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