clearFilter();
Response response = executeMessage(WindowManagerMessage.LIST_WINDOWS, null);
WindowList.Builder builder = WindowList.newBuilder();
buildPayload(response, builder);
WindowList list = builder.build();
List<WindowInfo> windowsList = list.getWindowListList();
windows.clear();
for (WindowInfo window : windowsList) {
windows.put(window.getWindowID(), window);
}