1 /* 2 * Copyright (C) 2022 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 17 package android.window; 18 19 import android.annotation.NonNull; 20 import android.os.Parcel; 21 import android.os.Parcelable; 22 23 import java.util.ArrayList; 24 25 /** 26 * Object that describes how to run a remote back animation. 27 * 28 * @hide 29 */ 30 public class BackAnimationAdapter implements Parcelable { 31 private final IBackAnimationRunner mRunner; 32 private int[] mSupportedAnimators; 33 BackAnimationAdapter(IBackAnimationRunner runner)34 public BackAnimationAdapter(IBackAnimationRunner runner) { 35 mRunner = runner; 36 } 37 BackAnimationAdapter(Parcel in)38 public BackAnimationAdapter(Parcel in) { 39 mRunner = IBackAnimationRunner.Stub.asInterface(in.readStrongBinder()); 40 mSupportedAnimators = new int[in.readInt()]; 41 in.readIntArray(mSupportedAnimators); 42 } 43 getRunner()44 public IBackAnimationRunner getRunner() { 45 return mRunner; 46 } 47 48 /** Update the latest animators in the system. */ updateSupportedAnimators(@onNull ArrayList<Integer> animators)49 public void updateSupportedAnimators(@NonNull ArrayList<Integer> animators) { 50 final int size = animators.size(); 51 mSupportedAnimators = new int[size]; 52 for (int i = size - 1; i >= 0; --i) { 53 mSupportedAnimators[i] = animators.get(i); 54 } 55 } 56 57 @Override describeContents()58 public int describeContents() { 59 return 0; 60 } 61 62 @Override writeToParcel(Parcel dest, int flags)63 public void writeToParcel(Parcel dest, int flags) { 64 dest.writeStrongInterface(mRunner); 65 dest.writeInt(mSupportedAnimators.length); 66 dest.writeIntArray(mSupportedAnimators); 67 } 68 69 public static final @android.annotation.NonNull Creator<BackAnimationAdapter> CREATOR = 70 new Creator<BackAnimationAdapter>() { 71 public BackAnimationAdapter createFromParcel(Parcel in) { 72 return new BackAnimationAdapter(in); 73 } 74 75 public BackAnimationAdapter[] newArray(int size) { 76 return new BackAnimationAdapter[size]; 77 } 78 }; 79 80 /** 81 * Check if the back type is animatable. 82 */ isAnimatable(@ackNavigationInfo.BackTargetType int backType)83 public boolean isAnimatable(@BackNavigationInfo.BackTargetType int backType) { 84 if (mSupportedAnimators == null) { 85 return false; 86 } 87 for (int i = mSupportedAnimators.length - 1; i >= 0; --i) { 88 if (backType == mSupportedAnimators[i]) { 89 return true; 90 } 91 } 92 return false; 93 } 94 } 95