js/feedlist.js

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