appleMain.org.brightify.hyperdrive.Dispatcher.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of runtime Show documentation

Hyperdrive implementation that's needed for observations and such

There is a newer version: 0.1.159

package org.brightify.hyperdrive

import kotlinx.coroutines.*
import platform.darwin.*
import kotlin.coroutines.CoroutineContext

@OptIn(InternalCoroutinesApi::class)
internal actual fun dispatcher(): CoroutineDispatcher = UI

@InternalCoroutinesApi
private object UI: CoroutineDispatcher(), Delay {
    override fun dispatch(context: CoroutineContext, block: Runnable) {
        val queue = dispatch_get_main_queue()
        dispatch_async(queue) {
            block.run()
        }
    }

    @OptIn(ExperimentalCoroutinesApi::class)
    override fun scheduleResumeAfterDelay(
        timeMillis: Long,
        continuation: CancellableContinuation
    ) {
        val queue = dispatch_get_main_queue()

        val time = dispatch_time(DISPATCH_TIME_NOW, (timeMillis * NSEC_PER_MSEC.toLong()))
        dispatch_after(time, queue) {
            with(continuation) {
                resumeUndispatched(Unit)
            }
        }
    }
}