main.js 52 KB

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  1. // @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPL-3.0
  2. 'use strict';
  3. // <Polyfills>
  4. if (!document.scrollingElement) document.scrollingElement = document.documentElement;
  5. if (!NodeList.prototype.forEach) NodeList.prototype.forEach = Array.prototype.forEach;
  6. if (!Element.prototype.matches) {
  7. Element.prototype.matches = Element.prototype.msMatchesSelector || Element.prototype.mozMatchesSelector || Element.prototype.webkitMatchesSelector;
  8. }
  9. if (!Element.prototype.closest) {
  10. Element.prototype.closest = function (s) {
  11. let el = this;
  12. do {
  13. if (el.matches(s)) return el;
  14. el = el.parentElement;
  15. } while (el);
  16. return null;
  17. };
  18. }
  19. if (!Element.prototype.remove) Element.prototype.remove = function () { if (this.parentNode) this.parentNode.removeChild(this); };
  20. // </Polyfills>
  21. // <Utils>
  22. function xmlHttpRequestJson(req) {
  23. let json = req.response;
  24. if (req.responseType !== 'json') { // IE11
  25. try {
  26. json = JSON.parse(req.responseText);
  27. } catch (ex) {
  28. json = null;
  29. }
  30. }
  31. return json;
  32. }
  33. // </Utils>
  34. // <Global context>
  35. /* eslint-disable no-var */
  36. var context;
  37. /* eslint-enable no-var */
  38. (function parseJsonVars() {
  39. const jsonVars = document.getElementById('jsonVars');
  40. const json = JSON.parse(jsonVars.innerHTML);
  41. jsonVars.outerHTML = '';
  42. context = json.context;
  43. context.ajax_loading = false;
  44. context.i18n = json.i18n;
  45. context.shortcuts = json.shortcuts;
  46. context.urls = json.urls;
  47. context.icons = json.icons;
  48. context.icons.read = decodeURIComponent(context.icons.read);
  49. context.icons.unread = decodeURIComponent(context.icons.unread);
  50. context.extensions = json.extensions;
  51. }());
  52. // </Global context>
  53. function badAjax(reload) {
  54. openNotification(context.i18n.notif_request_failed, 'bad');
  55. if (reload) {
  56. setTimeout(function () { location.reload(); }, 2000);
  57. }
  58. return true;
  59. }
  60. function needsScroll(elem) {
  61. const winBottom = document.scrollingElement.scrollTop + document.scrollingElement.clientHeight;
  62. const elemTop = elem.offsetParent.offsetTop + elem.offsetTop;
  63. const elemBottom = elemTop + elem.offsetHeight;
  64. if (elemTop < document.scrollingElement.scrollTop || elemBottom > winBottom) {
  65. return elemTop - (document.scrollingElement.clientHeight / 2);
  66. }
  67. return 0;
  68. }
  69. function str2int(str) {
  70. if (!str) {
  71. return 0;
  72. }
  73. return parseInt(str.replace(/\D/g, ''), 10) || 0;
  74. }
  75. function numberFormat(nStr) {
  76. if (nStr < 0) {
  77. return 0;
  78. }
  79. // http://www.mredkj.com/javascript/numberFormat.html
  80. nStr += '';
  81. const x = nStr.split('.');
  82. const x2 = x.length > 1 ? '.' + x[1] : '';
  83. const rgx = /(\d+)(\d{3})/;
  84. let x1 = x[0];
  85. while (rgx.test(x1)) {
  86. x1 = x1.replace(rgx, '$1 $2');
  87. }
  88. return x1 + x2;
  89. }
  90. function incLabel(p, inc, spaceAfter) {
  91. const i = str2int(p) + inc;
  92. return i > 0 ? ((spaceAfter ? '' : ' ') + '(' + numberFormat(i) + ')' + (spaceAfter ? ' ' : '')) : '';
  93. }
  94. function incUnreadsFeed(article, feed_id, nb) {
  95. // Update unread: feed
  96. let elem = document.getElementById(feed_id);
  97. let feed_unreads = elem ? str2int(elem.getAttribute('data-unread')) : 0;
  98. const feed_priority = elem ? str2int(elem.getAttribute('data-priority')) : 0;
  99. if (elem) {
  100. elem.setAttribute('data-unread', feed_unreads + nb);
  101. elem = elem.querySelector('.item-title');
  102. if (elem) {
  103. elem.setAttribute('data-unread', numberFormat(feed_unreads + nb));
  104. }
  105. }
  106. // Update unread: category
  107. elem = document.getElementById(feed_id).closest('.category');
  108. feed_unreads = elem ? str2int(elem.getAttribute('data-unread')) : 0;
  109. if (elem) {
  110. elem.setAttribute('data-unread', feed_unreads + nb);
  111. elem = elem.querySelector('.title');
  112. if (elem) {
  113. elem.setAttribute('data-unread', numberFormat(feed_unreads + nb));
  114. }
  115. }
  116. // Update unread: all
  117. if (feed_priority > 0) {
  118. elem = document.querySelector('#aside_feed .all .title');
  119. if (elem) {
  120. feed_unreads = elem ? str2int(elem.getAttribute('data-unread')) : 0;
  121. elem.setAttribute('data-unread', numberFormat(feed_unreads + nb));
  122. }
  123. }
  124. // Update unread: favourites
  125. if (article && article.closest('div').classList.contains('favorite')) {
  126. elem = document.querySelector('#aside_feed .favorites .title');
  127. if (elem) {
  128. feed_unreads = elem ? str2int(elem.getAttribute('data-unread')) : 0;
  129. elem.setAttribute('data-unread', numberFormat(feed_unreads + nb));
  130. }
  131. }
  132. let isCurrentView = false;
  133. // Update unread: title
  134. document.title = document.title.replace(/^((?:\([\s0-9]+\) )?)/, function (m, p1) {
  135. const feed = document.getElementById(feed_id);
  136. if (article || feed.closest('.active')) {
  137. isCurrentView = true;
  138. return incLabel(p1, nb, true);
  139. } else if (document.querySelector('.all.active')) {
  140. isCurrentView = feed_priority > 0;
  141. return incLabel(p1, feed_priority > 0 ? nb : 0, true);
  142. } else {
  143. return p1;
  144. }
  145. });
  146. return isCurrentView;
  147. }
  148. function incUnreadsTag(tag_id, nb) {
  149. let t = document.getElementById(tag_id);
  150. if (t) {
  151. const unreads = str2int(t.getAttribute('data-unread'));
  152. t.setAttribute('data-unread', unreads + nb);
  153. t.querySelector('.item-title').setAttribute('data-unread', numberFormat(unreads + nb));
  154. }
  155. t = document.querySelector('.category.tags .title');
  156. if (t) {
  157. const unreads = str2int(t.getAttribute('data-unread'));
  158. t.setAttribute('data-unread', numberFormat(unreads + nb));
  159. }
  160. }
  161. function removeArticle(div) {
  162. if (!div || div.classList.contains('not_read') || (context.auto_mark_article && div.classList.contains('active'))) {
  163. return;
  164. }
  165. let scrollTop = box_to_follow.scrollTop;
  166. let dirty = false;
  167. const p = div.previousElementSibling;
  168. const n = div.nextElementSibling;
  169. if (p && p.classList.contains('day') && n && n.classList.contains('day')) {
  170. scrollTop -= p.offsetHeight;
  171. dirty = true;
  172. p.remove();
  173. }
  174. if (div.offsetHeight > 0 && div.offsetParent.offsetTop + div.offsetTop + div.offsetHeight < scrollTop) {
  175. scrollTop -= div.offsetHeight;
  176. dirty = true;
  177. }
  178. div.remove();
  179. if (dirty) {
  180. box_to_follow.scrollTop = scrollTop;
  181. }
  182. }
  183. const pending_entries = {};
  184. let mark_read_queue = [];
  185. function send_mark_read_queue(queue, asRead, callback) {
  186. if (!queue || queue.length === 0) {
  187. if (callback) {
  188. callback();
  189. }
  190. return;
  191. }
  192. const req = new XMLHttpRequest();
  193. req.open('POST', '.?c=entry&a=read' + (asRead ? '' : '&is_read=0'), true);
  194. req.responseType = 'json';
  195. req.onerror = function (e) {
  196. for (let i = queue.length - 1; i >= 0; i--) {
  197. delete pending_entries['flux_' + queue[i]];
  198. }
  199. badAjax(this.status == 403);
  200. };
  201. req.onload = function (e) {
  202. if (this.status != 200) {
  203. return req.onerror(e);
  204. }
  205. const json = xmlHttpRequestJson(this);
  206. if (!json) {
  207. return req.onerror(e);
  208. }
  209. for (let i = queue.length - 1; i >= 0; i--) {
  210. const div = document.getElementById('flux_' + queue[i]);
  211. const myIcons = context.icons;
  212. let inc = 0;
  213. if (div.classList.contains('not_read')) {
  214. div.classList.remove('not_read');
  215. div.querySelectorAll('a.read').forEach(function (a) {
  216. a.href = a.href.replace('&is_read=0', '') + '&is_read=1';
  217. });
  218. div.querySelectorAll('a.read > .icon').forEach(function (img) { img.outerHTML = myIcons.read; });
  219. inc--;
  220. if (context.auto_remove_article) {
  221. removeArticle(div);
  222. }
  223. } else {
  224. div.classList.add('not_read');
  225. div.classList.add('keep_unread'); // Split for IE11
  226. div.querySelectorAll('a.read').forEach(function (a) {
  227. a.href = a.href.replace('&is_read=1', '');
  228. });
  229. div.querySelectorAll('a.read > .icon').forEach(function (img) { img.outerHTML = myIcons.unread; });
  230. inc++;
  231. }
  232. const feed_link = div.querySelector('.website > a, a.website');
  233. if (feed_link) {
  234. const feed_url = feed_link.href;
  235. const feed_id = feed_url.substr(feed_url.lastIndexOf('f_'));
  236. incUnreadsFeed(div, feed_id, inc);
  237. }
  238. delete pending_entries['flux_' + queue[i]];
  239. }
  240. faviconNbUnread();
  241. if (json.tags) {
  242. const tagIds = Object.keys(json.tags);
  243. for (let i = tagIds.length - 1; i >= 0; i--) {
  244. const tagId = tagIds[i];
  245. incUnreadsTag(tagId, (asRead ? -1 : 1) * json.tags[tagId].length);
  246. }
  247. }
  248. onScroll();
  249. if (callback) {
  250. callback();
  251. }
  252. };
  253. req.setRequestHeader('Content-Type', 'application/json');
  254. req.send(JSON.stringify({
  255. ajax: true,
  256. _csrf: context.csrf,
  257. id: queue,
  258. }));
  259. }
  260. let send_mark_read_queue_timeout = 0;
  261. function send_mark_queue_tick(callback) {
  262. send_mark_read_queue_timeout = 0;
  263. const queue = mark_read_queue.slice(0);
  264. mark_read_queue = [];
  265. send_mark_read_queue(queue, true, callback);
  266. }
  267. const delayedFunction = send_mark_queue_tick;
  268. function delayedClick(a) {
  269. if (a) {
  270. delayedFunction(function () { a.click(); });
  271. }
  272. }
  273. function mark_read(div, only_not_read, asBatch) {
  274. if (!div || !div.id || context.anonymous ||
  275. (only_not_read && !div.classList.contains('not_read'))) {
  276. return false;
  277. }
  278. if (pending_entries[div.id]) {
  279. return false;
  280. }
  281. pending_entries[div.id] = true;
  282. const asRead = div.classList.contains('not_read');
  283. const entryId = div.id.replace(/^flux_/, '');
  284. if (asRead && asBatch) {
  285. mark_read_queue.push(entryId);
  286. if (send_mark_read_queue_timeout == 0) {
  287. send_mark_read_queue_timeout = setTimeout(function () { send_mark_queue_tick(null); }, 1000);
  288. }
  289. } else {
  290. const queue = [entryId];
  291. send_mark_read_queue(queue, asRead);
  292. }
  293. }
  294. function mark_previous_read(div) {
  295. while (div) {
  296. mark_read(div, true, true);
  297. div = div.previousElementSibling;
  298. }
  299. }
  300. function mark_favorite(div) {
  301. if (!div) {
  302. return false;
  303. }
  304. const a = div.querySelector('a.bookmark');
  305. const url = a ? a.href : '';
  306. if (!url) {
  307. return false;
  308. }
  309. if (pending_entries[div.id]) {
  310. return false;
  311. }
  312. pending_entries[div.id] = true;
  313. const req = new XMLHttpRequest();
  314. req.open('POST', url, true);
  315. req.responseType = 'json';
  316. req.onerror = function (e) {
  317. delete pending_entries[div.id];
  318. badAjax(this.status == 403);
  319. };
  320. req.onload = function (e) {
  321. if (this.status != 200) {
  322. return req.onerror(e);
  323. }
  324. const json = xmlHttpRequestJson(this);
  325. if (!json) {
  326. return req.onerror(e);
  327. }
  328. let inc = 0;
  329. if (div.classList.contains('favorite')) {
  330. div.classList.remove('favorite');
  331. inc--;
  332. } else {
  333. div.classList.add('favorite');
  334. inc++;
  335. }
  336. div.querySelectorAll('a.bookmark').forEach(function (a) { a.href = json.url; });
  337. div.querySelectorAll('a.bookmark > .icon').forEach(function (img) { img.outerHTML = json.icon; });
  338. const favourites = document.querySelector('#aside_feed .favorites .title');
  339. if (favourites) {
  340. favourites.textContent = favourites.textContent.replace(/((?: \([\s0-9]+\))?\s*)$/, function (m, p1) {
  341. return incLabel(p1, inc, false);
  342. });
  343. }
  344. if (div.classList.contains('not_read')) {
  345. const elem = document.querySelector('#aside_feed .favorites .title');
  346. const feed_unreads = elem ? str2int(elem.getAttribute('data-unread')) : 0;
  347. if (elem) {
  348. elem.setAttribute('data-unread', numberFormat(feed_unreads + inc));
  349. }
  350. }
  351. delete pending_entries[div.id];
  352. };
  353. req.setRequestHeader('Content-Type', 'application/json');
  354. req.send(JSON.stringify({
  355. ajax: true,
  356. _csrf: context.csrf,
  357. }));
  358. }
  359. const freshrssOpenArticleEvent = document.createEvent('Event');
  360. freshrssOpenArticleEvent.initEvent('freshrss:openArticle', true, true);
  361. function toggleContent(new_active, old_active, skipping) {
  362. // If skipping, move current without activating or marking as read
  363. if (!new_active) {
  364. return;
  365. }
  366. if (context.does_lazyload && !skipping) {
  367. new_active.querySelectorAll('img[data-original], iframe[data-original]').forEach(function (el) {
  368. el.src = el.getAttribute('data-original');
  369. el.removeAttribute('data-original');
  370. });
  371. }
  372. if (old_active !== new_active) {
  373. if (!skipping) {
  374. new_active.classList.add('active');
  375. }
  376. new_active.classList.add('current');
  377. if (old_active) {
  378. old_active.classList.remove('active');
  379. old_active.classList.remove('current'); // Split for IE11
  380. if (context.auto_remove_article) {
  381. removeArticle(old_active);
  382. }
  383. }
  384. } else {
  385. new_active.classList.toggle('active');
  386. }
  387. const relative_move = context.current_view === 'global';
  388. const box_to_move = relative_move ? document.getElementById('panel') : document.scrollingElement;
  389. if (context.sticky_post) { // Stick the article to the top when opened
  390. const prev_article = new_active.previousElementSibling;
  391. let new_pos = new_active.offsetParent.offsetTop + new_active.offsetTop;
  392. if (prev_article && new_active.offsetTop - prev_article.offsetTop <= 150) {
  393. new_pos = prev_article.offsetParent.offsetTop + prev_article.offsetTop;
  394. if (relative_move) {
  395. new_pos -= box_to_move.offsetTop;
  396. }
  397. }
  398. if (skipping) {
  399. // when skipping, this feels more natural if it’s not so near the top
  400. new_pos -= document.body.clientHeight / 4;
  401. }
  402. if (relative_move) {
  403. new_pos += box_to_move.scrollTop;
  404. }
  405. box_to_move.scrollTop = new_pos;
  406. }
  407. if (new_active.classList.contains('active') && !skipping) {
  408. if (context.auto_mark_article) {
  409. mark_read(new_active, true, true);
  410. }
  411. new_active.dispatchEvent(freshrssOpenArticleEvent);
  412. }
  413. onScroll();
  414. }
  415. function prev_entry(skipping) {
  416. const old_active = document.querySelector('.flux.current');
  417. let new_active = old_active;
  418. if (new_active) {
  419. do new_active = new_active.previousElementSibling;
  420. while (new_active && !new_active.classList.contains('flux'));
  421. if (!new_active) {
  422. prev_feed();
  423. }
  424. } else {
  425. new_active = document.querySelector('.flux');
  426. }
  427. toggleContent(new_active, old_active, skipping);
  428. }
  429. function next_entry(skipping) {
  430. const old_active = document.querySelector('.flux.current');
  431. let new_active = old_active;
  432. if (new_active) {
  433. do new_active = new_active.nextElementSibling;
  434. while (new_active && !new_active.classList.contains('flux'));
  435. if (!new_active) {
  436. next_feed();
  437. }
  438. } else {
  439. new_active = document.querySelector('.flux');
  440. }
  441. toggleContent(new_active, old_active, skipping);
  442. }
  443. function next_unread_entry(skipping) {
  444. const old_active = document.querySelector('.flux.current');
  445. let new_active = old_active;
  446. if (new_active) {
  447. do new_active = new_active.nextElementSibling;
  448. while (new_active && !new_active.classList.contains('not_read'));
  449. if (!new_active) {
  450. next_feed();
  451. }
  452. } else {
  453. new_active = document.querySelector('.not_read');
  454. }
  455. toggleContent(new_active, old_active, skipping);
  456. }
  457. function prev_feed() {
  458. let found = false;
  459. let adjacent = null;
  460. const feeds = document.querySelectorAll('#aside_feed .feed');
  461. for (let i = feeds.length - 1; i >= 0; i--) {
  462. const feed = feeds[i];
  463. if (feed.classList.contains('active')) {
  464. found = true;
  465. continue;
  466. }
  467. if (!found) {
  468. continue;
  469. }
  470. if (getComputedStyle(feed).display === 'none') {
  471. continue;
  472. }
  473. if (feed.dataset.unread != 0) {
  474. return delayedClick(feed.querySelector('a.item-title'));
  475. } else if (adjacent === null) {
  476. adjacent = feed;
  477. }
  478. }
  479. if (found) {
  480. delayedClick(adjacent.querySelector('a.item-title'));
  481. } else {
  482. last_feed();
  483. }
  484. }
  485. function next_feed() {
  486. let found = false;
  487. let adjacent = null;
  488. const feeds = document.querySelectorAll('#aside_feed .feed');
  489. for (let i = 0; i < feeds.length; i++) {
  490. const feed = feeds[i];
  491. if (feed.classList.contains('active')) {
  492. found = true;
  493. continue;
  494. }
  495. if (!found) {
  496. continue;
  497. }
  498. if (getComputedStyle(feed).display === 'none') {
  499. continue;
  500. }
  501. if (feed.dataset.unread != 0) {
  502. return delayedClick(feed.querySelector('a.item-title'));
  503. } else if (adjacent === null) {
  504. adjacent = feed;
  505. }
  506. }
  507. if (found) {
  508. delayedClick(adjacent.querySelector('a.item-title'));
  509. } else {
  510. first_feed();
  511. }
  512. }
  513. function first_feed() {
  514. const a = document.querySelector('#aside_feed .category.active .feed:not([data-unread="0"]) a.item-title');
  515. delayedClick(a);
  516. }
  517. function last_feed() {
  518. const links = document.querySelectorAll('#aside_feed .category.active .feed:not([data-unread="0"]) a.item-title');
  519. if (links && links.length > 0) {
  520. delayedClick(links[links.length - 1]);
  521. }
  522. }
  523. function prev_category() {
  524. const active_cat = document.querySelector('#aside_feed .category.active');
  525. if (active_cat) {
  526. let cat = active_cat;
  527. do cat = cat.previousElementSibling;
  528. while (cat && getComputedStyle(cat).display === 'none');
  529. if (cat) {
  530. delayedClick(cat.querySelector('a.title'));
  531. }
  532. } else {
  533. last_category();
  534. }
  535. }
  536. function next_category() {
  537. const active_cat = document.querySelector('#aside_feed .category.active');
  538. if (active_cat) {
  539. let cat = active_cat;
  540. do cat = cat.nextElementSibling;
  541. while (cat && getComputedStyle(cat).display === 'none');
  542. if (cat) {
  543. delayedClick(cat.querySelector('a.title'));
  544. }
  545. } else {
  546. first_category();
  547. }
  548. }
  549. function next_unread_category() {
  550. const active_cat = document.querySelector('#aside_feed .category.active');
  551. if (active_cat) {
  552. let cat = active_cat;
  553. do cat = cat.nextElementSibling;
  554. while (cat && cat.getAttribute('data-unread') <= 0);
  555. if (cat) {
  556. delayedClick(cat.querySelector('a.title'));
  557. }
  558. } else {
  559. first_category();
  560. }
  561. }
  562. function first_category() {
  563. const a = document.querySelector('#aside_feed .category:not([data-unread="0"]) a.title');
  564. delayedClick(a);
  565. }
  566. function last_category() {
  567. const links = document.querySelectorAll('#aside_feed .category:not([data-unread="0"]) a.title');
  568. if (links && links.length > 0) {
  569. delayedClick(links[links.length - 1]);
  570. }
  571. }
  572. function collapse_entry() {
  573. const flux_current = document.querySelector('.flux.current');
  574. toggleContent(flux_current, flux_current, false);
  575. }
  576. function toggle_media() {
  577. const media = document.querySelector('.flux.current video,.flux.current audio');
  578. if (media === null) {
  579. return;
  580. }
  581. if (media.paused) {
  582. media.play();
  583. } else {
  584. media.pause();
  585. }
  586. }
  587. function user_filter(key) {
  588. const filter = document.getElementById('dropdown-query');
  589. const filters = filter.parentElement.querySelectorAll('.dropdown-menu > .query > a');
  590. if (typeof key === 'undefined') {
  591. if (!filters.length) {
  592. return;
  593. }
  594. // Display the filter div
  595. location.hash = filter.id;
  596. // Force scrolling to the filter div
  597. const scroll = needsScroll(document.querySelector('.header'));
  598. if (scroll !== 0) {
  599. document.scrollingElement.scrollTop = scroll;
  600. }
  601. // Force the key value if there is only one action, so we can trigger it automatically
  602. if (filters.length === 1) {
  603. key = 1;
  604. } else {
  605. return;
  606. }
  607. }
  608. // Trigger selected share action
  609. key = parseInt(key);
  610. if (key <= filters.length) {
  611. filters[key - 1].click();
  612. }
  613. }
  614. function auto_share(key) {
  615. const share = document.querySelector('.flux.current.active .dropdown-target[id^="dropdown-share"]');
  616. if (!share) {
  617. return;
  618. }
  619. const shares = share.parentElement.querySelectorAll('.dropdown-menu .item a');
  620. if (typeof key === 'undefined') {
  621. // Display the share div
  622. location.hash = share.id;
  623. // Force scrolling to the share div
  624. const scrollTop = needsScroll(share.closest('.bottom'));
  625. if (scrollTop !== 0) {
  626. document.scrollingElement.scrollTop = scrollTop;
  627. }
  628. // Force the key value if there is only one action, so we can trigger it automatically
  629. if (shares.length === 1) {
  630. key = 1;
  631. } else {
  632. return;
  633. }
  634. }
  635. // Trigger selected share action and hide the share div
  636. key = parseInt(key);
  637. if (key <= shares.length) {
  638. shares[key - 1].click();
  639. share.parentElement.querySelector('.dropdown-menu + a.dropdown-close').click();
  640. }
  641. }
  642. let box_to_follow;
  643. function onScroll() {
  644. if (!box_to_follow) {
  645. return;
  646. }
  647. if (context.auto_mark_scroll) {
  648. const minTop = 40 + box_to_follow.scrollTop;
  649. document.querySelectorAll('.not_read:not(.keep_unread)').forEach(function (div) {
  650. if (div.offsetHeight > 0 &&
  651. div.offsetParent.offsetTop + div.offsetTop + div.offsetHeight < minTop) {
  652. mark_read(div, true, true);
  653. }
  654. });
  655. }
  656. if (context.auto_load_more) {
  657. const streamFooter = document.getElementById('stream-footer');
  658. if (streamFooter && box_to_follow.offsetHeight > 0 &&
  659. box_to_follow.scrollTop + box_to_follow.offsetHeight + (window.innerHeight / 2) >= streamFooter.offsetTop) {
  660. load_more_posts();
  661. }
  662. }
  663. }
  664. function init_posts() {
  665. if (context.auto_load_more || context.auto_mark_scroll || context.auto_remove_article) {
  666. box_to_follow = context.current_view === 'global' ? document.getElementById('panel') : document.scrollingElement;
  667. let lastScroll = 0; // Throttle
  668. let timerId = 0;
  669. (box_to_follow === document.scrollingElement ? window : box_to_follow).onscroll = function () {
  670. clearTimeout(timerId);
  671. if (lastScroll + 500 < Date.now()) {
  672. lastScroll = Date.now();
  673. onScroll();
  674. } else {
  675. timerId = setTimeout(onScroll, 500);
  676. }
  677. };
  678. onScroll();
  679. }
  680. }
  681. function rememberOpenCategory(category_id, isOpen) {
  682. if (context.display_categories === 'remember') {
  683. const open_categories = JSON.parse(localStorage.getItem('FreshRSS_open_categories') || '{}');
  684. if (isOpen) {
  685. open_categories[category_id] = true;
  686. } else {
  687. delete open_categories[category_id];
  688. }
  689. localStorage.setItem('FreshRSS_open_categories', JSON.stringify(open_categories));
  690. }
  691. }
  692. function openCategory(category_id) {
  693. const category_element = document.getElementById(category_id);
  694. category_element.querySelector('.tree-folder-items').classList.add('active');
  695. const img = category_element.querySelector('a.dropdown-toggle img');
  696. img.src = img.src.replace('/icons/down.', '/icons/up.');
  697. img.alt = '△';
  698. }
  699. function init_column_categories() {
  700. if (context.current_view !== 'normal' && context.current_view !== 'reader') {
  701. return;
  702. }
  703. // Restore sidebar scroll position
  704. document.getElementById('sidebar').scrollTop = +sessionStorage.getItem('FreshRSS_sidebar_scrollTop');
  705. // Restore open categories
  706. if (context.display_categories === 'remember') {
  707. const open_categories = JSON.parse(localStorage.getItem('FreshRSS_open_categories') || '{}');
  708. Object.keys(open_categories).forEach(function (category_id) {
  709. openCategory(category_id);
  710. });
  711. }
  712. document.getElementById('aside_feed').onclick = function (ev) {
  713. let a = ev.target.closest('.tree-folder > .tree-folder-title > a.dropdown-toggle');
  714. if (a) {
  715. const img = a.querySelector('img');
  716. const category_id = a.closest('.category').id;
  717. if (img.alt === '▽') {
  718. img.src = img.src.replace('/icons/down.', '/icons/up.');
  719. img.alt = '△';
  720. rememberOpenCategory(category_id, true);
  721. } else {
  722. img.src = img.src.replace('/icons/up.', '/icons/down.');
  723. img.alt = '▽';
  724. rememberOpenCategory(category_id, false);
  725. }
  726. const ul = a.closest('li').querySelector('.tree-folder-items');
  727. let nbVisibleItems = 0;
  728. for (let i = ul.children.length - 1; i >= 0; i--) {
  729. if (ul.children[i].offsetHeight) {
  730. nbVisibleItems++;
  731. }
  732. }
  733. ul.classList.toggle('active');
  734. // CSS transition does not work on max-height:auto
  735. ul.style.maxHeight = ul.classList.contains('active') ? (nbVisibleItems * 4) + 'em' : 0;
  736. return false;
  737. }
  738. a = ev.target.closest('.tree-folder-items > .feed .dropdown-toggle');
  739. if (a) {
  740. const itemId = a.closest('.item').id;
  741. const templateId = itemId.substring(0, 2) === 't_' ? 'tag_config_template' : 'feed_config_template';
  742. const id = itemId.substr(2);
  743. const feed_web = a.getAttribute('data-fweb');
  744. const div = a.parentElement;
  745. const dropdownMenu = div.querySelector('.dropdown-menu');
  746. const template = document.getElementById(templateId)
  747. .innerHTML.replace(/------/g, id).replace('http://example.net/', feed_web);
  748. if (!dropdownMenu) {
  749. a.href = '#dropdown-' + id;
  750. div.querySelector('.dropdown-target').id = 'dropdown-' + id;
  751. div.insertAdjacentHTML('beforeend', template);
  752. const b = div.querySelector('button.confirm');
  753. if (b) {
  754. b.disabled = false;
  755. }
  756. } else if (getComputedStyle(dropdownMenu).display === 'none') {
  757. const id2 = div.closest('.item').id.substr(2);
  758. a.href = '#dropdown-' + id2;
  759. } else {
  760. a.href = '#close';
  761. }
  762. return true;
  763. }
  764. return true;
  765. };
  766. }
  767. function init_shortcuts() {
  768. Object.keys(context.shortcuts).forEach(function (k) {
  769. context.shortcuts[k] = (context.shortcuts[k] || '').toUpperCase();
  770. });
  771. document.addEventListener('keydown', ev => {
  772. if (ev.target.closest('input, textarea') ||
  773. ev.ctrlKey || ev.metaKey || (ev.altKey && ev.shiftKey)) {
  774. return;
  775. }
  776. const s = context.shortcuts;
  777. let k = (ev.key.trim() || ev.code || 'Space').toUpperCase();
  778. // IE11
  779. if (k === 'SPACEBAR') k = 'SPACE';
  780. else if (k === 'DEL') k = 'DELETE';
  781. else if (k === 'ESC') k = 'ESCAPE';
  782. if (location.hash.match(/^#dropdown-/)) {
  783. const n = parseInt(k);
  784. if (n) {
  785. if (location.hash === '#dropdown-query') {
  786. user_filter(n);
  787. } else {
  788. auto_share(n);
  789. }
  790. ev.preventDefault();
  791. return;
  792. }
  793. }
  794. if (k === s.actualize) {
  795. const btn = document.getElementById('actualize');
  796. if (btn) {
  797. btn.click();
  798. }
  799. ev.preventDefault();
  800. return;
  801. }
  802. if (k === s.next_entry) {
  803. if (ev.altKey) {
  804. next_category();
  805. } else if (ev.shiftKey) {
  806. next_feed();
  807. } else {
  808. next_entry(false);
  809. }
  810. ev.preventDefault();
  811. return;
  812. }
  813. if (k === s.next_unread_entry) {
  814. if (ev.altKey) {
  815. next_unread_category();
  816. } else if (ev.shiftKey) {
  817. next_feed();
  818. } else {
  819. next_unread_entry(false);
  820. }
  821. ev.preventDefault();
  822. return;
  823. }
  824. if (k === s.prev_entry) {
  825. if (ev.altKey) {
  826. prev_category();
  827. } else if (ev.shiftKey) {
  828. prev_feed();
  829. } else {
  830. prev_entry(false);
  831. }
  832. ev.preventDefault();
  833. return;
  834. }
  835. if (k === s.mark_read) {
  836. if (ev.altKey) {
  837. mark_previous_read(document.querySelector('.flux.current'));
  838. } else if (ev.shiftKey) {
  839. document.querySelector('.nav_menu .read_all').click();
  840. } else { // Toggle the read state
  841. mark_read(document.querySelector('.flux.current'), false, false);
  842. }
  843. ev.preventDefault();
  844. return;
  845. }
  846. if (k === s.first_entry) {
  847. if (ev.altKey) {
  848. first_category();
  849. } else if (ev.shiftKey) {
  850. first_feed();
  851. } else {
  852. const old_active = document.querySelector('.flux.current');
  853. const first = document.querySelector('.flux');
  854. if (first.classList.contains('flux')) {
  855. toggleContent(first, old_active, false);
  856. }
  857. }
  858. ev.preventDefault();
  859. return;
  860. }
  861. if (k === s.last_entry) {
  862. if (ev.altKey) {
  863. last_category();
  864. } else if (ev.shiftKey) {
  865. last_feed();
  866. } else {
  867. const old_active = document.querySelector('.flux.current');
  868. const last = document.querySelector('.flux:last-of-type');
  869. if (last.classList.contains('flux')) {
  870. toggleContent(last, old_active, false);
  871. }
  872. }
  873. ev.preventDefault();
  874. return;
  875. }
  876. if (ev.altKey || ev.shiftKey) {
  877. return;
  878. }
  879. if (k === s.mark_favorite) { // Toggle the favorite state
  880. mark_favorite(document.querySelector('.flux.current'));
  881. ev.preventDefault();
  882. return;
  883. }
  884. if (k === s.go_website) {
  885. if (context.auto_mark_site) {
  886. mark_read(document.querySelector('.flux.current'), true, false);
  887. }
  888. const newWindow = window.open();
  889. if (newWindow) {
  890. newWindow.opener = null;
  891. newWindow.location = document.querySelector('.flux.current a.go_website').href;
  892. }
  893. ev.preventDefault();
  894. return;
  895. }
  896. if (k === s.skip_next_entry) { next_entry(true); ev.preventDefault(); return; }
  897. if (k === s.skip_prev_entry) { prev_entry(true); ev.preventDefault(); return; }
  898. if (k === s.collapse_entry) { collapse_entry(); ev.preventDefault(); return; }
  899. if (k === s.auto_share) { auto_share(); ev.preventDefault(); return; }
  900. if (k === s.user_filter) { user_filter(); ev.preventDefault(); return; }
  901. if (k === s.load_more) { load_more_posts(); ev.preventDefault(); return; }
  902. if (k === s.close_dropdown) { location.hash = null; ev.preventDefault(); return; }
  903. if (k === s.help) { window.open(context.urls.help); ev.preventDefault(); return; }
  904. if (k === s.focus_search) { document.getElementById('search').focus(); ev.preventDefault(); return; }
  905. if (k === s.normal_view) { delayedClick(document.querySelector('#nav_menu_views .view-normal')); ev.preventDefault(); return; }
  906. if (k === s.reading_view) { delayedClick(document.querySelector('#nav_menu_views .view-reader')); ev.preventDefault(); return; }
  907. if (k === s.global_view) { delayedClick(document.querySelector('#nav_menu_views .view-global')); ev.preventDefault(); return; }
  908. if (k === s.rss_view) { delayedClick(document.querySelector('#nav_menu_views .view-rss')); ev.preventDefault(); return; }
  909. if (k === s.toggle_media) { toggle_media(); ev.preventDefault(); }
  910. });
  911. }
  912. function init_stream(stream) {
  913. stream.onclick = function (ev) {
  914. let el = ev.target.closest('.flux a.read');
  915. if (el) {
  916. mark_read(el.closest('.flux'), false, false);
  917. return false;
  918. }
  919. el = ev.target.closest('.flux a.bookmark');
  920. if (el) {
  921. mark_favorite(el.closest('.flux'));
  922. return false;
  923. }
  924. el = ev.target.closest('.dynamictags');
  925. if (el) {
  926. loadDynamicTags(el);
  927. return true;
  928. }
  929. el = ev.target.closest('.item.title > a');
  930. if (el) { // Allow default control-click behaviour such as open in background-tab
  931. return ev.ctrlKey;
  932. }
  933. el = ev.target.closest('.flux .content a');
  934. if (el) {
  935. if (!el.closest('div').classList.contains('author')) {
  936. el.target = '_blank';
  937. el.rel = 'noreferrer';
  938. }
  939. return true;
  940. }
  941. el = ev.target.closest('.item.share > button[data-type="print"]');
  942. if (el) { // Print
  943. const tmp_window = window.open();
  944. for (let i = 0; i < document.styleSheets.length; i++) {
  945. tmp_window.document.writeln('<link href="' + document.styleSheets[i].href + '" rel="stylesheet" type="text/css" />');
  946. }
  947. tmp_window.document.writeln(el.closest('.flux_content').querySelector('.content').innerHTML);
  948. tmp_window.document.close();
  949. tmp_window.focus();
  950. tmp_window.print();
  951. tmp_window.close();
  952. return false;
  953. }
  954. el = ev.target.closest('.item.share > button[data-type="clipboard"]');
  955. if (el && navigator.clipboard) { // Clipboard
  956. navigator.clipboard.writeText(el.dataset.url);
  957. return false;
  958. }
  959. el = ev.target.closest('.item.share > button[data-type="web-sharing-api"]');
  960. if (el && navigator.share) { // https://developer.mozilla.org/en-US/docs/Web/API/Navigator/share
  961. const shareData = {
  962. url: el.dataset.url,
  963. title: decodeURI(el.dataset.title),
  964. };
  965. navigator.share(shareData);
  966. return false;
  967. }
  968. el = ev.target.closest('.item.share > a[href="POST"]');
  969. if (el) { // Share by POST
  970. const f = el.parentElement.querySelector('form');
  971. f.disabled = false;
  972. f.submit();
  973. return false;
  974. }
  975. el = ev.target.closest('.flux_header, .flux_content');
  976. if (el) { // flux_toggle
  977. if (ev.target.closest('.content, .item.website, .item.link, .dropdown-menu')) {
  978. return true;
  979. }
  980. if (!context.sides_close_article && ev.target.matches('div.flux_content')) {
  981. // setting for not-closing after clicking outside article area
  982. return false;
  983. }
  984. const old_active = document.querySelector('.flux.current');
  985. const new_active = el.parentNode;
  986. if (ev.target.tagName.toUpperCase() === 'A') { // Leave real links alone
  987. if (context.auto_mark_article) {
  988. mark_read(new_active, true, false);
  989. }
  990. return true;
  991. }
  992. toggleContent(new_active, old_active, false);
  993. return false;
  994. }
  995. };
  996. if (!navigator.share) {
  997. // https://developer.mozilla.org/en-US/docs/Web/API/Navigator/share
  998. // do not show the menu entry if browser does not support navigator.share
  999. document.styleSheets[0].insertRule(
  1000. 'button.as-link[data-type="web-sharing-api"] {display: none !important;}',
  1001. document.styleSheets[0].cssRules.length
  1002. );
  1003. }
  1004. stream.onmouseup = function (ev) { // Mouseup enables us to catch middle click, and control+click in IE/Edge
  1005. if (ev.altKey || ev.metaKey || ev.shiftKey) {
  1006. return;
  1007. }
  1008. let el = ev.target.closest('.item.title > a');
  1009. if (el) {
  1010. if (ev.which == 1) {
  1011. if (ev.ctrlKey) { // Control+click
  1012. if (context.auto_mark_site) {
  1013. mark_read(el.closest('.flux'), true, false);
  1014. }
  1015. } else {
  1016. el.parentElement.click(); // Normal click, just toggle article.
  1017. }
  1018. } else if (ev.which == 2 && !ev.ctrlKey) { // Simple middle click: same behaviour as CTRL+click
  1019. if (context.auto_mark_article) {
  1020. const new_active = el.closest('.flux');
  1021. mark_read(new_active, true, false);
  1022. }
  1023. }
  1024. return;
  1025. }
  1026. if (context.auto_mark_site) {
  1027. // catch mouseup instead of click so we can have the correct behaviour
  1028. // with middle button click (scroll button).
  1029. el = ev.target.closest('.flux .link > a');
  1030. if (el) {
  1031. if (ev.which == 3) {
  1032. return;
  1033. }
  1034. mark_read(el.closest('.flux'), true, false);
  1035. }
  1036. }
  1037. };
  1038. stream.onchange = function (ev) {
  1039. const checkboxTag = ev.target.closest('.checkboxTag');
  1040. if (checkboxTag) { // Dynamic tags
  1041. ev.stopPropagation();
  1042. const isChecked = checkboxTag.checked;
  1043. const tagId = checkboxTag.name.replace(/^t_/, '');
  1044. const tagName = checkboxTag.nextElementSibling ? checkboxTag.nextElementSibling.value : '';
  1045. const entry = checkboxTag.closest('div.flux');
  1046. const entryId = entry.id.replace(/^flux_/, '');
  1047. checkboxTag.disabled = true;
  1048. const req = new XMLHttpRequest();
  1049. req.open('POST', './?c=tag&a=tagEntry', true);
  1050. req.responseType = 'json';
  1051. req.onerror = function (e) {
  1052. checkboxTag.checked = !isChecked;
  1053. badAjax(this.status == 403);
  1054. };
  1055. req.onload = function (e) {
  1056. if (this.status != 200) {
  1057. return req.onerror(e);
  1058. }
  1059. if (entry.classList.contains('not_read')) {
  1060. incUnreadsTag('t_' + tagId, isChecked ? 1 : -1);
  1061. }
  1062. };
  1063. req.onloadend = function (e) {
  1064. checkboxTag.disabled = false;
  1065. if (tagId == 0) {
  1066. loadDynamicTags(checkboxTag.closest('div.dropdown'));
  1067. }
  1068. };
  1069. req.setRequestHeader('Content-Type', 'application/json');
  1070. req.send(JSON.stringify({
  1071. _csrf: context.csrf,
  1072. id_tag: tagId,
  1073. name_tag: tagId == 0 ? tagName : '',
  1074. id_entry: entryId,
  1075. checked: isChecked,
  1076. }));
  1077. }
  1078. };
  1079. }
  1080. function init_nav_entries() {
  1081. const nav_entries = document.getElementById('nav_entries');
  1082. if (nav_entries) {
  1083. nav_entries.querySelector('.previous_entry').onclick = function (e) {
  1084. prev_entry(false);
  1085. return false;
  1086. };
  1087. nav_entries.querySelector('.next_entry').onclick = function (e) {
  1088. next_entry(false);
  1089. return false;
  1090. };
  1091. nav_entries.querySelector('.up').onclick = function (e) {
  1092. const active_item = (document.querySelector('.flux.current') || document.querySelector('.flux'));
  1093. const windowTop = document.scrollingElement.scrollTop;
  1094. const item_top = active_item.offsetParent.offsetTop + active_item.offsetTop;
  1095. document.scrollingElement.scrollTop = windowTop > item_top ? item_top : 0;
  1096. return false;
  1097. };
  1098. }
  1099. }
  1100. function loadDynamicTags(div) {
  1101. div.classList.remove('dynamictags');
  1102. div.querySelectorAll('li.item').forEach(function (li) { li.remove(); });
  1103. const entryId = div.closest('div.flux').id.replace(/^flux_/, '');
  1104. const req = new XMLHttpRequest();
  1105. req.open('GET', './?c=tag&a=getTagsForEntry&id_entry=' + entryId, true);
  1106. req.responseType = 'json';
  1107. req.onerror = function (e) {
  1108. div.querySelectorAll('li.item').forEach(function (li) { li.remove(); });
  1109. div.classList.add('dynamictags');
  1110. };
  1111. req.onload = function (e) {
  1112. if (this.status != 200) {
  1113. return req.onerror(e);
  1114. }
  1115. const json = xmlHttpRequestJson(this);
  1116. if (!json) {
  1117. return req.onerror(e);
  1118. }
  1119. let html = '<li class="item"><label><input class="checkboxTag" name="t_0" type="checkbox" /> <input type="text" name="newTag" /></label></li>';
  1120. if (json && json.length) {
  1121. for (let i = 0; i < json.length; i++) {
  1122. const tag = json[i];
  1123. html += '<li class="item"><label><input class="checkboxTag" name="t_' + tag.id + '" type="checkbox"' +
  1124. (tag.checked ? ' checked="checked"' : '') + '> ' + tag.name + '</label></li>';
  1125. }
  1126. }
  1127. div.querySelector('.dropdown-menu').insertAdjacentHTML('beforeend', html);
  1128. };
  1129. req.send();
  1130. }
  1131. // <actualize>
  1132. let feed_processed = 0;
  1133. function updateFeed(feeds, feeds_count) {
  1134. const feed = feeds.pop();
  1135. if (!feed) {
  1136. return;
  1137. }
  1138. const req = new XMLHttpRequest();
  1139. req.open('POST', feed.url, true);
  1140. req.onloadend = function (e) {
  1141. if (this.status != 200) {
  1142. return badAjax(false);
  1143. }
  1144. feed_processed++;
  1145. const div = document.getElementById('actualizeProgress');
  1146. div.querySelector('.progress').innerHTML = feed_processed + ' / ' + feeds_count;
  1147. div.querySelector('.title').innerHTML = feed.title;
  1148. if (feed_processed === feeds_count) {
  1149. // Empty request to commit new articles
  1150. const req2 = new XMLHttpRequest();
  1151. req2.open('POST', './?c=feed&a=actualize&id=-1&ajax=1', true);
  1152. req2.onloadend = function (e) {
  1153. delayedFunction(function () { location.reload(); });
  1154. };
  1155. req2.setRequestHeader('Content-Type', 'application/json');
  1156. req2.send(JSON.stringify({
  1157. _csrf: context.csrf,
  1158. noCommit: 0,
  1159. }));
  1160. } else {
  1161. updateFeed(feeds, feeds_count);
  1162. }
  1163. };
  1164. req.setRequestHeader('Content-Type', 'application/json');
  1165. req.send(JSON.stringify({
  1166. _csrf: context.csrf,
  1167. noCommit: 1,
  1168. }));
  1169. }
  1170. function init_actualize() {
  1171. let auto = false;
  1172. const actualize = document.getElementById('actualize');
  1173. if (!actualize) {
  1174. return;
  1175. }
  1176. actualize.onclick = function () {
  1177. if (context.ajax_loading) {
  1178. return false;
  1179. }
  1180. context.ajax_loading = true;
  1181. const req = new XMLHttpRequest();
  1182. req.open('POST', './?c=javascript&a=actualize', true);
  1183. req.responseType = 'json';
  1184. req.onload = function (e) {
  1185. if (this.status != 200) {
  1186. return badAjax(false);
  1187. }
  1188. const json = xmlHttpRequestJson(this);
  1189. if (!json) {
  1190. return badAjax(false);
  1191. }
  1192. if (auto && json.feeds.length < 1) {
  1193. auto = false;
  1194. context.ajax_loading = false;
  1195. return false;
  1196. }
  1197. if (json.feeds.length === 0) {
  1198. openNotification(json.feedback_no_refresh, 'good');
  1199. // Empty request to commit new articles
  1200. const req2 = new XMLHttpRequest();
  1201. req2.open('POST', './?c=feed&a=actualize&id=-1&ajax=1', true);
  1202. req2.onloadend = function (e) {
  1203. context.ajax_loading = false;
  1204. };
  1205. req2.setRequestHeader('Content-Type', 'application/json');
  1206. req2.send(JSON.stringify({
  1207. _csrf: context.csrf,
  1208. noCommit: 0,
  1209. }));
  1210. return;
  1211. }
  1212. // Progress bar
  1213. const feeds_count = json.feeds.length;
  1214. document.body.insertAdjacentHTML('beforeend', '<div id="actualizeProgress" class="notification good">' +
  1215. json.feedback_actualize + '<br /><span class="title">/</span><br /><span class="progress">0 / ' +
  1216. feeds_count + '</span></div>');
  1217. for (let i = 10; i > 0; i--) {
  1218. updateFeed(json.feeds, feeds_count);
  1219. }
  1220. };
  1221. req.setRequestHeader('Content-Type', 'application/json');
  1222. req.send(JSON.stringify({
  1223. _csrf: context.csrf,
  1224. }));
  1225. return false;
  1226. };
  1227. if (context.auto_actualize_feeds) {
  1228. auto = true;
  1229. actualize.click();
  1230. }
  1231. }
  1232. // </actualize>
  1233. // <notification>
  1234. let notification = null;
  1235. let notification_interval = null;
  1236. let notification_working = false;
  1237. function openNotification(msg, status) {
  1238. if (notification_working === true) {
  1239. return false;
  1240. }
  1241. notification_working = true;
  1242. notification.querySelector('.msg').innerHTML = msg;
  1243. notification.className = 'notification';
  1244. notification.classList.add(status);
  1245. if (status == 'good') {
  1246. notification_interval = setTimeout(closeNotification, 4000);
  1247. } else {
  1248. // no status or f.e. status = 'bad', give some more time to read
  1249. notification_interval = setTimeout(closeNotification, 8000);
  1250. }
  1251. }
  1252. function closeNotification() {
  1253. notification.classList.add('closed');
  1254. clearInterval(notification_interval);
  1255. notification_working = false;
  1256. }
  1257. function init_notifications() {
  1258. notification = document.getElementById('notification');
  1259. notification.querySelector('a.close').addEventListener('click', function (ev) {
  1260. closeNotification();
  1261. ev.preventDefault();
  1262. return false;
  1263. });
  1264. notification.addEventListener('mouseenter', function () {
  1265. clearInterval(notification_interval);
  1266. });
  1267. notification.addEventListener('mouseleave', function () {
  1268. notification_interval = setTimeout(closeNotification, 3000);
  1269. });
  1270. if (notification.querySelector('.msg').innerHTML.length > 0) {
  1271. notification_working = true;
  1272. if (notification.classList.contains('good')) {
  1273. notification_interval = setTimeout(closeNotification, 4000);
  1274. } else {
  1275. // no status or f.e. status = 'bad', give some more time to read
  1276. notification_interval = setTimeout(closeNotification, 8000);
  1277. }
  1278. }
  1279. }
  1280. // </notification>
  1281. // <slider>
  1282. function init_slider_observers() {
  1283. const slider = document.getElementById('slider');
  1284. const closer = document.getElementById('close-slider');
  1285. if (!slider) {
  1286. return;
  1287. }
  1288. window.onclick = open_slider_listener;
  1289. closer.addEventListener('click', function (ev) {
  1290. if (slider_data_leave_validation() || confirm(context.i18n.confirmation_default)) {
  1291. slider.querySelectorAll('form').forEach(function (f) { f.reset(); });
  1292. closer.classList.remove('active');
  1293. slider.classList.remove('active');
  1294. return true;
  1295. } else {
  1296. return false;
  1297. }
  1298. });
  1299. }
  1300. function open_slider_listener(ev) {
  1301. const a = ev.target.closest('.open-slider');
  1302. if (a) {
  1303. if (!context.ajax_loading) {
  1304. location.href = '#'; // close menu/dropdown
  1305. context.ajax_loading = true;
  1306. const req = new XMLHttpRequest();
  1307. req.open('GET', a.href + '&ajax=1', true);
  1308. req.responseType = 'document';
  1309. req.onload = function (e) {
  1310. const slider = document.getElementById('slider');
  1311. const closer = document.getElementById('close-slider');
  1312. slider.innerHTML = this.response.body.innerHTML;
  1313. slider.classList.add('active');
  1314. closer.classList.add('active');
  1315. context.ajax_loading = false;
  1316. };
  1317. req.send();
  1318. return false;
  1319. }
  1320. }
  1321. }
  1322. function slider_data_leave_validation() {
  1323. const ds = document.querySelectorAll('[data-leave-validation]');
  1324. for (let i = ds.length - 1; i >= 0; i--) {
  1325. const input = ds[i];
  1326. if (input.type === 'checkbox' || input.type === 'radio') {
  1327. if (input.checked != input.getAttribute('data-leave-validation')) {
  1328. return false;
  1329. }
  1330. } else if (input.value != input.getAttribute('data-leave-validation')) {
  1331. return false;
  1332. }
  1333. }
  1334. return true;
  1335. }
  1336. // </slider>
  1337. // <popup>
  1338. let popup = null;
  1339. let popup_iframe_container = null;
  1340. let popup_iframe = null;
  1341. let popup_txt = null;
  1342. let popup_working = false;
  1343. /* eslint-disable no-unused-vars */
  1344. // TODO: Re-enable no-unused-vars
  1345. function openPopupWithMessage(msg) {
  1346. if (popup_working === true) {
  1347. return false;
  1348. }
  1349. popup_working = true;
  1350. popup_txt.innerHTML = msg;
  1351. popup_txt.style.display = 'table-row';
  1352. popup.style.display = 'block';
  1353. }
  1354. function openPopupWithSource(source) {
  1355. if (popup_working === true) {
  1356. return false;
  1357. }
  1358. popup_working = true;
  1359. popup_iframe.src = source;
  1360. popup_iframe_container.style.display = 'table-row';
  1361. popup.style.display = 'block';
  1362. }
  1363. /* eslint-enable no-unused-vars */
  1364. function closePopup() {
  1365. popup.style.display = 'none';
  1366. popup_iframe_container.style.display = 'none';
  1367. popup_txt.style.display = 'none';
  1368. popup_iframe.src = 'about:blank';
  1369. popup_working = false;
  1370. }
  1371. function init_popup() {
  1372. // Fetch elements.
  1373. popup = document.getElementById('popup');
  1374. if (popup) {
  1375. popup_iframe_container = document.getElementById('popup-iframe-container');
  1376. popup_iframe = document.getElementById('popup-iframe');
  1377. popup_txt = document.getElementById('popup-txt');
  1378. // Configure close button.
  1379. document.getElementById('popup-close').addEventListener('click', function (ev) {
  1380. closePopup();
  1381. });
  1382. // Configure close-on-click.
  1383. window.addEventListener('click', function (ev) {
  1384. if (ev.target == popup) {
  1385. closePopup();
  1386. }
  1387. });
  1388. }
  1389. }
  1390. // </popup>
  1391. // <notifs html5>
  1392. let notifs_html5_permission = 'denied';
  1393. function notifs_html5_is_supported() {
  1394. return window.Notification !== undefined;
  1395. }
  1396. function notifs_html5_ask_permission() {
  1397. window.Notification.requestPermission(function () {
  1398. notifs_html5_permission = window.Notification.permission;
  1399. });
  1400. }
  1401. function notifs_html5_show(nb, nb_new) {
  1402. if (notifs_html5_permission !== 'granted') {
  1403. return;
  1404. }
  1405. const notification = new window.Notification(context.i18n.notif_title_articles, {
  1406. icon: '../themes/icons/favicon-256-padding.png',
  1407. body: context.i18n.notif_body_new_articles.replace('%d', nb_new) + ' ' + context.i18n.notif_body_unread_articles.replace('%d', nb),
  1408. tag: 'freshRssNewArticles',
  1409. });
  1410. notification.onclick = function () {
  1411. delayedFunction(function () {
  1412. location.reload();
  1413. window.focus();
  1414. notification.close();
  1415. });
  1416. };
  1417. if (context.html5_notif_timeout !== 0) {
  1418. setTimeout(function () {
  1419. notification.close();
  1420. }, context.html5_notif_timeout * 1000);
  1421. }
  1422. }
  1423. function init_notifs_html5() {
  1424. if (!notifs_html5_is_supported()) {
  1425. return;
  1426. }
  1427. notifs_html5_permission = notifs_html5_ask_permission();
  1428. }
  1429. // </notifs html5>
  1430. function refreshUnreads() {
  1431. const req = new XMLHttpRequest();
  1432. req.open('GET', './?c=javascript&a=nbUnreadsPerFeed', true);
  1433. req.responseType = 'json';
  1434. req.onload = function (e) {
  1435. const json = xmlHttpRequestJson(this);
  1436. if (!json) {
  1437. return badAjax(false);
  1438. }
  1439. const isAll = document.querySelector('.category.all.active');
  1440. let new_articles = false;
  1441. let nbUnreadFeeds = 0;
  1442. const title = document.querySelector('.category.all .title');
  1443. const nb_unreads_before = title ? str2int(title.getAttribute('data-unread')) : 0;
  1444. Object.keys(json.feeds).forEach(function (feed_id) {
  1445. const nbUnreads = json.feeds[feed_id];
  1446. nbUnreadFeeds += nbUnreads;
  1447. feed_id = 'f_' + feed_id;
  1448. const elem = document.getElementById(feed_id);
  1449. const feed_unreads = elem ? str2int(elem.getAttribute('data-unread')) : 0;
  1450. if ((incUnreadsFeed(null, feed_id, nbUnreads - feed_unreads) || isAll) && // Update of current view?
  1451. (nbUnreads - feed_unreads > 0)) {
  1452. const newArticle = document.getElementById('new-article');
  1453. newArticle.setAttribute('aria-hidden', 'false');
  1454. newArticle.style.display = 'block';
  1455. new_articles = true;
  1456. }
  1457. });
  1458. const noArticlesToShow_div = document.getElementById('noArticlesToShow');
  1459. if (nbUnreadFeeds > 0 && noArticlesToShow_div) {
  1460. noArticlesToShow_div.classList.add('hide');
  1461. }
  1462. let nbUnreadTags = 0;
  1463. Object.keys(json.tags).forEach(function (tag_id) {
  1464. const nbUnreads = json.tags[tag_id];
  1465. nbUnreadTags += nbUnreads;
  1466. const tag = document.getElementById('t_' + tag_id);
  1467. if (tag) {
  1468. tag.setAttribute('data-unread', nbUnreads);
  1469. tag.querySelector('.item-title').setAttribute('data-unread', numberFormat(nbUnreads));
  1470. }
  1471. });
  1472. const tags = document.querySelector('.category.tags');
  1473. if (tags) {
  1474. tags.setAttribute('data-unread', nbUnreadTags);
  1475. tags.querySelector('.title').setAttribute('data-unread', numberFormat(nbUnreadTags));
  1476. }
  1477. const nb_unreads = title ? str2int(title.getAttribute('data-unread')) : 0;
  1478. if (nb_unreads > 0 && new_articles) {
  1479. faviconNbUnread(nb_unreads);
  1480. const nb_new = nb_unreads - nb_unreads_before;
  1481. notifs_html5_show(nb_unreads, nb_new);
  1482. }
  1483. };
  1484. req.send();
  1485. }
  1486. // <endless_mode>
  1487. let url_load_more = '';
  1488. let load_more = false;
  1489. let box_load_more = null;
  1490. function load_more_posts() {
  1491. if (load_more || !url_load_more || !box_load_more) {
  1492. return;
  1493. }
  1494. load_more = true;
  1495. document.getElementById('load_more').classList.add('loading');
  1496. const req = new XMLHttpRequest();
  1497. req.open('GET', url_load_more, true);
  1498. req.responseType = 'document';
  1499. req.onload = function (e) {
  1500. const html = this.response;
  1501. const streamFooter = document.getElementById('stream-footer');
  1502. const streamAdopted = document.adoptNode(html.getElementById('stream'));
  1503. streamAdopted.querySelectorAll('.flux, .day').forEach(function (div) {
  1504. box_load_more.insertBefore(div, streamFooter);
  1505. });
  1506. const streamFooterOld = streamFooter.querySelector('.stream-footer-inner');
  1507. const streamFooterNew = streamAdopted.querySelector('.stream-footer-inner');
  1508. streamFooter.replaceChild(streamFooterNew, streamFooterOld);
  1509. const bigMarkAsRead = document.getElementById('bigMarkAsRead');
  1510. const readAll = document.querySelector('#nav_menu_read_all .read_all');
  1511. if (readAll && bigMarkAsRead && bigMarkAsRead.formAction) {
  1512. if (context.display_order === 'ASC') {
  1513. readAll.formAction = bigMarkAsRead.formAction;
  1514. } else {
  1515. bigMarkAsRead.formAction = readAll.formAction;
  1516. }
  1517. }
  1518. document.querySelectorAll('[id^=day_]').forEach(function (div) {
  1519. const ids = document.querySelectorAll('[id="' + div.id + '"]');
  1520. for (let i = ids.length - 1; i > 0; i--) { // Keep only the first
  1521. ids[i].remove();
  1522. }
  1523. });
  1524. init_load_more(box_load_more);
  1525. const div_load_more = document.getElementById('load_more');
  1526. if (bigMarkAsRead) {
  1527. bigMarkAsRead.removeAttribute('disabled');
  1528. }
  1529. if (div_load_more) {
  1530. div_load_more.classList.remove('loading');
  1531. }
  1532. load_more = false;
  1533. };
  1534. req.send();
  1535. }
  1536. const freshrssLoadMoreEvent = document.createEvent('Event');
  1537. freshrssLoadMoreEvent.initEvent('freshrss:load-more', true, true);
  1538. function init_load_more(box) {
  1539. box_load_more = box;
  1540. document.body.dispatchEvent(freshrssLoadMoreEvent);
  1541. const next_button = document.getElementById('load_more');
  1542. if (!next_button) {
  1543. // no more article to load
  1544. url_load_more = '';
  1545. return;
  1546. }
  1547. url_load_more = next_button.getAttribute('formaction');
  1548. next_button.onclick = function (e) {
  1549. load_more_posts();
  1550. return false;
  1551. };
  1552. }
  1553. // </endless_mode>
  1554. function init_confirm_action() {
  1555. document.body.onclick = function (ev) {
  1556. const b = ev.target.closest('.confirm');
  1557. if (b) {
  1558. let str_confirmation = this.getAttribute('data-str-confirm');
  1559. if (!str_confirmation) {
  1560. str_confirmation = context.i18n.confirmation_default;
  1561. }
  1562. return confirm(str_confirmation);
  1563. }
  1564. };
  1565. document.querySelectorAll('button.confirm').forEach(function (b) { b.disabled = false; });
  1566. }
  1567. function faviconNbUnread(n) {
  1568. if (typeof n === 'undefined') {
  1569. const t = document.querySelector('.category.all .title');
  1570. n = t ? str2int(t.getAttribute('data-unread')) : 0;
  1571. }
  1572. // http://remysharp.com/2010/08/24/dynamic-favicons/
  1573. const canvas = document.createElement('canvas');
  1574. const link = document.getElementById('favicon').cloneNode(true);
  1575. const ratio = window.devicePixelRatio;
  1576. if (canvas.getContext && link) {
  1577. canvas.height = canvas.width = 16 * ratio;
  1578. const img = document.createElement('img');
  1579. img.onload = function () {
  1580. const ctx = canvas.getContext('2d');
  1581. ctx.drawImage(this, 0, 0, canvas.width, canvas.height);
  1582. if (n > 0) {
  1583. let text = '';
  1584. if (n < 1000) {
  1585. text = n;
  1586. } else if (n < 100000) {
  1587. text = Math.floor(n / 1000) + 'k';
  1588. } else {
  1589. text = 'E' + Math.floor(Math.log10(n));
  1590. }
  1591. ctx.font = 'bold ' + 9 * ratio + 'px "Arial", sans-serif';
  1592. ctx.fillStyle = 'rgba(255, 255, 255, 0.8)';
  1593. ctx.fillRect(0, 7 * ratio, ctx.measureText(text).width, 9 * ratio);
  1594. ctx.fillStyle = '#F00';
  1595. ctx.fillText(text, 0, canvas.height - 1);
  1596. }
  1597. link.href = canvas.toDataURL('image/png');
  1598. // Check if data URI has generated a real favicon and if not, fallback to standard icon
  1599. if (link.href.length > 180) {
  1600. document.querySelector('link[rel~=icon]').remove();
  1601. document.head.appendChild(link);
  1602. }
  1603. };
  1604. img.src = '../favicon.ico';
  1605. }
  1606. }
  1607. function removeFirstLoadSpinner() {
  1608. const first_load = document.getElementById('first_load');
  1609. if (first_load) {
  1610. first_load.remove();
  1611. }
  1612. }
  1613. function init_normal() {
  1614. const stream = document.getElementById('stream');
  1615. if (!stream) {
  1616. if (window.console) {
  1617. console.log('FreshRSS waiting for content…');
  1618. }
  1619. setTimeout(init_normal, 100);
  1620. return;
  1621. }
  1622. init_column_categories();
  1623. init_stream(stream);
  1624. init_shortcuts();
  1625. init_actualize();
  1626. faviconNbUnread();
  1627. window.onbeforeunload = function (e) {
  1628. const sidebar = document.getElementById('sidebar');
  1629. if (sidebar) { // Save sidebar scroll position
  1630. sessionStorage.setItem('FreshRSS_sidebar_scrollTop', sidebar.scrollTop);
  1631. }
  1632. if (mark_read_queue && mark_read_queue.length > 0) {
  1633. return false;
  1634. }
  1635. };
  1636. }
  1637. function init_beforeDOM() {
  1638. document.scrollingElement.scrollTop = 0;
  1639. if (['normal', 'reader', 'global'].indexOf(context.current_view) >= 0) {
  1640. init_normal();
  1641. }
  1642. }
  1643. function init_afterDOM() {
  1644. removeFirstLoadSpinner();
  1645. init_notifications();
  1646. init_slider_observers();
  1647. init_popup();
  1648. init_confirm_action();
  1649. const stream = document.getElementById('stream');
  1650. if (stream) {
  1651. init_load_more(stream);
  1652. init_posts();
  1653. init_nav_entries();
  1654. init_notifs_html5();
  1655. setTimeout(faviconNbUnread, 1000);
  1656. setInterval(refreshUnreads, 120000);
  1657. }
  1658. if (window.console) {
  1659. console.log('FreshRSS main init done.');
  1660. }
  1661. }
  1662. init_beforeDOM(); // Can be called before DOM is fully loaded
  1663. if (document.readyState && document.readyState !== 'loading') {
  1664. init_afterDOM();
  1665. } else {
  1666. if (window.console) {
  1667. console.log('FreshRSS waiting for DOMContentLoaded…');
  1668. }
  1669. document.addEventListener('DOMContentLoaded', init_afterDOM, false);
  1670. }
  1671. // @license-end