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                         if (getInitParam("cdm_auto_catchup") != 1) {
 205                                 setTimeout("viewfeed(-3)", 100);
 206                         } else {
 207                                 setTimeout("viewfeed(-5)", 100);
 208                         }
 209                 }
 210
 211                 console.log("T:" +
 212                                 getInitParam("cdm_auto_catchup") + " " + getFeedUnread(-3));
 213
 214                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 215
 216                 setTimeout("timeout()", 5000);
 217
 218         } catch (e) {
 219                 exception_error("feedlist/init", e);
 220         }
 221 }
 222
 223 function request_counters_real() {
 224         try {
 225                 console.log("requesting counters...");
 226
 227                 var query = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
 228
 229                 query = query + "&omode=flc";
 230
 231                 new Ajax.Request("backend.php", {
 232                         parameters: query,
 233                         onComplete: function(transport) {
 234                                 try {
 235                                         handle_rpc_json(transport);
 236                                 } catch (e) {
 237                                         exception_error("viewfeed/getcounters", e);
 238                                 }
 239                         } });
 240
 241         } catch (e) {
 242                 exception_error("request_counters_real", e);
 243         }
 244 }
 245
 246
 247 function request_counters() {
 248
 249         try {
 250
 251                 if (getInitParam("bw_limit") == "1") return;
 252
 253                 var date = new Date();
 254                 var timestamp = Math.round(date.getTime() / 1000);
 255
 256                 if (timestamp - counters_last_request > 5) {
 257                         console.log("scheduling request of counters...");
 258
 259                         window.clearTimeout(counter_timeout_id);
 260                         counter_timeout_id = window.setTimeout("request_counters_real()", 1000);
 261
 262                         counters_last_request = timestamp;
 263                 } else {
 264                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 265                 }
 266
 267         } catch (e) {
 268                 exception_error("request_counters", e);
 269         }
 270 }
 271
 272 function displayNewContentPrompt(id) {
 273         try {
 274
 275                 var msg = "<a href='#' onclick='viewCurrentFeed()'>" +
 276                         __("New articles available in this feed (click to show)") + "</a>";
 277
 278                 msg = msg.replace("%s", getFeedName(id));
 279
 280                 $('auxDlg').innerHTML = msg;
 281
 282                 new Effect.Appear('auxDlg', {duration : 0.5});
 283
 284         } catch (e) {
 285                 exception_error("displayNewContentPrompt", e);
 286         }
 287 }
 288
 289 function parse_counters(elems, scheduled_call) {
 290         try {
 291
 292                 var feeds_found = 0;
 293
 294                 for (var l = 0; l < elems.length; l++) {
 295
 296                         var id = elems[l].id
 297                         var kind = elems[l].kind;
 298                         var ctr = parseInt(elems[l].counter)
 299                         var error = elems[l].error;
 300                         var has_img = elems[l].has_img;
 301                         var updated = elems[l].updated;
 302                         var title = elems[l].title;
 303
 304                         if (id == "global-unread") {
 305                                 global_unread = ctr;
 306                                 updateTitle();
 307                                 continue;
 308                         }
 309
 310                         if (id == "subscribed-feeds") {
 311                                 feeds_found = ctr;
 312                                 continue;
 313                         }
 314
 315                         var treeItem;
 316
 317                         // TODO: enable new content notification for categories
 318
 319                         if (!activeFeedIsCat() && id == getActiveFeedId()
 320                                         && ctr > getFeedUnread(id) && scheduled_call) {
 321                                 displayNewContentPrompt(id);
 322                         }
 323
 324                         setFeedUnread(id, (kind == "cat"), ctr);
 325
 326                         if (kind != "cat") {
 327                                 setFeedValue(id, false, 'error', error);
 328                                 setFeedValue(id, false, 'updated', updated);
 329
 330                                 if (id > 0) {
 331                                         if (has_img) {
 332                                                 setFeedIcon(id, false,
 333                                                         getInitParam("icons_url") + "/" + id + ".ico");
 334                                         } else {
 335                                                 setFeedIcon(id, false, 'images/blank_icon.gif');
 336                                         }
 337                                 }
 338                         }
 339                 }
 340
 341                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 342
 343         } catch (e) {
 344                 exception_error("parse_counters", e);
 345         }
 346 }
 347
 348 function getFeedUnread(feed, is_cat) {
 349         try {
 350                 var tree = dijit.byId("feedTree");
 351
 352                 if (tree && tree.model)
 353                         return tree.model.getFeedUnread(feed, is_cat);
 354
 355         } catch (e) {
 356                 //
 357         }
 358
 359         return -1;
 360 }
 361
 362 function resort_feedlist() {
 363         console.warn("resort_feedlist: function not implemented");
 364 }
 365
 366 function hideOrShowFeeds(hide) {
 367         var tree = dijit.byId("feedTree");
 368
 369         if (tree)
 370                 return tree.hideRead(hide, getInitParam("hide_read_shows_special"));
 371 }
 372
 373 function getFeedName(feed, is_cat) {
 374         var tree = dijit.byId("feedTree");
 375
 376         if (tree && tree.model)
 377                 return tree.model.getFeedValue(feed, is_cat, 'name');
 378 }
 379
 380 function getFeedValue(feed, is_cat, key) {
 381         try {
 382                 var tree = dijit.byId("feedTree");
 383
 384                 if (tree && tree.model)
 385                         return tree.model.getFeedValue(feed, is_cat, key);
 386
 387         } catch (e) {
 388                 //
 389         }
 390         return '';
 391 }
 392
 393 function setFeedUnread(feed, is_cat, unread) {
 394         try {
 395                 var tree = dijit.byId("feedTree");
 396
 397                 if (tree && tree.model)
 398                         return tree.model.setFeedUnread(feed, is_cat, unread);
 399
 400         } catch (e) {
 401                 exception_error("setFeedUnread", e);
 402         }
 403 }
 404
 405 function setFeedValue(feed, is_cat, key, value) {
 406         try {
 407                 var tree = dijit.byId("feedTree");
 408
 409                 if (tree && tree.model)
 410                         return tree.model.setFeedValue(feed, is_cat, key, value);
 411
 412         } catch (e) {
 413                 //
 414         }
 415 }
 416
 417 function selectFeed(feed, is_cat) {
 418         try {
 419                 var tree = dijit.byId("feedTree");
 420
 421                 if (tree) return tree.selectFeed(feed, is_cat);
 422
 423         } catch (e) {
 424                 exception_error("selectFeed", e);
 425         }
 426 }
 427
 428 function setFeedIcon(feed, is_cat, src) {
 429         try {
 430                 var tree = dijit.byId("feedTree");
 431
 432                 if (tree) return tree.setFeedIcon(feed, is_cat, src);
 433
 434         } catch (e) {
 435                 exception_error("setFeedIcon", e);
 436         }
 437 }
 438
 439 function setFeedExpandoIcon(feed, is_cat, src) {
 440         try {
 441                 var tree = dijit.byId("feedTree");
 442
 443                 if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src);
 444
 445         } catch (e) {
 446                 exception_error("setFeedIcon", e);
 447         }
 448         return false;
 449 }