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                         } });
 143
 144         } catch (e) {
 145                 exception_error("viewfeed", e);
 146         }
 147 }
 148
 149 function feedlist_init() {
 150         try {
 151                 console.log("in feedlist init");
 152
 153                 document.onkeydown = hotkey_handler;
 154                 setTimeout("hotkey_prefix_timeout()", 5*1000);
 155
 156                 if (!getActiveFeedId()) {
 157                         viewfeed(-3);
 158                 } else {
 159                         viewfeed(getActiveFeedId(), '', activeFeedIsCat());
 160                 }
 161
 162                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 163
 164                 request_counters(true);
 165                 timeout();
 166
 167         } catch (e) {
 168                 exception_error("feedlist/init", e);
 169         }
 170 }
 171
 172
 173 function request_counters(force) {
 174         try {
 175                 var date = new Date();
 176                 var timestamp = Math.round(date.getTime() / 1000);
 177
 178                 if (force || timestamp - counters_last_request > 5) {
 179                         console.log("scheduling request of counters...");
 180
 181                         counters_last_request = timestamp;
 182
 183                         var query = "?op=rpc&method=getAllCounters&seq=" + next_seq();
 184
 185                         if (!force)
 186                                 query = query + "&last_article_id=" + getInitParam("last_article_id");
 187
 188                         console.log(query);
 189
 190                         new Ajax.Request("backend.php", {
 191                                 parameters: query,
 192                                 onComplete: function(transport) {
 193                                         try {
 194                                                 handle_rpc_json(transport);
 195                                         } catch (e) {
 196                                                 exception_error("request_counters", e);
 197                                         }
 198                                 } });
 199
 200                 } else {
 201                         console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
 202                 }
 203
 204         } catch (e) {
 205                 exception_error("request_counters", e);
 206         }
 207 }
 208
 209 function parse_counters(elems, scheduled_call) {
 210         try {
 211                 for (var l = 0; l < elems.length; l++) {
 212
 213                         var id = elems[l].id;
 214                         var kind = elems[l].kind;
 215                         var ctr = parseInt(elems[l].counter);
 216                         var error = elems[l].error;
 217                         var has_img = elems[l].has_img;
 218                         var updated = elems[l].updated;
 219
 220                         if (id == "global-unread") {
 221                                 global_unread = ctr;
 222                                 updateTitle();
 223                                 continue;
 224                         }
 225
 226                         if (id == "subscribed-feeds") {
 227                                 feeds_found = ctr;
 228                                 continue;
 229                         }
 230
 231                         if (getFeedUnread(id, (kind == "cat")) != ctr ||
 232                                         (kind == "cat")) {
 233                         }
 234
 235                         setFeedUnread(id, (kind == "cat"), ctr);
 236
 237                         if (kind != "cat") {
 238                                 setFeedValue(id, false, 'error', error);
 239                                 setFeedValue(id, false, 'updated', updated);
 240
 241                                 if (id > 0) {
 242                                         if (has_img) {
 243                                                 setFeedIcon(id, false,
 244                                                         getInitParam("icons_url") + "/" + id + ".ico");
 245                                         } else {
 246                                                 setFeedIcon(id, false, 'images/blank_icon.gif');
 247                                         }
 248                                 }
 249                         }
 250                 }
 251
 252                 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 253
 254         } catch (e) {
 255                 exception_error("parse_counters", e);
 256         }
 257 }
 258
 259 function getFeedUnread(feed, is_cat) {
 260         try {
 261                 var tree = dijit.byId("feedTree");
 262
 263                 if (tree && tree.model)
 264                         return tree.model.getFeedUnread(feed, is_cat);
 265
 266         } catch (e) {
 267                 //
 268         }
 269
 270         return -1;
 271 }
 272
 273 function getFeedCategory(feed) {
 274         try {
 275                 var tree = dijit.byId("feedTree");
 276
 277                 if (tree && tree.model)
 278                         return tree.getFeedCategory(feed);
 279
 280         } catch (e) {
 281                 //
 282         }
 283
 284         return false;
 285 }
 286
 287 function hideOrShowFeeds(hide) {
 288         var tree = dijit.byId("feedTree");
 289
 290         if (tree)
 291                 return tree.hideRead(hide, getInitParam("hide_read_shows_special"));
 292 }
 293
 294 function getFeedName(feed, is_cat) {
 295         var tree = dijit.byId("feedTree");
 296
 297         if (tree && tree.model)
 298                 return tree.model.getFeedValue(feed, is_cat, 'name');
 299 }
 300
 301 function getFeedValue(feed, is_cat, key) {
 302         try {
 303                 var tree = dijit.byId("feedTree");
 304
 305                 if (tree && tree.model)
 306                         return tree.model.getFeedValue(feed, is_cat, key);
 307
 308         } catch (e) {
 309                 //
 310         }
 311         return '';
 312 }
 313
 314 function setFeedUnread(feed, is_cat, unread) {
 315         try {
 316                 var tree = dijit.byId("feedTree");
 317
 318                 if (tree && tree.model)
 319                         return tree.model.setFeedUnread(feed, is_cat, unread);
 320
 321         } catch (e) {
 322                 exception_error("setFeedUnread", e);
 323         }
 324 }
 325
 326 function setFeedValue(feed, is_cat, key, value) {
 327         try {
 328                 var tree = dijit.byId("feedTree");
 329
 330                 if (tree && tree.model)
 331                         return tree.model.setFeedValue(feed, is_cat, key, value);
 332
 333         } catch (e) {
 334                 //
 335         }
 336 }
 337
 338 function selectFeed(feed, is_cat) {
 339         try {
 340                 var tree = dijit.byId("feedTree");
 341
 342                 if (tree) return tree.selectFeed(feed, is_cat);
 343
 344         } catch (e) {
 345                 exception_error("selectFeed", e);
 346         }
 347 }
 348
 349 function setFeedIcon(feed, is_cat, src) {
 350         try {
 351                 var tree = dijit.byId("feedTree");
 352
 353                 if (tree) return tree.setFeedIcon(feed, is_cat, src);
 354
 355         } catch (e) {
 356                 exception_error("setFeedIcon", e);
 357         }
 358 }
 359
 360 function setFeedExpandoIcon(feed, is_cat, src) {
 361         try {
 362                 var tree = dijit.byId("feedTree");
 363
 364                 if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src);
 365
 366         } catch (e) {
 367                 exception_error("setFeedIcon", e);
 368         }
 369         return false;
 370 }
 371
 372 function getNextUnreadFeed(feed, is_cat) {
 373         try {
 374                 var tree = dijit.byId("feedTree");
 375                 var nuf = tree.model.getNextUnreadFeed(feed, is_cat);
 376
 377                 if (nuf)
 378                         return tree.model.store.getValue(nuf, 'bare_id');
 379
 380         } catch (e) {
 381                 exception_error("getNextUnreadFeed", e);
 382         }
 383 }
 384
 385 function catchupCurrentFeed(mode) {
 386         catchupFeed(getActiveFeedId(), activeFeedIsCat(), mode);
 387 }
 388
 389 function catchupFeedInGroup(id) {
 390         try {
 391
 392                 var title = getFeedName(id);
 393
 394                 var str = __("Mark all articles in %s as read?").replace("%s", title);
 395
 396                 if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 397                         return viewCurrentFeed('MarkAllReadGR:' + id);
 398                 }
 399
 400         } catch (e) {
 401                 exception_error("catchupFeedInGroup", e);
 402         }
 403 }
 404
 405 function catchupFeed(feed, is_cat, mode) {
 406         try {
 407                 if (is_cat == undefined) is_cat = false;
 408
 409                 var str = false;
 410
 411                 switch (mode) {
 412                 case "1day":
 413                         str = __("Mark all articles in %s older than 1 day as read?");
 414                         break;
 415                 case "1week":
 416                         str = __("Mark all articles in %s older than 1 week as read?");
 417                         break;
 418                 case "2weeks":
 419                         str = __("Mark all articles in %s older than 2 weeks as read?");
 420                         break;
 421                 default:
 422                         str = __("Mark all articles in %s as read?");
 423                 }
 424
 425                 var fn = getFeedName(feed, is_cat);
 426
 427                 str = str.replace("%s", fn);
 428
 429                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 430                         return;
 431                 }
 432
 433                 var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" +
 434                         feed + "&is_cat=" + is_cat + "&mode=" + mode;
 435
 436                 console.log(catchup_query);
 437
 438                 notify_progress("Loading, please wait...", true);
 439
 440                 new Ajax.Request("backend.php", {
 441                         parameters: catchup_query,
 442                         onComplete: function(transport) {
 443                                         handle_rpc_json(transport);
 444
 445                                         var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 446
 447                                         if (show_next_feed) {
 448                                                 var nuf = getNextUnreadFeed(feed, is_cat);
 449
 450                                                 if (nuf) {
 451                                                         viewfeed(nuf, '', is_cat);
 452                                                 }
 453                                         } else {
 454                                                 if (feed == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 455                                                         viewCurrentFeed();
 456                                                 }
 457                                         }
 458
 459                                         notify("");
 460                                 } });
 461
 462         } catch (e) {
 463                 exception_error("catchupFeed", e);
 464         }
 465 }
 466
 467 function decrementFeedCounter(feed, is_cat) {
 468         try {
 469                 var ctr = getFeedUnread(feed, is_cat);
 470
 471                 if (ctr > 0) {
 472                         setFeedUnread(feed, is_cat, ctr - 1);
 473                         global_unread = global_unread - 1;
 474                         updateTitle();
 475
 476                         if (!is_cat) {
 477                                 var cat = parseInt(getFeedCategory(feed));
 478
 479                                 if (!isNaN(cat)) {
 480                                         ctr = getFeedUnread(cat, true);
 481
 482                                         if (ctr > 0) {
 483                                                 setFeedUnread(cat, true, ctr - 1);
 484                                         }
 485                                 }
 486                         }
 487                 }
 488
 489         } catch (e) {
 490                 exception_error("decrement_feed_counter", e);
 491         }
 492 }
 493
 494