384 lines
12 KiB
JavaScript
384 lines
12 KiB
JavaScript
Miniflux.Item = (function() {
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// timestamp of the latest item per feed ever seen
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var latest_feeds_items = [];
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// indicator for new unread items
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var unreadItems = false;
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var nbUnreadItems = function() {
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var navCounterElement = document.getElementById("nav-counter");
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if (navCounterElement) {
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counter = parseInt(navCounterElement.textContent, 10) || 0;
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return counter;
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}
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}();
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var nbPageItems = function() {
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var pageCounterElement = document.getElementById("page-counter");
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if (pageCounterElement) {
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counter = parseInt(pageCounterElement.textContent, 10) || 0;
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return counter;
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}
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}();
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function simulateMouseClick(element)
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{
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var event = document.createEvent("MouseEvents");
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event.initEvent("mousedown", true, true);
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element.dispatchEvent(event);
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var event = document.createEvent("MouseEvents");
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event.initEvent("mouseup", true, true);
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element.dispatchEvent(event);
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element.click();
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}
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function getItemID(item)
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{
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item_id = item.getAttribute("data-item-id");
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return item_id;
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}
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function changeLabel(link)
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{
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if (link && link.hasAttribute("data-reverse-title") && link.hasAttribute("title")) {
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var title = link.getAttribute("title");
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link.setAttribute("title", link.getAttribute("data-reverse-title"));
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link.setAttribute("data-reverse-title", title);
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}
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}
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function changeBookmarkLabel(item)
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{
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var link = item.querySelector(".bookmark-icon");
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changeLabel(link);
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}
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function changeStatusLabel(item)
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{
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var link = item.querySelector(".read-icon");
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changeLabel(link);
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}
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function showItemAsRead(item)
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{
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if (item.getAttribute("data-item-status") === 'read') {
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return;
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}
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if (item.getAttribute("data-hide")) {
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hideItem(item);
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}
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else {
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item.setAttribute("data-item-status", "read");
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changeStatusLabel(item);
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// Change action
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var link = item.querySelector(".read-icon");
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if (link) link.setAttribute("data-action", "mark-unread");
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}
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nbUnreadItems--;
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}
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function showItemAsUnread(item)
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{
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if (item.getAttribute("data-item-status") === 'unread') {
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return;
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}
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if (item.getAttribute("data-hide")) {
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hideItem(item);
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}
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else {
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item.setAttribute("data-item-status", "unread");
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changeStatusLabel(item);
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// Change action
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var link = item.querySelector(".read-icon");
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if (link) link.setAttribute("data-action", "mark-read");
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}
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nbUnreadItems++;
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}
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function hideItem(item)
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{
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if (Miniflux.Event.lastEventType !== "mouse") {
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var items = document.getElementsByTagName("article");
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if (items[items.length-1].id === "current-item") {
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Miniflux.Nav.SelectPreviousItem();
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}
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else {
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Miniflux.Nav.SelectNextItem();
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}
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}
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item.parentNode.removeChild(item);
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nbPageItems--;
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}
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function updateCounters()
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{
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// redirect to unread if we're on a nothing to read page
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if (window.location.href.indexOf('nothing_to_read=1') > -1 && nbUnreadItems > 0) {
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window.location.href = '?action=unread';
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} // reload to get a nothing to read page
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else if (nbPageItems === 0) {
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window.location.reload();
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}
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var pageCounterElement = document.getElementById("page-counter");
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if (pageCounterElement) pageCounterElement.textContent = nbPageItems || '';
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var navCounterElement = document.getElementById("nav-counter");
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navCounterElement.textContent = nbUnreadItems || '';
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var pageHeadingElement = document.querySelector("div.page-header h2:first-of-type");
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if (pageHeadingElement) {
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pageHeading = pageHeadingElement.firstChild.nodeValue;
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}
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else {
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// special handling while viewing an article.
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// 1. The article does not have a page-header element
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// 2. An article could be opened from any page and has the original
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// page as data-item-page value
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var itemHeading = document.querySelector("article.item h1:first-of-type");
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if (itemHeading) {
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document.title = itemHeading.textContent;
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return;
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}
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}
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// pagetitle depends on current page
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var sectionElement = document.querySelector("section.page");
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switch (sectionElement.getAttribute("data-item-page")) {
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case "unread":
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document.title = "Miniflux (" + nbUnreadItems + ")";
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break;
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case "feed-items":
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document.title = "(" + nbPageItems + ") " + pageHeading;
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break;
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default:
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if (pageCounterElement) {
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document.title = pageHeading + " (" + nbPageItems + ")";
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}
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else {
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document.title = pageHeading;
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}
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break;
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}
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}
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function markAsRead(item)
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{
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var item_id = getItemID(item);
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var request = new XMLHttpRequest();
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request.onload = function() {
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if (Miniflux.Nav.IsListing()) {
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showItemAsRead(item);
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updateCounters();
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}
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};
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request.open("POST", "?action=mark-item-read&id=" + item_id, true);
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request.send();
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}
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function markAsUnread(item)
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{
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var item_id = getItemID(item);
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var request = new XMLHttpRequest();
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request.onload = function() {
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if (Miniflux.Nav.IsListing()) {
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showItemAsUnread(item);
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updateCounters();
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}
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};
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request.open("POST", "?action=mark-item-unread&id=" + item_id, true);
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request.send();
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}
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function markAsRemoved(item)
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{
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var item_id = getItemID(item);
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var request = new XMLHttpRequest();
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request.onload = function() {
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if (Miniflux.Nav.IsListing()) {
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hideItem(item);
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if (item.getAttribute("data-item-status") === "unread") nbUnreadItems--;
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updateCounters();
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}
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};
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request.open("POST", "?action=mark-item-removed&id=" + item_id, true);
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request.send();
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}
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return {
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MarkAsRead: markAsRead,
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MarkAsUnread: markAsUnread,
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MarkAsRemoved: markAsRemoved,
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SwitchBookmark: function(item) {
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var item_id = getItemID(item);
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var value = item.getAttribute("data-item-bookmark") === "1" ? "0" : "1";
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var request = new XMLHttpRequest();
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request.onload = function() {
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var sectionElement = document.querySelector("section.page");
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if (Miniflux.Nav.IsListing() && sectionElement.getAttribute("data-item-page") === "bookmarks") {
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hideItem(item);
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updateCounters();
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} else {
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item.setAttribute("data-item-bookmark", value);
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changeBookmarkLabel(item);
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}
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};
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request.open("POST", "?action=bookmark&id=" + item_id + "&value=" + value, true);
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request.send();
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},
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SwitchStatus: function(item) {
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var status = item.getAttribute("data-item-status");
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if (status === "read") {
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markAsUnread(item);
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}
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else if (status === "unread") {
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markAsRead(item);
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}
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},
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Show: function(item) {
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var link = item.querySelector("a.show");
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if (link) simulateMouseClick(link);
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},
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OpenOriginal: function(item) {
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var link = item.querySelector("a.original");
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if (link) simulateMouseClick(link)
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},
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DownloadContent: function(item) {
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var container = document.getElementById("download-item");
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if (! container) return;
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container.innerHTML = " " + container.getAttribute("data-before-message");
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container.className = "loading-icon";
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var request = new XMLHttpRequest();
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request.onload = function() {
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var response = JSON.parse(request.responseText);
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container.className = "";
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if (response['result']) {
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var content = document.getElementById("item-content");
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if (content) content.innerHTML = response['content'];
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container.innerHTML = container.getAttribute("data-after-message");
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}
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else {
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container.innerHTML = container.getAttribute("data-failure-message");
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}
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};
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var item_id = getItemID(item);
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request.open("POST", "?action=download-item&id=" + item_id, true);
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request.send();
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},
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MarkFeedAsRead: function(feed_id) {
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var request = new XMLHttpRequest();
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request.onload = function() {
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var articles = document.getElementsByTagName("article");
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for (var i = 0, ilen = articles.length; i < ilen; i++) {
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showItemAsRead(articles[i]);
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}
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nbUnreadItems = this.responseText;
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updateCounters();
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};
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request.open("POST", "?action=mark-feed-as-read&feed_id=" + feed_id, true);
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request.send();
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},
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ToggleRTLMode: function() {
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var tags = [
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"#current-item h1",
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"#item-content",
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"#listing #current-item h2",
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"#listing #current-item .preview",
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"#listing #current-item .preview-full-content"
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];
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for (var i = 0; i < tags.length; i++) {
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var tag = document.querySelector(tags[i]);
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if (tag) {
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tag.dir = tag.dir == "" ? "rtl" : "";
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}
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}
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},
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hasNewUnread: function() {
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return unreadItems;
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},
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CheckForUpdates: function() {
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if (document.hidden && unreadItems) {
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Miniflux.App.Log('We already have updates, no need to check again');
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return;
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}
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var request = new XMLHttpRequest();
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request.onload = function() {
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var first_run = (latest_feeds_items.length === 0);
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var current_unread = false;
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var response = JSON.parse(this.responseText);
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for (var feed_id in response['feeds']) {
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var current_feed = response['feeds'][feed_id];
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if (! latest_feeds_items.hasOwnProperty(feed_id) || current_feed.time > latest_feeds_items[feed_id]) {
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Miniflux.App.Log('feed ' + feed_id + ': New item(s)');
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latest_feeds_items[feed_id] = current_feed.time;
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if (current_feed.status === 'unread') {
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Miniflux.App.Log('feed ' + feed_id + ': New unread item(s)');
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current_unread = true;
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}
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}
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}
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Miniflux.App.Log('first_run: ' + first_run + ', current_unread: ' + current_unread + ', response.nbUnread: ' + response['nbUnread'] + ', nbUnreadItems: ' + nbUnreadItems);
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if (! document.hidden && (response['nbUnread'] !== nbUnreadItems || unreadItems)) {
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Miniflux.App.Log('Counter changed! Updating unread counter.');
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unreadItems = false;
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nbUnreadItems = response['nbUnread'];
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updateCounters();
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}
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else if (document.hidden && ! first_run && current_unread) {
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Miniflux.App.Log('New Unread! Updating pagetitle.');
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unreadItems = true;
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document.title = "↻ " + document.title;
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}
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else {
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Miniflux.App.Log('No update.');
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}
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Miniflux.App.Log('unreadItems: ' + unreadItems);
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};
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request.open("POST", "?action=latest-feeds-items", true);
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request.send();
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}
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};
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})();
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