michael@0: var file;
michael@0: addMessageListener("file.create", function (message) {
michael@0:   file = Components.classes["@mozilla.org/file/directory_service;1"]
michael@0:              .getService(Components.interfaces.nsIProperties)
michael@0:              .get("TmpD", Components.interfaces.nsIFile);
michael@0:   file.append("foo.txt");
michael@0:   file.createUnique(Components.interfaces.nsIFile.NORMAL_FILE_TYPE, 0600);
michael@0:   sendAsyncMessage("file.path", file.path);
michael@0: });
michael@0: 
michael@0: addMessageListener("file.remove", function (message) {
michael@0:   file.remove(false);
michael@0:   sendAsyncMessage("file.removed", {});
michael@0: });