car_product/car_ui_portrait/apps/CarUiPortraitSystemUI/src/com/android/systemui/car/systembar/CarUiPortraitButtonSelectionStateListener.java

/*
 * Copyright (C) 2022 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.car.systembar;

import static android.view.Display.DEFAULT_DISPLAY;

import static com.android.systemui.car.displayarea.DisplayAreaComponent.DISPLAY_AREA_VISIBILITY_CHANGED;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;

import androidx.localbroadcastmanager.content.LocalBroadcastManager;

import com.android.systemui.car.displayarea.CarDisplayAreaController;

class CarUiPortraitButtonSelectionStateListener extends ButtonSelectionStateListener {

    private final CarDisplayAreaController mDisplayAreaController;

    CarUiPortraitButtonSelectionStateListener(Context context,
            ButtonSelectionStateController carSystemButtonController,
            CarDisplayAreaController displayAreaController) {
        super(carSystemButtonController);
        mDisplayAreaController = displayAreaController;

        BroadcastReceiver displayAreaVisibilityReceiver = new BroadcastReceiver() {
            @Override
            public void onReceive(Context context, Intent intent) {
                onTaskStackChanged();
            }
        };
        LocalBroadcastManager.getInstance(context).registerReceiver(displayAreaVisibilityReceiver,
                new IntentFilter(DISPLAY_AREA_VISIBILITY_CHANGED));
    }

    @Override
    public void onTaskStackChanged() {
        if (!mDisplayAreaController.isHostingDefaultApplicationDisplayAreaVisible()) {
            mButtonSelectionStateController.clearAllSelectedButtons(DEFAULT_DISPLAY);
            return;
        }
        super.onTaskStackChanged();
    }
}