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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.systemui.recents.model;
import android.content.ComponentName;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import com.android.systemui.recents.misc.Utilities;
import java.util.Objects;
/**
* A task represents the top most task in the system's task stack.
*/
public class Task {
/* Task callbacks */
public interface TaskCallbacks {
/* Notifies when a task has been bound */
public void onTaskDataLoaded();
/* Notifies when a task has been unbound */
public void onTaskDataUnloaded();
/* Notifies when a task's stack id has changed. */
public void onMultiStackDebugTaskStackIdChanged();
}
/** The ComponentNameKey represents the unique primary key for a component
* belonging to a specified user. */
public static class ComponentNameKey {
final ComponentName component;
final int userId;
public ComponentNameKey(ComponentName cn, int user) {
component = cn;
userId = user;
}
@Override
public int hashCode() {
return Objects.hash(component, userId);
}
@Override
public boolean equals(Object o) {
if (!(o instanceof ComponentNameKey)) {
return false;
}
return component.equals(((ComponentNameKey) o).component) &&
userId == ((ComponentNameKey) o).userId;
}
}
/* The Task Key represents the unique primary key for the task */
public static class TaskKey {
final ComponentNameKey mComponentNameKey;
public final int id;
public int stackId;
public final Intent baseIntent;
public final int userId;
public long firstActiveTime;
public long lastActiveTime;
public TaskKey(int id, int stackId, Intent intent, int userId, long firstActiveTime,
long lastActiveTime) {
mComponentNameKey = new ComponentNameKey(intent.getComponent(), userId);
this.id = id;
this.stackId = stackId;
this.baseIntent = intent;
this.userId = userId;
this.firstActiveTime = firstActiveTime;
this.lastActiveTime = lastActiveTime;
}
/** Returns the component name key for this task. */
public ComponentNameKey getComponentNameKey() {
return mComponentNameKey;
}
@Override
public boolean equals(Object o) {
if (!(o instanceof TaskKey)) {
return false;
}
TaskKey otherKey = (TaskKey) o;
return id == otherKey.id && stackId == otherKey.stackId && userId == otherKey.userId;
}
@Override
public int hashCode() {
return Objects.hash(id, stackId, userId);
}
@Override
public String toString() {
return "Task.Key: " + id + ", "
+ "s: " + stackId + ", "
+ "u: " + userId + ", "
+ "lat: " + lastActiveTime + ", "
+ baseIntent.getComponent().getPackageName();
}
}
public TaskKey key;
public TaskGrouping group;
public int taskAffiliation;
public int taskAffiliationColor;
public boolean isLaunchTarget;
public Drawable applicationIcon;
public Drawable activityIcon;
public String contentDescription;
public String activityLabel;
public int colorPrimary;
public boolean useLightOnPrimaryColor;
public Bitmap thumbnail;
public boolean isActive;
public boolean lockToThisTask;
public boolean lockToTaskEnabled;
public Bitmap icon;
public String iconFilename;
TaskCallbacks mCb;
public Task() {
// Do nothing
}
public Task(TaskKey key, boolean isActive, int taskAffiliation, int taskAffiliationColor,
String activityTitle, String contentDescription, Drawable activityIcon,
int colorPrimary, boolean lockToThisTask, boolean lockToTaskEnabled, Bitmap icon,
String iconFilename) {
boolean isInAffiliationGroup = (taskAffiliation != key.id);
boolean hasAffiliationGroupColor = isInAffiliationGroup && (taskAffiliationColor != 0);
this.key = key;
this.taskAffiliation = taskAffiliation;
this.taskAffiliationColor = taskAffiliationColor;
this.activityLabel = activityTitle;
this.contentDescription = contentDescription;
this.activityIcon = activityIcon;
this.colorPrimary = hasAffiliationGroupColor ? taskAffiliationColor : colorPrimary;
this.useLightOnPrimaryColor = Utilities.computeContrastBetweenColors(this.colorPrimary,
Color.WHITE) > 3f;
this.isActive = isActive;
this.lockToThisTask = lockToTaskEnabled && lockToThisTask;
this.lockToTaskEnabled = lockToTaskEnabled;
this.icon = icon;
this.iconFilename = iconFilename;
}
/** Copies the other task. */
public void copyFrom(Task o) {
this.key = o.key;
this.taskAffiliation = o.taskAffiliation;
this.taskAffiliationColor = o.taskAffiliationColor;
this.activityLabel = o.activityLabel;
this.contentDescription = o.contentDescription;
this.activityIcon = o.activityIcon;
this.colorPrimary = o.colorPrimary;
this.useLightOnPrimaryColor = o.useLightOnPrimaryColor;
this.isActive = o.isActive;
this.lockToThisTask = o.lockToThisTask;
this.lockToTaskEnabled = o.lockToTaskEnabled;
}
/** Set the callbacks */
public void setCallbacks(TaskCallbacks cb) {
mCb = cb;
}
/** Set the grouping */
public void setGroup(TaskGrouping group) {
if (group != null && this.group != null) {
throw new RuntimeException("This task is already assigned to a group.");
}
this.group = group;
}
/** Updates the stack id of this task. */
public void setStackId(int stackId) {
key.stackId = stackId;
if (mCb != null) {
mCb.onMultiStackDebugTaskStackIdChanged();
}
}
/** Notifies the callback listeners that this task has been loaded */
public void notifyTaskDataLoaded(Bitmap thumbnail, Drawable applicationIcon) {
this.applicationIcon = applicationIcon;
this.thumbnail = thumbnail;
if (mCb != null) {
mCb.onTaskDataLoaded();
}
}
/** Notifies the callback listeners that this task has been unloaded */
public void notifyTaskDataUnloaded(Bitmap defaultThumbnail, Drawable defaultApplicationIcon) {
applicationIcon = defaultApplicationIcon;
thumbnail = defaultThumbnail;
if (mCb != null) {
mCb.onTaskDataUnloaded();
}
}
@Override
public boolean equals(Object o) {
// Check that the id matches
Task t = (Task) o;
return key.equals(t.key);
}
@Override
public String toString() {
String groupAffiliation = "no group";
if (group != null) {
groupAffiliation = Integer.toString(group.affiliation);
}
return "Task (" + groupAffiliation + "): " + key.baseIntent.getComponent().getPackageName() +
" [" + super.toString() + "]";
}
}
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