/*
 * Copyright (C) 2024 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.car.systeminterface;

import android.car.builtin.view.DisplayHelper;
import android.view.Display;

/**
 * An interface to wrap {@link DisplayHelper} methods.
 *
 * This allows faking the implementation for tests.
 */
public interface DisplayHelperInterface {
    /**
     * @return the physical port number of the display, or {@code INVALID_PORT} if the display isn't
     *         the physical one.
     */
    int getPhysicalPort(Display display);

    /**
     * @return the uniqueId of the given display.
     */
    String getUniqueId(Display display);

    /**
     * Gets the display type.
     */
    int getType(Display display);

    /**
     * A real implementation.
     */
    final class DefaultImpl implements DisplayHelperInterface {
        @Override
        public int getPhysicalPort(Display display) {
            return DisplayHelper.getPhysicalPort(display);
        }

        @Override
        public String getUniqueId(Display display) {
            return DisplayHelper.getUniqueId(display);
        }

        @Override
        public int getType(Display display) {
            return DisplayHelper.getType(display);
        }
    }
}