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