viewfeed.js

   1 var active_post_id = false;
   2 var total_unread = 0;
   3
   4 var xmlhttp_rpc = false;
   5
   6 /*@cc_on @*/
   7 /*@if (@_jscript_version >= 5)
   8 // JScript gives us Conditional compilation, we can cope with old IE versions.
   9 // and security blocked creation of the objects.
  10 try {
  11         xmlhttp_rpc = new ActiveXObject("Msxml2.XMLHTTP");
  12 } catch (e) {
  13         try {
  14                 xmlhttp_rpc = new ActiveXObject("Microsoft.XMLHTTP");
  15         } catch (E) {
  16                 xmlhttp_rpc = false;
  17         }
  18 }
  19 @end @*/
  20
  21 if (!xmlhttp_rpc && typeof XMLHttpRequest!='undefined') {
  22         xmlhttp_rpc = new XMLHttpRequest();
  23 }
  24
  25 function view(id, feed_id) {
  26
  27 //      p_notify("Loading article...");
  28
  29         var f_document = parent.frames["feeds-frame"].document;
  30         var h_document = document;
  31         var m_document = parent.document;
  32
  33         enableHotkeys();
  34
  35         var crow = h_document.getElementById("RROW-" + id);
  36
  37 /*      if (crow.className.match("Unread")) {
  38                 var umark = f_document.getElementById("FEEDU-" + feed_id);
  39
  40                 umark.innerHTML = umark.innerHTML - 1;
  41                 crow.className = crow.className.replace("Unread", "");
  42
  43                 if (umark.innerHTML == "0") {
  44                         var feedr = f_document.getElementById("FEEDR-" + feed_id);
  45                         feedr.className = feedr.className.replace("Unread", "");
  46
  47                         var feedctr = f_document.getElementById("FEEDCTR-" + feed_id);
  48
  49                         if (feedctr) {
  50                                 feedctr.className = "invisible";
  51                         }
  52                 }
  53
  54                 total_unread--;
  55         }        */
  56
  57         crow.className = crow.className.replace("Unread", "");
  58
  59         cleanSelected("headlinesList");
  60
  61         var upd_img_pic = h_document.getElementById("FUPDPIC-" + id);
  62
  63         if (upd_img_pic) {
  64                 upd_img_pic.src = "images/blank_icon.gif";
  65         }
  66
  67         active_post_id = id;
  68         setActiveFeedId(feed_id);
  69
  70         var content = m_document.getElementById("content-frame");
  71
  72         if (content) {
  73                 content.src = "backend.php?op=view&addheader=true&id=" + param_escape(id) +
  74                         "&feed=" + param_escape(feed_id);
  75                 markHeadline(active_post_id);
  76         }
  77
  78 }
  79
  80
  81 function toggleMark(id, toggle) {
  82
  83         var f_document = parent.frames["feeds-frame"].document;
  84
  85         if (!xmlhttp_ready(xmlhttp_rpc)) {
  86                 printLockingError();
  87                 return;
  88         }
  89
  90         var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
  91
  92         var mark_img = document.getElementById("FMARKPIC-" + id);
  93         var vfeedu = f_document.getElementById("FEEDU--1");
  94         var crow = document.getElementById("RROW-" + id);
  95
  96 //      alert(vfeedu);
  97
  98         if (toggle == true) {
  99                 mark_img.src = "images/mark_set.png";
 100                 mark_img.alt = "Reset mark";
 101                 mark_img.setAttribute('onclick', 'javascript:toggleMark('+id+', false)');
 102                 query = query + "&mark=1";
 103
 104                 if (vfeedu && crow.className.match("Unread")) {
 105                         vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 106                 }
 107
 108         } else {
 109                 mark_img.src = "images/mark_unset.png";
 110                 mark_img.alt = "Set mark";
 111                 mark_img.setAttribute('onclick', 'javascript:toggleMark('+id+', true)');
 112                 query = query + "&mark=0";
 113
 114                 if (vfeedu && crow.className.match("Unread")) {
 115                         vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 116                 }
 117
 118         }
 119
 120         var vfeedctr = f_document.getElementById("FEEDCTR--1");
 121         var vfeedr = f_document.getElementById("FEEDR--1");
 122
 123         if (vfeedu && vfeedctr) {
 124                 if ((+vfeedu.innerHTML) > 0) {
 125                         if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 126                                 vfeedr.className = vfeedr.className + "Unread";
 127                                 vfeedctr.className = "odd";
 128                         }
 129                 } else {
 130                         vfeedctr.className = "invisible";
 131                         vfeedr.className = vfeedr.className.replace("Unread", "");
 132                 }
 133         }
 134
 135         xmlhttp_rpc.open("GET", query, true);
 136         xmlhttp_rpc.onreadystatechange=rpc_notify_callback;
 137         xmlhttp_rpc.send(null);
 138
 139 }
 140
 141 function moveToPost(mode) {
 142
 143         var rows = getVisibleHeadlineIds();
 144
 145         var prev_id;
 146         var next_id;
 147
 148         if (active_post_id == false) {
 149                 next_id = getFirstVisibleHeadlineId();
 150                 prev_id = getLastVisibleHeadlineId();
 151         } else {
 152                 for (var i = 0; i < rows.length; i++) {
 153                         if (rows[i] == active_post_id) {
 154                                 prev_id = rows[i-1];
 155                                 next_id = rows[i+1];
 156                         }
 157                 }
 158         }
 159
 160         if (mode == "next") {
 161                 if (next_id != undefined) {
 162                         view(next_id, getActiveFeedId());
 163                 }
 164         }
 165
 166         if (mode == "prev") {
 167                 if ( prev_id != undefined) {
 168                         view(prev_id, getActiveFeedId());
 169                 }
 170         }
 171 }
 172
 173 function viewfeed(id) {
 174         var f = parent.frames["feeds-frame"];
 175         f.viewfeed(id, 0);
 176 }
 177
 178 function localHotkeyHandler(keycode) {
 179
 180         if (keycode == 78) { // n
 181                 return moveToPost('next');
 182         }
 183
 184         if (keycode == 80) { // p
 185                 return moveToPost('prev');
 186         }
 187
 188         if (keycode == 65) { // a
 189                 return parent.toggleDispRead();
 190         }
 191
 192         if (keycode == 85) { // u
 193                 if (parent.getActiveFeedId()) {
 194                         return parent.viewfeed(parent.getActiveFeedId(), 0, "ForceUpdate");
 195                 }
 196         }
 197
 198         if (keycode == 82) { // r
 199                 return parent.scheduleFeedUpdate(true);
 200         }
 201
 202 // FIXME
 203 //      if (keycode == 85) {
 204 //              return viewfeed(active_feed_id, active_offset, "ForceUpdate");
 205 //      }
 206
 207 //      alert("KC: " + keycode);
 208
 209 }
 210
 211 function init() {
 212         document.onkeydown = hotkey_handler;
 213 }