again/javascript/agn_host.js

// One day this might handle most of the [agn.host] mechanism.
include("again_utils.js")
autowatch = 1;

inlets = 1;
outlets = 1;

var host_name = null;
var top_level_patcher = null;

function loadbang() {

    top_level_patcher = get_top_level_patcher();
    host_name = jsarguments[1];

    if (top_level_patcher) {
        // post("toplevel patcher: " + top_level_patcher.name); post();
        // outlet(0, host_name);
        
        // check_for_other_host();

        set_all_agn_host_name();
    }
}


function set_all_agn_host_name() {
    if (top_level_patcher) {
        top_level_patcher.applydeep(send_agn_host_name);
    }
}
// set_all_agn_host_name.local = 0;

function send_agn_host_name (obj) {
    if (obj.maxclass === "js") {
        // post("js obj:" + obj.maxclass); post();
        var patcher_name = obj.patcher.getattr("name");
        if (["agn.remote","agn.convert"].indexOf(patcher_name) > -1) {
                // post(obj.varname); post();
            obj.message("set_agn_host_name", host_name);
        }
    }
}
// send_agn_host_name.local = 0;

function request_host_name() {
    set_all_agn_host_name();
}
// request_host_name.local = 0;


function check_for_other_host() {
    top_level_patcher.applydeep(check_is_agn_host);
}


// Need some logic to detect if the currently check agn.host is this agn.host
function check_is_agn_host (obj) {
    if (obj.maxclass === "js") {
        var patcher_name = obj.patcher.getattr("name");
        if (patcher_name === "agn.host") {
            error("An agn.host object already exist in the patcher hierarchy. Please delete one."); post();
        }
    }
}