From aac10b86fa3a42d2679af3bc5a71da946d1c0a2d Mon Sep 17 00:00:00 2001 From: Frode Petterson Date: Fri, 27 Feb 2015 14:53:26 +0100 Subject: [PATCH] Make old embed code insert new. --- js/h5p-embed.js | 250 +++++++----------------------------------------- 1 file changed, 35 insertions(+), 215 deletions(-) diff --git a/js/h5p-embed.js b/js/h5p-embed.js index deeab96..3196fa1 100644 --- a/js/h5p-embed.js +++ b/js/h5p-embed.js @@ -1,69 +1,27 @@ /*jshint multistr: true */ /** - * + * Converts old script tag embed to iframe */ -var H5P = H5P || (function () { +var H5POldEmbed = H5POldEmbed || (function () { var head = document.getElementsByTagName('head')[0]; - var contentId = 0; - var contents = {}; + var resizer = false; /** - * Wraps multiple content between a prefix and a suffix. + * Loads the resizing script */ - var wrap = function (prefix, content, suffix) { - var result = ''; - for (var i = 0; i < content.length; i++) { - result += prefix + content[i] + suffix; - } - return result; - }; - - /** - * - */ - var loadContent = function (id, script) { - var url = script.getAttribute('data-h5p'); - var data, callback = 'H5P' + id; - - // Prevent duplicate loading. - script.removeAttribute('data-h5p'); + var loadResizer = function (url) { + var data, callback = 'H5POldEmbed'; + resizer = true; // Callback for when content data is loaded. window[callback] = function (content) { - contents[id] = content; - - var iframe = document.createElement('iframe'); - var parent = script.parentNode; - parent.insertBefore(iframe, script); - - iframe.id = 'h5p-iframe-' + id; - iframe.style.display = 'block'; - iframe.style.width = '100%'; - iframe.style.height = '1px'; - iframe.style.border = 'none'; - iframe.style.zIndex = 101; - iframe.style.top = 0; - iframe.style.left = 0; - iframe.className = 'h5p-iframe'; - iframe.setAttribute('frameBorder', '0'); - iframe.contentDocument.open(); - iframe.contentDocument.write('\ - \ - \ - \ - ' + wrap('') + '\ - ' + wrap('') + '\ - \ -
\ - '); - iframe.contentDocument.close(); - iframe.contentDocument.documentElement.style.overflow = 'hidden'; + // Add resizing script to head + var resizer = document.createElement('script'); + resizer.src = content; + head.appendChild(resizer); // Clean up - parent.removeChild(script); head.removeChild(data); delete window[callback]; }; @@ -74,183 +32,45 @@ var H5P = H5P || (function () { head.appendChild(data); }; + /** + * Replaced script tag with iframe + */ + var addIframe = function (script) { + // Add iframe + var iframe = document.createElement('iframe'); + iframe.src = script.getAttribute('data-h5p'); + iframe.frameBorder = false; + iframe.allowFullscreen = true; + var parent = script.parentNode; + parent.insertBefore(iframe, script); + parent.removeChild(script); + }; + /** * Go throught all script tags with the data-h5p attribute and load content. */ - function H5P() { + function H5POldEmbed() { var scripts = document.getElementsByTagName('script'); var h5ps = []; // Use seperate array since scripts grow in size. for (var i = 0; i < scripts.length; i++) { var script = scripts[i]; - if (script.hasAttribute('data-h5p')) { + if (script.src.indexOf('/h5p-resizer.js') !== -1) { + resizer = true; + } + else if (script.hasAttribute('data-h5p')) { h5ps.push(script); } } for (i = 0; i < h5ps.length; i++) { - loadContent(contentId, h5ps[i]); - contentId++; - } - } - - /** - * Return integration object - */ - H5P.getIntegration = function (id) { - var content = contents[id]; - return { - getJsonContent: function () { - return content.params; - }, - getContentPath: function () { - return content.path + 'content/' + content.id + '/'; - }, - getFullscreen: function () { - return content.fullscreen; - }, - getLibraryPath: function (library) { - return content.path + 'libraries/' + library; - }, - getContentData: function () { - return { - library: content.library, - jsonContent: content.params, - fullScreen: content.fullscreen, - exportUrl: content.exportUrl, - embedCode: content.embedCode - }; - }, - i18n: content.i18n, - showH5PIconInActionBar: function () { - // Always show H5P-icon when embedding - return true; + if (!resizer) { + loadResizer(h5ps[i].getAttribute('data-h5p')); } - }; - }; + addIframe(h5ps[i]); - // Detect if we support fullscreen, and what prefix to use. - var fullScreenBrowserPrefix, safariBrowser; - if (document.documentElement.requestFullScreen) { - fullScreenBrowserPrefix = ''; - } - else if (document.documentElement.webkitRequestFullScreen && - navigator.userAgent.indexOf('Android') === -1 // Skip Android - ) { - safariBrowser = navigator.userAgent.match(/Version\/(\d)/); - safariBrowser = (safariBrowser === null ? 0 : parseInt(safariBrowser[1])); - - // Do not allow fullscreen for safari < 7. - if (safariBrowser === 0 || safariBrowser > 6) { - fullScreenBrowserPrefix = 'webkit'; } } - else if (document.documentElement.mozRequestFullScreen) { - fullScreenBrowserPrefix = 'moz'; - } - else if (document.documentElement.msRequestFullscreen) { - fullScreenBrowserPrefix = 'ms'; - } - /** - * Enter fullscreen mode. - */ - H5P.fullScreen = function ($element, instance, exitCallback, body) { - var iframe = document.getElementById('h5p-iframe-' + $element.parent().data('content-id')); - var $classes = $element.add(body); - var $body = $classes.eq(1); - - /** - * Prepare for resize by setting the correct styles. - * - * @param {String} classes CSS - */ - var before = function (classes) { - $classes.addClass(classes); - iframe.style.height = '100%'; - }; - - /** - * Gets called when fullscreen mode has been entered. - * Resizes and sets focus on content. - */ - var entered = function () { - // Do not rely on window resize events. - instance.$.trigger('resize'); - instance.$.trigger('focus'); - }; - - /** - * Gets called when fullscreen mode has been exited. - * Resizes and sets focus on content. - * - * @param {String} classes CSS - */ - var done = function (classes) { - H5P.isFullscreen = false; - $classes.removeClass(classes); - - // Do not rely on window resize events. - instance.$.trigger('resize'); - instance.$.trigger('focus'); - - if (exitCallback !== undefined) { - exitCallback(); - } - }; - - H5P.isFullscreen = true; - if (fullScreenBrowserPrefix === undefined) { - // Create semi fullscreen. - - before('h5p-semi-fullscreen'); - iframe.style.position = 'fixed'; - - var $disable = $element.prepend('').children(':first'); - var keyup, disableSemiFullscreen = function () { - $disable.remove(); - $body.unbind('keyup', keyup); - iframe.style.position = 'static'; - done('h5p-semi-fullscreen'); - return false; - }; - keyup = function (event) { - if (event.keyCode === 27) { - disableSemiFullscreen(); - } - }; - $disable.click(disableSemiFullscreen); - $body.keyup(keyup); // TODO: Does not work with iframe's $! - entered(); - } - else { - // Create real fullscreen. - - before('h5p-fullscreen'); - var first, eventName = (fullScreenBrowserPrefix === 'ms' ? 'MSFullscreenChange' : fullScreenBrowserPrefix + 'fullscreenchange'); - document.addEventListener(eventName, function () { - if (first === undefined) { - // We are entering fullscreen mode - first = false; - entered(); - return; - } - - // We are exiting fullscreen - done('h5p-fullscreen'); - document.removeEventListener(eventName, arguments.callee, false); - }); - - if (fullScreenBrowserPrefix === '') { - iframe.requestFullScreen(); - } - else { - var method = (fullScreenBrowserPrefix === 'ms' ? 'msRequestFullscreen' : fullScreenBrowserPrefix + 'RequestFullScreen'); - var params = (fullScreenBrowserPrefix === 'webkit' && safariBrowser === 0 ? Element.ALLOW_KEYBOARD_INPUT : undefined); - iframe[method](params); - } - } - }; - - return H5P; + return H5POldEmbed; })(); -new H5P(); +new H5POldEmbed();