141 lines
2.9 KiB
JavaScript
141 lines
2.9 KiB
JavaScript
(function() {
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var feeds = [];
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var queue = [];
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var queue_length = 5;
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function show_refresh_icon(feed_id)
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{
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var container = document.getElementById("loading-feed-" + feed_id);
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if (container) {
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var img = document.createElement("img");
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img.src = "./assets/img/refresh.gif";
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container.appendChild(img);
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}
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}
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function hide_refresh_icon(feed_id)
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{
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var container = document.getElementById("loading-feed-" + feed_id);
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if (container) {
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container.innerHTML = "";
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}
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}
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function refresh_feed(feed_id, callback)
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{
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if (! feed_id) {
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return false;
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}
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show_refresh_icon(feed_id);
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var request = new XMLHttpRequest();
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request.onload = function() {
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hide_refresh_icon(feed_id);
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try {
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var response = JSON.parse(this.responseText);
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if (callback) {
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callback(response);
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}
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if (! response.result) {
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//window.alert('Unable to refresh this feed: ' + feed_id);
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}
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}
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catch (e) {}
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};
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request.open("GET", "?action=ajax-refresh-feed&feed_id=" + feed_id, true);
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request.send();
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return true;
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}
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function get_feeds()
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{
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var links = document.getElementsByTagName("a");
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for (var i = 0, ilen = links.length; i < ilen; i++) {
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var feed_id = links[i].getAttribute('data-feed-id');
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if (feed_id) {
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feeds.push(parseInt(feed_id));
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}
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}
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}
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function refresh_all()
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{
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get_feeds();
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var interval = setInterval(function() {
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while (feeds.length > 0 && queue.length < queue_length) {
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var feed_id = feeds.shift();
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queue.push(feed_id);
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refresh_feed(feed_id, function(response) {
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var index = queue.indexOf(response.feed_id);
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if (index >= 0) {
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queue.splice(index, 1);
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}
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if (feeds.length == 0 && queue.length == 0) {
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clearInterval(interval);
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window.location.href = "?action=unread";
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}
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});
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}
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}, 100);
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}
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document.onclick = function(e) {
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var action = e.target.getAttribute("data-action");
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if (action) {
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e.preventDefault();
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switch (action) {
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case 'refresh-all':
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refresh_all();
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break;
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case 'refresh-feed':
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var feed_id = e.target.getAttribute("data-feed-id");
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refresh_feed(feed_id);
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break;
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}
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}
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};
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})(); |