content: /*
   * Copyright (C) 2017 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.android.launcher3.folder;
  
  import android.graphics.drawable.Drawable;
  
  /**
   * Manages the parameters used to draw a Folder preview item.
   */
  class PreviewItemDrawingParams {
      float transX;
      float transY;
      float scale;
      float overlayAlpha;
      FolderPreviewItemAnim anim;
      public boolean hidden;
      Drawable drawable;
  
      PreviewItemDrawingParams(float transX, float transY, float scale, float overlayAlpha) {
          this.transX = transX;
          this.transY = transY;
          this.scale = scale;
          this.overlayAlpha = overlayAlpha;
      }
  
      public void update(float transX, float transY, float scale) {
          // We ensure the update will not interfere with an animation on the layout params
          // If the final values differ, we cancel the animation.
          if (anim != null) {
              if (anim.finalTransX == transX || anim.finalTransY == transY
                      || anim.finalScale == scale) {
                  return;
              }
              anim.cancel();
          }
  
          this.transX = transX;
          this.transY = transY;
          this.scale = scale;
      }
  }
  