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 loadMoreHeadlines() {
  17         try {
  18                 var offset = 0;
  19
  20                 var view_mode = document.forms["main_toolbar_form"].view_mode.value;
  21                 var num_unread = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length;
  22                 var num_all = $$("#headlines-frame > div[id*=RROW]").length;
  23
  24                 // TODO implement marked & published
  25
  26                 if (view_mode == "marked") {
  27                         console.warn("loadMoreHeadlines: marked is not implemented, falling back.");
  28                         offset = num_all;
  29                 } else if (view_mode == "published") {
  30                         console.warn("loadMoreHeadlines: published is not implemented, falling back.");
  31                         offset = num_all;
  32                 } else if (view_mode == "unread") {
  33                         offset = num_unread;
  34                 } else if (view_mode == "adaptive") {
  35                         if (num_unread > 0)
  36                                 offset = num_unread;
  37                         else
  38                                 offset = num_all;
  39                 } else {
  40                         offset = num_all;
  41                 }
  42
  43                 viewfeed(getActiveFeedId(), '', activeFeedIsCat(), offset);
  44
  45         } catch (e) {
  46                 exception_error("viewNextFeedPage", e);
  47         }
  48 }
  49
  50
  51 function viewfeed(feed, subop, is_cat, offset) {
  52         try {
  53                 if (is_cat == undefined)
  54                         is_cat = false;
  55                 else
  56                         is_cat = !!is_cat;
  57
  58                 if (subop == undefined) subop = '';
  59                 if (offset == undefined) offset = 0;
  60
  61                 last_requested_article = 0;
  62
  63                 var cached_headlines = false;
  64
  65                 if (feed == getActiveFeedId())
  66                         cache_delete("feed:" + feed + ":" + is_cat);
  67                 else
  68                         cached_headlines = cache_get("feed:" + feed + ":" + is_cat);
  69
  70                 dijit.byId("content-tabs").selectChild(
  71                         dijit.byId("content-tabs").getChildren()[0]);
  72
  73                 var force_nocache = false;
  74
  75                 if (getActiveFeedId() != feed || offset == 0) {
  76                         active_post_id = 0;
  77                         _infscroll_disable = 0;
  78                 }
  79
  80                 if (!offset && !subop && cached_headlines) {
  81                         try {
  82                                 render_local_headlines(feed, is_cat, JSON.parse(cached_headlines));
  83                                 return;
  84                         } catch (e) {
  85                                 console.warn("render_local_headlines failed: " + e);
  86                         }
  87                 }
  88
  89                 if (offset != 0 && !subop) {
  90                         var date = new Date();
  91                         var timestamp = Math.round(date.getTime() / 1000);
  92
  93                         if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
  94                                 //console.log("infscroll request in progress, aborting");
  95                                 return;
  96                         }
  97
  98                         _infscroll_request_sent = timestamp;
  99                 }
 100
 101                 hideAuxDlg();
 102
 103                 Form.enable("main_toolbar_form");
 104
 105                 var toolbar_form = document.forms["main_toolbar_form"];
 106                 var toolbar_query = Form.serialize("main_toolbar_form");
 107
 108                 if (toolbar_form.query) {
 109                         if (toolbar_form.query.value != "") {
 110                                 force_nocache = true;
 111                         }
 112                         toolbar_form.query.value = "";
 113                 }
 114
 115                 var query = "?op=viewfeed&feed=" + feed + "&" +
 116                         toolbar_query + "&subop=" + param_escape(subop);
 117
 118                 if (_search_query) {
 119                         force_nocache = true;
 120                         query = query + "&" + _search_query;
 121                         _search_query = false;
 122                 }
 123
 124                 if (subop == "MarkAllRead") {
 125
 126                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 127
 128                         if (show_next_feed) {
 129                                 var tree = dijit.byId("feedTree");
 130                                 var nuf = tree.model.getNextUnreadFeed(feed, is_cat);
 131
 132                                 if (nuf) {
 133                                         var nuf_id = tree.model.store.getValue(nuf, 'bare_id');
 134
 135                                         query = query + "&nuf=" + param_escape(nuf_id);
 136                                 }
 137                         }
 138                 }
 139
 140                 if (is_cat) {
 141                         query = query + "&cat=1";
 142                 }
 143
 144                 if (offset != 0) {
 145                         query = query + "&skip=" + offset;
 146
 147                         // to prevent duplicate feed titles when showing grouped vfeeds
 148                         if (vgroup_last_feed) {
 149                                 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 150                         }
 151                 }
 152
 153                 Form.enable("main_toolbar_form");
 154
 155                 console.log(query);
 156
 157                 if (!offset)
 158                         if (!is_cat) {
 159                                 if (!setFeedExpandoIcon(feed, is_cat, 'images/indicator_white.gif'))
 160                                         notify_progress("Loading, please wait...", true);
 161                         } else {
 162                                 notify_progress("Loading, please wait...", true);
 163                         }
 164
 165                 new Ajax.Request("backend.php", {
 166                         parameters: query,
 167                         onComplete: function(transport) {
 168                                 setFeedExpandoIcon(feed, is_cat, 'images/blank_icon.gif');
 169                                 headlines_callback2(transport, offset);
 170                         } });
 171
 172         } catch (e) {
 173                 exception_error("viewfeed", e);
 174         }
 175 }
 176
 177 function feedlist_init() {
 178         try {
 179                 console.log("in feedlist init");
 180
 181                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 182                 document.onkeydown = hotkey_handler;
 183                 setTimeout("hotkey_prefix_timeout()", 5*1000);
 184
 185                  if (!getActiveFeedId()) {
 186                         setTimeout("viewfeed(-3)", 100);
 187                 }
 188
 189                 console.log("T:" +
 190                                 getInitParam("cdm_auto_catchup") + " " + getFeedUnread(-3));
 191
 192                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 193
 194                 setTimeout("timeout()", 5000);
 195
 196         } catch (e) {
 197                 exception_error("feedlist/init", e);
 198         }
 199 }
 200
 201 function request_counters_real() {
 202         try {
 203                 console.log("requesting counters...");
 204
 205                 var query = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
 206
 207                 query = query + "&omode=flc";
 208
 209                 new Ajax.Request("backend.php", {
 210                         parameters: query,
 211                         onComplete: function(transport) {
 212                                 try {
 213                                         handle_rpc_json(transport);
 214                                 } catch (e) {
 215                                         exception_error("viewfeed/getcounters", e);
 216                                 }
 217                         } });
 218
 219         } catch (e) {
 220                 exception_error("request_counters_real", e);
 221         }
 222 }
 223
 224
 225 function request_counters() {
 226
 227         try {
 228
 229                 if (getInitParam("bw_limit") == "1") return;
 230
 231                 var date = new Date();
 232                 var timestamp = Math.round(date.getTime() / 1000);
 233
 234                 if (timestamp - counters_last_request > 5) {
 235                         console.log("scheduling request of counters...");
 236
 237                         window.clearTimeout(counter_timeout_id);
 238                         counter_timeout_id = window.setTimeout("request_counters_real()", 1000);
 239
 240                         counters_last_request = timestamp;
 241                 } else {
 242                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 243                 }
 244
 245         } catch (e) {
 246                 exception_error("request_counters", e);
 247         }
 248 }
 249
 250 function displayNewContentPrompt(id) {
 251         try {
 252
 253                 var msg = "<a href='#' onclick='viewCurrentFeed()'>" +
 254                         __("New articles available in this feed (click to show)") + "</a>";
 255
 256                 msg = msg.replace("%s", getFeedName(id));
 257
 258                 $('auxDlg').innerHTML = msg;
 259
 260                 new Effect.Appear('auxDlg', {duration : 0.5});
 261
 262         } catch (e) {
 263                 exception_error("displayNewContentPrompt", e);
 264         }
 265 }
 266
 267 function parse_counters(elems, scheduled_call) {
 268         try {
 269
 270                 var feeds_found = 0;
 271
 272                 for (var l = 0; l < elems.length; l++) {
 273
 274                         var id = elems[l].id
 275                         var kind = elems[l].kind;
 276                         var ctr = parseInt(elems[l].counter)
 277                         var error = elems[l].error;
 278                         var has_img = elems[l].has_img;
 279                         var updated = elems[l].updated;
 280                         var title = elems[l].title;
 281
 282                         if (id == "global-unread") {
 283                                 global_unread = ctr;
 284                                 updateTitle();
 285                                 continue;
 286                         }
 287
 288                         if (id == "subscribed-feeds") {
 289                                 feeds_found = ctr;
 290                                 continue;
 291                         }
 292
 293                         var treeItem;
 294
 295                         // TODO: enable new content notification for categories
 296
 297                         if (!activeFeedIsCat() && id == getActiveFeedId()
 298                                         && ctr > getFeedUnread(id) && scheduled_call) {
 299                                 displayNewContentPrompt(id);
 300                         }
 301
 302                         if (getFeedUnread(id, (kind == "cat")) != ctr)
 303                                 cache_delete("feed:" + id + ":" + (kind == "cat"));
 304
 305                         setFeedUnread(id, (kind == "cat"), ctr);
 306
 307                         if (kind != "cat") {
 308                                 setFeedValue(id, false, 'error', error);
 309                                 setFeedValue(id, false, 'updated', updated);
 310
 311                                 if (id > 0) {
 312                                         if (has_img) {
 313                                                 setFeedIcon(id, false,
 314                                                         getInitParam("icons_url") + "/" + id + ".ico");
 315                                         } else {
 316                                                 setFeedIcon(id, false, 'images/blank_icon.gif');
 317                                         }
 318                                 }
 319                         }
 320                 }
 321
 322                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 323
 324         } catch (e) {
 325                 exception_error("parse_counters", e);
 326         }
 327 }
 328
 329 function getFeedUnread(feed, is_cat) {
 330         try {
 331                 var tree = dijit.byId("feedTree");
 332
 333                 if (tree && tree.model)
 334                         return tree.model.getFeedUnread(feed, is_cat);
 335
 336         } catch (e) {
 337                 //
 338         }
 339
 340         return -1;
 341 }
 342
 343 function resort_feedlist() {
 344         console.warn("resort_feedlist: function not implemented");
 345 }
 346
 347 function hideOrShowFeeds(hide) {
 348         var tree = dijit.byId("feedTree");
 349
 350         if (tree)
 351                 return tree.hideRead(hide, getInitParam("hide_read_shows_special"));
 352 }
 353
 354 function getFeedName(feed, is_cat) {
 355         var tree = dijit.byId("feedTree");
 356
 357         if (tree && tree.model)
 358                 return tree.model.getFeedValue(feed, is_cat, 'name');
 359 }
 360
 361 function getFeedValue(feed, is_cat, key) {
 362         try {
 363                 var tree = dijit.byId("feedTree");
 364
 365                 if (tree && tree.model)
 366                         return tree.model.getFeedValue(feed, is_cat, key);
 367
 368         } catch (e) {
 369                 //
 370         }
 371         return '';
 372 }
 373
 374 function setFeedUnread(feed, is_cat, unread) {
 375         try {
 376                 var tree = dijit.byId("feedTree");
 377
 378                 if (tree && tree.model)
 379                         return tree.model.setFeedUnread(feed, is_cat, unread);
 380
 381         } catch (e) {
 382                 exception_error("setFeedUnread", e);
 383         }
 384 }
 385
 386 function setFeedValue(feed, is_cat, key, value) {
 387         try {
 388                 var tree = dijit.byId("feedTree");
 389
 390                 if (tree && tree.model)
 391                         return tree.model.setFeedValue(feed, is_cat, key, value);
 392
 393         } catch (e) {
 394                 //
 395         }
 396 }
 397
 398 function selectFeed(feed, is_cat) {
 399         try {
 400                 var tree = dijit.byId("feedTree");
 401
 402                 if (tree) return tree.selectFeed(feed, is_cat);
 403
 404         } catch (e) {
 405                 exception_error("selectFeed", e);
 406         }
 407 }
 408
 409 function setFeedIcon(feed, is_cat, src) {
 410         try {
 411                 var tree = dijit.byId("feedTree");
 412
 413                 if (tree) return tree.setFeedIcon(feed, is_cat, src);
 414
 415         } catch (e) {
 416                 exception_error("setFeedIcon", e);
 417         }
 418 }
 419
 420 function setFeedExpandoIcon(feed, is_cat, src) {
 421         try {
 422                 var tree = dijit.byId("feedTree");
 423
 424                 if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src);
 425
 426         } catch (e) {
 427                 exception_error("setFeedIcon", e);
 428         }
 429         return false;
 430 }