74 lines
2.3 KiB
Kotlin
74 lines
2.3 KiB
Kotlin
package it.vfsfitvnm.route
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import androidx.activity.compose.BackHandler
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import androidx.activity.compose.LocalOnBackPressedDispatcherOwner
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import androidx.compose.animation.AnimatedContent
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import androidx.compose.animation.AnimatedContentScope
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import androidx.compose.animation.ContentTransform
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import androidx.compose.animation.ExperimentalAnimationApi
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import androidx.compose.animation.core.updateTransition
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import androidx.compose.runtime.*
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import androidx.compose.ui.Modifier
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@ExperimentalAnimationApi
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@Composable
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fun RouteHandler(
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modifier: Modifier = Modifier,
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listenToGlobalEmitter: Boolean = false,
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handleBackPress: Boolean = true,
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transitionSpec: AnimatedContentScope<RouteHandlerScope>.() -> ContentTransform = { fastFade },
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content: @Composable RouteHandlerScope.() -> Unit
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) {
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var route by rememberRoute()
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RouteHandler(
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route = route,
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onRouteChanged = { route = it },
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listenToGlobalEmitter = listenToGlobalEmitter,
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handleBackPress = handleBackPress,
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transitionSpec = transitionSpec,
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modifier = modifier,
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content = content
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)
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}
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@ExperimentalAnimationApi
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@Composable
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fun RouteHandler(
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route: Route?,
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onRouteChanged: (Route?) -> Unit,
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modifier: Modifier = Modifier,
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listenToGlobalEmitter: Boolean = false,
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handleBackPress: Boolean = true,
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transitionSpec: AnimatedContentScope<RouteHandlerScope>.() -> ContentTransform = { fastFade },
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content: @Composable RouteHandlerScope.() -> Unit
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) {
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val backDispatcher = LocalOnBackPressedDispatcherOwner.current?.onBackPressedDispatcher
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val scope = remember(route) {
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RouteHandlerScope(
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route = route,
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push = onRouteChanged,
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pop = { if (handleBackPress) backDispatcher?.onBackPressed() else onRouteChanged(null) }
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)
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}
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if (listenToGlobalEmitter) {
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LaunchedEffect(route) {
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Route.GlobalEmitter.listener = if (route == null) onRouteChanged else null
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}
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}
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BackHandler(enabled = handleBackPress && route != null) {
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onRouteChanged(null)
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}
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updateTransition(targetState = scope, label = null).AnimatedContent(
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transitionSpec = transitionSpec,
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contentKey = { it.route?.tag },
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modifier = modifier,
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) {
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it.content()
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}
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}
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