1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file 5 * except in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the 10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 11 * KIND, either express or implied. See the License for the specific language governing 12 * permissions and limitations under the License. 13 */ 14 15 package com.android.settings.datausage; 16 17 import android.content.Context; 18 import android.net.NetworkTemplate; 19 import android.util.AttributeSet; 20 21 import androidx.preference.Preference; 22 import androidx.preference.PreferenceCategory; 23 24 public class TemplatePreferenceCategory extends PreferenceCategory implements TemplatePreference { 25 26 private NetworkTemplate mTemplate; 27 private int mSubId; 28 TemplatePreferenceCategory(Context context, AttributeSet attrs)29 public TemplatePreferenceCategory(Context context, AttributeSet attrs) { 30 super(context, attrs); 31 } 32 33 @Override setTemplate(NetworkTemplate template, int subId, NetworkServices services)34 public void setTemplate(NetworkTemplate template, int subId, 35 NetworkServices services) { 36 mTemplate = template; 37 mSubId = subId; 38 } 39 40 @Override addPreference(Preference preference)41 public boolean addPreference(Preference preference) { 42 if (!(preference instanceof TemplatePreference)) { 43 throw new IllegalArgumentException( 44 "TemplatePreferenceCategories can only hold TemplatePreferences"); 45 } 46 return super.addPreference(preference); 47 } 48 pushTemplates(NetworkServices services)49 public void pushTemplates(NetworkServices services) { 50 if (mTemplate == null) { 51 throw new RuntimeException("null mTemplate for " + getKey()); 52 } 53 for (int i = 0; i < getPreferenceCount(); i++) { 54 ((TemplatePreference) getPreference(i)).setTemplate(mTemplate, mSubId, services); 55 } 56 } 57 58 } 59