Home | History | Annotate | Download | only in phone
      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 
     17 package com.android.systemui.statusbar.phone;
     18 
     19 import android.app.ActivityManager.RecentTaskInfo;
     20 
     21 import java.util.ArrayList;
     22 
     23 /**
     24  * Data associated with an app button.
     25  */
     26 class 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