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