left) * canvas.width) / rect.width
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const _y = ((e.clientY - rect.top) * canvas.height) / rect.height
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},
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[connectionState]
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)
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const handleMouseClick = useCallback(
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(e: React.MouseEvent<HTMLCanvasElement>) => {
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if (connectionState !== 'connected') return
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console.log('[Viewer] Mouse clicked:', e.button)
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},
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[connectionState]
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)
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const toggleFullscreen = async () => {
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if (!containerRef.current) return
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if (!document.fullscreenElement) {
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await containerRef.current.requestFullscreen()
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setIsFullscreen(true)
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} else {
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await document.exitFullscreen()
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setIsFullscreen(false)
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}
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}
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const endSession = async () => {
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if (session) {
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const duration = Math.floor((Date.now() - new Date(session.startedAt).getTime()) / 1000)
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await fetch(`/api/sessions/${session.id}`, {
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method: 'PATCH',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ endedAt: new Date().toISOString(), durationSeconds: duration }),
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})
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}
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setConnectionState('disconnected')
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router.push('/dashboard/sessions')
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}
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useEffect(() => {
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document.addEventListener('keydown', handleKeyDown)
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return () => document.removeEventListener('keydown', handleKeyDown)
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}, [handleKeyDown])
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useEffect(() => {
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if (isFullscreen && connectionState === 'connected') {
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const timer = setTimeout(() => setShowToolbar(false), 3000)
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return () => clearTimeout(timer)
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}
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}, [isFullscreen, connectionState, showToolbar])
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if (error) {
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return (
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<div className="min-h-svh bg-background flex items-center justify-center">
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<div className="text-center space-y-4">
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<AlertCircle className="h-12 w-12 text-destructive mx-auto" />
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<h1 className="text-xl font-semibold">{error}</h1>
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<Button onClick={() => router.push('/dashboard')}>Return to Dashboard</Button>
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</div>
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</div>
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)
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}
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return (
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<div
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ref={containerRef}
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className="min-h-svh bg-black flex flex-col"
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onMouseMove={() => isFullscreen && setShowToolbar(true)}
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>
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<div className={`transition-opacity duration-300 ${showToolbar ? 'opacity-100' : 'opacity-0'}`}>
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<ViewerToolbar
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session={session}
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connectionState={connectionState}
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isFullscreen={isFullscreen}
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quality={quality}
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isMuted={isMuted}
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onToggleFullscreen={toggleFullscreen}
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onQualityChange={setQuality}
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onToggleMute={() => setIsMuted(!isMuted)}
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onDisconnect={endSession}
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onReconnect={simulateConnection}
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/>
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</div>
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<div className="flex-1 flex items-center justify-center relative">
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{connectionState === 'connecting' && (
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<div className="absolute inset-0 flex items-center justify-center bg-background/80 z-10">
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<div className="text-center space-y-4">
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<Loader2 className="h-12 w-12 animate-spin text-primary mx-auto" />
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<div>
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<p className="font-semibold">Connecting to remote machine...</p>
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<p className="text-sm text-muted-foreground">{session?.machineName || 'Establishing connection'}</p>
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</div>
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</div>
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</div>
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)}
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<canvas
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ref={canvasRef}
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className="max-w-full max-h-full object-contain cursor-default"
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style={{
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display: connectionState === 'connected' ? 'block' : 'none',
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imageRendering: quality === 'low' ? 'pixelated' : 'auto',
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}}
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onMouseMove={handleMouseMove}
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onClick={handleMouseClick}
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onContextMenu={(e) => { e.preventDefault(); handleMouseClick(e) }}
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/>
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{connectionState === 'disconnected' && (
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<div className="text-center space-y-4">
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<Monitor className="h-16 w-16 text-muted-foreground mx-auto" />
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<div>
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<p className="font-semibold">Session Ended</p>
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<p className="text-sm text-muted-foreground">The remote connection has been closed</p>
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</div>
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<Button onClick={() => router.push('/dashboard')}>Return to Dashboard</Button>
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</div>
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)}
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</div>
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{connectionState === 'connected' && <ConnectionStatus quality={quality} />}
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</div>
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)
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}
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