tt-rss.js

   1 /*
   2         This program is Copyright (c) 2003-2005 Andrew Dolgov <cthulhoo@gmail.com>
   3         Licensed under GPL v.2 or (at your preference) any later version.
   4 */
   5
   6 var xmlhttp = false;
   7 var xmlhttp_rpc = false;
   8 var xmlhttp_view = false;
   9
  10 var total_unread = 0;
  11 var first_run = true;
  12
  13 var active_post_id = false;
  14 var active_feed_id = false;
  15 var active_offset = false;
  16
  17 var total_feed_entries = false;
  18
  19 var search_query = "";
  20
  21 /*@cc_on @*/
  22 /*@if (@_jscript_version >= 5)
  23 // JScript gives us Conditional compilation, we can cope with old IE versions.
  24 // and security blocked creation of the objects.
  25 try {
  26         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  27 } catch (e) {
  28         try {
  29                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  30                 xmlhttp_rpc = new ActiveXObject("Microsoft.XMLHTTP");
  31                 xmlhttp_view = new ActiveXObject("Microsoft.XMLHTTP");
  32         } catch (E) {
  33                 xmlhttp = false;
  34                 xmlhttp_rpc = false;
  35                 xmlhttp_view = false;
  36         }
  37 }
  38 @end @*/
  39
  40 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  41         xmlhttp = new XMLHttpRequest();
  42         xmlhttp_rpc = new XMLHttpRequest();
  43         xmlhttp_view = new XMLHttpRequest();
  44 }
  45
  46 function feedlist_callback() {
  47         var container = document.getElementById('feeds');
  48         if (xmlhttp.readyState == 4) {
  49                 container.innerHTML=xmlhttp.responseText;
  50
  51                 if (first_run) {
  52                         scheduleFeedUpdate(false);
  53                         first_run = false;
  54                 } else {
  55                         notify("");
  56                 }
  57         }
  58 }
  59
  60 /*
  61 function viewfeed_callback() {
  62         var container = document.getElementById('headlines');
  63         if (xmlhttp.readyState == 4) {
  64                 container.innerHTML = xmlhttp.responseText;
  65
  66                 var factive = document.getElementById("FACTIVE");
  67                 var funread = document.getElementById("FUNREAD");
  68                 var ftotal = document.getElementById("FTOTAL");
  69
  70                 if (_viewfeed_autoselect_first == true) {
  71                         _viewfeed_autoselect_first = false;
  72                         view(getFirstVisibleHeadlineId(), active_feed_id);
  73                 }
  74
  75                 if (_viewfeed_autoselect_last == true) {
  76                         _viewfeed_autoselect_last = false;
  77                         view(getLastVisibleHeadlineId(), active_feed_id);
  78                 }
  79
  80                 if (ftotal && factive && funread) {
  81                         var feed_id = factive.innerHTML;
  82
  83                         var feedr = document.getElementById("FEEDR-" + feed_id);
  84                         var feedt = document.getElementById("FEEDT-" + feed_id);
  85                         var feedu = document.getElementById("FEEDU-" + feed_id);
  86
  87                         feedt.innerHTML = ftotal.innerHTML;
  88                         feedu.innerHTML = funread.innerHTML;
  89
  90                         total_feed_entries = ftotal.innerHTML;
  91
  92                         if (feedu.innerHTML > 0 && !feedr.className.match("Unread")) {
  93                                         feedr.className = feedr.className + "Unread";
  94                         } else if (feedu.innerHTML <= 0) {
  95                                         feedr.className = feedr.className.replace("Unread", "");
  96                         }
  97
  98                         cleanSelected("feedsList");
  99
 100                         feedr.className = feedr.className + "Selected";
 101                 }
 102
 103                 var searchbox = document.getElementById("searchbox");
 104                 searchbox.value = search_query;
 105
 106                 markHeadline(active_post_id);
 107
 108                 notify("");
 109
 110         }
 111 } */
 112
 113 function refetch_callback() {
 114
 115         if (xmlhttp_rpc.readyState == 4) {
 116                 notify("All feeds updated");
 117                 var container = document.getElementById('feeds');
 118                 container.innerHTML = xmlhttp_rpc.responseText;
 119                 document.title = "Tiny Tiny RSS";
 120         }
 121 }
 122
 123 function updateFeed(feed_id) {
 124
 125         var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
 126
 127         if (xmlhttp_ready(xmlhttp_rpc)) {
 128                 xmlhttp_rpc.open("GET", query_str, true);
 129                 xmlhttp_rpc.onreadystatechange=feed_update_callback;
 130                 xmlhttp_rpc.send(null);
 131         } else {
 132                 printLockingError();
 133         }
 134
 135 }
 136
 137 function scheduleFeedUpdate(force) {
 138
 139         notify("Updating feeds in background...");
 140
 141         document.title = "Tiny Tiny RSS - Updating...";
 142
 143         var query_str = "backend.php?op=rpc&subop=";
 144
 145         if (force) {
 146                 query_str = query_str + "forceUpdateAllFeeds";
 147         } else {
 148                 query_str = query_str + "updateAllFeeds";
 149         }
 150
 151         if (xmlhttp_ready(xmlhttp_rpc)) {
 152                 xmlhttp_rpc.open("GET", query_str, true);
 153                 xmlhttp_rpc.onreadystatechange=refetch_callback;
 154                 xmlhttp_rpc.send(null);
 155         } else {
 156                 printLockingError();
 157         }
 158 }
 159
 160 function updateFeedList(silent, fetch) {
 161
 162         if (silent != true) {
 163                 notify("Loading feed list...");
 164         }
 165
 166         var query_str = "backend.php?op=feeds";
 167
 168         if (fetch) query_str = query_str + "&fetch=yes";
 169
 170         if (xmlhttp_ready(xmlhttp)) {
 171                 xmlhttp.open("GET", query_str, true);
 172                 xmlhttp.onreadystatechange=feedlist_callback;
 173                 xmlhttp.send(null);
 174         } else {
 175                 printLockingError();
 176         }
 177 }
 178
 179 /*
 180 function catchupPage(feed) {
 181
 182         if (!xmlhttp_ready(xmlhttp)) {
 183                 printLockingError();
 184                 return
 185         }
 186
 187         var content = document.getElementById("headlinesList");
 188
 189         var rows = new Array();
 190
 191         for (i = 0; i < content.rows.length; i++) {
 192                 var row_id = content.rows[i].id.replace("RROW-", "");
 193                 if (row_id.length > 0) {
 194                         if (content.rows[i].className.match("Unread")) {
 195                                 rows.push(row_id);
 196                                 content.rows[i].className = content.rows[i].className.replace("Unread", "");
 197                         }
 198
 199                         var upd_img_pic = document.getElementById("FUPDPIC-" + row_id);
 200                         if (upd_img_pic) {
 201                                 upd_img_pic.innerHTML = "";
 202                         }
 203                 }
 204         }
 205
 206         if (rows.length > 0) {
 207
 208                 var feedr = document.getElementById("FEEDR-" + feed);
 209                 var feedu = document.getElementById("FEEDU-" + feed);
 210
 211                 feedu.innerHTML = feedu.innerHTML - rows.length;
 212
 213                 if (feedu.innerHTML > 0 && !feedr.className.match("Unread")) {
 214                                 feedr.className = feedr.className + "Unread";
 215                 } else if (feedu.innerHTML <= 0) {
 216                                 feedr.className = feedr.className.replace("Unread", "");
 217                 }
 218
 219                 var query_str = "backend.php?op=rpc&subop=catchupPage&ids=" +
 220                         param_escape(rows.toString());
 221
 222                 notify("Marking this page as read...");
 223
 224                 var button = document.getElementById("btnCatchupPage");
 225
 226                 if (button) {
 227                         button.className = "disabledButton";
 228                         button.href = "";
 229                 }
 230
 231                 xmlhttp.open("GET", query_str, true);
 232                 xmlhttp.onreadystatechange=notify_callback;
 233                 xmlhttp.send(null);
 234
 235         } else {
 236                 notify("No unread items on this page.");
 237
 238         }
 239 } */
 240
 241 function catchupAllFeeds() {
 242
 243         if (!xmlhttp_ready(xmlhttp)) {
 244                 printLockingError();
 245                 return
 246         }
 247         var query_str = "backend.php?op=feeds&subop=catchupAll";
 248
 249         notify("Marking all feeds as read...");
 250
 251         xmlhttp.open("GET", query_str, true);
 252         xmlhttp.onreadystatechange=feedlist_callback;
 253         xmlhttp.send(null);
 254
 255 }
 256
 257 function viewCurrentFeed(skip, subop) {
 258         if (active_feed_id) {
 259                 viewfeed(active_feed_id, skip, subop);
 260         }
 261 }
 262
 263 function viewfeed(feed, skip, subop) {
 264
 265         enableHotkeys();
 266
 267         var searchbox = document.getElementById("searchbox");
 268
 269         if (searchbox) {
 270                 search_query = searchbox.value;
 271         } else {
 272                 search_query = "";
 273         }
 274
 275         var viewbox = document.getElementById("viewbox");
 276
 277         var view_mode;
 278
 279         if (viewbox) {
 280                 view_mode = viewbox.value;
 281         } else {
 282                 view_mode = "All Posts";
 283         }
 284
 285         if (skip < 0 || skip > total_feed_entries) {
 286                 return;
 287         }
 288
 289         if (!xmlhttp_ready(xmlhttp)) {
 290                 printLockingError();
 291                 return
 292         }
 293
 294         if (active_feed_id != feed || skip != active_offset) {
 295                 active_post_id = false;
 296         }
 297
 298         active_feed_id = feed;
 299         active_offset = skip;
 300
 301         if (subop == "MarkAllRead") {
 302
 303                 var feedr = document.getElementById("FEEDR-" + feed);
 304                 var feedt = document.getElementById("FEEDT-" + feed);
 305                 var feedu = document.getElementById("FEEDU-" + feed);
 306
 307                 feedu.innerHTML = "0";
 308
 309                 if (feedr.className.match("Unread")) {
 310                         feedr.className = feedr.className.replace("Unread", "");
 311                 }
 312         }
 313
 314         var query = "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 315                 "&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) +
 316                 "&view=" + param_escape(view_mode);
 317
 318         if (search_query != "") {
 319                 query = query + "&search=" + param_escape(search_query);
 320         }
 321
 322         var headlines_frame = document.getElementById("headlines-frame");
 323
 324         headlines_frame.src = query + "&addheader=true";
 325
 326         var feedr = document.getElementById("FEEDR-" + feed);
 327
 328         cleanSelected("feedsList");
 329         feedr.className = feedr.className + "Selected";
 330
 331         var ftitle_d = document.getElementById("headlinesTitle");
 332         var ftitle_s = document.getElementById("FEEDN-" + feed);
 333
 334         ftitle_d.innerHTML = ftitle_s.innerHTML;
 335
 336         notify("");
 337
 338 }
 339
 340 /*
 341 function view(id,feed_id) {
 342
 343         enableHotkeys();
 344
 345         if (!xmlhttp_ready(xmlhttp_view)) {
 346                 printLockingError();
 347                 return
 348         }
 349
 350         var crow = document.getElementById("RROW-" + id);
 351
 352         if (crow.className.match("Unread")) {
 353                 var umark = document.getElementById("FEEDU-" + feed_id);
 354                 umark.innerHTML = umark.innerHTML - 1;
 355                 crow.className = crow.className.replace("Unread", "");
 356
 357                 if (umark.innerHTML == "0") {
 358                         var feedr = document.getElementById("FEEDR-" + feed_id);
 359                         feedr.className = feedr.className.replace("Unread", "");
 360                 }
 361
 362                 total_unread--;
 363         }
 364
 365         cleanSelected("headlinesList");
 366 //      crow.className = crow.className + "Selected";
 367
 368         var upd_img_pic = document.getElementById("FUPDPIC-" + id);
 369
 370         if (upd_img_pic) {
 371                 upd_img_pic.innerHTML = "";
 372         }
 373
 374 //      document.getElementById('content').innerHTML='Loading, please wait...';
 375
 376         var unread_rows = getVisibleUnreadHeadlines();
 377
 378         if (unread_rows.length == 0) {
 379                 var button = document.getElementById("btnCatchupPage");
 380                 if (button) {
 381                         button.className = "disabledButton";
 382                         button.href = "";
 383                 }
 384         }
 385
 386         active_post_id = id;
 387
 388         var content = document.getElementById("content-frame");
 389
 390         content.src = "backend.php?op=view&addheader=true&id=" + param_escape(id);
 391         markHeadline(active_post_id);
 392
 393 }
 394 */
 395
 396 function timeout() {
 397         scheduleFeedUpdate(true);
 398         setTimeout("timeout()", 1800*1000);
 399 }
 400
 401 function resetSearch() {
 402         document.getElementById("searchbox").value = "";
 403         viewfeed(active_feed_id, 0, "");
 404 }
 405
 406 function search() {
 407         if (active_feed_id) {
 408                 viewfeed(active_feed_id, 0, "");
 409         } else {
 410                 notify("Please select some feed first.");
 411         }
 412 }
 413
 414 function localPiggieFunction(enable) {
 415         if (enable) {
 416                 var query_str = "backend.php?op=feeds&subop=piggie";
 417
 418                 if (xmlhttp_ready(xmlhttp)) {
 419
 420                         xmlhttp.open("GET", query_str, true);
 421                         xmlhttp.onreadystatechange=feedlist_callback;
 422                         xmlhttp.send(null);
 423                 }
 424         }
 425 }
 426
 427 /*
 428 function moveToPost(mode) {
 429
 430         var rows = getVisibleHeadlineIds();
 431
 432         var prev_id;
 433         var next_id;
 434
 435         if (active_post_id == false) {
 436                 next_id = getFirstVisibleHeadlineId();
 437                 prev_id = getLastVisibleHeadlineId();
 438         } else {
 439                 for (var i = 0; i < rows.length; i++) {
 440                         if (rows[i] == active_post_id) {
 441                                 prev_id = rows[i-1];
 442                                 next_id = rows[i+1];
 443                         }
 444                 }
 445         }
 446
 447         if (mode == "next") {
 448                 if (next_id != undefined) {
 449                         view(next_id, active_feed_id);
 450                 } else {
 451                         _viewfeed_autoselect_first = true;
 452                         viewfeed(active_feed_id, active_offset+15);
 453                 }
 454         }
 455
 456         if (mode == "prev") {
 457                 if ( prev_id != undefined) {
 458                         view(prev_id, active_feed_id);
 459                 } else {
 460                         _viewfeed_autoselect_last = true;
 461                         viewfeed(active_feed_id, active_offset-15);
 462                 }
 463         }
 464
 465 }
 466 */
 467
 468 function localHotkeyHandler(keycode) {
 469
 470 /*      if (keycode == 78) {
 471                 return moveToPost('next');
 472         }
 473
 474         if (keycode == 80) {
 475                 return moveToPost('prev');
 476         } */
 477
 478         if (keycode == 82) {
 479                 return scheduleFeedUpdate(true);
 480         }
 481
 482         if (keycode == 85) {
 483                 return viewfeed(active_feed_id, active_offset, "ForceUpdate");
 484         }
 485
 486 //      notify("KC: " + keycode);
 487
 488 }
 489
 490 function init() {
 491
 492         // IE kludge
 493
 494         if (xmlhttp && !xmlhttp_rpc) {
 495                 xmlhttp_rpc = xmlhttp;
 496                 xmlhttp_view = xmlhttp;
 497         }
 498
 499         if (!xmlhttp || !xmlhttp_rpc || !xmlhttp_view) {
 500                 document.getElementById("headlines").innerHTML =
 501                         "<b>Fatal error:</b> This program needs XmlHttpRequest " +
 502                         "to function properly. Your browser doesn't seem to support it.";
 503                 return;
 504         }
 505
 506         updateFeedList(false, false);
 507         document.onkeydown = hotkey_handler;
 508         setTimeout("timeout()", 1800*1000);
 509
 510         var content = document.getElementById("content");
 511 }