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/*
* Copyright (C) 2019 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.quickstep;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView.ViewHolder;
import com.android.quickstep.views.TaskItemView;
import com.android.systemui.shared.recents.model.Task;
import java.util.Optional;
/**
* A recycler view holder that holds the task view and binds {@link Task} content (app title, icon,
* etc.) to the view.
*/
public final class TaskHolder extends ViewHolder {
private final TaskItemView mTaskItemView;
private Task mTask;
public TaskHolder(TaskItemView itemView) {
super(itemView);
mTaskItemView = itemView;
}
public TaskItemView getTaskItemView() {
return mTaskItemView;
}
/**
* Bind the task model to the holder. This will take the current task content in the task
* object (i.e. icon, thumbnail, label) and either apply the content immediately or simply bind
* the content to animate to at a later time. If the task does not have all its content loaded,
* the view will prepare appropriate default placeholders and it is the callers responsibility
* to change them at a later time.
*
* Regardless of whether it is animating, input handlers will be bound immediately (see
* {@link TaskActionController}).
*
* @param task the task to bind to the view
* @param willAnimate true if UI should animate in later, false if it should apply immediately
*/
public void bindTask(@NonNull Task task, boolean willAnimate) {
mTask = task;
if (willAnimate) {
mTaskItemView.startContentAnimation(task.icon, task.thumbnail, task.titleDescription);
} else {
mTaskItemView.setIcon(task.icon);
mTaskItemView.setThumbnail(task.thumbnail);
mTaskItemView.setLabel(task.titleDescription);
}
}
/**
* Bind a generic empty UI to the holder to make it clear that the item is loading/unbound and
* should not be expected to react to user input.
*/
public void bindEmptyUi() {
mTask = null;
mTaskItemView.resetToEmptyUi();
}
/**
* Gets the task currently bound to this view. May be null if task holder is in a loading state.
*
* @return the current task
*/
public Optional<Task> getTask() {
return Optional.ofNullable(mTask);
}
}
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