Add gist embedding

CHANGELOG.md

@@ -2,6 +2,7 @@ seaweedchan:
 - Fix various embedding issues
 - Fix Link Title depending on Embedding
 - Added favicons to links that can be embedded
+- Add gist embedding
 
 ### 1.1.4 - 2013-04-29
 seaweedchan:

src/General/css/style.css

@@ -923,4 +923,8 @@ a:only-of-type > .remove {
 .linkify.pastebin {
   background: transparent url('data:image/png;base64,<%= grunt.file.read("src/General/img/links/pastebin.png",    {encoding: "base64"}) %>') center left no-repeat!important;
   padding-left: 18px;
+}
+.linkify.gist {
+  background: transparent url('data:image/png;base64,<%= grunt.file.read("src/General/img/links/gist.png",    {encoding: "base64"}) %>') center left no-repeat!important;
+  padding-left: 18px;
 }

src/Linkification/Linkify.coffee

@@ -206,6 +206,13 @@ Linkify =
         div = $.el 'iframe',
           src: "http://pastebin.com/embed_iframe.php?i=#{@name}"
 
+    gist:
+      regExp: /.*(?:gist.github.com\/.*\/)([^#\&\?]*).*/
+      el: ->
+        div = $.el 'iframe',
+          # Github doesn't allow embedding straight from the site, so we use an external site to bypass that.
+          src: "http://www.purplegene.com/script?url=https://gist.github.com/#{@name}.js"
+
   embedder: (a) ->
     return [a] unless Conf['Link Title']
     titles = {}