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
 223                         if (id == "global-unread") {
 224                                 global_unread = ctr;
 225                                 updateTitle();
 226                                 continue;
 227                         }
 228
 229                         if (id == "subscribed-feeds") {
 230                                 feeds_found = ctr;
 231                                 continue;
 232                         }
 233
 234                         if (getFeedUnread(id, (kind == "cat")) != ctr ||
 235                                         (kind == "cat")) {
 236                         }
 237
 238                         setFeedUnread(id, (kind == "cat"), ctr);
 239
 240                         if (kind != "cat") {
 241                                 setFeedValue(id, false, 'error', error);
 242                                 setFeedValue(id, false, 'updated', updated);
 243
 244                                 if (id > 0) {
 245                                         if (has_img) {
 246                                                 setFeedIcon(id, false,
 247                                                         getInitParam("icons_url") + "/" + id + ".ico");
 248                                         } else {
 249                                                 setFeedIcon(id, false, 'images/blank_icon.gif');
 250                                         }
 251                                 }
 252                         }
 253                 }
 254
 255                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 256
 257         } catch (e) {
 258                 exception_error("parse_counters", e);
 259         }
 260 }
 261
 262 function getFeedUnread(feed, is_cat) {
 263         try {
 264                 var tree = dijit.byId("feedTree");
 265
 266                 if (tree && tree.model)
 267                         return tree.model.getFeedUnread(feed, is_cat);
 268
 269         } catch (e) {
 270                 //
 271         }
 272
 273         return -1;
 274 }
 275
 276 function getFeedCategory(feed) {
 277         try {
 278                 var tree = dijit.byId("feedTree");
 279
 280                 if (tree && tree.model)
 281                         return tree.getFeedCategory(feed);
 282
 283         } catch (e) {
 284                 //
 285         }
 286
 287         return false;
 288 }
 289
 290 function hideOrShowFeeds(hide) {
 291         var tree = dijit.byId("feedTree");
 292
 293         if (tree)
 294                 return tree.hideRead(hide, getInitParam("hide_read_shows_special"));
 295 }
 296
 297 function getFeedName(feed, is_cat) {
 298         var tree = dijit.byId("feedTree");
 299
 300         if (tree && tree.model)
 301                 return tree.model.getFeedValue(feed, is_cat, 'name');
 302 }
 303
 304 function getFeedValue(feed, is_cat, key) {
 305         try {
 306                 var tree = dijit.byId("feedTree");
 307
 308                 if (tree && tree.model)
 309                         return tree.model.getFeedValue(feed, is_cat, key);
 310
 311         } catch (e) {
 312                 //
 313         }
 314         return '';
 315 }
 316
 317 function setFeedUnread(feed, is_cat, unread) {
 318         try {
 319                 var tree = dijit.byId("feedTree");
 320
 321                 if (tree && tree.model)
 322                         return tree.model.setFeedUnread(feed, is_cat, unread);
 323
 324         } catch (e) {
 325                 exception_error("setFeedUnread", e);
 326         }
 327 }
 328
 329 function setFeedValue(feed, is_cat, key, value) {
 330         try {
 331                 var tree = dijit.byId("feedTree");
 332
 333                 if (tree && tree.model)
 334                         return tree.model.setFeedValue(feed, is_cat, key, value);
 335
 336         } catch (e) {
 337                 //
 338         }
 339 }
 340
 341 function selectFeed(feed, is_cat) {
 342         try {
 343                 var tree = dijit.byId("feedTree");
 344
 345                 if (tree) return tree.selectFeed(feed, is_cat);
 346
 347         } catch (e) {
 348                 exception_error("selectFeed", e);
 349         }
 350 }
 351
 352 function setFeedIcon(feed, is_cat, src) {
 353         try {
 354                 var tree = dijit.byId("feedTree");
 355
 356                 if (tree) return tree.setFeedIcon(feed, is_cat, src);
 357
 358         } catch (e) {
 359                 exception_error("setFeedIcon", e);
 360         }
 361 }
 362
 363 function setFeedExpandoIcon(feed, is_cat, src) {
 364         try {
 365                 var tree = dijit.byId("feedTree");
 366
 367                 if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src);
 368
 369         } catch (e) {
 370                 exception_error("setFeedIcon", e);
 371         }
 372         return false;
 373 }
 374
 375 function getNextUnreadFeed(feed, is_cat) {
 376         try {
 377                 var tree = dijit.byId("feedTree");
 378                 var nuf = tree.model.getNextUnreadFeed(feed, is_cat);
 379
 380                 if (nuf)
 381                         return tree.model.store.getValue(nuf, 'bare_id');
 382
 383         } catch (e) {
 384                 exception_error("getNextUnreadFeed", e);
 385         }
 386 }
 387
 388 function catchupCurrentFeed(mode) {
 389         catchupFeed(getActiveFeedId(), activeFeedIsCat(), mode);
 390 }
 391
 392 function catchupFeedInGroup(id) {
 393         try {
 394
 395                 var title = getFeedName(id);
 396
 397                 var str = __("Mark all articles in %s as read?").replace("%s", title);
 398
 399                 if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 400                         return viewCurrentFeed('MarkAllReadGR:' + id);
 401                 }
 402
 403         } catch (e) {
 404                 exception_error("catchupFeedInGroup", e);
 405         }
 406 }
 407
 408 function catchupFeed(feed, is_cat, mode) {
 409         try {
 410                 if (is_cat == undefined) is_cat = false;
 411
 412                 var str = false;
 413
 414                 switch (mode) {
 415                 case "1day":
 416                         str = __("Mark all articles in %s older than 1 day as read?");
 417                         break;
 418                 case "1week":
 419                         str = __("Mark all articles in %s older than 1 week as read?");
 420                         break;
 421                 case "2week":
 422                         str = __("Mark all articles in %s older than 2 weeks as read?");
 423                         break;
 424                 default:
 425                         str = __("Mark all articles in %s as read?");
 426                 }
 427
 428                 var fn = getFeedName(feed, is_cat);
 429
 430                 str = str.replace("%s", fn);
 431
 432                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 433                         return;
 434                 }
 435
 436                 var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" +
 437                         feed + "&is_cat=" + is_cat + "&mode=" + mode;
 438
 439                 console.log(catchup_query);
 440
 441                 notify_progress("Loading, please wait...", true);
 442
 443                 new Ajax.Request("backend.php", {
 444                         parameters: catchup_query,
 445                         onComplete: function(transport) {
 446                                         handle_rpc_json(transport);
 447
 448                                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 449
 450                                         if (show_next_feed) {
 451                                                 var nuf = getNextUnreadFeed(feed, is_cat);
 452
 453                                                 if (nuf) {
 454                                                         viewfeed(nuf, '', is_cat);
 455                                                 }
 456                                         } else {
 457                                                 if (feed == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 458                                                         viewCurrentFeed();
 459                                                 }
 460                                         }
 461
 462                                         notify("");
 463                                 } });
 464
 465         } catch (e) {
 466                 exception_error("catchupFeed", e);
 467         }
 468 }
 469
 470 function decrementFeedCounter(feed, is_cat) {
 471         try {
 472                 var ctr = getFeedUnread(feed, is_cat);
 473
 474                 if (ctr > 0) {
 475                         setFeedUnread(feed, is_cat, ctr - 1);
 476                         global_unread = global_unread - 1;
 477                         updateTitle();
 478
 479                         if (!is_cat) {
 480                                 var cat = parseInt(getFeedCategory(feed));
 481
 482                                 if (!isNaN(cat)) {
 483                                         ctr = getFeedUnread(cat, true);
 484
 485                                         if (ctr > 0) {
 486                                                 setFeedUnread(cat, true, ctr - 1);
 487                                         }
 488                                 }
 489                         }
 490                 }
 491
 492         } catch (e) {
 493                 exception_error("decrement_feed_counter", e);
 494         }
 495 }
 496
 497