Show a button to send post to kindle on the posts of Octopress.

octopress-send-to-kindle.diff

diff --git a/_config.yml b/_config.yml
index 42de00c..24dff5e 100644
--- a/_config.yml
+++ b/_config.yml
@@ -72,6 +72,9 @@ github_repo_count: 3
 github_show_profile_link: true
 github_skip_forks: true
 
+# Send to Kindle
+send_to_kindle_button: true
+
 # Twitter
 twitter_user: 
 twitter_tweet_button: false
diff --git a/sass/custom/_styles.scss b/sass/custom/_styles.scss
index 91ffccc..beb87c3 100644
--- a/sass/custom/_styles.scss
+++ b/sass/custom/_styles.scss
@@ -1,2 +1,22 @@
 // This File is imported last, and will override other styles in the cascade
 // Add styles here to make changes without digging in too much
+.read-it-later {
+    overflow: hidden;
+    & > span, & > a {
+        float: right;
+        cursor: pointer;
+        font-size: 0.5em;
+        background-color: #ddd;
+        color: #777;
+        border-radius: 5px;
+        padding: 0.1em 0.3em;
+
+        &:hover {
+            color: #555;
+        }
+    }
+
+    position: absolute;
+    top: 0;
+    right: 0;
+}
diff --git a/source/_includes/article.html b/source/_includes/article.html
index 23f4884..8de3715 100644
--- a/source/_includes/article.html
+++ b/source/_includes/article.html
@@ -1,5 +1,10 @@
 {% unless page.no_header %}
   <header>
+    <div class="read-it-later">
+      {% if site.send_to_kindle_button %}
+        <span data-platform="kindle"></span>
+      {% endif %}
+    </div>
     {% if index %}
       <h1 class="entry-title"><a href="{{ root_url }}{{ post.url }}">{% if site.titlecase %}{{ post.title | titlecase }}{% else %}{{ post.title }}{% endif %}</a></h1>
     {% else %}
diff --git a/source/_includes/head.html b/source/_includes/head.html
index d614b84..9aaee53 100644
--- a/source/_includes/head.html
+++ b/source/_includes/head.html
@@ -27,4 +27,5 @@
   <script src="{{ root_url }}/javascripts/octopress.js" type="text/javascript"></script>
   {% include custom/head.html %}
   {% include google_analytics.html %}
+  {% include send_to_kindle.html %}
 </head>
diff --git a/source/_includes/send_to_kindle.html b/source/_includes/send_to_kindle.html
new file mode 100644
index 0000000..2150645
--- /dev/null
+++ b/source/_includes/send_to_kindle.html
@@ -0,0 +1,19 @@
+{% if site.send_to_kindle_button %}
+  <script type="text/javascript" src="https://d1xnn692s7u6t6.cloudfront.net/widget.js"></script>
+  <script type="text/javascript">
+    $(function() {
+      $("article").each(function() {
+        if (!$(this).parent().hasClass("blog-index")) {
+          $(this).find(".read-it-later [data-platform='kindle']")
+                 .addClass("kindleWidget").text("发送到 Kindle");
+        }
+      });
+      window.$SendToKindle && $SendToKindle.Widget.init({
+        "content":".entry-content",
+        "title":".entry-title",
+        "author":".author .fn",
+        "published":".meta time"
+      });
+    });
+  </script>
+{% endif %}