From 4c63dd478bdf3e7fde3b533d25428fb02d69fe3f Mon Sep 17 00:00:00 2001
From: Zixaphir <zixaphirmoxphar@gmail.com>
Date: Sun, 21 Apr 2013 01:39:58 -0700
Subject: [PATCH] Debounce Unread.update.

This will allow use to queue up the scroll events better
and prevent lockup.
---
 builds/4chan-X.js                 | 12 ++++++------
 builds/4chan-X.user.js            | 12 ++++++------
 builds/crx/script.js              | 10 +++++-----
 src/code/monitoring/unread.coffee |  6 +++---
 4 files changed, 20 insertions(+), 20 deletions(-)

diff --git a/builds/4chan-X.js b/builds/4chan-X.js
index e30ade4a1..6cd7ec8ab 100644
--- a/builds/4chan-X.js
+++ b/builds/4chan-X.js
@@ -20,7 +20,7 @@
 // @icon         data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAgMAAAAqbBEUAAAACVBMVEUAAGcAAABmzDNZt9VtAAAAAXRSTlMAQObYZgAAAHFJREFUKFOt0LENACEIBdBv4Qju4wgWanEj3D6OcIVMKaitYHEU/jwTCQj8W75kiVCSBvdQ5/AvfVHBin11BgdRq3ysBgfwBDRrj3MCIA+oAQaku/Q1cNctrAmyDl577tOThYt/Y1RBM4DgOHzM0HFTAyLukH/cmRnqAAAAAElFTkSuQmCC
 // ==/UserScript==
 
-/* 4chan X - Version 3.1.4 - 2013-04-19
+/* 4chan X - Version 3.1.4 - 2013-04-21
  * https://4chan-x.just-believe.in/
  *
  * Copyright (c) 2009-2011 James Campos <james.r.campos@gmail.com>
@@ -6449,8 +6449,8 @@
       }
       return arr.splice(0, i);
     },
-    read: function(e) {
-      var ID, bottom, height, i, post, posts, read, top, _ref;
+    read: $.debounce(50, function(e) {
+      var ID, bottom, height, i, post, posts, read;
 
       if (d.hidden || !Unread.posts.length) {
         return;
@@ -6460,8 +6460,8 @@
       read = [];
       i = posts.length;
       while (post = posts[--i]) {
-        _ref = post.nodes.root.getBoundingClientRect(), bottom = _ref.bottom, top = _ref.top;
-        if ((bottom < height) && (top > 0)) {
+        bottom = post.nodes.root.getBoundingClientRect().bottom;
+        if (bottom < height) {
           ID = post.ID;
           posts.remove(post);
         }
@@ -6475,7 +6475,7 @@
       if (e) {
         return Unread.update();
       }
-    },
+    }),
     saveLastReadPost: $.debounce(2 * $.SECOND, function() {
       return Unread.db.set({
         boardID: Unread.thread.board.ID,
diff --git a/builds/4chan-X.user.js b/builds/4chan-X.user.js
index 2a5950ff9..2de31a151 100644
--- a/builds/4chan-X.user.js
+++ b/builds/4chan-X.user.js
@@ -20,7 +20,7 @@
 // @icon         data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAgMAAAAqbBEUAAAACVBMVEUAAGcAAABmzDNZt9VtAAAAAXRSTlMAQObYZgAAAHFJREFUKFOt0LENACEIBdBv4Qju4wgWanEj3D6OcIVMKaitYHEU/jwTCQj8W75kiVCSBvdQ5/AvfVHBin11BgdRq3ysBgfwBDRrj3MCIA+oAQaku/Q1cNctrAmyDl577tOThYt/Y1RBM4DgOHzM0HFTAyLukH/cmRnqAAAAAElFTkSuQmCC
 // ==/UserScript==
 
-/* 4chan X - Version 3.1.4 - 2013-04-19
+/* 4chan X - Version 3.1.4 - 2013-04-21
  * https://4chan-x.just-believe.in/
  *
  * Copyright (c) 2009-2011 James Campos <james.r.campos@gmail.com>
@@ -6441,8 +6441,8 @@
       }
       return arr.splice(0, i);
     },
-    read: function(e) {
-      var ID, bottom, height, i, post, posts, read, top, _ref;
+    read: $.debounce(50, function(e) {
+      var ID, bottom, height, i, post, posts, read;
 
       if (d.hidden || !Unread.posts.length) {
         return;
@@ -6452,8 +6452,8 @@
       read = [];
       i = posts.length;
       while (post = posts[--i]) {
-        _ref = post.nodes.root.getBoundingClientRect(), bottom = _ref.bottom, top = _ref.top;
-        if ((bottom < height) && (top > 0)) {
+        bottom = post.nodes.root.getBoundingClientRect().bottom;
+        if (bottom < height) {
           ID = post.ID;
           posts.remove(post);
         }
@@ -6467,7 +6467,7 @@
       if (e) {
         return Unread.update();
       }
-    },
+    }),
     saveLastReadPost: $.debounce(2 * $.SECOND, function() {
       return Unread.db.set({
         boardID: Unread.thread.board.ID,
diff --git a/builds/crx/script.js b/builds/crx/script.js
index 826a44af7..47e969c16 100644
--- a/builds/crx/script.js
+++ b/builds/crx/script.js
@@ -6362,8 +6362,8 @@
       }
       return arr.splice(0, i);
     },
-    read: function(e) {
-      var ID, bottom, height, i, post, posts, read, top, _ref;
+    read: $.debounce(50, function(e) {
+      var ID, bottom, height, i, post, posts, read;
 
       if (d.hidden || !Unread.posts.length) {
         return;
@@ -6373,8 +6373,8 @@
       read = [];
       i = posts.length;
       while (post = posts[--i]) {
-        _ref = post.nodes.root.getBoundingClientRect(), bottom = _ref.bottom, top = _ref.top;
-        if ((bottom < height) && (top > 0)) {
+        bottom = post.nodes.root.getBoundingClientRect().bottom;
+        if (bottom < height) {
           ID = post.ID;
           posts.remove(post);
         }
@@ -6388,7 +6388,7 @@
       if (e) {
         return Unread.update();
       }
-    },
+    }),
     saveLastReadPost: $.debounce(2 * $.SECOND, function() {
       return Unread.db.set({
         boardID: Unread.thread.board.ID,
diff --git a/src/code/monitoring/unread.coffee b/src/code/monitoring/unread.coffee
index 53368f1af..b0943b045 100644
--- a/src/code/monitoring/unread.coffee
+++ b/src/code/monitoring/unread.coffee
@@ -98,7 +98,7 @@ Unread =
       break if post.ID > Unread.lastReadPost
     arr.splice 0, i
 
-  read: (e) ->
+  read: $.debounce 50, (e) ->
     return if d.hidden or !Unread.posts.length
     height  = doc.clientHeight
     {posts} = Unread
@@ -106,8 +106,8 @@ Unread =
     i = posts.length
 
     while post = posts[--i]
-      {bottom, top} = post.nodes.root.getBoundingClientRect()
-      if (bottom < height) and (top > 0)  # post is completely read
+      {bottom} = post.nodes.root.getBoundingClientRect()
+      if (bottom < height)  # post is completely read
         ID = post.ID
         posts.remove post
     return unless ID