1 var active_post_id
= false;
2 var _catchup_callback_func
= false;
3 var last_article_view
= false;
4 var active_real_feed_id
= false;
6 var _tag_active_post_id
= false;
7 var _tag_active_feed_id
= false;
8 var _tag_active_cdm
= false;
10 // FIXME: kludge, to restore scrollTop after tag editor terminates
11 var _tag_cdm_scroll
= false;
13 // FIXME: kludges, needs proper implementation
14 var _reload_feedlist_after_view
= false;
16 var _cdm_wd_timeout
= false;
17 var _cdm_wd_vishist
= new Array();
19 var article_cache
= new Array();
21 function catchup_callback() {
22 if (xmlhttp_rpc
.readyState
== 4) {
24 debug("catchup_callback");
25 if (_catchup_callback_func
) {
26 setTimeout(_catchup_callback_func
, 100);
29 all_counters_callback();
31 exception_error("catchup_callback", e
);
36 function headlines_callback() {
37 if (xmlhttp
.readyState
== 4) {
38 debug("headlines_callback");
39 var f
= document
.getElementById("headlines-frame");
43 f
.innerHTML
= xmlhttp
.responseText
;
44 update_all_counters();
45 if (typeof correctPNG
!= 'undefined') {
49 if (_cdm_wd_timeout
) window
.clearTimeout(_cdm_wd_timeout
);
51 if (!document
.getElementById("headlinesList") &&
52 getInitParam("cdm_auto_catchup") == 1) {
53 debug("starting CDM watchdog");
54 _cdm_wd_timeout
= window
.setTimeout("cdmWatchdog()", 5000);
55 _cdm_wd_vishist
= new Array();
57 debug("not in CDM mode or watchdog disabled");
60 if (_tag_cdm_scroll
) {
62 document
.getElementById("headlinesInnerContainer").scrollTop
= _tag_cdm_scroll
;
63 _tag_cdm_scroll
= false;
71 function render_article(article
) {
73 var f
= document
.getElementById("content-frame");
78 f
.innerHTML
= article
;
81 exception_error("render_article", e
);
85 function article_callback() {
86 if (xmlhttp
.readyState
== 4) {
87 debug("article_callback");
90 if (xmlhttp
.responseXML
) {
91 var reply
= xmlhttp
.responseXML
.firstChild
.firstChild
;
93 var articles
= xmlhttp
.responseXML
.getElementsByTagName("article");
95 for (var i
= 0; i
< articles
.length
; i
++) {
96 var a_id
= articles
[i
].getAttribute("id");
98 debug("found id: " + a_id
);
100 if (a_id
== active_post_id
) {
101 debug("active article, rendering...");
102 render_article(articles
[i
].firstChild
.nodeValue
);
105 cache_inject(a_id
, articles
[i
].firstChild
.nodeValue
);
109 debug("article_callback: returned no XML object");
112 exception_error("article_callback", e
);
115 var date
= new Date();
116 last_article_view
= date
.getTime() / 1000;
118 if (typeof correctPNG
!= 'undefined') {
122 if (_reload_feedlist_after_view
) {
123 setTimeout('updateFeedList(false, false)', 50);
124 _reload_feedlist_after_view
= false;
126 var counters
= xmlhttp
.responseXML
.getElementsByTagName("counters")[0];
129 debug("parsing piggybacked counters: " + counters
);
130 parse_counters(counters
, false);
132 update_all_counters();
140 function view(id
, feed_id
, skip_history
) {
143 debug("loading article: " + id
+ "/" + feed_id
);
145 active_real_feed_id
= feed_id
;
147 var cached_article
= cache_find(id
);
149 debug("cache check result: " + (cached_article
!= false));
151 /* if (!skip_history) {
152 history_push("ARTICLE:" + id + ":" + feed_id);
158 //setActiveFeedId(feed_id);
160 var query
= "backend.php?op=view&id=" + param_escape(id
) +
161 "&feed=" + param_escape(feed_id
);
163 var date
= new Date();
165 if (!xmlhttp_ready(xmlhttp
) && last_article_view
< date
.getTime() / 1000 - 15) {
166 debug("<b>xmlhttp seems to be stuck at view, aborting</b>");
170 if (cached_article
|| xmlhttp_ready(xmlhttp
)) {
172 cleanSelected("headlinesList");
174 var crow
= document
.getElementById("RROW-" + active_post_id
);
176 var article_is_unread
= crow
.className
.match("Unread");
177 debug("article is unread: " + article_is_unread
);
179 crow
.className
= crow
.className
.replace("Unread", "");
181 var upd_img_pic
= document
.getElementById("FUPDPIC-" + active_post_id
);
184 upd_img_pic
.src
= "images/blank_icon.gif";
187 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
188 markHeadline(active_post_id
);
190 var neighbor_ids
= getRelativePostIds(active_post_id
);
192 /* only request uncached articles */
194 var cids_to_request
= Array();
196 for (var i
= 0; i
< neighbor_ids
.length
; i
++) {
197 if (!cache_check(neighbor_ids
[i
])) {
198 cids_to_request
.push(neighbor_ids
[i
]);
202 debug("additional ids: " + cids_to_request
.toString());
204 /* additional info for piggyback counters */
206 if (tagsAreDisplayed()) {
207 query
= query
+ "&omode=lt";
209 query
= query
+ "&omode=flc";
212 var date
= new Date();
213 var timestamp
= Math
.round(date
.getTime() / 1000);
214 query
= query
+ "&ts=" + timestamp
;
216 query
= query
+ "&cids=" + cids_to_request
.toString();
218 if (!cached_article
) {
220 notify_progress("Loading, please wait...");
224 xmlhttp
.open("GET", query
, true);
225 xmlhttp
.onreadystatechange
=article_callback
;
227 } else if (cached_article
&& article_is_unread
) {
229 query
= query
+ "&mode=prefetch";
233 xmlhttp
.open("GET", query
, true);
234 xmlhttp
.onreadystatechange
=article_callback
;
237 render_article(cached_article
);
239 } else if (cached_article
) {
241 render_article(cached_article
);
248 debug("xmlhttp busy (@view)");
253 exception_error("view", e
);
257 function toggleMark(id
) {
259 if (!xmlhttp_ready(xmlhttp_rpc
)) {
264 var query
= "backend.php?op=rpc&id=" + id
+ "&subop=mark";
266 var mark_img
= document
.getElementById("FMARKPIC-" + id
);
267 var vfeedu
= document
.getElementById("FEEDU--1");
268 var crow
= document
.getElementById("RROW-" + id
);
270 if (mark_img
.alt
!= "Reset mark") {
271 mark_img
.src
= "images/mark_set.png";
272 mark_img
.alt
= "Reset mark";
273 query
= query
+ "&mark=1";
275 if (vfeedu
&& crow
.className
.match("Unread")) {
276 vfeedu
.innerHTML
= (+vfeedu
.innerHTML
) + 1;
280 mark_img
.src
= "images/mark_unset.png";
281 mark_img
.alt
= "Set mark";
282 query
= query
+ "&mark=0";
284 if (vfeedu
&& crow
.className
.match("Unread")) {
285 vfeedu
.innerHTML
= (+vfeedu
.innerHTML
) - 1;
290 var vfeedctr
= document
.getElementById("FEEDCTR--1");
291 var vfeedr
= document
.getElementById("FEEDR--1");
293 if (vfeedu
&& vfeedctr
) {
294 if ((+vfeedu
.innerHTML
) > 0) {
295 if (crow
.className
.match("Unread") && !vfeedr
.className
.match("Unread")) {
296 vfeedr
.className
= vfeedr
.className
+ "Unread";
297 vfeedctr
.className
= "odd";
300 vfeedctr
.className
= "invisible";
301 vfeedr
.className
= vfeedr
.className
.replace("Unread", "");
305 debug("toggle starred for aid " + id
);
307 new Ajax
.Request(query
);
311 function moveToPost(mode
) {
313 // check for combined mode
314 if (!document
.getElementById("headlinesList"))
317 var rows
= getVisibleHeadlineIds();
322 if (!document
.getElementById('RROW-' + active_post_id
)) {
323 active_post_id
= false;
326 if (active_post_id
== false) {
327 next_id
= getFirstVisibleHeadlineId();
328 prev_id
= getLastVisibleHeadlineId();
330 for (var i
= 0; i
< rows
.length
; i
++) {
331 if (rows
[i
] == active_post_id
) {
338 if (mode
== "next") {
339 if (next_id
!= undefined) {
340 view(next_id
, getActiveFeedId());
344 if (mode
== "prev") {
345 if ( prev_id
!= undefined) {
346 view(prev_id
, getActiveFeedId());
351 function toggleUnread(id
, cmode
) {
353 if (!xmlhttp_ready(xmlhttp_rpc
)) {
358 var row
= document
.getElementById("RROW-" + id
);
360 var nc
= row
.className
;
361 nc
= nc
.replace("Unread", "");
362 nc
= nc
.replace("Selected", "");
364 if (row
.className
.match("Unread")) {
367 row
.className
= nc
+ "Unread";
370 if (!cmode
) cmode
= 2;
372 var query
= "backend.php?op=rpc&subop=catchupSelected&ids=" +
373 param_escape(id
) + "&cmode=" + param_escape(cmode
);
375 notify_progress("Loading, please wait...");
377 xmlhttp_rpc
.open("GET", query
, true);
378 xmlhttp_rpc
.onreadystatechange
=all_counters_callback
;
379 xmlhttp_rpc
.send(null);
385 exception_error("toggleUnread", e
);
389 function selectionToggleUnread(cdm_mode
, set_state
, callback_func
, no_error
) {
391 if (!xmlhttp_ready(xmlhttp_rpc
)) {
399 rows
= cdmGetSelectedArticles();
401 rows
= getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
404 if (rows
.length
== 0 && !no_error
) {
405 alert(__("No articles are selected."));
409 for (i
= 0; i
< rows
.length
; i
++) {
410 var row
= document
.getElementById("RROW-" + rows
[i
]);
412 var nc
= row
.className
;
413 nc
= nc
.replace("Unread", "");
414 nc
= nc
.replace("Selected", "");
416 if (row
.className
.match("Unread")) {
417 row
.className
= nc
+ "Selected";
419 row
.className
= nc
+ "UnreadSelected";
424 if (rows
.length
> 0) {
428 if (set_state
== undefined) {
430 } else if (set_state
== true) {
432 } else if (set_state
== false) {
436 var query
= "backend.php?op=rpc&subop=catchupSelected&ids=" +
437 param_escape(rows
.toString()) + "&cmode=" + cmode
;
439 _catchup_callback_func
= callback_func
;
441 notify_progress("Loading, please wait...");
443 xmlhttp_rpc
.open("GET", query
, true);
444 xmlhttp_rpc
.onreadystatechange
=catchup_callback
;
445 xmlhttp_rpc
.send(null);
450 exception_error("selectionToggleUnread", e
);
454 function selectionToggleMarked(cdm_mode
) {
456 if (!xmlhttp_ready(xmlhttp_rpc
)) {
464 rows
= cdmGetSelectedArticles();
466 rows
= getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
469 if (rows
.length
== 0) {
470 alert(__("No articles are selected."));
474 for (i
= 0; i
< rows
.length
; i
++) {
475 var row
= document
.getElementById("RROW-" + rows
[i
]);
476 var mark_img
= document
.getElementById("FMARKPIC-" + rows
[i
]);
478 if (row
&& mark_img
) {
480 if (mark_img
.alt
== "Set mark") {
481 mark_img
.src
= "images/mark_set.png";
482 mark_img
.alt
= "Reset mark";
483 mark_img
.setAttribute('onclick',
484 'javascript:toggleMark('+rows
[i
]+', false)');
487 mark_img
.src
= "images/mark_unset.png";
488 mark_img
.alt
= "Set mark";
489 mark_img
.setAttribute('onclick',
490 'javascript:toggleMark('+rows
[i
]+', true)');
495 if (rows
.length
> 0) {
497 var query
= "backend.php?op=rpc&subop=markSelected&ids=" +
498 param_escape(rows
.toString()) + "&cmode=2";
500 xmlhttp_rpc
.open("GET", query
, true);
501 xmlhttp_rpc
.onreadystatechange
=all_counters_callback
;
502 xmlhttp_rpc
.send(null);
507 exception_error("selectionToggleMarked", e
);
511 function cdmGetSelectedArticles() {
512 var sel_articles
= new Array();
513 var container
= document
.getElementById("headlinesInnerContainer");
515 for (i
= 0; i
< container
.childNodes
.length
; i
++) {
516 var child
= container
.childNodes
[i
];
518 if (child
.id
.match("RROW-") && child
.className
.match("Selected")) {
519 var c_id
= child
.id
.replace("RROW-", "");
520 sel_articles
.push(c_id
);
527 // mode = all,none,unread
528 function cdmSelectArticles(mode
) {
529 var container
= document
.getElementById("headlinesInnerContainer");
531 for (i
= 0; i
< container
.childNodes
.length
; i
++) {
532 var child
= container
.childNodes
[i
];
534 if (child
.id
.match("RROW-")) {
535 var aid
= child
.id
.replace("RROW-", "");
537 var cb
= document
.getElementById("RCHK-" + aid
);
540 if (!child
.className
.match("Selected")) {
541 child
.className
= child
.className
+ "Selected";
544 } else if (mode
== "unread") {
545 if (child
.className
.match("Unread") && !child
.className
.match("Selected")) {
546 child
.className
= child
.className
+ "Selected";
550 child
.className
= child
.className
.replace("Selected", "");
557 function catchupPage() {
559 if (document
.getElementById("headlinesList")) {
560 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
561 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
562 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
564 cdmSelectArticles('all');
565 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
566 cdmSelectArticles('none');
570 function labelFromSearch(search
, search_mode
, match_on
, feed_id
, is_cat
) {
572 if (!xmlhttp_ready(xmlhttp_rpc
)) {
576 var title
= prompt("Please enter label title:", "");
580 var query
= "backend.php?op=labelFromSearch&search=" + param_escape(search
) +
581 "&smode=" + param_escape(search_mode
) + "&match=" + param_escape(match_on
) +
582 "&feed=" + param_escape(feed_id
) + "&is_cat=" + param_escape(is_cat
) +
583 "&title=" + param_escape(title
);
585 debug("LFS: " + query
);
587 xmlhttp_rpc
.open("GET", query
, true);
588 xmlhttp_rpc
.onreadystatechange
=dlg_frefresh_callback
;
589 xmlhttp_rpc
.send(null);
594 function editArticleTags(id
, feed_id
, cdm_enabled
) {
595 _tag_active_post_id
= id
;
596 _tag_active_feed_id
= feed_id
;
597 _tag_active_cdm
= cdm_enabled
;
599 _tag_cdm_scroll
= document
.getElementById("headlinesInnerContainer").scrollTop
;
601 displayDlg('editArticleTags', id
);
605 function tag_saved_callback() {
606 if (xmlhttp_rpc
.readyState
== 4) {
608 debug("in tag_saved_callback");
613 if (tagsAreDisplayed()) {
614 _reload_feedlist_after_view
= true;
617 if (!_tag_active_cdm
) {
618 if (active_post_id
== _tag_active_post_id
) {
619 debug("reloading current article");
620 view(_tag_active_post_id
, _tag_active_feed_id
);
623 debug("reloading current feed");
628 exception_error("catchup_callback", e
);
633 function editTagsSave() {
635 if (!xmlhttp_ready(xmlhttp_rpc
)) {
639 notify_progress("Saving article tags...");
641 var form
= document
.forms
["tag_edit_form"];
643 var query
= Form
.serialize("tag_edit_form");
645 xmlhttp_rpc
.open("GET", "backend.php?op=rpc&subop=setArticleTags&" + query
, true);
646 xmlhttp_rpc
.onreadystatechange
=tag_saved_callback
;
647 xmlhttp_rpc
.send(null);
651 function editTagsInsert() {
654 var form
= document
.forms
["tag_edit_form"];
656 var found_tags
= form
.found_tags
;
657 var tags_str
= form
.tags_str
;
659 var tag
= found_tags
[found_tags
.selectedIndex
].value
;
661 if (tags_str
.value
.length
> 0 &&
662 tags_str
.value
.lastIndexOf(", ") != tags_str
.value
.length
- 2) {
664 tags_str
.value
= tags_str
.value
+ ", ";
667 tags_str
.value
= tags_str
.value
+ tag
+ ", ";
669 found_tags
.selectedIndex
= 0;
672 exception_error(e
, "editTagsInsert");
676 function cdmWatchdog() {
680 var ctr
= document
.getElementById("headlinesInnerContainer");
684 var ids
= new Array();
686 var e
= ctr
.firstChild
;
689 if (e
.className
&& e
.className
== "cdmArticleUnread" && e
.id
&&
690 e
.id
.match("RROW-")) {
692 // article fits in viewport OR article is longer than viewport and
693 // its bottom is visible
695 if (ctr
.scrollTop
<= e
.offsetTop
&& e
.offsetTop
+ e
.offsetHeight
<=
696 ctr
.scrollTop
+ ctr
.offsetHeight
) {
698 // debug(e.id + " is visible " + e.offsetTop + "." +
699 // (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
700 // (ctr.scrollTop + ctr.offsetHeight));
702 ids
.push(e
.id
.replace("RROW-", ""));
704 } else if (e
.offsetHeight
> ctr
.offsetHeight
&&
705 e
.offsetTop
+ e
.offsetHeight
>= ctr
.scrollTop
&&
706 e
.offsetTop
+ e
.offsetHeight
<= ctr
.scrollTop
+ ctr
.offsetHeight
) {
708 ids
.push(e
.id
.replace("RROW-", ""));
712 // method 2: article bottom is visible and is in upper 1/2 of the viewport
714 /* if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
715 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
717 ids.push(e.id.replace("RROW-", ""));
726 debug("cdmWatchdog, ids= " + ids
.toString());
728 if (ids
.length
> 0 && xmlhttp_ready(xmlhttp_rpc
)) {
730 for (var i
= 0; i
< ids
.length
; i
++) {
731 var e
= document
.getElementById("RROW-" + ids
[i
]);
733 e
.className
= e
.className
.replace("Unread", "");
737 var query
= "backend.php?op=rpc&subop=catchupSelected&ids=" +
738 param_escape(ids
.toString()) + "&cmode=0";
740 xmlhttp_rpc
.open("GET", query
, true);
741 xmlhttp_rpc
.onreadystatechange
=all_counters_callback
;
742 xmlhttp_rpc
.send(null);
746 _cdm_wd_timeout
= window
.setTimeout("cdmWatchdog()", 4000);
749 exception_error(e
, "cdmWatchdog");
755 function cache_inject(id
, article
) {
756 if (!cache_check(id
)) {
757 debug("cache_article: miss: " + id
);
759 var cache_obj
= new Array();
763 cache_obj
["id"] = id
;
764 cache_obj
["entered"] = d
.getTime() / 1000;
765 cache_obj
["data"] = article
;
766 cache_obj
["last_access"] = 0;
768 //article_cache[id] = cache_obj;
770 article_cache
.push(cache_obj
);
773 debug("cache_article: hit: " + id
);
777 function cache_find(id
) {
778 for (var i
= 0; i
< article_cache
.length
; i
++) {
779 if (article_cache
[i
]["id"] == id
) {
781 article_cache
[i
]["last_access"] = d
.getTime() / 1000;
782 return article_cache
[i
]["data"];
788 function cache_check(id
) {
789 for (var i
= 0; i
< article_cache
.length
; i
++) {
790 if (article_cache
[i
]["id"] == id
) {
797 function cache_expire() {
798 while (article_cache
.length
> 30) {
799 article_cache
.shift();