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TiddlyWiki5/plugins/tiddlywiki/consent-banner/raw-widget.js
jeremy@jermolene.com d505eeb269 Consent widget
Block the raw widget unless consent has been granted. This is helpful because the tw2parser generates <$raw> widgets for content embedded with <html>, and thus this blocks YouTube embeds.
2020-07-13 11:49:21 +01:00

70 lines
1.6 KiB
JavaScript

/*\
title: $:/core/modules/widgets/raw.js
type: application/javascript
module-type: widget
An override of the raw widget that blocks raw content until the user has consented to accept cookies
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var Widget = require("$:/core/modules/widgets/widget.js").widget;
var RawWidget = function(parseTreeNode,options) {
this.initialise(parseTreeNode,options);
};
/*
Inherit from the base widget class
*/
RawWidget.prototype = new Widget();
/*
Render this widget into the DOM
*/
RawWidget.prototype.render = function(parent,nextSibling) {
this.parentDomNode = parent;
this.execute();
this.blocked = this.getVariable("tv-block-embedded-content","no") === "yes";
if(this.blocked) {
this.makeChildWidgets([{
type: "transclude",
attributes: {
tiddler: {type: "string", value: "$:/config/plugins/tiddlywiki/consent-banner/blocked-raw-message"}
}
}]);
// Render child widgets
this.renderChildren(parent,null);
} else {
var div = this.document.createElement("div");
div.innerHTML=this.parseTreeNode.html;
parent.insertBefore(div,nextSibling);
this.domNodes.push(div);
}
};
/*
Compute the internal state of the widget
*/
RawWidget.prototype.execute = function() {
};
/*
Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
*/
RawWidget.prototype.refresh = function(changedTiddlers) {
if(this.blocked) {
return this.refreshChildren(changedTiddlers);
} else {
return false;
}
};
exports.raw = RawWidget;
})();