1 /* 2 * Copyright (C) 2014 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.settings.dashboard; 18 19 import android.content.res.Resources; 20 import android.os.Parcel; 21 import android.os.Parcelable; 22 import android.os.Parcelable.Creator; 23 import android.text.TextUtils; 24 25 import java.util.ArrayList; 26 import java.util.List; 27 28 public class DashboardCategory implements Parcelable { 29 30 /** 31 * Default value for {@link com.android.settings.dashboard.DashboardCategory#id DashboardCategory.id} 32 * indicating that no identifier value is set. All other values (including those below -1) 33 * are valid. 34 */ 35 public static final long CAT_ID_UNDEFINED = -1; 36 37 /** 38 * Identifier for this tile, to correlate with a new list when 39 * it is updated. The default value is 40 * {@link com.android.settings.dashboard.DashboardTile#TILE_ID_UNDEFINED}, meaning no id. 41 * @attr ref android.R.styleable#PreferenceHeader_id 42 */ 43 public long id = CAT_ID_UNDEFINED; 44 45 /** 46 * Resource ID of title of the category that is shown to the user. 47 */ 48 public int titleRes; 49 50 /** 51 * Title of the category that is shown to the user. 52 */ 53 public CharSequence title; 54 55 /** 56 * List of the category's children 57 */ 58 public List<DashboardTile> tiles = new ArrayList<DashboardTile>(); 59 60 61 public DashboardCategory() { 62 // Empty 63 } 64 65 public void addTile(DashboardTile tile) { 66 tiles.add(tile); 67 } 68 69 public void addTile(int n, DashboardTile tile) { 70 tiles.add(n, tile); 71 } 72 73 public void removeTile(DashboardTile tile) { 74 tiles.remove(tile); 75 } 76 77 public void removeTile(int n) { 78 tiles.remove(n); 79 } 80 81 public int getTilesCount() { 82 return tiles.size(); 83 } 84 85 public DashboardTile getTile(int n) { 86 return tiles.get(n); 87 } 88 89 /** 90 * Return the currently set title. If {@link #titleRes} is set, 91 * this resource is loaded from <var>res</var> and returned. Otherwise 92 * {@link #title} is returned. 93 */ 94 public CharSequence getTitle(Resources res) { 95 if (titleRes != 0) { 96 return res.getText(titleRes); 97 } 98 return title; 99 } 100 101 @Override 102 public int describeContents() { 103 return 0; 104 } 105 106 @Override 107 public void writeToParcel(Parcel dest, int flags) { 108 dest.writeInt(titleRes); 109 TextUtils.writeToParcel(title, dest, flags); 110 111 final int count = tiles.size(); 112 dest.writeInt(count); 113 114 for (int n = 0; n < count; n++) { 115 DashboardTile tile = tiles.get(n); 116 tile.writeToParcel(dest, flags); 117 } 118 } 119 120 public void readFromParcel(Parcel in) { 121 titleRes = in.readInt(); 122 title = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 123 124 final int count = in.readInt(); 125 126 for (int n = 0; n < count; n++) { 127 DashboardTile tile = DashboardTile.CREATOR.createFromParcel(in); 128 tiles.add(tile); 129 } 130 } 131 132 DashboardCategory(Parcel in) { 133 readFromParcel(in); 134 } 135 136 public static final Creator<DashboardCategory> CREATOR = new Creator<DashboardCategory>() { 137 public DashboardCategory createFromParcel(Parcel source) { 138 return new DashboardCategory(source); 139 } 140 141 public DashboardCategory[] newArray(int size) { 142 return new DashboardCategory[size]; 143 } 144 }; 145 } 146