From 268599a211ec64a805727fbd9648842bf374db77 Mon Sep 17 00:00:00 2001
From: Oliver Jowett <oliver@mutability.co.uk>
Date: Sun, 22 Feb 2015 11:51:58 +0000
Subject: [PATCH] Tweaks to title mangling:

 * use PageName, not literal "DUMP1090"
 * use document.title directly, not a selector
 * include number of positionless aircraft too
 * rename the config options
 * some simplification of the changes
---
 public_html/config.js |  4 +--
 public_html/script.js | 59 ++++++++++++++++++++++++-------------------
 2 files changed, 35 insertions(+), 28 deletions(-)

diff --git a/public_html/config.js b/public_html/config.js
index d6fa5e9..c35bf42 100644
--- a/public_html/config.js
+++ b/public_html/config.js
@@ -7,8 +7,8 @@
 
 // -- Title Settings --------------------------------------
 // Show number of aircraft and/or messages per second in the page title
-NumPlanesInTitle = true;
-NumMessagesInTitle = true;
+PlaneCountInTitle = true;
+MessageRateInTitle = false;
 
 // -- Output Settings -------------------------------------
 // Show metric values
diff --git a/public_html/script.js b/public_html/script.js
index e81a5bb..aff834e 100644
--- a/public_html/script.js
+++ b/public_html/script.js
@@ -1,3 +1,4 @@
+// -*- mode: javascript; indent-tabs-mode: nil; c-basic-offset: 8 -*-
 "use strict";
 
 // Define our global variables
@@ -34,7 +35,7 @@ var StaleReceiverCount = 0;
 var FetchPending = null;
 
 var MessageCountHistory = [];
-var MessagesPerSecond = 0;
+var MessageRate = 0;
 
 var NBSP='\u00a0';
 
@@ -140,7 +141,7 @@ function fetchData() {
 var PositionHistorySize = 0;
 function initialize() {
         // Set page basics
-        $("head title").text(PageName); // page title
+        document.title = PageName;
         $("#infoblock_name").text(PageName);
 
         PlaneRowTemplate = document.getElementById("plane_row_template");
@@ -488,22 +489,37 @@ function reaper() {
 
 // Page Title update function
 function refreshPageTitle() {
-	if(NumPlanesInTitle && !NumMessagesInTitle){
-		$("head title").text("DUMP1090 - " + TrackedAircraftPositions);
-	}
-	else if(!NumPlanesInTitle && NumMessagesInTitle){
-		$("head title").text("DUMP1090 - " + MessagesPerSecond.toFixed(1));
-	}
-	else if(NumPlanesInTitle && NumMessagesInTitle){
-		$("head title").text("DUMP1090 - " + TrackedAircraftPositions + " | " + MessagesPerSecond.toFixed(1)); 
-	}
+        if (!PlaneCountInTitle && !MessageRateInTitle)
+                return;
+
+        var subtitle = "";
+
+        if (PlaneCountInTitle) {
+                subtitle += TrackedAircraftPositions + '/' + TrackedAircraft;
+        }
+
+        if (MessageRateInTitle) {
+                if (subtitle) subtitle += ' | ';
+                subtitle += MessageRate.toFixed(1) + '/s';
+        }
+
+        document.title = PageName + ' - ' + subtitle;
 }
 
 // Refresh the detail window about the plane
 function refreshSelected() {
+        if (MessageCountHistory.length > 1) {
+                var message_time_delta = MessageCountHistory[MessageCountHistory.length-1].time - MessageCountHistory[0].time;
+                var message_count_delta = MessageCountHistory[MessageCountHistory.length-1].messages - MessageCountHistory[0].messages;
+                if (message_time_delta > 0)
+                        MessageRate = message_count_delta / message_time_delta;
+        } else {
+                MessageRate = null;
+        }
+
 	refreshPageTitle();
        
-    var selected = false;
+        var selected = false;
 	if (typeof SelectedPlane !== 'undefined' && SelectedPlane != "ICAO" && SelectedPlane != null) {
     	        selected = Planes[SelectedPlane];
         }
@@ -516,21 +532,12 @@ function refreshSelected() {
                 $('#dump1090_total_ac_positions').text(TrackedAircraftPositions);
                 $('#dump1090_total_history').text(TrackedHistorySize);
 
-                var message_rate = null;
-                if (MessageCountHistory.length > 1) {
-                        var message_time_delta = MessageCountHistory[MessageCountHistory.length-1].time - MessageCountHistory[0].time;
-                        var message_count_delta = MessageCountHistory[MessageCountHistory.length-1].messages - MessageCountHistory[0].messages;
-                        if (message_time_delta > 0)
-                                message_rate = message_count_delta / message_time_delta;
-                }
-                
-                if (message_rate !== null){
-                    MessagesPerSecond = message_rate;
-                        $('#dump1090_message_rate').text(message_rate.toFixed(1));
-				}
-                else
+                if (MessageRate !== null) {
+                        $('#dump1090_message_rate').text(MessageRate.toFixed(1));
+                } else {
                         $('#dump1090_message_rate').text("n/a");
-                        
+                }
+
                 return;
         }