js/feedlist.js

   1 var _infscroll_disable = 0;
   2 var _infscroll_request_sent = 0;
   3 var _search_query = false;
   4 var _viewfeed_last = 0;
   5 var _viewfeed_timeout = false;
   6
   7 var counters_last_request = 0;
   8
   9 function viewCategory(cat) {
  10         viewfeed(cat, '', true);
  11         return false;
  12 }
  13
  14 function loadMoreHeadlines() {
  15         try {
  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") {
  38                         offset = num_unread > 0 ? unread_in_buffer : num_all;
  39                 } else {
  40                         offset = num_all;
  41                 }
  42
  43                 console.log("offset: " + offset);
  44
  45                 viewfeed(getActiveFeedId(), '', activeFeedIsCat(), offset, false, true);
  46
  47         } catch (e) {
  48                 exception_error("viewNextFeedPage", e);
  49         }
  50 }
  51
  52
  53 function viewfeed(feed, method, is_cat, offset, background, infscroll_req, can_wait) {
  54         try {
  55                 if (is_cat == undefined)
  56                         is_cat = false;
  57                 else
  58                         is_cat = !!is_cat;
  59
  60                 if (method == undefined) method = '';
  61                 if (offset == undefined) offset = 0;
  62                 if (background == undefined) background = false;
  63                 if (infscroll_req == undefined) infscroll_req = false;
  64
  65                 last_requested_article = 0;
  66
  67                 if (feed != getActiveFeedId() || activeFeedIsCat() != is_cat) {
  68                         if (!background && _search_query) _search_query = false;
  69                 }
  70
  71                 if (!background) {
  72                         _viewfeed_last = get_timestamp();
  73
  74                         if (getActiveFeedId() != feed || offset == 0) {
  75                                 setActiveArticleId(0);
  76                                 _infscroll_disable = 0;
  77                         }
  78
  79                         if (offset != 0 && !method) {
  80                                 var timestamp = get_timestamp();
  81
  82                                 if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
  83                                         //console.log("infscroll request in progress, aborting");
  84                                         return;
  85                                 }
  86
  87                                 _infscroll_request_sent = timestamp;
  88                         }
  89                 }
  90
  91                 Form.enable("main_toolbar_form");
  92
  93                 var toolbar_query = Form.serialize("main_toolbar_form");
  94
  95                 var query = "?op=feeds&method=view&feed=" + param_escape(feed) + "&" +
  96                         toolbar_query;
  97
  98                 if (method) {
  99                         query = query + "&m=" + param_escape(method);
 100                 }
 101
 102                 if (offset > 0) {
 103                         var firstRow = $$('div[id*="RROW-"]').first();
 104
 105                         if (firstRow) {
 106                                 query = query + "&topid=" + param_escape(parseInt(firstRow.id.replace("RROW-", "")));
 107                         }
 108                 }
 109
 110                 if (!background) {
 111                         if (_search_query) {
 112                                 force_nocache = true;
 113                                 query = query + "&" + _search_query;
 114                                 //_search_query = false;
 115                         }
 116
 117                         if (offset != 0) {
 118                                 query = query + "&skip=" + offset;
 119
 120                                 // to prevent duplicate feed titles when showing grouped vfeeds
 121                                 if (vgroup_last_feed) {
 122                                         query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 123                                 }
 124                         } else {
 125                                 if (!method && !is_cat && feed == getActiveFeedId()) {
 126                                         query = query + "&m=ForceUpdate";
 127                                 }
 128                         }
 129
 130                         Form.enable("main_toolbar_form");
 131
 132                         if (!setFeedExpandoIcon(feed, is_cat,
 133                                 (is_cat) ? 'images/indicator_tiny.gif' : 'images/indicator_white.gif'))
 134                                         notify_progress("Loading, please wait...", true);
 135                 }
 136
 137                 query += "&cat=" + is_cat;
 138
 139                 console.log(query);
 140
 141                 if (can_wait && _viewfeed_timeout) {
 142                         setFeedExpandoIcon(getActiveFeedId(), activeFeedIsCat(), 'images/blank_icon.gif');
 143                         clearTimeout(_viewfeed_timeout);
 144                 }
 145
 146                 setActiveFeedId(feed, is_cat);
 147
 148                 timeout_ms = can_wait ? 250 : 0;
 149                 _viewfeed_timeout = setTimeout(function() {
 150
 151                         new Ajax.Request("backend.php", {
 152                                 parameters: query,
 153                                 onComplete: function(transport) {
 154                                         setFeedExpandoIcon(feed, is_cat, 'images/blank_icon.gif');
 155                                         headlines_callback2(transport, offset, background, infscroll_req);
 156                                         PluginHost.run(PluginHost.HOOK_FEED_LOADED, [feed, is_cat]);
 157                                 } });
 158                 }, timeout_ms); // Wait 250ms
 159
 160         } catch (e) {
 161                 exception_error("viewfeed", e);
 162         }
 163 }
 164
 165 function feedlist_init() {
 166         try {
 167                 console.log("in feedlist init");
 168
 169                 loading_set_progress(50);
 170
 171                 document.onkeydown = hotkey_handler;
 172                 setTimeout("hotkey_prefix_timeout()", 5*1000);
 173
 174                 if (!getActiveFeedId()) {
 175                         viewfeed(-3);
 176                 } else {
 177                         viewfeed(getActiveFeedId(), '', activeFeedIsCat());
 178                 }
 179
 180                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 181
 182                 request_counters(true);
 183                 timeout();
 184
 185         } catch (e) {
 186                 exception_error("feedlist/init", e);
 187         }
 188 }
 189
 190
 191 function request_counters(force) {
 192         try {
 193                 var date = new Date();
 194                 var timestamp = Math.round(date.getTime() / 1000);
 195
 196                 if (force || timestamp - counters_last_request > 5) {
 197                         console.log("scheduling request of counters...");
 198
 199                         counters_last_request = timestamp;
 200
 201                         var query = "?op=rpc&method=getAllCounters&seq=" + next_seq();
 202
 203                         if (!force)
 204                                 query = query + "&last_article_id=" + getInitParam("last_article_id");
 205
 206                         console.log(query);
 207
 208                         new Ajax.Request("backend.php", {
 209                                 parameters: query,
 210                                 onComplete: function(transport) {
 211                                         try {
 212                                                 handle_rpc_json(transport);
 213                                         } catch (e) {
 214                                                 exception_error("request_counters", e);
 215                                         }
 216                                 } });
 217
 218                 } else {
 219                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 220                 }
 221
 222         } catch (e) {
 223                 exception_error("request_counters", e);
 224         }
 225 }
 226
 227 function parse_counters(elems, scheduled_call) {
 228         try {
 229                 for (var l = 0; l < elems.length; l++) {
 230
 231                         var id = elems[l].id;
 232                         var kind = elems[l].kind;
 233                         var ctr = parseInt(elems[l].counter);
 234                         var error = elems[l].error;
 235                         var has_img = elems[l].has_img;
 236                         var updated = elems[l].updated;
 237                         var auxctr = parseInt(elems[l].auxcounter);
 238
 239                         if (id == "global-unread") {
 240                                 global_unread = ctr;
 241                                 updateTitle();
 242                                 continue;
 243                         }
 244
 245                         if (id == "subscribed-feeds") {
 246                                 feeds_found = ctr;
 247                                 continue;
 248                         }
 249
 250                         if (getFeedUnread(id, (kind == "cat")) != ctr ||
 251                                         (kind == "cat")) {
 252                         }
 253
 254                         setFeedUnread(id, (kind == "cat"), ctr);
 255                         setFeedValue(id, (kind == "cat"), 'auxcounter', auxctr);
 256
 257                         if (kind != "cat") {
 258                                 setFeedValue(id, false, 'error', error);
 259                                 setFeedValue(id, false, 'updated', updated);
 260
 261                                 if (id > 0) {
 262                                         if (has_img) {
 263                                                 setFeedIcon(id, false,
 264                                                         getInitParam("icons_url") + "/" + id + ".ico");
 265                                         } else {
 266                                                 setFeedIcon(id, false, 'images/blank_icon.gif');
 267                                         }
 268                                 }
 269                         }
 270                 }
 271
 272                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 273
 274         } catch (e) {
 275                 exception_error("parse_counters", e);
 276         }
 277 }
 278
 279 function getFeedUnread(feed, is_cat) {
 280         try {
 281                 var tree = dijit.byId("feedTree");
 282
 283                 if (tree && tree.model)
 284                         return tree.model.getFeedUnread(feed, is_cat);
 285
 286         } catch (e) {
 287                 //
 288         }
 289
 290         return -1;
 291 }
 292
 293 function getFeedCategory(feed) {
 294         try {
 295                 var tree = dijit.byId("feedTree");
 296
 297                 if (tree && tree.model)
 298                         return tree.getFeedCategory(feed);
 299
 300         } catch (e) {
 301                 //
 302         }
 303
 304         return false;
 305 }
 306
 307 function hideOrShowFeeds(hide) {
 308         var tree = dijit.byId("feedTree");
 309
 310         if (tree)
 311                 return tree.hideRead(hide, getInitParam("hide_read_shows_special"));
 312 }
 313
 314 function getFeedName(feed, is_cat) {
 315         var tree = dijit.byId("feedTree");
 316
 317         if (tree && tree.model)
 318                 return tree.model.getFeedValue(feed, is_cat, 'name');
 319 }
 320
 321 function getFeedValue(feed, is_cat, key) {
 322         try {
 323                 var tree = dijit.byId("feedTree");
 324
 325                 if (tree && tree.model)
 326                         return tree.model.getFeedValue(feed, is_cat, key);
 327
 328         } catch (e) {
 329                 //
 330         }
 331         return '';
 332 }
 333
 334 function setFeedUnread(feed, is_cat, unread) {
 335         try {
 336                 var tree = dijit.byId("feedTree");
 337
 338                 if (tree && tree.model)
 339                         return tree.model.setFeedUnread(feed, is_cat, unread);
 340
 341         } catch (e) {
 342                 exception_error("setFeedUnread", e);
 343         }
 344 }
 345
 346 function setFeedValue(feed, is_cat, key, value) {
 347         try {
 348                 var tree = dijit.byId("feedTree");
 349
 350                 if (tree && tree.model)
 351                         return tree.model.setFeedValue(feed, is_cat, key, value);
 352
 353         } catch (e) {
 354                 //
 355         }
 356 }
 357
 358 function selectFeed(feed, is_cat) {
 359         try {
 360                 var tree = dijit.byId("feedTree");
 361
 362                 if (tree) return tree.selectFeed(feed, is_cat);
 363
 364         } catch (e) {
 365                 exception_error("selectFeed", e);
 366         }
 367 }
 368
 369 function setFeedIcon(feed, is_cat, src) {
 370         try {
 371                 var tree = dijit.byId("feedTree");
 372
 373                 if (tree) return tree.setFeedIcon(feed, is_cat, src);
 374
 375         } catch (e) {
 376                 exception_error("setFeedIcon", e);
 377         }
 378 }
 379
 380 function setFeedExpandoIcon(feed, is_cat, src) {
 381         try {
 382                 var tree = dijit.byId("feedTree");
 383
 384                 if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src);
 385
 386         } catch (e) {
 387                 exception_error("setFeedIcon", e);
 388         }
 389         return false;
 390 }
 391
 392 function getNextUnreadFeed(feed, is_cat) {
 393         try {
 394                 var tree = dijit.byId("feedTree");
 395                 var nuf = tree.model.getNextUnreadFeed(feed, is_cat);
 396
 397                 if (nuf)
 398                         return tree.model.store.getValue(nuf, 'bare_id');
 399
 400         } catch (e) {
 401                 exception_error("getNextUnreadFeed", e);
 402         }
 403 }
 404
 405 function catchupCurrentFeed(mode) {
 406         catchupFeed(getActiveFeedId(), activeFeedIsCat(), mode);
 407 }
 408
 409 function catchupFeedInGroup(id) {
 410         try {
 411
 412                 var title = getFeedName(id);
 413
 414                 var str = __("Mark all articles in %s as read?").replace("%s", title);
 415
 416                 if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 417                         return viewCurrentFeed('MarkAllReadGR:' + id);
 418                 }
 419
 420         } catch (e) {
 421                 exception_error("catchupFeedInGroup", e);
 422         }
 423 }
 424
 425 function catchupFeed(feed, is_cat, mode) {
 426         try {
 427                 if (is_cat == undefined) is_cat = false;
 428
 429                 var str = false;
 430
 431                 switch (mode) {
 432                 case "1day":
 433                         str = __("Mark all articles in %s older than 1 day as read?");
 434                         break;
 435                 case "1week":
 436                         str = __("Mark all articles in %s older than 1 week as read?");
 437                         break;
 438                 case "2week":
 439                         str = __("Mark all articles in %s older than 2 weeks as read?");
 440                         break;
 441                 default:
 442                         str = __("Mark all articles in %s as read?");
 443                 }
 444
 445                 var fn = getFeedName(feed, is_cat);
 446
 447                 str = str.replace("%s", fn);
 448
 449                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 450                         return;
 451                 }
 452
 453                 var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" +
 454                         feed + "&is_cat=" + is_cat + "&mode=" + mode;
 455
 456                 console.log(catchup_query);
 457
 458                 notify_progress("Loading, please wait...", true);
 459
 460                 new Ajax.Request("backend.php", {
 461                         parameters: catchup_query,
 462                         onComplete: function(transport) {
 463                                         handle_rpc_json(transport);
 464
 465                                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 466
 467                                         if (show_next_feed) {
 468                                                 var nuf = getNextUnreadFeed(feed, is_cat);
 469
 470                                                 if (nuf) {
 471                                                         viewfeed(nuf, '', is_cat);
 472                                                 }
 473                                         } else {
 474                                                 if (feed == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 475                                                         viewCurrentFeed();
 476                                                 }
 477                                         }
 478
 479                                         notify("");
 480                                 } });
 481
 482         } catch (e) {
 483                 exception_error("catchupFeed", e);
 484         }
 485 }
 486
 487 function decrementFeedCounter(feed, is_cat) {
 488         try {
 489                 var ctr = getFeedUnread(feed, is_cat);
 490
 491                 if (ctr > 0) {
 492                         setFeedUnread(feed, is_cat, ctr - 1);
 493                         global_unread = global_unread - 1;
 494                         updateTitle();
 495
 496                         if (!is_cat) {
 497                                 var cat = parseInt(getFeedCategory(feed));
 498
 499                                 if (!isNaN(cat)) {
 500                                         ctr = getFeedUnread(cat, true);
 501
 502                                         if (ctr > 0) {
 503                                                 setFeedUnread(cat, true, ctr - 1);
 504                                         }
 505                                 }
 506                         }
 507                 }
 508
 509         } catch (e) {
 510                 exception_error("decrement_feed_counter", e);
 511         }
 512 }
 513
 514