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