gistfile1.js

var selfEasyrtcid = "";
var connectTime;

function connect() {
    easyrtc.setRoomOccupantListener(convertListToButtons);
    easyrtc.easyApp("easyrtc.audioVideo", "selfVideo", ["callerVideo"], loginSuccess, loginFailure);
    easyrtc.setOnHangup(function(easyrtcid, slot) {
        easyrtc.updatePresence("chat", "");
    });
 }


function clearConnectList() {
    var otherClientDiv = document.getElementById('otherClients');
    while (otherClientDiv.hasChildNodes()) {
        otherClientDiv.removeChild(otherClientDiv.lastChild);
    }
}


function convertListToButtons (roomName, data, isPrimary) {
    var first = null;
    var second = null;
    var client;
    // find the first two occupants of the room, other than ourselves
    for( client in data) {
        if( !first ) {
            first = client;
        }
        else if( data[first].roomJoinTime > data[client].roomJoinTime) {
            second = first;
            first = client;
        }
        else if( !second || data[second].roomJoinTime > data[client].roomJoinTime) {
            second = client;
        }
    }
    if(!first) {
        console.log("nobody to talk to yet");
        return; // nobody to talk to
    }
    
    if( data[first].presence.show === "dnd") { // already in conversation
        console.log("first person party in room (" + first +") already in call");
        return;
    }
    
    if( second && connectTime >= data[second].roomJoinTime) {
        if( connectTime != data[second].roomJoinTime || second > selfEasyrtcid) {
            console.log("we're the third person in the room.");
            return; // we're not the second person in the room.
        }
    }
    
    console.log("we're the first or second person in the room");
    // no sense have both parties try to call each other at the same time
    if(  selfEasyrtcid > first) { 
        console.log("calling " + first);
        performCall(first);
    }
    else {
        console.log("expect to be called by the first person in the room");
    }
}


function performCall(otherEasyrtcid) {
    easyrtc.hangupAll();

    var successCB = function() {
        easyrtc.updatePresence("dnd", ""); // denote we are in a conversation
    };
    var failureCB = function() {};
    easyrtc.call(otherEasyrtcid, successCB, failureCB);
}


function loginSuccess(easyrtcid) {
    connectTime = (new Date()).getTime();
    console.log("connect time is", connectTime);
    selfEasyrtcid = easyrtcid;
    document.getElementById("iam").innerHTML = "I am " + easyrtc.cleanId(easyrtcid);
}


function loginFailure(errorCode, message) {
    easyrtc.showError(errorCode, message);
}