Method _recaptureFocus

src/cdk/dialog/dialog-container.ts:208–212

Captures focus if it isn't already inside the dialog.

()

  // TODO(crisbeto): this shouldn't be exposed, but there are internal references to it.
  /** Captures focus if it isn't already inside the dialog. */
  _recaptureFocus() {
    if (!this._containsFocus()) {
      this._trapFocus();
    }
  }

  /**
   * Focuses the provided element. If the element is not focusable, it will add a tabIndex