info window ui

tower: https://tower.im/projects/d4e0ff64158645f28d99a9ca72d0c27b/todos/ff458c344f1a41f394e18a3af6589198
tower: https://tower.im/projects/d4e0ff64158645f28d99a9ca72d0c27b/todos/19517a541abd42ec80bd76b5e6e9ac8a

Change-Id: Ic8ad73399741a4c434f465d760addb2d6b377779