js/feedlist.js

   1 var _infscroll_disable = 0;
   2 var _infscroll_request_sent = 0;
   3 var _infscroll_tmp_disable = 0;
   4
   5 var _search_query = false;
   6 var _viewfeed_last = 0;
   7 var _viewfeed_timeout = false;
   8
   9 var counters_last_request = 0;
  10
  11 function viewCategory(cat) {
  12         viewfeed(cat, '', true);
  13         return false;
  14 }
  15
  16 function loadMoreHeadlines() {
  17         try {
  18                 console.log("loadMoreHeadlines: " + _infscroll_tmp_disable);
  19
  20                 if (_infscroll_tmp_disable) return;
  21
  22                 var offset = 0;
  23
  24                 var view_mode = document.forms["main_toolbar_form"].view_mode.value;
  25                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length;
  26                 var num_all = $$("#headlines-frame > div[id*=RROW]").length;
  27                 var num_unread = getFeedUnread(getActiveFeedId(), activeFeedIsCat());
  28
  29                 // TODO implement marked & published
  30
  31                 if (view_mode == "marked") {
  32                         console.warn("loadMoreHeadlines: marked is not implemented, falling back.");
  33                         offset = num_all;
  34                 } else if (view_mode == "published") {
  35                         console.warn("loadMoreHeadlines: published is not implemented, falling back.");
  36                         offset = num_all;
  37                 } else if (view_mode == "unread") {
  38                         offset = unread_in_buffer;
  39                 } else if (_search_query) {
  40                         offset = num_all;
  41                 } else if (view_mode == "adaptive") {
  42                         offset = num_unread > 0 ? unread_in_buffer : num_all;
  43                 } else {
  44                         offset = num_all;
  45                 }
  46
  47                 console.log("offset: " + offset);
  48
  49                 viewfeed(getActiveFeedId(), '', activeFeedIsCat(), offset, false, true);
  50
  51         } catch (e) {
  52                 exception_error("viewNextFeedPage", e);
  53         }
  54 }
  55
  56
  57 function viewfeed(feed, method, is_cat, offset, background, infscroll_req, can_wait) {
  58         try {
  59                 if (is_cat == undefined)
  60                         is_cat = false;
  61                 else
  62                         is_cat = !!is_cat;
  63
  64                 if (method == undefined) method = '';
  65                 if (offset == undefined) offset = 0;
  66                 if (background == undefined) background = false;
  67                 if (infscroll_req == undefined) infscroll_req = false;
  68
  69                 last_requested_article = 0;
  70
  71                 if (feed != getActiveFeedId() || activeFeedIsCat() != is_cat) {
  72                         if (!background && _search_query) _search_query = false;
  73                 }
  74
  75                 if (!background) {
  76                         _viewfeed_last = get_timestamp();
  77
  78                         if (getActiveFeedId() != feed || offset == 0) {
  79                                 setActiveArticleId(0);
  80                                 _infscroll_disable = 0;
  81                         }
  82
  83                         if (offset != 0 && !method) {
  84                                 var timestamp = get_timestamp();
  85
  86                                 if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
  87                                         //console.log("infscroll request in progress, aborting");
  88                                         return;
  89                                 }
  90
  91                                 _infscroll_request_sent = timestamp;
  92                         }
  93                 }
  94
  95                 Form.enable("main_toolbar_form");
  96
  97                 var toolbar_query = Form.serialize("main_toolbar_form");
  98
  99                 var query = "?op=feeds&method=view&feed=" + param_escape(feed) + "&" +
 100                         toolbar_query;
 101
 102                 if (method) {
 103                         query = query + "&m=" + param_escape(method);
 104                 }
 105
 106                 if (offset > 0) {
 107                         if (current_first_id) {
 108                                 query = query + "&fid=" + param_escape(current_first_id);
 109                         }
 110                 }
 111
 112                 if (!background) {
 113                         if (_search_query) {
 114                                 force_nocache = true;
 115                                 query = query + "&" + _search_query;
 116                                 //_search_query = false;
 117                         }
 118
 119                         if (offset != 0) {
 120                                 query = query + "&skip=" + offset;
 121
 122                                 // to prevent duplicate feed titles when showing grouped vfeeds
 123                                 if (vgroup_last_feed) {
 124                                         query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 125                                 }
 126                         } else {
 127                                 if (!method && !is_cat && feed == getActiveFeedId()) {
 128                                         query = query + "&m=ForceUpdate";
 129                                 }
 130                         }
 131
 132                         Form.enable("main_toolbar_form");
 133
 134                         if (!setFeedExpandoIcon(feed, is_cat,
 135                                 (is_cat) ? 'images/indicator_tiny.gif' : 'images/indicator_white.gif'))
 136                                         notify_progress("Loading, please wait...", true);
 137                 }
 138
 139                 query += "&cat=" + is_cat;
 140
 141                 console.log(query);
 142
 143                 if (can_wait && _viewfeed_timeout) {
 144                         setFeedExpandoIcon(getActiveFeedId(), activeFeedIsCat(), 'images/blank_icon.gif');
 145                         clearTimeout(_viewfeed_timeout);
 146                 }
 147
 148                 setActiveFeedId(feed, is_cat);
 149
 150                 timeout_ms = can_wait ? 250 : 0;
 151                 _viewfeed_timeout = setTimeout(function() {
 152
 153                         new Ajax.Request("backend.php", {
 154                                 parameters: query,
 155                                 onComplete: function(transport) {
 156                                         setFeedExpandoIcon(feed, is_cat, 'images/blank_icon.gif');
 157                                         headlines_callback2(transport, offset, background, infscroll_req);
 158                                         PluginHost.run(PluginHost.HOOK_FEED_LOADED, [feed, is_cat]);
 159                                 } });
 160                 }, timeout_ms); // Wait 250ms
 161
 162         } catch (e) {
 163                 exception_error("viewfeed", e);
 164         }
 165 }
 166
 167 function feedlist_init() {
 168         try {
 169                 console.log("in feedlist init");
 170
 171                 loading_set_progress(50);
 172
 173                 document.onkeydown = hotkey_handler;
 174                 setTimeout("hotkey_prefix_timeout()", 5*1000);
 175
 176                 if (!getActiveFeedId()) {
 177                         viewfeed(-3);
 178                 } else {
 179                         viewfeed(getActiveFeedId(), '', activeFeedIsCat());
 180                 }
 181
 182                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 183
 184                 request_counters(true);
 185                 timeout();
 186
 187         } catch (e) {
 188                 exception_error("feedlist/init", e);
 189         }
 190 }
 191
 192
 193 function request_counters(force) {
 194         try {
 195                 var date = new Date();
 196                 var timestamp = Math.round(date.getTime() / 1000);
 197
 198                 if (force || timestamp - counters_last_request > 5) {
 199                         console.log("scheduling request of counters...");
 200
 201                         counters_last_request = timestamp;
 202
 203                         var query = "?op=rpc&method=getAllCounters&seq=" + next_seq();
 204
 205                         if (!force)
 206                                 query = query + "&last_article_id=" + getInitParam("last_article_id");
 207
 208                         console.log(query);
 209
 210                         new Ajax.Request("backend.php", {
 211                                 parameters: query,
 212                                 onComplete: function(transport) {
 213                                         try {
 214                                                 handle_rpc_json(transport);
 215                                         } catch (e) {
 216                                                 exception_error("request_counters", e);
 217                                         }
 218                                 } });
 219
 220                 } else {
 221                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 222                 }
 223
 224         } catch (e) {
 225                 exception_error("request_counters", e);
 226         }
 227 }
 228
 229 function parse_counters(elems, scheduled_call) {
 230         try {
 231                 for (var l = 0; l < elems.length; l++) {
 232
 233                         var id = elems[l].id;
 234                         var kind = elems[l].kind;
 235                         var ctr = parseInt(elems[l].counter);
 236                         var error = elems[l].error;
 237                         var has_img = elems[l].has_img;
 238                         var updated = elems[l].updated;
 239                         var auxctr = parseInt(elems[l].auxcounter);
 240
 241                         if (id == "global-unread") {
 242                                 global_unread = ctr;
 243                                 updateTitle();
 244                                 continue;
 245                         }
 246
 247                         if (id == "subscribed-feeds") {
 248                                 feeds_found = ctr;
 249                                 continue;
 250                         }
 251
 252                         if (getFeedUnread(id, (kind == "cat")) != ctr ||
 253                                         (kind == "cat")) {
 254                         }
 255
 256                         setFeedUnread(id, (kind == "cat"), ctr);
 257                         setFeedValue(id, (kind == "cat"), 'auxcounter', auxctr);
 258
 259                         if (kind != "cat") {
 260                                 setFeedValue(id, false, 'error', error);
 261                                 setFeedValue(id, false, 'updated', updated);
 262
 263                                 if (id > 0) {
 264                                         if (has_img) {
 265                                                 setFeedIcon(id, false,
 266                                                         getInitParam("icons_url") + "/" + id + ".ico");
 267                                         } else {
 268                                                 setFeedIcon(id, false, 'images/blank_icon.gif');
 269                                         }
 270                                 }
 271                         }
 272                 }
 273
 274                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 275
 276         } catch (e) {
 277                 exception_error("parse_counters", e);
 278         }
 279 }
 280
 281 function getFeedUnread(feed, is_cat) {
 282         try {
 283                 var tree = dijit.byId("feedTree");
 284
 285                 if (tree && tree.model)
 286                         return tree.model.getFeedUnread(feed, is_cat);
 287
 288         } catch (e) {
 289                 //
 290         }
 291
 292         return -1;
 293 }
 294
 295 function getFeedCategory(feed) {
 296         try {
 297                 var tree = dijit.byId("feedTree");
 298
 299                 if (tree && tree.model)
 300                         return tree.getFeedCategory(feed);
 301
 302         } catch (e) {
 303                 //
 304         }
 305
 306         return false;
 307 }
 308
 309 function hideOrShowFeeds(hide) {
 310         var tree = dijit.byId("feedTree");
 311
 312         if (tree)
 313                 return tree.hideRead(hide, getInitParam("hide_read_shows_special"));
 314 }
 315
 316 function getFeedName(feed, is_cat) {
 317         var tree = dijit.byId("feedTree");
 318
 319         if (tree && tree.model)
 320                 return tree.model.getFeedValue(feed, is_cat, 'name');
 321 }
 322
 323 function getFeedValue(feed, is_cat, key) {
 324         try {
 325                 var tree = dijit.byId("feedTree");
 326
 327                 if (tree && tree.model)
 328                         return tree.model.getFeedValue(feed, is_cat, key);
 329
 330         } catch (e) {
 331                 //
 332         }
 333         return '';
 334 }
 335
 336 function setFeedUnread(feed, is_cat, unread) {
 337         try {
 338                 var tree = dijit.byId("feedTree");
 339
 340                 if (tree && tree.model)
 341                         return tree.model.setFeedUnread(feed, is_cat, unread);
 342
 343         } catch (e) {
 344                 exception_error("setFeedUnread", e);
 345         }
 346 }
 347
 348 function setFeedValue(feed, is_cat, key, value) {
 349         try {
 350                 var tree = dijit.byId("feedTree");
 351
 352                 if (tree && tree.model)
 353                         return tree.model.setFeedValue(feed, is_cat, key, value);
 354
 355         } catch (e) {
 356                 //
 357         }
 358 }
 359
 360 function selectFeed(feed, is_cat) {
 361         try {
 362                 var tree = dijit.byId("feedTree");
 363
 364                 if (tree) return tree.selectFeed(feed, is_cat);
 365
 366         } catch (e) {
 367                 exception_error("selectFeed", e);
 368         }
 369 }
 370
 371 function setFeedIcon(feed, is_cat, src) {
 372         try {
 373                 var tree = dijit.byId("feedTree");
 374
 375                 if (tree) return tree.setFeedIcon(feed, is_cat, src);
 376
 377         } catch (e) {
 378                 exception_error("setFeedIcon", e);
 379         }
 380 }
 381
 382 function setFeedExpandoIcon(feed, is_cat, src) {
 383         try {
 384                 var tree = dijit.byId("feedTree");
 385
 386                 if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src);
 387
 388         } catch (e) {
 389                 exception_error("setFeedIcon", e);
 390         }
 391         return false;
 392 }
 393
 394 function getNextUnreadFeed(feed, is_cat) {
 395         try {
 396                 var tree = dijit.byId("feedTree");
 397                 var nuf = tree.model.getNextUnreadFeed(feed, is_cat);
 398
 399                 if (nuf)
 400                         return tree.model.store.getValue(nuf, 'bare_id');
 401
 402         } catch (e) {
 403                 exception_error("getNextUnreadFeed", e);
 404         }
 405 }
 406
 407 function catchupCurrentFeed(mode) {
 408         catchupFeed(getActiveFeedId(), activeFeedIsCat(), mode);
 409 }
 410
 411 function catchupFeedInGroup(id) {
 412         try {
 413
 414                 var title = getFeedName(id);
 415
 416                 var str = __("Mark all articles in %s as read?").replace("%s", title);
 417
 418                 if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 419                         return viewCurrentFeed('MarkAllReadGR:' + id);
 420                 }
 421
 422         } catch (e) {
 423                 exception_error("catchupFeedInGroup", e);
 424         }
 425 }
 426
 427 function catchupFeed(feed, is_cat, mode) {
 428         try {
 429                 if (is_cat == undefined) is_cat = false;
 430
 431                 var str = false;
 432
 433                 switch (mode) {
 434                 case "1day":
 435                         str = __("Mark all articles in %s older than 1 day as read?");
 436                         break;
 437                 case "1week":
 438                         str = __("Mark all articles in %s older than 1 week as read?");
 439                         break;
 440                 case "2week":
 441                         str = __("Mark all articles in %s older than 2 weeks as read?");
 442                         break;
 443                 default:
 444                         str = __("Mark all articles in %s as read?");
 445                 }
 446
 447                 var fn = getFeedName(feed, is_cat);
 448
 449                 str = str.replace("%s", fn);
 450
 451                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 452                         return;
 453                 }
 454
 455                 var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" +
 456                         feed + "&is_cat=" + is_cat + "&mode=" + mode;
 457
 458                 console.log(catchup_query);
 459
 460                 notify_progress("Loading, please wait...", true);
 461
 462                 new Ajax.Request("backend.php", {
 463                         parameters: catchup_query,
 464                         onComplete: function(transport) {
 465                                         handle_rpc_json(transport);
 466
 467                                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 468
 469                                         if (show_next_feed) {
 470                                                 var nuf = getNextUnreadFeed(feed, is_cat);
 471
 472                                                 if (nuf) {
 473                                                         viewfeed(nuf, '', is_cat);
 474                                                 }
 475                                         } else {
 476                                                 if (feed == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 477                                                         viewCurrentFeed();
 478                                                 }
 479                                         }
 480
 481                                         notify("");
 482                                 } });
 483
 484         } catch (e) {
 485                 exception_error("catchupFeed", e);
 486         }
 487 }
 488
 489 function decrementFeedCounter(feed, is_cat) {
 490         try {
 491                 var ctr = getFeedUnread(feed, is_cat);
 492
 493                 if (ctr > 0) {
 494                         setFeedUnread(feed, is_cat, ctr - 1);
 495                         global_unread = global_unread - 1;
 496                         updateTitle();
 497
 498                         if (!is_cat) {
 499                                 var cat = parseInt(getFeedCategory(feed));
 500
 501                                 if (!isNaN(cat)) {
 502                                         ctr = getFeedUnread(cat, true);
 503
 504                                         if (ctr > 0) {
 505                                                 setFeedUnread(cat, true, ctr - 1);
 506                                         }
 507                                 }
 508                         }
 509                 }
 510
 511         } catch (e) {
 512                 exception_error("decrement_feed_counter", e);
 513         }
 514 }
 515
 516