mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-27 03:57:21 +00:00
108 lines
3.3 KiB
JavaScript
108 lines
3.3 KiB
JavaScript
/*\
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title: $:/plugins/tiddlywiki/consent-banner/startup.js
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type: application/javascript
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module-type: startup
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Startup initialisation
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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// Export name and synchronous status
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exports.name = "consent-banner";
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exports.platforms = ["browser"];
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exports.after = ["startup"];
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exports.before = ["render"];
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exports.synchronous = true;
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var CHECK_CONSENT_INTERVAL = 1000, // Milliseconds between checking local storage
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IS_LOGGED_IN_TITLE = "$:/status/IsLoggedIn",
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CONSENT_KEY = "COOKIE_CONSENT", // Local storage keyname
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CONSENT_TITLE = "$:/state/consent-banner/accepted", // "": undeclared, "yes": accepted, "no": declined
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CONFIG_BLOCK_EMBEDDED_CONTENT_TITLE = "$:/config/plugins/tiddlywiki/consent-banner/block-embedded-content",
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EMBEDDED_MESSAGE_WRAPPER_TITLE = "$:/plugins/tiddlywiki/consent-banner/blocked-embed-message-wrapper";
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exports.startup = function() {
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var consentState = "",
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setConsentStatus = function(state) {
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if(consentState !== state) {
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consentState = state;
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// Write to local storage
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window.localStorage.setItem(CONSENT_KEY,state);
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// Write to a state tiddler
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$tw.wiki.addTiddler(new $tw.Tiddler({
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title: CONSENT_TITLE,
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text: state
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}));
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}
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},
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calculateConsentStatus = function() {
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// Consent is implied for logged in users, otherwise we check local storage
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return ($tw.wiki.getTiddlerText(IS_LOGGED_IN_TITLE) === "yes" && "yes") || window.localStorage.getItem(CONSENT_KEY) || "";
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},
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checkConsentStatus = function() {
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setConsentStatus(calculateConsentStatus());
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if(consentState === "") {
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pollConsentStatus();
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}
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},
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pollConsentStatus = function() {
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setTimeout(checkConsentStatus,CHECK_CONSENT_INTERVAL);
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};
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// Set the current consent status
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checkConsentStatus();
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// Listen for consent messages
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$tw.rootWidget.addEventListener("tm-consent-accept",function(event) {
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setConsentStatus("yes");
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});
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$tw.rootWidget.addEventListener("tm-consent-decline",function(event) {
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setConsentStatus("no");
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});
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$tw.rootWidget.addEventListener("tm-consent-clear",function(event) {
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setConsentStatus("");
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});
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// Add our element rendering hook
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if($tw.wiki.getTiddlerText(CONFIG_BLOCK_EMBEDDED_CONTENT_TITLE,"no") === "yes") {
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$tw.hooks.addHook("th-rendering-element",function(parseTreeNodes,widget) {
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if(parseTreeNodes) {
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return parseTreeNodes;
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}
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if(["iframe","object","embed"].indexOf(widget.tag) !== -1 && widget.getVariable("tv-block-embedded-content","no") === "yes") {
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var url = widget.getAttribute("src"),
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addUnitsIfMissing = function(str) {
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str = "" + str;
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return str + (("" + parseInt(str,10)) === str ? "px" : "");
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},
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width = addUnitsIfMissing(widget.getAttribute("width","")),
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height = addUnitsIfMissing(widget.getAttribute("height",""));
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return [
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{
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type: "vars",
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attributes: {
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url: {type: "string", value: url},
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width: {type: "string", value: width},
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height: {type: "string", value: height}
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},
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children: [
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{
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type: "transclude",
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attributes: {
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tiddler: {type: "string", value: EMBEDDED_MESSAGE_WRAPPER_TITLE},
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mode: {type: "string", value: "inline"}
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}
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}
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]
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}
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];
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}
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return null;
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});
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}
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};
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})();
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