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         if (crow.className.match("Unread")) {
  35                 var umark = parent.document.getElementById("FEEDU-" + feed_id);
  36                 umark.innerHTML = umark.innerHTML - 1;
  37                 crow.className = crow.className.replace("Unread", "");
  38
  39                 if (umark.innerHTML == "0") {
  40                         var feedr = parent.document.getElementById("FEEDR-" + feed_id);
  41                         feedr.className = feedr.className.replace("Unread", "");
  42                 }
  43
  44                 total_unread--;
  45         }
  46
  47         cleanSelected("headlinesList");
  48
  49         var upd_img_pic = document.getElementById("FUPDPIC-" + id);
  50
  51         if (upd_img_pic) {
  52                 upd_img_pic.innerHTML = "";
  53         }
  54
  55         var unread_rows = getVisibleUnreadHeadlines();
  56
  57         if (unread_rows.length == 0) {
  58                 var button = document.getElementById("btnCatchupPage");
  59                 if (button) {
  60                         button.className = "disabledButton";
  61                         button.href = "";
  62                 }
  63         }
  64
  65         active_post_id = id;
  66         active_feed_id = feed_id;
  67
  68         var content = parent.document.getElementById("content-frame");
  69
  70         if (content) {
  71                 content.src = "backend.php?op=view&addheader=true&id=" + param_escape(id);
  72                 markHeadline(active_post_id);
  73         }
  74 }
  75
  76
  77 function toggleMark(id, toggle) {
  78
  79         if (!xmlhttp_ready(xmlhttp_rpc)) {
  80                 printLockingError();
  81                 return;
  82         }
  83
  84         var mark_img = document.getElementById("FMARKPIC-" + id);
  85
  86         var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
  87
  88         if (toggle == true) {
  89                 mark_img.src = "images/mark_set.png";
  90                 mark_img.alt = "Reset mark";
  91                 mark_img.setAttribute('onclick', 'javascript:toggleMark('+id+', false)');
  92                 query = query + "&mark=1";
  93         } else {
  94                 mark_img.src = "images/mark_unset.png";
  95                 mark_img.alt = "Set mark";
  96                 mark_img.setAttribute('onclick', 'javascript:toggleMark('+id+', true)');
  97                 query = query + "&mark=0";
  98         }
  99
 100         xmlhttp_rpc.open("GET", query, true);
 101         xmlhttp_rpc.onreadystatechange=rpc_notify_callback;
 102         xmlhttp_rpc.send(null);
 103
 104 }
 105
 106 function moveToPost(mode) {
 107
 108         var rows = getVisibleHeadlineIds();
 109
 110         var prev_id;
 111         var next_id;
 112
 113         if (active_post_id == false) {
 114                 next_id = getFirstVisibleHeadlineId();
 115                 prev_id = getLastVisibleHeadlineId();
 116         } else {
 117                 for (var i = 0; i < rows.length; i++) {
 118                         if (rows[i] == active_post_id) {
 119                                 prev_id = rows[i-1];
 120                                 next_id = rows[i+1];
 121                         }
 122                 }
 123         }
 124
 125         if (mode == "next") {
 126                 if (next_id != undefined) {
 127                         view(next_id, active_feed_id);
 128                 }
 129         }
 130
 131         if (mode == "prev") {
 132                 if ( prev_id != undefined) {
 133                         view(prev_id, active_feed_id);
 134                 }
 135         }
 136 }
 137
 138 function localHotkeyHandler(keycode) {
 139
 140         if (keycode == 78) {
 141                 return moveToPost('next');
 142         }
 143
 144         if (keycode == 80) {
 145                 return moveToPost('prev');
 146         }
 147
 148 // FIXME
 149 //      if (keycode == 85) {
 150 //              return viewfeed(active_feed_id, active_offset, "ForceUpdate");
 151 //      }
 152
 153 //      alert("KC: " + keycode);
 154
 155 }