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Nodes: rework RootFlowNode with cache service

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This commit is contained in:
ganfra 2023-07-06 18:08:29 +02:00
parent 4612da16d5
commit fc7bdafbcb
6 changed files with 90 additions and 52 deletions
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23
libraries/architecture/src/main/kotlin/io/element/android/libraries/architecture/ParentNodeExt.kt
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@ -16,12 +16,35 @@
package io.element.android.libraries.architecture
import androidx.lifecycle.lifecycleScope
import com.bumble.appyx.core.children.nodeOrNull
import com.bumble.appyx.core.node.Node
import com.bumble.appyx.core.node.ParentNode
import kotlinx.coroutines.launch
import kotlinx.coroutines.suspendCancellableCoroutine
import kotlin.coroutines.resume
fun <NavTarget : Any> ParentNode<NavTarget>.childNode(navTarget: NavTarget): Node? {
val childMap = children.value
val key = childMap.keys.find { it.navTarget == navTarget }
return childMap[key]?.nodeOrNull
}
suspend inline fun <reified N : Node, NavTarget : Any> ParentNode<NavTarget>.waitForChildAttached(crossinline predicate: (NavTarget) -> Boolean): N =
suspendCancellableCoroutine { continuation ->
lifecycleScope.launch {
children.collect { childMap ->
val expectedChildNode = childMap.entries
.map { it.key.navTarget }
.lastOrNull(predicate)
?.let {
childNode(it) as? N
}
if (expectedChildNode != null && !continuation.isCompleted) {
continuation.resume(expectedChildNode)
}
}
}.invokeOnCompletion {
continuation.cancel()
}
}