1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.launcher3.anim; 17 18 import android.animation.Animator; 19 import android.animation.AnimatorSet; 20 import android.util.SparseArray; 21 import android.view.animation.Interpolator; 22 23 import java.util.ArrayList; 24 import java.util.List; 25 26 /** 27 * Utility class for building animator set 28 */ 29 public class AnimatorSetBuilder { 30 31 public static final int ANIM_VERTICAL_PROGRESS = 0; 32 public static final int ANIM_WORKSPACE_SCALE = 1; 33 public static final int ANIM_WORKSPACE_TRANSLATE = 2; 34 public static final int ANIM_WORKSPACE_FADE = 3; 35 public static final int ANIM_HOTSEAT_SCALE = 4; 36 public static final int ANIM_HOTSEAT_TRANSLATE = 5; 37 public static final int ANIM_OVERVIEW_SCALE = 6; 38 public static final int ANIM_OVERVIEW_TRANSLATE_X = 7; 39 public static final int ANIM_OVERVIEW_TRANSLATE_Y = 8; 40 public static final int ANIM_OVERVIEW_FADE = 9; 41 public static final int ANIM_ALL_APPS_FADE = 10; 42 43 public static final int FLAG_DONT_ANIMATE_OVERVIEW = 1 << 0; 44 45 protected final ArrayList<Animator> mAnims = new ArrayList<>(); 46 47 private final SparseArray<Interpolator> mInterpolators = new SparseArray<>(); 48 private List<Runnable> mOnFinishRunnables = new ArrayList<>(); 49 private int mFlags = 0; 50 play(Animator anim)51 public void play(Animator anim) { 52 mAnims.add(anim); 53 } 54 addOnFinishRunnable(Runnable onFinishRunnable)55 public void addOnFinishRunnable(Runnable onFinishRunnable) { 56 mOnFinishRunnables.add(onFinishRunnable); 57 } 58 build()59 public AnimatorSet build() { 60 AnimatorSet anim = new AnimatorSet(); 61 anim.playTogether(mAnims); 62 if (!mOnFinishRunnables.isEmpty()) { 63 anim.addListener(new AnimationSuccessListener() { 64 @Override 65 public void onAnimationSuccess(Animator animation) { 66 for (Runnable onFinishRunnable : mOnFinishRunnables) { 67 onFinishRunnable.run(); 68 } 69 mOnFinishRunnables.clear(); 70 } 71 }); 72 } 73 return anim; 74 } 75 getInterpolator(int animId, Interpolator fallback)76 public Interpolator getInterpolator(int animId, Interpolator fallback) { 77 return mInterpolators.get(animId, fallback); 78 } 79 setInterpolator(int animId, Interpolator interpolator)80 public void setInterpolator(int animId, Interpolator interpolator) { 81 mInterpolators.put(animId, interpolator); 82 } 83 addFlag(int flag)84 public void addFlag(int flag) { 85 mFlags |= flag; 86 } 87 hasFlag(int flag)88 public boolean hasFlag(int flag) { 89 return (mFlags & flag) != 0; 90 } 91 } 92