shaka-packager/tools/page_cycler/common/start.js

83 lines
2.4 KiB
JavaScript

// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
document.title = 'page cycler';
// The __pages is assumed an array which containing the directories for
// various pages to exercise. Some page cycler tests don't have this variable.
var initialPage;
var hasVariablePages = (typeof __pages != 'undefined') &&
(__pages instanceof Array);
if (hasVariablePages)
initialPage = __pages[0];
document.cookie = '__navigated_to_report=0; path=/';
document.cookie = '__pc_done=0; path=/';
if (hasVariablePages)
document.cookie = '__pc_pages=' + __pages + '; path=/';
document.cookie = '__pc_timings=; path=/';
var options = location.search.substring(1).split('&');
function getopt(name) {
var r = new RegExp('^' + name + '=');
for (var i = 0; i < options.length; ++i) {
if (options[i].match(r)) {
return options[i].substring(name.length + 1);
}
}
return null;
}
function start() {
var iterations = document.getElementById('iterations').value;
window.resizeTo(800, 800);
var ts = (new Date()).getTime();
var url = '';
if (hasVariablePages)
url = initialPage + '/';
url += 'index.html?n=' + iterations + '&i=0&p=0&ts=' + ts + '&td=0';
window.location = url;
}
function render_form() {
var form = document.createElement('FORM');
form.onsubmit = function(e) {
start();
e.preventDefault();
};
var label = document.createTextNode('Iterations: ');
form.appendChild(label);
var input = document.createElement('INPUT');
input.setAttribute('id', 'iterations');
input.setAttribute('type', 'number');
var iterations = getopt('iterations');
input.setAttribute('value', iterations ? iterations : '5');
form.appendChild(input);
input = document.createElement('INPUT');
input.setAttribute('type', 'submit');
input.setAttribute('value', 'Start');
form.appendChild(input);
document.body.appendChild(form);
}
render_form();
// should we start automatically?
if (location.search.match('auto=1')) {
start();
} else {
if (!window.gc) {
document.write('<h3 style=\'color:red\'>WARNING: window.gc is not ' +
'defined. Test results may be unreliable! You must ' +
'started chrome also with <tt>--js-flags=\"--expose_gc\"' +
'</tt> for this test to work manually</h3>');
}
}