Method resizeView

third_party/subscriptions-project/swg.js:11159–11242

* Resizes the dialog container. * @param {!./view.View} view * @param {number} height * @param {boolean=} animated * @return {?Promise}

(view, height, animated = true)

   * @return {?Promise}
   */
  resizeView(view, height, animated = true) {
    if (this.view_ != view) {
      return null;
    }
    const newHeight = this.getMaxAllowedHeight_(height);

    // Uniquely identify this animation.
    // This lets callbacks abandon stale animations.
    const animationNumber = ++this.animationNumber_;
    const isStale = () => {
      return animationNumber !== this.animationNumber_;
    };

    let animating;
    if (animated) {
      const oldHeight = this.getElement().offsetHeight;
      if (newHeight >= oldHeight) {
        // Expand.
        animating = this.animate_(() => {
          if (isStale()) {
            return Promise.resolve();
          }

          const immediateStyles = {
            'height': `${newHeight}px`,
          };
          if (!this.shouldPositionCenter_()) {
            immediateStyles['transform'] = `translateY(${
              newHeight - oldHeight
            }px)`;
          }
          setImportantStyles$1(this.getElement(), immediateStyles);

          return transition$1(
            this.getElement(),
            {
              'transform': this.getDefaultTranslateY_(),
            },
            300,
            'ease-out'
          );
        });
      } else {
        // Collapse.
        animating = this.animate_(() => {
          const transitionPromise = isStale()
            ? Promise.resolve()
            : transition$1(
                this.getElement(),
                {
                  'transform': this.shouldPositionCenter_()
                    ? this.getDefaultTranslateY_()
                    : `translateY(${oldHeight - newHeight}px)`,
                },
                300,
                'ease-out'
              );
          return transitionPromise.then(() => {