feedlist.js

   1 var _feed_cur_page = 0;
   2 var _infscroll_disable = 0;
   3 var _infscroll_request_sent = 0;
   4 var _search_query = false;
   5
   6 var counter_timeout_id = false;
   7
   8 var resize_enabled = false;
   9 var counters_last_request = 0;
  10
  11 function viewCategory(cat) {
  12         viewfeed(cat, '', true);
  13         return false;
  14 }
  15
  16 function viewNextFeedPage() {
  17         try {
  18                 //if (!getActiveFeedId()) return;
  19
  20                 console.log("viewNextFeedPage: calling viewfeed(), p: " + parseInt(_feed_cur_page+1));
  21
  22                 viewfeed(getActiveFeedId(), '', activeFeedIsCat(), parseInt(_feed_cur_page+1));
  23
  24         } catch (e) {
  25                 exception_error("viewNextFeedPage", e);
  26         }
  27 }
  28
  29
  30 function viewfeed(feed, subop, is_cat, offset) {
  31         try {
  32                 if (is_cat == undefined) is_cat = false;
  33                 if (subop == undefined) subop = '';
  34
  35 //              if (!offset) page_offset = 0;
  36
  37                 last_requested_article = 0;
  38                 //counters_last_request = 0;
  39
  40                 if (feed == getActiveFeedId()) {
  41                         cache_invalidate("F:" + feed);
  42                 }
  43
  44 /*              if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
  45                         if (getInitParam("hide_feedlist") == 1) {
  46                                 Element.hide("feeds-holder");
  47                         }
  48                 } */
  49
  50                 dijit.byId("content-tabs").selectChild(
  51                         dijit.byId("content-tabs").getChildren()[0]);
  52
  53                 var force_nocache = false;
  54
  55                 var page_offset = 0;
  56
  57                 if (offset > 0) {
  58                         page_offset = offset;
  59                 } else {
  60                         page_offset = 0;
  61                         _feed_cur_page = 0;
  62                         _infscroll_disable = 0;
  63                 }
  64
  65                 if (getActiveFeedId() != feed) {
  66                         _feed_cur_page = 0;
  67                         active_post_id = 0;
  68                         _infscroll_disable = 0;
  69                 }
  70
  71                 if (page_offset != 0 && !subop) {
  72                         var date = new Date();
  73                         var timestamp = Math.round(date.getTime() / 1000);
  74
  75                         console.log(_infscroll_request_sent + " : " + timestamp);
  76
  77                         if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
  78                                 console.log("infscroll request in progress, aborting");
  79                                 return;
  80                         }
  81
  82                         _infscroll_request_sent = timestamp;
  83                 }
  84
  85                 hideAuxDlg();
  86                 closeInfoBox();
  87
  88                 Form.enable("main_toolbar_form");
  89
  90                 var toolbar_form = document.forms["main_toolbar_form"];
  91                 var toolbar_query = Form.serialize("main_toolbar_form");
  92
  93                 if (toolbar_form.query) {
  94                         if (toolbar_form.query.value != "") {
  95                                 force_nocache = true;
  96                         }
  97                         toolbar_form.query.value = "";
  98                 }
  99
 100                 var query = "?op=viewfeed&feed=" + feed + "&" +
 101                         toolbar_query + "&subop=" + param_escape(subop);
 102
 103                 if (_search_query) {
 104                         force_nocache = true;
 105                         query = query + "&" + _search_query;
 106                         _search_query = false;
 107                 }
 108
 109 //              console.log("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
 110
 111                 if (subop == "MarkAllRead") {
 112
 113                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 114
 115                         if (show_next_feed) {
 116                                 var tree = dijit.byId("feedTree");
 117                                 var nuf = tree.model.getNextUnreadFeed(feed, is_cat);
 118
 119                                 if (nuf) {
 120                                         var nuf_id = tree.model.store.getValue(nuf, 'bare_id');
 121
 122                                         query = query + "&nuf=" + param_escape(nuf_id);
 123                                 }
 124                         }
 125                 }
 126
 127                 if (is_cat) {
 128                         query = query + "&cat=1";
 129                 }
 130
 131                 if (page_offset != 0) {
 132                         query = query + "&skip=" + page_offset;
 133
 134                         // to prevent duplicate feed titles when showing grouped vfeeds
 135                         if (vgroup_last_feed) {
 136                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 137                         }
 138                 }
 139
 140                 Form.enable("main_toolbar_form");
 141
 142                 console.log(query);
 143
 144                 var unread_ctr = -1;
 145
 146                 if (!is_cat) unread_ctr = getFeedUnread(feed);
 147
 148                 var cache_check = false;
 149
 150                 if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
 151
 152                         var cache_prefix = "";
 153
 154                         if (is_cat) {
 155                                 cache_prefix = "C:";
 156                         } else {
 157                                 cache_prefix = "F:";
 158                         }
 159
 160                         cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
 161                         console.log("headline cache check: " + cache_check);
 162                 }
 163
 164                 if (cache_check) {
 165
 166                         setActiveFeedId(feed, is_cat);
 167
 168                         $("headlines-frame").innerHTML = cache_find_param(cache_prefix + feed,
 169                                 unread_ctr);
 170
 171                         request_counters();
 172                         remove_splash();
 173
 174                 } else {
 175
 176                         if (!is_cat) {
 177                                 if (!setFeedExpandoIcon(feed, is_cat, 'images/indicator_white.gif'))
 178                                         notify_progress("Loading, please wait...", true);
 179                         } else {
 180                                 notify_progress("Loading, please wait...", true);
 181                         }
 182
 183                         new Ajax.Request("backend.php", {
 184                                 parameters: query,
 185                                 onComplete: function(transport) {
 186                                         setFeedExpandoIcon(feed, is_cat, 'images/blank_icon.gif');
 187                                         headlines_callback2(transport, page_offset);
 188                                 } });
 189                 }
 190
 191         } catch (e) {
 192                 exception_error("viewfeed", e);
 193         }
 194 }
 195
 196 function feedlist_init() {
 197         try {
 198                 console.log("in feedlist init");
 199
 200                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 201                 document.onkeydown = hotkey_handler;
 202                 setTimeout("hotkey_prefix_timeout()", 5*1000);
 203
 204                  if (!getActiveFeedId()) {
 205                         if (getInitParam("cdm_auto_catchup") != 1) {
 206                                 setTimeout("viewfeed(-3)", 100);
 207                         } else {
 208                                 setTimeout("viewfeed(-5)", 100);
 209                         }
 210                 }
 211
 212                 console.log("T:" +
 213                                 getInitParam("cdm_auto_catchup") + " " + getFeedUnread(-3));
 214
 215                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 216
 217                 setTimeout("timeout()", 5000);
 218
 219         } catch (e) {
 220                 exception_error("feedlist/init", e);
 221         }
 222 }
 223
 224 function request_counters_real() {
 225         try {
 226                 console.log("requesting counters...");
 227
 228                 var query = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
 229
 230                 query = query + "&omode=flc";
 231
 232                 new Ajax.Request("backend.php", {
 233                         parameters: query,
 234                         onComplete: function(transport) {
 235                                 try {
 236                                         handle_rpc_reply(transport);
 237                                 } catch (e) {
 238                                         exception_error("viewfeed/getcounters", e);
 239                                 }
 240                         } });
 241
 242         } catch (e) {
 243                 exception_error("request_counters_real", e);
 244         }
 245 }
 246
 247
 248 function request_counters() {
 249
 250         try {
 251
 252                 if (getInitParam("bw_limit") == "1") return;
 253
 254                 var date = new Date();
 255                 var timestamp = Math.round(date.getTime() / 1000);
 256
 257                 if (timestamp - counters_last_request > 5) {
 258                         console.log("scheduling request of counters...");
 259
 260                         window.clearTimeout(counter_timeout_id);
 261                         counter_timeout_id = window.setTimeout("request_counters_real()", 1000);
 262
 263                         counters_last_request = timestamp;
 264                 } else {
 265                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 266                 }
 267
 268         } catch (e) {
 269                 exception_error("request_counters", e);
 270         }
 271 }
 272
 273 function displayNewContentPrompt(id) {
 274         try {
 275
 276                 var msg = "<a href='#' onclick='viewCurrentFeed()'>" +
 277                         __("New articles available in this feed (click to show)") + "</a>";
 278
 279                 msg = msg.replace("%s", getFeedName(id));
 280
 281                 $('auxDlg').innerHTML = msg;
 282
 283                 new Effect.Appear('auxDlg', {duration : 0.5});
 284
 285         } catch (e) {
 286                 exception_error("displayNewContentPrompt", e);
 287         }
 288 }
 289
 290 function parse_counters(reply, scheduled_call) {
 291         try {
 292
 293                 var feeds_found = 0;
 294
 295                 var elems = JSON.parse(reply.firstChild.nodeValue);
 296
 297                 for (var l = 0; l < elems.length; l++) {
 298
 299                         var id = elems[l].id
 300                         var kind = elems[l].kind;
 301                         var ctr = parseInt(elems[l].counter)
 302                         var error = elems[l].error;
 303                         var has_img = elems[l].has_img;
 304                         var updated = elems[l].updated;
 305                         var title = elems[l].title;
 306
 307                         if (id == "global-unread") {
 308                                 global_unread = ctr;
 309                                 updateTitle();
 310                                 continue;
 311                         }
 312
 313                         if (id == "subscribed-feeds") {
 314                                 feeds_found = ctr;
 315                                 continue;
 316                         }
 317
 318                         var treeItem;
 319
 320                         // TODO: enable new content notification for categories
 321
 322                         if (!activeFeedIsCat() && id == getActiveFeedId()
 323                                         && ctr > getFeedUnread(id) && scheduled_call) {
 324                                 displayNewContentPrompt(id);
 325                         }
 326
 327                         setFeedUnread(id, (kind == "cat"), ctr);
 328
 329                         if (kind != "cat") {
 330                                 //setFeedValue(id, false, 'error', error);
 331                                 setFeedValue(id, false, 'updated', updated);
 332
 333                                 if (id > 0) {
 334                                         if (has_img) {
 335                                                 setFeedIcon(id, false,
 336                                                         getInitParam("icons_url") + "/" + id + ".ico");
 337                                         } else {
 338                                                 setFeedIcon(id, false, 'images/blank_icon.gif');
 339                                         }
 340                                 }
 341                         }
 342                 }
 343
 344                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 345
 346                 var feeds_stored = number_of_feeds;
 347
 348                 if (feeds_stored != feeds_found) {
 349                         number_of_feeds = feeds_found;
 350
 351                         if (feeds_stored != 0 && feeds_found != 0) {
 352                                 console.log("Subscribed feed number changed, refreshing feedlist");
 353                                 setTimeout('updateFeedList()', 50);
 354                         }
 355                 }
 356
 357         } catch (e) {
 358                 exception_error("parse_counters", e);
 359         }
 360 }
 361
 362 function getFeedUnread(feed, is_cat) {
 363         try {
 364                 var tree = dijit.byId("feedTree");
 365
 366                 if (tree && tree.model)
 367                         return tree.model.getFeedUnread(feed, is_cat);
 368
 369         } catch (e) {
 370                 //
 371         }
 372
 373         return -1;
 374 }
 375
 376 function resort_feedlist() {
 377         console.warn("resort_feedlist: function not implemented");
 378 }
 379
 380 function hideOrShowFeeds(hide) {
 381         var tree = dijit.byId("feedTree");
 382
 383         if (tree)
 384                 return tree.hideRead(hide, getInitParam("hide_read_shows_special"));
 385 }
 386
 387 function getFeedName(feed, is_cat) {
 388         var tree = dijit.byId("feedTree");
 389
 390         if (tree && tree.model)
 391                 return tree.model.getFeedValue(feed, is_cat, 'name');
 392 }
 393
 394 function getFeedValue(feed, is_cat, key) {
 395         try {
 396                 var tree = dijit.byId("feedTree");
 397
 398                 if (tree && tree.model)
 399                         return tree.model.getFeedValue(feed, is_cat, key);
 400
 401         } catch (e) {
 402                 //
 403         }
 404         return '';
 405 }
 406
 407 function setFeedUnread(feed, is_cat, unread) {
 408         try {
 409                 var tree = dijit.byId("feedTree");
 410
 411                 if (tree && tree.model)
 412                         return tree.model.setFeedUnread(feed, is_cat, unread);
 413
 414         } catch (e) {
 415                 exception_error("setFeedUnread", e);
 416         }
 417 }
 418
 419 function setFeedValue(feed, is_cat, key, value) {
 420         try {
 421                 var tree = dijit.byId("feedTree");
 422
 423                 if (tree && tree.model)
 424                         return tree.model.setFeedValue(feed, is_cat, key, value);
 425
 426         } catch (e) {
 427                 //
 428         }
 429 }
 430
 431 function selectFeed(feed, is_cat) {
 432         try {
 433                 var tree = dijit.byId("feedTree");
 434
 435                 if (tree) return tree.selectFeed(feed, is_cat);
 436
 437         } catch (e) {
 438                 exception_error("selectFeed", e);
 439         }
 440 }
 441
 442 function setFeedIcon(feed, is_cat, src) {
 443         try {
 444                 var tree = dijit.byId("feedTree");
 445
 446                 if (tree) return tree.setFeedIcon(feed, is_cat, src);
 447
 448         } catch (e) {
 449                 exception_error("setFeedIcon", e);
 450         }
 451 }
 452
 453 function setFeedExpandoIcon(feed, is_cat, src) {
 454         try {
 455                 var tree = dijit.byId("feedTree");
 456
 457                 if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src);
 458
 459         } catch (e) {
 460                 exception_error("setFeedIcon", e);
 461         }
 462         return false;
 463 }