235 lines
6.8 KiB
JavaScript
235 lines
6.8 KiB
JavaScript
/**
|
|
*
|
|
*/
|
|
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('\
|
|
<!doctype html><html class="h5p-iframe">\
|
|
<head>\
|
|
<script>\
|
|
var H5PIntegration = window.parent.H5P.getIntegration(' + id + ');\
|
|
</script>\
|
|
' + wrap('<link rel="stylesheet" href="', content.styles, '">') + '\
|
|
' + wrap('<script src="', content.scripts, '"></script>') + '\
|
|
</head><body>\
|
|
<div class="h5p-content" data-class="' + content.library + '" data-content-id="' + id + '"/>\
|
|
</body></html>');
|
|
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,
|
|
export: content.export,
|
|
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;
|
|
if (document.documentElement.requestFullScreen) {
|
|
fullScreenBrowserPrefix = '';
|
|
}
|
|
else if (document.documentElement.webkitRequestFullScreen
|
|
&& navigator.userAgent.indexOf('Android') === -1 // Skip Android
|
|
&& navigator.userAgent.indexOf('Version/') === -1 // Skip Safari
|
|
) {
|
|
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);
|
|
|
|
var done = function (c) {
|
|
$classes.removeClass(c);
|
|
|
|
if (H5P.fullScreenBrowserPrefix === undefined) {
|
|
// Resize content.
|
|
if (instance.$ !== undefined) {
|
|
instance.$.trigger('resize');
|
|
}
|
|
}
|
|
|
|
if (exitCallback !== undefined) {
|
|
exitCallback();
|
|
}
|
|
};
|
|
|
|
if (fullScreenBrowserPrefix === undefined) {
|
|
// Create semi fullscreen.
|
|
|
|
$classes.addClass('h5p-semi-fullscreen');
|
|
iframe.style.position = 'fixed';
|
|
|
|
var $disable = $element.prepend('<a href="#" class="h5p-disable-fullscreen" title="Disable fullscreen"></a>').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 $!
|
|
|
|
}
|
|
else {
|
|
// Create real fullscreen.
|
|
|
|
var first, eventName = (fullScreenBrowserPrefix === 'ms' ? 'MSFullscreenChange' : fullScreenBrowserPrefix + 'fullscreenchange');
|
|
document.addEventListener(eventName, function () {
|
|
if (first === undefined) {
|
|
first = false;
|
|
return;
|
|
}
|
|
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' ? Element.ALLOW_KEYBOARD_INPUT : undefined);
|
|
iframe[method](params);
|
|
}
|
|
|
|
$classes.addClass('h5p-fullscreen');
|
|
}
|
|
|
|
iframe.style.height = '100%';
|
|
if (H5P.fullScreenBrowserPrefix === undefined) {
|
|
// Resize content.
|
|
if (instance.$ !== undefined) {
|
|
instance.$.trigger('resize', [true]);
|
|
}
|
|
}
|
|
|
|
// Allow H5P to set focus when entering fullscreen mode
|
|
if (instance.focus !== undefined) {
|
|
instance.focus();
|
|
}
|
|
};
|
|
|
|
return H5P;
|
|
})();
|
|
|
|
new H5P();
|