activeWindowDetails.js

var exec = require("child_process").exec;
var multiline = require("multiline");
var Q = require('q');

module.exports = {
    start : runScript,
    stop : stopScript
}

//Applescript to get active window title.
var getWindowScript = multiline(function(){
                                    /*

                                    global windowTitle,browserTabUrl,appName,appID
                                     set windowTitle to ""
                                     set currentTabTitle to ""
                                     tell application "System Events"
                                         set frontApp to first application process whose frontmost is true
                                         set appName to name of frontApp
                                         set x to first process whose its frontmost is true
                                         set appID to unix id of x
                                         tell process appName
                                             try
                                               tell (1st window whose value of attribute "AXMain" is true)
                                                  set windowTitle to value of attribute "AXTitle"
                                               end tell
                                             end try
                                         end tell
                                     end tell
                                    return {windowTitle,appName,appID}


                                     */
                                });


function runScript() {
    _pollingInterval = setInterval(function() {
        getActiveWindowDetails();
    }, 500);
}


function stopScript() {
    clearInterval(_pollingInterval);
}


function getActiveWindowDetails(callback){
    //Run applescript from shell.
    var script = "osascript -e '" + getWindowScript + "'";

    exec(script, function(error, stdout, stderr){
        if(!error){
            var activeWindow = {};
            console.log("Active Window Details : ",stdout);

        }
        else{
          console.error(error,stdout,stderr);
        }
    });
}