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 17package com.android.dialer.simulator.impl; 18 19import android.content.Context; 20import android.support.annotation.NonNull; 21import android.support.annotation.Nullable; 22import android.view.ActionProvider; 23import android.view.MenuItem; 24import android.view.SubMenu; 25import android.view.View; 26import com.android.dialer.common.Assert; 27import java.util.ArrayList; 28import java.util.List; 29 30/** Makes it easier to create submenus in the simulator. */ 31final class SimulatorSubMenu extends ActionProvider { 32 List<Item> items = new ArrayList<>(); 33 34 SimulatorSubMenu(@NonNull Context context) { 35 super(Assert.isNotNull(context)); 36 } 37 38 SimulatorSubMenu addItem(@NonNull String title, @NonNull Runnable clickHandler) { 39 items.add(new Item(title, clickHandler)); 40 return this; 41 } 42 43 SimulatorSubMenu addItem(@NonNull String title, @NonNull ActionProvider actionProvider) { 44 items.add(new Item(title, actionProvider)); 45 return this; 46 } 47 48 @Override 49 public View onCreateActionView() { 50 return null; 51 } 52 53 @Override 54 public View onCreateActionView(MenuItem forItem) { 55 return null; 56 } 57 58 @Override 59 public boolean hasSubMenu() { 60 return true; 61 } 62 63 @Override 64 public void onPrepareSubMenu(SubMenu subMenu) { 65 super.onPrepareSubMenu(subMenu); 66 subMenu.clear(); 67 68 for (Item item : items) { 69 if (item.clickHandler != null) { 70 subMenu 71 .add(item.title) 72 .setOnMenuItemClickListener( 73 (i) -> { 74 item.clickHandler.run(); 75 return true; 76 }); 77 } else { 78 subMenu.add(item.title).setActionProvider(item.actionProvider); 79 } 80 } 81 } 82 83 private static final class Item { 84 @NonNull final String title; 85 @Nullable final Runnable clickHandler; 86 @Nullable final ActionProvider actionProvider; 87 88 Item(@NonNull String title, @NonNull Runnable clickHandler) { 89 this.title = Assert.isNotNull(title); 90 this.clickHandler = Assert.isNotNull(clickHandler); 91 actionProvider = null; 92 } 93 94 Item(@NonNull String title, @NonNull ActionProvider actionProvider) { 95 this.title = Assert.isNotNull(title); 96 this.clickHandler = null; 97 this.actionProvider = Assert.isNotNull(actionProvider); 98 } 99 } 100} 101