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 static android.window.SystemOverrideOnBackInvokedCallback.OVERRIDE_UNDEFINED; 20 21 import android.annotation.NonNull; 22 import android.os.Parcel; 23 import android.os.Parcelable; 24 25 /** 26 * Data object to hold an {@link IOnBackInvokedCallback} and its priority. 27 * @hide 28 */ 29 public final class OnBackInvokedCallbackInfo implements Parcelable { 30 @NonNull 31 private final IOnBackInvokedCallback mCallback; 32 private @OnBackInvokedDispatcher.Priority int mPriority; 33 private final boolean mIsAnimationCallback; 34 private final @SystemOverrideOnBackInvokedCallback.OverrideBehavior int mOverrideBehavior; 35 OnBackInvokedCallbackInfo(@onNull IOnBackInvokedCallback callback, int priority, boolean isAnimationCallback, int overrideBehavior)36 public OnBackInvokedCallbackInfo(@NonNull IOnBackInvokedCallback callback, 37 int priority, 38 boolean isAnimationCallback, 39 int overrideBehavior) { 40 mCallback = callback; 41 mPriority = priority; 42 mIsAnimationCallback = isAnimationCallback; 43 mOverrideBehavior = overrideBehavior; 44 } 45 OnBackInvokedCallbackInfo(@onNull Parcel in)46 private OnBackInvokedCallbackInfo(@NonNull Parcel in) { 47 mCallback = IOnBackInvokedCallback.Stub.asInterface(in.readStrongBinder()); 48 mPriority = in.readInt(); 49 mIsAnimationCallback = in.readBoolean(); 50 mOverrideBehavior = in.readInt(); 51 } 52 53 @Override describeContents()54 public int describeContents() { 55 return 0; 56 } 57 58 @Override writeToParcel(@onNull Parcel dest, int flags)59 public void writeToParcel(@NonNull Parcel dest, int flags) { 60 dest.writeStrongInterface(mCallback); 61 dest.writeInt(mPriority); 62 dest.writeBoolean(mIsAnimationCallback); 63 dest.writeInt(mOverrideBehavior); 64 } 65 66 public static final Creator<OnBackInvokedCallbackInfo> CREATOR = 67 new Creator<OnBackInvokedCallbackInfo>() { 68 @Override 69 public OnBackInvokedCallbackInfo createFromParcel(Parcel in) { 70 return new OnBackInvokedCallbackInfo(in); 71 } 72 73 @Override 74 public OnBackInvokedCallbackInfo[] newArray(int size) { 75 return new OnBackInvokedCallbackInfo[size]; 76 } 77 }; 78 isSystemCallback()79 public boolean isSystemCallback() { 80 return mPriority == OnBackInvokedDispatcher.PRIORITY_SYSTEM 81 || mOverrideBehavior != OVERRIDE_UNDEFINED; 82 } 83 84 @NonNull getCallback()85 public IOnBackInvokedCallback getCallback() { 86 return mCallback; 87 } 88 89 @OnBackInvokedDispatcher.Priority getPriority()90 public int getPriority() { 91 return mPriority; 92 } 93 isAnimationCallback()94 public boolean isAnimationCallback() { 95 return mIsAnimationCallback; 96 } 97 98 @SystemOverrideOnBackInvokedCallback.OverrideBehavior getOverrideBehavior()99 public int getOverrideBehavior() { 100 return mOverrideBehavior; 101 } 102 103 @Override toString()104 public String toString() { 105 return "OnBackInvokedCallbackInfo{" 106 + "mCallback=" + mCallback 107 + ", mPriority=" + mPriority 108 + ", mIsAnimationCallback=" + mIsAnimationCallback 109 + ", mOverrideBehavior=" + mOverrideBehavior 110 + '}'; 111 } 112 } 113