CameraViewfinderExt.kt

/*
 * Copyright 2023 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 androidx.camera.viewfinder

import android.view.Surface
import androidx.annotation.RequiresApi
import androidx.concurrent.futures.await

/**
 * Provides a suspending function of [CameraViewfinder.requestSurfaceAsync] to request
 * a [Surface] by sending a [ViewfinderSurfaceRequest].
 */
@RequiresApi(21) // TODO(b/200306659): Remove and replace with annotation on package-info.java
object CameraViewfinderExt {
    suspend fun CameraViewfinder.requestSurface(
        viewfinderSurfaceRequest: ViewfinderSurfaceRequest
    ): Surface = requestSurfaceAsync(viewfinderSurfaceRequest).await()
}