1/* 2 * Copyright (C) 2015 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.systemui.statusbar.phone; 18 19import android.app.ActivityManager.RecentTaskInfo; 20 21import java.util.ArrayList; 22 23/** 24 * Data associated with an app button. 25 */ 26class AppButtonData { 27 public final AppInfo appInfo; 28 public boolean pinned; 29 // Recent tasks for this app, sorted by lastActiveTime, descending. 30 public ArrayList<RecentTaskInfo> tasks; 31 32 public AppButtonData(AppInfo appInfo, boolean pinned) { 33 this.appInfo = appInfo; 34 this.pinned = pinned; 35 } 36 37 public int getTaskCount() { 38 return tasks == null ? 0 : tasks.size(); 39 } 40 41 /** 42 * Returns true if the button contains no useful information and should be removed. 43 */ 44 public boolean isEmpty() { 45 return !pinned && getTaskCount() == 0; 46 } 47 48 public void addTask(RecentTaskInfo task) { 49 if (tasks == null) { 50 tasks = new ArrayList<RecentTaskInfo>(); 51 } 52 tasks.add(task); 53 } 54 55 public void clearTasks() { 56 if (tasks != null) { 57 tasks.clear(); 58 } 59 } 60} 61