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 update_all_counters();
133 function view(id
, feed_id
, skip_history
) {
136 debug("loading article: " + id
+ "/" + feed_id
);
138 active_real_feed_id
= feed_id
;
140 var cached_article
= cache_find(id
);
142 debug("cache check result: " + (cached_article
!= false));
144 /* if (!skip_history) {
145 history_push("ARTICLE:" + id + ":" + feed_id);
151 //setActiveFeedId(feed_id);
153 var query
= "backend.php?op=view&id=" + param_escape(id
) +
154 "&feed=" + param_escape(feed_id
);
156 var date
= new Date();
158 if (!xmlhttp_ready(xmlhttp
) && last_article_view
< date
.getTime() / 1000 - 15) {
159 debug("<b>xmlhttp seems to be stuck at view, aborting</b>");
163 if (cached_article
|| xmlhttp_ready(xmlhttp
)) {
165 cleanSelected("headlinesList");
167 var crow
= document
.getElementById("RROW-" + active_post_id
);
169 var article_is_unread
= crow
.className
.match("Unread");
170 debug("article is unread: " + article_is_unread
);
172 crow
.className
= crow
.className
.replace("Unread", "");
174 var upd_img_pic
= document
.getElementById("FUPDPIC-" + active_post_id
);
177 upd_img_pic
.src
= "images/blank_icon.gif";
180 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
181 markHeadline(active_post_id
);
183 var neighbor_ids
= getRelativePostIds(active_post_id
);
185 /* only request uncached articles */
187 var cids_to_request
= Array();
189 for (var i
= 0; i
< neighbor_ids
.length
; i
++) {
190 if (!cache_check(neighbor_ids
[i
])) {
191 cids_to_request
.push(neighbor_ids
[i
]);
195 debug("additional ids: " + cids_to_request
.toString());
197 var date
= new Date();
198 var timestamp
= Math
.round(date
.getTime() / 1000);
199 query
= query
+ "&ts=" + timestamp
;
201 query
= query
+ "&cids=" + cids_to_request
.toString();
203 if (!cached_article
) {
205 notify_progress("Loading, please wait...");
209 xmlhttp
.open("GET", query
, true);
210 xmlhttp
.onreadystatechange
=article_callback
;
212 } else if (cached_article
&& article_is_unread
) {
214 query
= query
+ "&mode=prefetch";
218 xmlhttp
.open("GET", query
, true);
219 xmlhttp
.onreadystatechange
=article_callback
;
222 render_article(cached_article
);
224 } else if (cached_article
) {
226 render_article(cached_article
);
233 debug("xmlhttp busy (@view)");
238 exception_error("view", e
);
242 function toggleMark(id
) {
244 if (!xmlhttp_ready(xmlhttp_rpc
)) {
249 var query
= "backend.php?op=rpc&id=" + id
+ "&subop=mark";
251 var mark_img
= document
.getElementById("FMARKPIC-" + id
);
252 var vfeedu
= document
.getElementById("FEEDU--1");
253 var crow
= document
.getElementById("RROW-" + id
);
255 if (mark_img
.alt
!= "Reset mark") {
256 mark_img
.src
= "images/mark_set.png";
257 mark_img
.alt
= "Reset mark";
258 query
= query
+ "&mark=1";
260 if (vfeedu
&& crow
.className
.match("Unread")) {
261 vfeedu
.innerHTML
= (+vfeedu
.innerHTML
) + 1;
265 mark_img
.src
= "images/mark_unset.png";
266 mark_img
.alt
= "Set mark";
267 query
= query
+ "&mark=0";
269 if (vfeedu
&& crow
.className
.match("Unread")) {
270 vfeedu
.innerHTML
= (+vfeedu
.innerHTML
) - 1;
275 var vfeedctr
= document
.getElementById("FEEDCTR--1");
276 var vfeedr
= document
.getElementById("FEEDR--1");
278 if (vfeedu
&& vfeedctr
) {
279 if ((+vfeedu
.innerHTML
) > 0) {
280 if (crow
.className
.match("Unread") && !vfeedr
.className
.match("Unread")) {
281 vfeedr
.className
= vfeedr
.className
+ "Unread";
282 vfeedctr
.className
= "odd";
285 vfeedctr
.className
= "invisible";
286 vfeedr
.className
= vfeedr
.className
.replace("Unread", "");
290 debug("toggle starred for aid " + id
);
292 new Ajax
.Request(query
);
296 function moveToPost(mode
) {
298 // check for combined mode
299 if (!document
.getElementById("headlinesList"))
302 var rows
= getVisibleHeadlineIds();
307 if (!document
.getElementById('RROW-' + active_post_id
)) {
308 active_post_id
= false;
311 if (active_post_id
== false) {
312 next_id
= getFirstVisibleHeadlineId();
313 prev_id
= getLastVisibleHeadlineId();
315 for (var i
= 0; i
< rows
.length
; i
++) {
316 if (rows
[i
] == active_post_id
) {
323 if (mode
== "next") {
324 if (next_id
!= undefined) {
325 view(next_id
, getActiveFeedId());
329 if (mode
== "prev") {
330 if ( prev_id
!= undefined) {
331 view(prev_id
, getActiveFeedId());
336 function toggleUnread(id
, cmode
) {
338 if (!xmlhttp_ready(xmlhttp_rpc
)) {
343 var row
= document
.getElementById("RROW-" + id
);
345 var nc
= row
.className
;
346 nc
= nc
.replace("Unread", "");
347 nc
= nc
.replace("Selected", "");
349 if (row
.className
.match("Unread")) {
352 row
.className
= nc
+ "Unread";
355 if (!cmode
) cmode
= 2;
357 var query
= "backend.php?op=rpc&subop=catchupSelected&ids=" +
358 param_escape(id
) + "&cmode=" + param_escape(cmode
);
360 notify_progress("Loading, please wait...");
362 xmlhttp_rpc
.open("GET", query
, true);
363 xmlhttp_rpc
.onreadystatechange
=all_counters_callback
;
364 xmlhttp_rpc
.send(null);
370 exception_error("toggleUnread", e
);
374 function selectionToggleUnread(cdm_mode
, set_state
, callback_func
, no_error
) {
376 if (!xmlhttp_ready(xmlhttp_rpc
)) {
384 rows
= cdmGetSelectedArticles();
386 rows
= getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
389 if (rows
.length
== 0 && !no_error
) {
390 alert(__("No articles are selected."));
394 for (i
= 0; i
< rows
.length
; i
++) {
395 var row
= document
.getElementById("RROW-" + rows
[i
]);
397 var nc
= row
.className
;
398 nc
= nc
.replace("Unread", "");
399 nc
= nc
.replace("Selected", "");
401 if (row
.className
.match("Unread")) {
402 row
.className
= nc
+ "Selected";
404 row
.className
= nc
+ "UnreadSelected";
409 if (rows
.length
> 0) {
413 if (set_state
== undefined) {
415 } else if (set_state
== true) {
417 } else if (set_state
== false) {
421 var query
= "backend.php?op=rpc&subop=catchupSelected&ids=" +
422 param_escape(rows
.toString()) + "&cmode=" + cmode
;
424 _catchup_callback_func
= callback_func
;
426 notify_progress("Loading, please wait...");
428 xmlhttp_rpc
.open("GET", query
, true);
429 xmlhttp_rpc
.onreadystatechange
=catchup_callback
;
430 xmlhttp_rpc
.send(null);
435 exception_error("selectionToggleUnread", e
);
439 function selectionToggleMarked(cdm_mode
) {
441 if (!xmlhttp_ready(xmlhttp_rpc
)) {
449 rows
= cdmGetSelectedArticles();
451 rows
= getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
454 if (rows
.length
== 0) {
455 alert(__("No articles are selected."));
459 for (i
= 0; i
< rows
.length
; i
++) {
460 var row
= document
.getElementById("RROW-" + rows
[i
]);
461 var mark_img
= document
.getElementById("FMARKPIC-" + rows
[i
]);
463 if (row
&& mark_img
) {
465 if (mark_img
.alt
== "Set mark") {
466 mark_img
.src
= "images/mark_set.png";
467 mark_img
.alt
= "Reset mark";
468 mark_img
.setAttribute('onclick',
469 'javascript:toggleMark('+rows
[i
]+', false)');
472 mark_img
.src
= "images/mark_unset.png";
473 mark_img
.alt
= "Set mark";
474 mark_img
.setAttribute('onclick',
475 'javascript:toggleMark('+rows
[i
]+', true)');
480 if (rows
.length
> 0) {
482 var query
= "backend.php?op=rpc&subop=markSelected&ids=" +
483 param_escape(rows
.toString()) + "&cmode=2";
485 xmlhttp_rpc
.open("GET", query
, true);
486 xmlhttp_rpc
.onreadystatechange
=all_counters_callback
;
487 xmlhttp_rpc
.send(null);
492 exception_error("selectionToggleMarked", e
);
496 function cdmGetSelectedArticles() {
497 var sel_articles
= new Array();
498 var container
= document
.getElementById("headlinesInnerContainer");
500 for (i
= 0; i
< container
.childNodes
.length
; i
++) {
501 var child
= container
.childNodes
[i
];
503 if (child
.id
.match("RROW-") && child
.className
.match("Selected")) {
504 var c_id
= child
.id
.replace("RROW-", "");
505 sel_articles
.push(c_id
);
512 // mode = all,none,unread
513 function cdmSelectArticles(mode
) {
514 var container
= document
.getElementById("headlinesInnerContainer");
516 for (i
= 0; i
< container
.childNodes
.length
; i
++) {
517 var child
= container
.childNodes
[i
];
519 if (child
.id
.match("RROW-")) {
520 var aid
= child
.id
.replace("RROW-", "");
522 var cb
= document
.getElementById("RCHK-" + aid
);
525 if (!child
.className
.match("Selected")) {
526 child
.className
= child
.className
+ "Selected";
529 } else if (mode
== "unread") {
530 if (child
.className
.match("Unread") && !child
.className
.match("Selected")) {
531 child
.className
= child
.className
+ "Selected";
535 child
.className
= child
.className
.replace("Selected", "");
542 function catchupPage() {
544 if (document
.getElementById("headlinesList")) {
545 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
546 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
547 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
549 cdmSelectArticles('all');
550 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
551 cdmSelectArticles('none');
555 function labelFromSearch(search
, search_mode
, match_on
, feed_id
, is_cat
) {
557 if (!xmlhttp_ready(xmlhttp_rpc
)) {
561 var title
= prompt("Please enter label title:", "");
565 var query
= "backend.php?op=labelFromSearch&search=" + param_escape(search
) +
566 "&smode=" + param_escape(search_mode
) + "&match=" + param_escape(match_on
) +
567 "&feed=" + param_escape(feed_id
) + "&is_cat=" + param_escape(is_cat
) +
568 "&title=" + param_escape(title
);
570 debug("LFS: " + query
);
572 xmlhttp_rpc
.open("GET", query
, true);
573 xmlhttp_rpc
.onreadystatechange
=dlg_frefresh_callback
;
574 xmlhttp_rpc
.send(null);
579 function editArticleTags(id
, feed_id
, cdm_enabled
) {
580 _tag_active_post_id
= id
;
581 _tag_active_feed_id
= feed_id
;
582 _tag_active_cdm
= cdm_enabled
;
584 _tag_cdm_scroll
= document
.getElementById("headlinesInnerContainer").scrollTop
;
586 displayDlg('editArticleTags', id
);
590 function tag_saved_callback() {
591 if (xmlhttp_rpc
.readyState
== 4) {
593 debug("in tag_saved_callback");
598 if (tagsAreDisplayed()) {
599 _reload_feedlist_after_view
= true;
602 if (!_tag_active_cdm
) {
603 if (active_post_id
== _tag_active_post_id
) {
604 debug("reloading current article");
605 view(_tag_active_post_id
, _tag_active_feed_id
);
608 debug("reloading current feed");
613 exception_error("catchup_callback", e
);
618 function editTagsSave() {
620 if (!xmlhttp_ready(xmlhttp_rpc
)) {
624 notify_progress("Saving article tags...");
626 var form
= document
.forms
["tag_edit_form"];
628 var query
= Form
.serialize("tag_edit_form");
630 xmlhttp_rpc
.open("GET", "backend.php?op=rpc&subop=setArticleTags&" + query
, true);
631 xmlhttp_rpc
.onreadystatechange
=tag_saved_callback
;
632 xmlhttp_rpc
.send(null);
636 function editTagsInsert() {
639 var form
= document
.forms
["tag_edit_form"];
641 var found_tags
= form
.found_tags
;
642 var tags_str
= form
.tags_str
;
644 var tag
= found_tags
[found_tags
.selectedIndex
].value
;
646 if (tags_str
.value
.length
> 0 &&
647 tags_str
.value
.lastIndexOf(", ") != tags_str
.value
.length
- 2) {
649 tags_str
.value
= tags_str
.value
+ ", ";
652 tags_str
.value
= tags_str
.value
+ tag
+ ", ";
654 found_tags
.selectedIndex
= 0;
657 exception_error(e
, "editTagsInsert");
661 function cdmWatchdog() {
665 var ctr
= document
.getElementById("headlinesInnerContainer");
669 var ids
= new Array();
671 var e
= ctr
.firstChild
;
674 if (e
.className
&& e
.className
== "cdmArticleUnread" && e
.id
&&
675 e
.id
.match("RROW-")) {
677 // article fits in viewport OR article is longer than viewport and
678 // its bottom is visible
680 if (ctr
.scrollTop
<= e
.offsetTop
&& e
.offsetTop
+ e
.offsetHeight
<=
681 ctr
.scrollTop
+ ctr
.offsetHeight
) {
683 // debug(e.id + " is visible " + e.offsetTop + "." +
684 // (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
685 // (ctr.scrollTop + ctr.offsetHeight));
687 ids
.push(e
.id
.replace("RROW-", ""));
689 } else if (e
.offsetHeight
> ctr
.offsetHeight
&&
690 e
.offsetTop
+ e
.offsetHeight
>= ctr
.scrollTop
&&
691 e
.offsetTop
+ e
.offsetHeight
<= ctr
.scrollTop
+ ctr
.offsetHeight
) {
693 ids
.push(e
.id
.replace("RROW-", ""));
697 // method 2: article bottom is visible and is in upper 1/2 of the viewport
699 /* if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
700 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
702 ids.push(e.id.replace("RROW-", ""));
711 debug("cdmWatchdog, ids= " + ids
.toString());
713 if (ids
.length
> 0 && xmlhttp_ready(xmlhttp_rpc
)) {
715 for (var i
= 0; i
< ids
.length
; i
++) {
716 var e
= document
.getElementById("RROW-" + ids
[i
]);
718 e
.className
= e
.className
.replace("Unread", "");
722 var query
= "backend.php?op=rpc&subop=catchupSelected&ids=" +
723 param_escape(ids
.toString()) + "&cmode=0";
725 xmlhttp_rpc
.open("GET", query
, true);
726 xmlhttp_rpc
.onreadystatechange
=all_counters_callback
;
727 xmlhttp_rpc
.send(null);
731 _cdm_wd_timeout
= window
.setTimeout("cdmWatchdog()", 4000);
734 exception_error(e
, "cdmWatchdog");
740 function cache_inject(id
, article
) {
741 if (!cache_check(id
)) {
742 debug("cache_article: miss: " + id
);
744 var cache_obj
= new Array();
748 cache_obj
["id"] = id
;
749 cache_obj
["entered"] = d
.getTime() / 1000;
750 cache_obj
["data"] = article
;
751 cache_obj
["last_access"] = 0;
753 //article_cache[id] = cache_obj;
755 article_cache
.push(cache_obj
);
758 debug("cache_article: hit: " + id
);
762 function cache_find(id
) {
763 for (var i
= 0; i
< article_cache
.length
; i
++) {
764 if (article_cache
[i
]["id"] == id
) {
766 article_cache
[i
]["last_access"] = d
.getTime() / 1000;
767 return article_cache
[i
]["data"];
773 function cache_check(id
) {
774 for (var i
= 0; i
< article_cache
.length
; i
++) {
775 if (article_cache
[i
]["id"] == id
) {
782 function cache_expire() {
783 while (article_cache
.length
> 30) {
784 article_cache
.shift();