1 /* 2 * Copyright (C) 2016 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 com.android.tv.data; 18 19 import android.os.Parcel; 20 import android.os.Parcelable; 21 import java.util.ArrayList; 22 import java.util.Collection; 23 import java.util.List; 24 25 /** A convenience class for the list of {@link Parcelable}s. */ 26 public final class ParcelableList<T extends Parcelable> implements Parcelable { 27 /** Create instance from {@link Parcel}. */ 28 public static ParcelableList fromParcel(Parcel in) { 29 ParcelableList list = new ParcelableList(); 30 int length = in.readInt(); 31 if (length > 0) { 32 for (int i = 0; i < length; ++i) { 33 list.mList.add(in.readParcelable(Thread.currentThread().getContextClassLoader())); 34 } 35 } 36 return list; 37 } 38 39 /** A creator for {@link ParcelableList}. */ 40 public static final Creator<ParcelableList> CREATOR = 41 new Creator<ParcelableList>() { 42 @Override 43 public ParcelableList createFromParcel(Parcel in) { 44 return ParcelableList.fromParcel(in); 45 } 46 47 @Override 48 public ParcelableList[] newArray(int size) { 49 return new ParcelableList[size]; 50 } 51 }; 52 53 private final List<T> mList = new ArrayList<>(); 54 55 private ParcelableList() {} 56 57 public ParcelableList(Collection<T> initialList) { 58 mList.addAll(initialList); 59 } 60 61 /** Returns the list. */ 62 public List<T> getList() { 63 return new ArrayList<T>(mList); 64 } 65 66 @Override 67 public int describeContents() { 68 return 0; 69 } 70 71 @Override 72 public void writeToParcel(Parcel out, int paramInt) { 73 out.writeInt(mList.size()); 74 for (T data : mList) { 75 out.writeParcelable(data, 0); 76 } 77 } 78 } 79
