Render a dropdown menu for external task providers

app/Core/ExternalTask/ExternalTaskManager.php

@@ -55,4 +55,14 @@ class ExternalTaskManager
 
         return array();
     }
+
+    /**
+     * Get all providers
+     *
+     * @return ExternalTaskProviderInterface[]
+     */
+    public function getProviders()
+    {
+        return $this->providers;
+    }
 }

app/Core/ExternalTask/ExternalTaskProviderInterface.php

@@ -18,6 +18,22 @@ interface ExternalTaskProviderInterface
      */
     public function getName();
 
+    /**
+     * Get provider icon
+     *
+     * @access public
+     * @return string
+     */
+    public function getIcon();
+
+    /**
+     * Get label for adding a new task
+     *
+     * @access public
+     * @return string
+     */
+    public function getMenuAddLabel();
+
     /**
      * Retrieve task from external system or cache
      *