From f6d1e76c39537f3fd2e7fdd571c28638c0391a32 Mon Sep 17 00:00:00 2001
From: Nicolas Stepien <stepien.nicolas@gmail.com>
Date: Mon, 10 Sep 2012 23:39:53 +0200
Subject: [PATCH] Add Auto-GIF.

---
 4chan_x.user.js | 47 ++++++++++++++++++++++++++++++++++++++++++-----
 script.coffee   | 33 +++++++++++++++++++++++++++++----
 2 files changed, 71 insertions(+), 9 deletions(-)

diff --git a/4chan_x.user.js b/4chan_x.user.js
index d80d7c6e6..3c21f0f9e 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -74,7 +74,7 @@
  */
 
 (function() {
-  var $, $$, Board, Build, Clone, Conf, Config, FileInfo, Get, Main, Post, QuoteBacklink, QuoteInline, QuotePreview, Quotify, Redirect, RevealSpoilers, Sauce, Thread, Time, UI, d, g,
+  var $, $$, AutoGIF, Board, Build, Clone, Conf, Config, FileInfo, Get, Main, Post, QuoteBacklink, QuoteInline, QuotePreview, Quotify, Redirect, RevealSpoilers, Sauce, Thread, Time, UI, d, g,
     __hasProp = {}.hasOwnProperty,
     __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
 
@@ -100,7 +100,7 @@
         'Stubs': [true, 'Make stubs of hidden threads / replies.']
       },
       Imaging: {
-        'Image Auto-Gif': [false, 'Animate GIF thumbnails.'],
+        'Auto-GIF': [false, 'Animate GIF thumbnails.'],
         'Image Expansion': [true, 'Expand images.'],
         'Expand From Position': [true, 'Expand all images only from current position to thread end.'],
         'Image Hover': [false, 'Show full image on mouseover.'],
@@ -992,6 +992,13 @@
           $.log(err, 'Reveal Spoilers');
         }
       }
+      if (Conf['Auto-GIF']) {
+        try {
+          AutoGIF.init();
+        } catch (err) {
+          $.log(err, 'Auto-GIF');
+        }
+      }
       return $.ready(Main.initFeaturesReady);
     },
     initFeaturesReady: function() {
@@ -2104,18 +2111,48 @@
       });
     },
     node: function() {
-      var style, thumb, _ref;
+      var thumb, _ref;
       if (this.isClone || !((_ref = this.file) != null ? _ref.isSpoiler : void 0)) {
         return;
       }
       thumb = this.file.thumb;
       thumb.removeAttribute('style');
-      style = thumb.style;
-      style.maxHeight = style.maxWidth = this.isReply ? '125px' : '250px';
       return thumb.src = this.file.thumbURL;
     }
   };
 
+  AutoGIF = {
+    init: function() {
+      var _ref;
+      if ((_ref = g.BOARD.ID) === 'gif' || _ref === 'wsg') {
+        return;
+      }
+      return Post.prototype.callbacks.push({
+        name: 'Auto-GIF',
+        cb: this.node
+      });
+    },
+    node: function() {
+      var URL, gif, style, thumb, _ref, _ref1;
+      if (this.isClone || !((_ref = this.file) != null ? _ref.isImage : void 0)) {
+        return;
+      }
+      _ref1 = this.file, thumb = _ref1.thumb, URL = _ref1.URL;
+      if (!(/gif$/.test(URL) && !/spoiler/.test(thumb.src))) {
+        return;
+      }
+      if (this.file.isSpoiler) {
+        style = thumb.style;
+        style.maxHeight = style.maxWidth = this.isReply ? '125px' : '250px';
+      }
+      gif = $.el('img');
+      $.on(gif, 'load', function() {
+        return thumb.src = URL;
+      });
+      return gif.src = URL;
+    }
+  };
+
   Main.init();
 
 }).call(this);
diff --git a/script.coffee b/script.coffee
index bae496c7e..b6a0f8f0d 100644
--- a/script.coffee
+++ b/script.coffee
@@ -18,7 +18,7 @@ Config =
       'Thread Hiding':                [true,  'Hide entire threads.']
       'Stubs':                        [true,  'Make stubs of hidden threads / replies.']
     Imaging:
-      'Image Auto-Gif':               [false, 'Animate GIF thumbnails.']
+      'Auto-GIF':                     [false, 'Animate GIF thumbnails.']
       'Image Expansion':              [true,  'Expand images.']
       'Expand From Position':         [true,  'Expand all images only from current position to thread end.']
       'Image Hover':                  [false, 'Show full image on mouseover.']
@@ -797,6 +797,13 @@ Main =
         # XXX handle error
         $.log err, 'Reveal Spoilers'
 
+    if Conf['Auto-GIF']
+      try
+        AutoGIF.init()
+      catch err
+        # XXX handle error
+        $.log err, 'Auto-GIF'
+
     $.ready Main.initFeaturesReady
   initFeaturesReady: ->
     if d.title is '4chan - 404 Not Found'
@@ -1791,12 +1798,30 @@ RevealSpoilers =
   node: ->
     return if @isClone or !@file?.isSpoiler
     {thumb} = @file
-    # revealed spoilers do not have height/width set, this fixes auto-gifs dimensions.
     thumb.removeAttribute 'style'
-    {style} = thumb
-    style.maxHeight = style.maxWidth = if @isReply then '125px' else '250px'
     thumb.src = @file.thumbURL
 
+AutoGIF =
+  init: ->
+    return if g.BOARD.ID in ['gif', 'wsg']
+    Post::callbacks.push
+      name: 'Auto-GIF'
+      cb:   @node
+  node: ->
+    # XXX return if @hidden?
+    return if @isClone or !@file?.isImage
+    {thumb, URL} = @file
+    return unless /gif$/.test(URL) and !/spoiler/.test thumb.src
+    if @file.isSpoiler
+      # Revealed spoilers do not have height/width set, this fixes auto-gifs dimensions.
+      {style} = thumb
+      style.maxHeight = style.maxWidth = if @isReply then '125px' else '250px'
+    gif = $.el 'img'
+    $.on gif, 'load', ->
+      # Replace the thumbnail once the GIF has finished loading.
+      thumb.src = URL
+    gif.src = URL
+
 
 
 Main.init()