From 74762bc9161ed5e17510c077a0942fe5d8baada6 Mon Sep 17 00:00:00 2001
From: James Campos <james.r.campos@gmail.com>
Date: Sun, 31 Jul 2011 12:35:43 -0700
Subject: [PATCH] only scroll focused tabs

---
 4chan_x.user.js | 10 +++++++++-
 script.coffee   |  5 ++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/4chan_x.user.js b/4chan_x.user.js
index 399ef7904..1f6cd3e7d 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1555,6 +1555,14 @@
   updater = {
     init: function() {
       var checkbox, checked, dialog, html, input, name, title, _i, _len, _ref;
+      if (conf['Scrolling']) {
+        $.bind(window, 'focus', (function() {
+          return updater.focus = true;
+        }));
+        $.bind(window, 'blur', (function() {
+          return updater.focus = false;
+        }));
+      }
       html = "<div class=move><span id=count></span> <span id=timer>-" + conf['Interval'] + "</span></div>";
       checkbox = config.updater.checkbox;
       for (name in checkbox) {
@@ -1644,7 +1652,7 @@
         while ((reply = replies.pop()) && (reply.id > id)) {
           arr.push(reply.parentNode.parentNode.parentNode);
         }
-        scroll = conf['Scrolling'] && arr.length && (d.body.scrollHeight - d.body.clientHeight - window.scrollY < 20);
+        scroll = updater.focus && arr.length && (d.body.scrollHeight - d.body.clientHeight - window.scrollY < 20);
         updater.timer.textContent = '-' + conf['Interval'];
         if (conf['Verbose']) {
           updater.count.textContent = '+' + arr.length;
diff --git a/script.coffee b/script.coffee
index 90d29f708..af298c196 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1255,6 +1255,9 @@ threadHiding =
 
 updater =
   init: ->
+    if conf['Scrolling']
+      $.bind window, 'focus', (-> updater.focus = true)
+      $.bind window, 'blur',  (-> updater.focus = false)
     html = "<div class=move><span id=count></span> <span id=timer>-#{conf['Interval']}</span></div>"
     {checkbox} = config.updater
     for name of checkbox
@@ -1330,7 +1333,7 @@ updater =
       while (reply = replies.pop()) and (reply.id > id)
         arr.push reply.parentNode.parentNode.parentNode #table
 
-      scroll = conf['Scrolling'] && arr.length && (d.body.scrollHeight - d.body.clientHeight - window.scrollY < 20)
+      scroll = updater.focus && arr.length && (d.body.scrollHeight - d.body.clientHeight - window.scrollY < 20)
 
       updater.timer.textContent = '-' + conf['Interval']
       if conf['Verbose']