4 files changed, 26 insertions, 2 deletions
diff --git a/lib/attachment_to_html/attachment_to_html.rb b/lib/attachment_to_html/attachment_to_html.rb
index ca899221b..2f7c08264 100644
--- a/lib/attachment_to_html/attachment_to_html.rb
+++ b/lib/attachment_to_html/attachment_to_html.rb
@@ -17,7 +17,11 @@ module AttachmentToHTML
         view = View.new(adapter)
         view.wrapper = 'wrapper_google_embed' if adapter.is_a?(Adapters::GoogleDocsViewer)
 
-        view.render
+        view.render do
+           opts.fetch(:content_for, []).each do |k,v|
+              inject_content(k) { v }
+           end
+        end
     end
 
     private
diff --git a/lib/attachment_to_html/template.html.erb b/lib/attachment_to_html/template.html.erb
index 9d3068ce2..38286a5f9 100644
--- a/lib/attachment_to_html/template.html.erb
+++ b/lib/attachment_to_html/template.html.erb
@@ -2,12 +2,15 @@
 <html>
 <head>
   <title><%= title %></title>
+  <%= content_for(:head_suffix) %>
 </head>
 <body>
+  <%= content_for(:body_prefix) %>
   <div id="<%= wrapper %>">
     <div id="view-html-content">
       <%= body %>
     </div>
   </div>
+  <%= content_for(:body_suffix) %>
 </body>
 </html>
diff --git a/lib/attachment_to_html/view.rb b/lib/attachment_to_html/view.rb
index 5cdd3823b..e6991d44e 100644
--- a/lib/attachment_to_html/view.rb
+++ b/lib/attachment_to_html/view.rb
@@ -19,9 +19,21 @@ module AttachmentToHTML
             super(File.read(template))
         end
 
-        def render
+        def render(&block)
+            instance_eval(&block) if block_given?
             result(binding)
         end
 
+        def content_for(area)
+            send(area) if respond_to?(area)
+        end
+
+        private
+
+        def inject_content(area, &block)
+          instance_variable_set("@#{ area }".to_sym, block.call)
+          self.class.send(:attr_accessor, area)
+        end
+
     end
 end
diff --git a/spec/lib/attachment_to_html/attachment_to_html_spec.rb b/spec/lib/attachment_to_html/attachment_to_html_spec.rb
index 41e1d67e5..1cf7debb7 100644
--- a/spec/lib/attachment_to_html/attachment_to_html_spec.rb
+++ b/spec/lib/attachment_to_html/attachment_to_html_spec.rb
@@ -18,6 +18,11 @@ describe AttachmentToHTML do
             to_html(attachment).should == expected
         end
 
+        it 'passes content injections options when rendering the result' do
+            html = to_html(attachment, :content_for => { :body_prefix => '<p>prefix</p>' })
+            html.should include('<p>prefix</p>')
+        end
+
         it 'accepts a hash of options to pass to the adapter' do
             options = { :wrapper => 'wrap' }
             AttachmentToHTML::Adapters::Text.should_receive(:new).with(attachment, options).and_call_original