lawnchair/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java

/*
 * Copyright (C) 2021 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.launcher3.taskbar;

import androidx.annotation.NonNull;

import com.android.launcher3.taskbar.contextual.RotationButtonController;

/**
 * Hosts various taskbar controllers to facilitate passing between one another.
 */
public class TaskbarControllers {

    public final TaskbarActivityContext taskbarActivityContext;
    public final TaskbarDragController taskbarDragController;
    public final TaskbarNavButtonController navButtonController;
    public final NavbarButtonsViewController navbarButtonsViewController;
    public final RotationButtonController rotationButtonController;
    public final TaskbarDragLayerController taskbarDragLayerController;
    public final TaskbarViewController taskbarViewController;
    public final TaskbarKeyguardController taskbarKeyguardController;

    /** Do not store this controller, as it may change at runtime. */
    @NonNull public TaskbarUIController uiController = TaskbarUIController.DEFAULT;

    public TaskbarControllers(TaskbarActivityContext taskbarActivityContext,
            TaskbarDragController taskbarDragController,
            TaskbarNavButtonController navButtonController,
            NavbarButtonsViewController navbarButtonsViewController,
            RotationButtonController rotationButtonController,
            TaskbarDragLayerController taskbarDragLayerController,
            TaskbarViewController taskbarViewController,
            TaskbarKeyguardController taskbarKeyguardController) {
        this.taskbarActivityContext = taskbarActivityContext;
        this.taskbarDragController = taskbarDragController;
        this.navButtonController = navButtonController;
        this.navbarButtonsViewController = navbarButtonsViewController;
        this.rotationButtonController = rotationButtonController;
        this.taskbarDragLayerController = taskbarDragLayerController;
        this.taskbarViewController = taskbarViewController;
        this.taskbarKeyguardController = taskbarKeyguardController;
    }

    /**
     * Initializes all controllers. Note that controllers can now reference each other through this
     * TaskbarControllers instance, but should be careful to only access things that were created
     * in constructors for now, as some controllers may still be waiting for init().
     */
    public void init() {
        navbarButtonsViewController.init(this);
        if (taskbarActivityContext.canShowNavButtons()) {
            rotationButtonController.init();
        }
        taskbarDragLayerController.init(this);
        taskbarViewController.init(this);
        taskbarKeyguardController.init(navbarButtonsViewController);
    }

    /**
     * Cleans up all controllers.
     */
    public void onDestroy() {
        uiController.onDestroy();
        rotationButtonController.onDestroy();
        taskbarDragLayerController.onDestroy();
        taskbarKeyguardController.onDestroy();
    }
}