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