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.anim;
  
  import android.animation.Animator;
  import android.animation.AnimatorSet;
  import android.util.SparseArray;
  import android.view.animation.Interpolator;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Utility class for building animator set
   */
  public class AnimatorSetBuilder {
  
      public static final int ANIM_VERTICAL_PROGRESS = 0;
      public static final int ANIM_WORKSPACE_SCALE = 1;
      public static final int ANIM_WORKSPACE_TRANSLATE = 2;
      public static final int ANIM_WORKSPACE_FADE = 3;
      public static final int ANIM_HOTSEAT_SCALE = 4;
      public static final int ANIM_HOTSEAT_TRANSLATE = 5;
      public static final int ANIM_OVERVIEW_SCALE = 6;
      public static final int ANIM_OVERVIEW_TRANSLATE_X = 7;
      public static final int ANIM_OVERVIEW_TRANSLATE_Y = 8;
      public static final int ANIM_OVERVIEW_FADE = 9;
      public static final int ANIM_ALL_APPS_FADE = 10;
      public static final int ANIM_OVERVIEW_SCRIM_FADE = 11;
      public static final int ANIM_ALL_APPS_HEADER_FADE = 12; // e.g. predictions
  
      public static final int FLAG_DONT_ANIMATE_OVERVIEW = 1 << 0;
  
      protected final ArrayList<Animator> mAnims = new ArrayList<>();
  
      private final SparseArray<Interpolator> mInterpolators = new SparseArray<>();
      private List<Runnable> mOnFinishRunnables = new ArrayList<>();
      private int mFlags = 0;
  
      public void play(Animator anim) {
          mAnims.add(anim);
      }
  
      public void addOnFinishRunnable(Runnable onFinishRunnable) {
          mOnFinishRunnables.add(onFinishRunnable);
      }
  
      public AnimatorSet build() {
          AnimatorSet anim = new AnimatorSet();
          anim.playTogether(mAnims);
          if (!mOnFinishRunnables.isEmpty()) {
              anim.addListener(new AnimationSuccessListener() {
                  @Override
                  public void onAnimationSuccess(Animator animation) {
                      for (Runnable onFinishRunnable : mOnFinishRunnables) {
                          onFinishRunnable.run();
                      }
                      mOnFinishRunnables.clear();
                  }
              });
          }
          return anim;
      }
  
      public Interpolator getInterpolator(int animId, Interpolator fallback) {
          return mInterpolators.get(animId, fallback);
      }
  
      public void setInterpolator(int animId, Interpolator interpolator) {
          mInterpolators.put(animId, interpolator);
      }
  
      public void addFlag(int flag) {
          mFlags |= flag;
      }
  
      public boolean hasFlag(int flag) {
          return (mFlags & flag) != 0;
      }
  }
  