/**
* IframeContent.js
*
* Released under LGPL License.
* Copyright (c) 1999-2017 Ephox Corp. All rights reserved
*
* License: http://www.tinymce.com/license
* Contributing: http://www.tinymce.com/contributing
*/
define(
'tinymce.plugins.preview.ui.IframeContent',
[
'tinymce.core.util.Tools',
'tinymce.plugins.preview.api.Settings'
],
function (Tools, Settings) {
var getPreviewHtml = function (editor) {
var previewHtml, headHtml = '', encode = editor.dom.encode, contentStyle = Settings.getContentStyle(editor);
headHtml += '<base href="' + encode(editor.documentBaseURI.getURI()) + '">';
if (contentStyle) {
headHtml += '<style type="text/css">' + contentStyle + '</style>';
}
Tools.each(editor.contentCSS, function (url) {
headHtml += '<link type="text/css" rel="stylesheet" href="' + encode(editor.documentBaseURI.toAbsolute(url)) + '">';
});
var bodyId = editor.settings.body_id || 'tinymce';
if (bodyId.indexOf('=') !== -1) {
bodyId = editor.getParam('body_id', '', 'hash');
bodyId = bodyId[editor.id] || bodyId;
}
var bodyClass = editor.settings.body_class || '';
if (bodyClass.indexOf('=') !== -1) {
bodyClass = editor.getParam('body_class', '', 'hash');
bodyClass = bodyClass[editor.id] || '';
}
var preventClicksOnLinksScript = (
'<script>' +
'document.addEventListener && document.addEventListener("click", function(e) {' +
'for (var elm = e.target; elm; elm = elm.parentNode) {' +
'if (elm.nodeName === "A") {' +
'e.preventDefault();' +
'}' +
'}' +
'}, false);' +
'</script> '
);
var dirAttr = editor.settings.directionality ? ' dir="' + editor.settings.directionality + '"' : '';
previewHtml = (
'<!DOCTYPE html>' +
'<html>' +
'<head>' +
headHtml +
'</head>' +
'<body id="' + encode(bodyId) + '" class="mce-content-body ' + encode(bodyClass) + '"' + encode(dirAttr) + '>' +
editor.getContent() +
preventClicksOnLinksScript +
'</body>' +
'</html>'
);
return previewHtml;
};
var injectIframeContent = function (editor, iframe, sandbox) {
var previewHtml = getPreviewHtml(editor);
if (!sandbox) {
// IE 6-11 doesn't support data uris on iframes
// so I guess they will have to be less secure since we can't sandbox on those
// TODO: Use sandbox if future versions of IE supports iframes with data: uris.
var doc = iframe.contentWindow.document;
doc.open();
doc.write(previewHtml);
doc.close();
} else {
iframe.src = 'data:text/html;charset=utf-8,' + encodeURIComponent(previewHtml);
}
};
return {
getPreviewHtml: getPreviewHtml,
injectIframeContent: injectIframeContent
};
}
);
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