/*
 * Copyright (c) 2022 New Vector Ltd
 *
 * 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 io.element.android.libraries.matrix.impl.util

import kotlinx.coroutines.channels.ProducerScope
import kotlinx.coroutines.channels.awaitClose
import kotlinx.coroutines.flow.callbackFlow
import org.matrix.rustcomponents.sdk.TaskHandle

internal fun <T> mxCallbackFlow(block: suspend ProducerScope<T>.() -> TaskHandle?) =
    callbackFlow {
        val taskHandle: TaskHandle? = block(this)
        awaitClose {
            taskHandle?.cancelAndDestroy()
        }
    }
