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