+ local media = track.mediaurlbase or luci.config.main.mediaurlbase
+ if not pcall(tpl.Template, "themes/%s/header" % fs.basename(media)) then
+ media = nil
+ for name, theme in pairs(luci.config.themes) do
+ if name:sub(1,1) ~= "." and pcall(tpl.Template,
+ "themes/%s/header" % fs.basename(theme)) then
+ media = theme
+ end
+ end
+ assert(media, "No valid theme found")
+ end
+
+ local viewns = setmetatable({}, {__index=_G})