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