Method _handleFocus

src/cdk/listbox/listbox.ts:219–227

Handle focus events on the option.

()

  /** Handle focus events on the option. */
  protected _handleFocus() {
    // Options can wind up getting focused in active descendant mode if the user clicks on them.
    // In this case, we push focus back to the parent listbox to prevent an extra tab stop when
    // the user performs a shift+tab.
    if (this.listbox.useActiveDescendant) {
      this.listbox._setActiveOption(this);
      this.listbox.focus();
    }
  }

  /** Get the tabindex for this option. */
  protected _getTabIndex() {