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