viewfeed.js

   1 var active_feed_id = false;
   2 var active_post_id = false;
   3 var total_unread = 0;
   4
   5 var xmlhttp_rpc = false;
   6
   7 /*@cc_on @*/
   8 /*@if (@_jscript_version >= 5)
   9 // JScript gives us Conditional compilation, we can cope with old IE versions.
  10 // and security blocked creation of the objects.
  11 try {
  12         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  13 } catch (e) {
  14         try {
  15                 xmlhttp_rpc = new ActiveXObject("Microsoft.XMLHTTP");
  16         } catch (E) {
  17                 xmlhttp_rpc = false;
  18         }
  19 }
  20 @end @*/
  21
  22 if (!xmlhttp_rpc && typeof XMLHttpRequest!='undefined') {
  23         xmlhttp_rpc = new XMLHttpRequest();
  24 }
  25
  26 function view(id, feed_id) {
  27
  28 //      p_notify("Loading article...");
  29
  30         enableHotkeys();
  31
  32         var crow = document.getElementById("RROW-" + id);
  33
  34         var f_doc = parent.frames["feeds-frame"].document;
  35
  36         if (crow.className.match("Unread")) {
  37                 var umark = f_doc.getElementById("FEEDU-" + feed_id);
  38
  39                 umark.innerHTML = umark.innerHTML - 1;
  40                 crow.className = crow.className.replace("Unread", "");
  41
  42                 if (umark.innerHTML == "0") {
  43                         var feedr = f_doc.getElementById("FEEDR-" + feed_id);
  44                         feedr.className = feedr.className.replace("Unread", "");
  45
  46                         var feedctr = f_doc.getElementById("FEEDCTR-" + feed_id);
  47
  48                         if (feedctr) {
  49                                 feedctr.innerHTML = "";
  50                         }
  51                 }
  52
  53                 total_unread--;
  54         }
  55
  56
  57         cleanSelected("headlinesList");
  58
  59         var upd_img_pic = document.getElementById("FUPDPIC-" + id);
  60
  61         if (upd_img_pic) {
  62                 upd_img_pic.innerHTML = "";
  63         }
  64
  65         var unread_rows = getVisibleUnreadHeadlines();
  66
  67         if (unread_rows.length == 0) {
  68                 var button = document.getElementById("btnCatchupPage");
  69                 if (button) {
  70                         button.className = "disabledButton";
  71                         button.href = "";
  72                 }
  73         }
  74
  75         active_post_id = id;
  76         active_feed_id = feed_id;
  77
  78         var content = parent.document.getElementById("content-frame");
  79
  80         if (content) {
  81                 content.src = "backend.php?op=view&addheader=true&id=" + param_escape(id);
  82                 markHeadline(active_post_id);
  83         }
  84 }
  85
  86
  87 function toggleMark(id, toggle) {
  88
  89         if (!xmlhttp_ready(xmlhttp_rpc)) {
  90                 printLockingError();
  91                 return;
  92         }
  93
  94         var mark_img = document.getElementById("FMARKPIC-" + id);
  95
  96         var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
  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         } else {
 104                 mark_img.src = "images/mark_unset.png";
 105                 mark_img.alt = "Set mark";
 106                 mark_img.setAttribute('onclick', 'javascript:toggleMark('+id+', true)');
 107                 query = query + "&mark=0";
 108         }
 109
 110         xmlhttp_rpc.open("GET", query, true);
 111         xmlhttp_rpc.onreadystatechange=rpc_notify_callback;
 112         xmlhttp_rpc.send(null);
 113
 114 }
 115
 116 function moveToPost(mode) {
 117
 118         var rows = getVisibleHeadlineIds();
 119
 120         var prev_id;
 121         var next_id;
 122
 123         if (active_post_id == false) {
 124                 next_id = getFirstVisibleHeadlineId();
 125                 prev_id = getLastVisibleHeadlineId();
 126         } else {
 127                 for (var i = 0; i < rows.length; i++) {
 128                         if (rows[i] == active_post_id) {
 129                                 prev_id = rows[i-1];
 130                                 next_id = rows[i+1];
 131                         }
 132                 }
 133         }
 134
 135         if (mode == "next") {
 136                 if (next_id != undefined) {
 137                         view(next_id, active_feed_id);
 138                 }
 139         }
 140
 141         if (mode == "prev") {
 142                 if ( prev_id != undefined) {
 143                         view(prev_id, active_feed_id);
 144                 }
 145         }
 146 }
 147
 148 function localHotkeyHandler(keycode) {
 149
 150         if (keycode == 78) {
 151                 return moveToPost('next');
 152         }
 153
 154         if (keycode == 80) {
 155                 return moveToPost('prev');
 156         }
 157
 158 // FIXME
 159 //      if (keycode == 85) {
 160 //              return viewfeed(active_feed_id, active_offset, "ForceUpdate");
 161 //      }
 162
 163 //      alert("KC: " + keycode);
 164
 165 }