97 lines
2.5 KiB
JavaScript
97 lines
2.5 KiB
JavaScript
(function(global, document) {
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"use strict";
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var origin = "[[[.Origin]]]";
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function post(url, data, callback) {
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var xmlDoc = new XMLHttpRequest();
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xmlDoc.open("POST", url, true);
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xmlDoc.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
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xmlDoc.onload = function() {
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callback(JSON.parse(xmlDoc.response));
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};
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xmlDoc.send(JSON.stringify(data));
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}
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function main() {
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var paths = [];
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var doms = [];
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var as = document.getElementsByTagName("a");
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for (var i = 0; i < as.length; i++) {
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var href = as[i].href;
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if (href === undefined) {
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return;
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}
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href = href.replace(/^.*\/\/[^\/]+/, "");
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if (href.endsWith("#commento")) {
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var path = href.substr(0, href.indexOf("#commento"));
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if (path.startsWith(parent.location.host)) {
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path = path.substr(parent.location.host.length);
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}
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paths.push(path);
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doms.push(as[i]);
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}
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}
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var json = {
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"domain": parent.location.host,
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"paths": paths,
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};
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post(origin + "/api/comment/count", json, function(resp) {
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if (!resp.success) {
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console.log("[commento] error: " + resp.message);
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return;
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}
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for (var i = 0; i < paths.length; i++) {
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var count = 0;
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if (paths[i] in resp.commentCounts) {
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count = resp.commentCounts[paths[i]];
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}
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doms[i].innerText = count + " " + (count === 1 ? "comment" : "comments");
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}
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});
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}
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var initted = false;
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function init() {
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if (initted) {
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return;
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}
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initted = true;
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main(undefined);
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}
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var readyLoad = function() {
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var readyState = document.readyState;
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if (readyState === "loading") {
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// The document is still loading. The div we need to fill might not have
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// been parsed yet, so let's wait and retry when the readyState changes.
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// If there is more than one state change, we aren't affected because we
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// have a double-call protection in init().
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document.addEventListener("readystatechange", readyLoad);
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} else if (readyState === "interactive") {
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// The document has been parsed and DOM objects are now accessible. While
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// JS, CSS, and images are still loading, we don't need to wait.
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init();
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} else if (readyState === "complete") {
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// The page has fully loaded (including JS, CSS, and images). From our
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// point of view, this is practically no different from interactive.
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init();
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}
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};
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readyLoad();
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}(window, document));
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