spiegel-keyman/web/source/osk/keyboardView.interface.ts

namespace com.keyman.osk {
  /**
   * An abstract representation for visualizations of the active keyboard within an 
   * OSKManager / OSKView.  Most keyboards will default to use of a VisualKeyboard,
   * though some will use HelpPage for certain form factors.
   */
  export interface KeyboardView {
    readonly element: HTMLDivElement;

    /**
     * Evaluates code that must be run _after_ the KeyboardView has been inserted into
     * the DOM hierarchy.
     */
    postInsert(): void;

    /**
     * Code that updates the state of the KeyboardView whenever the OSK itself needs to be
     * refreshed or updated with new state information.
     */
    updateState(): void;
  }
}