2014-03-26 08:43:29 +01:00
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/**
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*
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*/
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var H5P = H5P || (function () {
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var head = document.getElementsByTagName('head')[0];
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var contentId = 0;
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var contents = {};
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/**
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* Wraps multiple content between a prefix and a suffix.
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*/
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var wrap = function (prefix, content, suffix) {
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var result = '';
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for (var i = 0; i < content.length; i++) {
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result += prefix + content[i] + suffix;
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}
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return result;
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}
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/**
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*
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*/
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var loadContent = function (id, script) {
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var url = script.getAttribute('data-h5p');
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var data, callback = 'H5P' + id;
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// Prevent duplicate loading.
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script.removeAttribute('data-h5p')
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// Callback for when content data is loaded.
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window[callback] = function (content) {
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contents[id] = content;
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var iframe = document.createElement('iframe');
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var parent = script.parentNode;
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parent.insertBefore(iframe, script);
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iframe.id = 'h5p-iframe-' + id;
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iframe.style.display = 'block';
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iframe.style.width = '100%';
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iframe.style.height = '1px';
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iframe.style.border = 'none';
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iframe.style.zIndex = 101;
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iframe.style.top = 0;
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iframe.style.left = 0;
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iframe.className = 'h5p-iframe';
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iframe.setAttribute('frameBorder', '0');
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iframe.contentDocument.open();
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iframe.contentDocument.write('\
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<!doctype html><html class="h5p-iframe">\
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<head>\
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<script>\
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var H5PIntegration = window.parent.H5P.getIntegration(' + id + ');\
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</script>\
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' + wrap('<link rel="stylesheet" href="', content.styles, '">') + '\
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' + wrap('<script src="', content.scripts, '"></script>') + '\
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</head><body>\
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<div class="h5p-content" data-class="' + content.library + '" data-content-id="' + id + '"/>\
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</body></html>');
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iframe.contentDocument.close();
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iframe.contentDocument.documentElement.style.overflow = 'hidden';
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// Clean up
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parent.removeChild(script);
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head.removeChild(data);
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delete window[callback];
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}
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// Create data script
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data = document.createElement('script');
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data.src = url + (url.indexOf('?') === -1 ? '?' : '&') + 'callback=' + callback;
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head.appendChild(data);
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}
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/**
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* Go throught all script tags with the data-h5p attribute and load content.
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*/
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function H5P() {
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var scripts = document.getElementsByTagName('script');
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var h5ps = []; // Use seperate array since scripts grow in size.
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for (var i = 0; i < scripts.length; i++) {
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var script = scripts[i];
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if (script.hasAttribute('data-h5p')) {
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h5ps.push(script);
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}
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}
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for (i = 0; i < h5ps.length; i++) {
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loadContent(contentId, h5ps[i]);
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contentId++;
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}
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};
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/**
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* Return integration object
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*/
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H5P.getIntegration = function (id) {
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var content = contents[id];
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return {
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getJsonContent: function () {
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return content.params;
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},
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getContentPath: function () {
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return content.path + 'content/' + content.id + '/';
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},
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getFullscreen: function () {
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return content.fullscreen;
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},
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getLibraryPath: function (library) {
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return content.path + 'libraries/' + library;
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},
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getContentData: function () {
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return {
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library: content.library,
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jsonContent: content.params,
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fullScreen: content.fullscreen,
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export: content.export,
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embedCode: content.embedCode
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};
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},
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2014-04-13 15:52:12 +02:00
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i18n: content.i18n,
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showH5PIconInActionBar: function () {
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// Always show H5P-icon when embedding
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return true;
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}
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2014-03-26 08:43:29 +01:00
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};
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};
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// Detect if we support fullscreen, and what prefix to use.
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var fullScreenBrowserPrefix;
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if (document.documentElement.requestFullScreen) {
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fullScreenBrowserPrefix = '';
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}
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else if (document.documentElement.webkitRequestFullScreen
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&& navigator.userAgent.indexOf('Android') === -1 // Skip Android
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&& navigator.userAgent.indexOf('Version/') === -1 // Skip Safari
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) {
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fullScreenBrowserPrefix = 'webkit';
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}
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else if (document.documentElement.mozRequestFullScreen) {
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fullScreenBrowserPrefix = 'moz';
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}
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else if (document.documentElement.msRequestFullscreen) {
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fullScreenBrowserPrefix = 'ms';
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}
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/**
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* Enter fullscreen mode.
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*/
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H5P.fullScreen = function ($element, instance, exitCallback, body) {
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var iframe = document.getElementById('h5p-iframe-' + $element.parent().data('content-id'));
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var $classes = $element.add(body);
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var $body = $classes.eq(1);
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var done = function (c) {
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$classes.removeClass(c);
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if (H5P.fullScreenBrowserPrefix === undefined) {
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// Resize content.
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if (instance.$ !== undefined) {
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instance.$.trigger('resize');
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}
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}
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if (exitCallback !== undefined) {
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exitCallback();
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}
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};
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if (fullScreenBrowserPrefix === undefined) {
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// Create semi fullscreen.
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$classes.addClass('h5p-semi-fullscreen');
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iframe.style.position = 'fixed';
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2014-04-13 15:52:12 +02:00
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var $disable = $element.prepend('<a href="#" class="h5p-disable-fullscreen" title="Disable fullscreen"></a>').children(':first');
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2014-03-26 08:43:29 +01:00
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var keyup, disableSemiFullscreen = function () {
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$disable.remove();
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$body.unbind('keyup', keyup);
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iframe.style.position = 'static';
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done('h5p-semi-fullscreen');
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return false;
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};
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keyup = function (event) {
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if (event.keyCode === 27) {
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disableSemiFullscreen();
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}
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};
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$disable.click(disableSemiFullscreen);
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$body.keyup(keyup); // TODO: Does not work with iframe's $!
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}
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else {
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// Create real fullscreen.
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var first, eventName = (fullScreenBrowserPrefix === 'ms' ? 'MSFullscreenChange' : fullScreenBrowserPrefix + 'fullscreenchange');
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document.addEventListener(eventName, function () {
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if (first === undefined) {
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first = false;
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return;
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}
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done('h5p-fullscreen');
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document.removeEventListener(eventName, arguments.callee, false);
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});
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if (fullScreenBrowserPrefix === '') {
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iframe.requestFullScreen();
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}
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else {
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var method = (fullScreenBrowserPrefix === 'ms' ? 'msRequestFullscreen' : fullScreenBrowserPrefix + 'RequestFullScreen');
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var params = (fullScreenBrowserPrefix === 'webkit' ? Element.ALLOW_KEYBOARD_INPUT : undefined);
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iframe[method](params);
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}
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$classes.addClass('h5p-fullscreen');
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}
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iframe.style.height = '100%';
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if (H5P.fullScreenBrowserPrefix === undefined) {
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// Resize content.
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if (instance.$ !== undefined) {
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instance.$.trigger('resize', [true]);
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}
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}
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// Allow H5P to set focus when entering fullscreen mode
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if (instance.focus !== undefined) {
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instance.focus();
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}
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};
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return H5P;
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})();
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new H5P();
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