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
  58         cleanSelected("headlinesList");
  59
  60         var upd_img_pic = h_document.getElementById("FUPDPIC-" + id);
  61
  62         if (upd_img_pic) {
  63                 upd_img_pic.src = "images/blank_icon.gif";
  64         }
  65
  66         var unread_rows = getVisibleUnreadHeadlines();
  67
  68         if (unread_rows.length == 0) {
  69                 var button = h_document.getElementById("btnCatchupPage");
  70                 if (button) {
  71                         button.className = "disabledButton";
  72                         button.href = "";
  73                 }
  74         }
  75
  76         active_post_id = id;
  77         setActiveFeedId(feed_id);
  78
  79         var content = m_document.getElementById("content-frame");
  80
  81         if (content) {
  82                 content.src = "backend.php?op=view&addheader=true&id=" + param_escape(id);
  83                 markHeadline(active_post_id);
  84         }
  85
  86 }
  87
  88
  89 function toggleMark(id, toggle) {
  90
  91         var f_document = parent.frames["feeds-frame"].document;
  92
  93         if (!xmlhttp_ready(xmlhttp_rpc)) {
  94                 printLockingError();
  95                 return;
  96         }
  97
  98         var mark_img = document.getElementById("FMARKPIC-" + id);
  99
 100         var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 101
 102         var vfeedu = f_document.getElementById("FEEDU--1");
 103
 104 //      alert(vfeedu);
 105
 106         if (toggle == true) {
 107                 mark_img.src = "images/mark_set.png";
 108                 mark_img.alt = "Reset mark";
 109                 mark_img.setAttribute('onclick', 'javascript:toggleMark('+id+', false)');
 110                 query = query + "&mark=1";
 111
 112                 if (vfeedu) vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 113
 114         } else {
 115                 mark_img.src = "images/mark_unset.png";
 116                 mark_img.alt = "Set mark";
 117                 mark_img.setAttribute('onclick', 'javascript:toggleMark('+id+', true)');
 118                 query = query + "&mark=0";
 119
 120                 if (vfeedu) vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 121
 122         }
 123
 124         var vfeedctr = f_document.getElementById("FEEDCTR--1");
 125
 126         if (vfeedu && vfeedctr) {
 127                 if ((+vfeedu.innerHTML) > 0) {
 128                         vfeedctr.className = "odd";
 129                 } else {
 130                         vfeedctr.className = "invisible";
 131                 }
 132         }
 133
 134         xmlhttp_rpc.open("GET", query, true);
 135         xmlhttp_rpc.onreadystatechange=rpc_notify_callback;
 136         xmlhttp_rpc.send(null);
 137
 138 }
 139
 140 function moveToPost(mode) {
 141
 142         var rows = getVisibleHeadlineIds();
 143
 144         var prev_id;
 145         var next_id;
 146
 147         if (active_post_id == false) {
 148                 next_id = getFirstVisibleHeadlineId();
 149                 prev_id = getLastVisibleHeadlineId();
 150         } else {
 151                 for (var i = 0; i < rows.length; i++) {
 152                         if (rows[i] == active_post_id) {
 153                                 prev_id = rows[i-1];
 154                                 next_id = rows[i+1];
 155                         }
 156                 }
 157         }
 158
 159         if (mode == "next") {
 160                 if (next_id != undefined) {
 161                         view(next_id, getActiveFeedId());
 162                 }
 163         }
 164
 165         if (mode == "prev") {
 166                 if ( prev_id != undefined) {
 167                         view(prev_id, getActiveFeedId());
 168                 }
 169         }
 170 }
 171
 172 function localHotkeyHandler(keycode) {
 173
 174         if (keycode == 78) {
 175                 return moveToPost('next');
 176         }
 177
 178         if (keycode == 80) {
 179                 return moveToPost('prev');
 180         }
 181
 182 // FIXME
 183 //      if (keycode == 85) {
 184 //              return viewfeed(active_feed_id, active_offset, "ForceUpdate");
 185 //      }
 186
 187 //      alert("KC: " + keycode);
 188
 189 }