The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/browser-element/mochitest/browserElement_NextPaint.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,44 @@
     1.4 +/* Any copyright is dedicated to the public domain.
     1.5 +   http://creativecommons.org/publicdomain/zero/1.0/ */
     1.6 +
     1.7 +// Bug 808231 - Add mozbrowsernextpaint event.
     1.8 +"use strict";
     1.9 +
    1.10 +SimpleTest.waitForExplicitFinish();
    1.11 +browserElementTestHelpers.setEnabledPref(true);
    1.12 +browserElementTestHelpers.addPermission();
    1.13 +
    1.14 +function runTest() {
    1.15 +  var iframe = document.createElement('iframe');
    1.16 +  SpecialPowers.wrap(iframe).mozbrowser = true;
    1.17 +  document.body.appendChild(iframe);
    1.18 +
    1.19 +  // Add a first listener that we'll remove shortly after.
    1.20 +  iframe.addNextPaintListener(wrongListener);
    1.21 +
    1.22 +  var gotFirstNextPaintEvent = false;
    1.23 +  iframe.addNextPaintListener(function () {
    1.24 +    ok(!gotFirstNextPaintEvent, 'got the first nextpaint event');
    1.25 +
    1.26 +    // Make sure we're only called once.
    1.27 +    gotFirstNextPaintEvent = true;
    1.28 +
    1.29 +    iframe.addNextPaintListener(function () {
    1.30 +      info('got the second nextpaint event');
    1.31 +      SimpleTest.finish();
    1.32 +    });
    1.33 +
    1.34 +    // Force the iframe to repaint.
    1.35 +    SimpleTest.executeSoon(function () iframe.src += '#next');
    1.36 +  });
    1.37 +
    1.38 +  // Remove the first listener to make sure it's not called.
    1.39 +  iframe.removeNextPaintListener(wrongListener);
    1.40 +  iframe.src = 'file_browserElement_NextPaint.html';
    1.41 +}
    1.42 +
    1.43 +function wrongListener() {
    1.44 +  ok(false, 'first listener should have been removed');
    1.45 +}
    1.46 +
    1.47 +addEventListener('testready', runTest);