js/feedlist.js

   1 var _infscroll_disable = 0;
   2 var _infscroll_request_sent = 0;
   3 var _search_query = false;
   4 var _viewfeed_last = 0;
   5
   6 var counters_last_request = 0;
   7
   8 function viewCategory(cat) {
   9         viewfeed(cat, '', true);
  10         return false;
  11 }
  12
  13 function loadMoreHeadlines() {
  14         try {
  15                 console.log("loadMoreHeadlines");
  16
  17                 var offset = 0;
  18
  19                 var view_mode = document.forms["main_toolbar_form"].view_mode.value;
  20                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length;
  21                 var num_all = $$("#headlines-frame > div[id*=RROW]").length;
  22                 var num_unread = getFeedUnread(getActiveFeedId(), activeFeedIsCat());
  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 = unread_in_buffer;
  34                 } else if (_search_query) {
  35                         offset = num_all;
  36                 } else if (view_mode == "adaptive") {
  37                         if (num_unread > 0)
  38                                 offset = unread_in_buffer;
  39                         else
  40                                 offset = num_all;
  41                 } else {
  42                         offset = num_all;
  43                 }
  44
  45                 console.log("offset: " + offset);
  46
  47                 viewfeed(getActiveFeedId(), '', activeFeedIsCat(), offset, false, true);
  48
  49         } catch (e) {
  50                 exception_error("viewNextFeedPage", e);
  51         }
  52 }
  53
  54
  55 function viewfeed(feed, method, is_cat, offset, background, infscroll_req) {
  56         try {
  57                 if (is_cat == undefined)
  58                         is_cat = false;
  59                 else
  60                         is_cat = !!is_cat;
  61
  62                 if (method == undefined) method = '';
  63                 if (offset == undefined) offset = 0;
  64                 if (background == undefined) background = false;
  65                 if (infscroll_req == undefined) infscroll_req = false;
  66
  67                 last_requested_article = 0;
  68
  69                 if (feed != getActiveFeedId() || activeFeedIsCat() != is_cat) {
  70                         if (!background && _search_query) _search_query = false;
  71                 }
  72
  73                 if (!background) {
  74                         _viewfeed_last = get_timestamp();
  75
  76                         if (getActiveFeedId() != feed || offset == 0) {
  77                                 setActiveArticleId(0);
  78                                 _infscroll_disable = 0;
  79                         }
  80
  81                         if (offset != 0 && !method) {
  82                                 var timestamp = get_timestamp();
  83
  84                                 if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
  85                                         //console.log("infscroll request in progress, aborting");
  86                                         return;
  87                                 }
  88
  89                                 _infscroll_request_sent = timestamp;
  90                         }
  91                 }
  92
  93                 Form.enable("main_toolbar_form");
  94
  95                 var toolbar_query = Form.serialize("main_toolbar_form");
  96
  97                 var query = "?op=feeds&method=view&feed=" + feed + "&" +
  98                         toolbar_query;
  99
 100                 if (method) {
 101                         query = query + "&m=" + param_escape(method);
 102                 }
 103
 104                 if (!background) {
 105                         if (_search_query) {
 106                                 force_nocache = true;
 107                                 query = query + "&" + _search_query;
 108                                 //_search_query = false;
 109                         }
 110
 111                         if (offset != 0) {
 112                                 query = query + "&skip=" + offset;
 113
 114                                 // to prevent duplicate feed titles when showing grouped vfeeds
 115                                 if (vgroup_last_feed) {
 116                                         query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
 117                                 }
 118                         } else {
 119                                 if (!method && !is_cat && feed == getActiveFeedId()) {
 120                                         query = query + "&m=ForceUpdate";
 121                                 }
 122                         }
 123
 124                         Form.enable("main_toolbar_form");
 125
 126                         if (!setFeedExpandoIcon(feed, is_cat,
 127                                 (is_cat) ? 'images/indicator_tiny.gif' : 'images/indicator_white.gif'))
 128                                         notify_progress("Loading, please wait...", true);
 129                 }
 130
 131                 query += "&cat=" + is_cat;
 132
 133                 console.log(query);
 134
 135                 setActiveFeedId(feed, is_cat);
 136
 137                 new Ajax.Request("backend.php", {
 138                         parameters: query,
 139                         onComplete: function(transport) {
 140                                 setFeedExpandoIcon(feed, is_cat, 'images/blank_icon.gif');
 141                                 headlines_callback2(transport, offset, background, infscroll_req);
 142                                 PluginHost.run(PluginHost.HOOK_FEED_LOADED, [feed, is_cat]);
 143                         } });
 144
 145         } catch (e) {
 146                 exception_error("viewfeed", e);
 147         }
 148 }
 149
 150 function feedlist_init() {
 151         try {
 152                 console.log("in feedlist init");
 153
 154                 document.onkeydown = hotkey_handler;
 155                 setTimeout("hotkey_prefix_timeout()", 5*1000);
 156
 157                 if (!getActiveFeedId()) {
 158                         viewfeed(-3);
 159                 } else {
 160                         viewfeed(getActiveFeedId(), '', activeFeedIsCat());
 161                 }
 162
 163                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 164
 165                 request_counters(true);
 166                 timeout();
 167
 168         } catch (e) {
 169                 exception_error("feedlist/init", e);
 170         }
 171 }
 172
 173
 174 function request_counters(force) {
 175         try {
 176                 var date = new Date();
 177                 var timestamp = Math.round(date.getTime() / 1000);
 178
 179                 if (force || timestamp - counters_last_request > 5) {
 180                         console.log("scheduling request of counters...");
 181
 182                         counters_last_request = timestamp;
 183
 184                         var query = "?op=rpc&method=getAllCounters&seq=" + next_seq();
 185
 186                         if (!force)
 187                                 query = query + "&last_article_id=" + getInitParam("last_article_id");
 188
 189                         console.log(query);
 190
 191                         new Ajax.Request("backend.php", {
 192                                 parameters: query,
 193                                 onComplete: function(transport) {
 194                                         try {
 195                                                 handle_rpc_json(transport);
 196                                         } catch (e) {
 197                                                 exception_error("request_counters", e);
 198                                         }
 199                                 } });
 200
 201                 } else {
 202                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 203                 }
 204
 205         } catch (e) {
 206                 exception_error("request_counters", e);
 207         }
 208 }
 209
 210 function parse_counters(elems, scheduled_call) {
 211         try {
 212                 for (var l = 0; l < elems.length; l++) {
 213
 214                         var id = elems[l].id;
 215                         var kind = elems[l].kind;
 216                         var ctr = parseInt(elems[l].counter);
 217                         var error = elems[l].error;
 218                         var has_img = elems[l].has_img;
 219                         var updated = elems[l].updated;
 220
 221                         if (id == "global-unread") {
 222                                 global_unread = ctr;
 223                                 updateTitle();
 224                                 continue;
 225                         }
 226
 227                         if (id == "subscribed-feeds") {
 228                                 feeds_found = ctr;
 229                                 continue;
 230                         }
 231
 232                         if (getFeedUnread(id, (kind == "cat")) != ctr ||
 233                                         (kind == "cat")) {
 234                         }
 235
 236                         setFeedUnread(id, (kind == "cat"), ctr);
 237
 238                         if (kind != "cat") {
 239                                 setFeedValue(id, false, 'error', error);
 240                                 setFeedValue(id, false, 'updated', updated);
 241
 242                                 if (id > 0) {
 243                                         if (has_img) {
 244                                                 setFeedIcon(id, false,
 245                                                         getInitParam("icons_url") + "/" + id + ".ico");
 246                                         } else {
 247                                                 setFeedIcon(id, false, 'images/blank_icon.gif');
 248                                         }
 249                                 }
 250                         }
 251                 }
 252
 253                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 254
 255         } catch (e) {
 256                 exception_error("parse_counters", e);
 257         }
 258 }
 259
 260 function getFeedUnread(feed, is_cat) {
 261         try {
 262                 var tree = dijit.byId("feedTree");
 263
 264                 if (tree && tree.model)
 265                         return tree.model.getFeedUnread(feed, is_cat);
 266
 267         } catch (e) {
 268                 //
 269         }
 270
 271         return -1;
 272 }
 273
 274 function getFeedCategory(feed) {
 275         try {
 276                 var tree = dijit.byId("feedTree");
 277
 278                 if (tree && tree.model)
 279                         return tree.getFeedCategory(feed);
 280
 281         } catch (e) {
 282                 //
 283         }
 284
 285         return false;
 286 }
 287
 288 function hideOrShowFeeds(hide) {
 289         var tree = dijit.byId("feedTree");
 290
 291         if (tree)
 292                 return tree.hideRead(hide, getInitParam("hide_read_shows_special"));
 293 }
 294
 295 function getFeedName(feed, is_cat) {
 296         var tree = dijit.byId("feedTree");
 297
 298         if (tree && tree.model)
 299                 return tree.model.getFeedValue(feed, is_cat, 'name');
 300 }
 301
 302 function getFeedValue(feed, is_cat, key) {
 303         try {
 304                 var tree = dijit.byId("feedTree");
 305
 306                 if (tree && tree.model)
 307                         return tree.model.getFeedValue(feed, is_cat, key);
 308
 309         } catch (e) {
 310                 //
 311         }
 312         return '';
 313 }
 314
 315 function setFeedUnread(feed, is_cat, unread) {
 316         try {
 317                 var tree = dijit.byId("feedTree");
 318
 319                 if (tree && tree.model)
 320                         return tree.model.setFeedUnread(feed, is_cat, unread);
 321
 322         } catch (e) {
 323                 exception_error("setFeedUnread", e);
 324         }
 325 }
 326
 327 function setFeedValue(feed, is_cat, key, value) {
 328         try {
 329                 var tree = dijit.byId("feedTree");
 330
 331                 if (tree && tree.model)
 332                         return tree.model.setFeedValue(feed, is_cat, key, value);
 333
 334         } catch (e) {
 335                 //
 336         }
 337 }
 338
 339 function selectFeed(feed, is_cat) {
 340         try {
 341                 var tree = dijit.byId("feedTree");
 342
 343                 if (tree) return tree.selectFeed(feed, is_cat);
 344
 345         } catch (e) {
 346                 exception_error("selectFeed", e);
 347         }
 348 }
 349
 350 function setFeedIcon(feed, is_cat, src) {
 351         try {
 352                 var tree = dijit.byId("feedTree");
 353
 354                 if (tree) return tree.setFeedIcon(feed, is_cat, src);
 355
 356         } catch (e) {
 357                 exception_error("setFeedIcon", e);
 358         }
 359 }
 360
 361 function setFeedExpandoIcon(feed, is_cat, src) {
 362         try {
 363                 var tree = dijit.byId("feedTree");
 364
 365                 if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src);
 366
 367         } catch (e) {
 368                 exception_error("setFeedIcon", e);
 369         }
 370         return false;
 371 }
 372
 373 function getNextUnreadFeed(feed, is_cat) {
 374         try {
 375                 var tree = dijit.byId("feedTree");
 376                 var nuf = tree.model.getNextUnreadFeed(feed, is_cat);
 377
 378                 if (nuf)
 379                         return tree.model.store.getValue(nuf, 'bare_id');
 380
 381         } catch (e) {
 382                 exception_error("getNextUnreadFeed", e);
 383         }
 384 }
 385
 386 function catchupCurrentFeed(mode) {
 387         catchupFeed(getActiveFeedId(), activeFeedIsCat(), mode);
 388 }
 389
 390 function catchupFeedInGroup(id) {
 391         try {
 392
 393                 var title = getFeedName(id);
 394
 395                 var str = __("Mark all articles in %s as read?").replace("%s", title);
 396
 397                 if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 398                         return viewCurrentFeed('MarkAllReadGR:' + id);
 399                 }
 400
 401         } catch (e) {
 402                 exception_error("catchupFeedInGroup", e);
 403         }
 404 }
 405
 406 function catchupFeed(feed, is_cat, mode) {
 407         try {
 408                 if (is_cat == undefined) is_cat = false;
 409
 410                 var str = false;
 411
 412                 switch (mode) {
 413                 case "1day":
 414                         str = __("Mark all articles in %s older than 1 day as read?");
 415                         break;
 416                 case "1week":
 417                         str = __("Mark all articles in %s older than 1 week as read?");
 418                         break;
 419                 case "2weeks":
 420                         str = __("Mark all articles in %s older than 2 weeks as read?");
 421                         break;
 422                 default:
 423                         str = __("Mark all articles in %s as read?");
 424                 }
 425
 426                 var fn = getFeedName(feed, is_cat);
 427
 428                 str = str.replace("%s", fn);
 429
 430                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 431                         return;
 432                 }
 433
 434                 var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" +
 435                         feed + "&is_cat=" + is_cat + "&mode=" + mode;
 436
 437                 console.log(catchup_query);
 438
 439                 notify_progress("Loading, please wait...", true);
 440
 441                 new Ajax.Request("backend.php", {
 442                         parameters: catchup_query,
 443                         onComplete: function(transport) {
 444                                         handle_rpc_json(transport);
 445
 446                                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 447
 448                                         if (show_next_feed) {
 449                                                 var nuf = getNextUnreadFeed(feed, is_cat);
 450
 451                                                 if (nuf) {
 452                                                         viewfeed(nuf, '', is_cat);
 453                                                 }
 454                                         } else {
 455                                                 if (feed == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 456                                                         viewCurrentFeed();
 457                                                 }
 458                                         }
 459
 460                                         notify("");
 461                                 } });
 462
 463         } catch (e) {
 464                 exception_error("catchupFeed", e);
 465         }
 466 }
 467
 468 function decrementFeedCounter(feed, is_cat) {
 469         try {
 470                 var ctr = getFeedUnread(feed, is_cat);
 471
 472                 if (ctr > 0) {
 473                         setFeedUnread(feed, is_cat, ctr - 1);
 474                         global_unread = global_unread - 1;
 475                         updateTitle();
 476
 477                         if (!is_cat) {
 478                                 var cat = parseInt(getFeedCategory(feed));
 479
 480                                 if (!isNaN(cat)) {
 481                                         ctr = getFeedUnread(cat, true);
 482
 483                                         if (ctr > 0) {
 484                                                 setFeedUnread(cat, true, ctr - 1);
 485                                         }
 486                                 }
 487                         }
 488                 }
 489
 490         } catch (e) {
 491                 exception_error("decrement_feed_counter", e);
 492         }
 493 }
 494
 495