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 android.view.autofill; 17 18 import android.annotation.TestApi; 19 import android.os.Parcel; 20 import android.os.Parcelable; 21 import android.view.View; 22 23 /** 24 * A unique identifier for an autofill node inside an {@link android.app.Activity}. 25 */ 26 public final class AutofillId implements Parcelable { 27 28 private final int mViewId; 29 private final boolean mVirtual; 30 private final int mVirtualId; 31 32 /** @hide */ 33 @TestApi AutofillId(int id)34 public AutofillId(int id) { 35 mVirtual = false; 36 mViewId = id; 37 mVirtualId = View.NO_ID; 38 } 39 40 /** @hide */ AutofillId(AutofillId parent, int virtualChildId)41 public AutofillId(AutofillId parent, int virtualChildId) { 42 mVirtual = true; 43 mViewId = parent.mViewId; 44 mVirtualId = virtualChildId; 45 } 46 47 /** @hide */ AutofillId(int parentId, int virtualChildId)48 public AutofillId(int parentId, int virtualChildId) { 49 mVirtual = true; 50 mViewId = parentId; 51 mVirtualId = virtualChildId; 52 } 53 54 /** @hide */ getViewId()55 public int getViewId() { 56 return mViewId; 57 } 58 59 /** @hide */ getVirtualChildId()60 public int getVirtualChildId() { 61 return mVirtualId; 62 } 63 64 /** @hide */ isVirtual()65 public boolean isVirtual() { 66 return mVirtual; 67 } 68 69 ///////////////////////////////// 70 // Object "contract" methods. // 71 ///////////////////////////////// 72 73 @Override hashCode()74 public int hashCode() { 75 final int prime = 31; 76 int result = 1; 77 result = prime * result + mViewId; 78 result = prime * result + mVirtualId; 79 return result; 80 } 81 82 @Override equals(Object obj)83 public boolean equals(Object obj) { 84 if (this == obj) return true; 85 if (obj == null) return false; 86 if (getClass() != obj.getClass()) return false; 87 final AutofillId other = (AutofillId) obj; 88 if (mViewId != other.mViewId) return false; 89 if (mVirtualId != other.mVirtualId) return false; 90 return true; 91 } 92 93 @Override toString()94 public String toString() { 95 final StringBuilder builder = new StringBuilder().append(mViewId); 96 if (mVirtual) { 97 builder.append(':').append(mVirtualId); 98 } 99 return builder.toString(); 100 } 101 102 @Override describeContents()103 public int describeContents() { 104 return 0; 105 } 106 107 @Override writeToParcel(Parcel parcel, int flags)108 public void writeToParcel(Parcel parcel, int flags) { 109 parcel.writeInt(mViewId); 110 parcel.writeInt(mVirtual ? 1 : 0); 111 parcel.writeInt(mVirtualId); 112 } 113 AutofillId(Parcel parcel)114 private AutofillId(Parcel parcel) { 115 mViewId = parcel.readInt(); 116 mVirtual = parcel.readInt() == 1; 117 mVirtualId = parcel.readInt(); 118 } 119 120 public static final Parcelable.Creator<AutofillId> CREATOR = 121 new Parcelable.Creator<AutofillId>() { 122 @Override 123 public AutofillId createFromParcel(Parcel source) { 124 return new AutofillId(source); 125 } 126 127 @Override 128 public AutofillId[] newArray(int size) { 129 return new AutofillId[size]; 130 } 131 }; 132 } 133