media/MediaBrowserService/Application/src/main/java/com/example/android/mediabrowserservice/utils/CarHelper.java

/*
 * 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.example.android.mediabrowserservice.utils;

import android.os.Bundle;

public class CarHelper {
    private static final String AUTO_APP_PACKAGE_NAME = "com.google.android.projection.gearhead";

    // Use these extras to reserve space for the corresponding actions, even when they are disabled
    // in the playbackstate, so the custom actions don't reflow.
    private static final String SLOT_RESERVATION_SKIP_TO_NEXT =
            "com.google.android.gms.car.media.ALWAYS_RESERVE_SPACE_FOR.ACTION_SKIP_TO_NEXT";
    private static final String SLOT_RESERVATION_SKIP_TO_PREV =
            "com.google.android.gms.car.media.ALWAYS_RESERVE_SPACE_FOR.ACTION_SKIP_TO_PREVIOUS";
    private static final String SLOT_RESERVATION_QUEUE =
            "com.google.android.gms.car.media.ALWAYS_RESERVE_SPACE_FOR.ACTION_QUEUE";


    public static boolean isValidCarPackage(String packageName) {
        return AUTO_APP_PACKAGE_NAME.equals(packageName);
    }

    public static void setSlotReservationFlags(Bundle extras, boolean reservePlayingQueueSlot,
          boolean reserveSkipToNextSlot, boolean reserveSkipToPrevSlot) {
        if (reservePlayingQueueSlot) {
            extras.putBoolean(SLOT_RESERVATION_QUEUE, true);
        } else {
            extras.remove(SLOT_RESERVATION_QUEUE);
        }
        if (reserveSkipToPrevSlot) {
            extras.putBoolean(SLOT_RESERVATION_SKIP_TO_PREV, true);
        } else {
            extras.remove(SLOT_RESERVATION_SKIP_TO_PREV);
        }
        if (reserveSkipToNextSlot) {
            extras.putBoolean(SLOT_RESERVATION_SKIP_TO_NEXT, true);
        } else {
            extras.remove(SLOT_RESERVATION_SKIP_TO_NEXT);
        }
    }
}