Re-designs invite dialog as share link.

conference.js

                 && APP.UI.notifyInitiallyMuted();
         });
 
-        APP.UI.addListener(UIEvents.USER_INVITED, (roomUrl) => {
-            APP.UI.inviteParticipants(
-                roomUrl,
-                APP.conference.roomName,
-                roomLocker.password,
-                APP.settings.getDisplayName()
-            );
-        });
-
         room.on(
             ConferenceEvents.AVAILABLE_DEVICES_CHANGED, function (id, devices) {
                 APP.UI.updateDevicesAvailability(id, devices);

lang/main.json

         "connectError": "Oops! Something went wrong and we couldn't connect to the conference.",
         "connectErrorWithMsg": "Oops! Something went wrong and we couldn't connect to the conference: __msg__",
         "connecting": "Connecting",
+        "copy": "Copy",
         "error": "Error",
         "detectext": "Error when trying to detect desktopsharing extension.",
         "failtoinstall": "Failed to install desktop sharing extension",
         "passwordCheck": "Are you sure you would like to remove your password?",
         "Remove": "Remove",
         "passwordMsg": "Set a password to lock your room",
-        "Invite": "Invite",
         "shareLink": "Copy and share this link",
         "settings1": "Configure your conference",
         "settings2": "Participants join muted",

modules/UI/UI.js

     //Toolbar.showDialPadButton(dtmfSupport);
 };
 
-/**
- * Invite participants to conference.
- * @param {string} roomUrl
- * @param {string} conferenceName
- * @param {string} key
- * @param {string} nick
- */
-UI.inviteParticipants = function (roomUrl, conferenceName, key, nick) {
-    let keyText = "";
-    if (key) {
-        keyText = APP.translation.translateString(
-            "email.sharedKey", {sharedKey: key}
-        );
-    }
-
-    let and = APP.translation.translateString("email.and");
-    let supportedBrowsers = `Chromium, Google Chrome, Firefox ${and} Opera`;
-
-    let subject = APP.translation.translateString(
-        "email.subject", {appName:interfaceConfig.APP_NAME, conferenceName}
-    );
-
-    let body = APP.translation.translateString(
-        "email.body", {
-            appName:interfaceConfig.APP_NAME,
-            sharedKeyText: keyText,
-            roomUrl,
-            supportedBrowsers
-        }
-    );
-
-    body = body.replace(/\n/g, "%0D%0A");
-
-    if (nick) {
-        body += "%0D%0A%0D%0A" + UIUtil.escapeHtml(nick);
-    }
-
-    if (interfaceConfig.INVITATION_POWERED_BY) {
-        body += "%0D%0A%0D%0A--%0D%0Apowered by jitsi.org";
-    }
-
-    window.open(`mailto:?subject=${subject}&body=${body}`, '_blank');
-};
-
 /**
  * Show user feedback dialog if its required or just show "thank you" dialog.
  * @returns {Promise} when dialog is closed.

modules/UI/toolbars/Toolbar.js

 
     let title = APP.translation.generateTranslationHTML("dialog.shareLink");
     APP.UI.messageHandler.openTwoButtonDialog(
-        null, null, null,
-        '<h2>' + title + '</h2>'
-        + '<input id="inviteLinkRef" type="text" '
-        + inviteAttributes + ' onclick="this.select();" readonly>',
-        false, "dialog.Invite",
+        null, title, null,
+        '<input id="inviteLinkRef" type="text" '
+            + inviteAttributes + ' readonly/>',
+        false, "dialog.copy",
         function (e, v) {
             if (v && roomUrl) {
                 JitsiMeetJS.analytics.sendEvent('toolbar.invite.button');
-                emitter.emit(UIEvents.USER_INVITED, roomUrl);
+                document.execCommand('copy');
             }
             else {
                 JitsiMeetJS.analytics.sendEvent('toolbar.invite.cancel');
         },
         function (event) {
             if (roomUrl) {
-                document.getElementById('inviteLinkRef').select();
+                $('#inviteLinkRef').focus();
+                $('#inviteLinkRef').select();
             } else {
                 if (event && event.target) {
                     $(event.target).find('button[value=true]')

modules/UI/util/MessageHandler.js

             persistent: false,
             buttons: buttons,
             defaultButton: defaultButton,
-            focus: focus,
+            focus: (focus && focus >= 0) ? focus : -1,
             loaded: loadedFunction,
             submit: function (e, v, m, f) {
                 twoButtonDialog = null;

service/UI/UIEvents.js

      */
     UPDATE_SHARED_VIDEO: "UI.update_shared_video",
     ROOM_LOCK_CLICKED: "UI.room_lock_clicked",
-    USER_INVITED: "UI.user_invited",
     USER_KICKED: "UI.user_kicked",
     REMOTE_AUDIO_MUTED: "UI.remote_audio_muted",
     FULLSCREEN_TOGGLE: "UI.fullscreen_toggle",