/*jshint multistr: true */
/**
*
*/
var H5P = H5P || (function () {
var head = document.getElementsByTagName('head')[0];
var contentId = 0;
var contents = {};
/**
* Wraps multiple content between a prefix and a suffix.
*/
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');
// 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';
// Clean up
parent.removeChild(script);
head.removeChild(data);
delete window[callback];
};
// Create data script
data = document.createElement('script');
data.src = url + (url.indexOf('?') === -1 ? '?' : '&') + 'callback=' + callback;
head.appendChild(data);
};
/**
* Go throught all script tags with the data-h5p attribute and load content.
*/
function H5P() {
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')) {
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;
}
};
};
// 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;
})();
new H5P();