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Video-Chat/public/scripts/utils.js
2022-06-02 14:56:53 -04:00

92 lines
3.2 KiB
JavaScript

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)
}
export const addVideoStream = (videoContainer, username, stream, isYours) => {
const videos = document.querySelector("#videos")
const video = videoContainer.querySelector("video")
video.srcObject = stream
video.addEventListener("loadedmetadata", () => video.play())
if (isYours) {
video.muted = true
videoContainer.classList.add("your-video")
videos.append(videoContainer)
return dragElement(videoContainer)
}
videoContainer.querySelector(".name").innerText = username
videos.append(videoContainer)
}
export const connectToNewUser = (userId, username, stream) => {
const call = myPeer.call(userId, stream)
const video = template.content.firstElementChild.cloneNode(true)
call.on("stream", (userVideoStream) =>
addVideoStream(video, username, userVideoStream)
)
call.on("close", () => video.remove())
}