mirror of
https://github.com/jech/galene.git
synced 2024-11-22 16:45:58 +01:00
Implement sharing of multiple application windows at a time.
This commit is contained in:
Juliusz Chroboczek
parent
9fde029912
commit
cbff5067b2
3 changed files with 156 additions and 118 deletions
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@ -32,11 +32,7 @@ h1 {
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display: inline
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}
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.userform-invisible {
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display: none;
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}
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.disconnect-invisible {
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.invisible {
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display: none;
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}
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@ -53,6 +49,12 @@ h1 {
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margin-bottom: 4px;
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}
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#presentbutton, #unpresentbutton {
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width: 8em;
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white-space: nowrap;
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margin-right: 0.4em;
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}
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#videoselect {
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width: 8em;
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text-align-last: center;
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@ -65,6 +67,15 @@ h1 {
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margin-right: 0.4em;
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}
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#sharebutton, #unsharebutton {
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width: 8em;
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white-space: nowrap;
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}
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#unsharebutton {
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margin-right: 0.4em;
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}
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#requestselect {
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width: 8em;
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text-align-last: center;
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@ -23,29 +23,31 @@
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autocomplete="current-password"/>
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<input id="connectbutton" type="submit" value="Connect" disabled/>
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</form>
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<input id="disconnectbutton" class="disconnect-invisible"
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<input id="disconnectbutton" class="invisible"
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type="submit" value="Disconnect"/>
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<span id="errspan"></span>
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</div>
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<div id="optionsdiv">
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<label for="presenterbox">Present:</label>
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<input id="presenterbox" type="checkbox" disabled/>
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<button id="presentbutton" class="invisible">Present</button>
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<button id="unpresentbutton" class="invisible">Stop presenting</button>
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<label for="videoselect">Camera:</label>
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<select id="videoselect">
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<option>default</option>
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<option>off</option>
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</select>
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<span id="mediaoptions">
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<label for="videoselect">Camera:</label>
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<select id="videoselect">
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<option>default</option>
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<option>off</option>
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</select>
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<label for="audioselect">Microphone:</label>
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<select id="audioselect">
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<option>default</option>
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<option>off</option>
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</select>
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<label for="audioselect">Microphone:</label>
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<select id="audioselect">
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<option>default</option>
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<option>off</option>
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</select>
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</span>
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<label for="sharebox">Share screen:</label>
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<input id="sharebox" type="checkbox" disabled/>
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<button id="sharebutton" class="invisible">Share screen</button>
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<button id="unsharebutton" class="invisible">Stop sharing</button>
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<label for="requestselect">Receive:</label>
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<select id="requestselect">
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221
static/sfu.js
221
static/sfu.js
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@ -36,6 +36,7 @@ function randomid() {
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function Connection(id, pc) {
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this.id = id;
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this.kind = null;
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this.label = null;
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this.pc = pc;
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this.stream = null;
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@ -100,9 +101,9 @@ function setConnected(connected) {
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statspan.textContent = 'Connected';
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statspan.classList.remove('disconnected');
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statspan.classList.add('connected');
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userform.classList.add('userform-invisible');
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userform.classList.add('invisible');
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userform.classList.remove('userform');
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disconnectbutton.classList.remove('disconnect-invisible');
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disconnectbutton.classList.remove('invisible');
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displayUsername();
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} else {
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let userpass = getUserPass();
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@ -114,33 +115,75 @@ function setConnected(connected) {
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statspan.classList.remove('connected');
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statspan.classList.add('disconnected');
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userform.classList.add('userform');
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userform.classList.remove('userform-invisible');
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disconnectbutton.classList.add('disconnect-invisible');
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userform.classList.remove('invisible');
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disconnectbutton.classList.add('invisible');
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permissions={};
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clearUsername(false);
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}
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}
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document.getElementById('presenterbox').onchange = function(e) {
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document.getElementById('presentbutton').onclick = function(e) {
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e.preventDefault();
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setLocalMedia(this.checked);
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addLocalMedia();
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};
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document.getElementById('unpresentbutton').onclick = function(e) {
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e.preventDefault();
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delUpMediaKind('local');
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};
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function changePresentation() {
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let found = false;
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for(let id in up) {
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if(up[id].kind === 'local')
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found = true;
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}
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delUpMediaKind('local');
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if(found)
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addLocalMedia();
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}
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function setVisibility(id, visible) {
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let elt = document.getElementById(id);
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if(visible)
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elt.classList.remove('invisible');
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else
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elt.classList.add('invisible');
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}
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function setButtonsVisibility() {
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let local = findUpMedia('local');
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let share = findUpMedia('screenshare')
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// don't allow multiple presentations
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setVisibility('presentbutton', permissions.present && !local);
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setVisibility('unpresentbutton', local);
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// allow multiple shared documents
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setVisibility('sharebutton', permissions.present);
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setVisibility('unsharebutton', share);
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setVisibility('mediaoptions', permissions.present);
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}
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document.getElementById('audioselect').onchange = function(e) {
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e.preventDefault();
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setLocalMedia(document.getElementById('presenterbox').checked);
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changePresentation();
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};
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document.getElementById('videoselect').onchange = function(e) {
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e.preventDefault();
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setLocalMedia(document.getElementById('presenterbox').checked);
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changePresentation();
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};
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document.getElementById('sharebox').onchange = function(e) {
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document.getElementById('sharebutton').onclick = function(e) {
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e.preventDefault();
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setShareMedia(this.checked);
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addShareMedia();
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};
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document.getElementById('unsharebutton').onclick = function(e) {
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e.preventDefault();
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delUpMediaKind('screenshare');
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}
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document.getElementById('requestselect').onchange = function(e) {
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e.preventDefault();
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sendRequest(this.value);
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@ -273,26 +316,13 @@ async function setMediaChoices() {
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mediaChoicesDone = true;
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}
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let localMediaId = null;
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async function setLocalMedia(setup) {
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async function addLocalMedia() {
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if(!getUserPass())
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return;
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if(!setup) {
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if(localMediaId) {
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up[localMediaId].close(true);
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delete(up[localMediaId]);
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delMedia(localMediaId);
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localMediaId = null;
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}
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return;
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}
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let audio = mapMediaOption(document.getElementById('audioselect').value);
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let video = mapMediaOption(document.getElementById('videoselect').value);
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setLocalMedia(false);
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if(!audio && !video)
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return;
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@ -302,15 +332,14 @@ async function setLocalMedia(setup) {
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stream = await navigator.mediaDevices.getUserMedia(constraints);
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} catch(e) {
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console.error(e);
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document.getElementById('presenterbox').checked = false;
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await setLocalMedia(false);
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return;
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}
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setMediaChoices();
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localMediaId = await newUpStream();
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let c = up[localMediaId];
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let id = await newUpStream();
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let c = up[id];
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c.kind = 'local';
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c.stream = stream;
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stream.getTracks().forEach(t => {
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c.labels[t.id] = t.kind
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@ -320,56 +349,77 @@ async function setLocalMedia(setup) {
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}, 2000);
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});
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c.setInterval(() => {
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displayStats(localMediaId);
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displayStats(id);
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}, 2500);
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await setMedia(localMediaId);
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await setMedia(id);
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setButtonsVisibility()
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}
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let shareMediaId = null;
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async function setShareMedia(setup) {
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async function addShareMedia(setup) {
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if(!getUserPass())
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return;
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if(!setup) {
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if(shareMediaId) {
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up[shareMediaId].close(true);
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delete(up[shareMediaId]);
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delMedia(shareMediaId)
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shareMediaId = null;
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}
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let stream = null;
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try {
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stream = await navigator.mediaDevices.getDisplayMedia({});
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} catch(e) {
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console.error(e);
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return;
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}
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if(!shareMediaId) {
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let stream = null;
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try {
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stream = await navigator.mediaDevices.getDisplayMedia({});
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} catch(e) {
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console.error(e);
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document.getElementById('sharebox').checked = false;
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await setShareMedia(false);
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return;
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}
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shareMediaId = await newUpStream();
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let c = up[shareMediaId];
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c.stream = stream;
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stream.getTracks().forEach(t => {
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let sender = c.pc.addTrack(t, stream);
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t.onended = e => {
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document.getElementById('sharebox').checked = false;
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setShareMedia(false);
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};
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c.labels[t.id] = 'screenshare';
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c.setInterval(() => {
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updateStats(c, sender);
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}, 2000);
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});
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let id = await newUpStream();
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let c = up[id];
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c.kind = 'screenshare';
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c.stream = stream;
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stream.getTracks().forEach(t => {
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let sender = c.pc.addTrack(t, stream);
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t.onended = e => {
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delUpMedia(id);
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};
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c.labels[t.id] = 'screenshare';
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c.setInterval(() => {
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displayStats(shareMediaId);
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}, 2500);
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await setMedia(shareMediaId);
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updateStats(c, sender);
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}, 2000);
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});
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c.setInterval(() => {
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displayStats(id);
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}, 2500);
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await setMedia(id);
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setButtonsVisibility()
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}
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function delUpMedia(id) {
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let c = up[id];
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if(!c) {
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console.error("Deleting unknown up media");
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return;
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}
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c.close(true);
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delMedia(id);
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delete(up[id]);
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setButtonsVisibility()
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}
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function delUpMediaKind(kind) {
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for(let id in up) {
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let c = up[id];
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if(c.kind != kind)
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continue
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c.close(true);
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delMedia(id);
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delete(up[id]);
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}
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setButtonsVisibility()
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}
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function findUpMedia(kind) {
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for(let id in up) {
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if(up[id].kind === kind)
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return true;
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}
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return false;
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}
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function setMedia(id) {
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@ -493,12 +543,8 @@ function serverConnect() {
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};
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socket.onclose = function(e) {
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setConnected(false);
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document.getElementById('presenterbox').checked = false;
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document.getElementById('presenterbox').disabled = true;
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setLocalMedia(false);
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document.getElementById('sharebox').checked = false;
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document.getElementById('sharebox').disabled = true;
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setShareMedia(false);
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delUpMediaKind('local');
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delUpMediaKind('screenshare');
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for(let id in down) {
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let c = down[id];
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delete(down[id]);
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@ -648,21 +694,7 @@ function gotClose(id) {
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}
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function gotAbort(id) {
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let c = up[id];
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if(!c)
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throw new Error('unknown up stream in abort');
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if(id === localMediaId) {
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document.getElementById('presenterbox').checked = false;
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setLocalMedia(false);
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} else if(id === shareMediaId) {
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document.getElementById('sharebox').checked = false;
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setShareMedia(false);
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} else {
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console.error('Strange stream in abort');
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delMedia(id);
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c.pc.close();
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delete(up[id]);
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}
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delUpMedia(id);
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}
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async function gotICE(id, candidate) {
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@ -753,9 +785,8 @@ function clearUsername() {
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function gotPermissions(perm) {
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permissions = perm;
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document.getElementById('presenterbox').disabled = !perm.present;
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document.getElementById('sharebox').disabled = !perm.present;
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displayUsername();
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setButtonsVisibility();
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}
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const urlRegexp = /https?:\/\/[-a-zA-Z0-9@:%/._\\+~#=?]+[-a-zA-Z0-9@:%/_\\+~#=]/g;
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@ -1088,18 +1119,12 @@ async function getIceServers() {
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iceServers = servers;
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}
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async function doConnect() {
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await serverConnect();
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await setLocalMedia(document.getElementById('presenterbox').checked);
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await setShareMedia(document.getElementById('sharebox').checked);
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}
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document.getElementById('userform').onsubmit = async function(e) {
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e.preventDefault();
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let username = document.getElementById('username').value.trim();
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let password = document.getElementById('password').value;
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setUserPass(username, password);
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await doConnect();
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await serverConnect();
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};
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document.getElementById('disconnectbutton').onclick = function(e) {
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@ -1121,7 +1146,7 @@ function start() {
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}).then(c => {
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let userpass = getUserPass();
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if(userpass)
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doConnect();
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return serverConnect();
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});
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}
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