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1 /* Any copyright is dedicated to the public domain. |
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2 http://creativecommons.org/publicdomain/zero/1.0/ */ |
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3 |
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4 // Bug 808231 - Add mozbrowsernextpaint event. |
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5 "use strict"; |
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6 |
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7 SimpleTest.waitForExplicitFinish(); |
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8 browserElementTestHelpers.setEnabledPref(true); |
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9 browserElementTestHelpers.addPermission(); |
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10 |
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11 function runTest() { |
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12 var iframe = document.createElement('iframe'); |
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13 SpecialPowers.wrap(iframe).mozbrowser = true; |
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14 document.body.appendChild(iframe); |
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15 |
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16 // Add a first listener that we'll remove shortly after. |
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17 iframe.addNextPaintListener(wrongListener); |
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18 |
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19 var gotFirstNextPaintEvent = false; |
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20 iframe.addNextPaintListener(function () { |
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21 ok(!gotFirstNextPaintEvent, 'got the first nextpaint event'); |
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22 |
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23 // Make sure we're only called once. |
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24 gotFirstNextPaintEvent = true; |
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25 |
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26 iframe.addNextPaintListener(function () { |
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27 info('got the second nextpaint event'); |
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28 SimpleTest.finish(); |
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29 }); |
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30 |
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31 // Force the iframe to repaint. |
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32 SimpleTest.executeSoon(function () iframe.src += '#next'); |
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33 }); |
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34 |
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35 // Remove the first listener to make sure it's not called. |
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36 iframe.removeNextPaintListener(wrongListener); |
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37 iframe.src = 'file_browserElement_NextPaint.html'; |
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38 } |
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39 |
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40 function wrongListener() { |
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41 ok(false, 'first listener should have been removed'); |
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42 } |
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43 |
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44 addEventListener('testready', runTest); |