Event listeners for PhantomJS (taken from PhantomJS examples)

phantomjs_helpers.js

"use strict";

var sys = require("system"),
    page = require("webpage").create(),
    logResources = false;

if (sys.args.length > 1 && sys.args[1] === "-v") {
    logResources = true;
}

function printArgs() {
    var i, ilen;
    for (i = 0, ilen = arguments.length; i < ilen; ++i) {
        console.log("    arguments[" + i + "] = " + JSON.stringify(arguments[i]));
    }
    console.log("");
}

page.onInitialized = function() {
  console.log("page.onInitialized");
  printArgs.apply(this, arguments);
};

page.onLoadStarted = function() {
  console.log("page.onLoadStarted");
  printArgs.apply(this, arguments);
};

page.onLoadFinished = function() {
  console.log("page.onLoadFinished");
  printArgs.apply(this, arguments);
};

page.onUrlChanged = function() {
  console.log("page.onUrlChanged");
  printArgs.apply(this, arguments);
};

page.onNavigationRequested = function() {
  console.log("page.onNavigationRequested");
  printArgs.apply(this, arguments);
};

if (logResources === true) {
  page.onResourceRequested = function() {
      console.log("page.onResourceRequested");
      printArgs.apply(this, arguments);
  };
  page.onResourceReceived = function() {
      console.log("page.onResourceReceived");
      printArgs.apply(this, arguments);
  };
}

// window.alert(msg);
page.onAlert = function() {
  console.log("page.onAlert");
  printArgs.apply(this, arguments);
};

// var confirmed = window.confirm(msg);
page.onConfirm = function() {
  console.log("page.onConfirm");
  printArgs.apply(this, arguments);
};

// var user_value = window.prompt(msg, default_value);
page.onPrompt = function() {
  console.log("page.onPrompt");
  printArgs.apply(this, arguments);
};

// an example to take a screen shot at a certain time
// in this case, after 5 secs.
setTimeout(function() {
   console.log("");
   console.log("### Screenshot");
   setTimeout(function(){
     page.render('screenshot.png');
   }, 1000);
}, 5000)


// every step could be done like
// load login page
setTimeout(function() {
  console.log("");
  console.log("### STEP 1: Load '" + MYURL + "'");
  page.open(MYURL);
}, 5000);