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Video-Chat/public/script.js

145 lines
4.6 KiB
JavaScript

const socket = io("/")
const videos = document.getElementById("videos")
const myPeer = new Peer()
const popup = document.querySelector("#popup")
const hrefInput = document.querySelector("#href")
const myVideo = document.createElement("video")
myVideo.muted = true
const dragElement = (element) => {
let startX, startY, startWidth, startHeight
const doDrag = (event) =>
(element.style.width =
startWidth +
(event.clientX || event.touches[0].clientX) -
startX +
"px")
let pos1 = 0,
pos2 = 0,
pos3 = 0,
pos4 = 0
const elementDrag = (event) => {
pos1 = pos3 - (event.clientX || event.touches[0].clientX)
pos2 = pos4 - (event.clientY || event.touches[0].clientY)
pos3 = event.clientX || event.touches[0].clientX
pos4 = event.clientY || event.touches[0].clientY
element.style.top = `${element.offsetTop - pos2}px`
element.style.left = `${element.offsetLeft - pos1}px`
}
const removeFunctions = (resize) => {
document.removeEventListener("mousemove", resize ? doDrag : elementDrag)
document.removeEventListener("mouseup", this)
document.removeEventListener("touchmove", resize ? doDrag : elementDrag)
document.removeEventListener("touchend", this)
}
const initDrag = (event) => {
startX = event.clientX || event.touches[0].clientX
startY = event.clientY || event.touches[0].clientY
startWidth = element.clientWidth
startHeight = element.clientHeight
document.addEventListener("mousemove", doDrag)
document.addEventListener("touchmove", doDrag)
document.addEventListener("touchend", () => removeFunctions(true))
document.addEventListener("mouseup", () => removeFunctions(true))
}
const resizer = document.createElement("div")
resizer.className = "resizer"
element.appendChild(resizer)
resizer.addEventListener("mousedown", initDrag)
resizer.addEventListener("touchstart", initDrag)
const dragMouseDown = (event) => {
if (event.target == resizer) return
pos3 = event.clientX || event.touches[0].clientX
pos4 = event.clientY || event.touches[0].clientY
document.addEventListener("mousemove", elementDrag)
document.addEventListener("touchmove", elementDrag)
document.addEventListener("touchend", () => removeFunctions())
document.addEventListener("mouseup", () => removeFunctions())
}
element.addEventListener("mousedown", dragMouseDown)
element.addEventListener("touchstart", dragMouseDown)
}
const connectToNewUser = (userId, stream) => {
console.log("somebody joined", stream, userId)
const call = myPeer.call(userId, stream)
const video = document.createElement("video")
call.on("stream", (userVideoStream) =>
addVideoStream(video, userVideoStream)
)
call.on("close", () => video.remove())
}
const addVideoStream = (video, stream, isYours) => {
video.srcObject = stream
video.addEventListener("loadedmetadata", () => video.play())
if (isYours) {
const container = document.createElement("div")
container.classList.add("your-video")
container.append(video)
videos.append(container)
return dragElement(container)
}
video.controls = "controls"
videos.append(video)
}
document
.querySelector("#share")
.addEventListener("click", () => popup.classList.remove("dismissed"))
hrefInput.value = window.location.href
document.querySelector("#copy").addEventListener("click", () => {
hrefInput.focus()
hrefInput.select()
navigator.clipboard.writeText(hrefInput.value)
document.querySelector("#is-copied").classList.add("copied")
})
document
.querySelector("#close")
.addEventListener("click", () => popup.classList.add("dismissed"))
navigator.mediaDevices
.getUserMedia({
video: true,
audio: true,
})
.then((stream) => {
addVideoStream(myVideo, stream, true)
myPeer.on("call", (call) => {
call.answer(stream)
const video = document.createElement("video")
call.on("close", () => video.remove())
call.on("stream", (userVideoStream) =>
addVideoStream(video, userVideoStream)
)
})
socket.on("user-connected", (userId) =>
connectToNewUser(userId, stream)
)
})
socket.on("user-disconnected", (userId) => {
const call = myPeer.connections[userId]
if (call) call[0].close()
console.log("somebody left", userId)
})
myPeer.on("open", (id) => socket.emit("join-room", ROOM_ID, id))