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
  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_query) {
 103                         force_nocache = true;
 104                         query = query + "&" + _search_query;
 105                         _search_query = false;
 106                 }
 107
 108 //              console.log("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
 109
 110                 if (subop == "MarkAllRead") {
 111
 112                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 113
 114                         if (show_next_feed) {
 115                                 var tree = dijit.byId("feedTree");
 116                                 var nuf = tree.model.getNextUnreadFeed(feed, is_cat);
 117
 118                                 if (nuf) {
 119                                         var nuf_id = tree.model.store.getValue(nuf, 'bare_id');
 120
 121                                         query = query + "&nuf=" + param_escape(nuf_id);
 122                                 }
 123                         }
 124                 }
 125
 126                 if (is_cat) {
 127                         query = query + "&cat=1";
 128                 }
 129
 130                 if (page_offset != 0) {
 131                         query = query + "&skip=" + page_offset;
 132
 133                         // to prevent duplicate feed titles when showing grouped vfeeds
 134                         if (vgroup_last_feed) {
 135                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 136                         }
 137                 }
 138
 139                 Form.enable("main_toolbar_form");
 140
 141                 console.log(query);
 142
 143 /*              var unread_ctr = -1;
 144
 145                 if (!is_cat) unread_ctr = getFeedUnread(feed);
 146
 147                 var cache_check = false;
 148
 149                 if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
 150
 151                         var cache_prefix = "";
 152
 153                         if (is_cat) {
 154                                 cache_prefix = "C:";
 155                         } else {
 156                                 cache_prefix = "F:";
 157                         }
 158
 159                         cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
 160                         console.log("headline cache check: " + cache_check);
 161                 }
 162
 163                 if (cache_check) {
 164
 165                         setActiveFeedId(feed, is_cat);
 166
 167                         $("headlines-frame").innerHTML = cache_find_param(cache_prefix + feed,
 168                                 unread_ctr);
 169
 170                         request_counters();
 171                         remove_splash();
 172
 173                 } else { */
 174
 175                         if (!is_cat) {
 176                                 if (!setFeedExpandoIcon(feed, is_cat, 'images/indicator_white.gif'))
 177                                         notify_progress("Loading, please wait...", true);
 178                         } else {
 179                                 notify_progress("Loading, please wait...", true);
 180                         }
 181
 182                         new Ajax.Request("backend.php", {
 183                                 parameters: query,
 184                                 onComplete: function(transport) {
 185                                         setFeedExpandoIcon(feed, is_cat, 'images/blank_icon.gif');
 186                                         headlines_callback2(transport, page_offset);
 187                                 } });
 188 //              }
 189
 190         } catch (e) {
 191                 exception_error("viewfeed", e);
 192         }
 193 }
 194
 195 function feedlist_init() {
 196         try {
 197                 console.log("in feedlist init");
 198
 199                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 200                 document.onkeydown = hotkey_handler;
 201                 setTimeout("hotkey_prefix_timeout()", 5*1000);
 202
 203                  if (!getActiveFeedId()) {
 204                         setTimeout("viewfeed(-3)", 100);
 205                 }
 206
 207                 console.log("T:" +
 208                                 getInitParam("cdm_auto_catchup") + " " + getFeedUnread(-3));
 209
 210                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 211
 212                 setTimeout("timeout()", 5000);
 213
 214         } catch (e) {
 215                 exception_error("feedlist/init", e);
 216         }
 217 }
 218
 219 function request_counters_real() {
 220         try {
 221                 console.log("requesting counters...");
 222
 223                 var query = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
 224
 225                 query = query + "&omode=flc";
 226
 227                 new Ajax.Request("backend.php", {
 228                         parameters: query,
 229                         onComplete: function(transport) {
 230                                 try {
 231                                         handle_rpc_json(transport);
 232                                 } catch (e) {
 233                                         exception_error("viewfeed/getcounters", e);
 234                                 }
 235                         } });
 236
 237         } catch (e) {
 238                 exception_error("request_counters_real", e);
 239         }
 240 }
 241
 242
 243 function request_counters() {
 244
 245         try {
 246
 247                 if (getInitParam("bw_limit") == "1") return;
 248
 249                 var date = new Date();
 250                 var timestamp = Math.round(date.getTime() / 1000);
 251
 252                 if (timestamp - counters_last_request > 5) {
 253                         console.log("scheduling request of counters...");
 254
 255                         window.clearTimeout(counter_timeout_id);
 256                         counter_timeout_id = window.setTimeout("request_counters_real()", 1000);
 257
 258                         counters_last_request = timestamp;
 259                 } else {
 260                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 261                 }
 262
 263         } catch (e) {
 264                 exception_error("request_counters", e);
 265         }
 266 }
 267
 268 function displayNewContentPrompt(id) {
 269         try {
 270
 271                 var msg = "<a href='#' onclick='viewCurrentFeed()'>" +
 272                         __("New articles available in this feed (click to show)") + "</a>";
 273
 274                 msg = msg.replace("%s", getFeedName(id));
 275
 276                 $('auxDlg').innerHTML = msg;
 277
 278                 new Effect.Appear('auxDlg', {duration : 0.5});
 279
 280         } catch (e) {
 281                 exception_error("displayNewContentPrompt", e);
 282         }
 283 }
 284
 285 function parse_counters(elems, scheduled_call) {
 286         try {
 287
 288                 var feeds_found = 0;
 289
 290                 for (var l = 0; l < elems.length; l++) {
 291
 292                         var id = elems[l].id
 293                         var kind = elems[l].kind;
 294                         var ctr = parseInt(elems[l].counter)
 295                         var error = elems[l].error;
 296                         var has_img = elems[l].has_img;
 297                         var updated = elems[l].updated;
 298                         var title = elems[l].title;
 299
 300                         if (id == "global-unread") {
 301                                 global_unread = ctr;
 302                                 updateTitle();
 303                                 continue;
 304                         }
 305
 306                         if (id == "subscribed-feeds") {
 307                                 feeds_found = ctr;
 308                                 continue;
 309                         }
 310
 311                         var treeItem;
 312
 313                         // TODO: enable new content notification for categories
 314
 315                         if (!activeFeedIsCat() && id == getActiveFeedId()
 316                                         && ctr > getFeedUnread(id) && scheduled_call) {
 317                                 displayNewContentPrompt(id);
 318                         }
 319
 320                         setFeedUnread(id, (kind == "cat"), ctr);
 321
 322                         if (kind != "cat") {
 323                                 setFeedValue(id, false, 'error', error);
 324                                 setFeedValue(id, false, 'updated', updated);
 325
 326                                 if (id > 0) {
 327                                         if (has_img) {
 328                                                 setFeedIcon(id, false,
 329                                                         getInitParam("icons_url") + "/" + id + ".ico");
 330                                         } else {
 331                                                 setFeedIcon(id, false, 'images/blank_icon.gif');
 332                                         }
 333                                 }
 334                         }
 335                 }
 336
 337                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 338
 339         } catch (e) {
 340                 exception_error("parse_counters", e);
 341         }
 342 }
 343
 344 function getFeedUnread(feed, is_cat) {
 345         try {
 346                 var tree = dijit.byId("feedTree");
 347
 348                 if (tree && tree.model)
 349                         return tree.model.getFeedUnread(feed, is_cat);
 350
 351         } catch (e) {
 352                 //
 353         }
 354
 355         return -1;
 356 }
 357
 358 function resort_feedlist() {
 359         console.warn("resort_feedlist: function not implemented");
 360 }
 361
 362 function hideOrShowFeeds(hide) {
 363         var tree = dijit.byId("feedTree");
 364
 365         if (tree)
 366                 return tree.hideRead(hide, getInitParam("hide_read_shows_special"));
 367 }
 368
 369 function getFeedName(feed, is_cat) {
 370         var tree = dijit.byId("feedTree");
 371
 372         if (tree && tree.model)
 373                 return tree.model.getFeedValue(feed, is_cat, 'name');
 374 }
 375
 376 function getFeedValue(feed, is_cat, key) {
 377         try {
 378                 var tree = dijit.byId("feedTree");
 379
 380                 if (tree && tree.model)
 381                         return tree.model.getFeedValue(feed, is_cat, key);
 382
 383         } catch (e) {
 384                 //
 385         }
 386         return '';
 387 }
 388
 389 function setFeedUnread(feed, is_cat, unread) {
 390         try {
 391                 var tree = dijit.byId("feedTree");
 392
 393                 if (tree && tree.model)
 394                         return tree.model.setFeedUnread(feed, is_cat, unread);
 395
 396         } catch (e) {
 397                 exception_error("setFeedUnread", e);
 398         }
 399 }
 400
 401 function setFeedValue(feed, is_cat, key, value) {
 402         try {
 403                 var tree = dijit.byId("feedTree");
 404
 405                 if (tree && tree.model)
 406                         return tree.model.setFeedValue(feed, is_cat, key, value);
 407
 408         } catch (e) {
 409                 //
 410         }
 411 }
 412
 413 function selectFeed(feed, is_cat) {
 414         try {
 415                 var tree = dijit.byId("feedTree");
 416
 417                 if (tree) return tree.selectFeed(feed, is_cat);
 418
 419         } catch (e) {
 420                 exception_error("selectFeed", e);
 421         }
 422 }
 423
 424 function setFeedIcon(feed, is_cat, src) {
 425         try {
 426                 var tree = dijit.byId("feedTree");
 427
 428                 if (tree) return tree.setFeedIcon(feed, is_cat, src);
 429
 430         } catch (e) {
 431                 exception_error("setFeedIcon", e);
 432         }
 433 }
 434
 435 function setFeedExpandoIcon(feed, is_cat, src) {
 436         try {
 437                 var tree = dijit.byId("feedTree");
 438
 439                 if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src);
 440
 441         } catch (e) {
 442                 exception_error("setFeedIcon", e);
 443         }
 444         return false;
 445 }