revproxy-presentation/test/test-iframe-backgrounds.html

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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>reveal.js - Test Iframe Backgrounds</title>
<link rel="stylesheet" href="../css/reveal.css">
<link rel="stylesheet" href="qunit-2.5.0.css">
</head>
<body style="overflow: auto;">
<div id="qunit"></div>
<div id="qunit-fixture"></div>
<div class="reveal" style="display: none;">
<div class="slides">
<section data-background-iframe="#1">1</section>
<section data-background-iframe="#2">2</section>
<section data-background-iframe="#3" data-preload>3</section>
<section data-background-iframe="#4">4</section>
<section data-background-iframe="#5">5</section>
<section data-background-iframe="#6">6</section>
</div>
</div>
<script src="../js/reveal.js"></script>
<script src="qunit-2.5.0.js"></script>
<script>
Reveal.addEventListener( 'ready', function() {
function getIframe( index ) {
return document.querySelectorAll( '.slide-background' )[index].querySelector( 'iframe' );
}
QUnit.module( 'Iframe' );
QUnit.test( 'Using default settings', function( assert ) {
Reveal.slide(0);
assert.strictEqual( getIframe(1).hasAttribute( 'src' ), false, 'not preloaded when within viewDistance' );
Reveal.slide(1);
assert.strictEqual( getIframe(1).hasAttribute( 'src' ), true, 'loaded when slide becomes visible' );
Reveal.slide(0);
assert.strictEqual( getIframe(1).hasAttribute( 'src' ), false, 'unloaded when slide becomes invisible' );
});
QUnit.test( 'Using data-preload', function( assert ) {
Reveal.slide(1);
assert.strictEqual( getIframe(2).hasAttribute( 'src' ), true, 'preloaded within viewDistance' );
assert.strictEqual( getIframe(1).hasAttribute( 'src' ), true, 'loaded when slide becomes visible' );
Reveal.slide(0);
assert.strictEqual( getIframe(3).hasAttribute( 'src' ), false, 'unloads outside of viewDistance' );
});
QUnit.test( 'Using preloadIframes: true', function( assert ) {
Reveal.configure({ preloadIframes: true });
Reveal.slide(1);
assert.strictEqual( getIframe(0).hasAttribute( 'src' ), true, 'preloaded within viewDistance' );
assert.strictEqual( getIframe(1).hasAttribute( 'src' ), true, 'preloaded within viewDistance' );
assert.strictEqual( getIframe(2).hasAttribute( 'src' ), true, 'preloaded within viewDistance' );
});
QUnit.test( 'Using preloadIframes: false', function( assert ) {
Reveal.configure({ preloadIframes: false });
Reveal.slide(0);
assert.strictEqual( getIframe(1).hasAttribute( 'src' ), false, 'not preloaded within viewDistance' );
assert.strictEqual( getIframe(2).hasAttribute( 'src' ), false, 'not preloaded within viewDistance' );
Reveal.slide(1);
assert.strictEqual( getIframe(1).hasAttribute( 'src' ), true, 'loaded when slide becomes visible' );
});
} );
Reveal.initialize({
viewDistance: 3
});
</script>
</body>
</html>