/*
 * Copyright (C) 2020 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 android.frameworks.cameraservice.service@2.1;

import android.frameworks.cameraservice.common@2.0::Status;
import android.frameworks.cameraservice.service@2.0::ICameraService;
import android.frameworks.cameraservice.service@2.1::CameraStatusAndId;
import android.frameworks.cameraservice.service@2.1::ICameraServiceListener;
import android.frameworks.cameraservice.service@2.1::PhysicalCameraStatusAndId;

interface ICameraService extends @2.0::ICameraService {
    /**
     * Add listener for changes to camera device status.
     *
     * Identical to @2.0::ICameraService.addListener, except that:
     *
     * - The listener now contains an onPhysicalCameraStatusChanged function,
     * which is called by the camera service when a physical camera backing a
     * logical multi-camera becomes unavailable or available again.
     * - The function returns a vector of the newer version of CameraStatusAndId
     * which contains unavailable physical cameras if the specified camera is a
     * logical multi-camera.
     *
     * @param listener the listener interface to be added. The cameraserver will
     *         call callbacks on this interface when a camera device's status
     *         changes.
     * @return status Status code of the operation
     * @return statuses a list of CameraStatusAndIds which stores the deviceIds,
     *         their corresponding statuses, and the unavailable physical camera Ids
     *         if the device is a logical multi-camera.
     */
    addListener_2_1(ICameraServiceListener listener)
        generates (Status status, vec<CameraStatusAndId> statuses);
};