Task.java revision 0d767551c55d9e594a0b944bd1926c21a344b5ae
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 17package com.android.systemui.recents.model; 18 19import android.content.Intent; 20import android.graphics.Bitmap; 21import android.graphics.drawable.Drawable; 22 23 24/** 25 * A task represents the top most task in the system's task stack. 26 */ 27public class Task { 28 /* Task callbacks */ 29 public interface TaskCallbacks { 30 /* Notifies when a task has been bound */ 31 public void onTaskDataLoaded(boolean reloadingTaskData); 32 /* Notifies when a task has been unbound */ 33 public void onTaskDataUnloaded(); 34 } 35 36 /* The Task Key represents the unique primary key for the task */ 37 public static class TaskKey { 38 public final int id; 39 public final Intent baseIntent; 40 41 public TaskKey(int id, Intent intent) { 42 this.id = id; 43 this.baseIntent = intent; 44 } 45 46 @Override 47 public boolean equals(Object o) { 48 return hashCode() == o.hashCode(); 49 } 50 51 @Override 52 public int hashCode() { 53 return id; 54 } 55 56 @Override 57 public String toString() { 58 return "Task.Key: " + id + ", " + baseIntent.getComponent().getPackageName(); 59 } 60 } 61 62 public TaskKey key; 63 public Drawable applicationIcon; 64 public String activityLabel; 65 public Bitmap activityIcon; 66 public Bitmap thumbnail; 67 public boolean isActive; 68 public int userId; 69 70 TaskCallbacks mCb; 71 72 public Task() { 73 // Only used by RecentsService for task rect calculations. 74 } 75 76 public Task(int id, boolean isActive, Intent intent, String activityTitle, 77 Bitmap activityIcon, int userId) { 78 this.key = new TaskKey(id, intent); 79 this.activityLabel = activityTitle; 80 this.activityIcon = activityIcon; 81 this.isActive = isActive; 82 this.userId = userId; 83 } 84 85 /** Set the callbacks */ 86 public void setCallbacks(TaskCallbacks cb) { 87 mCb = cb; 88 } 89 90 /** Notifies the callback listeners that this task has been loaded */ 91 public void notifyTaskDataLoaded(Bitmap thumbnail, Drawable applicationIcon, 92 boolean reloadingTaskData) { 93 this.applicationIcon = applicationIcon; 94 this.thumbnail = thumbnail; 95 if (mCb != null) { 96 mCb.onTaskDataLoaded(reloadingTaskData); 97 } 98 } 99 100 /** Notifies the callback listeners that this task has been unloaded */ 101 public void notifyTaskDataUnloaded(Bitmap defaultThumbnail, Drawable defaultApplicationIcon) { 102 applicationIcon = defaultApplicationIcon; 103 thumbnail = defaultThumbnail; 104 if (mCb != null) { 105 mCb.onTaskDataUnloaded(); 106 } 107 } 108 109 @Override 110 public boolean equals(Object o) { 111 // Check that the id matches 112 Task t = (Task) o; 113 return key.equals(t.key); 114 } 115 116 @Override 117 public String toString() { 118 return "Task: " + key.baseIntent.getComponent().getPackageName() + " [" + super.toString() + "]"; 119 } 120} 121