Method setupInputModeClasses

src/input.js:85–95

* See https://github.com/ampproject/amphtml/blob/main/docs/spec/amp-css-classes.md#input-mode-classes * @param {!./service/ampdoc-impl.AmpDoc} ampdoc

(ampdoc)

   * @param {!./service/ampdoc-impl.AmpDoc} ampdoc
   */
  setupInputModeClasses(ampdoc) {
    this.onTouchDetected((detected) => {
      this.toggleInputClass_(ampdoc, 'amp-mode-touch', detected);
    }, true);
    this.onMouseDetected((detected) => {
      this.toggleInputClass_(ampdoc, 'amp-mode-mouse', detected);
    }, true);
    this.onKeyboardStateChanged((active) => {
      this.toggleInputClass_(ampdoc, 'amp-mode-keyboard-active', active);
    }, true);
  }

  /**
   * Whether the touch input has been detected.