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                 enableHotkeys();
  86                 hideAuxDlg();
  87                 closeInfoBox();
  88
  89                 Form.enable("main_toolbar_form");
  90
  91                 var toolbar_form = document.forms["main_toolbar_form"];
  92                 var toolbar_query = Form.serialize("main_toolbar_form");
  93
  94                 if (toolbar_form.query) {
  95                         if (toolbar_form.query.value != "") {
  96                                 force_nocache = true;
  97                         }
  98                         toolbar_form.query.value = "";
  99                 }
 100
 101                 var query = "?op=viewfeed&feed=" + feed + "&" +
 102                         toolbar_query + "&subop=" + param_escape(subop);
 103
 104                 if (_search_query) {
 105                         force_nocache = true;
 106                         query = query + "&" + _search_query;
 107                         _search_query = false;
 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                                 var tree = dijit.byId("feedTree");
 118                                 var nuf = tree.model.getNextUnreadFeed(feed, is_cat);
 119
 120                                 if (nuf) {
 121                                         var nuf_id = tree.model.store.getValue(nuf, 'bare_id');
 122
 123                                         query = query + "&nuf=" + param_escape(nuf_id);
 124                                 }
 125                         }
 126                 }
 127
 128                 if (is_cat) {
 129                         query = query + "&cat=1";
 130                 }
 131
 132                 if (page_offset != 0) {
 133                         query = query + "&skip=" + page_offset;
 134
 135                         // to prevent duplicate feed titles when showing grouped vfeeds
 136                         if (vgroup_last_feed) {
 137                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 138                         }
 139                 }
 140
 141                 Form.enable("main_toolbar_form");
 142
 143                 console.log(query);
 144
 145                 var unread_ctr = -1;
 146
 147                 if (!is_cat) unread_ctr = getFeedUnread(feed);
 148
 149                 var cache_check = false;
 150
 151                 if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
 152
 153                         var cache_prefix = "";
 154
 155                         if (is_cat) {
 156                                 cache_prefix = "C:";
 157                         } else {
 158                                 cache_prefix = "F:";
 159                         }
 160
 161                         cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
 162                         console.log("headline cache check: " + cache_check);
 163                 }
 164
 165                 if (cache_check) {
 166
 167                         setActiveFeedId(feed, is_cat);
 168
 169                         $("headlines-frame").innerHTML = cache_find_param(cache_prefix + feed,
 170                                 unread_ctr);
 171
 172                         request_counters();
 173                         remove_splash();
 174
 175                 } else {
 176
 177                         if (!is_cat) {
 178                                 if (!setFeedExpandoIcon(feed, is_cat, 'images/indicator_white.gif'))
 179                                         notify_progress("Loading, please wait...", true);
 180                         } else {
 181                                 notify_progress("Loading, please wait...", true);
 182                         }
 183
 184                         new Ajax.Request("backend.php", {
 185                                 parameters: query,
 186                                 onComplete: function(transport) {
 187                                         setFeedExpandoIcon(feed, is_cat, 'images/blank_icon.gif');
 188                                         headlines_callback2(transport, page_offset);
 189                                 } });
 190                 }
 191
 192         } catch (e) {
 193                 exception_error("viewfeed", e);
 194         }
 195 }
 196
 197 function feedlist_init() {
 198         try {
 199                 console.log("in feedlist init");
 200
 201                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 202                 document.onkeydown = hotkey_handler;
 203                 setTimeout("hotkey_prefix_timeout()", 5*1000);
 204
 205                  if (!getActiveFeedId()) {
 206                         if (getInitParam("cdm_auto_catchup") != 1) {
 207                                 setTimeout("viewfeed(-3)", 100);
 208                         } else {
 209                                 setTimeout("viewfeed(-5)", 100);
 210                         }
 211                 }
 212
 213                 console.log("T:" +
 214                                 getInitParam("cdm_auto_catchup") + " " + getFeedUnread(-3));
 215
 216                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 217
 218                 setTimeout("timeout()", 5000);
 219
 220         } catch (e) {
 221                 exception_error("feedlist/init", e);
 222         }
 223 }
 224
 225 function request_counters_real() {
 226         try {
 227                 console.log("requesting counters...");
 228
 229                 var query = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
 230
 231                 query = query + "&omode=flc";
 232
 233                 new Ajax.Request("backend.php", {
 234                         parameters: query,
 235                         onComplete: function(transport) {
 236                                 try {
 237                                         handle_rpc_reply(transport);
 238                                 } catch (e) {
 239                                         exception_error("viewfeed/getcounters", e);
 240                                 }
 241                         } });
 242
 243         } catch (e) {
 244                 exception_error("request_counters_real", e);
 245         }
 246 }
 247
 248
 249 function request_counters() {
 250
 251         try {
 252
 253                 if (getInitParam("bw_limit") == "1") return;
 254
 255                 var date = new Date();
 256                 var timestamp = Math.round(date.getTime() / 1000);
 257
 258                 if (timestamp - counters_last_request > 5) {
 259                         console.log("scheduling request of counters...");
 260
 261                         window.clearTimeout(counter_timeout_id);
 262                         counter_timeout_id = window.setTimeout("request_counters_real()", 1000);
 263
 264                         counters_last_request = timestamp;
 265                 } else {
 266                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 267                 }
 268
 269         } catch (e) {
 270                 exception_error("request_counters", e);
 271         }
 272 }
 273
 274 function displayNewContentPrompt(id) {
 275         try {
 276
 277                 var msg = "<a href='#' onclick='viewCurrentFeed()'>" +
 278                         __("New articles available in this feed (click to show)") + "</a>";
 279
 280                 msg = msg.replace("%s", getFeedName(id));
 281
 282                 $('auxDlg').innerHTML = msg;
 283
 284                 new Effect.Appear('auxDlg', {duration : 0.5});
 285
 286         } catch (e) {
 287                 exception_error("displayNewContentPrompt", e);
 288         }
 289 }
 290
 291 function parse_counters(reply, scheduled_call) {
 292         try {
 293
 294                 var feeds_found = 0;
 295
 296                 var elems = JSON.parse(reply.firstChild.nodeValue);
 297
 298                 for (var l = 0; l < elems.length; l++) {
 299
 300                         var id = elems[l].id
 301                         var kind = elems[l].kind;
 302                         var ctr = parseInt(elems[l].counter)
 303                         var error = elems[l].error;
 304                         var has_img = elems[l].has_img;
 305                         var updated = elems[l].updated;
 306                         var title = elems[l].title;
 307
 308                         if (id == "global-unread") {
 309                                 global_unread = ctr;
 310                                 updateTitle();
 311                                 continue;
 312                         }
 313
 314                         if (id == "subscribed-feeds") {
 315                                 feeds_found = ctr;
 316                                 continue;
 317                         }
 318
 319                         var treeItem;
 320
 321                         // TODO: enable new content notification for categories
 322
 323                         if (!activeFeedIsCat() && id == getActiveFeedId()
 324                                         && ctr > getFeedUnread(id) && scheduled_call) {
 325                                 displayNewContentPrompt(id);
 326                         }
 327
 328                         setFeedUnread(id, (kind == "cat"), ctr);
 329
 330                         if (kind != "cat") {
 331                                 //setFeedValue(id, false, 'error', error);
 332                                 setFeedValue(id, false, 'updated', updated);
 333
 334                                 if (id > 0) {
 335                                         if (has_img) {
 336                                                 setFeedIcon(id, false,
 337                                                         getInitParam("icons_url") + "/" + id + ".ico");
 338                                         } else {
 339                                                 setFeedIcon(id, false, 'images/blank_icon.gif');
 340                                         }
 341                                 }
 342                         }
 343                 }
 344
 345                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 346
 347                 var feeds_stored = number_of_feeds;
 348
 349                 if (feeds_stored != feeds_found) {
 350                         number_of_feeds = feeds_found;
 351
 352                         if (feeds_stored != 0 && feeds_found != 0) {
 353                                 console.log("Subscribed feed number changed, refreshing feedlist");
 354                                 setTimeout('updateFeedList()', 50);
 355                         }
 356                 }
 357
 358         } catch (e) {
 359                 exception_error("parse_counters", e);
 360         }
 361 }
 362
 363 function getFeedUnread(feed, is_cat) {
 364         try {
 365                 var tree = dijit.byId("feedTree");
 366
 367                 if (tree && tree.model)
 368                         return tree.model.getFeedUnread(feed, is_cat);
 369
 370         } catch (e) {
 371                 //
 372         }
 373
 374         return -1;
 375 }
 376
 377 function resort_feedlist() {
 378         console.warn("resort_feedlist: function not implemented");
 379 }
 380
 381 function hideOrShowFeeds(hide) {
 382         var tree = dijit.byId("feedTree");
 383
 384         if (tree)
 385                 return tree.hideRead(hide, getInitParam("hide_read_shows_special"));
 386 }
 387
 388 function getFeedName(feed, is_cat) {
 389         var tree = dijit.byId("feedTree");
 390
 391         if (tree && tree.model)
 392                 return tree.model.getFeedValue(feed, is_cat, 'name');
 393 }
 394
 395 function getFeedValue(feed, is_cat, key) {
 396         try {
 397                 var tree = dijit.byId("feedTree");
 398
 399                 if (tree && tree.model)
 400                         return tree.model.getFeedValue(feed, is_cat, key);
 401
 402         } catch (e) {
 403                 //
 404         }
 405         return '';
 406 }
 407
 408 function setFeedUnread(feed, is_cat, unread) {
 409         try {
 410                 var tree = dijit.byId("feedTree");
 411
 412                 if (tree && tree.model)
 413                         return tree.model.setFeedUnread(feed, is_cat, unread);
 414
 415         } catch (e) {
 416                 exception_error("setFeedUnread", e);
 417         }
 418 }
 419
 420 function setFeedValue(feed, is_cat, key, value) {
 421         try {
 422                 var tree = dijit.byId("feedTree");
 423
 424                 if (tree && tree.model)
 425                         return tree.model.setFeedValue(feed, is_cat, key, value);
 426
 427         } catch (e) {
 428                 //
 429         }
 430 }
 431
 432 function selectFeed(feed, is_cat) {
 433         try {
 434                 var tree = dijit.byId("feedTree");
 435
 436                 if (tree) return tree.selectFeed(feed, is_cat);
 437
 438         } catch (e) {
 439                 exception_error("selectFeed", e);
 440         }
 441 }
 442
 443 function setFeedIcon(feed, is_cat, src) {
 444         try {
 445                 var tree = dijit.byId("feedTree");
 446
 447                 if (tree) return tree.setFeedIcon(feed, is_cat, src);
 448
 449         } catch (e) {
 450                 exception_error("setFeedIcon", e);
 451         }
 452 }
 453
 454 function setFeedExpandoIcon(feed, is_cat, src) {
 455         try {
 456                 var tree = dijit.byId("feedTree");
 457
 458                 if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src);
 459
 460         } catch (e) {
 461                 exception_error("setFeedIcon", e);
 462         }
 463         return false;
 464 }