| <!doctype html> |
| <html lang="en"> |
| |
| <head> |
| <meta charset="utf-8"> |
| |
| <title>reveal.js - Test Iframes</title> |
| |
| <link rel="stylesheet" href="../dist/reveal.css"> |
| <link rel="stylesheet" href="../node_modules/qunit/qunit/qunit.css"> |
| <script src="../node_modules/qunit/qunit/qunit.js"></script> |
| </head> |
| |
| <body style="overflow: auto;"> |
| |
| <div id="qunit"></div> |
| <div id="qunit-fixture"></div> |
| |
| <div class="reveal" style="display: none;"> |
| |
| <div class="slides"> |
| |
| <section>1</section> |
| <section>2</section> |
| <section> |
| <iframe class="default-iframe" data-src="#"></iframe> |
| <iframe class="preload-iframe" data-src="#" data-preload></iframe> |
| </section> |
| |
| </div> |
| |
| </div> |
| |
| <script src="../dist/reveal.js"></script> |
| <script> |
| |
| Reveal.initialize({ viewDistance: 2 }).then( () => { |
| |
| var defaultIframe = document.querySelector( '.default-iframe' ), |
| preloadIframe = document.querySelector( '.preload-iframe' ); |
| |
| QUnit.module( 'Iframe' ); |
| |
| QUnit.test( 'Using default settings', function( assert ) { |
| |
| Reveal.slide(1); |
| assert.strictEqual( defaultIframe.hasAttribute( 'src' ), false, 'not preloaded when within viewDistance' ); |
| |
| Reveal.slide(2); |
| assert.strictEqual( defaultIframe.hasAttribute( 'src' ), true, 'loaded when slide becomes visible' ); |
| |
| Reveal.slide(1); |
| assert.strictEqual( defaultIframe.hasAttribute( 'src' ), false, 'unloaded when slide becomes invisible' ); |
| |
| }); |
| |
| QUnit.test( 'Using data-preload', function( assert ) { |
| |
| Reveal.slide(1); |
| assert.strictEqual( preloadIframe.hasAttribute( 'src' ), true, 'preloaded within viewDistance' ); |
| |
| Reveal.slide(2); |
| assert.strictEqual( preloadIframe.hasAttribute( 'src' ), true, 'loaded when slide becoems visible' ); |
| |
| Reveal.slide(0); |
| assert.strictEqual( preloadIframe.hasAttribute( 'src' ), false, 'unloads outside of viewDistance' ); |
| |
| }); |
| |
| QUnit.test( 'Using preloadIframes: true', function( assert ) { |
| |
| Reveal.configure({ preloadIframes: true }); |
| |
| Reveal.slide(1); |
| assert.strictEqual( defaultIframe.hasAttribute( 'src' ), true, 'preloaded within viewDistance' ); |
| assert.strictEqual( preloadIframe.hasAttribute( 'src' ), true, 'preloaded within viewDistance' ); |
| |
| Reveal.slide(2); |
| assert.strictEqual( defaultIframe.hasAttribute( 'src' ), true, 'loaded when slide becomes visible' ); |
| assert.strictEqual( preloadIframe.hasAttribute( 'src' ), true, 'loaded when slide becomes visible' ); |
| |
| }); |
| |
| QUnit.test( 'Using preloadIframes: false', function( assert ) { |
| |
| Reveal.configure({ preloadIframes: false }); |
| |
| Reveal.slide(0); |
| assert.strictEqual( defaultIframe.hasAttribute( 'src' ), false, 'not preloaded within viewDistance' ); |
| assert.strictEqual( preloadIframe.hasAttribute( 'src' ), false, 'not preloaded within viewDistance' ); |
| |
| Reveal.slide(2); |
| assert.strictEqual( defaultIframe.hasAttribute( 'src' ), true, 'loaded when slide becomes visible' ); |
| assert.strictEqual( preloadIframe.hasAttribute( 'src' ), true, 'loaded when slide becomes visible' ); |
| |
| }); |
| |
| } ); |
| </script> |
| |
| </body> |
| </html> |