js/feedlist.js

   1 var _infscroll_disable = 0;
   2 var _infscroll_request_sent = 0;
   3
   4 var _search_query = false;
   5 var _viewfeed_last = 0;
   6 var _viewfeed_timeout = false;
   7
   8 var counters_last_request = 0;
   9 var _counters_prev = [];
  10
  11 /*function viewCategory(cat) {
  12         viewfeed({feed: cat, is_cat: true});
  13         return false;
  14 }*/
  15
  16 function loadMoreHeadlines() {
  17         try {
  18                 console.log("loadMoreHeadlines");
  19
  20                 var offset = 0;
  21
  22                 var view_mode = document.forms["main_toolbar_form"].view_mode.value;
  23                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length;
  24                 var num_all = $$("#headlines-frame > div[id*=RROW]").length;
  25                 var num_unread = getFeedUnread(getActiveFeedId(), activeFeedIsCat());
  26
  27                 // TODO implement marked & published
  28
  29                 if (view_mode == "marked") {
  30                         console.warn("loadMoreHeadlines: marked is not implemented, falling back.");
  31                         offset = num_all;
  32                 } else if (view_mode == "published") {
  33                         console.warn("loadMoreHeadlines: published is not implemented, falling back.");
  34                         offset = num_all;
  35                 } else if (view_mode == "unread") {
  36                         offset = unread_in_buffer;
  37                 } else if (_search_query) {
  38                         offset = num_all;
  39                 } else if (view_mode == "adaptive" && !(getActiveFeedId() == -1 && !activeFeedIsCat())) {
  40                         // ^ starred feed shows both unread & read articles in adaptive mode
  41                         offset = num_unread > 0 ? unread_in_buffer : num_all;
  42                 } else {
  43                         offset = num_all;
  44                 }
  45
  46                 console.log("offset: " + offset);
  47
  48                 viewfeed({feed: getActiveFeedId(), is_cat: activeFeedIsCat(), offset: offset, infscroll_req: true});
  49
  50         } catch (e) {
  51                 exception_error("viewNextFeedPage", e);
  52         }
  53 }
  54
  55 function cleanup_memory(root) {
  56         try {
  57                 var dijits = dojo.query("[widgetid]", dijit.byId(root).domNode).map(dijit.byNode);
  58
  59                 dijits.each(function (d) {
  60                         dojo.destroy(d.domNode);
  61                 });
  62
  63                 $$("#" + root + " *").each(function (i) {
  64                         i.parentNode ? i.parentNode.removeChild(i) : true;
  65                 });
  66         } catch (e) {
  67                 console.log("cleanup_memory: exception");
  68                 console.log(e);
  69         }
  70 }
  71
  72 function viewfeed(params) {
  73         try {
  74                 var feed = params.feed;
  75                 var is_cat = params.is_cat;
  76                 var offset = params.offset;
  77                 var background = params.background;
  78                 var infscroll_req = params.infscroll_req;
  79                 var can_wait = params.can_wait;
  80                 var viewfeed_debug = params.viewfeed_debug;
  81                 var method = params.method;
  82
  83                 if (is_cat == undefined)
  84                         is_cat = false;
  85                 else
  86                         is_cat = !!is_cat;
  87
  88                 if (offset == undefined) offset = 0;
  89                 if (background == undefined) background = false;
  90                 if (infscroll_req == undefined) infscroll_req = false;
  91
  92                 last_requested_article = 0;
  93
  94                 if (feed != getActiveFeedId() || activeFeedIsCat() != is_cat) {
  95                         if (!background && _search_query) _search_query = false;
  96                 }
  97
  98                 if (!background) {
  99                         _viewfeed_last = get_timestamp();
 100
 101                         if (getActiveFeedId() != feed || !infscroll_req) {
 102                                 setActiveArticleId(0);
 103                                 _infscroll_disable = 0;
 104
 105                                 cleanup_memory("headlines-frame");
 106                                 _headlines_scroll_offset = 0;
 107                         }
 108
 109                         if (infscroll_req) {
 110                                 var timestamp = get_timestamp();
 111
 112                                 if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
 113                                         //console.log("infscroll request in progress, aborting");
 114                                         return;
 115                                 }
 116
 117                                 _infscroll_request_sent = timestamp;
 118                         }
 119                 }
 120
 121                 Form.enable("main_toolbar_form");
 122
 123                 var toolbar_query = Form.serialize("main_toolbar_form");
 124
 125                 var query = "?op=feeds&method=view&feed=" + param_escape(feed) + "&" +
 126                         toolbar_query;
 127
 128                 if (method) query += "&m=" + param_escape(method);
 129
 130                 if (offset > 0) {
 131                         if (current_first_id) {
 132                                 query = query + "&fid=" + param_escape(current_first_id);
 133                         }
 134                 }
 135
 136                 if (!background) {
 137                         if (_search_query) {
 138                                 force_nocache = true;
 139                                 query = query + "&" + _search_query;
 140                                 //_search_query = false;
 141                         }
 142
 143                         if (offset != 0) {
 144                                 query = query + "&skip=" + offset;
 145
 146                                 // to prevent duplicate feed titles when showing grouped vfeeds
 147                                 if (vgroup_last_feed) {
 148                                         query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 149                                 }
 150                         } else {
 151                                 if (!is_cat && feed == getActiveFeedId() && !params.method) {
 152                                         query = query + "&m=ForceUpdate";
 153                                 }
 154                         }
 155
 156                         Form.enable("main_toolbar_form");
 157
 158                         if (!setFeedExpandoIcon(feed, is_cat,
 159                                 (is_cat) ? 'images/indicator_tiny.gif' : 'images/indicator_white.gif'))
 160                                         notify_progress("Loading, please wait...", true);
 161                 }
 162
 163                 query += "&cat=" + is_cat;
 164
 165                 console.log(query);
 166
 167                 if (can_wait && _viewfeed_timeout) {
 168                         setFeedExpandoIcon(getActiveFeedId(), activeFeedIsCat(), 'images/blank_icon.gif');
 169                         clearTimeout(_viewfeed_timeout);
 170                 }
 171
 172                 setActiveFeedId(feed, is_cat);
 173
 174                 if (viewfeed_debug) {
 175                         window.open("backend.php" + query + "&debug=1&csrf_token=" + getInitParam("csrf_token"));
 176                 }
 177
 178                 timeout_ms = can_wait ? 250 : 0;
 179                 _viewfeed_timeout = setTimeout(function() {
 180
 181                         new Ajax.Request("backend.php", {
 182                                 parameters: query,
 183                                 onComplete: function(transport) {
 184                                         setFeedExpandoIcon(feed, is_cat, 'images/blank_icon.gif');
 185                                         headlines_callback2(transport, offset, background, infscroll_req);
 186                                         PluginHost.run(PluginHost.HOOK_FEED_LOADED, [feed, is_cat]);
 187                                 } });
 188                 }, timeout_ms); // Wait 250ms
 189
 190         } catch (e) {
 191                 exception_error("viewfeed", e);
 192         }
 193 }
 194
 195 function feedlist_init() {
 196         try {
 197                 console.log("in feedlist init");
 198
 199                 loading_set_progress(50);
 200
 201                 document.onkeydown = hotkey_handler;
 202                 setTimeout(hotkey_prefix_timeout, 5*1000);
 203
 204                 if (!getActiveFeedId()) {
 205                         viewfeed({feed: -3});
 206                 } else {
 207                         viewfeed({feed: getActiveFeedId(), is_cat: activeFeedIsCat()});
 208                 }
 209
 210                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 211
 212                 request_counters(true);
 213                 timeout();
 214
 215         } catch (e) {
 216                 exception_error("feedlist/init", e);
 217         }
 218 }
 219
 220
 221 function request_counters(force) {
 222         try {
 223                 var date = new Date();
 224                 var timestamp = Math.round(date.getTime() / 1000);
 225
 226                 if (force || timestamp - counters_last_request > 5) {
 227                         console.log("scheduling request of counters...");
 228
 229                         counters_last_request = timestamp;
 230
 231                         var query = "?op=rpc&method=getAllCounters&seq=" + next_seq();
 232
 233                         if (!force)
 234                                 query = query + "&last_article_id=" + getInitParam("last_article_id");
 235
 236                         console.log(query);
 237
 238                         new Ajax.Request("backend.php", {
 239                                 parameters: query,
 240                                 onComplete: function(transport) {
 241                                         try {
 242                                                 handle_rpc_json(transport);
 243                                         } catch (e) {
 244                                                 exception_error("request_counters", e);
 245                                         }
 246                                 } });
 247
 248                 } else {
 249                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 250                 }
 251
 252         } catch (e) {
 253                 exception_error("request_counters", e);
 254         }
 255 }
 256
 257 function parse_counters(elems) {
 258         try {
 259                 for (var l = 0; l < elems.length; l++) {
 260
 261                         if (_counters_prev[l]  &&
 262                                 _counters_prev[l].id == elems[l].id &&
 263                                 _counters_prev[l].updated == elems[l].updated &&
 264                                 _counters_prev[l].counter == elems[l].counter) {
 265
 266                                 continue;
 267                         }
 268
 269                         var id = elems[l].id;
 270                         var kind = elems[l].kind;
 271                         var ctr = parseInt(elems[l].counter);
 272                         var error = elems[l].error;
 273                         var has_img = elems[l].has_img;
 274                         var updated = elems[l].updated;
 275                         var auxctr = parseInt(elems[l].auxcounter);
 276
 277                         if (id == "global-unread") {
 278                                 global_unread = ctr;
 279                                 updateTitle();
 280                                 continue;
 281                         }
 282
 283                         if (id == "subscribed-feeds") {
 284                                 feeds_found = ctr;
 285                                 continue;
 286                         }
 287
 288                         if (getFeedUnread(id, (kind == "cat")) != ctr ||
 289                                         (kind == "cat")) {
 290                         }
 291
 292                         setFeedUnread(id, (kind == "cat"), ctr);
 293                         setFeedValue(id, (kind == "cat"), 'auxcounter', auxctr);
 294
 295                         if (kind != "cat") {
 296                                 setFeedValue(id, false, 'error', error);
 297                                 setFeedValue(id, false, 'updated', updated);
 298
 299                                 if (id > 0) {
 300                                         if (has_img) {
 301                                                 setFeedIcon(id, false,
 302                                                         getInitParam("icons_url") + "/" + id + ".ico");
 303                                         } else {
 304                                                 setFeedIcon(id, false, 'images/blank_icon.gif');
 305                                         }
 306                                 }
 307                         }
 308                 }
 309
 310                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 311
 312                 _counters_prev = elems;
 313
 314         } catch (e) {
 315                 exception_error("parse_counters", e);
 316         }
 317 }
 318
 319 function getFeedUnread(feed, is_cat) {
 320         try {
 321                 var tree = dijit.byId("feedTree");
 322
 323                 if (tree && tree.model)
 324                         return tree.model.getFeedUnread(feed, is_cat);
 325
 326         } catch (e) {
 327                 //
 328         }
 329
 330         return -1;
 331 }
 332
 333 function getFeedCategory(feed) {
 334         try {
 335                 var tree = dijit.byId("feedTree");
 336
 337                 if (tree && tree.model)
 338                         return tree.getFeedCategory(feed);
 339
 340         } catch (e) {
 341                 //
 342         }
 343
 344         return false;
 345 }
 346
 347 function hideOrShowFeeds(hide) {
 348         var tree = dijit.byId("feedTree");
 349
 350         if (tree)
 351                 return tree.hideRead(hide, getInitParam("hide_read_shows_special"));
 352 }
 353
 354 function getFeedName(feed, is_cat) {
 355
 356         if (isNaN(feed)) return feed; // it's a tag
 357
 358         var tree = dijit.byId("feedTree");
 359
 360         if (tree && tree.model)
 361                 return tree.model.getFeedValue(feed, is_cat, 'name');
 362 }
 363
 364 function getFeedValue(feed, is_cat, key) {
 365         try {
 366                 var tree = dijit.byId("feedTree");
 367
 368                 if (tree && tree.model)
 369                         return tree.model.getFeedValue(feed, is_cat, key);
 370
 371         } catch (e) {
 372                 //
 373         }
 374         return '';
 375 }
 376
 377 function setFeedUnread(feed, is_cat, unread) {
 378         try {
 379                 var tree = dijit.byId("feedTree");
 380
 381                 if (tree && tree.model)
 382                         return tree.model.setFeedUnread(feed, is_cat, unread);
 383
 384         } catch (e) {
 385                 exception_error("setFeedUnread", e);
 386         }
 387 }
 388
 389 function setFeedValue(feed, is_cat, key, value) {
 390         try {
 391                 var tree = dijit.byId("feedTree");
 392
 393                 if (tree && tree.model)
 394                         return tree.model.setFeedValue(feed, is_cat, key, value);
 395
 396         } catch (e) {
 397                 //
 398         }
 399 }
 400
 401 function selectFeed(feed, is_cat) {
 402         try {
 403                 var tree = dijit.byId("feedTree");
 404
 405                 if (tree) return tree.selectFeed(feed, is_cat);
 406
 407         } catch (e) {
 408                 exception_error("selectFeed", e);
 409         }
 410 }
 411
 412 function setFeedIcon(feed, is_cat, src) {
 413         try {
 414                 var tree = dijit.byId("feedTree");
 415
 416                 if (tree) return tree.setFeedIcon(feed, is_cat, src);
 417
 418         } catch (e) {
 419                 exception_error("setFeedIcon", e);
 420         }
 421 }
 422
 423 function setFeedExpandoIcon(feed, is_cat, src) {
 424         try {
 425                 var tree = dijit.byId("feedTree");
 426
 427                 if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src);
 428
 429         } catch (e) {
 430                 exception_error("setFeedIcon", e);
 431         }
 432         return false;
 433 }
 434
 435 function getNextUnreadFeed(feed, is_cat) {
 436         try {
 437                 var tree = dijit.byId("feedTree");
 438                 var nuf = tree.model.getNextUnreadFeed(feed, is_cat);
 439
 440                 if (nuf)
 441                         return tree.model.store.getValue(nuf, 'bare_id');
 442
 443         } catch (e) {
 444                 exception_error("getNextUnreadFeed", e);
 445         }
 446 }
 447
 448 function catchupCurrentFeed(mode) {
 449         catchupFeed(getActiveFeedId(), activeFeedIsCat(), mode);
 450 }
 451
 452 function catchupFeedInGroup(id) {
 453         try {
 454
 455                 var title = getFeedName(id);
 456
 457                 var str = __("Mark all articles in %s as read?").replace("%s", title);
 458
 459                 if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 460
 461                         var rows = $$("#headlines-frame > div[id*=RROW][data-orig-feed-id='"+id+"']");
 462
 463                         if (rows.length > 0) {
 464
 465                                 rows.each(function (row) {
 466                                         row.removeClassName("Unread");
 467
 468                                         if (row.getAttribute("data-article-id") != getActiveArticleId()) {
 469                                                 new Effect.Fade(row, {duration: 0.5});
 470                                         }
 471
 472                                 });
 473
 474                                 var feedTitles = $$("#headlines-frame > div[class='cdmFeedTitle']");
 475
 476                                 for (var i = 0; i < feedTitles.length; i++) {
 477                                         if (feedTitles[i].getAttribute("data-feed-id") == id) {
 478
 479                                                 if (i < feedTitles.length - 1) {
 480                                                         new Effect.Fade(feedTitles[i], {duration: 0.5});
 481                                                 }
 482
 483                                                 break;
 484                                         }
 485                                 }
 486
 487                                 updateFloatingTitle(true);
 488                         }
 489
 490                         var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" +
 491                                         id + "&is_cat=false";
 492
 493                         console.log(catchup_query);
 494
 495                         notify_progress("Loading, please wait...", true);
 496
 497                         new Ajax.Request("backend.php", {
 498                                 parameters: catchup_query,
 499                                 onComplete: function (transport) {
 500                                         handle_rpc_json(transport);
 501                                 }
 502                         } );
 503
 504                         //return viewCurrentFeed('MarkAllReadGR:' + id);
 505                 }
 506
 507         } catch (e) {
 508                 exception_error("catchupFeedInGroup", e);
 509         }
 510 }
 511
 512 function catchupFeed(feed, is_cat, mode) {
 513         try {
 514                 if (is_cat == undefined) is_cat = false;
 515
 516                 var str = false;
 517
 518                 switch (mode) {
 519                 case "1day":
 520                         str = __("Mark all articles in %s older than 1 day as read?");
 521                         break;
 522                 case "1week":
 523                         str = __("Mark all articles in %s older than 1 week as read?");
 524                         break;
 525                 case "2week":
 526                         str = __("Mark all articles in %s older than 2 weeks as read?");
 527                         break;
 528                 default:
 529                         str = __("Mark all articles in %s as read?");
 530                 }
 531
 532                 var fn = getFeedName(feed, is_cat);
 533
 534                 str = str.replace("%s", fn);
 535
 536                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 537                         return;
 538                 }
 539
 540                 var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" +
 541                         feed + "&is_cat=" + is_cat + "&mode=" + mode;
 542
 543                 console.log(catchup_query);
 544
 545                 notify_progress("Loading, please wait...", true);
 546
 547                 new Ajax.Request("backend.php", {
 548                         parameters: catchup_query,
 549                         onComplete: function(transport) {
 550                                         handle_rpc_json(transport);
 551
 552                                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 553
 554                                         if (show_next_feed) {
 555                                                 var nuf = getNextUnreadFeed(feed, is_cat);
 556
 557                                                 if (nuf) {
 558                                                         viewfeed({feed: nuf, is_cat: is_cat});
 559                                                 }
 560                                         } else {
 561                                                 if (feed == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 562                                                         viewCurrentFeed();
 563                                                 }
 564                                         }
 565
 566                                         notify("");
 567                                 } });
 568
 569         } catch (e) {
 570                 exception_error("catchupFeed", e);
 571         }
 572 }
 573
 574 function decrementFeedCounter(feed, is_cat) {
 575         try {
 576                 var ctr = getFeedUnread(feed, is_cat);
 577
 578                 if (ctr > 0) {
 579                         setFeedUnread(feed, is_cat, ctr - 1);
 580                         global_unread = global_unread - 1;
 581                         updateTitle();
 582
 583                         if (!is_cat) {
 584                                 var cat = parseInt(getFeedCategory(feed));
 585
 586                                 if (!isNaN(cat)) {
 587                                         ctr = getFeedUnread(cat, true);
 588
 589                                         if (ctr > 0) {
 590                                                 setFeedUnread(cat, true, ctr - 1);
 591                                         }
 592                                 }
 593                         }
 594                 }
 595
 596         } catch (e) {
 597                 exception_error("decrement_feed_counter", e);
 598         }
 599 }
 600
 601