2012-06-10 23:37:47 +00:00
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<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=753595
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-->
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<head>
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<title>Test for Bug 753595</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" src="browserFrameHelpers.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=753595">Mozilla Bug 753595</a>
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<!--
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Test the getScreenshot property for mozbrowser
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-->
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<script type="application/javascript;version=1.7">
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2012-06-09 16:05:31 +00:00
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2012-05-19 00:47:20 +00:00
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"use strict";
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SimpleTest.waitForExplicitFinish();
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function runTest() {
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2012-06-10 23:37:47 +00:00
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browserFrameHelpers.setEnabledPref(true);
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browserFrameHelpers.addToWhitelist();
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2012-05-19 00:47:20 +00:00
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var iframe1 = document.createElement('iframe');
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iframe1.mozbrowser = true;
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document.body.appendChild(iframe1);
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2012-05-31 02:15:12 +00:00
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iframe1.src = 'data:text/html,<html>' +
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'<body style="background:green">hello</body></html>';
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2012-05-19 00:47:20 +00:00
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var screenshots = [];
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var numLoaded = 0;
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2012-05-31 02:15:12 +00:00
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function screenshotTaken(screenshot) {
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screenshots.push(screenshot);
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2012-05-19 00:47:20 +00:00
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if (screenshots.length === 1) {
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2012-05-31 02:15:12 +00:00
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ok(true, 'Got initial non blank screenshot');
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2012-05-19 00:47:20 +00:00
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iframe1.src = 'data:text/html,<html>' +
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'<body style="background:blue">hello</body></html>';
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2012-05-31 02:15:12 +00:00
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waitForScreenshot(function(screenshot) {
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return screenshot !== screenshots[0];
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});
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2012-05-19 00:47:20 +00:00
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}
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else if (screenshots.length === 2) {
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2012-05-31 02:15:12 +00:00
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ok(true, 'Got updated screenshot after source page changed');
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2012-05-19 00:47:20 +00:00
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SimpleTest.finish();
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}
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}
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2012-05-31 02:15:12 +00:00
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// We continually take screenshots until we get one that we are
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// happy with
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function waitForScreenshot(filter) {
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function screenshotLoaded(e) {
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if (filter(e.target.result)) {
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screenshotTaken(e.target.result);
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return;
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}
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if (--attempts === 0) {
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ok(false, 'Timed out waiting for correct screenshot');
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SimpleTest.finish();
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} else {
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content.document.defaultView.setTimeout(function() {
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iframe1.getScreenshot().onsuccess = screenshotLoaded;
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}, 200);
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}
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}
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var attempts = 10;
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2012-05-24 03:57:26 +00:00
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iframe1.getScreenshot().onsuccess = screenshotLoaded;
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}
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2012-05-19 00:47:20 +00:00
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function iframeLoadedHandler() {
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numLoaded++;
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2012-05-31 02:15:12 +00:00
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if (numLoaded === 2) {
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waitForScreenshot(function(screenshot) {
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return screenshot !== 'data:,';
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});
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2012-05-19 00:47:20 +00:00
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}
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}
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iframe1.addEventListener('mozbrowserloadend', iframeLoadedHandler);
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}
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addEventListener('load', function() { SimpleTest.executeSoon(runTest); });
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2012-06-10 23:37:47 +00:00
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</script>
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2012-05-19 00:47:20 +00:00
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2012-06-10 23:37:47 +00:00
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</body>
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</html>
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