]> git.wh0rd.org - tt-rss.git/blob - digest.js
Merge branch 'master' into digest-experimental
[tt-rss.git] / digest.js
1 var last_feeds = [];
2 var init_params = {};
3
4 var db = false;
5 var store = false;
6
7 var _active_feed_id = false;
8 var _active_feed_offset = false;
9 var _update_timeout = false;
10 var _view_update_timeout = false;
11 var _feedlist_expanded = false;
12 var _update_seq = 1;
13
14 function article_appear(article_id) {
15 try {
16 new Effect.Appear('A-' + article_id);
17 } catch (e) {
18 exception_error("article_appear", e);
19 }
20 }
21
22 function catchup_feed(feed_id, callback) {
23 try {
24
25 var fn = find_feed(last_feeds, feed_id).title;
26
27 if (confirm(__("Mark all articles in %s as read?").replace("%s", fn))) {
28
29 var is_cat = "";
30
31 if (feed_id < 0) is_cat = "true"; // KLUDGE
32
33 var query = "?op=rpc&subop=catchupFeed&feed_id=" +
34 feed_id + "&is_cat=" + is_cat;
35
36 new Ajax.Request("backend.php", {
37 parameters: query,
38 onComplete: function(transport) {
39 if (callback) callback(transport);
40
41 update();
42 } });
43 }
44
45 } catch (e) {
46 exception_error("catchup_article", e);
47 }
48 }
49
50 function catchup_visible_articles(callback) {
51 try {
52
53 var elems = $("headlines-content").getElementsByTagName("LI");
54 var ids = [];
55
56 for (var i = 0; i < elems.length; i++) {
57 if (elems[i].id && elems[i].id.match("A-")) {
58 ids.push(elems[i].id.replace("A-", ""));
59 }
60 }
61
62 if (confirm(__("Mark %d displayed articles as read?").replace("%d", ids.length))) {
63
64 var query = "?op=rpc&subop=catchupSelected" +
65 "&cmode=0&ids=" + param_escape(ids);
66
67 new Ajax.Request("backend.php", {
68 parameters: query,
69 onComplete: function(transport) {
70 if (callback) callback(transport);
71
72 viewfeed(_active_feed_id, 0);
73 } });
74
75 }
76
77 } catch (e) {
78 exception_error("catchup_visible_articles", e);
79 }
80 }
81
82 function catchup_article(article_id, callback) {
83 try {
84 var query = "?op=rpc&subop=catchupSelected" +
85 "&cmode=0&ids=" + article_id;
86
87 new Ajax.Request("backend.php", {
88 parameters: query,
89 onComplete: function(transport) {
90 if (callback) callback(transport);
91 } });
92
93 } catch (e) {
94 exception_error("catchup_article", e);
95 }
96 }
97
98 function set_selected_feed(feed_id) {
99 try {
100 var feeds = $("feeds-content").getElementsByTagName("LI");
101
102 for (var i = 0; i < feeds.length; i++) {
103 if (feeds[i].id == "F-" + feed_id)
104 feeds[i].className = "selected";
105 else
106 feeds[i].className = "";
107 }
108
109 _active_feed_id = feed_id;
110
111 } catch (e) {
112 exception_error("mark_selected_feed", e);
113 }
114 }
115
116 function zoom(elem, article_id) {
117 try {
118 //alert(elem + "/" + article_id);
119
120 elem.innerHTML = "<img src='images/indicator_tiny.gif'> " +
121 __("Loading, please wait...");
122
123 new Ajax.Request("backend.php", {
124 parameters: "?op=rpc&subop=digest-get-contents&article_id=" +
125 article_id,
126 onComplete: function(transport) {
127 fatal_error_check(transport);
128
129 if (transport.responseXML) {
130 var article = transport.responseXML.getElementsByTagName('article')[0];
131 elem.innerHTML = article.firstChild.nodeValue;
132
133 new Effect.BlindDown(elem, {duration : 0.5});
134
135 elem.onclick = false;
136 elem.style.cursor = "auto";
137
138 catchup_article(article_id,
139 function() {
140 window.clearTimeout(_view_update_timeout);
141 _view_update_timeout = window.setTimeout("view_update()", 500);
142 $("A-" + article_id).className = "read";
143 });
144
145
146 } else {
147 elem.innerHTML = __("Error: unable to load article.");
148 }
149
150 } });
151
152
153 } catch (e) {
154 exception_error("zoom", e);
155 }
156 }
157
158 function load_more() {
159 try {
160 var pr = $("H-LOADING-IMG");
161
162 if (pr) Element.show(pr);
163
164 viewfeed(_active_feed_id, _active_feed_offset + 10, false, false, true,
165 function() {
166 var pr = $("H-LOADING-IMG");
167
168 if (pr) Element.hide(pr);
169 });
170 } catch (e) {
171 exception_error("load_more", e);
172 }
173 }
174
175 function update(callback) {
176 try {
177 console.log('updating feeds...');
178
179 window.clearTimeout(_update_timeout);
180
181 new Ajax.Request("backend.php", {
182 parameters: "?op=rpc&subop=digest-init",
183 onComplete: function(transport) {
184 fatal_error_check(transport);
185 parse_feeds(transport);
186 set_selected_feed(_active_feed_id);
187
188 if (callback) callback(transport);
189 } });
190
191 _update_timeout = window.setTimeout('update()', 5*1000);
192 } catch (e) {
193 exception_error("update", e);
194 }
195 }
196
197 function remove_headline_entry(article_id) {
198 try {
199 var elem = $('A-' + article_id);
200
201 if (elem) {
202 elem.parentNode.removeChild(elem);
203 }
204
205 } catch (e) {
206 exception_error("remove_headline_entry", e);
207 }
208 }
209
210 function view_update() {
211 try {
212 viewfeed(_active_feed_id, _active_feed_offset, false, true, true);
213 update();
214 } catch (e) {
215 exception_error("view_update", e);
216 }
217 }
218
219 function view(article_id, dismiss_only) {
220 try {
221 remove_headline_entry(article_id);
222
223 catchup_article(article_id,
224 function() {
225 window.clearTimeout(_view_update_timeout);
226 _view_update_timeout = window.setTimeout("view_update()", 500);
227 });
228
229 return dismiss_only != true;
230 } catch (e) {
231 exception_error("view", e);
232 }
233 }
234
235 function viewfeed(feed_id, offset, replace, no_effects, no_indicator, callback) {
236 try {
237
238 if (!feed_id) feed_id = _active_feed_id;
239
240 if (!offset) {
241 offset = 0;
242 } else {
243 offset = _active_feed_offset + offset;
244 }
245
246 if (replace == undefined) replace = (offset == 0);
247
248 _update_seq = _update_seq + 1;
249
250 var query = "backend.php?op=rpc&subop=digest-update&feed_id=" +
251 param_escape(feed_id) + "&offset=" + offset +
252 "&seq=" + _update_seq;
253
254 console.log(query);
255
256 var img = $("F-" + feed_id).getElementsByTagName("IMG")[0];
257
258 if (img && !no_indicator) {
259 img.setAttribute("orig_src", img.src);
260 img.src = 'images/indicator_tiny.gif';
261 }
262
263 new Ajax.Request("backend.php", {
264 parameters: query,
265 onComplete: function(transport) {
266 Element.hide("overlay");
267
268 fatal_error_check(transport);
269 parse_headlines(transport, replace, no_effects);
270 set_selected_feed(feed_id);
271 _active_feed_offset = offset;
272
273 if (img && !no_indicator)
274 img.src = img.getAttribute("orig_src");
275
276 if (callback) callback(transport);
277
278 } });
279
280 } catch (e) {
281 exception_error("view", e);
282 }
283 }
284
285 function find_article(articles, article_id) {
286 try {
287 for (var i = 0; i < articles.length; i++) {
288 if (articles[i].id == article_id)
289 return articles[i];
290 }
291
292 return false;
293
294 } catch (e) {
295 exception_error("find_article", e);
296 }
297 }
298
299 function find_feed(feeds, feed_id) {
300 try {
301 for (var i = 0; i < feeds.length; i++) {
302 if (feeds[i].id == feed_id)
303 return feeds[i];
304 }
305
306 return false;
307
308 } catch (e) {
309 exception_error("find_feed", e);
310 }
311 }
312
313 function get_feed_icon(feed) {
314 try {
315 if (feed.has_icon)
316 return getInitParam('icons_location') + "/" + feed.id + '.ico';
317
318 if (feed.id == -1)
319 return 'images/mark_set.png';
320
321 if (feed.id == -2)
322 return 'images/pub_set.png';
323
324 if (feed.id == -3)
325 return 'images/fresh.png';
326
327 if (feed.id == -4)
328 return 'images/tag.png';
329
330 if (feed.id < -10)
331 return 'images/label.png';
332
333 return 'images/blank_icon.gif';
334
335 } catch (e) {
336 exception_error("get_feed_icon", e);
337 }
338 }
339
340 function add_feed_entry(feed) {
341 try {
342 var icon_part = "";
343
344 icon_part = "<img src='" + get_feed_icon(feed) + "'/>";
345
346 var tmp_html = "<li id=\"F-"+feed.id+"\" " +
347 "onmouseover=\"feed_mi(this)\" onmouseout=\"feed_mo(this)\">" +
348 icon_part +
349 "<a href=\"#\" onclick=\"viewfeed("+feed.id+")\">" + feed.title + "</a>" +
350 "<div class='unread-ctr'>" +
351 "<img onclick=\"catchup_feed("+feed.id+")\" title=\"" +
352 __("Mark as read") +
353 "\" class=\"dismiss\" style='display : none' src=\"images/digest_checkbox.png\">" +
354 "<span class=\"unread\">" + feed.unread + "</span>" +
355 "</div>" +
356 "</li>";
357
358 $("feeds-content").innerHTML += tmp_html;
359
360 } catch (e) {
361 exception_error("add_feed_entry", e);
362 }
363 }
364
365 function add_headline_entry(article, feed, no_effects) {
366 try {
367
368 var icon_part = "";
369
370 icon_part = "<img class='icon' src='" + get_feed_icon(feed) + "'/>";
371
372 var mark_part = "";
373 var publ_part = "";
374
375 var tags_part = "";
376
377 if (article.tags.length > 0) {
378
379 tags_part = " " + __("in") + " ";
380
381 for (var i = 0; i < Math.min(5, article.tags.length); i++) {
382 tags_part += "<a href=\"#\" onclick=\"viewfeed('" +
383 article.tags[i] + "')\">" +
384 article.tags[i] + "</a>, ";
385 }
386
387 tags_part = tags_part.replace(/, $/, "");
388 tags_part = "<span class=\"tags\">" + tags_part + "</span>";
389 }
390
391 if (article.marked)
392 mark_part = "<img title='"+ __("Unstar article")+"' onclick=\"toggle_mark(this, "+article.id+")\" src='images/mark_set.png'>";
393 else
394 mark_part = "<img title='"+__("Star article")+"' onclick=\"toggle_mark(this, "+article.id+")\" src='images/mark_unset.png'>";
395
396 if (article.published)
397 publ_part = "<img title='"+__("Unpublish article")+"' onclick=\"toggle_pub(this, "+article.id+")\" src='images/pub_set.png'>";
398 else
399 publ_part = "<img title='"+__("Publish article")+"' onclick=\"toggle_pub(this, "+article.id+")\" src='images/pub_unset.png'>";
400
401 var style = "";
402
403 if (!no_effects) style = "style=\"display : none\"";
404
405 if (article.excerpt.trim() == "")
406 article.excerpt = __("Click to expand article.");
407
408 var tmp_html = "<li id=\"A-"+article.id+"\" "+style+" class=\"unread\">" +
409 icon_part +
410
411 "<div class='digest-check'>" +
412 mark_part +
413 publ_part +
414 "<img title='" + __("Mark as read") + "' onclick=\"view("+article.id+", true)\" src='images/digest_checkbox.png'>" +
415 "</div>" +
416 "<a target=\"_blank\" href=\""+article.link+"\""+
417 "onclick=\"return view("+article.id+")\" class='title'>" +
418 article.title + "</a>" +
419 "<div class='body'>" +
420 "<div title=\""+__("Click to expand article")+"\" onclick=\"zoom(this, "+article.id+")\" class='excerpt'>" +
421 article.excerpt + "</div>" +
422 "<div class='info'><a href=\#\" onclick=\"viewfeed("+feed.id+")\">" +
423 feed.title + "</a> " + tags_part + " @ " +
424 new Date(article.updated * 1000) + "</div>" +
425 "</div></li>";
426
427 $("headlines-content").innerHTML += tmp_html;
428
429 if (!no_effects)
430 window.setTimeout('article_appear(' + article.id + ')', 100);
431
432 } catch (e) {
433 exception_error("add_headline_entry", e);
434 }
435 }
436
437 function expand_feeds() {
438 try {
439 _feedlist_expanded = true;
440
441 redraw_feedlist(last_feeds);
442
443 } catch (e) {
444 exception_error("expand_feeds", e);
445 }
446 }
447
448 function redraw_feedlist(feeds) {
449 try {
450
451 $('feeds-content').innerHTML = "";
452
453 var limit = 10;
454
455 if (_feedlist_expanded) limit = feeds.length;
456
457 for (var i = 0; i < Math.min(limit, feeds.length); i++) {
458 add_feed_entry(feeds[i]);
459 }
460
461 if (feeds.length > limit) {
462 $('feeds-content').innerHTML += "<li id='F-MORE-PROMPT'>" +
463 "<img src='images/blank_icon.gif'>" +
464 "<a href=\"#\" onclick=\"expand_feeds()\">" +
465 __("%d more...").replace("%d", feeds.length-10) +
466 "</a>" + "</li>";
467 }
468
469 } catch (e) {
470 exception_error("redraw_feedlist", e);
471 }
472 }
473
474 function parse_feeds(transport) {
475 try {
476
477 if (!transport.responseXML) return;
478
479 var feeds = transport.responseXML.getElementsByTagName('feeds')[0];
480
481 if (feeds) {
482 feeds = eval("(" + feeds.firstChild.nodeValue + ")");
483
484 feeds.sort( function (a,b)
485 {
486 if (b.unread != a.unread)
487 return (b.unread - a.unread)
488 else
489 if (a.title > b.title)
490 return 1;
491 else if (a.title < b.title)
492 return -1;
493 else
494 return 0;
495 });
496
497 var all_articles = find_feed(feeds, -4);
498
499 update_title(all_articles.unread);
500
501 last_feeds = feeds;
502
503 redraw_feedlist(feeds);
504 }
505
506 } catch (e) {
507 exception_error("parse_feeds", e);
508 }
509 }
510
511 function parse_headlines(transport, replace, no_effects) {
512 try {
513 if (!transport.responseXML) return;
514
515 var seq = transport.responseXML.getElementsByTagName('seq')[0];
516
517 if (seq) {
518 seq = seq.firstChild.nodeValue;
519 if (seq != _update_seq) {
520 console.log("parse_headlines: wrong sequence received.");
521 return;
522 }
523 } else {
524 return;
525 }
526
527 var headlines = transport.responseXML.getElementsByTagName('headlines')[0];
528 var headlines_title = transport.responseXML.getElementsByTagName('headlines-title')[0];
529
530 if (headlines && headlines_title) {
531 headlines = eval("(" + headlines.firstChild.nodeValue + ")");
532
533 var title = headlines_title.firstChild.nodeValue;
534
535 $("headlines-title").innerHTML = title;
536
537 if (replace) {
538 $('headlines-content').innerHTML = '';
539 Element.hide('headlines-content');
540 }
541
542 var pr = $('H-MORE-PROMPT');
543
544 if (pr) pr.parentNode.removeChild(pr);
545
546 var inserted = false;
547
548 for (var i = 0; i < headlines.length; i++) {
549
550 if (!$('A-' + headlines[i].id)) {
551 add_headline_entry(headlines[i],
552 find_feed(last_feeds, headlines[i].feed_id), !no_effects);
553
554 inserted = $("A-" + headlines[i].id);
555 }
556 }
557
558 if (pr) {
559 $('headlines-content').appendChild(pr);
560 if (!no_effects) new Effect.ScrollTo(inserted);
561 } else {
562 $('headlines-content').innerHTML += "<li id='H-MORE-PROMPT'>" +
563 "<div class='body'>" +
564 "<a href=\"javascript:catchup_visible_articles()\">" +
565 __("Mark as read") + "</a> | " +
566 "<a href=\"javascript:load_more()\">" +
567 __("Load more...") + "</a>" +
568 "<img style=\"display : none\" "+
569 "id=\"H-LOADING-IMG\" src='images/indicator_tiny.gif'>" +
570 "</div></li>";
571 }
572
573 if (replace && !no_effects)
574 new Effect.Appear('headlines-content', {duration : 0.3});
575
576 //new Effect.Appear('headlines-content');
577 }
578
579 } catch (e) {
580 exception_error("parse_headlines", e);
581 }
582 }
583
584 function init_second_stage() {
585 try {
586 new Ajax.Request("backend.php", {
587 parameters: "backend.php?op=rpc&subop=digest-init",
588 onComplete: function(transport) {
589 parse_feeds(transport);
590 window.setTimeout('viewfeed(-4)', 100);
591 _update_timeout = window.setTimeout('update()', 5*1000);
592 } });
593
594 } catch (e) {
595 exception_error("init_second_stage", e);
596 }
597 }
598
599 function init() {
600 try {
601
602 new Ajax.Request("backend.php", {
603 parameters: "?op=rpc&subop=sanityCheck",
604 onComplete: function(transport) {
605 backend_sanity_check_callback(transport);
606 } });
607
608 } catch (e) {
609 exception_error("digest_init", e);
610 }
611 }
612
613 function toggle_mark(mark_img, id) {
614
615 try {
616
617 var query = "?op=rpc&id=" + id + "&subop=mark";
618
619 query = query + "&afid=" + _active_feed_id;
620 query = query + "&omode=c";
621
622 if (!mark_img) return;
623
624 if (mark_img.src.match("mark_unset")) {
625 mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
626 mark_img.alt = __("Unstar article");
627 query = query + "&mark=1";
628 } else {
629 mark_img.alt = __("Please wait...");
630 query = query + "&mark=0";
631
632 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
633 mark_img.alt = __("Star article");
634 }
635
636 new Ajax.Request("backend.php", {
637 parameters: query,
638 onComplete: function(transport) {
639 update();
640 } });
641
642 } catch (e) {
643 exception_error("toggle_mark", e);
644 }
645 }
646
647 function toggle_pub(mark_img, id, note) {
648
649 try {
650
651 var query = "?op=rpc&id=" + id + "&subop=publ";
652
653 query = query + "&afid=" + _active_feed_id;
654
655 if (note != undefined) {
656 query = query + "&note=" + param_escape(note);
657 } else {
658 query = query + "&note=undefined";
659 }
660
661 query = query + "&omode=c";
662
663 if (!mark_img) return;
664
665 if (mark_img.src.match("pub_unset") || note != undefined) {
666 mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
667 mark_img.alt = __("Unpublish article");
668 query = query + "&pub=1";
669
670 } else {
671 mark_img.alt = __("Please wait...");
672 query = query + "&pub=0";
673
674 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
675 mark_img.alt = __("Publish article");
676 }
677
678 new Ajax.Request("backend.php", {
679 parameters: query,
680 onComplete: function(transport) {
681 update();
682 } });
683
684 } catch (e) {
685 exception_error("toggle_pub", e);
686 }
687 }
688
689 function fatal_error(code, msg) {
690 try {
691
692 if (code == 6) {
693 window.location.href = "digest.php";
694 } else if (code == 5) {
695 window.location.href = "update.php";
696 } else {
697
698 if (msg == "") msg = "Unknown error";
699
700 console.error("Fatal error: " + code + "\n" +
701 msg);
702
703 }
704
705 } catch (e) {
706 exception_error("fatalError", e);
707 }
708 }
709
710 function fatal_error_check(transport) {
711 try {
712 if (transport.responseXML) {
713 var error = transport.responseXML.getElementsByTagName("error")[0];
714
715 if (error) {
716 var code = error.getAttribute("error-code");
717 var msg = error.getAttribute("error-msg");
718 if (code != 0) {
719 fatal_error(code, msg);
720 return false;
721 }
722 }
723 }
724 } catch (e) {
725 exception_error("fatal_error_check", e);
726 }
727 return true;
728 }
729
730 function feed_mi(elem) {
731 try {
732 var imgs = elem.getElementsByTagName('IMG');
733 var spans = elem.getElementsByTagName('SPAN');
734
735 for (var i = 0; i < imgs.length; i++) {
736 if (imgs[i].className == "dismiss")
737 Element.show(imgs[i]);
738 }
739
740 for (var i = 0; i < spans.length; i++) {
741 if (spans[i].className == "unread")
742 Element.hide(spans[i]);
743 }
744
745
746 } catch (e) {
747 exception_error("feed_mi", e);
748 }
749 }
750
751 function feed_mo(elem) {
752 try {
753 var imgs = elem.getElementsByTagName('IMG');
754 var spans = elem.getElementsByTagName('SPAN');
755
756 for (var i = 0; i < imgs.length; i++) {
757 if (imgs[i].className == "dismiss")
758 Element.hide(imgs[i]);
759 }
760
761 for (var i = 0; i < spans.length; i++) {
762 if (spans[i].className == "unread")
763 Element.show(spans[i]);
764 }
765
766 } catch (e) {
767 exception_error("feed_mo", e);
768 }
769 }
770
771 function update_title(unread) {
772 try {
773 document.title = "Tiny Tiny RSS";
774
775 if (unread > 0)
776 document.title += " (" + unread + ")";
777
778 } catch (e) {
779 exception_error("update_title", e);
780 }
781 }
782