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