Widget runtime info.
Indicator as to whether or not a widget class is loaded.
Indicator as to whether or not a widget is in inline editing state.
The widget's state. Possible values of
CLOSED state are valid only when a widget is put into a widget controller.
When a widget is not put into the widget controller, for performance reason, we don't switch the widget open/close state.
ACTIVE state, see
windowState: "normal" | "minimized" | "maximized"
The window's state. Possible values of