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