mirror of
https://github.com/pierre42100/ComunicWeb
synced 2024-11-26 22:09:21 +00:00
935 lines
19 KiB
JavaScript
935 lines
19 KiB
JavaScript
/**
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* Calls window
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*
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* @author Pierre Hubert
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*/
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class CallWindow extends CustomEvents {
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/**
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* Create a new call window
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*
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* @param {Conversation} conv Information about the target conversation
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*/
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constructor(conv) {
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super()
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// Initialize variables
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this.conv = conv;
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this.callID = conv.ID;
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this.allowVideo = conv.can_have_video_call;
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/** @type {Map<number, Peer>} */
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this.peersEls = new Map()
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/** @type {Map<number, SimplePeer>} */
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this.streamsEls = new Map()
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/** @type {Map<number, HTMLVideoElement>} */
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this.videoEls = new Map()
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this.construct(conv);
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}
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async construct(conv) {
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try {
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// Check if calls target exists or not
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if(!byId("callsTarget"))
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createElem2({
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appendTo: byId("wrapper"),
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type: "div",
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id: "callsTarget",
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})
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this.conv = conv;
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this.rootEl = createElem2({
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appendTo: byId("callsTarget"),
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type: "div",
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class: "call-window"
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})
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if(!this.conv.can_have_video_call)
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this.rootEl.classList.add("audio-only")
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// Construct head
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this.windowHead = createElem2({
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appendTo: this.rootEl,
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type: "div",
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class: "head",
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innerHTML: "<i class='fa fa-phone'></i>" +
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"<span class='title'>"+ await getConvName(conv) + "</span>" +
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" <span class='pull-right'></span>"
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})
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// Close button
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this.closeButton = createElem2({
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appendTo: this.windowHead.querySelector(".pull-right"),
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type: "a",
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innerHTML: "<i class='fa fa-times'></i>",
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onclick: () => this.Close()
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})
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this.makeWindowDraggable();
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// Create members area
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this.membersArea = createElem2({
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appendTo: this.rootEl,
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type: "div",
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class: "members-area"
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})
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// Create videos area
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this.videosArea = createElem2({
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appendTo: this.rootEl,
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type: "div",
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class: "videos-area"
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})
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// Contruct bottom area
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const bottomArea = createElem2({
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appendTo: this.rootEl,
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type: "div",
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class: "window-bottom"
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})
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/**
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* @param {HTMLElement} btn
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* @param {boolean} selected
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*/
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const setButtonSelected = (btn, selected) => {
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if(selected)
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btn.classList.add("selected")
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else
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btn.classList.remove("selected")
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}
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// Display the list of buttons
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const buttonsList = [
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// Toggle current user camera visibility
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{
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icon: "fa-eye",
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selected: false,
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label: "toggle-camera-visibility",
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needVideo: true,
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onclick: (btn) => {
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setButtonSelected(btn, this.toggleMainStreamVisibility())
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}
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},
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// Audio button
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{
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icon: "fa-microphone",
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label: "mic",
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selected: false,
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onclick: () => {
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this.toggleStream(false)
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}
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},
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// Hang up button
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{
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icon: "fa-phone",
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class: "hang-up-button",
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selected: false,
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onclick: () => {
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this.Close(true)
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}
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},
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// Video button
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{
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icon: "fa-video-camera",
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label: "camera",
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selected: false,
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needVideo: true,
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onclick: () => {
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this.toggleStream(true)
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}
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},
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// Submenu button
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{
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subMenu: true,
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icon: "fa-ellipsis-v",
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selected: true,
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label: "submenu",
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onclick: () => {}
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},
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]
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// Sub-menu entries
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const menuEntries = [
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// Full screen button
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{
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icon: "fa-expand",
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text: "Toggle fullscreen",
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needVideo: true,
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onclick: () => {
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RequestFullScreen(this.rootEl);
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}
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},
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// Share screen button
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{
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icon: "fa-tv",
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text: "Share screen",
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needVideo: true,
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onclick: () => {
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this.startStreaming(true, true)
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}
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},
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// Share camera button
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{
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icon: "fa-video-camera",
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text: "Share webcam",
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needVideo: true,
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onclick: () => {
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this.startStreaming(true, false)
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}
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},
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// Record streams
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{
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icon: "fa-save",
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text: "Start / Stop recording",
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onclick: () => {
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this.startRecording()
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}
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},
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]
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//Add buttons
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buttonsList.forEach((button) => {
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if(button.needVideo && !this.allowVideo)
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return;
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const buttonEl = createElem2({
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appendTo: bottomArea,
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type: "div",
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innerHTML: "<i class='fa " + button.icon + "'></i>"
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});
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buttonEl.setAttribute("data-label", button.label)
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//Add button optionnal class
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if(button.class)
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buttonEl.classList.add(button.class);
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buttonEl.addEventListener("click", () => {
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button.onclick(buttonEl);
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});
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setButtonSelected(buttonEl, button.selected)
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});
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/**
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* Refresh buttons state
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*/
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this.refreshButtonsState = () => {
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// Microphone button
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setButtonSelected(
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bottomArea.querySelector("[data-label=\"mic\"]"),
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this.mainStream && this.mainStream.getAudioTracks()[0].enabled
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)
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// Video button
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if(this.allowVideo)
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setButtonSelected(
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bottomArea.querySelector("[data-label=\"camera\"]"),
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this.mainStream && this.mainStream.getVideoTracks().length > 0 &&
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this.mainStream.getVideoTracks()[0].enabled
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)
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}
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this.on("localVideo", () => {
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setButtonSelected(bottomArea.querySelector("[data-label=\"toggle-camera-visibility\"]"), true)
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})
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// Process sub menu
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const menu = bottomArea.querySelector("[data-label=\"submenu\"]");
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menu.classList.add("dropup");
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const menuButton = menu.firstChild;
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menuButton.classList.add("dropdown-toggle");
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menuButton.setAttribute("data-toggle", "dropdown")
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const menuEntriesTarget = createElem2({
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appendTo: menu,
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type: "ul",
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class: "dropdown-menu"
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})
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// Parse list of menu entries
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for(const entry of menuEntries) {
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if(entry.needVideo && !this.allowVideo)
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continue
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const a = createElem2({
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appendTo: menuEntriesTarget,
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type: "li",
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innerHTML: "<a></a>"
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}).firstChild;
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// Add icon
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createElem2({
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appendTo: a,
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type: "i",
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class: "fa " + entry.icon,
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})
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// Add label
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a.innerHTML += entry.text
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a.addEventListener("click", () => entry.onclick())
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}
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// Check for anchors
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this.CheckNewTargetForWindow()
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// Join the call
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await ws("calls/join", {
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convID: this.conv.ID
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})
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// Get call configuration
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this.callsConfig = await ws("calls/config");
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// Get the list of members of the call
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const currMembersList = await ws("calls/members", {
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callID: this.conv.ID
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})
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// Apply this list of user
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for(const user of currMembersList)
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if(user.userID != userID())
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await this.AddMember(user.userID)
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// Start to connect to ready pears
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for(const user of currMembersList)
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if(user.userID != userID() && user.ready)
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await this.PeerReady(user.userID)
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} catch(e) {
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console.error(e)
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notify("Could not initialize call!", "danger");
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}
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}
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/**
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* Check if current call window can be applied somewhere on the screen
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*/
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CheckNewTargetForWindow() {
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const target = byId("target-for-video-call-"+this.callID)
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this.rootEl.remove()
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if(target) {
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target.appendChild(this.rootEl)
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this.rootEl.classList.add("embedded")
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}
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else {
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byId("callsTarget").appendChild(this.rootEl)
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this.rootEl.classList.remove("embedded")
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}
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}
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/**
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* Check if this conversation window is open or not
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*
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* @returns {boolean}
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*/
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get isOpen() {
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return this.rootEl.isConnected
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}
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/**
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* Make the call window draggable
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*/
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makeWindowDraggable() {
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const checkWindowMinPosition = () => {
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if(window.innerHeight < this.rootEl.style.top.replace("px", ""))
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this.rootEl.style.top = "0px";
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if(window.innerWidth < this.rootEl.style.left.replace("px", ""))
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this.rootEl.style.left = "0px";
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if(this.rootEl.style.left.replace("px", "") < 0)
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this.rootEl.style.left = "0px";
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if(this.rootEl.style.top.replace("px", "") < 49)
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this.rootEl.style.top = "50px";
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}
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//Enable dragging
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{
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var pos1 = 0, pos2 = 0, pos3 = 0, pos4 = 0;
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this.windowHead.addEventListener("mousedown", (e) => {
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e = e || window.event;
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e.preventDefault();
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//Check if the window is currently in full screen mode
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if(IsFullScreen())
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return;
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//get the mouse cursor position at startup
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pos3 = e.clientX;
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pos4 = e.clientY;
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document.onmouseup = closeDragElement;
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document.onmousemove = elementDrag;
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});
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const elementDrag = (e) => {
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e = e || window.event;
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e.preventDefault();
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//Calculate new cursor position
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pos1 = pos3 - e.clientX;
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pos2 = pos4 - e.clientY;
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pos3 = e.clientX;
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pos4 = e.clientY;
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//Set element new position
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this.rootEl.style.top = (this.rootEl.offsetTop - pos2) + "px";
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this.rootEl.style.left = (this.rootEl.offsetLeft - pos1) + "px";
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checkWindowMinPosition();
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}
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const closeDragElement = () => {
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//Stop moving when mouse button is released
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document.onmouseup = null;
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document.onmousemove = null;
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}
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}
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window.addEventListener("resize", () => {
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checkWindowMinPosition();
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});
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}
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/**
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* Close this window & cancel the call
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*
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* @param {boolean} propagate Set to true to propagate
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* the event
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*/
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async Close(propagate = true) {
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this.rootEl.remove();
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// Leave the call
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if(UserWebSocket.IsConnected)
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await ws("calls/leave", {
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convID: this.conv.ID
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})
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if(this.mainPeer) {
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this.closeMainPeer()
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}
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// Destroy peer connections
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for(const el of this.peersEls)
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el[1].destroy()
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if(propagate)
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this.emitEvent("close");
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}
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/**
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* Add a member to this call
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*
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* @param {number} userID The ID of the target member
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*/
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async AddMember(userID) {
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// Apply user information
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const el = createElem2({
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appendTo: this.membersArea,
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type: "span",
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innerHTML: (await user(userID)).fullName
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});
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el.setAttribute("data-call-member-name-id", userID)
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}
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/**
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* Get the name element of a member
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*
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* @param {number} userID The ID of the user to get
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* @return {HTMLElement|null}
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*/
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getMemberNameEl(userID) {
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return this.membersArea.querySelector("[data-call-member-name-id=\""+userID+"\"]");
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}
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/**
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* Remove the video element of a specific user
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*
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* @param {number} peerID Target peer ID
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*/
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removeVideoElement(peerID) {
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const el = this.videoEls.get(peerID);
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this.videoEls.delete(peerID)
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el.pause()
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el.parentNode.remove()
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}
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/**
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* Remove a member connection
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*
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* @param {number} userID Target user ID
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*/
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async RemoveMemberConnection(userID) {
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const el = this.getMemberNameEl(userID)
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if(el)
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el.classList.remove("ready")
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// Remove video (if any)
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if(this.videoEls.has(userID)) {
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this.removeVideoElement(userID)
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}
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// Remove peer connection (if any)
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if(this.peersEls.has(userID)) {
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this.peersEls.get(userID).destroy()
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this.peersEls.delete(userID)
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}
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// Remove associated stream
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if(this.streamsEls.has(userID)) {
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this.streamsEls.delete(userID)
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}
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}
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/**
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* Remove a user from a call
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*
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* @param {number} userID The ID of the target user
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*/
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async RemoveMember(userID) {
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// Remove user name
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const el = this.getMemberNameEl(userID)
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if(el)
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el.remove()
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this.RemoveMemberConnection(userID);
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}
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/**
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* Get call configuration
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*/
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callConfig() {
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return {
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iceServers: this.callsConfig.iceServers.map((e) => {return {urls: e}})
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};
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}
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/**
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* Toggle stream state
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*
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* @param {boolean} isVideo
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*/
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async toggleStream(isVideo) {
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if(isVideo && !this.conv.can_have_video_call) {
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notify("Video calls can not be done on this conversations!", "danger")
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return;
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}
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const hasAudio = (this.mainPeer && !this.mainPeer.destroyed) === true;
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const hasVideo = (this.mainPeer && !this.mainPeer.destroyed && this.mainStream && this.mainStream.getVideoTracks().length > 0) === true;
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// Check if current stream is not enough
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if(hasAudio && isVideo && !hasVideo) {
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this.closeMainPeer()
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}
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// Check if we have to start stream or just to mute them
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if(!hasAudio || (isVideo && !hasVideo)) {
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try {
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await this.startStreaming(isVideo)
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} catch(e) {
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notify("Could not start streaming ! (did you block access to your camera / microphone ?)", "danger")
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console.error(e)
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}
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}
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// Toggle mute
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else {
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// Video
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if(isVideo) {
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this.mainStream.getVideoTracks()[0].enabled = !this.mainStream.getVideoTracks()[0].enabled
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}
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// Audio
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else {
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this.mainStream.getAudioTracks()[0].enabled = !this.mainStream.getAudioTracks()[0].enabled
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}
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}
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this.refreshButtonsState()
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}
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/**
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* Toggle current peer stream visibility
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*
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* @return {boolean} New state
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*/
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toggleMainStreamVisibility() {
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const el = this.videoEls.get(userID())
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if(!el || el.nodeName !== "VIDEO")
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return false;
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// Show again element
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if(el.parentNode.style.display == "none") {
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el.parentNode.style.display = ""
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return true
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}
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// Hide element
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else {
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|
el.parentNode.style.display = "none"
|
|
return false
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add audio / video stream to the user
|
|
*
|
|
* @param {number} peerID Remove peer ID
|
|
* @param {boolean} muted True to mute video
|
|
* @param {MediaStream} stream Target stream
|
|
*/
|
|
async applyStream(peerID, muted, stream) {
|
|
|
|
// Remove any previous video stream
|
|
if(this.videoEls.has(peerID)) {
|
|
this.removeVideoElement(peerID)
|
|
}
|
|
|
|
const isVideo = stream.getVideoTracks().length > 0;
|
|
|
|
const videoContainer = createElem2({
|
|
appendTo: this.videosArea,
|
|
type: "div",
|
|
class: isVideo ? "video" : undefined
|
|
})
|
|
|
|
// Apply video
|
|
const videoEl = document.createElement(isVideo ? "video" : "audio");
|
|
videoContainer.appendChild(videoEl)
|
|
|
|
videoEl.muted = muted;
|
|
|
|
videoEl.srcObject = stream
|
|
videoEl.play()
|
|
|
|
this.videoEls.set(peerID, videoEl)
|
|
|
|
|
|
if(isVideo) {
|
|
// Show user name
|
|
const userName = (await user(peerID)).fullName
|
|
videoEl.title = userName
|
|
}
|
|
|
|
if(isVideo && peerID == userID()) {
|
|
// Emit an event
|
|
this.emitEvent("localVideo")
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send a signal back to the proxy
|
|
*
|
|
* @param {Number} peerID Target peer ID
|
|
* @param {data} data The signal to send
|
|
*/
|
|
async SendSignal(peerID, data) {
|
|
const type = data.hasOwnProperty("sdp") ? "SDP" : "CANDIDATE";
|
|
|
|
await ws("calls/signal", {
|
|
callID: this.callID,
|
|
peerID: peerID,
|
|
type: type,
|
|
data: type == "SDP" ? JSON.stringify(data) : JSON.stringify(data.candidate)
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Start to send this client audio & video
|
|
*
|
|
* @param {boolean} includeVideo
|
|
* @param {boolean} shareScreen
|
|
*/
|
|
async startStreaming(includeVideo, shareScreen = false) {
|
|
|
|
// Close any previous connection
|
|
this.closeMainPeer();
|
|
this.refreshButtonsState()
|
|
|
|
let stream;
|
|
|
|
// Get user screen
|
|
if(includeVideo && shareScreen) {
|
|
stream = await requestUserScreen(true)
|
|
|
|
// Ask for audio separatly
|
|
const second_stream = await navigator.mediaDevices.getUserMedia({
|
|
audio: true
|
|
})
|
|
|
|
stream.addTrack(second_stream.getAudioTracks()[0])
|
|
}
|
|
|
|
// Use regular webcam
|
|
else {
|
|
// First, query user media
|
|
stream = await navigator.mediaDevices.getUserMedia({
|
|
video: this.conv.can_have_video_call && includeVideo,
|
|
audio: true,
|
|
})
|
|
}
|
|
this.mainStream = stream;
|
|
|
|
if(includeVideo)
|
|
stream.getVideoTracks()[0].applyConstraints({
|
|
width: {max: 320},
|
|
height: {max: 240},
|
|
frameRate: {max: 24}
|
|
})
|
|
|
|
// Check if the window was closed in the mean time
|
|
if(!this.isOpen)
|
|
return
|
|
|
|
// Show user video
|
|
await this.applyStream(userID(), true, stream)
|
|
this.refreshButtonsState()
|
|
|
|
this.mainPeer = new SimplePeer({
|
|
initiator: true,
|
|
trickle: true, // Allow exchange of multiple ice candidates
|
|
stream: stream,
|
|
config: this.callConfig()
|
|
})
|
|
|
|
// Forward signals
|
|
this.mainPeer.on("signal", data => {
|
|
this.SendSignal(userID(), data)
|
|
})
|
|
|
|
// Return errors
|
|
this.mainPeer.on("error", err => {
|
|
console.error("Peer error!", err);
|
|
notify("An error occured while trying to connect!", "danger", 5)
|
|
});
|
|
|
|
this.mainPeer.on("connect", () => {
|
|
console.info("Connected to remote peer!")
|
|
ws("calls/mark_ready", {
|
|
callID: this.callID
|
|
})
|
|
})
|
|
|
|
this.mainPeer.on("message", message => {
|
|
console.log("Message from remote peer: " + message);
|
|
});
|
|
|
|
this.mainPeer.on("stream", stream => {
|
|
console.log("mainPeer stream", stream)
|
|
alert("Stream on main peer!!!")
|
|
});
|
|
|
|
/*
|
|
|
|
DO NOT DO THIS !!! On configuration change it would close
|
|
the call window...
|
|
|
|
this.mainPeer.on("close", () => {
|
|
console.log("Connection to main peer was closed.")
|
|
if(this.mainPeer)
|
|
this.Close(false);
|
|
});*/
|
|
}
|
|
|
|
/**
|
|
* Close main peer connection
|
|
*/
|
|
async closeMainPeer() {
|
|
|
|
|
|
// Close peer connection
|
|
if(this.mainPeer) {
|
|
this.mainPeer.destroy();
|
|
delete this.mainPeer;
|
|
}
|
|
|
|
// Release user media
|
|
if(this.mainStream) {
|
|
this.mainStream.getTracks().forEach(e => e.stop())
|
|
delete this.mainStream
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Start to receive video from remote peer
|
|
*
|
|
* @param {number} peerID Target peer ID
|
|
*/
|
|
async PeerReady(peerID) {
|
|
|
|
// Remove any previous connection
|
|
if(this.peersEls.has(peerID)) {
|
|
this.peersEls.get(peerID).destroy()
|
|
}
|
|
|
|
// Mark the peer as ready
|
|
const el = this.getMemberNameEl(peerID)
|
|
if(el)
|
|
el.classList.add("ready")
|
|
|
|
const peer = new SimplePeer({
|
|
initiator: false,
|
|
trickle: true, // Allow exchange of multiple ice candidates
|
|
config: this.callConfig(),
|
|
})
|
|
this.peersEls.set(peerID, peer)
|
|
|
|
peer.on("signal", data => this.SendSignal(peerID, data))
|
|
|
|
peer.on("error", err => {
|
|
console.error("Peer error! (peer: " + peerID + ")", err);
|
|
notify("An error occured while trying to to a peer !", "danger", 5)
|
|
});
|
|
|
|
peer.on("connect", () => {
|
|
console.info("Connected to a remote peer ("+peerID+") !")
|
|
})
|
|
|
|
peer.on("message", message => {
|
|
console.log("Message from remote peer: " + message);
|
|
});
|
|
|
|
peer.on("stream", stream => {
|
|
console.log("Got remote peer stream", stream)
|
|
|
|
this.streamsEls.set(peerID, stream)
|
|
this.applyStream(peerID, false, stream)
|
|
});
|
|
|
|
peer.on("close", () => {
|
|
console.info("Connection to peer " + peerID + " closed");
|
|
this.RemoveMemberConnection(peerID)
|
|
})
|
|
|
|
// Request an offer from proxy
|
|
await ws("calls/request_offer", {
|
|
callID: this.callID,
|
|
peerID: peerID,
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Handles new signals
|
|
*
|
|
* @param {Number} peerID Target peer ID
|
|
* @param {any} data Signal data
|
|
*/
|
|
NewSignal(peerID, data) {
|
|
|
|
if(peerID == userID()) {
|
|
if(this.mainPeer)
|
|
this.mainPeer.signal(data)
|
|
}
|
|
else if(this.peersEls.has(peerID)) {
|
|
this.peersEls.get(peerID).signal(data)
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Start / stop recording the streams
|
|
*/
|
|
startRecording() {
|
|
|
|
const onDataAvailable = blob => {
|
|
console.info("New record available", blob)
|
|
|
|
// = GET URL = const url = URL.createObjectURL(blob)
|
|
|
|
// Save file
|
|
saveAs(blob, new Date().getTime() + ".webm")
|
|
}
|
|
|
|
// Start recording
|
|
if(!this.recorder) {
|
|
// Determine the list of streams to save
|
|
const streams = []
|
|
|
|
if(this.mainStream)
|
|
streams.push(this.mainStream)
|
|
this.streamsEls.forEach(v => streams.push(v))
|
|
|
|
// Create & start recorder
|
|
this.recorder = new MultiStreamRecorder(streams);
|
|
this.recorder.ondataavailable = onDataAvailable
|
|
this.recorder.start(30*60*1000); // Ask for save every 30min
|
|
}
|
|
|
|
|
|
// Stop recording
|
|
else {
|
|
this.recorder.stop(onDataAvailable)
|
|
delete this.recorder
|
|
}
|
|
}
|
|
} |