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