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 17 package com.android.systemui.recents.model; 18 19 import android.content.ComponentName; 20 import android.content.Intent; 21 import android.graphics.Bitmap; 22 import android.graphics.Color; 23 import android.graphics.drawable.Drawable; 24 import com.android.systemui.recents.misc.Utilities; 25 26 import java.util.Objects; 27 28 29 /** 30 * A task represents the top most task in the system's task stack. 31 */ 32 public class Task { 33 /* Task callbacks */ 34 public interface TaskCallbacks { 35 /* Notifies when a task has been bound */ 36 public void onTaskDataLoaded(); 37 /* Notifies when a task has been unbound */ 38 public void onTaskDataUnloaded(); 39 } 40 41 /** The ComponentNameKey represents the unique primary key for a component 42 * belonging to a specified user. */ 43 public static class ComponentNameKey { 44 final ComponentName component; 45 final int userId; 46 47 public ComponentNameKey(ComponentName cn, int user) { 48 component = cn; 49 userId = user; 50 } 51 52 @Override 53 public int hashCode() { 54 return Objects.hash(component, userId); 55 } 56 57 @Override 58 public boolean equals(Object o) { 59 if (!(o instanceof ComponentNameKey)) { 60 return false; 61 } 62 return component.equals(((ComponentNameKey) o).component) && 63 userId == ((ComponentNameKey) o).userId; 64 } 65 } 66 67 /* The Task Key represents the unique primary key for the task */ 68 public static class TaskKey { 69 final ComponentNameKey mComponentNameKey; 70 public final int id; 71 public final Intent baseIntent; 72 public final int userId; 73 public long firstActiveTime; 74 public long lastActiveTime; 75 76 public TaskKey(int id, Intent intent, int userId, long firstActiveTime, long lastActiveTime) { 77 mComponentNameKey = new ComponentNameKey(intent.getComponent(), userId); 78 this.id = id; 79 this.baseIntent = intent; 80 this.userId = userId; 81 this.firstActiveTime = firstActiveTime; 82 this.lastActiveTime = lastActiveTime; 83 } 84 85 /** Returns the component name key for this task. */ 86 public ComponentNameKey getComponentNameKey() { 87 return mComponentNameKey; 88 } 89 90 @Override 91 public boolean equals(Object o) { 92 if (!(o instanceof TaskKey)) { 93 return false; 94 } 95 return id == ((TaskKey) o).id 96 && userId == ((TaskKey) o).userId; 97 } 98 99 @Override 100 public int hashCode() { 101 return (id << 5) + userId; 102 } 103 104 @Override 105 public String toString() { 106 return "Task.Key: " + id + ", " 107 + "u: " + userId + ", " 108 + "lat: " + lastActiveTime + ", " 109 + baseIntent.getComponent().getPackageName(); 110 } 111 } 112 113 public TaskKey key; 114 public TaskGrouping group; 115 public int taskAffiliation; 116 public int taskAffiliationColor; 117 public boolean isLaunchTarget; 118 public Drawable applicationIcon; 119 public Drawable activityIcon; 120 public String activityLabel; 121 public int colorPrimary; 122 public boolean useLightOnPrimaryColor; 123 public Bitmap thumbnail; 124 public boolean isActive; 125 public boolean lockToThisTask; 126 public boolean lockToTaskEnabled; 127 public Bitmap icon; 128 public String iconFilename; 129 TaskCallbacks mCb; 130 131 public Task() { 132 // Do nothing 133 } 134 135 public Task(TaskKey key, boolean isActive, int taskAffiliation, int taskAffiliationColor, 136 String activityTitle, Drawable activityIcon, int colorPrimary, 137 boolean lockToThisTask, boolean lockToTaskEnabled, Bitmap icon, 138 String iconFilename) { 139 boolean isInAffiliationGroup = (taskAffiliation != key.id); 140 boolean hasAffiliationGroupColor = isInAffiliationGroup && (taskAffiliationColor != 0); 141 this.key = key; 142 this.taskAffiliation = taskAffiliation; 143 this.taskAffiliationColor = taskAffiliationColor; 144 this.activityLabel = activityTitle; 145 this.activityIcon = activityIcon; 146 this.colorPrimary = hasAffiliationGroupColor ? taskAffiliationColor : colorPrimary; 147 this.useLightOnPrimaryColor = Utilities.computeContrastBetweenColors(this.colorPrimary, 148 Color.WHITE) > 3f; 149 this.isActive = isActive; 150 this.lockToThisTask = lockToTaskEnabled && lockToThisTask; 151 this.lockToTaskEnabled = lockToTaskEnabled; 152 this.icon = icon; 153 this.iconFilename = iconFilename; 154 } 155 156 /** Copies the other task. */ 157 public void copyFrom(Task o) { 158 this.key = o.key; 159 this.taskAffiliation = o.taskAffiliation; 160 this.taskAffiliationColor = o.taskAffiliationColor; 161 this.activityLabel = o.activityLabel; 162 this.activityIcon = o.activityIcon; 163 this.colorPrimary = o.colorPrimary; 164 this.useLightOnPrimaryColor = o.useLightOnPrimaryColor; 165 this.isActive = o.isActive; 166 this.lockToThisTask = o.lockToThisTask; 167 this.lockToTaskEnabled = o.lockToTaskEnabled; 168 } 169 170 /** Set the callbacks */ 171 public void setCallbacks(TaskCallbacks cb) { 172 mCb = cb; 173 } 174 175 /** Set the grouping */ 176 public void setGroup(TaskGrouping group) { 177 if (group != null && this.group != null) { 178 throw new RuntimeException("This task is already assigned to a group."); 179 } 180 this.group = group; 181 } 182 183 /** Notifies the callback listeners that this task has been loaded */ 184 public void notifyTaskDataLoaded(Bitmap thumbnail, Drawable applicationIcon) { 185 this.applicationIcon = applicationIcon; 186 this.thumbnail = thumbnail; 187 if (mCb != null) { 188 mCb.onTaskDataLoaded(); 189 } 190 } 191 192 /** Notifies the callback listeners that this task has been unloaded */ 193 public void notifyTaskDataUnloaded(Bitmap defaultThumbnail, Drawable defaultApplicationIcon) { 194 applicationIcon = defaultApplicationIcon; 195 thumbnail = defaultThumbnail; 196 if (mCb != null) { 197 mCb.onTaskDataUnloaded(); 198 } 199 } 200 201 @Override 202 public boolean equals(Object o) { 203 // Check that the id matches 204 Task t = (Task) o; 205 return key.equals(t.key); 206 } 207 208 @Override 209 public String toString() { 210 String groupAffiliation = "no group"; 211 if (group != null) { 212 groupAffiliation = Integer.toString(group.affiliation); 213 } 214 return "Task (" + groupAffiliation + "): " + key.baseIntent.getComponent().getPackageName() + 215 " [" + super.toString() + "]"; 216 } 217 } 218
