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 = 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         enableHotkeys();
  30
  31         var crow = document.getElementById("RROW-" + id);
  32
  33         var f_doc = parent.frames["feeds-frame"].document;
  34
  35         if (crow.className.match("Unread")) {
  36                 var umark = f_doc.getElementById("FEEDU-" + feed_id);
  37
  38                 umark.innerHTML = umark.innerHTML - 1;
  39                 crow.className = crow.className.replace("Unread", "");
  40
  41                 if (umark.innerHTML == "0") {
  42                         var feedr = f_doc.getElementById("FEEDR-" + feed_id);
  43                         feedr.className = feedr.className.replace("Unread", "");
  44
  45                         var feedctr = f_doc.getElementById("FEEDCTR-" + feed_id);
  46
  47                         if (feedctr) {
  48                                 feedctr.className = "invisible";
  49                         }
  50                 }
  51
  52                 total_unread--;
  53         }
  54
  55
  56         cleanSelected("headlinesList");
  57
  58         var upd_img_pic = document.getElementById("FUPDPIC-" + id);
  59
  60         if (upd_img_pic) {
  61                 upd_img_pic.src = "images/blank_icon.gif";
  62         }
  63
  64         var unread_rows = getVisibleUnreadHeadlines();
  65
  66         if (unread_rows.length == 0) {
  67                 var button = document.getElementById("btnCatchupPage");
  68                 if (button) {
  69                         button.className = "disabledButton";
  70                         button.href = "";
  71                 }
  72         }
  73
  74         active_post_id = id;
  75         setActiveFeedId(feed_id);
  76
  77         var content = parent.document.getElementById("content-frame");
  78
  79         if (content) {
  80                 content.src = "backend.php?op=view&addheader=true&id=" + param_escape(id);
  81                 markHeadline(active_post_id);
  82         }
  83 }
  84
  85
  86 function toggleMark(id, toggle) {
  87
  88         if (!xmlhttp_ready(xmlhttp_rpc)) {
  89                 printLockingError();
  90                 return;
  91         }
  92
  93         var mark_img = document.getElementById("FMARKPIC-" + id);
  94
  95         var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
  96
  97         if (toggle == true) {
  98                 mark_img.src = "images/mark_set.png";
  99                 mark_img.alt = "Reset mark";
 100                 mark_img.setAttribute('onclick', 'javascript:toggleMark('+id+', false)');
 101                 query = query + "&mark=1";
 102         } else {
 103                 mark_img.src = "images/mark_unset.png";
 104                 mark_img.alt = "Set mark";
 105                 mark_img.setAttribute('onclick', 'javascript:toggleMark('+id+', true)');
 106                 query = query + "&mark=0";
 107         }
 108
 109         xmlhttp_rpc.open("GET", query, true);
 110         xmlhttp_rpc.onreadystatechange=rpc_notify_callback;
 111         xmlhttp_rpc.send(null);
 112
 113 }
 114
 115 function moveToPost(mode) {
 116
 117         var rows = getVisibleHeadlineIds();
 118
 119         var prev_id;
 120         var next_id;
 121
 122         if (active_post_id == false) {
 123                 next_id = getFirstVisibleHeadlineId();
 124                 prev_id = getLastVisibleHeadlineId();
 125         } else {
 126                 for (var i = 0; i < rows.length; i++) {
 127                         if (rows[i] == active_post_id) {
 128                                 prev_id = rows[i-1];
 129                                 next_id = rows[i+1];
 130                         }
 131                 }
 132         }
 133
 134         if (mode == "next") {
 135                 if (next_id != undefined) {
 136                         view(next_id, getActiveFeedId());
 137                 }
 138         }
 139
 140         if (mode == "prev") {
 141                 if ( prev_id != undefined) {
 142                         view(prev_id, getActiveFeedId());
 143                 }
 144         }
 145 }
 146
 147 function localHotkeyHandler(keycode) {
 148
 149         if (keycode == 78) {
 150                 return moveToPost('next');
 151         }
 152
 153         if (keycode == 80) {
 154                 return moveToPost('prev');
 155         }
 156
 157 // FIXME
 158 //      if (keycode == 85) {
 159 //              return viewfeed(active_feed_id, active_offset, "ForceUpdate");
 160 //      }
 161
 162 //      alert("KC: " + keycode);
 163
 164 }