pjs/layout/tools/pageloader/pageloader.js

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JavaScript

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is tp.
*
* The Initial Developer of the Original Code is
* Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Rob Helmer <rhelmer@mozilla.com>
* Vladimir Vukicevic <vladimir@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
const Cc = Components.classes;
const Ci = Components.interfaces;
var NUM_CYCLES = 5;
var pageFilterRegexp = null;
var reportFormat = "js";
var useBrowser = true;
var winWidth = 1024;
var winHeight = 768;
var doRenderTest = false;
var pages;
var pageIndex;
var start_time;
var cycle;
var report;
var renderReport;
var noisy = false;
var timeout = -1;
var timeoutEvent = -1;
var running = false;
var forceCC = true;
var content;
var TEST_DOES_OWN_TIMING = 1;
var browserWindow = null;
// the io service
var gIOS = null;
function plInit() {
if (running) {
return;
}
running = true;
cycle = 0;
try {
var args = window.arguments[0].wrappedJSObject;
var manifestURI = args.manifest;
var startIndex = 0;
var endIndex = -1;
if (args.startIndex) startIndex = parseInt(args.startIndex);
if (args.endIndex) endIndex = parseInt(args.endIndex);
if (args.numCycles) NUM_CYCLES = parseInt(args.numCycles);
if (args.format) reportFormat = args.format;
if (args.width) winWidth = parseInt(args.width);
if (args.height) winHeight = parseInt(args.height);
if (args.filter) pageFilterRegexp = new RegExp(args.filter);
if (args.noisy) noisy = true;
if (args.timeout) timeout = parseInt(args.timeout);
forceCC = !args.noForceCC;
doRenderTest = args.doRender;
if (forceCC &&
!window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIDOMWindowUtils)
.garbageCollect) {
forceCC = false;
}
gIOS = Cc["@mozilla.org/network/io-service;1"]
.getService(Ci.nsIIOService);
if (args.offline)
gIOS.offline = true;
var fileURI = gIOS.newURI(manifestURI, null, null);
pages = plLoadURLsFromURI(fileURI);
if (!pages) {
dumpLine('tp: could not load URLs, quitting');
plStop(true);
}
if (pages.length == 0) {
dumpLine('tp: no pages to test, quitting');
plStop(true);
}
if (startIndex < 0)
startIndex = 0;
if (endIndex == -1 || endIndex >= pages.length)
endIndex = pages.length-1;
if (startIndex > endIndex) {
dumpLine("tp: error: startIndex >= endIndex");
plStop(true);
}
pages = pages.slice(startIndex,endIndex+1);
var pageUrls = pages.map(function(p) { return p.url.spec.toString(); });
report = new Report(pageUrls);
if (doRenderTest)
renderReport = new Report(pageUrls);
pageIndex = 0;
if (args.useBrowserChrome) {
var wwatch = Cc["@mozilla.org/embedcomp/window-watcher;1"]
.getService(Ci.nsIWindowWatcher);
var blank = Cc["@mozilla.org/supports-string;1"]
.createInstance(Ci.nsISupportsString);
blank.data = "about:blank";
browserWindow = wwatch.openWindow
(null, "chrome://browser/content/", "_blank",
"chrome,dialog=no,width=" + winWidth + ",height=" + winHeight, blank);
// get our window out of the way
window.resizeTo(10,10);
var browserLoadFunc = function (ev) {
browserWindow.removeEventListener('load', browserLoadFunc, true);
// do this half a second after load, because we need to be
// able to resize the window and not have it get clobbered
// by the persisted values
setTimeout(function () {
browserWindow.resizeTo(winWidth, winHeight);
browserWindow.moveTo(0, 0);
browserWindow.focus();
content = browserWindow.getBrowser();
setTimeout(plLoadPage, 100);
}, 500);
};
browserWindow.addEventListener('load', browserLoadFunc, true);
} else {
window.resizeTo(winWidth, winHeight);
content = document.getElementById('contentPageloader');
setTimeout(plLoadPage, 250);
}
} catch(e) {
dumpLine(e);
plStop(true);
}
}
function plPageFlags() {
return pages[pageIndex].flags;
}
// load the current page, start timing
var removeLastAddedListener = null;
function plLoadPage() {
var pageName = pages[pageIndex].url.spec;
if (removeLastAddedListener)
removeLastAddedListener();
if (plPageFlags() & TEST_DOES_OWN_TIMING) {
// if the page does its own timing, use a capturing handler
// to make sure that we can set up the function for content to call
content.addEventListener('load', plLoadHandlerCapturing, true);
removeLastAddedListener = function() {
content.removeEventListener('load', plLoadHandlerCapturing, true);
};
} else {
// if the page doesn't do its own timing, use a bubbling handler
// to make sure that we're called after the page's own onload() handling
// XXX we use a capturing event here too -- load events don't bubble up
// to the <browser> element. See bug 390263.
content.addEventListener('load', plLoadHandler, true);
removeLastAddedListener = function() {
content.removeEventListener('load', plLoadHandler, true);
};
}
if (timeout > 0) {
timeoutEvent = setTimeout('loadFail()', timeout);
}
start_time = Date.now();
content.loadURI(pageName);
}
function loadFail() {
var pageName = pages[pageIndex].url.spec;
dumpLine("__FAILTimeout exceeded on " + pageName + "__FAIL")
plStop(true);
}
function plNextPage() {
if (pageIndex < pages.length-1) {
pageIndex++;
if (forceCC) {
var tccstart = new Date();
window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIDOMWindowUtils)
.garbageCollect();
var tccend = new Date();
report.recordCCTime(tccend - tccstart);
}
setTimeout(plLoadPage, 250);
} else {
plStop(false);
}
}
function plRecordTime(time) {
var pageName = pages[pageIndex].url.spec;
var i = pageIndex
if (i < pages.length-1) {
i++;
} else {
i = 0;
}
var nextName = pages[i].url.spec;
report.recordTime(pageIndex, time);
if (noisy) {
dumpLine("Cycle " + (cycle+1) + ": loaded " + pageName + " (next: " + nextName + ")");
}
}
function plLoadHandlerCapturing(evt) {
// make sure we pick up the right load event
if (evt.type != 'load' ||
evt.originalTarget.defaultView.frameElement)
return;
if (timeout > 0) {
clearTimeout(timeoutEvent);
}
if (!(plPageFlags() & TEST_DOES_OWN_TIMING)) {
dumpLine("tp: Capturing onload handler used with page that doesn't do its own timing?");
plStop(true);
}
// set up the function for content to call
content.contentWindow.wrappedJSObject.tpRecordTime = function (time) {
plRecordTime(time);
setTimeout(plNextPage, 250);
};
}
// the onload handler
function plLoadHandler(evt) {
// make sure we pick up the right load event
if (evt.type != 'load' ||
evt.originalTarget.defaultView.frameElement)
return;
if (timeout > 0) {
clearTimeout(timeoutEvent);
}
var end_time = Date.now();
var time = (end_time - start_time);
// does this page want to do its own timing?
// if so, we shouldn't be here
if (plPageFlags() & TEST_DOES_OWN_TIMING) {
dumpLine("tp: Bubbling onload handler used with page that does its own timing?");
plStop(true);
}
plRecordTime(time);
if (doRenderTest)
runRenderTest();
plNextPage();
}
function runRenderTest() {
const redrawsPerSample = 500;
if (!Ci.nsIDOMWindowUtils)
return;
var win;
if (browserWindow)
win = content.contentWindow;
else
win = window;
var wu = win.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils);
var start = Date.now();
for (var j = 0; j < redrawsPerSample; j++)
wu.redraw();
var end = Date.now();
renderReport.recordTime(pageIndex, end - start);
}
function plStop(force) {
try {
if (force == false) {
pageIndex = 0;
if (cycle < NUM_CYCLES-1) {
cycle++;
setTimeout(plLoadPage, 250);
return;
}
var formats = reportFormat.split(",");
if (!renderReport) {
for each (var fmt in formats)
dumpLine(report.getReport(fmt));
}
else {
dumpLine ("*************** Render report *******************");
for each (var fmt in formats)
dumpLine(renderReport.getReport(fmt));
}
}
} catch (e) {
dumpLine(e);
}
if (content)
content.removeEventListener('load', plLoadHandler, true);
goQuitApplication();
}
/* Returns array */
function plLoadURLsFromURI(manifestUri) {
var fstream = Cc["@mozilla.org/network/file-input-stream;1"]
.createInstance(Ci.nsIFileInputStream);
var uriFile = manifestUri.QueryInterface(Ci.nsIFileURL);
fstream.init(uriFile.file, -1, 0, 0);
var lstream = fstream.QueryInterface(Ci.nsILineInputStream);
var d = [];
var lineNo = 0;
var line = {value:null};
var more;
do {
lineNo++;
more = lstream.readLine(line);
var s = line.value;
// strip comments
s = s.replace(/#.*/, '');
// strip leading and trailing whitespace
s = s.replace(/^\s*/, '').replace(/s\*$/, '');
if (!s)
continue;
var flags = 0;
var urlspec = s;
// split on whitespace, and figure out if we have any flags
var items = s.split(/\s+/);
if (items[0] == "include") {
if (items.length != 2) {
dumpLine("tp: Error on line " + lineNo + " in " + manifestUri.spec + ": include must be followed by the manifest to include!");
return null;
}
var subManifest = gIOS.newURI(items[1], null, manifestUri);
if (subManifest == null) {
dumpLine("tp: invalid URI on line " + manifestUri.spec + ":" + lineNo + " : '" + line.value + "'");
return null;
}
var subItems = plLoadURLsFromURI(subManifest);
if (subItems == null)
return null;
d = d.concat(subItems);
} else {
if (items.length == 2) {
if (items[0].indexOf("%") != -1)
flags |= TEST_DOES_OWN_TIMING;
urlspec = items[1];
} else if (items.length != 1) {
dumpLine("tp: Error on line " + lineNo + " in " + manifestUri.spec + ": whitespace must be %-escaped!");
return null;
}
var url = gIOS.newURI(urlspec, null, manifestUri);
if (pageFilterRegexp && !pageFilterRegexp.test(url.spec))
continue;
d.push({ url: url,
flags: flags });
}
} while (more);
return d;
}
function dumpLine(str) {
dump(str);
dump("\n");
}