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         enableHotkeys();
  29
  30         var crow = document.getElementById("RROW-" + id);
  31
  32         if (crow.className.match("Unread")) {
  33                 var umark = parent.document.getElementById("FEEDU-" + feed_id);
  34                 umark.innerHTML = umark.innerHTML - 1;
  35                 crow.className = crow.className.replace("Unread", "");
  36
  37                 if (umark.innerHTML == "0") {
  38                         var feedr = parent.document.getElementById("FEEDR-" + feed_id);
  39                         feedr.className = feedr.className.replace("Unread", "");
  40                 }
  41
  42                 total_unread--;
  43         }
  44
  45         cleanSelected("headlinesList");
  46
  47         var upd_img_pic = document.getElementById("FUPDPIC-" + id);
  48
  49         if (upd_img_pic) {
  50                 upd_img_pic.innerHTML = "";
  51         }
  52
  53         var unread_rows = getVisibleUnreadHeadlines();
  54
  55         if (unread_rows.length == 0) {
  56                 var button = document.getElementById("btnCatchupPage");
  57                 if (button) {
  58                         button.className = "disabledButton";
  59                         button.href = "";
  60                 }
  61         }
  62
  63         active_post_id = id;
  64         active_feed_id = feed_id;
  65
  66         var content = parent.document.getElementById("content-frame");
  67
  68         if (content) {
  69                 content.src = "backend.php?op=view&addheader=true&id=" + param_escape(id);
  70                 markHeadline(active_post_id);
  71         }
  72 }
  73
  74 function toggleMark(id, toggle) {
  75
  76 //      notify("Toggle mark: " + id + ", " + toggle);
  77
  78         if (!xmlhttp_ready(xmlhttp_rpc)) {
  79                 printLockingError();
  80                 return;
  81         }
  82
  83         var mark_img = document.getElementById("FMARKPIC-" + id);
  84
  85         var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
  86
  87         if (toggle == true) {
  88                 mark_img.src = "images/mark_set.png";
  89                 mark_img.alt = "Reset mark";
  90                 mark_img.setAttribute('onclick', 'javascript:toggleMark('+id+', false)');
  91                 query = query + "&mark=1";
  92         } else {
  93                 mark_img.src = "images/mark_unset.png";
  94                 mark_img.alt = "Set mark";
  95                 mark_img.setAttribute('onclick', 'javascript:toggleMark('+id+', true)');
  96                 query = query + "&mark=0";
  97         }
  98
  99         xmlhttp_rpc.open("GET", query, true);
 100         xmlhttp_rpc.onreadystatechange=rpc_notify_callback;
 101         xmlhttp_rpc.send(null);
 102
 103 }
 104
 105 function moveToPost(mode) {
 106
 107         var rows = getVisibleHeadlineIds();
 108
 109         var prev_id;
 110         var next_id;
 111
 112         if (active_post_id == false) {
 113                 next_id = getFirstVisibleHeadlineId();
 114                 prev_id = getLastVisibleHeadlineId();
 115         } else {
 116                 for (var i = 0; i < rows.length; i++) {
 117                         if (rows[i] == active_post_id) {
 118                                 prev_id = rows[i-1];
 119                                 next_id = rows[i+1];
 120                         }
 121                 }
 122         }
 123
 124         if (mode == "next") {
 125                 if (next_id != undefined) {
 126                         view(next_id, active_feed_id);
 127                 }
 128         }
 129
 130         if (mode == "prev") {
 131                 if ( prev_id != undefined) {
 132                         view(prev_id, active_feed_id);
 133                 }
 134         }
 135 }
 136
 137 function localHotkeyHandler(keycode) {
 138
 139         if (keycode == 78) {
 140                 return moveToPost('next');
 141         }
 142
 143         if (keycode == 80) {
 144                 return moveToPost('prev');
 145         }
 146
 147 // FIXME
 148 //      if (keycode == 85) {
 149 //              return viewfeed(active_feed_id, active_offset, "ForceUpdate");
 150 //      }
 151
 152 //      alert("KC: " + keycode);
 153
 154 }