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