feedlist.js

   1 var _feed_cur_page = 0;
   2 var _infscroll_disable = 0;
   3 var _infscroll_request_sent = 0;
   4
   5 var counter_timeout_id = false;
   6
   7 var resize_enabled = false;
   8 var counters_last_request = 0;
   9
  10 function viewCategory(cat) {
  11         viewfeed(cat, '', true);
  12         return false;
  13 }
  14
  15 function viewNextFeedPage() {
  16         try {
  17                 //if (!getActiveFeedId()) return;
  18
  19                 console.log("viewNextFeedPage: calling viewfeed(), p: " + parseInt(_feed_cur_page+1));
  20
  21                 viewfeed(getActiveFeedId(), '', activeFeedIsCat(), parseInt(_feed_cur_page+1));
  22
  23         } catch (e) {
  24                 exception_error("viewNextFeedPage", e);
  25         }
  26 }
  27
  28
  29 function viewfeed(feed, subop, is_cat, offset) {
  30         try {
  31                 if (is_cat == undefined) is_cat = false;
  32                 if (subop == undefined) subop = '';
  33
  34 //              if (!offset) page_offset = 0;
  35
  36                 last_requested_article = 0;
  37                 //counters_last_request = 0;
  38
  39                 if (feed == getActiveFeedId()) {
  40                         cache_invalidate("F:" + feed);
  41                 }
  42
  43 /*              if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
  44                         if (getInitParam("hide_feedlist") == 1) {
  45                                 Element.hide("feeds-holder");
  46                         }
  47                 } */
  48
  49                 dijit.byId("content-tabs").selectChild(
  50                         dijit.byId("content-tabs").getChildren()[0]);
  51
  52                 var force_nocache = false;
  53
  54                 var page_offset = 0;
  55
  56                 if (offset > 0) {
  57                         page_offset = offset;
  58                 } else {
  59                         page_offset = 0;
  60                         _feed_cur_page = 0;
  61                         _infscroll_disable = 0;
  62                 }
  63
  64                 if (getActiveFeedId() != feed) {
  65                         _feed_cur_page = 0;
  66                         active_post_id = 0;
  67                         _infscroll_disable = 0;
  68                 }
  69
  70                 if (page_offset != 0 && !subop) {
  71                         var date = new Date();
  72                         var timestamp = Math.round(date.getTime() / 1000);
  73
  74                         console.log(_infscroll_request_sent + " : " + timestamp);
  75
  76                         if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
  77                                 console.log("infscroll request in progress, aborting");
  78                                 return;
  79                         }
  80
  81                         _infscroll_request_sent = timestamp;
  82                 }
  83
  84                 enableHotkeys();
  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_form")) {
 104                         var search_query = Form.serialize("search_form");
 105                         query = query + "&" + search_query;
 106                         $("search_form").query.value = "";
 107                         closeInfoBox(true);
 108                         force_nocache = true;
 109                 }
 110
 111 //              console.log("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
 112
 113                 if (subop == "MarkAllRead") {
 114
 115                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 116
 117                         if (show_next_feed) {
 118                                 var tree = dijit.byId("feedTree");
 119                                 var nuf = tree.model.getNextUnreadFeed(feed, is_cat);
 120
 121                                 if (nuf) {
 122                                         var nuf_id = tree.model.store.getValue(nuf, 'bare_id');
 123
 124                                         query = query + "&nuf=" + param_escape(nuf_id);
 125                                 }
 126                         }
 127                 }
 128
 129                 if (is_cat) {
 130                         query = query + "&cat=1";
 131                 }
 132
 133                 if (page_offset != 0) {
 134                         query = query + "&skip=" + page_offset;
 135
 136                         // to prevent duplicate feed titles when showing grouped vfeeds
 137                         if (vgroup_last_feed) {
 138                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 139                         }
 140                 }
 141
 142                 Form.enable("main_toolbar_form");
 143
 144                 console.log(query);
 145
 146                 var unread_ctr = -1;
 147
 148                 if (!is_cat) unread_ctr = getFeedUnread(feed);
 149
 150                 var cache_check = false;
 151
 152                 if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
 153
 154                         var cache_prefix = "";
 155
 156                         if (is_cat) {
 157                                 cache_prefix = "C:";
 158                         } else {
 159                                 cache_prefix = "F:";
 160                         }
 161
 162                         cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
 163                         console.log("headline cache check: " + cache_check);
 164                 }
 165
 166                 if (cache_check) {
 167
 168                         setActiveFeedId(feed, is_cat);
 169
 170                         $("headlines-frame").innerHTML = cache_find_param(cache_prefix + feed,
 171                                 unread_ctr);
 172
 173                         request_counters();
 174                         remove_splash();
 175
 176                 } else {
 177
 178                         if (!is_cat) {
 179                                 if (!setFeedExpandoIcon(feed, is_cat, 'images/indicator_white.gif'))
 180                                         notify_progress("Loading, please wait...", true);
 181                         } else {
 182                                 notify_progress("Loading, please wait...", true);
 183                         }
 184
 185                         new Ajax.Request("backend.php", {
 186                                 parameters: query,
 187                                 onComplete: function(transport) {
 188                                         setFeedExpandoIcon(feed, is_cat, 'images/blank_icon.gif');
 189                                         headlines_callback2(transport, page_offset);
 190                                 } });
 191                 }
 192
 193         } catch (e) {
 194                 exception_error("viewfeed", e);
 195         }
 196 }
 197
 198 function feedlist_init() {
 199         try {
 200                 console.log("in feedlist init");
 201
 202                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 203                 document.onkeydown = hotkey_handler;
 204                 setTimeout("hotkey_prefix_timeout()", 5*1000);
 205
 206                  if (!getActiveFeedId()) {
 207                         if (getInitParam("cdm_auto_catchup") != 1) {
 208                                 setTimeout("viewfeed(-3)", 100);
 209                         } else {
 210                                 setTimeout("viewfeed(-5)", 100);
 211                         }
 212                 }
 213
 214                 console.log("T:" +
 215                                 getInitParam("cdm_auto_catchup") + " " + getFeedUnread(-3));
 216
 217                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 218
 219                 setTimeout("timeout()", 5000);
 220
 221         } catch (e) {
 222                 exception_error("feedlist/init", e);
 223         }
 224 }
 225
 226 function request_counters_real() {
 227         try {
 228                 console.log("requesting counters...");
 229
 230                 var query = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
 231
 232                 query = query + "&omode=flc";
 233
 234                 new Ajax.Request("backend.php", {
 235                         parameters: query,
 236                         onComplete: function(transport) {
 237                                 try {
 238                                         handle_rpc_reply(transport);
 239                                 } catch (e) {
 240                                         exception_error("viewfeed/getcounters", e);
 241                                 }
 242                         } });
 243
 244         } catch (e) {
 245                 exception_error("request_counters_real", e);
 246         }
 247 }
 248
 249
 250 function request_counters() {
 251
 252         try {
 253
 254                 if (getInitParam("bw_limit") == "1") return;
 255
 256                 var date = new Date();
 257                 var timestamp = Math.round(date.getTime() / 1000);
 258
 259                 if (timestamp - counters_last_request > 5) {
 260                         console.log("scheduling request of counters...");
 261
 262                         window.clearTimeout(counter_timeout_id);
 263                         counter_timeout_id = window.setTimeout("request_counters_real()", 1000);
 264
 265                         counters_last_request = timestamp;
 266                 } else {
 267                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 268                 }
 269
 270         } catch (e) {
 271                 exception_error("request_counters", e);
 272         }
 273 }
 274
 275 function displayNewContentPrompt(id) {
 276         try {
 277
 278                 var msg = "<a href='#' onclick='viewCurrentFeed()'>" +
 279                         __("New articles available in this feed (click to show)") + "</a>";
 280
 281                 msg = msg.replace("%s", getFeedName(id));
 282
 283                 $('auxDlg').innerHTML = msg;
 284
 285                 new Effect.Appear('auxDlg', {duration : 0.5});
 286
 287         } catch (e) {
 288                 exception_error("displayNewContentPrompt", e);
 289         }
 290 }
 291
 292 function parse_counters(reply, scheduled_call) {
 293         try {
 294
 295                 var feeds_found = 0;
 296
 297                 var elems = JSON.parse(reply.firstChild.nodeValue);
 298
 299                 for (var l = 0; l < elems.length; l++) {
 300
 301                         var id = elems[l].id
 302                         var kind = elems[l].kind;
 303                         var ctr = parseInt(elems[l].counter)
 304                         var error = elems[l].error;
 305                         var has_img = elems[l].has_img;
 306                         var updated = elems[l].updated;
 307                         var title = elems[l].title;
 308
 309                         if (id == "global-unread") {
 310                                 global_unread = ctr;
 311                                 updateTitle();
 312                                 continue;
 313                         }
 314
 315                         if (id == "subscribed-feeds") {
 316                                 feeds_found = ctr;
 317                                 continue;
 318                         }
 319
 320                         var treeItem;
 321
 322                         // TODO: enable new content notification for categories
 323
 324                         if (!activeFeedIsCat() && id == getActiveFeedId()
 325                                         && ctr > getFeedUnread(id) && scheduled_call) {
 326                                 displayNewContentPrompt(id);
 327                         }
 328
 329                         setFeedUnread(id, (kind == "cat"), ctr);
 330
 331                         if (kind != "cat") {
 332                                 //setFeedValue(id, false, 'error', error);
 333                                 setFeedValue(id, false, 'updated', updated);
 334
 335                                 if (id > 0) {
 336                                         if (has_img) {
 337                                                 setFeedIcon(id, false,
 338                                                         getInitParam("icons_url") + "/" + id + ".ico");
 339                                         } else {
 340                                                 setFeedIcon(id, false, 'images/blank_icon.gif');
 341                                         }
 342                                 }
 343                         }
 344                 }
 345
 346                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 347
 348                 var feeds_stored = number_of_feeds;
 349
 350                 if (feeds_stored != feeds_found) {
 351                         number_of_feeds = feeds_found;
 352
 353                         if (feeds_stored != 0 && feeds_found != 0) {
 354                                 console.log("Subscribed feed number changed, refreshing feedlist");
 355                                 setTimeout('updateFeedList()', 50);
 356                         }
 357                 }
 358
 359         } catch (e) {
 360                 exception_error("parse_counters", e);
 361         }
 362 }
 363
 364 function getFeedUnread(feed, is_cat) {
 365         try {
 366                 var tree = dijit.byId("feedTree");
 367
 368                 if (tree && tree.model)
 369                         return tree.model.getFeedUnread(feed, is_cat);
 370
 371         } catch (e) {
 372                 //
 373         }
 374
 375         return -1;
 376 }
 377
 378 function resort_feedlist() {
 379         console.warn("resort_feedlist: function not implemented");
 380 }
 381
 382 function hideOrShowFeeds(hide) {
 383         var tree = dijit.byId("feedTree");
 384
 385         if (tree)
 386                 return tree.hideRead(hide, getInitParam("hide_read_shows_special"));
 387 }
 388
 389 function getFeedName(feed, is_cat) {
 390         var tree = dijit.byId("feedTree");
 391
 392         if (tree && tree.model)
 393                 return tree.model.getFeedValue(feed, is_cat, 'name');
 394 }
 395
 396 function getFeedValue(feed, is_cat, key) {
 397         try {
 398                 var tree = dijit.byId("feedTree");
 399
 400                 if (tree && tree.model)
 401                         return tree.model.getFeedValue(feed, is_cat, key);
 402
 403         } catch (e) {
 404                 //
 405         }
 406         return '';
 407 }
 408
 409 function setFeedUnread(feed, is_cat, unread) {
 410         try {
 411                 var tree = dijit.byId("feedTree");
 412
 413                 if (tree && tree.model)
 414                         return tree.model.setFeedUnread(feed, is_cat, unread);
 415
 416         } catch (e) {
 417                 exception_error("setFeedUnread", e);
 418         }
 419 }
 420
 421 function setFeedValue(feed, is_cat, key, value) {
 422         try {
 423                 var tree = dijit.byId("feedTree");
 424
 425                 if (tree && tree.model)
 426                         return tree.model.setFeedValue(feed, is_cat, key, value);
 427
 428         } catch (e) {
 429                 //
 430         }
 431 }
 432
 433 function selectFeed(feed, is_cat) {
 434         try {
 435                 var tree = dijit.byId("feedTree");
 436
 437                 if (tree) return tree.selectFeed(feed, is_cat);
 438
 439         } catch (e) {
 440                 exception_error("selectFeed", e);
 441         }
 442 }
 443
 444 function setFeedIcon(feed, is_cat, src) {
 445         try {
 446                 var tree = dijit.byId("feedTree");
 447
 448                 if (tree) return tree.setFeedIcon(feed, is_cat, src);
 449
 450         } catch (e) {
 451                 exception_error("setFeedIcon", e);
 452         }
 453 }
 454
 455 function setFeedExpandoIcon(feed, is_cat, src) {
 456         try {
 457                 var tree = dijit.byId("feedTree");
 458
 459                 if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src);
 460
 461         } catch (e) {
 462                 exception_error("setFeedIcon", e);
 463         }
 464         return false;
 465 }